Source: http://www.google.com/patents/US8220841?dq=6008737
Timestamp: 2014-07-10 06:25:53
Document Index: 91953599

Matched Legal Cases: ['art.\n1', 'art.\n6', 'art.\n8', 'art.\n10', 'art.\n19', 'art 2', 'art 2', 'art 2', 'art 18', 'art 20', 'art 20', 'art 18', 'art 18', 'art 20', 'art 18', 'art 18', 'art 18', 'art 18', 'art 18', 'art 18', 'art 20', 'art 18', 'art 2', 'art 20', 'art 20', 'art 18', 'art 20', 'art 20', 'art 20', 'art 20', 'art 20', 'art 2', 'art 20', 'art 18', 'art 20', 'art 20', 'art 20', 'art 18', 'arts 20']

Patent US8220841 - Connection device for medium conduits - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign in<nobr>Advanced Patent Search</nobr>PatentsA connection device for the plug connection of at least one media line includes a housing part with at least one reception orifice for plugging in a plug portion connected or connectable to the at least one media line. The housing part includes a basic part and an insert part. The basic part is releasably...http://www.google.com/patents/US8220841?utm_source=gb-gplus-sharePatent US8220841 - Connection device for medium conduitsAdvanced Patent SearchPublication numberUS8220841 B2Publication typeGrantApplication numberUS 11/916,830PCT numberPCT/EP2006/062940Publication dateJul 17, 2012Filing dateJun 6, 2006Priority dateJun 9, 2005Also published asCN101258355A, CN101258355B, DE112006001148A5, DE112006001148B4, DE112006004024B4, DE202005009018U1, US20090127847, US20120242078, WO2006131521A2, WO2006131521A3, WO2006131521A9Publication number11916830, 916830, PCT/2006/62940, PCT/EP/2006/062940, PCT/EP/2006/62940, PCT/EP/6/062940, PCT/EP/6/62940, PCT/EP2006/062940, PCT/EP2006/62940, PCT/EP2006062940, PCT/EP200662940, PCT/EP6/062940, PCT/EP6/62940, PCT/EP6062940, PCT/EP662940, US 8220841 B2, US 8220841B2, US-B2-8220841, US8220841 B2, US8220841B2InventorsHarald Hagen, Andreas Suhr, Reiner MittererOriginal AssigneeVoss Automotive GmbhExport CitationBiBTeX, EndNote, RefManPatent Citations (11), Referenced by (1), Classifications (11), Legal Events (1) External Links: USPTO, USPTO Assignment, EspacenetConnection device for medium conduitsUS 8220841 B2Abstract A connection device for the plug connection of at least one media line includes a housing part with at least one reception orifice for plugging in a plug portion connected or connectable to the at least one media line. The housing part includes a basic part and an insert part. The basic part is releasably connected with a form fit to the insert part via a latching connection. The latching connection holds the insert part releasably and is formed by a C-shaped spring clip which is seated on the outside of the basic part and engages with at least one latching extension radially through an orifice of the basic part into a circumferential latching groove of the insert part.
1. A connection device for a plug connection of at least one media line, comprising:
a housing part having at least one reception orifice for connecting to the at least one media line, the housing part also having a clamping ring which is arranged in the reception orifice and engaged with an inner cone of the housing part for the detention of a plug portion,
the housing part further including a basic part and an insert part, the insert part releasably connected with a form fit within the basic part via a latching connection, the insert part having the inner cone for engaging the clamping ring, wherein the latching connection holding the insert part releasably within the basic part is formed by a C-shaped spring clip which is manually releasable and seated on an exterior surface of the basic part and which engages with latching extensions radially through orifices on the basic part into a circumferential latching groove of the insert part, so that the insert part is a rotationally symmetrical part which can be inserted in the basic part in any desired rotary orientation;
wherein the C-shaped spring clip comprises a C-shaped annular portion and two latching extensions lying essentially diametrically opposite one another, the latching extensions having oblique faces on their front sides facing a plug-in side of the reception orifice, in such a way that, when the insert part is being introduced into the basic part, the latching extensions are urged radially outward via the oblique faces and subsequently latch into the latching groove, the connection device being suitable both for direct connection to the at least one media line by a cylindrical line part thereof being plugged into the reception orifice and for indirect connection of a media line via the reception orifice.
