Patent Publication Number: US-11653739-B1

Title: Applicator head for a fluid product

Description:
BACKGROUND 
     Field 
     The present disclosure relates to an applicator head for a fluid product, such as a cosmetic product or medicinal product, and intended to be associated with a cosmetic dispensing package, such as a pump, a valve, or a flexible tube. The applicator head is at least partially made of a thermal material which offers a thermal effect to create a cold sensation upon application. 
     Description of the Related Art 
     There are packages for the distribution of cosmetic and medicinal products. Such packages usually consist of an outer shell or tubular casing, a dispensing mechanism for moving cosmetic or medicinal products, and an applicator tip. For example, in the medical industry, applicators are used to apply medicinal products such as ointments to different parts of the body. In the cosmetics and personal care industry, applicators are used to apply lipstick, lip balm, skin creams, lotions and other cosmetic products to parts of the body. 
     In many cases, these medicinal and cosmetic products may include skincare substances such as aloe vera or lanolin, which provide a healing or therapeutic effect to heal damaged skin or maintain healthy skin. In addition, these products may include therapeutic substances such as local anesthetics, painkillers, fragrances, menthol, or other substances that provide a supple or stimulating sensation when applied to the skin of a skin user. In addition to skincare substances, heat treatments (for example the application of heat and/or cold) are known to relieve pain, to provide a therapeutic sensation, and to slow down the body&#39;s natural response to injury resulting in a slower and more controlled healing process. 
     In the fields of cosmetics and pharmacy, cosmetic dispensing package already exist comprising a fluid reservoir associated with a rigid and heat-transfer dispenser head for putting into contact with the skin, in particular the skin of the face. Documents US U.S. Pat. No. 8,573,874B2, and U.S. Pat. No. 8,292,535B2 are known, for example. The head forms an applicator pad from which a dispenser opening opens out. The user actuates the dispenser so as to dispense a dose of fluid, and then spreads it by means of the applicator pad which provides a massaging effect and above all a cold sensation on contact with the skin which is very pleasant. 
     In document U.S. Pat. No. 8,292,535B2, the pad that is made of metal or ceramic defines a borehole in which a plastics insert is received that forms an outlet duct and the dispenser opening. As a result, the fluid that is dispensed is never in contact with the borehole, but the opening is visibly formed by a part (the insert) that is distinct from the pad, which is not particularly attractive. 
     In document U.S. Pat. No. 8,573,874B2, the pad includes a frustoconical dispenser passage defining, on its inner face, a very wide inlet, and on its outer face, a dispenser opening. The fluid that is dispensed comes into contact with the entire frustoconical passage and cools on contact therewith. It can also be said that the fluid heats the pad as a result of extended contact. 
     Still, there is a need for an applicator head that is capable of providing a thermal treatment to user&#39;s skin and is economical to manufacture, and aesthetically pleasing. 
     SUMMARY 
     It is an object of the present disclosure to provide an applicator head intended to be associated with a cosmetic dispensing package, such as a pump, a valve or a flexible tube. 
     It is an object of the present disclosure to provide an applicator head at least partially made of a material with thermal capacity, which is capable of retaining and transferring thermal energy. 
     It is an object of the present disclosure to provide an applicator head allowing a fluid product to be applied locally or topically to a selected area of a keratin surface and providing a thermal sensation to the keratin surface. 
     It is an object of the present disclosure to provide an applicator head which offers a comparatively large surface area, very simple to use, economical to manufacture, and aesthetically pleasing. Further, an applicator head is desired which is comfortable and easier to use. 
     Accordingly, there is provided an applicator head that comprises a first applicator member and a second applicator member made of a thermal material coupled to the first applicator member. An applicator surface of the applicator head is partially defined by the first applicator member and partially by the second applicator member. The applicator surface is convex and includes a recessed concavity that is partially made of the first applicator member and partially made of the second applicator member. A product delivery passageway extends through the first applicator member and terminates at a discharge opening in the recessed concavity. The recessed concavity forms a receptacle to collect a fluid product dispensed out from the discharge opening. 
     According to an embodiment of the present disclosure, there is provided a cosmetic dispensing package comprising a housing, the applicator head coupled to one end of the housing, and a cap configured to be coupled to the housing when the cosmetic dispensing package is not in use. This cosmetic dispensing package extends longitudinally along a longitudinal axis. 
     According to an embodiment of the present disclosure, a longitudinal axis of the applicator head coincides with the longitudinal axis of the cosmetic package. However, in alternate embodiments, the longitudinal axis of the applicator head may not coincide with the central longitudinal axis of the cosmetic package. 
     In the present implementation, the housing is configured to receive an inner container having a reservoir for containing a fluid product including a cosmetic, care, or pharmaceutical product. The cosmetic, care, or pharmaceutical product includes viscous cosmetics, mascara, eyebrow powder, lip gloss, hair color, cheek blush, skincare, under-eye cosmetics, pharmaceutical, and like products. 
     According to an embodiment of the present disclosure, the applicator head includes the first applicator member and the second applicator member coupled to one side of the first applicator member. The applicator head includes the applicator surface defined by an upper surface of the applicator head. The applicator surface is adapted to apply and dispense the fluid product. More particularly, the applicator surface of the applicator head is defined by an upper surface of the first applicator member together with an upper surface of the second applicator member. 
     Further, the product delivery passageway extends through the body of the first applicator member, terminating at a discharge opening in the applicator surface through which a fluid product is dispensed. 
     According to an aspect of the present disclosure, the second applicator member is made of a material different from the material of the first applicator member. The second applicator member is made of a thermal material with high thermal effusivity compared to that of the user&#39;s surface to be treated. The thermal effusivity of the second applicator member is higher than that of the first applicator member. More particularly, the second applicator member is made of a material capable of holding and retaining a thermal charge. In one implementation, the second applicator member can be made of stainless steel. However, in other implementations, any suitable material may be used that is capable of retaining heat or cold during the application of the fluid product. Examples of other suitable materials include, without limitation, metals (e.g., aluminum, titanium, steel, nickel, tin, copper, brass, alloys thereof, etc.), ceramics, high-density plastics, composites, or the like. 
