Gasket Retainer Patents (Class 285/379)
  • Patent number: 10087543
    Abstract: A seal ring for an electrochemical processor does not slip or deflect laterally when pressed against a wafer surface. The seal ring may be on a rotor of the processor, with the seal ring having an outer wall joined to a tip arc through an end. The outer wall may be a straight wall. A relatively rigid support ring may be attached to the seal ring, to provide a more precise sealing dimension. Knife edge seal rings that slip or deflect laterally on the wafer surface may also be used. In these designs, the slipping is substantially uniform and consistent, resulting in improved performance.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: October 2, 2018
    Assignee: Applied Materials, Inc.
    Inventors: Nolan L. Zimmerman, George Mattinger, Gregory J. Wilson, Eric A. Englhardt, Balamurugan Ramasamy
  • Patent number: 8777273
    Abstract: A dual drill pipe joint includes a pin end and a box end. An inner pipe is disposed within an internal bore of the joint of drill pipe. A retainer is disposed proximate each longitudinal end of the inner pipe. A retaining feature is formed in an interior of the joint of drill pipe proximate each longitudinal end. The features are configured to engage a respective one of the retainers so that the inner pipe is held in longitudinally fixed relation to the joint of drill pipe.
    Type: Grant
    Filed: January 12, 2012
    Date of Patent: July 15, 2014
    Assignee: Reelwell, A.S.
    Inventors: Harald Syse, Espen Alhaug
  • Patent number: 8770628
    Abstract: A seal assembly for a nested dual drill pipe includes a tube having a female seal assembly and a male seal assembly at the longitudinal ends. The female seal assembly includes a larger internal diameter portion, a taper adjacent thereto and a smaller internal diameter portion adjacent to the taper. The male seal assembly includes a smaller external diameter portion, a seal groove adjacent thereto and a larger external diameter portion adjacent to the seal groove. The smaller internal diameter portion and the larger external diameter portion have diameters selected to enable free longitudinal movement of the male seal assembly into the female seal assembly while limiting axial displacement to maintain the seal ring fully energized.
    Type: Grant
    Filed: May 16, 2012
    Date of Patent: July 8, 2014
    Assignee: Reelwell, A.S.
    Inventor: Espen Alhaug
  • Publication number: 20130313824
    Abstract: A metal seal replaces an O-ring seal in a flat face seal fluid fitting to adapt the flat face seal fluid fitting to use, for example, in extreme temperature applications. The fitting includes first and second fitting members, a sleeve, a nut and the seal. The seal may be removably attached to one of the fitting members by a plurality of retainers that extend into an O-ring channel of the fitting and cooperate with an O-ring retainer wall.
    Type: Application
    Filed: May 15, 2013
    Publication date: November 28, 2013
    Inventors: Burleigh George Bailey, Eric Lamar Grimes, John Rucker
  • Publication number: 20120280497
    Abstract: Gaskets for use with a bell and spigot coupling system are disclosed herein. The gasket comprises an elastomeric member having a front edge, a first section, and a second section. Axial forces generated by the insertion of the spigot to the first section of the elastomeric member displace the first section of the elastomeric member in an axial and radial direction.
    Type: Application
    Filed: July 6, 2012
    Publication date: November 8, 2012
    Applicant: MUELLER INTERNATIONAL, LLC
    Inventors: William W. Holmes, IV, William H. Owen
  • Patent number: 8282139
    Abstract: A quick connector coupling for a fluid line includes a female connector body defining a through bore, a tubular male member with a raised annular upset, and a retainer demountably coupled to the connector body. A seal assembly provides a fluid tight seal between the tube and body bore. A separate outer spacer is secured to the body to receive axial load of the seal assembly. The body defines spaced arcuate locking ledges having axially inward facing radial locking surfaces. The outer spacer is a continuous annular element includes an integral radial ring defining an annular axially outward facing radial abutment surface in radial abutting relation to the locking surfaces of said body ledges.
    Type: Grant
    Filed: March 2, 2009
    Date of Patent: October 9, 2012
    Assignee: TI Group Automotive Systems, LLC
    Inventors: Jim Kerin, Stephen Gunderson, Richard M. Pepe
  • Patent number: 8246087
    Abstract: Coupling members each have a fluid channel having an opening passageway orthogonal to an abutting end face of the coupling member, and a slanting main passageway communicating with the opening passageway. The opening passageway has diameter equal to the inside diameter of a gasket holding annular ridge of the coupling member. A gasket has an inside diameter smaller than the diameter of the opening passageway.