2. The connection device as claimed in claim 1, wherein the spring clip is seated with its annular portion in an outer annular groove of the basic part, the latching extensions being designed asymmetrically in relation to the annular groove and to the annular portion in the axial and/or circumferential direction, in such a way that the spring clip can be placed onto the basic part in only one correct orientation with respect to the oblique faces.
3. The connection device as claimed in claim 1, further comprising a securing means configured to prevent radial expansion of the spring clip and an unwanted release of the spring clip in the operating state of the connection device.
4. The connection device as claimed in claim 3, wherein the spring clip has, toward one side of each of the latching extensions, a securing portion which, when an axial releasing pull arises, engages radially and axially behind the orifice of the basic part such that the spring clip is blocked against spreading open radially.
5. The connection device as claimed in claim 1, wherein the insert part has two outer circumferential seals, arranged axially on both sides of the latching groove, for coming to bear sealingly against an inner face of the basic part.
6. The connection device as claimed in claim 5, wherein the insert part, together with the circumferential seals, are formed as a multicomponent molding from plastic.
7. The connection device as claimed in claim 1, wherein the insert part has an inner circumferential seal for coming to bear sealingly on the plugged-in plug portion, the inner circumferential seal being located in a mouth region of the insert part.
8. The connection device as claimed in claim 1, wherein the inner cone of the insert part comprises two axially adjacent inner cone portions with different cone angles, a first inner cone portion remote from the plug-in side and having a first, flatter cone angle and a second inner cone portion following the direction of the plug-in side and having a second, steeper cone angle.
9. The connection device as claimed in claim 8, wherein the clamping ring has two axially adjacent outer cone portions angularly corresponding to the inner cone portions of the insert part.
10. The connection device as claimed in claim 8, wherein the first cone angle lies in the range of 10� to 25�, and the second cone angle lies in the range of 40� to 50�.
11. The connection device as claimed in claim 1, wherein the clamping ring is formed as an annular body of metal, having a continuous slot interruption at one circumferential point and thereby being deformable radially elastically and having a radially inner tooth edge, the diameter of which is smaller than the outside diameter of the plug portion to be plugged in.
12. The connection device as claimed in claim 11, wherein the tooth edge is formed by a tooth profile with a conical front face and with a radial rear face.
13. The connection device as claimed in claim 11, wherein the clamping ring is designed, in cooperation with the inner cone and with respect to its geometry, in the region of the tooth edge, in such a way that the plug portion may be designed selectively with a holding groove for the form-fit engagement of the tooth edge or with a smooth, cylindrical circumferential face for the form-fit or forcible form-fit engagement of the tooth edge.
14. The connection device as claimed in claim 11, wherein the clamping ring has, at least at one circumferential point, an articulation zone formed by a reduction in its ring cross section, for which purpose the clamping ring has in an outer circumferential region three flattenings in an arrangement radially symmetrical with respect to the slot interruption and with respect to one another.
15. The connection device as claimed in claim 1, wherein the clamping ring has, on its rear side pointing in the plug-in direction, a bearing contour with a centering slope for a circumferential seal arranged in the reception orifice so as to come to bear sealingly on the plug portion.
16. The connection device as claimed in claim 15, wherein between the centering slope and an adjoining outer cone portion of the clamping ring, an annular extension prolonging the outer cone portion is formed.
17. The connection device as claimed in claim 15, wherein the centering slope merges radially inward into a radial annular end face.
18. The connection device as claimed in claim 1, further comprising a form plug, having as an integral part, a plug portion configured for receipt within the reception orifice of the housing part, the form plug having a connecting endpiece for connection with the media line thereby forming an indirect connection of the media line to the housing part.