     The first applicator member may be made of a thermoplastic polymer, for example, which is non-reactive with the fluid product stored in the housing. In other implementations, the first applicator member may be made of virtually any other material that is non-reactive or resistant to the fluid product being dispensed, such as various metals, plastics, ceramics, composites, or the like. Preferably, the first applicator member may be made of polyethylene, polypropylene, ABS, silicon, or any other suitable material. PVC, PU, EVA, SIS-SEB, nitrile, silicone, EPDM, Hytrel®, Pebax®, Santoprene®, or other thermoplastics, elastomers, this list not being limiting. According to an embodiment of the present disclosure, at least a part and preferably the complete first applicator member can be made by molding, e.g. by injection molding. 
     According to an aspect of the present disclosure, the applicator surface is convex (in a longitudinal direction) and angled. The applicator surface is curvilinear or curving in an ever-changing slope to allow for easy spreading of the fluid product on the skin of a user. Further, the changeable radius curvature or continuously changing angle of the sloped applicator surface facilitates even distribution and easy application of the fluid product. In the present embodiment, a peripheral edge of the applicator surface of the applicator head is rounded for comfort during the application. In alternate embodiments, the peripheral edge of the applicator surface may not be rounded. 
     According to another aspect of the present disclosure, the discharge opening is located within a recessed concavity formed on the applicator surface. The recessed concavity creates a suitable surface or a receptacle to collect the fluid product dispensed out from the discharge opening. Further, the recessed concavity is an indentation into the applicator surface with the discharge opening formed therein. 
     According to yet another aspect of the present disclosure, the applicator surface and the recessed concavity both are angled with respect to the longitudinal axis of the applicator head. The applicator surface has a longitudinal axis that is inclined relative to the longitudinal axis of the applicator head, in particular by an angle β between 15° and 75°, and preferably between 55-70°. This design facilitates the application of the applicator surface to the user&#39;s skin. 
     According to yet another aspect of the present disclosure, the recessed concavity has a sufficient depth so that excess fluid product can be held therein. The recessed concavity extends over more than a quarter of the width of the applicator surface as well as over more than a quarter of its length. This dimension is suitable for storing a makeup product. The recessed concavity is farther from a proximal end of the applicator surface and is close to a distal end of the applicator surface. The recessed concavity has a maximum depth of dimension such that is easier to empty the recessed concavity on contact with the skin. The maximum depth of the recessed concavity, measured along a median longitudinal plane containing the longitudinal axis of the applicator head, is less than equal to 1 mm and between 0.5 mm to 1 mm. 
     According to yet another aspect of the present disclosure, the dimensions of the recessed concavity can be chosen as a function of the quantity of product which it is desired to have optionally retained. Preferably, the dimensions of the recessed concavity and of the applicator surface are the following, when the recessed concavity is viewed in a top view, the maximum width of the recessed concavity, measured perpendicular to the longitudinal axis of the applicator surface, is between 2 mm and 7 mm, and preferably between 3 mm and 6 mm, the maximum length of the recessed concavity, measured along the longitudinal axis of the applicator surface is between 6 mm and 10 mm, and preferably between 6 mm and 8 mm, the maximum width of the applicator surface, measured perpendicular to the longitudinal axis of the applicator surface, is between 5 mm and 15 mm, and preferably between 8 mm and 12 mm, the length of the applicator surface, measured along the longitudinal axis of the applicator surface, is between 10 mm and 18 mm, and preferably between 11 mm and 15 mm. 
     According to yet another aspect of the present disclosure, the applicator head has a generally elongated shape symmetrical with respect to a median longitudinal plane containing the longitudinal axes of the applicator head and the applicator surface. The recessed concavity on the applicator surface is elongated along a longitudinal axis of the applicator surface and has shape, for example, oval, elliptical, or oblong. The recessed concavity is bordered by a peripheral surface whose width may vary from, 0.6 mm to 0.2 mm. According to a preferred embodiment, the applicator surface has an elliptical shape. 
     According to yet another aspect of the present disclosure, the second applicator member is coupled to one side of the first applicator member to define the applicator head such that an outer surface of the first applicator member and an outer surface of the second applicator member meet at an interface. The first applicator member and a second applicator member are aligned such that the applicator head is substantially smooth and continuous across an interface. Further, in the embodiment under consideration, the upper surface of the first applicator member and the upper surface of the second applicator member meet at the interface defined on the applicator surface. 
     Further, a first portion of the recessed concavity is formed on the first applicator member and a second portion of the recessed concavity is formed on the second applicator member such that when the first applicator member and the second applicator member are coupled the first and second portions of the recessed concavity align to complete the recessed concavity. At least a portion of the interface of the first applicator member and the second applicator member lies in the recessed concavity on the applicator surface. 
     Furthermore, the discharge opening of the applicator head is positioned in the first portion of the recessed concavity of the first applicator member and is spaced away from the interface located in the recessed concavity. 
     According to yet another aspect of the present disclosure, the recessed concavity has a maximum depth defined at the interface. Therefore, when the product is dispensed out from the discharge opening the fluid product starts gravitating towards the interface before filling up the recessed concavity. The fluid product gets cooled in the recessed concavity by the second portion of the recessed concavity that is made of the thermal material of the second applicator member. 
     Furthermore, at least 60% of the applicator surface is constituted by the upper surface of the second applicator member and at least 20% of the applicator surface is constituted by the upper surface of the first applicator member. The large upper surface of the second applicator member provides a thermal sensation to the user&#39;s skin and allows the users to massage a larger area of the keratinous surface. 