    Type: Grant
    Filed: November 9, 1999
    Date of Patent: August 21, 2012
    Assignee: Fujikin Incorporated
    Inventors: Michio Yamaji, Tsutomu Shinohara, Nobukazu Ikeda
  • Publication number: 20120169999
    Abstract: Disclosed is a method of assembling three-dimensional display apparatus, comprising the steps of: providing a support unit comprising a projector mounting and a screen mounting surface with a first aperture therethrough; providing a screen unit, the screen unit comprising a diaphragm and an inflatable screen affixed thereto, the diaphragm defining a second aperture in communication with the interior of the inflatable screen; bringing the screen mounting surface and the diaphragm into contact so as to align the first aperture with the second aperture; and securing the support unit to the screen unit to thereby create a seal between the support surface and the diaphragm around the first and second apertures, wherein the seal is sufficiently gas tight to enable inflation of the screen.
    Type: Application
    Filed: June 11, 2009
    Publication date: July 5, 2012
    Inventors: William George Grey Cavendish, Oliver Roland Collier, Andrew Charles Crofts, Alan Miller Suttie, Alex Graham Mitchell
  • Patent number: 8172273
    Abstract: A sealing arrangement for a coupling for refrigerant lines comprises a first coupling piece, which is connected sealingly to a first line end piece, and a second coupling piece which is connected sealingly to a second line end piece. In the sealing arrangement, a sealing ring is held on the sealing face of one of the two coupling pieces by a holding device which is configured as a plastic cap having a through hole. The plastic cap has at least one predetermined breaking location (26) which is configured as a groove which reduces the material thickness of the plastic cap in such a way that the material integrity at the predetermined breaking location (26) is maintained during assembly and breaks apart during disassembly.
    Type: Grant
    Filed: January 30, 2009
    Date of Patent: May 8, 2012
    Assignee: ContiTech Kuehner GmbH & Cie. KG
    Inventor: Andreas Wildermuth
  • Patent number: 8128132
    Abstract: The pest control seal for a recreational vehicle (RV) comprises a relatively soft and resilient foam material, which is compressed into the annular opening between the conduit and a passage through the wall or panel of the service compartment of the RV, and a relatively thin, hard retainer, which is attached to the rim or flange of the hose or conduit opening or passage. The foam material and retainer may be attached to each other, or may be installed as separate pieces held in place by compression and suitable fasteners. The retainer may be formed as two semicircular components, or as a single annular piece.
    Type: Grant
    Filed: October 10, 2006
    Date of Patent: March 6, 2012
    Assignee: RTC Technical Services Inc.
    Inventor: Jerry R. Cravens
  • Publication number: 20120007358
    Abstract: A gasket retention system and flange coupling has a ring gasket that disposes in seal seats on opposing flanges. One or more retainer tabs extend from an outer periphery of the ring gasket. Preferably, the ring gasket defines a slot on the outer periphery, and the retainer tab affixes with an interference fit in the slot to be held therein. The retainer tab defines a transverse opening therethrough. When the ring gasket fits into the seal seat of one of the flanges, the transverse opening of the tab fits onto a fastener affixed in a pre-drilled hole in the face of the flange.
    Type: Application
    Filed: July 7, 2010
    Publication date: January 12, 2012
    Applicant: FEDERAL FLANGE, INC.
    Inventors: Lucas C. Mackey, Michael R. Stapleton, Waverly L. Johnson, III
  • Patent number: 7984933
    Abstract: An assembly comprises a multi-use torque fitting, a length of tubing, and a compressible ferrule, wherein the assembly is configured to couple an end of the length of tubing to a port of a fluid-handling device in a hermetically sealed or substantially leak-proof manner. Generally, the fitting is configured to provide a degree of compression to the compressible ferrule sufficient to prevent fluid leakage at the ferrule/port interface. This fitting generally comprises a threaded body portion and a torque-limiting body portion, wherein the threaded body portion and the torque-limiting body portion are arranged concentrically along a longitudinal axis of the fitting.
    Type: Grant
    Filed: February 28, 2008
    Date of Patent: July 26, 2011
    Assignee: Diba Industries, Inc.
    Inventor: Gary C. Helstern
  • Patent number: 7950700
    Abstract: A connector assembly and method of creating a connection is described. The connector assembly includes a connector fitting having at least one receiving component on an end of the connector fitting and a gasket having at least one appendage, where the at least one appendage of the gasket engages the at least one receiving component to create an at least temporary secured attachment of the gasket to the connector fitting end.
    Type: Grant
    Filed: October 30, 2008
    Date of Patent: May 31, 2011
    Assignee: PAW BioScience Products, Inc.