19. The connection device as claimed in claim 18, wherein the plug portion of the form plug has at least one annular groove for the form-fit engagement of the clamping ring.
20. The connection device as claimed in claim 18, wherein the plug portion has two axially offset annular grooves for the engagement of the clamping ring, on the one hand, in a prelatching position and, on the other hand, in a full-latching position, in the prelatching position there being a perceptible leak limited in a defined manner, and in the full-latching position media-tight sealing being ensured.
21. The connection device as claimed in claim 20, wherein in the prelatching position, axial leakage paths are formed between the plug portion and an inner circumferential seal by a zone of the plug portion having at least one axially extending depression.
22. The connection device as claimed in claim 18, wherein the connecting endpiece of the form plug has an endpiece profile with tooth edges, each of the tooth edges having a diameter and each diameter increasing successively from a free end of the connecting endpiece.
23. The connection device as claimed in claim 18, wherein the connecting endpiece has at a free end thereof a short cylindrical portion for simplified insertion into the media line.
24. The connection device as claimed in claim 18, wherein the form plug is designed as an adapter between different dimension systems on the plug-in side and on a media line side.
25. The connection device as claimed in claim 1, further comprising an axial supporting sleeve for forcible engagement into the plugged-in plug portion arranged within the reception orifice.
26. The connection device as claimed in claim 1, wherein the basic part is produced jointly with a supporting sleeve as a one-piece molding from plastic.
27. The connection device as claimed in claim 1, wherein the housing part is designed as a press-in cartridge with a plug-in portion which can be inserted into a connecting orifice of any desired assembly part.
CROSS REFERENCE TO RELATED APPLICATIONS The application claims priority to PCT/EP/2006/062940 filed on Jun. 6, 2006 and German Utility Model DE 20 2005 009 018.2 filed Jun. 9, 2005.
FIELD OF THE INVENTION The present invention relates to a connection device for the plug connection of at least one media line (pipeline or hose line for gases or liquids).
BACKGROUND OF THE INVENTION A connection device of this type is known from EP 0 733 844 B1. In EP 0 733 844 B1, the insert part consists of a one-piece plastic molding which, for the purpose of the releasability of the plugged-in plug portion detained by the clamping ring against being pulled out and formed by one line end, has two elastic latching arms which engage radially with latching extensions into the basic part and into latching orifices formed there. Each latching arm has an actuation portion projecting outward from the basic part. Consequently, the insert part can be released from the basic part, so that the plug portion, with the clamping ring seated on it, can then also be removed jointly with the insert part. Although very simple manual release is possible here, the projecting actuation extensions of the latching arms may nevertheless cause an obstruction or even lead to unwanted release. Moreover, the type of latching at the insert part during assembly requires an exact alignment in the circumferential direction, so that the latching extensions can be introduced correctly into the latching orifices.
SUMMARY OF THE INVENTION The object on which the present invention is based is to improve a connection device of the type mentioned, such that the assembly of the individual parts is simplified and a simple manual releasability of the previously plugged-in plug portion detained via the clamping ring is ensured, while at the same time there is high reliability against unwanted release.
Thus, according to the invention, the latching connection holding the insert part releasably in the basic part is formed by a C-shaped spring clip which is seated on the outside manually releasably (removably) on a sleeve-shaped hollow-cylindrical portion of the basic part and engages with at least one latching extension radially inward (in each case) through an orifice of the basic part into a circumferential latching groove of the insert part. Preferably, two latching extensions lying essentially diametrically opposite one another are provided, each latching extension having an oblique face on its front side facing the plug-in side of the reception orifice, in such a way that, when the insert part is being introduced into the basic part, each latching extension is urged radially outward via its oblique face, along with the spring-elastic deformation of the spring clip, and subsequently latches into the latching groove as a result of the spring-elastic back deformation of the spring clip. Since the spring clip surrounds the basic part over a defined surrounding angle and is in this case preferably seated in an outer annular groove of the basic part, high reliability against unwanted release is achieved due to the avoidance of projecting parts. At the same time, however, the spring clip can be removed very simply manually, without a tool, by being spread open, so that the plug portion, together with the clamping ring and with the insert part, can then be removed from the basic part. If required, the clamping ring can then be detached from the plug portion, so that the plug portion can also be removed from the insert part.
