Patent Description:
A sealant material is commonly used to fill gaps and seal interior corners of a joint formed by two abutting surfaces, for example, where moisture or other contaminants would penetrate and cause deterioration. In certain applications, a first bead of the sealant material is applied along the corner joint and a subsequent second bead of the sealant material is applied along the corner joint over the first bead. Conventionally, two different sealant applicators are required to perform these steps. For example, a first sealant applicator, configured for the dimensions of the first bead, is used to form the first bead. The first sealant applicator must then be replaced by a second sealant applicator, configured for the dimensions of the second bead, which is then used to form the second bead. The need to switch between two different sealant applicators increases manufacturing lead time and cost.

<CIT>, in accordance with its abstract, describes a nozzle for a cartridge of an applicator gun comprising a profiling surface, suitably flat or convex, extending around the periphery of a nozzle outlet. The profiling surface can apply a profile to an outer surface of material being extruded from the nozzle outlet. Preferably, the profiling surface is provided by an elongate guide having beveled guide surfaces that can slide over adjoining vertical and horizontal surfaces typically forming a corner whose joint is to be sealed or filled; an extruded bead may be confined to a triangular cross-section around the joint. The guide may be perpendicularly or obliquely transverse to a longitudinal axis of the cartridge.

<CIT>, in accordance with its abstract, describes a nozzle that has a trapezoidal outlet. The nozzle may be attached via a circular profiled inlet, to an existing conical nozzle of a sealant gun. The nozzle may be provided with breakable lines of weakness, such that and initial size of trapezoidal outlet may be chosen by a user. Also disclosed is a nozzle with outlet first and second sides of dissimilar length.

<CIT>, in accordance with its abstract, describes a spatula, comprising a spatula neck and a distributing surface, which is slanted in relation thereto and which extends up to a smoothing edge, whereby one side of the spatula neck is provided with a hand pump connection, with which a spatula discharge of a hand pump is detachably connected to a spatula channel inside the spatula neck. The spatula channel leads into a widening distributing space, which terminates in a slot-like discharge on the distributing surface.

<CIT>, in accordance with its abstract, describes an applicator nozzle, which has suitable stabilizing surfaces arranged to ensure a stable and consistent angle and height of a dispensing end of the applicator nozzle relative to a seam between two substantially perpendicular surfaces. The stabilizing surfaces are provided separate from a dispending head so that fluid material is not disturbed thereby, and a more stable design is achieved.

<CIT>, in accordance with its abstract, describes a nozzle for a sealant cartridge comprising an elongate tube of circular cross section having a principle axis coinciding with its length. The tube has an inlet end having attachment means configured to mate with a sealant cartridge, At an outlet end remote from the inlet there is an end face comprising an outlet, which when viewed perpendicular or substantially perpendicular to the principle axis has two sides equating to two sides of an equilateral triangle with a third straight side or a third concave side. The end face is perpendicular to or angled at an angle greater than <NUM>° to the principle axis.

In <CIT>, there is described, according to a machine translation of its description, a nozzle for a spray gun, in particular for joint materials intended for filling structural body joints, with a non-round outlet opening. The outlet of the nozzle of the spray gun is made approximately in the shape of an egg or drop and there is a foot, a pad or the like of flexible material, which is wider than the widest part of the outlet orifice. <CIT> states, according to its abstract, a nozzle attachable to a reservoir of flowable viscous material for dispensing said material to a work zone, said nozzle comprising an elongate barrel including: an inlet base having a wide opening, said inlet base attachable to an outlet of said reservoir; a tapered end portion having a narrow outlet at the end of said nozzle remote from said inlet base; and a movable structure extending wholly or partially circumferentially around said barrel and interposed between said inlet base and said end portion, wherein said movable structure enables the end portion to change angle relative to said base inlet to enable said nozzle to extend around corners without interrupting the flow of said material, said movable structure holding a set but temporary position of said end portion relative to said inlet base. <CIT> states, according to its abstract, the exemplary illustrations relate to an applicator for applying a coating to a component, for example for applying a sealing compound to an edge-raised seam on a rear side of a motor vehicle body component through a gap between two overlapping motor vehicle body components, with a nozzle for dispensing the coating means onto the rear side of the component and with an elongated curved nozzle carrier in order to position the nozzle on the rear side of the component to be coated, starting from the front side of the component to be coated. It is proposed that the nozzle carrier be curved a plurality of times such that the applicator can be guided through the gap. <CIT>states, according to a machine translation of its abstract, a sealant spear, comprising a first connector, a movable elbow, a second connector, a conical glue gun nozzle and a doctor blade, wherein the first connector is connected with a glue storage cylinder; the second connector is connected with the glue gun nozzle; the doctor blade is fixed on the glue gun nozzle; one end of the movable elbow is connected with a glue outlet on the glue storage cylinder through the first connector; the other end of the movable elbow is connected with a glue inlet of the glue gun nozzle through a second connector; the overall novel sealant spear forms a sealed pipeline, so that the glue is discharged from the glue outlet of the glue storage cylinder along the glue spear, discharged from the glue outlet of the glue spear, and attached to the to-be-glued part; the doctor blade naturally floats the glue when moving along with the glue gun nozzle.

Accordingly, apparatuses and methods, intended to address at least the above-identified concerns, would find utility.

The following is a non-exhaustive list of examples, which may or may not be claimed, of the subject matter according to the invention which is defined by the appended claims, to which this application relates.

One example of the subject matter according to the invention relates to a sealant-applicator tip. The sealant-applicator tip comprises a body, having a plane of symmetry. The body comprises an inlet opening and a medial axis comprising at least one inflection point. The sealant-applicator tip also comprises a head, extending from the body opposite the inlet opening. The head comprises a first planar face, comprising a first linear edge. The head also comprises a second planar face, oriented at a first non-zero angle to the first planar face and comprising a second linear edge. The first linear edge of first planar face and the second linear edge of the second planar face lie in a virtual flat plane. The head further comprises a third face, separating the first planar face from the second planar face. The third face comprises a third edge. The third edge lies in the virtual flat plane. The head additionally comprises a fourth face, comprising a fourth edge. The head also comprises a fifth edge, shared by the first planar face and the fourth face. The head further comprises a sixth edge, shared by the second planar face and the fourth face. The head also comprises a seventh edge, shared by the third face and the fourth face. The head further comprises an eighth edge shared between the first planar face and the third face. The head additionally comprises an outlet opening, formed in the third face. The outlet opening is in communication with the inlet opening of the body. The sealant-applicator tip also comprises a channel, extending from the inlet opening to the outlet opening. The at least one inflection point is a transition point between a concave portion and a convex portion of a line or segment of the medial axis of the body.

The sealant-applicator tip may be used to form a first bead of sealant material when the sealant-applicator tip is moved in a first direction along a corner joint. The sealant-applicator tip may also be used to form a second bead of the sealant material when the sealant-applicator tip is moved in a second direction along the corner joint. The second direction is opposite the first direction. The second bead of the sealant material covers the first bead of the sealant material. The first bead of the sealant material and the second bead of the sealant
material form a fillet seal between a first planar surface and a second planar surface forming the corner joint. Accordingly, use of the sealant-applicator tip provides for formation of the first
bead of the sealant material followed by a subsequent formation of the second bead of the sealant material, covering the first bead of the sealant material, without removing the sealant-applicator tip from the corner joint or changing between different kinds of sealant application tips.

Another example of the subject matter according to the invention relates to a method of applying a sealant material to a corner joint, formed by a first planar surface and a second planar surface. The method comprises positioning the sealant-applicator tip according to the preceding examples relative to the corner joint, such that the first planar face of the sealant-applicator tip is in flush surface contact with and parallel to one of the first planar surface or the second planar surface and the second planar face of the sealant-applicator tip is in flush contact with and parallel to another one of the first planar surface or the second planar surface. The method also comprises advancing the sealant-applicator tip in a first direction along the corner joint while supplying the sealant material to the corner joint through the channel of the sealant-applicator tip and shaping the sealant material, supplied to the corner joint, with the seventh edge of the sealant-applicator tip to form a first bead of the sealant material.

The sealant material may accordingly be accurately applied to the corner joint to form the first bead resulting from one continuous linear movement of the sealant-applicator tip along the corner joint in the first direction.

Having thus described one or more examples of the invention in general terms, reference will now be made to the accompanying drawings, which are not necessarily drawn to scale, and wherein like reference characters designate the same or similar parts throughout the several views, and wherein:.

