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| Number | Title | Issue Date |
| 8061715 | Glad hand fitting and gasket for railroad car brake hose A glad hand with an improved gasket for use in the coupling of end hoses in railroad cars. The gasket provides an increased surface area for a wider sealing surface and increased sealing properties for coupling with another gasket on a glad hand. ... | 11/22/2011 |
| 7883095 | Annular seal member for use in spherical exhaust pipe joint, and production method thereof An annular seal member for use in a spherical exhaust pipe joint is provided with, on an inner peripheral surface and an outer peripheral surface thereof, a sliding surface for slidably moving the spherical exhaust pipe joint. The annular seal member includes an ann... | 02/08/2011 |
| 7802799 | Method of joining metallic and composite components A method is provided for joining a metallic member to a structure made of a composite matrix material. One or more surfaces of a portion of the metallic member that is to be joined to the composite matrix structure is provided with a plurality of outwardly projectin... | 09/28/2010 |
| 7762559 | Gasket A gasket in an integrated double-layered structure comprising an outer layer and an inner layer enclosed by the outer layer, in which the outer layer is a low-hardness rubber layer having a JIS A hardness of 40-70, and the inner layer is a high-hardness rubber layer... | 07/27/2010 |
| 7455301 | Seamless corrugated insert gasket and method of forming the same The invention relates to a seamless hybrid gasket and the method of making the same. The gasket includes a unitary polymer construction and an insert for enhanced pressure resistance, reduced stress to seal, improved thermal cycling performance and structural suppor... | 11/25/2008 |
| 7413195 | Spherical annular seal member A spherical annular seal member (58) includes: a spherical annular base member (56) defined by a cylindrical inner surface (52), a partially convex spherical surface (56), and end faces (54, 55); and an outer layer (57) form... | 08/19/2008 |
| 7410174 | Restraining 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 |
| 7384662 | Through structure of connecting line at gastight chamber, and ejection system incorporating same; method of manufacturing LCD device, organic EL device, electron emitting device, PDP device, electrophoresis display device, color filter, and organic EL; and method of forming spacer, metal wiring, lens, resist, and light diffuser There is provided a through structure of connecting lines extending through a wall of a gastight chamber. The through structure of the connecting lines is capable of positively sealing between the wall and the connecting lines extending therethrough. The through str... | 06/10/2008 |
| 7384457 | Seal for gas chromatography A seal forming a fluid tight connection between a gas chromatography column and a sample inlet assembly is disclosed. The seal is formed by a metal injection molding process. The seal has a first surface adapted for sealing with the sample inlet assembly and a secon... | 06/10/2008 |
| 7341255 | Sealing fitting with expanding material An expanding compound is used to seal conduit fittings. The compound is injected into the fitting, and expands to separate conductors within the fitting. In one embodiment, the compound expands to four times its size, and hardens within approximately one hour. In a ... | 03/11/2008 |
| 7341285 | Chemical fusion of non-metallic pipe joints A pipe joint for joining pipes having a low surface energy and resistance to solvents. The components are an extrudable adhesive; a first pipe having a socket with an inside diameter, where the socket has a mouth, a self-centering bottom, and a cylindrical wall with... | 03/11/2008 |
| 7328685 | Slip joint exhaust manifolds A multi-piece exhaust manifold includes a ring seal between separate portions. The separate portions have generally cylindrical sealing surfaces formed thereon to mate with the ring seal. The ring seal may include a metal sheath filled with graphite or other sealing... | 02/12/2008 |
| 7278639 | Edge coated gaskets and method of making same An edge coated gasket includes a base sheet made of compressible gasket material and having opposed faces and an interior edge surrounding and defining an aperture. An edge coating of polymer or other material is disposed on and seals the interior edge of the base s... | 10/09/2007 |
| 7255353 | Flexible graphite sealing joint with metal jacket for high temperature The seal can be used at high temperature. It is composed of a central flexible graphite core (10) maintained in its shape by two metal cups (12) that do not touch. It is all surrounded by a tight sheath (15) enabling the flexible core (10... | 08/14/2007 |
| 7252902 | High-temperature resistant seal The invention relates to a high-temperature resistant seal, particularly a seal for use in a high-temperature fuel cell. The inventive seal comprises a structured metallic layer having at least one area on whose surface a filler is placed. The filler is comprised, i... | 08/07/2007 |
| 7232160 | Pipe clamp inner seal A sealing of pipe repair clamps is taught providing a flexible inner sheet or sleeve adapted for duty inside a pipe repair clamp to prevent leakage of the fluid to be transported in a pipeline. The inner sheet or sleeve may be used in combination with a band-type pi... | 06/19/2007 |
| 7185894 | Watertight corrugated pipe gasket A corrugated pipe saddle gasket is provided having a leading member, a primary sealing member, and an arm member, with the gasket having a contoured surface extending along at least a portion of the bottom of the primary sealing member and the arm member correspondi... | 03/06/2007 |
| 7172202 | Spherical annular seal member and method of manufacturing the same A spherical annular seal member (1) has a seal body (4) in which a heat-resistant material (2) and a reinforcing member (3) made of a metal wire have been compressed to fill meshes of the metal wire net of the reinforcing member (3... | 02/06/2007 |
| 7168147 | Method for manufacturing a drilling tool with an elastomer seal having graded properties A method of forming a seal for a subterranean drilling tool employs irradiation. The seal is formed of a single homogeneous elastomeric material. The seal has an exterior surface with at least one portion that is in sliding engagement with part of a seal gland of th... | 01/30/2007 |
