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| Number | Title | Issue Date |
| 7900933 | Bearing seal with flexible lip A seal is disclosed for use on the tapered section of a roll neck in a rolling mill. The seal comprises a flexible circular seal body having a central axis and at least one radially outwardly extending flange joined by a hinge to an angularly extending lip. The hing... | 03/08/2011 |
| 7784796 | Shaft interface debris seal A sealing assembly is provided for sealing an interface between two shafts, including a primary and secondary seal and a rotatable shaft sleeve having inner and outer sleeves forming a sealing cavity therebetween, and enclosing one of the seals. The secondary seal c... | 08/31/2010 |
| 7780172 | Rotation shaft seal In a rotation shaft seal provided with a rubber lip portion, disposed between a housing and a rotation shaft and sliding on the rotation shaft, and a supporting member receiving the lip portion from a low-pressure side, the cross-sectional configuration of the lip p... | 08/24/2010 |
| 7467798 | Rotation shaft seal A rotation shaft seal provided with a rubber sealing portion which contacts a surface of a rotation shaft and an outer case to which the rubber sealing portion is unitedly fixed. The outer case has an inner brim portion on an inner end portion on a sealed fluid side... | 12/23/2008 |
| 7347424 | Shaft seal having integrated removal feature A dynamic shaft seal assembly has inner and outer cases that are clamped together to secure a seal element therebetween for dynamic sealing about a rotatable shaft. The inner case is formed with integral pull tabs that are engageable by a seal removal tool to facili... | 03/25/2008 |
| 7341258 | Cammed seal assembly with sealing ring having an angled leg portion and foot portion with elastomeric energizer element A seal assembly seals first and second operational surfaces spaced apart by a gap. The first surface includes a seal groove having a base surface and first and second side surfaces. A sealing element in the seal groove has a foot portion extending parallel to the ba... | 03/11/2008 |
| 7240905 | Method and apparatus for sealing a joint gap between two independently movable structural substrates A system for sealing a joint gap between structural substrate panels such as walls, ceiling and floors making use of a sealing member including a mounting section fixedly secured to one of the surfaces and a covering member extending outwardly therefrom into contact... | 07/10/2007 |
| 7240904 | Secondary sealing element A secondary sealing element comprises a base body (12) made of a synthetic material and comprising a base portion (13) and a seal portion (14) which each comprise coaxially aligned, axially adjacent through bores (17, 31) for the passage ... | 07/10/2007 |
| 7198275 | Sealing and replenishment gasket The annular sealing cup with axis Δ, a so-called replenishment cup, which is intended to be positioned between a hydraulic cylinder and piston and which has a axial section and has application to braking circuits comprises: ... | 04/03/2007 |
| 7172201 | Sealing ring, especially radial shaft seal A sealing ring has a sealing disk having a fastening part and a seal part. The fastening part is connected to a first stationary machine part and the seal part seals a movable machine part and is oriented in an axial direction toward an atmosphere side or a medium s... | 02/06/2007 |
| 7168361 | High pressure pump piston A high pressure piston for use within a liner for a reciprocating pump comprises an elastomeric seal and an annular bearing ring. During the pump's pressure stroke at least a portion of the bearing ring elastically expands radially to narrow or close the extrusion g... | 01/30/2007 |
| 7159871 | Retrofittable severe duty seal for a shaft A unitary sleeve lip seal can be used to provide permanently lubricated sealed bearings in severe service conditions such as the track pins of track-driven vehicles and agricultural equipment. The seal has a labyrinthine exclusion path and multiple dust lips contact... | 01/09/2007 |
| 7137740 | Sensor-holding lid for a wheel hub bearing Sensor-holding lid for a wheel hub bearing, the lid presenting a base wall which is externally delimited by a peripheral border, an axial ledge which is integral to the wall and which is provided with a passing hold for housing the sensor, and a cylindrical wall whi... | 11/21/2006 |
| 7134671 | Lip seal having increased contact force at interface and apparatus incorporating the same A seal having a body portion, at least one lip portion extending from the body portion, and a protrusion formed on the at least one lip portion. The lip portion and protrusion formed thereon may each include an arcuate segment wherein the arcuate segment of the prot... | 11/14/2006 |
| 7134670 | Rotation shaft seal A rotation shaft seal provided with a rubber sealing portion which contacts a surface of a rotation shaft and an outer case to which the rubber sealing portion is unitedly fixed. The outer case has an inner brim portion on an inner end portion on a sealed fluid side... | 11/14/2006 |
| 7100924 | Elastomeric hinged seal A hydrodynamic PTFE seal for a rotating part including a first portion supported by a flexible, elastomeric member and a second portion extending from the first portion past the elastomeric member along the rotating part. The second or trailing portion of the seal i... | 09/05/2006 |
| 7093837 | Turbine spring clip seal An improved turbine spring clip seal for directing gases to be mixed with fuel in a combustor basket. The turbine spring clip seal is composed of inner and outer housings and a center sealing member disposed between the inner and outer housings. The center sealing m... | 08/22/2006 |
| 7090222 | Shaft sealing assembly for vacuum processing apparatus Herein disclosed is a shaft sealing apparatus which comprises a vacuum casing formed with a vacuum chamber, a driving shaft having an outer cylindrical surface and movably extending in the vacuum chamber of the vacuum casing, and a sealing ring in the form of an ann... | 08/15/2006 |
| 7090219 | Sealing device Sealing device for sealing at least one zone of underpressure or overpressure adjoining a moving surface that includes at least one sealing element, positionable opposite the moving surface to form a front and a rear, with respect to a surface running direction. The... | 08/15/2006 |