In <FIG>, referred to above, solid lines, if any, connecting various elements and/or components may represent mechanical, electrical, fluid, optical, electromagnetic and other couplings and/or combinations thereof. As used herein, "coupled" means associated directly as well as indirectly. For example, a member A may be directly associated with a member B, or may be indirectly associated therewith, e.g., via another member C. It will be understood that not all relationships among the various disclosed elements are necessarily represented. Accordingly, couplings other than those depicted in the block diagrams may also exist. Dashed lines, if any, connecting blocks designating the various elements and/or components represent couplings similar in function and purpose to those represented by solid lines; however, couplings represented by the dashed lines may either be selectively provided or may relate to alternative examples of the present disclosure. Likewise, elements and/or components, if any, represented with dashed lines, indicate alternative examples of the present disclosure. One or more elements shown in solid and/or dashed lines may be omitted from a particular example without departing from the scope of the present disclosure. Environmental elements, if any, are represented with dotted lines. Virtual (imaginary) elements may also be shown for clarity. Those skilled in the art will appreciate that some of the features illustrated in <FIG> may be combined in various ways without the need to include other features described in <FIG>, other drawing figures, and/or the accompanying disclosure, even though such combination or combinations are not explicitly illustrated herein. Similarly, additional features not limited to the examples presented, may be combined with some or all of the features shown and described herein.

In <FIG> and <FIG>, referred to above, the blocks may represent operations and/or portions thereof and lines connecting the various blocks do not imply any particular order or dependency of the operations or portions thereof. Blocks represented by dashed lines indicate alternative operations and/or portions thereof. Dashed lines, if any, connecting the various blocks represent alternative dependencies of the operations or portions thereof. It will be understood that not all dependencies among the various disclosed operations are necessarily represented. <FIG> and <FIG> and the accompanying disclosure describing the operations of the method(s) set forth herein should not be interpreted as necessarily determining a sequence in which the operations are to be performed. Rather, although one illustrative order is indicated, it is to be understood that the sequence of the operations may be modified when appropriate. Accordingly, certain operations may be performed in a different order or simultaneously. Additionally, those skilled in the art will appreciate that not all operations described need be performed.

In the following description, numerous specific details are set forth to provide a thorough understanding of the disclosed concepts, which may be practiced without some or all of these particulars. In other instances, details of known devices and/or processes have been omitted to avoid unnecessarily obscuring the disclosure. While some concepts will be described in conjunction with specific examples, it will be understood that these examples are not intended to be limiting.

Reference herein to "one example" means that one or more feature, structure, or characteristic described in connection with the example is included in at least one implementation. The phrase "one example" in various places in the specification may or may not be referring to the same example.

Illustrative, non-exhaustive examples, which may or may not be claimed, of the subject matter according the present disclosure are provided below.

Referring generally to <FIG> and particularly to, e.g., <FIG> and <FIG>, sealant-applicator tip <NUM> is disclosed. Sealant-applicator tip <NUM> comprises body <NUM>, having plane of symmetry <NUM>. Body <NUM> comprises inlet opening <NUM>. Sealant-applicator tip <NUM> also comprises head <NUM>, extending from body <NUM> opposite inlet opening <NUM>. Head <NUM> comprises first planar face <NUM>, comprising first linear edge <NUM>. Head <NUM> also comprises second planar face <NUM>, oriented at first non-zero angle <NUM> to first planar face <NUM> and comprising second linear edge <NUM>. First linear edge <NUM> of first planar face <NUM> and second linear edge <NUM> of second planar face <NUM> lie in virtual flat plane <NUM>. Head <NUM> further comprises third face <NUM>, separating first planar face <NUM> from second planar face <NUM>. Third face <NUM> comprises third edge <NUM>. Head <NUM> additionally comprises fourth face <NUM>, comprising fourth edge <NUM>. Head <NUM> also comprises fifth edge <NUM>, shared by first planar face <NUM> and fourth face <NUM>. Head <NUM> further comprises sixth edge <NUM>, shared by second planar face <NUM> and fourth face <NUM>. Head <NUM> also comprises seventh edge <NUM>, shared by third face <NUM> and fourth face <NUM>. Head <NUM> additionally comprises outlet opening <NUM>, formed in third face <NUM>. Outlet opening <NUM> is in communication with inlet opening <NUM> of body <NUM>. Sealant-applicator tip <NUM> also comprises channel <NUM>, extending from inlet opening <NUM> to outlet opening <NUM>. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure.

Sealant-applicator tip <NUM> may be used to form first bead <NUM> of sealant material <NUM> when sealant-applicator tip <NUM> is moved in first direction <NUM> along corner joint <NUM> (<FIG>). Sealant-applicator tip (<NUM>) may also be used to form second bead <NUM> of sealant material <NUM> when sealant-applicator tip <NUM> is moved in second direction <NUM> along corner joint <NUM> (<FIG>). Second direction <NUM> is opposite first direction <NUM>. Second bead <NUM> of sealant material <NUM> covers first bead <NUM> of sealant material <NUM>. First bead <NUM> of sealant material <NUM> and second bead <NUM> of sealant material <NUM> form fillet seal <NUM> between first planar surface <NUM> and second planar surface <NUM> forming corner joint <NUM> (<FIG>, <FIG>). Accordingly, use of sealant-applicator tip <NUM> provides for formation of first bead <NUM> of sealant material <NUM> followed by a subsequent formation of second bead <NUM> of sealant material <NUM>, covering first bead <NUM> of sealant material <NUM>, without removing sealant-applicator tip <NUM> from corner joint <NUM> or changing between different kinds of sealant application tips.

Sealant-applicator tip <NUM> is configured to be coupled to sealant-delivery nozzle <NUM>, as illustrated in <FIG>. As one example, an end of sealant-delivery nozzle <NUM> is received through inlet opening <NUM> and partially into channel <NUM> for delivery of sealant material <NUM> through outlet opening <NUM>. In one example, sealant-delivery nozzle <NUM> may be manipulated manually. In another example, sealant-delivery nozzle <NUM> may be manipulated automatically, such as by an end effector of a robotic arm.

Sealant-applicator tip <NUM> may be made of any suitable material. As one example, Sealant-applicator tip <NUM> may be made of a thermoplastic material. As one example, Sealant-applicator tip <NUM> may be manufactured using an additive manufacturing technology, also known as a three-dimensional printing process, such as fused deposition modeling.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, <FIG>, <FIG>, third edge <NUM> of third face <NUM> is linear and lies in virtual flat plane <NUM>. Third face <NUM> is planar. Third face <NUM> is oblique to first planar face <NUM> and to second planar face <NUM>. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to example <NUM>, above.

When sealant-applicator tip <NUM> is moved in second direction <NUM>, opposite first direction <NUM>, along corner joint <NUM>, third edge <NUM> at least partially shapes sealant material <NUM>, supplied to corner joint <NUM>, to form second-bead surface <NUM> of second bead <NUM> (<FIG>). A linear third edge <NUM> provides for, or forms, a planar second-bead surface <NUM> (i.e., second-bead surface <NUM> is planar).

For the purpose of this disclosure, a given edge defined by one or more faces of head <NUM>, or shared by two or more faces of head <NUM>,is linear when it is arranged or extends in a straight, or nearly straight, line. As one example, third edge <NUM> is linear when an entire length of third edge <NUM>, extending from first linear edge <NUM> to second linear edge <NUM>, is arranged or extends in a straight, or nearly straight, line.

For the purpose of this disclosure, a given face of head <NUM> of sealant-applicator tip <NUM> is planar when it is two-dimensional in quality and lies on, or forms, a flat geometric plane. As one example, third face is planar when an entirety of third face <NUM>, bound by third edge <NUM>, seventh edge <NUM>, eighth edge <NUM>, and ninth edge <NUM>, is two-dimensional in quality and lies on, or forms, a flat geometric plane.

For the purpose of this disclosure, a bead surface of a bead of sealant material <NUM> is planar when it is two-dimensional in quality and lies on, or forms, a flat geometric plane. As one example, second-bead surface <NUM> of second bead <NUM> of sealant material <NUM> is planar when an entirety of second-bead surface <NUM>, extending between first planar surface <NUM> and second planar surface <NUM>, defining corner joint <NUM>, is two-dimensional in quality and lies on, or forms, a flat geometric plane.

For the purpose of this disclosure, any two given faces of head <NUM> of sealant-applicator tip <NUM> are oblique when they are neither parallel nor at a right angle to one another.

In one example, fourth edge <NUM> of fourth face <NUM> of sealant-applicator tip <NUM> is linear and lies in virtual flat plane <NUM>. Fourth face <NUM>, bound by fourth edge <NUM>, fifth edge <NUM>, and sixth edge <NUM>, is planar. Fourth face <NUM> is oblique to third face <NUM>. Fourth face <NUM> is perpendicular to first planar face <NUM> and second planar face <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, <FIG>, <FIG>, <FIG>, third edge <NUM> of third face <NUM> is non-linear. At least portion of third face <NUM>, bounded by third edge <NUM>, is convex. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to example <NUM>, above.

When sealant-applicator tip <NUM> is moved in second direction <NUM>, opposite first direction <NUM>, along corner joint <NUM>, third edge <NUM> at least partially shapes sealant material <NUM>, supplied to corner joint <NUM>, to form second-bead surface <NUM> of second bead <NUM> of sealant material <NUM> (<FIG>). A non-linear third edge <NUM> provides for, or forms, a concave second-bead surface <NUM> (i.e., second-bead surface <NUM> is concave).