Advantageously, by virtue of the invention, the insert part is a rotationally symmetrical part which can be inserted into the basic part in any desired rotary orientation, because the latching extensions of the spring clip can in any event engage into the outer circumferentially continuous latching groove of the insert part. This also simplifies the assembly of the connection device since a rotary orientation of the insert part before insertion is unnecessary.
DESCRIPTION OF THE DRAWINGS The invention will be explained in more detail below by means of a preferred exemplary embodiment illustrated in the drawing in which:
FIG. 6 shows an axial section through the basic part in the plane 6-6 according to FIG. 5,
FIG. 9 shows a diametral cross section in the plane 9-9 according to FIG. 8,
FIG. 12 shows a diametral cross section in the plane 12-12 according to FIG. 11,
FIG. 14 shows a side view of the spring clip in the direction of the arrow 14 according to FIG. 13,
FIG. 19 shows an axial section in the plane 19-19 according to FIG. 18,
FIG. 20 shows an enlarged illustration of the region 20 in FIG. 19, and
FIG. 21 shows an enlarged part view of the region 21 in FIG. 19.
DETAILED DESCRIPTION OF THE INVENTION In the various figures of the drawing, identical parts are always given the same reference symbols, and therefore any description of a part which may possibly occur only once with reference to a specific drawing figure also applies similarly to the other drawing figures in which the part with the corresponding reference numeral can likewise be seen.
A connection device 1 according to the invention comprises a housing part 2 with (at least) one reception orifice 4, open on one side (toward the plug-in side), for axially plugging in an essentially hollow-cylindrical plug portion 6 and a clamping ring 8, arranged in the housing part 2 or in the reception orifice 4 (see FIG. 1), for detaining the plug portion 6 plugged in axially, that is to say in the direction of a plug axis 10. According to FIGS. 2 and 3, the plug portion 6 may be an integral part of a separate form plug 12, via which a media line can be connected indirectly. According to FIG. 4, however, the plug portion 6 may also be formed by one end of a media line 14, so that the media line 14 can be plug-connected directly to the connection device 1.
For the purpose of a subsequent release of the plug portion 6 and also for the purpose of the producibility or assemblability of the connection device 1, the housing part 2 is formed in two parts from a basic part 18 and from an insert part 20 having the inner cone 16 for the clamping ring 8. In this case, the insert part 20 can be plugged into the basic part 18 and be releasably connected to the latter with a form fit via a latching connection 22. This is a snappable form-fit connection with an active-area undercut angle ≧90� C.
As may be gathered from FIGS. 11 to 14, the spring clip 24 comprises a C-shaped spring-elastic annular portion 32 and preferably two latching extensions 26 lying essentially diametrically opposite one another. The annular portion 32 is of essentially strip-shaped design and extends in the circumferential direction over an angle of about 270� according to FIG. 11. An orifice of about 90� therefore remains, with the result that it is possible in a simple way to place the spring clip 24 onto the basic part 18 and also in a simple way to remove it from the latter, in each case in a radial direction, said spring clip at the same time being spread open elastically. The latching extensions 26 may themselves extend, for example, over about 60� in the circumferential direction. On their front sides facing the plug-in side of the reception orifice 4, the latching extensions 26 have oblique faces 34, in such a way that, when the insert part 20 is being introduced into the basic part 18, the latching extensions 26 are urged radially outward via the oblique faces 34 and subsequently latch into the latching groove 30 as a result of the spring elasticity of the annular portion 32. The spring clip 24 is preferably seated with its annular portion 32 in an outer annular groove 36 of the basic part 18. In a preferred embodiment, in this case, there is provision for the latching extensions 26 to be designed or arranged asymmetrically in relation to the annular groove 36 and to the annular portion 32 in the axial and/or circumferential direction, in such a way that the spring clip 24 can be placed onto the basic part 18 in only one correct orientation with respect to the oblique faces 34. In this case, of course, the radial orifices 28 of the basic part 18 are adapted correspondingly to the arrangement or configuration of the latching extensions 26.
