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| Number | Title | Issue Date |
| 7357066 | Sealing structure of an up-down type piston assembly for exhausting a content The disclosed sealing structure is used with a piston assembly which exhausts a content. A sealing washer has a sealing hole through which a screw pillar is inserted and is configured to be formed between a piston and a screw cap of the piston assembly. The sealing ... | 04/15/2008 |
| 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 |
| 7314219 | Shaft seal assembly A seal assembly provides a seal between a housing member and a shaft member extending through a bore formed in the housing member. The seal assembly comprises a seal member mounted to the housing member within the bore and about the shaft member and extending radial... | 01/01/2008 |
| 7311308 | Seal device for water pump, rotation supporting device for water pump and assembly method for water pump The tip edge of a second seal lip of an elastic member constituting a seal ring is in sliding contact with an outside face of a slinger. The seal ring and the slinger are pre-assembled and then installed between an inner peripheral surface at an end of an outer ring... | 12/25/2007 |
| 7255207 | Piston seal and disc brake using the piston seal A piston seal of a disc brake can stabilize the amount of rollback of a piston by reducing thermal expansion and a decrease in modulus of elasticity of the piston seal caused by an increase in temperature, thereby preventing a driver from feeling that the brake oper... | 08/14/2007 |
| 7237961 | Rolling bearing A rolling bearing includes: an inner race; an outer race; rolling elements provided between the inner and outer races; and a seal member provided between end portions of the inner and outer races, which includes a core metal and a rubber seal including a recess and ... | 07/03/2007 |
| 7201663 | Universal joint with integral seal deflector and retainer assembly A universal joint includes a yoke connected to a cruciform by bearing cup assembly. The bearing cup assembly includes a bearing cup, a bearing and an integral seal deflector retainer. The bearing cup assembly is rotatably coupled to a trunnion of the cruciform. The ... | 04/10/2007 |
| 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 |
| 7147229 | Shaft seal assembly with retaining ring and washer A shaft seal assembly (10) features an annular carrier (14), an annular shaft seal element (16) and an annular felt washer (18) in an integral assembly that can be installed in one step using a simple push-on tool. The washer (18) ... | 12/12/2006 |
| 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 |
| 7128145 | High expansion sealing device with leak path closures A high expansion packer or bridge plug is described. It features an external portion of a soft material that flows into spiral exterior leak paths formed when the sealing element is subjected to longitudinal compression. Preferably, the sealing element is an elastom... | 10/31/2006 |
| 7121555 | Seal assembly and crawler-track connection structure A seal assembly has simple assembly structures, and provides secure sealing effects. A crawler-track connection structure allows the seal assembly to be easily mounted, and securely prevents overflow of a lubricant and the like to the outside. A pair of seal rings (... | 10/17/2006 |
| 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 |
| 7090221 | Seal device A seal contact surface of a seal lip member and a protruding lip member of an end face seal are separated from each other and frictional heat generated at the seal lip member due to sliding motion is prevented from being transferred to the end face seal for softenin... | 08/15/2006 |
| 7070017 | Rotating apparatus for construction machine A swing mechanism for a construction machine having a grease bath seal. A grease bath can be disposed on a vehicular base carrier of the machine, and can be coupled with a swing frame. The grease bath seal can then act to prevent intrusion of pollutants or other for... | 07/04/2006 |
| 7066467 | Sealing device for water pump bearings A sealing device for a water pump bearing employs a seal member without an axial lip, and having only a radial lip. The sealing device includes an annular seal member which is fixed to a shoulder portion of one end in an axial direction of an outer race of a water p... | 06/27/2006 |
| 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 |
| 6994352 | Rotation shaft seal A rotation shaft seal to seal liquid, which is poor of lubricant liquid, stably for a long time. In a rotation shaft seal, provided with a rubber lip portion having a sliding inner peripheral edge portion which contacts a rotation shaft to seal liquid on a pressure ... | 02/07/2006 |
| 6955359 | Seal assembly and crawler-track connection structure A seal assembly has simple assembly structures, and provides secure sealing effects. A crawler-track connection structure allows the seal assembly to be easily mounted, and securely prevents overflow of a lubricant and the like to the outside. A pair of seal rings (... | 10/18/2005 |
| 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 |