For the purpose of this disclosure, a given edge defined by one or more faces of head <NUM>, or shared by two or more faces of head <NUM>, is non-linear when at least a portion of it is not arranged in a straight line, for example, having a curve or arcuate portion. As one example, third edge <NUM> is non-linear when an entire length of third edge <NUM>, extending from first linear edge <NUM> to second linear edge <NUM>, is not arranged in a straight line. As one example, third edge <NUM> is non-linear when a portion of the length of third edge <NUM>, disposed between first linear edge <NUM> and second linear edge <NUM>, is not arranged in a straight line.

For the purpose of this disclosure, a given face of head <NUM> is convex when at least a portion of it is three-dimensional in quality and is curved or rounded outwardly. As one example, third face <NUM> is convex when an entirety of third face <NUM>, bound by third edge <NUM>, eighth edge <NUM>, and ninth edge <NUM>, is three-dimensional in quality and is curved or rounded outwardly. As one example, third face <NUM> is convex when a portion of third face <NUM>, at least partially bound by at least two of third edge <NUM>, seventh edge <NUM>, eighth edge <NUM>, and ninth edge <NUM>, is three-dimensional in quality and is curved or rounded outwardly.

For the purpose of this disclosure, a bead surface of a given bead of sealant material <NUM> is concave when at least a portion of it is three-dimensional in quality and is curved or rounded inwardly. As one example, second-bead surface <NUM> of second bead <NUM> of sealant material <NUM> is concave when an entirety of second-bead surface <NUM>, extending between first planar surface <NUM> and second planar surface <NUM>, defining corner joint <NUM>, is three-dimensional in quality and is curved or rounded inwardly. As one example, second-bead surface <NUM> of second bead <NUM> of sealant material <NUM> is concave when at least a portion second-bead surface <NUM>, disposed between first planar surface <NUM> and second planar surface <NUM>, defining corner joint <NUM>, is three-dimensional in quality and is curved or rounded inwardly.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, <FIG> and <FIG>, <FIG>, third edge <NUM> of third face <NUM> is non-linear and at least portion of third face <NUM>, bounded by third edge <NUM>, is concave. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to example <NUM>, above.

When sealant-applicator tip <NUM> is moved in second direction <NUM>, opposite first direction <NUM>, along corner joint <NUM>, third edge <NUM> of third face <NUM> of head <NUM> of sealant-applicator tip <NUM> at least partially shapes sealant material <NUM>, supplied to corner joint <NUM>, to form second-bead surface <NUM> of second bead <NUM> of sealant material <NUM> (<FIG>). A non-linear third edge <NUM> forms a convex second-bead surface <NUM> (i.e., second-bead surface <NUM> is convex).

For the purpose of this disclosure, a given face of head <NUM> concave when at least a portion of it is three-dimensional in quality and is curved or rounded inwardly. As one example, third face <NUM> is concave when an entirety of third face <NUM>, bound by third edge <NUM>, eighth edge <NUM>, and ninth edge <NUM>, is three-dimensional in quality and is curved or rounded inwardly. As one example, third face <NUM> is concave when a portion of third face <NUM>, at least partially bound by at least two of third edge <NUM>, seventh edge <NUM>, eighth edge <NUM>, and ninth edge <NUM>, is three-dimensional in quality and is curved or rounded inwardly.

For the purpose of this disclosure, a bead surface of a given bead of sealant material <NUM> is convex when at least a portion of it is three-dimensional in quality and is curved or rounded outwardly. As one example, second-bead surface <NUM> of second bead <NUM> of sealant material <NUM> is convex when an entirety of second-bead surface <NUM>, extending between first planar surface <NUM> and second planar surface <NUM>, defining corner joint <NUM>, is three-dimensional in quality and is curved or rounded outwardly. As one example, second-bead surface <NUM> of second bead <NUM> of sealant material <NUM> is convex when at least a portion of second-bead surface <NUM>, disposed between first planar surface <NUM> and second planar surface <NUM>, defining corner joint <NUM>, is three-dimensional in quality and is curved or rounded outwardly.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, <FIG>, <FIG>, and <FIG>, seventh edge <NUM> of head <NUM> is linear. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

When sealant-applicator tip <NUM> is moved in first direction <NUM> along corner joint <NUM>, seventh edge <NUM> at least partially shapes sealant material <NUM>, supplied to corner joint <NUM>, to form first-bead surface <NUM> of first bead <NUM> of sealant material <NUM> (<FIG>).

As one example, first-bead surface <NUM> of first bead <NUM> of sealant material <NUM>, extending between first planar surface <NUM> and second planar surface <NUM>, defining corner joint <NUM>, is planar. A linear seventh edge <NUM> provides for, or forms, a planar first-bead surface <NUM> (i.e., first-bead surface is planar).

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, <FIG>, <FIG>, and <FIG>, seventh edge <NUM> of head <NUM> is non-linear and at least portion of third face <NUM>, bounded by seventh edge <NUM>, is convex. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

When sealant-applicator tip <NUM> is moved in first direction <NUM> along corner joint <NUM>, seventh edge <NUM> at least partially shapes sealant material <NUM>, supplied to corner joint <NUM>, to form first-bead surface <NUM> of first bead <NUM> of sealant material <NUM> (<FIG>). A non-linear seventh edge <NUM> provides for, or forms, a concave first-bead surface <NUM> (i.e., first-bead surface <NUM> is concave).

As one example, an entire length of seventh edge <NUM>, extending from fifth edge <NUM> to sixth edge <NUM>, is non-linear. As one example, at least a portion of the length of seventh edge <NUM>, disposed between fifth edge <NUM> and sixth edge <NUM>, is non-linear.

As one example, an entirety of third face <NUM>, bound by third edge <NUM>, eighth edge <NUM>, and ninth edge <NUM>, is convex. As one example, at least a portion of third face <NUM>, at least partially bound by at least two of third edge <NUM>, seventh edge <NUM>, eighth edge <NUM>, and ninth edge <NUM>, is convex.

As one example, an entirety of first-bead surface <NUM> of first bead <NUM> of sealant material <NUM>, extending between first planar surface <NUM> and second planar surface <NUM>, defining corner joint <NUM>, is concave. As one example, at least a portion first-bead surface <NUM>, disposed between first planar surface <NUM> and second planar surface <NUM>, defining corner joint <NUM>, is concave.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, <FIG>, <FIG>, and <FIG>, seventh edge <NUM> of head <NUM> is non-linear and at least portion of third face <NUM>, bounded by seventh edge <NUM>, is concave. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

When sealant-applicator tip <NUM> is moved in first direction <NUM> along corner joint <NUM>, seventh edge <NUM> at least partially shapes sealant material <NUM>, supplied to corner joint <NUM>, to form first-bead surface <NUM> of first bead <NUM> of sealant material <NUM> (<FIG>). A non-linear seventh edge <NUM> provides for, or forms, a convex first-bead surface <NUM> (i.e., first-bead surface <NUM> is convex).

As one example, an entirety of first-bead surface <NUM> of first bead <NUM> of sealant material <NUM>, extending between first planar surface <NUM> and second planar surface <NUM>, defining corner joint <NUM>, is convex. As one example, at least a portion of first-bead surface <NUM>, disposed between first planar surface <NUM> and second planar surface <NUM>, defining corner joint <NUM>, is convex.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, and <FIG>, virtual flat plane <NUM>, containing first linear edge <NUM> of first planar face <NUM> and second linear edge <NUM> of second planar face <NUM>, is perpendicular to plane of symmetry <NUM> of body <NUM>. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

When sealant-applicator tip <NUM> is positioned relative to corner joint <NUM>, with first planar face <NUM> of sealant-applicator tip <NUM> in flush surface contact with and parallel to one of first planar surface <NUM> or second planar surface <NUM> and with second planar face <NUM> of sealant-applicator tip <NUM> in flush contact with and parallel to another one of first planar surface <NUM> or second planar surface <NUM>, virtual flat plane <NUM>, being perpendicular to plane of symmetry <NUM> of body <NUM>, positions body <NUM> at a perpendicular angle relative to first planar surface <NUM> and second planar surface <NUM>, defining corner joint <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, and <FIG>, virtual flat plane <NUM>, containing first linear edge <NUM> of first planar face <NUM> and second linear edge <NUM> of second planar face <NUM>, is oblique to plane of symmetry <NUM> of body <NUM>. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

When sealant-applicator tip <NUM> is positioned relative to corner joint <NUM>, with first planar face <NUM> of sealant-applicator tip <NUM> in flush surface contact with and parallel to one of first planar surface <NUM> or second planar surface <NUM> and with second planar face <NUM> of sealant-applicator tip <NUM> in flush contact with and parallel to another one of first planar surface <NUM> or second planar surface <NUM>, virtual flat plane <NUM>, being oblique to plane of symmetry <NUM> of body <NUM>, positions body <NUM> at an oblique angle relative to first planar surface <NUM> and second planar surface <NUM>, defining corner joint <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, first non-zero angle <NUM> between first planar face <NUM> and second planar face <NUM> is a right angle. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

