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| Number | Title | Issue Date |
| 7384494 | Method of making seals from polymer laminated metallic constructions The disclosure is directed to a method of forming a seal device. The method includes forming a laminate construction including a flexible material layer and a rigid material layer, patterning the rigid material layer after forming the laminate construction, and shap... | 06/10/2008 |
| 7235286 | Process for the manufacture of a plastic component with a seal, and assembly unit A plastic component, usable in a combustion engine, is made by forming an elastomeric seal onto at least one support element. The support element, complete with the seal, is placed in a cavity or fixture of a plastic injection mold, and the plastic component is crea... | 06/26/2007 |
| 7029399 | Power transmission system A power transmission system which facilitates positioning of gaskets to ensure their sealing performance. The power transmission system includes a constant velocity universal joint provided with an inner ring having a plurality of track grooves formed on its outer p... | 04/18/2006 |
| 6918597 | Gasket The invention refers to a gasket (1), the gasket having at least one metal layer (3) and at least one metal ring (5) welded thereto, the metal layer (3) having at least one through-hole (4) and the metal ring (5) being arran... | 07/19/2005 |
| 6910856 | Run-in coating for axial-flow compressor of gas turbine engines and method of using and making same Metal wire bundles are combined into brushes as a run-in coating for the axial-flow compressor stage of a gas turbine engine. The metal wire bundles are inserted into the basic material or are combined into brush segments that are inserted into corresponding recesse... | 06/28/2005 |
| 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 |
| 6830641 | Method of making a seal formed from polymer laminated metallic constructions Seal devices of this invention are prepared by the process of depositing a polymer material onto a metallic substrate to form a composite construction, and shape forming the composite construction into the shape of a seal device. The so-formed seal device comprises ... | 12/14/2004 |
| 6659471 | Gasket for sealing tri-face area A gasket is disclosed, which is adapted for the use in sealing of a tri-face area where a cylinder block, cylinder head and timing-chain housing meet together and come into abutment against one another. With the gasket of this invention, a deposit of bond... | 12/09/2003 |
| 6612030 | Multiple-ply resilient seal A seal features a first curved region generally concave in a direction of concavity, and a second curved region generally concave in the direction of the concavity of the first curved region. The second curved region is oriented within the direction of co... | 09/02/2003 |
| 6598664 | Bypass seal for air preheaters A bypass seal for a rotary regenerative air preheater includes primary and secondary seal leaves that are joined at a single position longitudinally intermediate their first and second sends. The first end portion of the primary seal leaf extends longitud... | 07/29/2003 |
| 6578851 | Gasket assembly for sealing mating surfaces A pair of substantially opposed mating surfaces are joined to each other and sealed in place by means of an electrically-conductive member which is placed in proximity to the mating surfaces. The electrically-conductive member has at least one element sec... | 06/17/2003 |
| 6334615 | Seal for rolling bearing The present invention provides a seal for rolling bearings having improved sealing properties, undergoing no separation between a core and a peripheral portion nor deformation even in long-term use. The seal comprises a flexible resin portion which comes ... | 01/01/2002 |
| 6322085 | Laminated tubular structure An apparatus (10) includes a bearing (24) linking first and second vehicle parts (12, 14) for movement relative to each other, and a boot seal (30) protecting the bearing (24). The boot seal (30) is a tube of heat shrinkable thermoplastic material. The tu... | 11/27/2001 |
| 6234488 | Heat shrinkable boot seal and method of installation An apparatus (10) includes a bearing (24) linking first and second vehicle parts (12, 14) for movement relative to each other, and a boot seal (30) protecting the bearing (24). The boot seal (30) is a tube of heat shrinkable thermoplastic material. The tu... | 05/22/2001 |
| 6142483 | Gasket assembly for sealing mating surfaces A gasket assembly for securing a pair of surfaces together wherein an electrically conductive gasket base having a central opening is provided with a pair of layers secured to opposite sides of the gasket base, with the layers being a fusible alloy, a bra... | 11/07/2000 |
| 5874170 | Seal for movable structural components A seal for movable structural components, such as piston rods or shafts, includes a carrier body made of plastics and a sealing member made of polytetrafluoroethylene (PTFE) material and bonded to the carrier body. A plastic material may be mixed with the... | 02/23/1999 |
| 5770674 | Method of producing gaskets from polyurethane/urea compositions and gaskets produced therefrom The present invention is directed to a method of forming a gasket around a substrate from a novel polyurethane/urea composition via the RIM process. Window gaskets may be produced by this method. These novel polyurethane/urea compositions comprise the rea... | 06/23/1998 |
| 5711531 | Electrical initiator seal The invention relates to an electrical initiator which can be used with an automobile air bag or seat belt pretensioner. The initiator comprises a header, a cup, conducting pins, epoxy pin seals, a bridgewire, a primer, and an output charge. The header an... | 01/27/1998 |
| 5667227 | Ultraviolet radiation cured gasket coating A formulation for a resilient gasket coating which is curable by ultraviolet radiation without emitting fumes into the surrounding environment. Different portions of the coating are cured by successive exposure to two different wavelengths of ultraviolet ... | 09/16/1997 |
| 5628518 | Metal gasket assembly A metal gasket assembly for a cylinder head includes a pair of elastic metal substrates each having an outer shape which conforms with the outer shape of the gasket assembly, cylinder openings corresponding to cylinders in the cylinder head, a peripheral ... | 05/13/1997 |