    Inventors: Benjamin Willemstyn, Timothy Korwan
  • Publication number: 20110031745
    Abstract: An object of the present invention is to provide a fluid coupling, even if it has a large diameter, in which a coupling member can be readily retained by a retainer and the retainer can be readily attached to or detached from the coupling member, and a retainer for such a fluid coupling. A retainer 5 includes an annular gasket retaining portion 21 for retaining a gasket 4 therein and an annular coupling member retaining portion 22 which has an inner diameter greater than that of the gasket retaining portion 21 and retains one coupling member 2. At an inner circumference of the gasket retaining portion 21 and an inner circumference of the coupling member retaining portion 22 are formed annular grooves 23 and 24, respectively, for holding therein elastic rings 25 and 26, respectively.
    Type: Application
    Filed: April 21, 2009
    Publication date: February 10, 2011
    Applicant: FUJIKIN INCORPORATED
    Inventors: Tomohiro Nakata, Akihiro Harada, Michio Yamaji
  • Publication number: 20110031746
    Abstract: A pipe fitting, useable in the installation of a sprinkler head, includes (a) a body having an open upstream end and an open downstream end, the downstream end having internal threads capable of accepting a threaded male fitting, the body defining an gasket retention area located upstream of the internal threads; and (b) an gasket disposed within the gasket retention area. The gasket retention area and the gasket are chosen so that a threaded male fitting threadedly disposed within the downstream end of the body can be rotated within the downstream end of the body 360° while remaining liquid tight for pressures in excess of 300 psig.
    Type: Application
    Filed: August 6, 2009
    Publication date: February 10, 2011
    Inventor: Wayne Spears
  • Patent number: 7883119
    Abstract: A composite gland sealing for the interlocking coupling of a housing end piece (8) including an anchoring groove (82), a plastic ring (14) and several locking inserts (20). Each locking insert (20) includes a radially external head (30) provided with a first front projection (50, 52) applicable against the annular front surface (90) of the anchoring groove (82). The head (30) comprises includes a second frontal projection (52, 50) radially shifted from the first front projection (50, 52).
    Type: Grant
    Filed: September 21, 2005
    Date of Patent: February 8, 2011
    Assignee: Saint-Gobain Pam
    Inventors: Alain Percebois, François Maire, André Schneider, Roland Martin
  • Publication number: 20100327578
    Abstract: An inexpensively manufactured coupling structure (21) for an absorption refrigeration circuit includes a gasket (27) held between two coupling members (23, 26). The gasket has a protruding part (32) that elastically de-forms when clamped between adjoining faces (22, 25) of the two coupling members.
    Type: Application
    Filed: March 10, 2009
    Publication date: December 30, 2010
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Hidetaka Kayanuma, Hideyuki Akaba, Kazuma Ichikawa, Mitsuru Ishikawa
  • Publication number: 20100308578
    Abstract: This invention relates to pipe coupling with multi-combed, self-pressurizing internal seals and an integral pipe fastening system to join and seal pipes of all sizes, fluid contents and line pressures. The invention embodies a coupling body, two pressure responsive seals installed in recessed seal grooves located at opposite outside edges of the pipe coupling body, and seal body consisting of a unidirectional fluid inlet and internal pressure responsive chamber and an external sealing surface comprised of several resilient, multi-combed and conjoined lips and fluid pockets which form a series of redundant seals around the outside axial surface of pipes joined within the coupling. Fluid escaping from the pipe juncture enters the internal pressure responsive chamber through the unidirectional orifice wherein trapped fluids expand the pliable external multi-combed seal surface against the axial surface of each pipe with corresponding force to prevent the outward flow of fluid from the pipe coupling.
    Type: Application
    Filed: March 30, 2010
    Publication date: December 9, 2010
    Inventors: Michael J Skellern, Keith Wyness, Richard Ollerhead
  • Patent number: 7845686
    Abstract: A restrained pipe joining system is shown comprising male and female ends each having aligned circumferential grooves which form a canal for passage of a locking key strap. During manufacture, the female belled end is sequentially formed over a Rieber style gasket and then over a ring shaped casing member having an inner circumferential groove formed on its inner circumferential surface. Preferably, the ring shaped casing has circumferentially spaced teeth that act as a pipe stop in cooperation with an outer circumferential groove on the male spigot to index the pipes to be coupled.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: December 7, 2010
    Assignee: S & B Technical Products, Inc.
    Inventor: Keith Steinbruck
  • Publication number: 20100283240
    Abstract: A chamber interface sealing assembly includes first and second chambers with respective first and second mating walls disposed adjacent each other. The first and second mating walls have respective through holes, which are aligned to form a passage interconnecting the first and second chambers. A first flange extends outwardly from the first mating wall and away from the passage. A second flange extends outwardly from the second mating wall and away from the passage. The first and second flanges define a circumferential concave groove therebetween. A close-loop gasket is disposed within the circumferential concave groove.