     When the fluid product is applied, the user can bring the fluid product contained in the recessed concavity into contact with the skin. The applicator surface is used for applying the dispensed fluid product and as well as providing thermal sensation to the user&#39;s skin. The second applicator member allows the users to massage a larger area of the keratinous surface. 
     In a preferred embodiment, the applicator surface is elliptical. In alternate embodiments, however, the applicator surface may have any other suitable shape and size, surface finish desired for a given application. 
     According to a preferred embodiment, the first applicator member comprises a lower portion that is cylindrical and includes at least one connecting feature on its external surface configured to be connected to the housing either directly or indirectly through a connecting collar. 
     Further, an upper portion of the first applicator member gradually tapers asymmetrically from a proximal end to a distal end portion thereof such that the upper portion of the first applicator member is off-centered with respect to the longitudinal axis of the applicator head. The upper portion of the first applicator member includes the upper surface and has at least one sidewall that depends downward from the upper surface. 
     Further, the at least one sidewall of the first applicator member includes at least two opposite faces namely a front sidewall, a rear sidewall opposite to the front face, a left sidewall and a right sidewall. An outer surface of the rear sidewall is concavely curved along a longitudinal direction. An outer surface of the front sidewall has a convex curve that is followed by a concave curve when seen from a proximal end to a distal end of the front face. The front sidewall further includes at least two coupling protrusions that are spaced apart axially on the front sidewall. 
     According to yet another aspect of the present disclosure, the product delivery passageway extending through the first applicator member is non-linear. More particularly, a lower portion of the product delivery passageway extending through the lower portion of the first applicator member is parallel to the longitudinal axis of the applicator head, and an upper portion of the product delivery passageway extending through the upper portion of the first applicator member is non-parallel and inclined with respect to the longitudinal axis of the applicator head. 
     According to yet another aspect of the present disclosure, the upper portion of the product delivery passageway has a narrower width than the width of the lower portion of the product delivery passageway. 
     According to a preferred embodiment of the present disclosure, the second applicator member comprises the upper surface and a peripheral wall that depends downward from the upper surface. The peripheral wall of the second applicator member is open on one side. Particularly, the peripheral wall includes a left side wall, a front sidewall, and a right sidewall. Further, the peripheral wall is open on the rear side opposite the front sidewall of the second applicator member. Each of the left and right sidewalls of the second applicator member is generally triangular that becomes narrower downward. The upper surface of the second applicator member is convexly curved along the longitudinal axis of the applicator surface. The second portion of the recessed concavity is located adjacent to a rear edge of the second applicator member and is recessed from the upper surface. 
     According to yet another aspect of the present disclosure, the second applicator member includes at least two coupling grooves that protrude transversely to the longitudinal axis of the applicator head from an inner surface of the front side wall towards a rear opening of the second applicator member. Further, the front sidewall of the first applicator member includes at least two coupling protrusions that are received in corresponding at least two coupling grooves of the second applicator member, in order to couple the second applicator member with the first applicator member. The two coupling protrusions may be closely spaced or remotely spaced from each other. Additionally, each coupling protrusion primarily secures precisely by means of snap or interference/fitment with the respective coupling groove. Additionally, the two coupling grooves can be constructed of any diameter and depth corresponding to the dimensions of the two coupling protrusions. In alternate embodiments, the second applicator member may be secured to the first applicator member on the front sidewall of the first applicator member, for example, by a press-fit, snap-fit, adhesive, and/or engagement by one or more engagement features or by any other means of engagement known in the art. 
     The cosmetic dispensing package in accordance with an embodiment of the present disclosure, comprises the housing, the inner container, a button unit, the applicator head, and a pump assembly. The cosmetic dispensing package further comprises a cap. The inner container, the applicator head, and the pump assembly are connected to the housing, and the button unit is connected to the inner container. The inner container stores the fluid product (not shown) which is to be applied on a keratinous surface, wherein the fluid product is selected from at least one of the cosmetic fluid products or medicinal liquid products. The fluid product stored in the inner container is a flowable fluid product e.g. a solution, suspension, a viscous liquid, etc. The cap is detachably mounted on the neck of the housing to prevent the accumulation of dirt and dust on the applicator head. The cap and the housing may be coupled using any suitable engagement means capable of removably coupling the cap and the housing for e.g. snap fitment, j-lock, magnetic engagement, screw threads, etc. 
     The button unit is located at a proximal end of the inner container and is connected by a snap fitment to the inner container. Further, the body of the button unit remains outside of the housing and is accessible to a user for pushing the inner container along the longitudinal axis while using the cosmetic package. The inner container is configured to move in an upward and downward direction along the longitudinal axis of the housing. Preferably, the inner container is detachably fitted within the housing. 
     A piston tightly fits inside the inner container at the proximal end of the inner container. The piston is movable along the longitudinal axis of the inner container and reaches near the distal end of the inner container when the fluid product inside the inner container is completely used up. 
     The pump assembly is disposed at the distal end of the inner container. Further, a lower portion of the pump assembly is housed inside a hollow cavity of the inner container while an upper portion of the pump assembly is housed inside the hollow cavity of the housing. The pump assembly is preferably a vacuum sealed pump assembly. The vacuum sealed pump assembly further includes a receptacle, a vacuum sealed member, a check valve, and a conduit. The check valve is disposed on the proximal end of the receptacle. The check valve allows a one-way suction of the liquid product stored inside the inner container, wherein the one-way suction is typically from a proximal end to a distal end of the pump assembly. 
     In an embodiment, the pump assembly comprises a holder detachably connected to the inner container. An insert is disposed on the distal end of the holder such that the holder is slidable with respect to the insert and is configured to move inside a hollow cavity of the upper portion of the holder. The insert houses a spring member and the conduit which is disposed inside the vacuum sealed member. The spring member biases the inner container in the downward direction. 
     Further, the insert is fixedly connected to a lower portion of the applicator head in such a way that a lower portion of the product delivery passageway is aligned with the conduit of the pump assembly forming a passage that allows the flow of the fluid product from the receptacle. The product delivery passageway is aligned with the conduit of the pump assembly to form a single passageway for carrying the fluid product from the inner container to the applicator head. 