FIGS. 11 and 12 illustrate the version of the spring clip 24 which is provided in the version of the connection device 1, as illustrated, for example, in FIGS. 3 and 4. In this case, the latching extensions 26 are arranged asymmetrically to the annular portion 32 in the axial direction. According to FIG. 5, the orifices 28, too, are correspondingly formed axially asymmetrically in the annular groove 36 of the basic part 18. According to FIGS. 3 and 4, the spring clip 24 can thereby be inserted into the annular groove 36 in any orientation.
In a design variant illustrated in FIGS. 13 and 14, the latching extensions 26 may also be arranged symmetrically with respect to the annular portion 32, in which case the latching extensions 26 are designed or arranged asymmetrically in the circumferential direction. According to FIG. 13, there is additionally provision for the latching extensions 26 to differ from one another in terms of the extent of their circumferential angle. In this case, too, the orifices 28 of the basic part 18 are adapted correspondingly. This alternative version, too, rules out an incorrect assembly of the spring clip 24.
In a further advantageous embodiment of the invention, additional securing means against an unwanted release or removal of the spring clip 24 in an operating state of the connection device 1 in which it is acted upon by an internal system pressure are provided. In the example illustrated, see particularly FIGS. 11 and 12, for this purpose, the spring clip 24 has, on the front sides of the latching extensions 26, web-like securing portions 38 which, when a releasing pull FZ acting axially in the release direction (arrow 40) of the plug portion 6 arises, by virtue of an axial driving movement of the spring clip 24 via the clamping ring 8 and the insert part 20, engage radially and axially behind the associated orifices 28 of the basic part 18 such that the spring clip 24 is blocked against spreading open radially. This state is illustrated in FIGS. 3 and 4. For release, first, a movement in the plug-in direction (arrow 42) out of this blocking position must take place, in order to move the spring clip 24 through an axial movement play into a freeing position in which the spring clip 24, together with the securing portions 38, can be removed radially. In this case, of course, the axial movement play of the latching extensions 26 within the orifices 28 must be dimensioned such that, in the freeing position, the latching extensions 26, together with the securing portions 38, can be led outwards through the orifices 28.
As may be gathered, further, from FIGS. 3 and 4, a circumferential seal 46, which is preferably formed by an O-ring, is arranged as an actual media seal (main seal) within the reception orifice 4 of the housing part 2 in a space located axially between the insert part 20 with the clamping ring 8 and a counterface 44 lying at a lower area in the reception orifice 4. Moreover, in addition, a sealing arrangement for sealing off against the penetration of dirt and the like is provided. For this purpose, the insert part 20 has two outer circumferential seals 48 and 50, arranged axially on both sides of the latching groove 30, for coming to bear sealingly against the inner face of the basic part 18 axially on both sides of the orifices 28. Furthermore, the insert part 20 has, in the region of its mouth on the plug-in side, an inner circumferential seal 52 for coming to bear sealingly on the plugged-in plug portion 6. In the preferred embodiment (see, in particular, FIG. 7), the insert part 20, together with the circumferential seals 48, 50 and 52, is formed as a multicomponent molding from plastic. In this case, the actual insert part 20 comprises a relatively harder and more resistant plastic material, while the regions of the circumferential seals 48, 50, 52 comprise a more elastic plastic material injection-molded on.