| 7121557 | Self-sealing pass-through plate A plate for passing a member from a first side of the plate through to a second side of the plate. The plate includes a retainer having a first surface on the first side of the plate, and a second surface on the second side of the plate. The retainer has one or more... | 10/17/2006 |
| 7114727 | Seal assembly and method of forming seal A seal assembly comprising an elastomeric gland having insert openings and fastener openings. Elastomeric inserts are removably disposed in the gland insert openings. The inserts have removable portions to form cable openings. Cable(s) can be placed in the cable ope... | 10/03/2006 |
| 7115221 | Method for producing graphite powder with an increased bulk density A method for increasing the Scott density of synthetic and/or natural graphite powders of any particle size distribution, preferably of highly-pure graphite, by subjecting the graphite powder to an autogenous surface treatment. The powder is used, in particular, for... | 10/03/2006 |
| 7103957 | Expendable torque converter alignment ring and assembly method In a preferred embodiment, an expendable alignment ring is adapted for centering opposing conical surfaces of a transmission torque converter and an engine crankshaft. The ring has an annular body formed of a thermoplastic such as high density polyethelene. The body... | 09/12/2006 |
| 7093861 | Exhaust pipe joint structure and coil spring used in the same An automobile exhaust-pipe joint structure and a coil spring for use therein. The exhaust pipe connection structure includes a first exhaust pipe having a first flange section, a second exhaust pipe having a second flange section, a ball joint section for connecting... | 08/22/2006 |
| 7063330 | Spherical annular seal member and method of manufacturing the same A spherical annular seal member 55 has a cylindrical inner surface 52 defining a through hole 51 in a central portion thereof, an outer surface 53 formed in the shape of a partially convex spherical surface, and an annular end face 54 ... | 06/20/2006 |
| 7055829 | Antiextrusion device An elastomeric seal having an antiextrusion device molded integrally into or onto the low pressure side of the seal. The antiextrusion of a corrugated strip into an elastomeric seal. One embodiment of the invention has the strip positioned with the midplane of its c... | 06/06/2006 |
| 7048278 | Compound sheet gasket A compound sheet gasket which exhibits superior sealing durability to fretting is provided. The compound sheet gasket is mounted between a housing and a cover provided at an opening of the housing, and the friction coefficient of any one surface of a front surface a... | 05/23/2006 |
| 7025360 | Metal seal with corrosion resistant alloy overlay A composite metal sealing ring and method are provided for sealing between tubular members. First and second tubular members have first and second conical inner sealing surfaces. A metal sealing ring has corrosion-resistant inlays defining opposing conical outer sea... | 04/11/2006 |
| 7014193 | Gasket with selectively positioned seal enhancement zones A gasket with selectively positioned seal enhancement zones located in the web of the gasket is provided. The gasket is formed of a base sheet of gasket material cut to define an interior aperture bounded by an interior edge and webs. Slots are formed at selected lo... | 03/21/2006 |
| 6997696 | Apparatus for cutting expanded graphite sheet material In a method and apparatus for cutting expanded graphite sheet material, at least one cutting tool is urged against the sheet(s). The cutting tool has at least one ridge extending therefrom that includes a substantially tapered cross-section having sloping sides and ... | 02/14/2006 |
| 6962352 | Gasket A gasket provided with a sliding-treated layer on the surface of a fluorine rubber gasket body. The sliding-treated layer is a baked coated film of a sliding treating agent. The sliding treating agent is an aqueous emulsion containing a solid lubricant, an urethane-... | 11/08/2005 |
| 6962349 | Gasket for flange connections A flat gasket for flange connections has a leakage rate below the limit value of 1*10−5 kPa*1/(s*m). The gasket assembly has a thick, areal, pressure-resistant core formed from at least one layer of graphite foil with a base weight of at most 1500 g/m | 11/08/2005 |
| 6962373 | Pipe fitting with composite gasket assembly 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... | 11/08/2005 |
| 6948717 | Joint assembly employing multi-ring gasket A multi-ring gasket (140) is for sealing the joint between two flanged general non-metallic pipes. In one embodiment, the gasket has an inner ring (72) an outer ring (132) and a plurality of spokes (77) connecting the inner ring (72 | 09/27/2005 |
| 6932353 | Bellows seal A seal has a metallic body having a convoluted cross-section extending between first and second ends and a first generally interior surface extending between the first and second ends and a second generally exterior surface extending between the first and second end... | 08/23/2005 |
| 6923998 | Edge coated gaskets and method of making same An edge coated gasket includes a base sheet made of compressible gasket material and having opposed faces and an interior edge surrounding and defining an aperture. An edge coating of polymer or other material is disposed on and seals the interior edge of the base s... | 08/02/2005 |
| 6920900 | Sewer pipe section A pipe section for lining sewer pipelines along with a system of such pipe sections and method of lining a sewer pipeline are provided. The pipe section has a first end portion having a spigot. A protective ring is mounted around the spigot for transferring a load t... | 07/26/2005 |
| 6889983 | Gasket for high-temperature joint and method of fabricating the same Provided is a gasket capable of maintaining a high sealing property under a high temperature, in which a gasket basic substance and coverture are not sublimated or decomposed when the gasket is used under a high temperature above 500° C. The gasket for a high-tempe... | 05/10/2005 |
| 6884502 | Aluminum oxide coated honeycomb for S2S and S3S sealing system with extended oxidation life Oxidation resistant sealant system comprising a honeycomb component coated with an aluminum oxide layer. ... | 04/26/2005 |
| 6883483 | Gasket with pushrod retainer In an engine having a rocker member adapted to rock about an axis intermediate the rocker member and a pushrod extending from a lower body to an upper body and engaging an end of the rocker member, a gasket for sealing the lower body to the upper body is provided. T... | 04/26/2005 |