     According to the embodiment, a distal opening at the open distal end of the housing is enclosed by a lower end of the connecting collar. The inner surface of the connecting collar is connected to the outer surface at the distal end of the housing by snap fitment. It would not be outside the scope of present disclosure if the connecting collar is connected to the housing by a threaded engagement, a magnetic engagement, and the like. Further, the connecting collar is connected to the applicator head by a snap fitment. The lower portion of the first applicator member comprises at least one connecting groove on its external surface which receives an internal protrusion of the connecting collar for snap-fitment. It would not be outside the scope of present disclosure if the connecting collar is connected to the applicator head by a threaded engagement, a magnetic engagement, and the like. 
     During use, the user applies pushing force on the button unit pushes the inner container in the upward direction in the housing which in turn pushes the holder and the receptacle of the pump assembly in the upward direction resulting in compression of the spring member between the holder and the insert of the pump assembly. The compression of the spring member towards the insert causes the vacuum sealed member to move in the upward direction and open an orifice present in the conduit of the pump assembly resulting in the flow of fluid product from the receptacle to the passageway of the conduit. Further, the fluid product flows from the co-axially aligned passageways of the conduit of the pump assembly and the product delivery passageway of the applicator head. 
     As the push force from the button unit is released, the inner container moves in a downward direction, and the spring member again expands creating a suction force that causes the check valve to open, and the fluid product from the inner container enters the receptacle of the pump assembly and simultaneously the piston of the inner container travels in the upward direction due to the force generated. The piston displaces in the upward direction up to a certain height equivalent to balance the pressure created inside the inner container. The displacement of the piston allows the movement of the fluid product towards the distal end of the inner container. The fluid product now available in the receptacle of the pump assembly can be dispensed again through the applicator head by pushing the button unit. The fluid product released from the applicator head can be applied to the skin of the user. The applicator head applies the liquid product on the surface of the user&#39;s skin, lips, eyes, and the like. 
     In other alternate embodiments, the pump assembly may be a dip tube assembly or any other assembly capable of sucking product from the inner container to the actuator. 
     In the current embodiment, a delivery mechanism for dispensing a fluid product is an airless pump with a replaceable inner container. In other implementations, any type of airless pump may be employed. However, in yet other implementations, any suitable delivery mechanism may be used. 
     The following is a discussion of examples, without limitation, of delivery mechanisms for dispensing a fluid product. The first example may be implemented using a click or a reverse click operation, whereby the user may operate the cosmetic dispensing package by moving the applicator head relative to the housing in either a clockwise or counter clockwise direction. 
     Another example delivery mechanism for dispensing the fluid product maybe a squeeze operation. In certain embodiments wherein the delivery mechanism is a squeeze operation, when pressure is applied to the housing such as a tube containing the fluid product, the fluid product in the tube may be forced, by the squeezing action, through the applicator head via a product delivery passageway for application to the user&#39;s skin. 
     In yet another example, a delivery mechanism for dispensing the fluid product maybe by a pressurized dispenser, such as an aerosol dispenser. In certain embodiments wherein the delivery mechanism is an aerosol delivery mechanism, the composition will be held under pressure in housing and will be dispersed along with an aerosol propellant in response to actuation by a user. Actuation may be by depressing, rotating, tilting, or otherwise manipulating the applicator head, pressing a button, and/or by any other suitable dispensing mechanism. Details of the construction and propellant of an aerosol dispenser are within the skill of one of ordinary skill in the art and will, therefore, not be described in detail herein. 
     According to an aspect of the present disclosure, the cosmetic dispensing package is of an elongated cylindrical configuration. However, in alternate embodiments, the cosmetic dispensing package may be of an elongated square, polygonal configuration, oval, triangular, heart, or any other configuration known in the art. 
     According to an embodiment, the housing, the inner container, and the cap may be made of a rigid material like glass, metal, hard plastic, a biodegradable material, or any other material known in the art. However, in alternate embodiments, the housing and the cap may be made of a flexible material like flexible polymeric material or any other material known in the art. 
     The present disclosure is not limited to, the broadest in accordance with the basic idea disclosed herein. It should be interpreted as having a range. Skilled artisans may implement the pattern of the non-timely manner by combining, replacement of the disclosed embodiments shape, this would also do not depart from the scope of the disclosure. In addition, those skilled in the art may readily change or modify to the disclosed embodiments, based on the present specification, such changes or modifications also belong to the scope of the present disclosure will be apparent. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       A more complete appreciation of the present disclosure and many of the attendant advantages thereof will be readily obtained as the same becomes better understood by reference to the following detailed description when considered in connection with the accompanying drawings, wherein: 
         FIG.  1    illustrates a front view of a cosmetic dispensing package according to a preferred embodiment of the present disclosure; 
         FIG.  2    illustrates a longitudinal cross sectional view of the cosmetic dispensing package of  FIG.  1   ; 
         FIG.  3    illustrates an isometric exploded view of the cosmetic dispensing package of  FIG.  1   ; 
         FIG.  4    illustrates an isometric view of an applicator head of the cosmetic dispensing package of  FIG.  1   ; 
         FIG.  5    illustrates a side view of the applicator head of  FIG.  4   ; 
         FIG.  6    illustrates a top view of the applicator head of  FIG.  4   ; 
         FIG.  7    illustrates a front view of the applicator head of  FIG.  4   ; 
         FIG.  8    illustrates a cross sectional view of the applicator head of  FIG.  4   ; 
         FIG.  9    illustrates an isometric view of a first applicator member of the applicator head of  FIG.  4   ; 
         FIG.  10    illustrates a front side view of the first applicator member of  FIG.  9   ; 
         FIG.  11    illustrates a cross sectional view of the first applicator member of  FIG.  9   ; 
         FIG.  12    illustrates a side view of the first applicator member of  FIG.  9   ; 
         FIG.  13    illustrates an isometric view of a second applicator member of the applicator head of  FIG.  4   ; 
         FIG.  14    illustrates a front view of the second applicator member of  FIG.  13   ; 
         FIG.  15    illustrates a cross sectional view of the second applicator member of  FIG.  13   ; and 
         FIG.  16    illustrates a back view of the second applicator member of the  FIG.  13   . 