First non-zero angle <NUM>, being a right angle, enables first planar face <NUM> to be in flush surface contact with and parallel to one of first planar surface <NUM> or second planar surface <NUM> and second planar face <NUM> to be in flush contact with and parallel to another one of first planar surface <NUM> or second planar surface <NUM> during application of sealant material <NUM> to corner joint <NUM> formed by first planar surface <NUM> and second planar surface <NUM> that are disposed at a right angle relative to each other.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, first non-zero angle <NUM> between first planar face <NUM> and second planar face <NUM> is an acute angle. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example11 also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

First non-zero angle <NUM> , being an acute angle, enables first planar face <NUM> of sealant-applicator tip <NUM> to be in flush surface contact with and parallel to one of first planar surface <NUM> or second planar surface <NUM> and second planar face <NUM> of sealant-applicator tip <NUM> to be in flush contact with and parallel to another one of first planar surface <NUM> or second planar surface <NUM> during application of sealant material <NUM> to corner joint <NUM>, formed by first planar surface <NUM> and second planar surface <NUM> that are disposed at an acute angle relative to each other.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, first non-zero angle <NUM> between first planar face <NUM> and second planar face <NUM> is an obtuse angle. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

First non-zero angle <NUM>, being an obtuse angle, enables first planar face <NUM> of sealant-applicator tip <NUM> to be in flush surface contact with and parallel to one of first planar surface <NUM> or second planar surface <NUM> and second planar face <NUM> of sealant-applicator tip <NUM> to be in flush contact with and parallel to another one of first planar surface <NUM> or second planar surface <NUM> during application of sealant material <NUM> to corner joint <NUM> formed by first planar surface <NUM> and second planar surface <NUM> that are disposed at an obtuse angle relative to each other.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, <FIG>, <FIG>, and <FIG>, head <NUM> further comprises eighth edge <NUM>, shared between first planar face <NUM> and third face <NUM>. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

When sealant-applicator tip <NUM> is positioned relative to corner joint <NUM>, eighth edge <NUM> partially defines a boundary of sealant material <NUM> supplied to corner joint <NUM>. When sealant-applicator tip <NUM> is advanced along corner joint <NUM>, eighth edge <NUM> directs a supply of sealant material <NUM>.

In one example, when sealant-applicator tip <NUM> is positioned relative to corner joint <NUM> and as sealant material <NUM> is being supplied to corner joint <NUM>, eighth edge <NUM> defines one boundary of sealant material <NUM>, third face <NUM> defines another boundary of sealant material <NUM>, first planar surface <NUM> defines another boundary of sealant material <NUM>, and second planar surface <NUM> defines yet another boundary of sealant material <NUM>. When sealant material <NUM> is supplied to corner joint <NUM>, third face <NUM> forces sealant material <NUM> fully into corner joint <NUM>. When sealant-applicator tip <NUM> is advanced in first direction <NUM> along corner joint <NUM>, eighth edge <NUM> partially directs a first supply of sealant material <NUM> toward seventh edge <NUM> to form first bead <NUM> of sealant material <NUM>. When sealant-applicator tip <NUM> is advanced in second direction <NUM> along corner joint <NUM>, eighth edge <NUM> partially directs a second supply of sealant material <NUM> toward third edge <NUM> to form second bead <NUM> of sealant material <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, <FIG>, <FIG>, and <FIG>, eighth edge <NUM> of head <NUM> is linear. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to example <NUM>, above.

When sealant-applicator tip <NUM> is positioned relative to corner joint <NUM>, a linear eighth edge <NUM> defines a linear portion of the boundary of sealant material <NUM> supplied to corner joint <NUM>. When sealant-applicator tip <NUM> is advanced along corner joint <NUM>, the linear eighth edge <NUM> directs a supply of sealant material <NUM> along a linear path.

In one example, when sealant-applicator tip <NUM> is positioned relative to corner joint <NUM> and as sealant material <NUM> is being supplied to corner joint <NUM>, the linear eighth edge <NUM> defines a linear boundary of sealant material <NUM>, a planar third face <NUM> defines a planar boundary of sealant material <NUM>, first planar surface <NUM> defines another planar boundary of sealant material <NUM>, and second planar surface <NUM> defines yet another planar boundary of sealant material <NUM>. When sealant material <NUM> is supplied to corner joint <NUM>, the planar third face <NUM> forces a supplied amount of sealant material <NUM> fully into corner joint <NUM>. When sealant-applicator tip <NUM> is advanced in first direction <NUM> along corner joint <NUM>, the linear eighth edge <NUM> partially directs a first supply of sealant material <NUM> toward seventh edge <NUM> along a linear path to form first bead <NUM> of sealant material <NUM>. When sealant-applicator tip <NUM> is advanced in second direction <NUM> along corner joint <NUM>, the linear eighth edge <NUM> partially directs a second supply of sealant material <NUM> toward third edge <NUM> along a linear path to form second bead <NUM> of sealant material <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, <FIG>, <FIG>, and <FIG>, eighth edge <NUM> of head <NUM> is non-linear and at least portion of third face <NUM> of head <NUM>, bounded by eighth edge <NUM>, is convex. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to example <NUM>, above.

When sealant-applicator tip <NUM> is positioned relative to corner joint <NUM>, a non-linear eighth edge <NUM> defines a non-linear portion of the boundary of sealant material <NUM> supplied to corner joint <NUM>. When sealant-applicator tip <NUM> is positioned relative to corner joint <NUM>, a convex third face <NUM> defines a convex portion of the boundary of sealant material <NUM>. When sealant-applicator tip <NUM> is advanced along corner joint <NUM>, the non-linear eighth edge <NUM> directs a supply of sealant material <NUM> along a non-linear path.

In one example, when sealant-applicator tip <NUM> is positioned relative to corner joint <NUM>, the non-linear eighth edge <NUM> defines a non-linear boundary of sealant material <NUM> supplied to corner joint <NUM>, the convex third face <NUM> defines a convex boundary of sealant material <NUM> supplied to corner joint <NUM>, first planar surface <NUM> defines a planar boundary of sealant material <NUM> supplied to corner joint <NUM>, and second planar surface <NUM> defines another planar boundary of sealant material <NUM> supplied to corner joint <NUM>. When sealant material <NUM> is supplied to corner joint <NUM>, the convex third face <NUM> forces a supplied amount of sealant material <NUM> fully into corner joint <NUM>. When sealant-applicator tip <NUM> is advanced in first direction <NUM> along corner joint <NUM>, the non-linear eighth edge <NUM> partially directs a first supply of sealant material <NUM> toward seventh edge <NUM> along a non-linear path to form first bead <NUM> of sealant material <NUM>. When sealant-applicator tip <NUM> is advanced in second direction <NUM> along corner joint <NUM>, the non-linear eighth edge <NUM> partially directs a second supply of sealant material <NUM> toward third edge <NUM> along a non-linear path to form second bead <NUM> of sealant material <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, <FIG>, <FIG>, and <FIG>, eighth edge <NUM> of head <NUM> is non-linear and at least portion of third face <NUM>, bounded by eighth edge <NUM>, is concave. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to example <NUM>, above.

When sealant-applicator tip <NUM> is positioned relative to corner joint <NUM>, a non-linear eighth edge <NUM> defines a non-linear portion of the boundary of sealant material <NUM> supplied to corner joint <NUM>. When sealant-applicator tip <NUM> is positioned relative to corner joint <NUM>, a concave third face <NUM> defines a concave portion of the boundary of sealant material <NUM>. When sealant-applicator tip <NUM> is advanced along corner joint <NUM>, the non-linear eighth edge <NUM> directs a supply of sealant material <NUM> along a non-linear path.

In one example, when sealant-applicator tip <NUM> is positioned relative to corner joint <NUM>, the non-linear eighth edge <NUM> defines a non-linear boundary of sealant material <NUM> supplied to corner joint <NUM>, the concave third face <NUM> defines a concave boundary of sealant material <NUM> supplied to corner joint <NUM>, first planar surface <NUM> defines a planar boundary of sealant material <NUM> supplied to corner joint <NUM>, and second planar surface <NUM> defines another planar boundary of sealant material <NUM> supplied to corner joint <NUM>. When sealant material <NUM> is supplied to corner joint <NUM>, the concave third face <NUM> forces a supplied amount of sealant material <NUM> fully into corner joint <NUM>. When sealant-applicator tip <NUM> is advanced in first direction <NUM> along corner joint <NUM>, the non-linear eighth edge <NUM> partially directs a first supply of sealant material <NUM> toward seventh edge <NUM> along a non-linear path to form first bead <NUM> of sealant material <NUM>. When sealant-applicator tip <NUM> is advanced in second direction <NUM> along corner joint <NUM>, the non-linear eighth edge <NUM> partially directs a second supply of sealant material <NUM> toward third edge <NUM> along a non-linear path to form second bead <NUM> of sealant material <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, <FIG>, <FIG>, and <FIG>, head <NUM> further comprises ninth edge <NUM>, shared between second planar face <NUM> and third face <NUM>. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

When sealant-applicator tip <NUM> is positioned relative to corner joint <NUM>, ninth edge <NUM> partially defines a boundary of sealant material <NUM> supplied to corner joint <NUM>. When sealant-applicator tip <NUM> is advanced along corner joint <NUM>, ninth edge <NUM> directs a supply of sealant material <NUM>.

