Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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| Number | Title | Issue Date |
| 8075000 | Composite, high temperature, dynamic seal and method of making same A composite, dynamic seal suitable for use in a high temperature environment and method of making same. The dynamic seal includes a resilient, generally ring-shaped seal body having a first layer formed of a first resilient sealing material and a second layer formed... | 12/13/2011 |
| 7789396 | Oil seal and process for producing the same This invention provides an oil seal that can maintain an excellent friction reduction function over a long period of time, has excellent abrasion resistance, and further has excellent sealing properties. The oil seal comprises a seal lip (4) formed of a rubbe... | 09/07/2010 |
| 7464942 | Shaft seal having independent sealing lips A shaft seal includes a rigid annular casing to which a body of elastomeric seal material is molded. At least one elastomeric seal lip is formed of the elastomeric material. A PTFE element is bonded to the elastomer material and is formed with an undercut overlying ... | 12/16/2008 |
| 7419165 | Seal assembly and method of manufacturing the same A seal assembly and method for the manufacture thereof is provided. The seal assembly provides a dynamic fluid seal between a housing having a bore and a shaft having an outer running surface rotating within the bore. The seal assembly comprises a rigid carrier for ... | 09/02/2008 |
| 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 |
| 7066472 | Conductive seal as well as a method and apparatus for its production A conductive seal that is formed on a first sealing surface by extruding an elastically curing material intermixed with conductive particles is in addition intermixed with magnetic particles. After applying the material to the first sealing surface, its cross sectio... | 06/27/2006 |
| 7055828 | Shaft seal A lubricant seal assembly has an outer seal component and a separate inner wear sleeve. The outer seal component has a carrier and a PTFE seal element which lays down against the wear sleeve to provide a seal collar extending to an oil side of the seal assembly. The... | 06/06/2006 |
| 7055824 | Lip-type high pressure seal A high pressure shaft seal (10A) for use in a refrigerating machine wherein carbon dioxide is used as a refrigerant in lieu of “Freon”. The seal has a sealing lip (24A) made of a non-elastomeric polymer material such as nylon that has a small gas p... | 06/06/2006 |
| 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 |
| 7004479 | Metal seal and attachment method for the same and tight-seal construction A metal seal of ring as a whole disposed between a first contact flat face portion and a second contact flat face portion parallel to each other. This metal seal has a middle base portion, a first contact convex portion, and a second contact convex portion. The firs... | 02/28/2006 |
| 6971651 | Device for sealing a space In a multi-chamber device a chamber with lubricant is sealed off on a rotationally drivable component from a second chamber at a peg of a power tool, by at least one seal sliding at a contact face, and least one stationary component is provided in the chamber with l... | 12/06/2005 |
| 6776420 | Sealing device for a rolling contact bearing Sealing device (1) for a rolling contact bearing (2) presenting an annular sealing lining (5), a protective shield (6) for the lining (5) which is mounted on the outside of the lining (5) itself, and an encoder (15) w... | 08/17/2004 |
| 6729625 | Annular seal for rolling rolls An annular seal (10) for a rolling roll (12) able to be assembled rotatable on at least one supporting oil-film bearing (15), including an annular body (20) made of flexible material, shaped to define a central cavity (21) able to ... | 05/04/2004 |
| 6726219 | Air damper with graphite coated lip seal The air damper includes a piston reciprocating within a cylindrical housing. The piston includes a lip seal which is coated with a minimum of 0.5%/seal part weight graphite powder/molybdenum disulfide. This provides for increased smoothness of operation of the air d... | 04/27/2004 |
| 6620361 | Method of manufacturing a composite seal A method of fabricating a fluid seal for sealing a relatively rotatable member, wherein the fluid seal has an elastomeric sealing member bonded to a PTFE insert. A wafer of PTFE material has a body portion and an end portion of a greater thickness than th... | 09/16/2003 |
| 6601855 | Seal for a universal joint A universal joint seal for retaining lubricant therein. The seal cooperates to form a static seal with the trunnion and a static seal with the bearing cup and permits relative angular movement between the trunnion and bearing cup through a flexible web po... | 08/05/2003 |
| 6557857 | Radial lip seal A radial lip seal for sealably mounting within a split circular seal housing includes a seal body having a channel disposed along a seal body outside diameter. The radial split seal includes an annular seal body which is divided into at least two substant... | 05/06/2003 |
| 6513811 | Air damper with graphite coated lip seal The air damper includes a piston reciprocating within a cylindrical housing. The piston includes a lip seal which is made of rubber or thermoplastic elastomer impregnated with a minimum of 3% molybdenum/seal part weight, or a minimum of 2% polytetrafluoro... | 02/04/2003 |
| 6416058 | Packing seal with dynamic self-adapting lip The invention concerns a packing seal with its lip (1) placed in a toroidal housing (2) of a part (3) mobile in rotation and/or translation relatively to a part (4) and whereof the lip (5) ensuring the seal between the lining and the part (4) exerts on sa... | 07/09/2002 |