     
    
    
     DETAILED DESCRIPTION 
     As shown throughout the drawings, like reference numerals designate like or corresponding parts. While illustrative embodiments of the present disclosure have been described and illustrated above, it should be understood that these are exemplary of the disclosure and are not to be considered as limiting. Additions, deletions, substitutions, and other modifications can be made without departing from the spirit or scope of the present disclosure. Accordingly, the present disclosure is not to be considered as limited by the foregoing description. 
     Throughout this specification, the terms “comprise,” “comprises,” “comprising” and the like, shall consistently mean that a collection of objects is not limited to those objects specifically recited. 
     A “median longitudinal plane” divides an element longitudinally into two equal and symmetrical parts. 
       FIGS.  1  to  3    show an illustrative cosmetic dispensing package  1000  according to a preferred embodiment of the present disclosure. The cosmetic dispensing package  1000  comprises a housing  500 , an applicator head  200  coupled to one end of the housing  500 , and a cap  100  configured to be coupled to the housing  500  when the cosmetic dispensing package is not in use. This cosmetic dispensing package  1 K) extends longitudinally along a longitudinal axis X. 
     According to an embodiment of the present disclosure, a longitudinal axis X of the applicator head  200  coincides with the longitudinal axis X of the cosmetic dispensing package  1000 . However, in alternate embodiments, the longitudinal axis X of the applicator head  200  may not coincide with the central longitudinal axis X of the cosmetic dispensing package  1000 . 
     In the present implementation, the housing  500  is configured to receive an inner container  700  having a reservoir  701  for containing a fluid product (not shown) including a cosmetic, care, or pharmaceutical product. The cosmetic, care, or pharmaceutical product includes viscous cosmetics, mascara, eyebrow powder, lip gloss, hair color, cheek blush, skincare, under-eye cosmetics, pharmaceutical, and like products. 
       FIGS.  4 - 8    shows the applicator head  200  according to an embodiment of the present disclosure. The applicator head  200  includes a first applicator member  210  and a second applicator member  220  coupled to one side of the first applicator member  210 . The applicator head  200  includes an applicator surface  230  defined by an upper surface of the applicator head  200 . The applicator surface  230  is adapted to apply and dispense the fluid product. More particularly, the applicator surface  230  of the applicator head  200  is defined by an upper surface  211  of the first applicator member  210  together with an upper surface  221  of the second applicator member  220 . 
     Further, a product delivery passageway  212  extends through the body of the first applicator member  210 , terminating at a discharge opening  213  in the applicator surface  230  through which a fluid product is dispensed, as shown in  FIG.  8   . 
     According to an aspect of the present disclosure, the second applicator member  220  is made of a material different from the material of the first applicator member  210 . The second applicator member  220  is made of a thermal material with high thermal effusivity compared to that of the user&#39;s surface to be treated. The thermal effusivity of the second applicator member  220  is higher than that of the first applicator member  210 . More particularly, the second applicator member  220  is made of a material capable of holding and retaining a thermal charge. In one implementation, the second applicator member  220  can be made of stainless steel. However, in other implementations, any suitable material may be used that is capable of retaining heat or cold during the application of the fluid product. Examples of other suitable materials include, without limitation, metals (e.g., aluminum, titanium, steel, nickel, tin, copper, brass, alloys thereof, etc.), ceramics, stones, high-density plastics, composites, or the like. 
     The first applicator member  210  may be made of a thermoplastic polymer, for example, which is non-reactive with the fluid product stored in the inner container  700 . In other implementations, the first applicator member  210  may be made of virtually any other material that is non-reactive or resistant to the fluid product being dispensed, such as various metals, plastics, ceramics, composites, or the like. Preferably, the first applicator member  210  may be made of polyethylene, polypropylene, ABS, silicon, or any other suitable material. PVC, PU, EVA, SIS-SEB, nitrile, silicone, EPDM, Hytrel®, Pebax®, Santoprene®, or other thermoplastics, elastomers, this list not being limiting. According to an embodiment of the present disclosure, at least a part and preferably the complete first applicator member  210  can be made by molding, e.g. by injection-molding. 
     Referring to  FIGS.  4 - 5   , the applicator surface  230  is convex (in a longitudinal direction) and angled. The applicator surface  230  is curvilinear or curving in an ever-changing slope to allow for easy spreading of the fluid product on the skin of a user. Further, the changeable radius curvature or continuously changing angle of the sloped applicator surface  230  facilitates even distribution and easy application of the fluid product. In the present embodiment, a peripheral edge of the applicator surface  230  of the applicator head  200  is rounded for comfort during the application, as shown in  FIG.  4   . In alternate embodiments, the peripheral edge of the applicator surface  230  may not be rounded. 
     Referring  FIG.  8   , the discharge opening  213  is located within a recessed concavity  240  formed on the applicator surface  230 . The recessed concavity  240  creates a suitable surface or a receptacle to collect the fluid product dispensed out from the discharge opening  213 . As shown in  FIG.  4   , the recessed concavity  240  is an indentation into the applicator surface  230  with the discharge opening  213  formed therein. As seen in  FIGS.  4  and  5   , the applicator surface  230  and the recessed concavity  240  both are angled with respect to the longitudinal axis X. The recessed concavity  240  has a sufficient depth so that excess fluid product can be held within the recessed concavity  240 . The recessed concavity  240  extends over more than a quarter of the width b of the applicator surface  230  as well as over more than a quarter of its length a, refer  FIG.  6   . This dimension is suitable for storing a makeup product. The recessed concavity  240  is farther from a proximal end  231  of the applicator surface  230  and is close to a distal end  232  of the applicator surface  230 , see  FIG.  6   . It has a maximum depth of dimension such that is easier to empty the recessed concavity  240  on contact with the skin. The maximum depth of the recessed concavity  240 , measured along a median longitudinal plane containing the longitudinal axis X, is less than equal to 1 mm, preferably between 0.5 mm to 1 mm. 