In one example, when sealant-applicator tip <NUM> is positioned relative to corner joint <NUM> and as sealant material <NUM> is being supplied to corner joint <NUM>, ninth edge <NUM> defines one boundary of sealant material <NUM>, third face <NUM> defines another boundary of sealant material <NUM>, first planar surface <NUM> defines another boundary of sealant material <NUM>, and second planar surface <NUM> defines yet another boundary of sealant material <NUM>. When sealant material <NUM> is supplied to corner joint <NUM>, third face <NUM> forces sealant material <NUM> fully into corner joint <NUM>. When sealant-applicator tip <NUM> is advanced in first direction <NUM> along corner joint <NUM>, ninth edge <NUM> partially directs a first supply of sealant material <NUM> toward seventh edge <NUM> to form first bead <NUM> of sealant material <NUM>. When sealant-applicator tip <NUM> is advanced in second direction <NUM> along corner joint <NUM>, ninth edge <NUM> partially directs a second supply of sealant material <NUM> toward third edge <NUM> to form second bead <NUM> of sealant material <NUM>.

In one example, when sealant-applicator tip <NUM> is positioned relative to corner joint <NUM> and as sealant material <NUM> is being supplied to corner joint <NUM>, eighth edge <NUM> defines one boundary of sealant material <NUM>, ninth edge <NUM> defines another boundary of sealant material <NUM>, third face <NUM> defines another boundary of sealant material <NUM>, first planar surface <NUM> defines another boundary of sealant material <NUM>, and second planar surface <NUM> defines yet another boundary of sealant material <NUM>. When sealant-applicator tip <NUM> is advanced in first direction <NUM> along corner joint <NUM>, eighth edge <NUM> and ninth edge <NUM> direct a first supply of sealant material <NUM> toward seventh edge <NUM> to form first bead <NUM> of sealant material <NUM>. When sealant-applicator tip <NUM> is advanced in second direction <NUM> along corner joint <NUM>, eighth edge <NUM> and ninth edge <NUM> direct a second supply of sealant material <NUM> toward third edge <NUM> to form second bead <NUM> of sealant material <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, <FIG>, <FIG>, and <FIG>, ninth edge <NUM> of head <NUM> is linear. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to example <NUM>, above.

When sealant-applicator tip <NUM> is positioned relative to corner joint <NUM>, a linear ninth edge <NUM> defines a linear portion of the boundary of sealant material <NUM> supplied to corner joint <NUM>. When sealant-applicator tip <NUM> is advanced along corner joint <NUM>, the linear ninth edge <NUM> directs a supply of sealant material <NUM> along a linear path.

In one example, when sealant-applicator tip <NUM> is positioned relative to corner joint <NUM> and as sealant material <NUM> is being supplied to corner joint <NUM>, the linear ninth edge <NUM> defines a linear boundary of sealant material <NUM>, a planar third face <NUM> defines a planar boundary of sealant material <NUM>, first planar surface <NUM> defines another planar boundary of sealant material <NUM>, and second planar surface <NUM> defines yet another planar boundary of sealant material <NUM>. When sealant material <NUM> is supplied to corner joint <NUM>, the planar third face <NUM> forces a supplied amount of sealant material <NUM> fully into corner joint <NUM>. When sealant-applicator tip <NUM> is advanced in first direction <NUM> along corner joint <NUM>, the linear ninth edge <NUM> partially directs a first supply of sealant material <NUM> toward seventh edge <NUM> along a linear path to form first bead <NUM> of sealant material <NUM>. When sealant-applicator tip <NUM> is advanced in second direction <NUM> along corner joint <NUM>, the linear ninth edge <NUM> partially directs a second supply of sealant material <NUM> toward third edge <NUM> along a linear path to form second bead <NUM> of sealant material <NUM>.

In one example, when sealant-applicator tip <NUM> is positioned relative to corner joint <NUM> and as sealant material <NUM> is being supplied to corner joint <NUM>, the linear eighth edge <NUM> defines one linear boundary of sealant material <NUM>, the linear ninth edge <NUM> defines another linear boundary of sealant material <NUM>, the planar third face <NUM> defines a planar boundary of sealant material <NUM>, first planar surface <NUM> defines another planar boundary of sealant material <NUM>, and second planar surface <NUM> defines yet another planar boundary of sealant material <NUM>. When sealant-applicator tip <NUM> is advanced in first direction <NUM> along corner joint <NUM>, the linear eighth edge <NUM>, the linear ninth edge <NUM>, and the planar third face <NUM> direct a first supply of sealant material <NUM> toward seventh edge <NUM> along a linear path to form first bead <NUM> of sealant material <NUM>. When sealant-applicator tip <NUM> is advanced in second direction <NUM> along corner joint <NUM>, the linear eighth edge <NUM>, the linear ninth edge <NUM>, and the planar third face <NUM> direct a second supply of sealant material <NUM> toward third edge <NUM> along a linear path to form second bead <NUM> of sealant material <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, <FIG>, <FIG>, and <FIG>, ninth edge <NUM> of head <NUM> is non-linear and at least portion of third face <NUM>, bounded by ninth edge <NUM>, is convex. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to example <NUM>, above.

When sealant-applicator tip <NUM> is positioned relative to corner joint <NUM>, a non-linear ninth edge <NUM> defines a non-linear portion of the boundary of sealant material <NUM> supplied to corner joint <NUM>. When sealant-applicator tip <NUM> is positioned relative to corner joint <NUM>, a convex third face <NUM> defines a convex portion of the boundary of sealant material <NUM>. When sealant-applicator tip <NUM> is advanced along corner joint <NUM>, the non-linear ninth edge <NUM> directs a supply of sealant material <NUM> along a non-linear path.

In one example, when sealant-applicator tip <NUM> is positioned relative to corner joint <NUM> and as sealant material <NUM> is being supplied to corner joint <NUM>, the non-linear ninth edge <NUM> defines a non-linear boundary of sealant material <NUM>, the convex third face <NUM> defines a convex boundary of sealant material <NUM>, first planar surface <NUM> defines a planar boundary of sealant material <NUM>, and second planar surface <NUM> defines another planar boundary of sealant material <NUM>. When sealant material <NUM> is supplied to corner joint <NUM>, the convex third face <NUM> forces a supplied amount of sealant material <NUM> fully into corner joint <NUM>. When sealant-applicator tip <NUM> is advanced in first direction <NUM> along corner joint <NUM>, the non-linear ninth edge <NUM> partially directs a first supply of sealant material <NUM> toward seventh edge <NUM> along a non-linear path to form first bead <NUM> of sealant material <NUM>. When sealant-applicator tip <NUM> is advanced in second direction <NUM> along corner joint <NUM>, the non-linear ninth edge <NUM> partially directs a second supply of sealant material <NUM> toward third edge <NUM> along a non-linear path to form second bead <NUM> of sealant material <NUM>.

In one example, when sealant-applicator tip <NUM> is positioned relative to corner joint <NUM> and as sealant material <NUM> is being supplied to corner joint <NUM>, the non-linear eighth edge <NUM> defines a non-linear boundary of sealant material <NUM>, the non-linear ninth edge <NUM> defines another non-linear boundary of sealant material <NUM>, the convex third face <NUM> defines a convex boundary of sealant material <NUM>, first planar surface <NUM> defines a planar boundary of sealant material <NUM>, and second planar surface <NUM> defines yet another planar boundary of sealant material <NUM>. When sealant-applicator tip <NUM> is advanced in first direction <NUM> along corner joint <NUM>, the non-linear eighth edge <NUM>, the non-linear ninth edge <NUM>, and the convex third face <NUM> direct a first supply of sealant material <NUM> toward seventh edge <NUM> along a non-linear path to form first bead <NUM> of sealant material <NUM>. When sealant-applicator tip <NUM> is advanced in second direction <NUM> along corner joint <NUM>, the non-linear eighth edge <NUM>, the non-linear ninth edge <NUM>, and the convex third face <NUM> direct a second supply of sealant material <NUM> toward third edge <NUM> along a non-linear path to form second bead <NUM> of sealant material <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, <FIG>, <FIG>, and <FIG>, ninth edge <NUM> of head <NUM> is curved and at least portion of third face <NUM>, bounded by ninth edge <NUM>, is concave. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to example <NUM>, above.