| 6880830 | Sealing device A sealing device for sealing off an opening between a shaft and a grease-lubricated split bearing housing comprises two halves divided by a diametrical cut and each having a main body arranged in a circumferential groove in the bearing housing opening. The sealing d... | 04/19/2005 |
| 6880676 | Feed screw device A ring-like lubricant supply device 6 is fitted into a recess 4 of a nut member 2. The lubricant supply device 6 contains a lubricant and is formed in an outer peripheral surface with notches 7. Tubular members 8 each having... | 04/19/2005 |
| 6863613 | Sealed axially displaceable slip joint A slip joint includes first and second shafts that are connected for concurrent rotational movement and for relative axial movement, such as by respective pluralities of axially extending spline. A seal can is secured to the first shaft and extends about a portion o... | 03/08/2005 |
| 6783131 | Neck seal A neck seal is disclosed for use in an oil film bearing assembly for a roll in a rolling mill, the roll having a neck with an intermediate tapered section leading to a reduced diameter end section contained within a sleeve, with the sleeve being fixed in relation to... | 08/31/2004 |
| 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 |
| 6688605 | Bearing seal for water pump A bearing seal for a water pump of an automobile has rolling elements between an outer ring fixed to a casing and a rotary shaft that is provided with a drive portion at one end and an impeller at the other end. In addition, a seal is formed between the o... | 02/10/2004 |
| 6659470 | Oil seal of hydraulic shock absorber In an oil seal of a hydraulic shock absorber, the oil seal is made of a nitrile rubber of a low nitrile, and an inner diameter of a second lip is set to be smaller within a range between 0.3 and 1.0 mm $c; than an outer diameter of a piston rod.... | 12/09/2003 |
| 6550781 | Seal element A seal element mountable on the tapered section of a roll neck in a rolling mill comprising a notch and/or non-perpendicularly disposed water-side flange which serve to accommodate any tendency for the water-side flange to distort in the stressed state.... | 04/22/2003 |
| 6517082 | Lip seal An elastomer lip member with its rear supported by a pressure resisting back-up ring, and a synthetic resin lip member arranged on a rear side of the elastomer lip are comprised, and on the inner circumferential surface of the seal lip portion of the elas... | 02/11/2003 |
| 6406026 | 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 l... | 06/18/2002 |
| 6315296 | Flangeless 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 l... | 11/13/2001 |
| 6273430 | Oil seal An oil seal or fluid seal for providing a seal between a cylinder and a piston rod is provided. The oil seal has an annular seal lip which has on a conical inner circumferential surface thereof a plurality of annular projections which are arranged axially... | 08/14/2001 |
| 6250639 | Idler roll wet seal This invention relates to a seal for protecting an end of an idler roll against contaminants. The seal includes a fastener engageable with the end of the idler roll and an integral first sealing member molded onto the fastener and extending radially outwa... | 06/26/2001 |
| 6213476 | Bi-modulus composite seal and its method of manufacture A lip-type fluid seal (10) for a shaft includes a composite sealing lip (26) having an elastomeric portion (32) and a PTFE portion (36). The elastomeric portion (32) includes a lip edge (33) that extends circumferentially continuously to seal the adjacent... | 04/10/2001 |
| 6186507 | 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 l... | 02/13/2001 |
| 6182975 | Sealing device having an annular space between sealing lips The follow-up performance to the operation of a shaft is improved by forming an annular space between a rubber seal lip formed of a rubber-like elastic material and a resin seal lip so as to prevent the resin seal lip from interfering with the rubber seal... | 02/06/2001 |
| 6123514 | Sealing structure for compressors A sealing structure for the shaft of a compressor. The sealing apparatus includes an inner ring, and outer ring, and a support ring. The inner ring and the outer rings have flexible annular lips that contact the surface of the rotary shaft. The support ri... | 09/26/2000 |
| 6109794 | Rolling contact bearing provided with a seal and an electrostatic current discharge device A rolling contact bearing is described with a sealing device suitable to discharge the electrostatic currents which accumulate in a autovehicle; the sealing device (13, 32) has at least one sealing element (17, 37, 43) made of elastic conductive material ... | 08/29/2000 |
| 6095780 | Device for sealing a rotor shaft and screw-type compressor provided with such a device A device is provided for sealing a rotor shaft supported on a bearing mounted in a housing of an appliance for compressing or expanding a fluid containing, apart from the housing, at least one rotor mounted therein. The sealing device is situated between ... | 08/01/2000 |
| 6079715 | Rotary shaft seal having a PTFE seal lip and a method and apparatus of manufacturing same A rotary shaft seal having an elastomer seat for fitting into the bore of a hub or for the attachment onto a shaft comprises a seal washer, connected to a metal enforcement ring through a elastomer intermediate layer. The elastomer intermediate layer cons... | 06/27/2000 |