     As shown in  FIG.  5   , the applicator surface  230  has a longitudinal axis Z that is inclined relative to the longitudinal axis X of the cosmetic dispensing package  1000 , in particular by an angle β between 15 and 75°, and preferably between 55-70°. This design facilitates the application of the applicator surface  230  to the user&#39;s skin. 
     The applicator head  200  has a generally elongated shape symmetrical with respect to a median longitudinal plane containing the longitudinal axis X. The recessed concavity  240  on the applicator surface  230  is elongated along a longitudinal axis Z and has shape, for example, oval, elliptical, or oblong. The recessed concavity  240  is bordered by a peripheral surface  241  whose width varies from 0.6 mm to 0.2 mm. According to a preferred embodiment as shown in  FIGS.  5  and  6   , the applicator surface  230  has an elliptical shape elongated along the longitudinal axis Z. 
     The dimensions of the recessed concavity  240  can be chosen as a function of the quantity of product which it is desired to have optionally retained. Preferably, the dimensions of the recessed concavity  240  and of the applicator surface  230  are the following, when the recessed concavity  240  is viewed in the top view, the maximum width of the recessed concavity  240 , measured perpendicular to the longitudinal axis Z of the applicator surface  230 , is between 2 mm and 7 mm, and preferably between 3 mm and 6 mm, the maximum length of the recessed concavity  240 , measured along the longitudinal axis Z of the applicator surface  230  is between 6 mm and 10 mm, and preferably between 6 mm and 8 mm, the maximum width “b” (see  FIG.  6   ) of the applicator surface  230 , measured perpendicular to the longitudinal axis X of the is between 5 mm and 15 mm, and preferably between 8 mm and 12 mm, the length “a” (see  FIG.  6   ) of the applicator surface  230 , measured along the longitudinal axis Z of the applicator surface, is between 10 mm and 18 mm, and preferably between 11 mm and 15 mm. 
     The second applicator member  220  is coupled to one side of the first applicator member  210  to define the applicator head  200  such that an outer surface of the first applicator member  210  and an outer surface of the second applicator member  220  meet at an interface  260 . The first applicator member  210  and a second applicator member  220  are aligned such that the applicator head  200  is substantially smooth and continuous across an interface  260 . Further, in the embodiment under consideration, the upper surface  211  of the first applicator member  210  and the upper surface  221  of the second applicator member  220  meet at the interface  260  defined on the applicator surface  230 , see  FIG.  4   . 
     A first portion  240   a  of the recessed concavity  240  is formed on the first applicator member  210  and a second portion  240   b  of the recessed concavity  240  is formed on the second applicator member  220  such that when the first applicator member  210  and a second applicator member  220  are coupled the first and second portions  240   a .  240   b  of the recessed concavity  240  align to complete the recessed concavity  240 . The first portion  240   a  defines an upper portion of the recessed concavity  240  and the second portion  240   b  defines a lower portion of the recessed concavity  240 . At least a portion of the interface  260  of the first applicator member  210  and the second applicator member  220  lies in the recessed concavity  240  on the applicator surface  230 , as shown in  FIG.  4   . 
     The discharge opening  213  is positioned in the first portion  240   a  of the recessed concavity  240  in the first applicator member  210  and is spaced away from the interface  260  located in the recessed concavity  240 . The recessed concavity  240  has a maximum depth defined at the interface  260 . Therefore, when the product is dispensed out from the discharge opening  213  the fluid product starts gravitating towards the interface  260  before filling up the recessed concavity  240  and comes in contact with the thermal material of the second applicator member  220 . 
     Furthermore, at least 60% of the applicator surface  230  is constituted by the upper surface  221  of the second applicator member  220  and at least 20% of the applicator surface  230  is constituted by the upper surface  211  of the first applicator member  210 . The large upper surface  221  of the second applicator member  220  provides a thermal sensation to the user&#39;s skin and allows the users to massage a larger area of the keratinous surface. 
     When the fluid product is applied, the user can bring the fluid product contained in the recessed concavity  240  into contact with his/her skin. The applicator surface  230  is used for applying the dispensed fluid product and as well as providing thermal sensation to the user&#39;s skin. The second applicator member  220  allows the users to massage a larger area of the keratinous surface. 
     In this implementation, see  FIGS.  4  and  6   , the applicator surface  230  is shown as being elliptical in shape. In alternate embodiments, however, the applicator surface  230  may have any other suitable shape and size, surface finish desired for a given application. 
     Further,  FIGS.  9 - 12    show the first applicator member  210  according to a preferred embodiment. The first applicator member  210  comprises a lower portion  214  that is cylindrical and includes at least one connecting feature  215  on its external surface configured to be connected to the housing  500  either directly or indirectly through a connecting collar  300 . 
     An upper portion  216  of the first applicator member  210  makes an angle with respect to the longitudinal axis X of the applicator head  200 . When seen from the side view, the upper portion  216  of the first applicator member  210  gradually tapers asymmetrically from a proximal end to a distal end portion thereof such that the upper portion  216  of the first applicator member  210  is off-centered with respect to the longitudinal axis X of the applicator head  200  (see  FIG.  5   ). The upper portion  216  of the first applicator member  210  includes the upper surface  211  and has at least one sidewall  217  that depends downward from the upper surface  211 . 
