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| Number | Title | Issue Date |
| 7124540 | Sealing device A sealing device includes an elongated sealing member and a plurality of fasteners spacedly mounted along the sealing member. The sealing member includes a tubular heat sealing layer and a tubular supporting frame, having a flexible ability, coaxially received in th... | 10/24/2006 |
| 6474655 | Seal for a sensor element of a gas sensor and method for producing said seal A seal is proposed for a sensor element of a gas sensor, in particular for determining the oxygen content in exhaust gases of combustion engines. The seal has a sealing element, which is fixed in position in a longitudinal bore of a metallic housing. The ... | 11/05/2002 |
| 6412822 | Rotary joint A mechanical seal rotary joint of the end-face contact type which permits slurry fluids, such as polishing solution, to pass through a fluid passage without leaking out of the relatively rotating contact area therein. The rotary joint of the present inven... | 07/02/2002 |
| 6412784 | Split face mechanical seal system According to a preferred embodiment, a mechanical face seal assembly comprises four generally ring-shaped members and plural spring devices. The first ring-shaped member is directly fastened (e.g., bolted) to the flanged structural section located at the ... | 07/02/2002 |
| 6406031 | Shaft seal A seal for a rotary shaft extending from a container containing agitated abrasive particulates through a wall of the container. The seal includes a first polymeric member around the shaft and in engagement with the wall of the container with the shaft rot... | 06/18/2002 |
| 6302405 | Anti-extrusion seal A seal assembly formed of a T-seal, a pair of back-up rings abutting each side of the T-seal, and a bearing abutting the side of each of the back-up rings. The T-seal is formed of a elastomer material, the back-up ring is formed of a PTFE (polytetraflouro... | 10/16/2001 |
| 6062569 | Fiber reinforced ceramic matrix composite piston ring A heat-resistant, thermally stable, ductile piston ring for an internal combustion engine having a structure comprised at least partially of fiber reinforced ceramic matrix composite (FRCMC) material. The FRCMC material includes a polymer-derived ceramic ... | 05/16/2000 |
| 5788216 | Valve with perfluoroelastomer packing Valves having a stem packing of alternating layers of perfluoroelastomer and high temperature polymer provide outstanding sealing performance against corrosive fluids and high temperatures.... | 08/04/1998 |
| 5702111 | Sealing apparatus A sealant comprises a matrix of flexible (preferably, elastomeric polymer or copolymer) material embedded in which are frangible elements inert to the matrix material. The matrix material is selected from the group comprising acrylonitrile copolymers, pol... | 12/30/1997 |
| 5657998 | Gas-path leakage seal for a gas turbine A gas-path leakage seal for generally sealing a gas-path leakage-gap between spaced-apart first and second members of a gas turbine (such as first and second segments of a gas turbine combustor casing). The seal includes a generally imperforate foil-layer... | 08/19/1997 |
| 5549276 | Valve with perfluoroelastomer packing Valves having a stem packing of alternating layers of perfluoroelastomer and high temperature polymer provide outstanding sealing performance against corrosive fluids and high temperatures.... | 08/27/1996 |
| 5538256 | Method for producing a packing arrangement for a hydraulically operated apparatus and a packing arrangement The invention relates to a new method for producing a packing arrangement for a hydraulically operated apparatus. The method comprises the following steps: (a) producing a preshaped plastic piece of seal material; (b) compressing said preshaped piece at r... | 07/23/1996 |
| 5409240 | Seal with self-lubricating contact surface A seal between a housing and a rotatable shaft is provided, comprising a first ring member generally concentric with a rotatable shaft, the first ring member being attachable to the shaft in a non-rotatable position relative to the shaft, the first ring m... | 04/25/1995 |
| 5304031 | Outer air seal for a gas turbine engine An uncooled turbine outer air is comprised of a combination of monolithic ceramics with high temperature capability and oxidation and creep resistance, and a fiber reinforced ceramic composite with high fracture toughness. In a preferred embodiment of the... | 04/19/1994 |
| 5243836 | Sealing device for a rotary evaporator A sealing device for a rotary evaporator (1) possesses a two part vapor duct arrangement (6). With that, the component on the evaporator side (6a) is formed to rotate and the component (6b) on the cooler side is formed to be stationary. Both the component... | 09/14/1993 |
| 5236205 | Molded thermoplastic resin gasket having a compound sealing bead A molded thermoplastic resin gasket such as a cylinder head gasket having an integral, non-elastomeric compound, bead over bead, sealing bead projecting outwardly from the gasket body and surrounding at least one service opening.... | 08/17/1993 |
| 5213341 | Pressure hardware for a modular inter-wall elastomer seal Pressure hardware for a seal block assembly used to form a modular, annular seal around a conduit passing through a wall, the assembly including elastomer seal blocks joined in an annulus around the conduit, the seal blocks having pressure bolt apertures ... | 05/25/1993 |
| 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 |
| 5082297 | Gasket and gasketed joint The gasket of the present invention includes a length of rope having a circumferential outer surface. The rope is formed at least substantially by a plurality of woven fibrous yarns. The gasket further includes an elastomeric coating adhered to the circum... | 01/21/1992 |
| 4955218 | Method of manufacturing a high temperature composite gasket including a strip segment of non-woven fibrous refractory material The method in accordance with the invention comprises the steps of forming a strip of composite material comprising at least one flexible strip of refractory material superposed on at least one strip of knitted metal, of making a blank by winding the stri... | 09/11/1990 |