As may be gathered, further, from FIG. 7, the inner cone 16 of the insert part 20 preferably comprises two axially adjacent inner cone portions 16 a and 16 b with different cone angles. The first inner cone portion 16 a, remote from the plug-in side, has a first, flatter cone angle α1, while the second inner cone portion 16 b following in the direction of the plug-in side is designed with a second, steeper cone angle α2. According to FIGS. 8 to 10, the clamping ring 8 correspondingly has an outer cone 54 with two axially adjacent outer cone portions 54 a and 54 b in adaptation to the inner cone portions 16 a, 16 b of the insert part 20 (with cone angles α3 and α4 corresponding to cone angles α1 and α2 respectively). In the preferred exemplary embodiment, the first cone angle α1 and cone angle α3 lie in the range of 10� to 25�, in particular at about 15�. The second cone angle α2 and cone angle α4 preferably lie in the range of 40� to 50�, in particular at about 45�.
According to FIG. 8, the clamping ring 8 is formed as an annular body, in particular of metal and has a continuous slot interruption 56 at one circumferential point, with the result that the clamping ring 8 is deformable radially elastically. According to FIGS. 9 and 10, the clamping ring 8 has a radially inwardly pointing tooth edge 58, the diameter of which, in an expanded, not elastically deformed state of the clamping ring 8, is smaller than the outside diameter of the plug portion 6 to be plugged in. In this case, the tooth edge 58 is formed by a sawtooth-like tooth profile 60 between a conical front face 62 and a radial rear face 64 (see, in particular, FIG. 10).
By virtue of this configuration described, when the plug portion 6 is being plugged in over the conical front face 62, first, the clamping ring 8 is slightly spread open radially (being supported axially on the circumferential seal 46), until the plug portion 6 can be plugged through the clamping ring 8. The clamping ring 8, by virtue of its tooth edge 58, is then first seated forcibly on the circumference of the plug portion 6. As a result, in the event of a pull in the release direction 40, the clamping ring 8 is driven forcibly, until its outer cone 54 comes to bear in the inner cone 16 of the housing part 2 or of the insert part 20. With a continuing pull, a radially inwardly directed force is generated via the cones 16, 54, as a result of which force the clamping ring 8 is narrowed elastically, so that the tooth edge 58 engages into the plug portion with a form fit or with a forcible form fit. The plug portion 6 is thereby detained against being pulled out. In this case, then, there is preferably provision for the clamping ring 8 to be designed, in cooperation with the inner cone 16 and with respect to its geometry, in the region of the tooth edge 58, in such a way that the plug portion 6 may be designed selectively with at least one holding groove 66 (see FIG. 3 and, in particular, FIGS. 18 to 20) for the form-fit engagement of the tooth edge 58 or (according to FIG. 4) with a smooth, cylindrical circumferential face 68 for the form-fit or at least forcible form-fit engagement of the tooth edge 58.
The form plug 12 (see FIGS. 18 to 21), already mentioned above, which is provided for an indirect connection of the media line 14, has for the line connection a connecting endpiece 80, onto which the line 14 can be plugged. This connecting endpiece 80 has an endpiece profile with a plurality of, for example three, barb-like tooth edges 82. Preferably, in this case, there is provision for the diameters of the tooth edges 82 to increase successively from the free end of the connecting endpiece 80. This results in a �pinetree-like profile�, in that an enveloping surface 84 (indicated by dashes in FIG. 21) defined by the outer tips of the tooth edges 82 is formed slightly conically. Owing to this advantageous configuration, the connecting endpiece 80 is situated as a universal endpiece for media lines having different inside diameters. Moreover, the connecting endpiece 80 advantageously has at its free end a short cylindrical portion 85 which makes it easier to introduce it into the media line 14, in that its outside diameter is somewhat smaller than the line inside diameter.
It also remains to be mentioned that preferably an axial supporting sleeve 90 for forcible engagement into the plugged-in plug portion 6 is arranged within the reception orifice 4. Owing to the supporting sleeve 90, the connection device 1 is also suitable for the direct plug connection of a relatively more flexible hose line, in that the latter is supported radially inward against the radial force of the clamping ring 8 by the supporting sleeve 90. In this case, the basic part 18 is produced, preferably jointly with the supporting sleeve 90, as a one-piece molding from plastic.