    Type: Application
    Filed: May 5, 2009
    Publication date: November 11, 2010
    Applicant: APPLIED MATERIALS, INC.
    Inventor: HANS PETER THEODORUS CEELEN
  • Publication number: 20100259042
    Abstract: A pipe fitting, useable in the installation of a sprinkler head, includes (a) a body having an open upstream end and an open downstream end, the downstream end having internal threads capable of accepting a threaded male fitting, the body defining an gasket retention area located upstream of the internal threads; and (b) an gasket disposed within the gasket retention area. The gasket retention area and the gasket are chosen so that a threaded male fitting threadedly disposed within the downstream end of the body can be rotated within the downstream end of the body 360° while remaining liquid tight for pressures in excess of 300 psig.
    Type: Application
    Filed: April 6, 2009
    Publication date: October 14, 2010
    Inventor: Wayne Spears
  • Patent number: 7766391
    Abstract: A pipe connecting structure including a male flange block combined with a first pipe and a female flange block combined with a second pipe, which is fastened to the male flange block by a fastener, where a protrusion having a hole that communicates with the first pipe is formed through the male flange block, and an insert portion into which the protrusion is inserted is formed through the female flange block, and a sealing member to closely contact with the end face of the protrusion is seated on the bottom inside the insert portion, and the sealing member includes an inner sealing part of soft metal and an outer sealing part of rubber tightly fitted around the outer circumference of the inner sealing part.
    Type: Grant
    Filed: April 2, 2007
    Date of Patent: August 3, 2010
    Assignee: Doowon Climate Control Co., Ltd.
    Inventors: Jong Chul Kim, Jung Uk Hwang, Hong Yeol Lee, Ki Chun Sung
  • Publication number: 20100171308
    Abstract: A fluid fixture has a body defining an inner peripheral bore to receive a tube. A securement member secures a tube within the body. The securement member is positioned within the inner peripheral bore of said body. A pair of O-rings are spaced along a central axis of the bore. An O-ring spacer is positioned intermediate the O-rings. The O-ring spacer has a nominal outer periphery which is smaller than an inner diameter of the inner peripheral bore. The nominal outer surface includes radially outwardly extending portions which are sized to be larger than the inner diameter of the bore, such that the portions contact the bore, and center the spacer.
    Type: Application
    Filed: January 5, 2009
    Publication date: July 8, 2010
    Inventors: Brian D. Sanzone, Joseph P. Schutte
  • Patent number: 7744133
    Abstract: A clamping apparatus for allowing pre-close-out access to the head of a Stirling machine and facilitating subsequent close-out welding of the head. The head is axially separable into removable and fixed portions that engage each other. Each portion has an annular flange extending radially outwardly at its engaging end, and each flange has an annular groove. O-rings are seated in the grooves. A temporary sealing ring surrounds and engages the O-rings. Clamping rings seat against axially opposite sides of the abutting annular flanges. Fasteners draw the rings together, thereby drawing the fixed and removable portions of the head together and securing them against relative axial movement. For close-out of the machine, the clamping rings, temporary sealing ring, and O-rings are removed and the grooved annular flanges serve as weld reliefs for final hermetic close-out welding.
    Type: Grant
    Filed: February 27, 2007
    Date of Patent: June 29, 2010
    Assignee: Sunpower, Inc.
    Inventors: James Gary Wood, Joseph P. Carroll
  • Patent number: 7722053
    Abstract: An outer ring of a clamp-type joint for vacuum apparatus is disclosed. The joint includes a base forming an outer circumferential side and a pair of brims respectively extending from the top and bottom of the base toward the center axis of the joint, the inner side of the brims on which the brims come into contact with the O-ring being in the form of a convex sector, of which the arc faces the O-ring. The radius r of the circle forming the sector is 0.6-2.5 mm and the thickness (t0) satisfies the following formula: t1?0.2?t0?t1+0.4. In the formula, t1 is a thickness (mm) of the center ring at the point at which the center ring engages with the O-ring. The clamp-type joint can exhibit stable sealing performance at a high temperature of 250° C. or more without cracking of the O-ring.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: May 25, 2010
    Assignee: Nichias Corporation
    Inventors: Kanji Hanashima, Hideaki Mori
  • Patent number: 7712788
    Abstract: A connecting assembly for coolant lines, in particular for motor vehicle air conditioning systems which are operated with CO2, from a first coupling element that can be connected to a first line end piece, and a further air conditioning circuit component. The first coupling element and the air conditioning circuit component are joined by a screw so that the first line end piece and the air conditioning circuit component are connected to one another by means of one bore each and radially extending sealing faces. A sealing ring is arranged between the faces. A space holder is arranged between the first coupling element and the further air conditioning circuit component. The first line end piece has a radially extending sealing face which is produced by plastic deformation of the line end piece without removing material. The first coupling element has an annular collar which presses the sealing face onto the sealing ring in the mounted state.