     Referring to  FIGS.  10  and  11   , the at least one sidewall  217  includes at least two opposite faces namely a front sidewall  217   a , a rear sidewall  217   b , a left sidewall  217   c  and a right sidewall  217   d . An outer surface of the rear sidewall  217   b  is concavely curved along a longitudinal direction. An outer surface of the front sidewall  217   a  has a convex curve that is followed by a concave curve when seen from a proximal end to a distal end of the front face  217   a . The front sidewall  217   a  includes at least two coupling protrusions  218  that are spaced apart axially on the front sidewall  217   a . Each of the left sidewall  217   c  and the right sidewall  217   d  has a concave curve proximate its distal end and has a width that becomes generally narrower towards the distal end. Each of the front sidewall  217   a  and the rear sidewall  217   b  of the first applicator member  210  has a width that increases towards the distal end of the first applicator member  210 . 
     Referring to  FIG.  11   , the product delivery passageway  212  extending through the first applicator member  210  is non-linear. More particularly, a lower portion  212   a  of the product delivery passageway  212  extending through the lower portion  214  of the first applicator member  210  is parallel to the longitudinal axis X of the applicator head  200 , and an upper portion  212   b  the product delivery passageway  212  at the upper portion  216  of the first applicator member  210  is non-parallel and inclined with respect to the longitudinal axis X of the applicator head  200 . Further, the upper portion  212   b  of the product delivery passageway  212  has a narrower width than the width of the lower portion  212   a  of the product delivery passageway  212 . 
       FIGS.  13 - 16    show the second applicator member  220  according to a preferred embodiment of the present disclosure. The second applicator member  220  comprises the upper surface  221  and a peripheral wall  222  that depends downward from the upper surface  221 . The peripheral wall  222  of the second applicator member  220  is open on one side. The peripheral wall  222  includes a left sidewall  222   a , a front sidewall  222   b , and a right sidewall  222   c . Further, the peripheral wall  222  is open on the rear side opposite the front sidewall  222   b  of the second applicator member  220 . Each of the left and right sidewalls  222   a  and  222   c  is generally triangular that becomes narrower downward (see  FIG.  13   ). The upper surface  221  of the second applicator member  220  is convexly curved along the longitudinal axis Z. The second portion  240   b  of the recessed concavity  240  is located adjacent to a rear edge  223  of the second applicator member  220  and is recessed from the upper surface  221 . 
     In the exemplary embodiment, referring to  FIGS.  8 ,  9 ,  13 ,  15  and  16   , the second applicator member  220  includes at least two coupling grooves  224  that protrude transversely to the longitudinal axis X of the applicator head  200  from an inner surface of the front sidewall  222   b  towards a rear opening  225  of the second applicator member  220 . Further, the front sidewall  217   a  of the first applicator member  210  includes at least two coupling protrusions  218  that are received in corresponding at least two coupling grooves  224  of the second applicator member  220 , in order to couple the second applicator member  220  with the first applicator member  210 . The two coupling protrusions  218  may be closely spaced or remotely spaced from each other. Additionally, each coupling protrusion  218  primarily secures precisely by means of snap or interference/fitment with the respective coupling groove  224 . Additionally, the two coupling grooves  224  can be constructed of any diameter and depth corresponding to the dimensions of the two coupling protrusions  218 . In alternate embodiments, the second applicator member  220  may be secured to the first applicator member  210  on the front sidewall  217   a  of the first applicator member  210 , for example, by a press-fit, snap-fit, adhesive, and/or engagement by one or more engagement features or by any other means of engagement known in the art. 
     Referring to  FIG.  1  to  3   , illustrate a cosmetic dispensing package  100 ) in accordance with an embodiment of the present disclosure. The cosmetic dispensing package  1000  comprises the housing  500 , the inner container  700 , a button unit  800 , the applicator head  200 , and a pump assembly  400 . The cosmetic dispensing package  1000  further comprises a cap  100 . The inner container  7 M), the applicator head  200 , and the pump assembly  400  are connected to the housing  500 , and the button unit  800  is connected to the inner container  700 . The inner container  700  stores the liquid product (not shown) which is to be applied on a surface, wherein the liquid product is selected from at least one of the cosmetic fluid products or medicinal liquid products. The fluid product stored in the inner container  700  is a flowable fluid product e.g. a solution, suspension, a viscous liquid, etc. The cap  100  is detachably mounted on a neck  204  of the housing  500  to prevent the accumulation of dirt and dust on the applicator head  200 . The cap  100  and the housing  500  may be coupled using any suitable engagement means capable of removably coupling the cap  100  and the housing  500  e.g. snap fitment, j-lock, magnetic engagement, screw threads, etc. 
     The button unit  800  is located at a proximal end  702   b  of the inner container  700  and is connected by a snap fitment to the inner container  700 . Further, the body of the button unit  800  remains outside of the housing  500  and is accessible to a user for pushing the inner container  700  along the longitudinal axis X while using the cosmetic dispensing package  1000 . The inner container  700  is configured to move in an upward and downward direction along the longitudinal axis X of the housing  500 . Preferably, the inner container  700  is detachably fitted within the housing  500 . 
     A piston  600  tightly fits inside the inner container  700  at the proximal end  702   b  of the inner container  700 . The piston  600  is movable along the longitudinal axis X of the inner container  700  and reaches near the distal end  702   a  of the inner container  700  when the fluid product inside the inner container  700  is completely used up. 
     Further, as shown in  FIGS.  2  and  3   , a pump assembly  400  is disposed at the distal end  702   a  of the inner container  700 . Further, a lower portion of the pump assembly  400  is housed inside a hollow cavity  702   c  of the inner container  700  while an upper portion of the pump assembly  400  is housed inside the hollow cavity of the housing  500 . 
     The pump assembly  400  is preferably a vacuum sealed pump assembly  400 . 
     As shown in  FIGS.  2  and  3   , the vacuum sealed pump assembly  400  further includes a receptacle  404 , a vacuum sealed member  416 , a check valve  406 , and a conduit  408 . The check valve  406  is disposed on the proximal end of the receptacle  404 . The check valve  406  allows a one-way suction of the liquid product stored inside the inner container  700 , wherein the one-way suction is typically from a proximal end to a distal end of the pump assembly  400 . 