When sealant-applicator tip <NUM> is positioned relative to corner joint <NUM>, a non-linear ninth edge <NUM> defines a non-linear portion of the boundary of sealant material <NUM> supplied to corner joint <NUM>. When sealant-applicator tip <NUM> is positioned relative to corner joint <NUM>, a concave third face <NUM> defines a concave portion of the boundary of sealant material <NUM>. When sealant-applicator tip <NUM> is advanced along corner joint <NUM>, the non-linear ninth edge <NUM> directs a supply of sealant material <NUM> along a non-linear path.

In one example, when sealant-applicator tip <NUM> is positioned relative to corner joint <NUM> and as sealant material <NUM> is being supplied to corner joint <NUM>, the non-linear ninth edge <NUM> defines a non-linear boundary of sealant material <NUM>, the concave third face <NUM> defines a concave boundary of sealant material <NUM>, first planar surface <NUM> defines a planar boundary of sealant material <NUM>, and second planar surface <NUM> defines another planar boundary of sealant material <NUM>. When sealant material <NUM> is supplied to corner joint <NUM>, the concave third face <NUM> forces a supplied amount of sealant material <NUM> fully into corner joint <NUM>. When sealant-applicator tip <NUM> is advanced in first direction <NUM> along corner joint <NUM>, the non-linear ninth edge <NUM> partially directs a first supply of sealant material <NUM> toward seventh edge <NUM> along a non-linear path to form first bead <NUM> of sealant material <NUM>. When sealant-applicator tip <NUM> is advanced in second direction <NUM> along corner joint <NUM>, the non-linear ninth edge <NUM> partially directs a second supply of sealant material <NUM> toward third edge <NUM> along a non-linear path to form second bead <NUM> of sealant material <NUM>.

In one example, when sealant-applicator tip <NUM> is positioned relative to corner joint <NUM> and as sealant material <NUM> is being supplied to corner joint <NUM>, the non-linear eighth edge <NUM> defines a non-linear boundary of sealant material <NUM>, the non-linear ninth edge <NUM> defines another non-linear boundary of sealant material <NUM>, the concave third face <NUM> defines a concave boundary of sealant material <NUM>, first planar surface <NUM> defines a planar boundary of sealant material <NUM>, and second planar surface <NUM> defines yet another planar boundary of sealant material <NUM>. When sealant-applicator tip <NUM> is advanced in first direction <NUM> along corner joint <NUM>, the non-linear eighth edge <NUM>, the non-linear ninth edge <NUM>, and the concave third face <NUM> direct a first supply of sealant material <NUM> toward seventh edge <NUM> along a non-linear path to form first bead <NUM> of sealant material <NUM>. When sealant-applicator tip <NUM> is advanced in second direction <NUM> along corner joint <NUM>, the non-linear eighth edge <NUM>, the non-linear ninth edge <NUM>, and the concave third face <NUM> direct a second supply of sealant material <NUM> toward third edge <NUM> along a non-linear path to form second bead <NUM> of sealant material <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, <FIG>, and <FIG>, outlet opening <NUM> of head <NUM> has perimeter edge <NUM> and axis of symmetry <NUM>. Perimeter edge <NUM> comprises linear segment <NUM>, adjacent to third edge <NUM> of third face <NUM>. Perimeter edge <NUM> also comprises first curved segment <NUM>, extending from linear segment <NUM> toward seventh edge <NUM> of head <NUM>. Perimeter edge further comprises second curved segment <NUM>, extending from linear segment <NUM> to first curved segment <NUM>. Axis of symmetry <NUM> bisects linear segment <NUM>. First curved segment <NUM> and second curved segment <NUM> are symmetric about axis of symmetry <NUM>. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

When sealant-applicator tip <NUM> is advanced in one (e.g., either one) of first direction <NUM> or second direction <NUM>, outlet opening <NUM> is controls a flow of sealant material <NUM> supplied to corner joint <NUM>.

In one example, when sealant-applicator tip <NUM> is advanced in first direction <NUM>, the flow of sealant material <NUM>, or an amount of sealant material <NUM> supplied to corner joint <NUM>, is least (e.g., smallest) proximate to a convergence of first curved segment <NUM> and second curved segment <NUM>, for example, proximate to seventh edge <NUM>, to form first bead <NUM> of sealant material <NUM>, which is then shaped by seventh edge <NUM>. The flow of sealant material <NUM>, or an amount of sealant material <NUM> supplied to corner joint <NUM>, gradually increases from proximate the convergence of first curved segment <NUM> and second curved segment <NUM>, along first curved segment <NUM> and second curved segment <NUM>, to proximate linear segment <NUM>. When sealant-applicator tip <NUM> is advanced in second direction <NUM>, the flow of sealant material <NUM>, or an amount of sealant material <NUM> supplied to corner joint <NUM>, is greatest (e.g., largest) proximate to linear segment <NUM> (e.g., proximate to third edge <NUM>, to form second bead <NUM> of sealant material <NUM>, covering first bead <NUM> of sealant material <NUM>, which is then shaped by third edge <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, <FIG>, and <FIG>, axis of symmetry <NUM> of outlet opening <NUM> bisects third face <NUM> in two equal halves. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to example <NUM>, above.

Bisecting third face <NUM> in two equal halves by axis of symmetry <NUM> centers outlet opening <NUM> upon third face <NUM> and supplies an equal amount of sealant material <NUM> to both sides of corner joint <NUM> formed by first planar surface <NUM> and second planar surface <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, <FIG>, and <FIG>, third face <NUM> comprises a truncated triangular shape. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

The truncated triangular shape of third face <NUM> permits third face <NUM> to fit within corner joint <NUM> between first planar surface <NUM> and second planar surface <NUM> and spaces third edge <NUM> and seventh edge <NUM> away from an intersection of first planar surface <NUM> and second planar surface <NUM>.

In one example, when sealant-applicator tip <NUM> is positioned relative to and engages corner joint <NUM>, the truncated triangular shape of third face <NUM> spaces seventh edge <NUM> away from the intersection of first planar surface <NUM> and second planar surface <NUM>. When sealant-applicator tip <NUM> is advanced in first direction <NUM>, seventh edge <NUM> shapes first bead <NUM> of sealant material <NUM>. When sealant-applicator tip <NUM> is positioned relative to and engages corner joint <NUM>, the truncated triangular shape of third face <NUM> spaces third edge <NUM> away from the intersection of first planar surface <NUM> and second planar surface <NUM>. When sealant-applicator tip <NUM> is advanced in second direction <NUM>, third edge <NUM> shapes second bead <NUM> of sealant material <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG>, body <NUM> defines channel-body portion <NUM> of channel <NUM>. Head <NUM> defines channel-head portion <NUM> of channel <NUM>. Channel-head portion <NUM> is in communication with channel-body portion <NUM>. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

Channel <NUM> provides for the delivery of sealant material <NUM> from sealant delivery-nozzle <NUM> to corner joint <NUM>.

In one example, channel <NUM> provides for the flow of sealant material <NUM> from sealant-delivery nozzle <NUM>, into inlet opening <NUM>, through body <NUM> and head <NUM>, and out from outlet opening <NUM> for delivery into corner joint <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG>, channel <NUM> further comprises channel interface <NUM>, connecting channel-body portion <NUM> and channel-head portion <NUM>. At least a portion of channel-body portion <NUM> tapers inwardly from inlet opening <NUM> of body <NUM> to channel interface <NUM>. At least a portion of channel-head portion <NUM> tapers outwardly from channel interface <NUM> to outlet opening <NUM> of head <NUM>. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to example <NUM>, above.

A combination of channel-body portion <NUM> tapering inwardly, from inlet opening <NUM> to channel interface <NUM>, and channel-head portion <NUM> tapering outwardly, from channel interface <NUM> to outlet opening <NUM>, reduces the flow of sealant material <NUM> along channel <NUM> and controls back pressure within channel <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG> and <FIG>, sealant-applicator tip <NUM> also comprises O-ring <NUM>, located in channel-body portion <NUM> of channel <NUM>. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

O-ring <NUM> provides a seal at a contact interface between an end of sealant-delivery nozzle <NUM> and sealant-applicator tip <NUM>.

As an example, O-ring <NUM> forms a mechanical gasket between the end of sealant-delivery nozzle <NUM> and an interior of sealant-applicator tip <NUM> defining channel <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG> and <FIG>, body <NUM> further comprises an internal annular shoulder <NUM>, formed in channel-body portion <NUM> of channel <NUM>. O-ring <NUM> is received by internal annular shoulder <NUM>. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to example <NUM>, above.

Annular shoulder <NUM> provides a limiting interface for insertion of sealant-delivery nozzle <NUM> through inlet opening <NUM> and into channel-body portion <NUM> of channel <NUM> and positions O-ring <NUM> between annular should <NUM> and the end of sealant-delivery nozzle <NUM>.