    Type: Grant
    Filed: March 10, 2006
    Date of Patent: May 11, 2010
    Assignee: ContiTech Kuehner GmbH & Cie. KG
    Inventors: Andreas Wildermuth, Alex Werner, Mike Eismann, Wolfgang Plischke, Klaus Lesser
  • Patent number: 7681928
    Abstract: A pipe fitting is made of plastic, such as polysulphone PSU or polyphenylsulphone PPSU. At least one end of the pipe fitting (1) comprises an external thread (2) for connecting the pipe fitting (1) to a mounting element, such as a pipe or a mounting piece, e.g. a tap. The thread (2) comprises a ridge (3). Between the ridges (3) there is a continuous helical groove (4). On the bottom of the groove (4) between the ridges (3) of the thread (2) there are protrusions (5).
    Type: Grant
    Filed: November 25, 2004
    Date of Patent: March 23, 2010
    Assignee: Uponor Innovation AB
    Inventor: Jarmo Smahl
  • Patent number: 7661731
    Abstract: An apparatus according to which the apparatus includes a pair of connected arcuate members for clamping around a pipe, with each arcuate member including at least one protrusion. The arcuate members have a first material hardness and at least a portion of the at least one protrusion has a second material hardness that is greater than the first material hardness so that the portion penetratingly engages the pipe when the arcuate members are clamped around the pipe.
    Type: Grant
    Filed: April 29, 2008
    Date of Patent: February 16, 2010
    Assignee: EBAA Iron, Inc.
    Inventor: Earl Terence Bradley
  • Publication number: 20100025992
    Abstract: An O-ring has a flange which includes a plurality of slots, such that, when inserted into an annular groove of a pipe fitting before crimping, the slots allow the flow of fluid therethrough, such that an installation would not pass pressure tests until such time as a proper crimp has been made. Such a design allows the use of conventional push-on pipe connections by utilizing a unique O-ring seal which works in conjunction with standard push-on crimp-type pipe fittings and conventional crimping tools for subsequently sealing the connection. The O-ring is either circular or elliptical in cross section and the slots define equally spaced annular segments.
    Type: Application
    Filed: July 30, 2009
    Publication date: February 4, 2010
    Applicant: NIBCO Inc.
    Inventor: Scott Lee Spence
  • Patent number: 7632077
    Abstract: An inclined plate-type compressor includes a cylinder head, a discharge chamber having an annular shape and disposed along an outer circumferential portion of the cylinder head, a suction chamber disposed at a central portion of the cylinder head, a valve plate including discharge ports, and a discharge valve including reed valve-type valve bodies disposed in the discharge chamber. Each valve body opens and closes a corresponding discharge port, and each valve body extends in a circumferential direction of the discharge chamber and is oriented along the annular shape of the discharge chamber. Because each valve body extends in the circumferential direction of the discharge chamber, the length of each valve body may be increased as compared with that in known compressors, wherein the valve body extends in the radial direction over the width of the annular discharge chamber. Consequently, stress, which is generated at a root portion of each valve body when the valve body is opened or closed, may be reduced.
    Type: Grant
    Filed: May 5, 2005
    Date of Patent: December 15, 2009
    Assignee: Sanden Corporation
    Inventor: Shinji Tagami
  • Patent number: 7618070
    Abstract: A fluid coupling assembly which has a novel female subassembly capable of receiving a male portion, the female subassembly being formed by spin welding two generally cylindrical plastic parts together, one of the parts being a quick connect end portion and the other part being the barb end portion. The female subassembly is provided with a key or keyway to prevent rotation, to mate with a corresponding key or keyway on the male portion to prevent false connections, and to act as a clear visual aid for orientation. In this design differing barb end portions can be secured to a common quick connect end portion.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: November 17, 2009
    Assignee: Jiffy-Tite Co, Inc.
    Inventors: Robert H. Stoll, Gregory L. Adams, James C. Caroll, James D. Messecar, Sr.
  • Patent number: 7604262
    Abstract: A sealing arrangement for a hydraulic plug-in connection for use in particular in the motor vehicle industry for hydraulic clutch and brake systems is fitted on a hydraulic plug-in connection and has a socket and a plug-in fitting which can be connected thereto. The plug-in fitting is attached to a hydraulic tube. The plug-in fitting has a sleeve and a sealing element fixed thereto, which seals off the plug-in connection both from the hydraulic tube and from the exterior of the socket. The sealing element and the end of the sleeve which receives the sealing element are designed so as to be able to install the sealing arrangement without it being possible for the sealing element to be separated axially from the sleeve when the plug-in connection is released.