     In an embodiment, the pump assembly  400  comprises a holder  410  detachably connected to the inner container  700 . 
     An insert  412  is disposed on the distal end of the holder  410  such that the holder  410  is slidable with respect to the insert  412  and is configured to move inside a hollow cavity of the upper portion of the holder  410 . The insert  412  houses a spring member  402  and the conduit  408  which is disposed inside the vacuum sealed member  416 . The spring member  402  biases the inner container  700  in the downward direction. 
     Further, the insert  412  is fixedly connected to a lower portion of the applicator head  200  in such a way that a lower portion of the product delivery passageway  212  is aligned with the conduit  408  of the pump assembly  400  forming a passage that allows the flow of the fluid product from the receptacle  404 . The product delivery passageway  212  is aligned with the conduit  408  of the pump assembly  400  to form a single passageway  207  for carrying the fluid product from the inner container  700  to the applicator head  200 . 
     A distal opening at the open distal end  502   a  of the housing  500  is enclosed by a lower end of the connecting collar  300 . The inner surface of the connecting collar  3 R) is connected to the outer surface at the distal end  502   a  of the housing  500  by snap fitment. It would not be outside the scope of present disclosure if the connecting collar  300  is connected to the housing  500  by a threaded engagement, a magnetic engagement, and the like. 
     The connecting collar  300  is connected to the applicator head  200  by a snap fitment. The lower portion  214  of the first applicator member  210  comprises at least one connecting groove  215  on its external surface which receives an internal protrusion  310  of the connecting collar  300  for snap-fitment, see  FIG.  2    It would not be outside the scope of present disclosure if the connecting collar  300  is connected to the applicator head  200  by a threaded engagement, a magnetic engagement, and the like. 
     During use, the user applies pushing force on the button unit  800  pushes the inner container  700  in the upward direction in the housing  500  which in turn pushes the holder  410  and the receptacle  404  of the pump assembly  400  in the upward direction resulting in compression of the spring member  402  between the holder  410  and the insert  412  of the pump assembly  400 . The compression of the spring member  402  towards the insert  412  causes the vacuum sealed member  416  to move in the upward direction and open an orifice  414  present in the conduit  408  of the pump assembly  400  resulting in the flow of fluid product from the receptacle  404  to the passageway of the conduit  408 . Further, the fluid product flows from the co-axially aligned passageways of the conduit  408  of the pump assembly  400  and the product delivery passageway  212  of the applicator head  200 . 
     As the push force from the button unit  800  is released, the inner container  700  moves in a downward direction, and the spring member  402  again expands creating a suction force that causes the check valve  406  to open and liquid product from the inner container  700  enters the receptacle  404  of the pump assembly  400  and simultaneously the piston  600  of the inner container  700  travels in the upward direction due to the force generated. The piston  600  displaces in the upward direction up to a certain height equivalent to balance the pressure created inside the inner container  700 . The displacement of the piston  600  allows the movement of the fluid product towards the distal end  702   a  of the inner container  700 . The fluid product now available in the receptacle  404  of the pump assembly  400  can be dispensed again through the applicator head  200  by pushing the button unit  800 . 
     The fluid product released from the applicator head  200  can be applied to the skin of the user. The applicator head  200  applies the liquid product on the surface of the user&#39;s skin, lips, eyes, and the like. 
     In other alternate embodiments, the pump assembly  400  may be a dip tube assembly or any other assembly capable of sucking product from the inner container to the actuator. 
     In the present embodiment, a delivery mechanism for dispensing a fluid product is an airless pump with a replaceable inner container. In other implementations, any type of airless pump may be employed. However, in yet other implementations, any suitable delivery mechanism may be used. 
     The following is a discussion of examples, without limitation, of delivery mechanisms for dispensing a fluid product. The first example may be implemented using a click or a reverse click operation, whereby the user may operate the cosmetic dispensing package  1000  by moving the applicator head  200  relative to the housing in either a clockwise or counter-clockwise direction. 
     Another example delivery mechanism for dispensing the fluid product maybe a squeeze operation. In certain embodiments wherein the delivery mechanism is a squeeze operation, when pressure is applied to a housing such as a tube containing the fluid product, the fluid product in the tube may be forced, by the squeezing action, through the applicator head  200  via a product delivery passageway  212  for application to the users skin. 
     In yet another example, a delivery mechanism for dispensing the fluid product may be by a pressurized dispenser, such as an aerosol dispenser. In certain embodiments wherein the delivery mechanism is an aerosol delivery mechanism, the composition will be held under pressure in a housing and will be dispersed along with an aerosol propellant in response to actuation by a user. Actuation may be by depressing, rotating, tilting, or otherwise manipulating the applicator head  200 , pressing a button, and/or by any other suitable dispensing mechanism. Details of the construction and propellant of an aerosol dispenser are within the skill of one of ordinary skill in the art and will, therefore, not be described in detail herein. 
     According to an aspect of the present disclosure, the cosmetic dispensing package  1000  is of an elongated cylindrical configuration. However, in alternate embodiments, the cosmetic dispensing package  1000  may be of an elongated square, polygonal configuration, oval, triangular, heart, or any other configuration known in the art. 
     According to an embodiment, the housing  500 , the inner container  700  and the cap  100  may be made of a rigid material like glass, metal, hard plastic, a biodegradable material, or any other material known in the art. However, in alternate embodiments, the housing  500  and the cap  100  may be made of a flexible material like flexible polymeric material or any other material known in the art. 
     It will be understood that the foregoing is only illustrative of the principles of the disclosure, and that various modifications can be made by those skilled in the art without departing from the scope and spirit of the disclosure. For example, the shapes and/or sizes of various components can be different from the shapes and sizes shown herein. As another example, the materials used for various components can be different from those mentioned specifically herein.