| 6367811 | Rotation shaft seal A rotating shaft seal provided with a seal element, arranged between a housing and a rotation shaft, which contacts the rotation shaft, and a seal member made of rubber having a lip end portion, disposed on a fluid storing chamber side to the seal element... | 04/09/2002 |
| 6334618 | Sealing device On a radially inner surface of a sealing lip of an oil seal, radiation ray is irradiated to induce chemical reaction in the materials of the sealing lip, to form hard helical portions. The hard helical portions act like a helical groove or rib to pump oil... | 01/01/2002 |
| 6302403 | Sealing assembly for two mechanical members connected for relative rotation, in particular for two rings of a rolling bearing A sealing assembly for two mechanical members connected for relative rotation; a first mechanical member is fitted integrally with a substantially rigid shield, from which projects radially an annular sealing member having, on a respective first annular f... | 10/16/2001 |
| 6279914 | Sealing apparatus The present invention relates to a lip-type seal of the outer periphery rubber type having a stationary sealing portion made of rubber on the outer periphery of a reinforcing ring. In view of the fact that there is produced a gap corresponding to the rubb... | 08/28/2001 |
| 6247607 | Low profile secondary seal A low profile secondary seal for sealing the space between the inner wall of a tank and a roof floating on a liquid product within the tank is of relatively simple, lightweight construction and of low profile so as to maximize the possible height of the f... | 06/19/2001 |
| 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 |
| 6199869 | Sealing device A sealing device comprising an annular support structure, a first annular sealing lip made of rubber and supported by the annular support structure, and a second annular sealing lip adjacent to the first annular sealing lip, the second annular sealing lip... | 03/13/2001 |
| 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 |
| 6050570 | Seal with bi-modulus lip A seal for separating a viscous lubricant, such as grease, from contaminants in the surrounding environment, includes case having axial and radial walls, a shield located in the case and also having axial and radial walls, a primary seal element attached ... | 04/18/2000 |
| 5979904 | Rotary reciprocating seals with exterior metal band A seal assembly is provided for rotary and reciprocating sealing between a shaft and a housing. The seal assembly includes a seal ring in the shape of an annulus having a body portion with an inside flange and an outside flange extending longitudinally th... | 11/09/1999 |
| 5957461 | Radial lip shaft seal A unitary radial lip seal assembly to provide a fluid tight seal between a shaft and a housing bore through which the shaft extends includes an annular rigid retainer, a resilient body portion secured to the retainer and defining at least one sealing lip ... | 09/28/1999 |
| 5577741 | Combination lip and sleeve seal and its method of manufacture A combined lip and sleeve seal for use with a generally cylindrical surface relatively rotating shaft is formed by a molding operation and includes a sleeve seal portion for contacting and forming a first oil seal with the shaft and an integrally joined r... | 11/26/1996 |
| 5439233 | Large annular segmented seal with lock portions for missile launch tube A hoop seal for a large annular opening having a high strength ring disposed in the hoop, the hoop having a sealing lip extending at an angle into the high pressure side of the seal, a base and a membrane connecting the hoop to the base which allows the h... | 08/08/1995 |
| 5421591 | Sealing arrangement The invention concerns a sealing arrangement for use in steered axles of vehicles employed in agriculture and/or the building trade. The sealing arrangement (24) consists of separate seals (46, 47) which are assembled into a sealing set (48) by way of a s... | 06/06/1995 |
| 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 |
| 5067732 | Seal assembly A seal assembly having first and second annular seal elements each having a generally axially extending base and an annular radial lip. Each of the bases includes a wear surface portion, a central portion and an end portion. Each of the annular radial lip... | 11/26/1991 |
| 5013052 | Oil seal having attached thereto two aligned polytetrafluoroethylene pieces forming seal lips A method of making an oil seal (10) having two separate annular lips (62, 64) formed by splitting a single lip liner blank (12). The lip liner blank is an annular wafer having an annular groove (14) formed on one side (15) of the wafer at the point on the... | 05/07/1991 |
| 4995275 | Device for supporting pinion shaft of electric motor for starting engine A device for supporting an overhang type slidable pinion shaft of an electric motor for starting an engine comprises a bearing for supporting the pinion shaft, the bearing including an inner ring having a groove provided in its inner peripheral surface. A... | 02/26/1991 |
| 4986553 | Shaft seal A shaft seal comprises a rigid case ring 1 and a sealing ring which has a PTFE or like ring component 4 secured in the case ring by a molded elastomeric ring component 5 molded into and face-bonded to the case ring, to secure the PTFE ring component in pl... | 01/22/1991 |
| 4969653 | Radial lip oil seal A shaft seal includes a rigid case and an elastomeric seal body affixed thereto. The seal body member includes a primary sealing lip and a secondary sealing lip axially spaced from one another by an intermediate flex section. The sealing surfaces of both ... | 11/13/1990 |
| 4895035 | Device for supporting pinion shaft of electric motor for starting engine A device for supporting an overhang type slidable pinion shaft of an electric motor for starting an engine comprises a bearing for supporting the pinion shaft, the bearing including an inner ring having a groove provided in its inner peripheral surface. A... | 01/23/1990 |
