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Class 285/339 - Wedge


Subclass of Class 285 - Pipe joints or couplings
Definition: Subject matter comprising wedge means to control the positioning
No. of patents: 62
Last issue date: 03/06/2012


1    
NumberTitleIssue Date
8128131Ferrule for making fingertight column connections in gas chromatography
A ferrule arrangement for use in sealing connections to gas chromatography columns includes a generally tubular metal ferrule with an axial bore to receive a fracturable column with a protective coating. The ferrule has a forward part that tapers to a tip region of ...
03/06/2012
7922215Plug connector for fluid conduits
A plug connector for fluid conduits. The plug connector including a housing part with a plug socket for the fluid-tight insertion of a tubular plug-in part, a holding element for locking and a fluid seal for sealing the inserted plug-in part. The plug connector bein...
04/12/2011
7815225Self restrained ductile iron fitting
A combination sealing and restraint system for an as-cast ductile iron fitting is shown for both sealing and preventing separation of an iron pipe fitting and a mating male pipe. A ring-shaped body is installed within a mating groove provided in a mouth region of th...
10/19/2010
7537248Combination seal and restraint system for plastic pipe
An apparatus for restraining pipe against both internal and external forces at a pipe or fitting connection and to join and seal at least two pipes to form a pipeline featuring an improved restraining and sealing mechanism. The restraining and sealing mechanism incl...
05/26/2009
7438327Electrical connection assembly with unitary sealing and compression ring
An electrical connection assembly for securing electrical metal conduit to a junction box or the like, having a connection body with an inlet end portion for receiving a conduit wherein the inlet end includes a first portion sized to snugly receive an end portion of...
10/21/2008
7431349Releasable connection arrangement for two rotationally symmetrical components
A releasable connection arrangement includes a first component, which has a collar projecting radially outwards with a first clamping surface and a first bearing surface and a socket disposed at an open end of a second component for retaining the collar by gripping ...
10/07/2008
7410174Restraining mechanical joint gasket for ductile iron pipe
A restraining gasket for both sealing and preventing separation of a pipe joint used to join a bell end of a female ductile iron pipe to the male end of a mating ductile iron pipe. The gasket has a body formed from a compressible elastomeric material having a harden...
08/12/2008
7296827Releasable connection arrangement for two rotationally symmetrical components
A releasable connection arrangement that includes, a first component, which has a collar projecting radially outwards with a first clamping surface and a first bearing surface and a socket disposed at an open end of a second component for retaining the collar by gri...
11/20/2007
7240927Connection assembly used for connection between a fuel nozzle and a filling hose
A connection assembly has a male connector, a first engaging ring securely mounted on the male connector, a female connector and a second engaging ring securely received in the female connector. The first engaging ring has first claws formed to abut a periphery defi...
07/10/2007
7207606Mechanical pipe joint, gasket, and method for restraining pipe spigots in mechanical pipe joint bell sockets
A mechanical pipe joint, restraining gasket, and method for restraining pipe spigots within adjacent bell sockets. The restraining gasket is composed of two axially-separate components: a sealing portion and a restraining portion made of a plurality of arcuate locki...
04/24/2007
7175208High temperature end fitting and method of use
Embodiments of a system and method for sealing an end of a flowline to an end fitting are disclosed. Such methods include providing an end fitting housing having a bore, wherein a portion of the bore has a tapered inner surface, inserting an open end of a flexible p...
02/13/2007
7125054Self restraining gasket and pipe joint
A sealing and restraining gasket for preventing separation of a pipe joint used to join a bell end of a female pipe to the male end of a mating pipe. The gasket is formed from a compressible body of elastomeric material and carries a rigid ring with gripping teeth f...
10/24/2006
7093863Restraining gasket for mechanical joints of pipes
A gasket for connecting two lengths of pipe in a standard mechanical joint, which gasket maximizes the advantages of both restrained push-on joints as well as mechanical joints, as are known commonly in the art. The invention has application to long-run pipe lengths...
08/22/2006
7032935Self energizing connector
The self energizing tube connector for engaging a pressurizable part made of a tube capable of sustaining pressures up to 50,000 psi without deforming is made of an upstream tube end and a downstream tube end; a ferrule with a front and rear ferrule, a lifting compo...
04/25/2006
7011344Connector and method of use of the connector
A connector for connection of a pipe end portion of coiled tubing adapted for connecting a piece of downhole equipment. The connector is formed by three separate parts that can be screwed together two and two, of which a radially inner shrinkable adapter sleeve comp...
03/14/2006
6991264Compressor and method of connecting pipe to the same
A compressor which has a pipe coupling structure capable of fluid-tightly connecting a refrigerant pipe to a pipe coupling port, without needing any welding process to connect the pipe to the pipe coupling port, and a method of connecting the refrigerant pipe to the...
01/31/2006
6988746Nut type raintight threadless couplings and connectors for electrical conduits
In fittings designed to connect threadless electrical conduits, the improvement of providing raintight fittings, having a hollow cylindrical housing with a bore adapted to receive an end of a conduit to be connected with such a fitting and a compression ring with a ...
01/24/2006
6974160Self restraining gasket and pipe joint
A restraining element for preventing separation of a pipe joint used to join a bell end of a female plastic pipe to the male end of a mating pipe. The restraining element is formed from a compressible body of elastomeric material, the compressible body having a segm...
12/13/2005
6945570Self restraining gasket and pipe joint
A restraining element for preventing separation of a pipe joint used to join a bell end of a female plastic pipe to the male end of a mating pipe. The restraining element is formed from a compressible body of elastomeric material, the compressible body having a segm...