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: October 20, 2009
    Assignee: FTE automotive GmbH
    Inventors: Stephen Elflein, Albert Vogel
  • Publication number: 20090184513
    Abstract: For use with a pipe fitting, an adapter including a hollow, substantially cylindrical sleeve formed of a polymeric material, preferably Nylon, the sleeve defining a bore on a first open end for engaging a pipe fitting and a tapered second open end for insertion into a pipe. A pipe fitting assembly is formed by the adapter together with a hollow fitting having a first open end defining an insert adapted and configured for insertion into the bore of the adapter; and a stop member; the adapter being adapted to abut against the stop member.
    Type: Application
    Filed: July 23, 2007
    Publication date: July 23, 2009
    Applicant: SAGIV SHITUFIT CHAKLAIT BE'AM
    Inventor: Moty Avnon
  • Patent number: 7537248
    Abstract: 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 includes a circumferential housing and a companion sealing ring which are received within a mating groove provided in the belled end of a female pipe. The circumferential housing has an interior region which contains a gripping ring insert. The sealing ring and housing are integrally located within a belled pipe end during belling operations.
    Type: Grant
    Filed: August 28, 2007
    Date of Patent: May 26, 2009
    Assignee: S & B Technical Products, Inc.
    Inventors: Jim Jones, Bradford G. Corbett, Jr., Gerardo Darce, Randall Chinchilla
  • Patent number: 7520511
    Abstract: An O-ring used in a clamp-type joint for a vacuum apparatus, which engages with a concave groove in the outer circumference edge of the center ring and is sandwiched by an outer ring having a U-shaped outer circumference, wherein the radius of the circular arc in the cross-section on the side coming into contact with the outer ring is smaller than the radius of the circular arc in the cross-section on the axial side of the joint. A clamp-type joint for the vacuum apparatus which can exhibit stable sealing performance at a high temperature of 200° C. or more without cracking of the O-ring, as well as an outer ring and O-ring used with the clamp-type joint are also provided.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: April 21, 2009
    Assignee: Nichias Corporation
    Inventors: Hideaki Mori, Kanji Hanashima
  • Patent number: 7513536
    Abstract: A pipe sealing gasket is shown which is designed to be received within a groove provided within a socket end of a thermoplastic pipe in a pipe sealing system. The sealing system includes a male, spigot pipe end which is joined to a mating female belled pipe end. The belled pipe end has an internal groove adjacent a mouth region thereof which is simultaneously formed under temperature and pressure as the mouth region is forced over a forming mandrel and about a sealing gasket located on the forming mandrel so that the sealing gasket is prelocated within the internal groove. The sealing gaskets of the invention have a specially designed sealing capability to seal volume ratio.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: April 7, 2009
    Assignee: S & B Technical Products, Inc.
    Inventors: Bradford G. Corbett, Jr., Gerardo Darce, Guido Quesada
  • Patent number: 7384076
    Abstract: An apparatus and method according to which the apparatus includes a pair of connected arcuate members for clamping around a pipe, with each arcuate member including at least one protrusion. The arcuate members have a first material hardness and at least a portion of the at least one protrusion has a second material hardness that is greater than the first material hardness so that the portion penetratingly engages the pipe when the arcuate members are clamped around the pipe.
    Type: Grant
    Filed: October 22, 2004
    Date of Patent: June 10, 2008
    Assignee: EBAA Iron, Inc.
    Inventor: Earl Terence Bradley
  • Patent number: 7364166
    Abstract: A seal/retainer unit (10) comprising an annular sealing gasket (12) and a plurality of retaining legs (14) extending generally perpendicularly therefrom. The sealing gasket (12) and the retaining legs (14) are formed in one piece (e.g., stamped) from a sealing material and dimensioned to allow nesting of a plurality of seal/retainer units (10) in a stacked arrangement. The retaining legs (14) may each include a rounded distal edge (16) to minimize package-tearing and interpart-marking and/or a break-off notch (18) to allow special customization. A radiused corner (20) between the gasket (12) and the legs (14) assures a gap between nested parts.
    Type: Grant
    Filed: January 24, 2003
    Date of Patent: April 29, 2008
    Assignee: Applied Engineered Surfaces, Inc.
    Inventors: John Arthur Yoakam, Richard Alan Quayle, Dennis Floyd Quayle
  • Patent number: 7354075
    Abstract: An adapter assembly having an intermediate ring and a screw-in part for a fluid plug-in system. The adapter assembly includes an externally threaded portion for threading into a threaded bore and an actuating shoulder. A receiving groove is formed in the transition between the actuating shoulder and the externally threaded portion with a first sealing ring is disposed therein. The intermediate ring fits onto the externally threaded portion and has opposing axially spaced annular portions. A first annular portion cooperates with the receiving groove and the actuating shoulder to form a first sealing chamber for the first sealing ring. A second sealing seat of a second annular portion facing away from the actuating shoulder cooperates with a surrounding surface adjacent to the bore and the externally threaded portion to form a second sealing chamber for the second sealing ring axially spaced from the first sealing chamber.