The assembly tool 100 comprises a gripping portion 102 and a shank portion 104 with holding zones for the components to be inserted. Thus, the shank portion 104 has a first holding zone 106 for the internal circumferential seal 46 and for the clamping ring 8 and also a second holding zone 108 for the insert part 20. According to FIG. 16, in this case, the shank portion 104 is subdivided in regions by longitudinal slots 110 into radially spring-elastic spring arms 112. However, at the free end of the shank portion 104, the spring arms 112 are connected to one another in the circumferential direction via connecting portions 114. The spring arms 112 have, in their regions adjoining the free end pointing in the insertion direction, radial holding bosses 116 for the circumferential seal 46 and, indirectly via the circumferential seal 46, also for the clamping ring 8 and also the insert part 20. As may be gathered from FIG. 17, owing to the radial elasticity of the spring arms 112, first the insert part 20 and subsequently the clamping ring 8 and the circumferential seal 46 can be placed axially onto the shank portion 104.
It may be noted that an assembly tool of this type having the advantageous functions described is also basically suitable, independently of the connection device 1 according to the invention, for similar applications in which it is important to have a partially contact-free draw-out. Independent protection is therefore also claimed for the assembly tool. The same also applies correspondingly to the individual components (basic part 18, spring clip 24, insert parts 20 and form plug 12) as �replacement parts� for a connection device 1 according to the invention.
The invention is not restricted to the exemplary embodiments illustrated and described, but also embraces all versions having an equivalent effect within the meaning of the invention.
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS4431216 *Mar 17, 1981Feb 14, 1984LegrisInstant fittings for pipes and tubesUS4453747Jun 1, 1982Jun 12, 1984Bimba Charles WConnector system for flexible tubingUS4721331 *Sep 9, 1986Jan 26, 1988Noam LemelshtrichQuickly attachable connectors particulary for use as a hose couplerUS4813716 *Sep 2, 1987Mar 21, 1989Titeflex CorporationQuick connect end fittingUS4878697 *Oct 14, 1987Nov 7, 1989Dresser Industries, Inc.Compression coupling for plastic pipeUS5211427 *Dec 20, 1991May 18, 1993Usui Kokusai Sangyo Kaisha Ltd.Piping connectorUS5711550Mar 21, 1996Jan 27, 1998Armaturenfabrik Hermann Voss Gmbh & Co.Connecting device for pipelinesUS5860677Jun 25, 1996Jan 19, 1999Valeo ClimatisationRapid connection device for connecting a tube member with a pipe connector, especially for a heat exchanger; and a heat exchanger equipped with such a deviceDE20214847U1Sep 24, 2002Feb 19, 2004Voss Automotive GmbhAnschlu�vorrichtung f�r RohrleitungenEP0733844B1Mar 19, 1996Oct 6, 1999Armaturenfabrik Hermann Voss GmbH + Co.Conduit connection deviceGB2255827A Title not available* Cited by examinerReferenced byCiting PatentFiling datePublication dateApplicantTitleUS20120211119 *Nov 11, 2010Aug 23, 2012Rule Joseph DPipe section joining* Cited by examinerClassifications U.S. Classification285/331, 285/308, 285/104, 285/321International ClassificationF16L25/00Cooperative ClassificationF16L37/088, F16L37/144, F16L37/0925European ClassificationF16L37/088, F16L37/092B, F16L37/14B1Legal EventsDateCodeEventDescriptionDec 7, 2007ASAssignmentOwner name: VOSS AUTOMOTIVE GMBH, GERMANYFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HAGEN, HARALD;SUHR, ANDREAS;MITTERER, REINER;REEL/FRAME:020211/0725;SIGNING DATES FROM 20071129 TO 20071203Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HAGEN, HARALD;SUHR, ANDREAS;MITTERER, REINER;SIGNING DATES FROM 20071129 TO 20071203;REEL/FRAME:020211/0725RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google