| 5628113 | Metal gasket assembly A metal gasket assembly comprises a substrate metal sheet having at least one opening, and a peripheral member fitted into the opening along the periphery thereof. The peripheral member is made of a metal plate having a thickness larger than that of the s... | 05/13/1997 |
| 5609708 | Method of making a seal for shafts and valve stems A packing material having a resilient core and a uniform non-seamed exterior surface comprising a plurality of discrete compressible particles attached to the flexible core and to each other, the particles being compressed after attachment. The method com... | 03/11/1997 |
| 5595697 | Method of manufacturing a sealing device A sealing device to be mounted between a member and a rotation shaft which can be rotated relatively to the member, includes an annular flanged portion formed of a resin and disposed to surround the rotation shaft, and extends in a radial direction of the... | 01/21/1997 |
| 5551707 | Multi-material seal ring A composite seal of the type formed of a plurality of layers which provide a suitable fluid or gas seal between two rigid parts. The seal includes a layer of plastic material sandwiched between layers of elastomeric material, wherein the plastic and elast... | 09/03/1996 |
| 5538262 | Ultra-high vacuum gasket and vacuum apparatus using the same An ultra-high vacuum gasket formed with a thin film in which a nuclear material is exposed only to a contact surface with a connecting portion of a surface of a ring of a soft nuclear material, and an atmospheric component or constituent is not permeated ... | 07/23/1996 |
| 5510069 | Process for production of a flat gasket material The invention relates to a flat gasket material and to a process for the production thereof and of a flat gasket therefrom. In the process according to the invention the flat gasket material is preferably constituted by an indeterminate length sheet or we... | 04/23/1996 |
| 5507499 | Method of sealing useful in semiconductor processing apparatus for bridging materials having a thermal expansion differential The present invention pertains to an apparatus and method useful in semiconductor processing. The apparatus and method can be used to provide a seal which enables a first portion of a semiconductor processing chamber to be operated at a first pressure whi... | 04/16/1996 |
| 5455101 | Flat sealing plate combustion engine gasket A flat sealing plate for combustion engines and a method for manufacturing same are disclosed. The sealing plate comprises a layer of soft sealing material consisting of mineral base compounds as well as of a binder material being at least partially vulca... | 10/03/1995 |
| 5447594 | Rubberized cloth vibration and noise-damping spacer for vehicle brakes and method for making the same A gasket for use in an aggressive environment, e.g. as a vibration; and noise; damping spacer in vehicle brakes, has a body made of fiber cloth, at least one side of which is coated with a rubber layer penetrating into the cloth. The gasket is made by app... | 09/05/1995 |
| 5400952 | Method and apparatus for damping a brush seal There is provided by the present invention method and apparatus for damping vibrations or other unwanted motions of a brush seal, the apparatus including a damper having a plurality of individual plates that are bonded directly to the inlet rows of bristl... | 03/28/1995 |
| 5377999 | Guilded split packing ring A guided split packing ring comprising a split in the circumference of the annular body defining a nose at one end and a cavity at the other end for matingly receiving the nose therein. The annular body of the packing ring defines a slightly enlarged outs... | 01/03/1995 |
| 5354074 | Metal gasket having first and second diversely vulcanized coatings A metal gasket having a base plate and coating layers deposited thereon. A first coating layer (10) having a first vulcanizing agent is deposited on a metallic base plate (1). A second coating layer (20) is deposited on the first coating layer (10) and ha... | 10/11/1994 |
| 5342697 | Connected articles An article and method of making it of powdered metal, the article being in the nature of a bushing having a main body portion of usual density and outer protrusions of lesser density for a squeezed interference fit in the part to which the article is to b... | 08/30/1994 |
| 5269539 | Hydraulic shaft seal A hydraulic shaft seal (10) has a first elastomeric part (40) and a second elastomeric part (42). The first elastomeric part (40) has a surface (54) for sealingly engaging the peripheral surface (56) of a shaft (14), and is formed of a vulcanizable elasto... | 12/14/1993 |
| 5221096 | Stator and multiple piece seal A multiple piece seal and method for reducing the leakage of air through a narrow gap separating a higher pressure section from a lower pressure in a gas turbine engine. The seal is comprised of a first sealing member having a thickness sufficiently small... | 06/22/1993 |
| 5209502 | Dual lip seal and method of forming the seal A dual lip shaft seal includes two sealing disks bonded directly to a radial wall of an annular metal case. The radial wall has an annular step, such that two separate mounting surfaces are formed for mounting the two disks. Each sealing disk is preferabl... | 05/11/1993 |
| 5198053 | Method and apparatus for bonding polytetrafluoroethylene to a metal substrate and articles thereby produced Polytetrafluoroethylene (PTFE) is bonded to a metal substrate such as an oil seal casing via an intermediary bonding layer of fluorinated ethylene propylene (FEP). Induction heating is used to rapidly melt the FEP and PTFE without degrading their physical... | 03/30/1993 |
| 5147691 | Method of producing cover-packing assembly for hard disk device A method of producing a cover-packing assembly for a hard disk device is disclosed which comprises applying a liquid self-adhesive silicone rubber material to a predetermined position of a cover member, and curing the rubber material. According to the met... | 09/15/1992 |
| 5127497 | Lip seal ring with improved sealing bond A lip seal ring for circumferentially contacting and sealing a shaft movable relative to the lip seal ring includes an elastomer ring having a sealing lip and an adhering face and a stiffening ring made of a deformation-resistant material. The stiffening ... | 07/07/1992 |
| 5110630 | Metal gasket and method of producing the same A method of producing a metal gasket includes steps of alkaline cleaning a metal plate, coating a non-rinse chemical for chromate conversion of surfaces of the metal plate and drying to form chromate films, coating an adhesive on the chromate films and dr... | 05/05/1992 |