| 7066471 | Lip-type shaft seal A lip-type shaft seal is made of elastic material with a Shore A hardness of ≦75, includes a radial sealing lip, which has a sealing edge to bear against a rotating component and terminates in a axial sealing lip, which has a sealing edge to rests in installed sta... | 06/27/2006 |
| 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 |
| 7040628 | Large diameter polytetrafluoroethylene or like seals A large-diameter PTFE seal. The lip of the seal is made from a long strip of PTFE bound together at the ends with the aid of a patching tape to form a closed loop. The loop is then flanged and placed between an inner and an outer case, together with a rubber-like ga... | 05/09/2006 |
| 7025357 | Shaft seal having lip supports A shaft seal includes an elastomeric annular body having an outwardly protruding annular lip. An annular outer case is embedded into the body. An annular insert is positioned adjacent the outer case. An annular inner case is embedded into the body adjacent the inser... | 04/11/2006 |
| 7004474 | Seal for an endless track A seal for an endless track has a cross section having a centerline parallel to an axis of the seal and a configuration symmetric with respect to the centerline of the cross section. The seal can include an elastically deformably configured portion having a cross se... | 02/28/2006 |
| 6997461 | High speed high pressure rotary A seal system for use in high speed, high pressure applications including a rigid retainer and a resilient body covering the retainer having pressure balancing control. Reduced clearance of the metal case retainer prevents seal extrusion. ... | 02/14/2006 |
| 6957605 | High pressure pump piston A high pressure piston for use within a liner for a reciprocating pump comprises an elastomeric seal and a metallic annular bearing ring having relatively high heat conductivity compared to the liner and seal. During the pump's pressure stroke a portion of the beari... | 10/25/2005 |
| 6953193 | Sealing apparatus To reduce a sliding resistance to the rotation member, and whereby to reduce a torque, a thickness of an inner diameter side lip is formed to be larger than a thickness of an outer diameter side lip, and the outer diameter side lip is formed thinner than the inner d... | 10/11/2005 |
| 6945537 | Sealing ring A sealing ring comprising a bearing ring with a radial flange and a sealing sleeve, which at its free end is connected to a thickened, surrounding bulge. ... | 09/20/2005 |
| 6945535 | Seal A seal, especially for shafts movable in a translational direction, has at least one static sealing area and at least one dynamic sealing area and another sealing point outside of the dynamic sealing area. The other sealing point is formed by at least two elements f... | 09/20/2005 |
| 6945536 | Oil seal A two liquid type oil seal 10 having a first seal 13 and a second seal 14, is provided with a communication hole 16 in the first seal 13. The communication hole 16 communicates a space 24 defined by the first and seco... | 09/20/2005 |
| 6921080 | Shaft sealing ring A sealing ring for a shaft (3), characterized by a sealing lip (1) made of an elastomer material is flexionally dimensioned with a flexional elasticity which is sufficient for pressing a sealing section (10) of the sealing lip (1) against... | 07/26/2005 |
| 6913264 | Sealing arrangement A sealing arrangement for sealing a housing with respect to a shaft includes a first annular supporting element connected to the housing, a second annular supporting element connected to the shaft, and a first seal connected to one of the two supporting elements and... | 07/05/2005 |
| 6860486 | Shaft sealing ring A shaft sealing ring for a shaft comprises a sealing lip made of an elastomeric material or a PTFE compound and dimensioned as to be flaccidly bendable. The flexural elasticity is selected such that it will just be sufficient to press a sealing portion of the sealin... | 03/01/2005 |
| 6857636 | Shaft sealing ring A shaft sealing ring, comprising an elastic sealing lip which has a sealing edge in engagement with a circumferential surface of a shaft which rotates relative to the shaft sealing ring, further comprising at least two sinusoidally curved helical elements having the... | 02/22/2005 |
| 6840521 | Seal device The face pressure of a seal lip for sealing is made sharp to improve the sealing ability and the seal lip is prevented from being deformed abnormally when a shaft is inserted therein. In the constitution, the inside diameter of the corner face of the sealing face is... | 01/11/2005 |
| 6789805 | Sealing assembly for relatively rotating mechanical members A sealing assembly for relatively rotating mechanical members, having a first and a second shield member fitted respectively to a first and a second of the relatively rotating members; and a low-friction-coefficient sealing member. The sealing member has a sealing p... | 09/14/2004 |
| 6729624 | Radial shaft seal A radial shaft seal for dynamic applications is disclosed. The shaft seal has a case member and a resilient sealing body attached to the case member. The sealing body includes an annular elastomeric member and a resinous ring. The elastomeric member has a radially e... | 05/04/2004 |
| 6726212 | Retrofittable severe duty seal for a shaft A unitary sleeve lip seal can be used to provide permanently lubricated sealed bearings in severe service conditions such as the track pins of track-driven vehicles and agricultural equipment. The seal has a labyrinthine exclusion path and multiple dust lips contact... | 04/27/2004 |
| 6726211 | Sealing device A sealing device including a fitting portion fixed on a first surface forming an annular gap with a second surface; and a seal supported by a support provided at the fitting portion and including a plurality of axial lips whose tips come into contact with the second... | 04/27/2004 |
| 6722659 | Shaft seal A shaft seal, which is pre-stressed by a spring, has a main body element and a projection, which is adjacent thereto. The projection is designed as a sacrificial element which, when the seal is used correctly, abrades because of the friction with the opposite surfac... | 04/20/2004 |