    Type: Grant
    Filed: August 25, 2003
    Date of Patent: April 8, 2008
    Assignee: Voss Automotive GmbH
    Inventor: Harald Hagen
  • Patent number: 7207605
    Abstract: Coupling components which prevent relative rotation between tubular members when break away torque forces are applied to the tubular members. In one embodiment, the invention is a locking ring for preventing relative axial rotation between two generally tubular members. The ring is shaped to receive a sealing gasket and has two side faces wherein each side face is shaped to frictionally engage one of the tubular members to thereby prevent relative axial rotation between the tubular members. The invention is also directed to a coupling including a locking ring. The tubular members are generally coaxially arranged such that the sealing faces face each other. The coupling comprises a sealing gasket captured between the sealing beads for sealing the coupling, wherein the frictional surfaces engage the sealing gasket to prevent relative rotation between the tubular members.
    Type: Grant
    Filed: August 11, 2003
    Date of Patent: April 24, 2007
    Assignee: Swagelok Company
    Inventors: Benjamin J. Olechnowicz, Gerald A. Babuder, Timothy A. Barney, Ronald K. Fisher
  • Patent number: 7021677
    Abstract: An improved seal retainer for an undersea hydraulic coupling member, which utilizes metal seals to maintain fluid integrity, is disclosed. The metal seals of the present invention are designed to either create an absolute barrier to fluid flow, or utilize a press or interference fit to create a barrier to fluid flow to ensure fluid integrity between the undersea hydraulic coupling and the environment outside the hydraulic coupling.
    Type: Grant
    Filed: October 20, 2003
    Date of Patent: April 4, 2006
    Assignee: National Coupling Company, Inc.
    Inventor: Robert E. Smith, III
  • Patent number: 6994356
    Abstract: A gasket seal for piping and equipment flanges comprises a sealing ring and a centralization ring, preferably concentric rings made of a metallic alloy. The sealing ring has an outer contour surface having a substantially L-shaped cross-section comprising an innermost portion and an outermost portion extending axially and a radial portion interconnecting the inner and the outer portions. The centralization ring has an inner contour surface defining a central opening, substantially coincident with the innermost portion of the outer contour surface of the sealing ring, so that the latter can be fitted into the opening as far as the radial portion of its outer contour surface. A deformation is made on the innermost portion of the outer contour surface of the sealing ring, forming a projection, whereby the centralization ring can be retained between the projection and radial portion without the centralization ring needing to be separated and then welded.
    Type: Grant
    Filed: March 5, 2003
    Date of Patent: February 7, 2006
    Assignee: Manegro Administracao e Paticipacoes Ltda
    Inventor: José Carlos C. Veiga
  • Patent number: 6969094
    Abstract: A tube coupling for the detachable coupling of tube line sections of a high-pressure tubing system. The tube coupling includes two coupling blocks held together by a clamping screw, whereby one of the coupling blocks has a coupling plug that engages a plug socket provided on the other coupling block. A sealing ring is formed of a plastically deformable material and is enclosed between a front face of the coupling plug and a bottom-side sealing surface of the plug socket. In order to protect the sealing ring from being lost, damages and/or contaminated during assembly or opening and dosing the coupling, in a preassembled condition it is enclosed within a protective socket. To homogeneously load the sealing ring, the sealing ring is located at one point of a supporting triangle, the two other supporting points of being formed by a pair of supporting surfaces arranged side by side at an outer end of side flanges of the coupling blocks.
    Type: Grant
    Filed: December 18, 2003
    Date of Patent: November 29, 2005
    Assignee: Visteon Global Technologies, Inc.
    Inventors: Jörn Fröhling, Stefan Sturm, Frank Obrist, Peter Kuhn, Stefan Kröss
  • Patent number: 6899358
    Abstract: A hammer union comprises a thread end, a nut end and a hammer nut which, when cinched up, compresses a composite seal assembly thereby preventing leakage. The seal assembly comprises a metal insert of a size to pass into the seal groove of conventional hammer unions and a small seal acting between the insert, the thread end and the nut end. The small seal is conveniently an O-ring and is of a size that is compressed when the seal assembly is inserted into the thread end of the hammer union, thereby preventing the seal assembly from falling out of the threaded end when it is inverted. The metal insert provides another groove opposite the small seal to receive a second O-ring which acts as a spring to bias the small seal into sealing engagement, thereby allowing the new seal assembly to accommodate more variation in the length of the existing seal groove in prior art hammer unions.