As an example, annular shoulder <NUM> seats O-ring <NUM> and forms a sealing interface between the end of sealant-delivery nozzle <NUM> and an interior of sealant-applicator tip <NUM>, defining channel <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG> and <FIG>, first planar face <NUM> has triangular shape. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

First planar face <NUM> having triangular shape permits first planar face <NUM> to engage one of first planar surface <NUM> or second planar surface <NUM> and provides for third edge <NUM> to be longer than seventh edge <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG> and <FIG>, second planar face <NUM> has triangular shape. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

Second planar face <NUM> having triangular shape permits first planar face <NUM> to engage another one of first planar surface <NUM> or second planar surface <NUM> and provides for third edge <NUM> to be longer than seventh edge <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG> and <FIG>, body <NUM> comprises medial axis <NUM>, comprising at least one inflection point <NUM>. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

When sealant-applicator tip <NUM> is positioned relative to corner joint <NUM>, medial axis <NUM> of body <NUM> having at least one inflection point <NUM> permits head <NUM> of sealant-applicator tip <NUM> to engage corner joint <NUM>, with first planar face <NUM> in flush surface contact with and parallel to one of first planar surface <NUM> or second planar surface <NUM> and with second planar face <NUM> in flush contact with and parallel to another one of first planar surface <NUM> or second planar surface <NUM>. When sealant-applicator tip <NUM> is advanced in at least one of (e.g., either one or both of) first direction <NUM> and/or second direction <NUM>, medial axis <NUM> of body <NUM> having at least one inflection point <NUM> permits body <NUM> to avoid one or more obstructions <NUM> located proximate to (e.g., at or near) corner joint <NUM>.

For the purpose of this disclosure, a medial axis of a three-dimensional surface is a set of all points, not on the three-dimensional surface, each of which has more than one closest point on the three-dimensional surface. The medial axis of an object is the set of all points having more than one closest point on the object's boundary.

For purposes of this disclosure, an inflection point is defined as a transition point between two straight portions of a line or segment, a concave portion and a convex portion of a line or segment, a concave portion and a straight portion of a line or segment, or a convex portion and a straight portion of a line or segment, as viewed from one side of the line or segment. According to the claimed invention, an inflection point is a transition point between a concave portion and a convex portion of a line or segment of the medial axis of the body.

The number of inflection points <NUM> of medial axis <NUM> of body <NUM> and/or an angle disposed between the two portions of the line or segment of medial axis <NUM> may vary depending upon a configuration of corner joint <NUM> and/or the size and/or locations of any obstructions <NUM> proximate to corner joint <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG> and <FIG>, sealant-applicator tip <NUM> also comprises notch <NUM>, extending along portion of body <NUM> from inlet opening <NUM>. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

Notch <NUM> provides for connection of sealant-applicator tip <NUM> to sealant-delivery nozzle <NUM>.

As one example, when the end of sealant-delivery nozzle <NUM> is inserted through inlet opening <NUM> and into channel <NUM>, notch <NUM> is configured to receive a protrusion (not illustrated) extending from sealant-delivery nozzle <NUM> to couple sealant-delivery nozzle <NUM> and sealant-applicator tip <NUM> together.

Referring generally to <FIG> and particularly to, e.g., <FIG>, sealant-applicator tip <NUM> also comprises opposed pair of teeth <NUM>, extending outwardly from body <NUM> proximate inlet opening <NUM>. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

Opposed pair of teeth <NUM> provide for connection of sealant-applicator tip <NUM> to sealant-delivery nozzle <NUM>.

As one example, when the end of sealant-delivery nozzle <NUM> is inserted through inlet opening <NUM> and into channel <NUM>, opposed pair of teeth <NUM> are configured to engage a corresponding pair of recesses (not illustrated) formed in sealant-delivery nozzle <NUM> to couple sealant-delivery nozzle <NUM> and sealant-applicator tip <NUM> together.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, <FIG>, and <FIG>, fourth edge <NUM> of fourth face <NUM> of head <NUM> is linear. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

Fourth edge <NUM> being linear positions fourth edge <NUM> in virtual flat plane <NUM>.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, <FIG>, <FIG>, <FIG>, and <FIG>, fifth edge <NUM> of head <NUM> is linear. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

Fifth edge <NUM> being linear positions fifth edge <NUM> oblique to virtual flat plane <NUM>.

In one example, fifth edge <NUM> is non-linear.

Referring generally to <FIG> and particularly to, e.g., <FIG>, <FIG>, <FIG>, <FIG>, <FIG>, and <FIG>, sixth edge <NUM> of head <NUM> is linear. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to any one of examples <NUM> to <NUM>, above.

Sixth edge <NUM> being linear positions sixth edge <NUM> oblique to virtual flat plane <NUM>.

In one example, sixth edge <NUM> is non-linear.

Referring generally to, e.g., <FIG> and <FIG> and particularly to <FIG>, method <NUM> of applying sealant material <NUM> to corner joint <NUM>, formed by first planar surface <NUM> and second planar surface <NUM>, is disclosed. Method <NUM> comprises (block <NUM>) positioning sealant-applicator tip <NUM> relative to corner joint <NUM> such that first planar face <NUM> of sealant-applicator tip <NUM> is in flush surface contact with and parallel to one of first planar surface <NUM> or second planar surface <NUM> and second planar face <NUM> of sealant-applicator tip <NUM> is in flush contact with and parallel to another one of first planar surface <NUM> or second planar surface <NUM>. Method <NUM> also comprises (block <NUM>) advancing sealant-applicator tip <NUM> in first direction <NUM> along corner joint <NUM> while supplying sealant material <NUM> to corner joint <NUM> through channel <NUM> of sealant-applicator tip <NUM> and shaping sealant material <NUM>, supplied to corner joint <NUM>, with seventh edge <NUM> of sealant-applicator tip <NUM> to form first bead <NUM> of sealant material <NUM>. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure.

Sealant material <NUM> may accordingly be accurately applied to corner joint <NUM> to form first bead <NUM> resulting from one continuous linear movement of sealant-applicator tip <NUM> along corner joint <NUM> in first direction <NUM>.

Use of sealant-applicator tip <NUM> allows for sealant material <NUM> to be applied to corner joint <NUM>, formed by first planar surface <NUM> and second planar surface <NUM>, in order to form first bead <NUM>. First bead <NUM> includes first-bead surface <NUM>. Maintaining sealant-applicator tip <NUM> in position relative to and engaged with corner joint <NUM> and advancing sealant-applicator tip <NUM> along corner joint <NUM>, in one continuous linear movement in first direction <NUM>, forms first bead <NUM> (e.g., shapes first-bead surface <NUM>). Sealant material <NUM> is supplied through channel <NUM> of sealant-applicator tip <NUM> and applied to corner joint <NUM>. When sealant-applicator tip <NUM> is advanced along corner joint <NUM> in first direction <NUM>, sealant material <NUM> is simultaneously applied to corner joint <NUM> and immediately shaped by seventh edge <NUM> to form first bead <NUM> (e.g., first-bead surface <NUM>).

Referring generally to, e.g., <FIG> and <FIG> and particularly to <FIG>, method <NUM> also comprises (block <NUM>) advancing sealant-applicator tip <NUM> in second direction <NUM> along corner joint <NUM>, opposite first direction <NUM>, while supplying sealant material <NUM> to corner joint <NUM> through channel <NUM> of sealant-applicator tip <NUM> and shaping sealant material <NUM>, supplied to corner joint <NUM>, with third edge <NUM> of sealant-applicator tip <NUM> to form second bead <NUM> of sealant material <NUM>, covering first bead <NUM> of sealant material <NUM>. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to example <NUM>, above.

Following formation of first bead <NUM>, sealant material <NUM> may accordingly be accurately applied to corner joint <NUM> to form second bead <NUM>, covering first bead <NUM>, resulting from one continuous linear movement of sealant-applicator tip <NUM> along corner joint <NUM> in second direction <NUM>, opposite first direction <NUM>, without removing or disengaging sealant-applicator tip <NUM> from corner joint <NUM>.

Use of sealant-applicator tip <NUM> allows for sealant material <NUM> to be applied to corner joint <NUM>, formed by first planar surface <NUM> and second planar surface <NUM>, in order to form second bead <NUM>, covering directly over top of first bead <NUM>. Second bead <NUM> includes second-bead surface <NUM> extending between first planar surface <NUM> and second planar surface <NUM> and completely covering first-bead surface <NUM>. Maintaining sealant-applicator tip <NUM> in position relative to and engaged with corner joint <NUM> and advancing sealant-applicator tip <NUM> along corner joint <NUM>, in one continuous linear movement in second direction <NUM>, opposite first direction <NUM>, forms second bead <NUM> (e.g., shapes second-bead surface <NUM>). Sealant material <NUM> is supplied through channel <NUM> of sealant-applicator tip <NUM> and applied to corner joint <NUM>. When sealant-applicator tip <NUM> is advanced along corner joint <NUM> in second direction <NUM>, sealant material <NUM> is simultaneously applied to corner joint <NUM> and immediately shaped by third edge <NUM> to form second bead <NUM> (e.g., second-bead surface <NUM>).