| 4946737 | Gasket composition having expanded microspheres A gasket is described which contains microspheres which expand inside the gasket sheet material after the gasket sheet is formed. Such gaskets are especially useful to provide a seal against fluid leaks at significantly lower pressures due to the presence... | 08/07/1990 |
| 4900629 | High compressibility gasket material A highly compressible gasket material is formed by fusing two filled sheets of PTFE containing dispersed microballoons to a central unfilled sheet of PTFE which provides tensile strength to the material. The two unfilled sheets each constitute from 20% to... | 02/13/1990 |
| 4875692 | Conically-shaped corrugated seal A corrugated seal for connecting two relatively movable structures and for conducting fluid between the two structures. The corrugations of the seal are arranged at a sloping angle in the direction of fluid flow to prevent the accumulation of fluid in the... | 10/24/1989 |
| 4817969 | Gasket and method of making same A gasket such as a cylinder head gasket molded of an amorphous fiber reinforced thermoplastic resin composite having at least 3% by weight of reinforcing fibers, and having an integral non-elastomeric sealing bead extending above the gasket body and surro... | 04/04/1989 |
| 4805919 | Bearing seal A novel seal for transversely sealing a bearing includes a seal body formed from a stiff, homogeneous material. The seal body is adapted to be received at outer race groove and inner race land. The seal is characterized by a set of annular hinges formed i... | 02/21/1989 |
| 4700954 | Radially extensible joint packing with fiber filled elastomeric core An annularly shaped elastomeric core type joint packing having a fiber reinforcement, having a radial reinforcing effect with respect to a longitudinal axis of the core.... | 10/20/1987 |
| 4691928 | Anti-vibrational electrical-conductivity-conformed seal arrangement A seal, especially a flat, gasket-type seal for placement between two structural machine parts. The seal has an elastomeric sealing member which is associated with a carrier member. The structural parts which are to be sealed off are adapted to be pressed... | 09/08/1987 |
| 4593916 | Sealing device providing the upstream/downstream sealing of a valve A sealing device for providing the upstream/downstream sealing of a valve comprising a valving member movable inside the bore of a tubular body and comprising at its periphery a sealing surface coming to bear on a sealing packing mounted in the body at th... | 06/10/1986 |
| 4580790 | Sintered polytetrafluoroethylene composite material and seal assembly A composition of matter adapted for use as a sealing material and in fabricating bushings, rider rings and structural support pads. The composition is sintered polytetrafluoroethylene (PTFE) having uniformly dispersed therein from 5 to 50 volume percent o... | 04/08/1986 |
| 4559862 | Packing material A packing material comprises glass or other inorganic fibers in combination with organic fibers such as sintered polytetrafluoroethylene (TFE) or other selected fibers with or without an impregnant, a preferred impregnant being a lubricant with a binder. ... | 12/24/1985 |
| 4553760 | Flexible seal for a spherical joint A flexible seal assembly has an elastomeric body with a convoluted intermediate portion for accommodating pivotal movement about the center of a spherical joint and an integral radial seal lip for accommodating rotational movement about a central axis of ... | 11/19/1985 |
| 4508777 | Compressed non-asbestos sheets A compressed non-asbestos sheet which comprises at least two types of fibers selected from the groups consisting of inorganic fibers other than asbestos and/or organic fibers, natural rubber and/or synthetic rubber, rubber chemicals, and fillers. The grou... | 04/02/1985 |
| 4475737 | Slip spline sealing plug A slip spline assembly includes a splined stub shaft slidably received in a splined bore of a yoke member. A sealing plug is provided at one end of the yoke bore to maintain lubricant on the splines and prevent ingress of foreign matter. A plurality of re... | 10/09/1984 |
| 4451542 | Cell with gasket comprising glass beads A cell comprising a positive can and a negative collector fitted in the opening of the positive can, a gasket being set in the space between the positive can and the negative collector to prevent the leakage of liquid material from the cell, characterized... | 05/29/1984 |
| 4431698 | Waterproof packing A low-friction, water- and steam-resistant packing suitable for both static and dynamic applications includes inorganic fiber selected from the group consisting of chemical, electrical, structural and alkali resistant glasses, ceramic, quartz, carbon and ... | 02/14/1984 |
| 4408767 | Shaft sealing devices for hydraulic machines In a shaft sealing device for a hydraulic machine, a packing box is provided about a rotatable shaft of the hydraulic machine. A number of packings are encased in the packing box so that the sliding surfaces of the packings are urged against the movable s... | 10/11/1983 |
| 4406458 | Flange seal A sealing assembly for oppositely disposed flanges having a sealing frame interposed therebetween, is proposed. The sealing frame has oppositely disposed grooves into each of which are affixed metal sealing elements and the oppositely disposed flanges hav... | 09/27/1983 |
| 4406469 | Plastically deformable conduit seal for subterranean wells A self-energizing seal system employing plastically deformable nonelastomeric elements to establish sealing integrity between concentric, relatively movable tubular conduits is disclosed. The primary sealing element comprises a chevron-shaped thermoplasti... | 09/27/1983 |
| 4331338 | Duct seal assembly A flexible, fluid-tight seal assembly for sealing the gap between a duct and a wall where the duct passes through an opening in the wall. The seal assembly includes an annular housing affixed to and centered on the opening in the wall. The housing include... | 05/25/1982 |
| 4310164 | Composite reinforced sealing strip Composite reinforced sealing strip, for use for example on an automobile body, the strip being made up of a sealing part and of a U-shaped gripping part integrally connected lengthwise to the sealing part and a reinforcing armature embedded in the grippin... | 01/12/1982 |