    Type: Grant
    Filed: November 13, 2002
    Date of Patent: May 31, 2005
    Inventor: H. Gary Richardson
  • Patent number: 6893052
    Abstract: A connecting arrangement for coolant lines includes a first coupling piece, connected seal-tight to a first line endpiece, and a second coupling piece, connected seal-tight to a second line endpiece. The coupling pieces each have radially extending sealing surfaces on the side facing toward the other coupling piece. A sealing ring is mounted between the sealing surfaces. The coupling pieces are joined to each other via a screw arranged laterally offset from the sealing surfaces so the line endpieces connect to each other via respective bores in the coupling pieces. A form body between the coupling pieces arranged at a spacing from the screw on the side facing away from the sealing surfaces is configured so a lever action occurs when the coupling pieces are joined to each other leading to a uniform pressing together of the sealing ring between the sealing surfaces of the coupling pieces.
    Type: Grant
    Filed: February 5, 2004
    Date of Patent: May 17, 2005
    Assignee: ContiTech Kuehner GmbH & Cie. KG
    Inventors: Andreas Wildermuth, Mike Eismann
  • Publication number: 20040251687
    Abstract: A nut and tail assembly (10) and method of manufacture including a nut (12) having a first end and an inward flange (24) at the other end, a longitudinal cylindrical hollow body (14) having a first end and a second end at which is located an outstanding flange (40) and a circular longitudinal sleeve (16). The sleeve (16) extends along said sliding surface and has a flange (44) at a first end abutting against the body flange (24). A stop (34) is located between the ends of the body (14) and defines a cavity sliding surface generally parallel to the longitudinal body between the stop (34) and flange (44). The nut inward flange (24) extends into the body cavity and is of a large enough diameter to be able to slide on said body sliding surface but small enough to be held within said cavity defined between said stop (34) and sleeve flange (44). Projections (50) on the sleeve flange (44) assist in locating the sleeve (16) relative to the nut (12) during the moulding process.
    Type: Application
    Filed: May 4, 2004
    Publication date: December 16, 2004
    Inventors: David Chelchowski, Geoffrey B Puckett
  • Publication number: 20040239106
    Abstract: An improved joining assembly employs a retainer ring member to hold in place a gasket member in a pipe or fitting. A resilient annular gasket member is placed inside a first conduit member (pipe or fitting). An annular retainer member is provided to secure the annular gasket member inside the first conduit member against longitudinal movement towards the open end of the first conduit member. A second conduit member is received by the assembled components comprising the retainer member, gasket member and first conduit member. The retainer ring member is fixed in place by a suitable adhesive or a suitable welding technique.
    Type: Application
    Filed: September 30, 2003
    Publication date: December 2, 2004
    Applicant: Ipex Inc.
    Inventors: Rene Lanteigne, Doug Victor Woolford
  • Patent number: 6786517
    Abstract: 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 comprises a spigot wedge ring, a socket wedge ring, and one or more specially designed wedge housings. The spigot wedge ring features one or more spigot gripping protrusions which, upon contact, frictionally engage the spigot pipe. The socket wedge ring similarly features one or more socket gripping protrusions which, upon contact, frictionally engage the socket pipe. The wedge housings position the spigot wedge ring and/or the socket wedge ring so that the gripping protrusions grip the pipes, preventing axial movement (whether separation or compression).
    Type: Grant
    Filed: November 5, 2001
    Date of Patent: September 7, 2004
    Inventor: Dennis D. Shumard
  • Patent number: 6764109
    Abstract: A hammer union comprises a thread end, a nut end and a hammer nut which, when cinched up, compresses a composite seal assembly thereby preventing leakage. The seal assembly comprises a metal insert of a size to pass into the seal groove of conventional hammer unions and a small seal acting between the insert, the thread end and the nut end. The small seal is conveniently an O-ring and is of a size that is compressed when the seal assembly is inserted into the thread end of the hammer union, thereby preventing the seal assembly from falling out of the threaded end when it is inverted.
    Type: Grant
    Filed: July 31, 2002
    Date of Patent: July 20, 2004
    Inventors: H. Gary Richardson, Paul H. Snowden
  • Publication number: 20040108714
    Abstract: A pipe fitting includes a body having sockets for receiving pipes therein and a composite gasket housed within a circumferential gasket retention housing integral with the socket. The composite gaskets include a V-shaped carrier of relatively stiff plastic having an elastomeric seal portion bonded thereto.
    Type: Application
    Filed: December 6, 2002
    Publication date: June 10, 2004
    Inventor: Jon Houghton