09/20/2005
6913293Spiral spline pipe joint apparatus and method
A pipe joint apparatus and method using spiral groove halves formed on the nested surfaces of male and female pipe ends. The exterior half of the spiral groove is connected to an exit port. The interior half of the spiral groove has a proximal end recessed from edge...
07/05/2005
6851728Pipe-coupling device
A pipe-coupling device comprises a joint body having an opening with external threads to receive a pipe, a locknut having internal threads engaged with the external threads of the joint body, an annular core member disposed within the locknut, and a plurality of loc...
02/08/2005
6843514Pipe coupling device
A pipe coupling device (2) for joining the ends of two pipes is disclosed. The pipe coupling device (2) includes a sleeve (4) configured to receive an end of a pipe and having an annular first abutment surface (6); a compression member (
01/18/2005
6786517Concentric pipe joint restraint
A novel concentric pipe joint restraint is disclosed. The restraint is specifically designed to resist axial movement of an inner spigot pipe relative to an outer socket pipe with which it has been joined. The restraint, which operates within the annulus, generally ...
09/07/2004
6773039Plug-in coupling
A plug-in coupling having a base body (6), a sealing ring (12, 13), a locking ring (40) and an annular body which can be connected to the base body (6). A pipe end (4, 5) can be locked in position by the locking ring (40). T...
08/10/2004
6739632Method and apparatus for coupling HVAC conduits
A coupling for connecting one or more pipes or conduits. The coupling includes at least one wedge-shaped gasket extending around the coupling. The wedge-shaped gasket includes an outer sloped or inclined surface, an inner surface, and a pair of opposed ends where on...
05/25/2004
6595560Sleeve joint
Two pipe sections (1-4, 31, 32) of a high-pressure line each comprise a fluid-tight inner jacket (9) made of a thermoplastic material and a reinforced outer jacket (10). The innner jackets are attached to one another by means of a fluid-tight weld (5-8, 3...
07/22/2003
6575501Tube sealing bushing
A deformable bushing to seal tubing to a receiving body is provided. The bushing includes a pair of grooves extending around the bushing with an annular ring between the grooves. The grooves are cut to a depth leaving sufficient wall thickness, and have a...
06/10/2003
6533331Coupling device and method for fabricating a grip ring to be used in such a coupling device
A coupling device for a pipe having a sleeve with an insert end for the pipe and a sealing means suitable for realizing a seal around the pipe inserted in the sleeve having a plurality of mutually slidable elements which together form a ring, and a grip r...
03/18/2003
6471253Insert coupling
An insert coupling for connecting a flexible pipe section to another part comprises a housing with a first cylindrical bore, a sealing ring, which is effective between the flexible pipe section and the cylindrical bore, a clamping bush with a cylindrical ...
10/29/2002
6454316Seal ring retainer
A seal retaining system for retaining a seal ring in a pipe coupling, wherein a plurality of seal ring retainers are connected to a flange around the periphery of a seal seat and wherein the retainers can be moved from an open position in which a seal rin...
09/24/2002
6390513Collapsible spacer pipe
A collapsible spacer pipe is for use between associated equipment items in generally opposing facing relation. The spacer pipe includes a flexible seal element having a main body and a pair of flange seals disposed at ends of the main body. The flange sea...
05/21/2002
6357802Pipe of hard thermoplastic resin, pipe joint structure and methods of manufacturing the same
An air-pressure joint 1 comprising a pipe main body 2 made of a rigid thermoplastic resin and a release ring 3 made of a rigid thermoplastic resin inserted from one opening of the pipe main body, wherein the release ring includes a slip-off preventing pro...
03/19/2002
6168211Threaded connection with supporting ring
A threaded connection for easily deformable thin-walled pipes (20) has a connecting member (1) with a cylindrical receiving bore (5) accommodating the pipe (20) and an outer thread (7). A nut (8) is provided with an inner thread (10) which is threaded ont...
01/02/2001
6007108Adapter for a nozzle manifold of a hot runner system
An adapter for use with a nozzle manifold of a hot runner injection molding system for fluidly connecting at least two runner sections and thereby distribute and conduct melt to cavities of an injection mold, includes a plug having at least one end face f...
12/28/1999
5951058Pipe joint
A pipe joint which is made of a hollow body member having a passageway therethrough for receiving a pipe, a segmented gripper means positioned in a first circumferential tapered channel in the hollow body member and moveable axially within the passageway....
09/14/1999
5716082Fluid conveying device with removable connection
A cryogenic fluid conveying device has removable connection of a metal tube and a receptor for the tube. The receptor is formed of a housing member with an aperture therein for conveying the fluid. A tubular member of resilient PTFE has a bore size so as ...
02/10/1998
5709412Apparatus for connecting tubes
A tube connection apparatus for use with larger diameter flexible tubing particularly for hazardous material removal comprising an outer tapered sleeve and an inner tapered sleeve that is sized to snugly fit within the outer tapered sleeve and to engage t...
01/20/1998
5707088Joint for coupling plastic corrugated pipes
A joint for coupling corrugated or ribbed pipe segments, including helical ribbed pipe segments, end-to-end includes a segment of corrugated or ribbed pipe having a plurality of corrugations or ribs spaced axially along the segment's outer surface, a spig...
01/13/1998
5681058Assembly for joining a pipe to a pipe fitting
An assembly for joining a pipe to a pipe fitting includes an anti-leak gasket which is mounted around the pipe and which has a tapered portion with an outer periphery complimentary to and thus fittingly received in a tapered inner wall section of the pipe...
10/28/1997
5588685Push-pull pipe joint
A technique for joining a larger and a smaller pipe wherein the smaller pipe has an outside diameter smaller than the inside diameter of the larger pipe. An inner and an outer gasket are used to form the joint. The inner gasket has an inclined outer surfa...
12/31/1996
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