Referring generally to, e.g., <FIG> and <FIG> and particularly to <FIG>, according to method <NUM>, (block <NUM>) third edge <NUM> of sealant-applicator tip <NUM> is linear. Additionally, according to method <NUM>, (block <NUM>) shaping sealant material <NUM>, supplied to corner joint <NUM>, with third edge <NUM> of sealant-applicator tip <NUM> to form second bead <NUM> of sealant material <NUM>, covering first bead <NUM> of sealant material <NUM>, comprises forming second-bead surface <NUM> of second bead <NUM>, extending from first planar surface <NUM> to second planar surface <NUM>. Additionally, according to method <NUM>, (block <NUM>) second-bead surface <NUM> is planar. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to example <NUM>, above.

When sealant material <NUM> is supplied through channel <NUM> of sealant-applicator tip <NUM> and sealant-applicator tip <NUM> is advanced along corner joint <NUM> in second direction <NUM>, sealant-applicator tip <NUM> allows sealant material <NUM> to be simultaneously applied to corner joint <NUM> and second-bead surface <NUM>, covering first-bead surface <NUM>, to be immediately formed by third edge <NUM>. The linear third edge <NUM> forms the planar second-bead surface <NUM>.

Referring generally to, e.g., <FIG> and <FIG> and particularly to <FIG>, according to method <NUM>, (block <NUM>) third edge <NUM> of sealant-applicator tip <NUM> is non-linear. Additionally, according to method <NUM>, (block <NUM>) shaping sealant material <NUM>, supplied to corner joint <NUM>, with third edge <NUM> of sealant-applicator tip <NUM> to form second bead <NUM> of sealant material <NUM>, covering first bead <NUM> of sealant material <NUM>, comprises forming second-bead surface <NUM> of second bead <NUM>, extending from first planar surface <NUM> to second planar surface <NUM>. Additionally, according to method <NUM>, (block <NUM>) second-bead surface <NUM> is convex. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to example <NUM>, above.

When sealant material <NUM> is applied through channel <NUM> of sealant-applicator tip <NUM> and sealant-applicator tip <NUM> is advanced along corner joint <NUM> in second direction <NUM>, sealant-applicator tip <NUM> allows sealant material <NUM> to be simultaneously applied to corner joint <NUM> and second-bead surface <NUM>, covering first-bead surface <NUM>, to be immediately formed by third edge <NUM>. The non-linear third edge <NUM> forms the convex second-bead surface <NUM>.

Referring generally to, e.g., <FIG> and <FIG> and particularly to <FIG>, according to method <NUM>, (block <NUM>) third edge <NUM> of sealant-applicator tip <NUM> is non-linear. Additionally, according to method <NUM>, (block <NUM>) shaping sealant material <NUM>, supplied to corner joint <NUM>, with third edge <NUM> of sealant-applicator tip <NUM> to form second bead <NUM> of sealant material <NUM>, covering first bead <NUM> of sealant material <NUM>, comprises forming second-bead surface <NUM> of second bead <NUM>, extending from first planar surface <NUM> to second planar surface <NUM>. Additionally, according to method <NUM>, (block <NUM>) second-bead surface <NUM> is concave. The preceding subject matter of this paragraph characterizes example <NUM> of the present disclosure, wherein example <NUM> also includes the subject matter according to example <NUM>, above.

When sealant material <NUM> is applied through channel <NUM> of sealant-applicator tip <NUM> and sealant-applicator tip <NUM> is advanced along corner joint <NUM> in second direction <NUM>, sealant-applicator tip <NUM> allows sealant material <NUM> to be simultaneously applied to corner joint <NUM> and second-bead surface <NUM>, covering first-bead surface <NUM>, to be immediately formed by third edge <NUM>. The non-linear third edge <NUM> forms the concave second-bead surface <NUM>.

Examples of the present disclosure may be described in the context of aircraft manufacturing and service method <NUM> as shown in <FIG> and aircraft <NUM> as shown in <FIG>. During pre-production, illustrative method <NUM> may include specification and design (block <NUM>) of aircraft <NUM> and material procurement (block <NUM>). During production, component and subassembly manufacturing (block <NUM>) and system integration (block <NUM>) of aircraft <NUM> may take place. Thereafter, aircraft <NUM> may go through certification and delivery (block <NUM>) to be placed in service (block <NUM>). While in service, aircraft <NUM> may be scheduled for routine maintenance and service (block <NUM>). Routine maintenance and service may include modification, reconfiguration, refurbishment, etc. of one or more systems of aircraft <NUM>.

Each of the processes of illustrative method <NUM> may be performed or carried out by a system integrator, a third party, and/or an operator (e.g., a customer). For the purposes of this description, a system integrator may include, without limitation, any number of aircraft manufacturers and major-system subcontractors; a third party may include, without limitation, any number of vendors, subcontractors, and suppliers; and an operator may be an airline, leasing company, military entity, service organization, and so on.

As shown in <FIG>, aircraft <NUM> produced by illustrative method <NUM> may include airframe <NUM> with a plurality of high-level systems <NUM> and interior <NUM>. Examples of high-level systems <NUM> include one or more of propulsion system <NUM>, electrical system <NUM>, hydraulic system <NUM>, and environmental system <NUM>. Any number of other systems may be included. Although an aerospace example is shown, the principles disclosed herein may be applied to other industries, such as the automotive industry. Accordingly, in addition to aircraft <NUM>, the principles disclosed herein may apply to other vehicles, e.g., land vehicles, marine vehicles, space vehicles, etc..

Apparatus(es) and method(s) shown or described herein may be employed during any one or more of the stages of the manufacturing and service method <NUM>. For example, components or subassemblies corresponding to component and subassembly manufacturing (block <NUM>) may be fabricated or manufactured in a manner similar to components or subassemblies produced while aircraft <NUM> is in service (block <NUM>). Also, one or more examples of the apparatus(es), method(s), or combination thereof may be utilized during production stages <NUM> and <NUM>, for example, by substantially expediting assembly of or reducing the cost of aircraft <NUM>. Similarly, one or more examples of the apparatus or method realizations, or a combination thereof, may be utilized, for example and without limitation, while aircraft <NUM> is in service (block <NUM>) and/or during maintenance and service (block <NUM>).

Different examples of the apparatus(es) and method(s) disclosed herein include a variety of components, features, and functionalities. It should be understood that the various examples of the apparatus(es) and method(s) disclosed herein may include any of the components, features, and functionalities of any of the other examples of the apparatus(es) and method(s) disclosed herein in any combination, and all of such possibilities are intended to be within the scope of the present disclosure.

Many modifications of examples set forth herein will come to mind to one skilled in the art to which the present disclosure pertains having the benefit of the teachings presented in the foregoing descriptions and the associated drawings.

Claim 1:
A sealant-applicator tip (<NUM>), comprising:
a body (<NUM>), having a plane of symmetry (<NUM>), wherein the body (<NUM>) comprises an inlet opening (<NUM>) and a medial axis (<NUM>), comprising at least one inflection point (<NUM>);
a head (<NUM>), extending from the body (<NUM>) opposite the inlet opening (<NUM>), wherein the head (<NUM>) comprises:
a first planar face (<NUM>), comprising a first linear edge (<NUM>);
a second planar face (<NUM>), oriented at a first non-zero angle (<NUM>) to the first planar face (<NUM>) and comprising a second linear edge (<NUM>), wherein the first linear edge (<NUM>) of the first planar face (<NUM>) and the second linear edge (<NUM>) of the second planar face (<NUM>) lie in a virtual flat plane (<NUM>);
a third face (<NUM>), separating the first planar face (<NUM>) from the second planar face (<NUM>), wherein the third face (<NUM>) comprises a third edge (<NUM>), wherein the third edge (<NUM>) lies in the virtual flat plane (<NUM>);
a fourth face (<NUM>), comprising a fourth edge (<NUM>);
a fifth edge (<NUM>), shared by the first planar face (<NUM>) and the fourth face (<NUM>);
a sixth edge (<NUM>), shared by the second planar face (<NUM>) and the fourth face (<NUM>);
a seventh edge (<NUM>), shared by the third face (<NUM>) and the fourth face (<NUM>)
an eighth edge (<NUM>) shared between the first planar face (<NUM>) and the third face (<NUM>); and
an outlet opening (<NUM>), formed in the third face (<NUM>), wherein the outlet opening (<NUM>) is in communication with the inlet opening (<NUM>) of the body (<NUM>); and
a channel (<NUM>), extending from the inlet opening (<NUM>) of the body (<NUM>) to the outlet opening (<NUM>) of the head (<NUM>); wherein
the at least one inflection point is a transition point between a concave portion and a convex portion of a line or segment of the medial axis of the body.