Abstract: A sealed, rotatable shaft assembly includes a housing that defines a bore that extends from an area exterior to the housing to an area interior to the housing. A shaft is rotatably disposed in the housing about an axis of the bore. The shaft extends through the bore between the interior area and the exterior area. An annular lip seal is disposed in the bore and is attached to one of the shaft and the housing. The lip seal extends from the one of the shaft and the housing to the other of the shaft and the housing in a contact seal so that rotation of the shaft with respect to the housing wears the lip seal to form a zero-clearance non-contacting seal. A labyrinth seal stage extends between the shaft and the housing. The labyrinth seal stage is disposed outward of the lip seal, with respect to the interior area and in communication with the lip seal.

Abstract: In a drag assembly for a spinning reel, the drag assembly including a line spool and a drag dial rotatably positioned in a distal end portion of the line spool, the line spool having an interior wall and the drag dial having an outer wall, the improvement comprising a sealing element sealing between the interior wall and the outer wall. The improvement preferably also comprises a groove provided in one of the interior wall and the outer wall. Additionally, the sealing element preferably comprises a first portion positioned in the groove.

Abstract: The present invention provides a piston ring structural body composed of an outer ring continuously formed of a resinous material, an inner ring continuously formed of a resinous material and a ring tensile force applying member for pressing the outer ring radially outwards via the inner ring. The piston ring structural body has a construction wherein the outer ring continuously formed of polyimide is pressed outwards in the radial direction of the piston by a coil expander via the inner ring continuously formed of PTFE. A sliding face of the outer ring, which slides on a cylinder wall, is divided into upper and lower sliding faces, whose respective upper edge portions are provided with chamfers. A contact portion of the inner ring that contacts the coil expander is provided with an upper inclined face extending inwards and upwards and a lower inclined face extending inwards and downwards. The angles of inclination of the upper and lower inclined faces range from 30° to 60°.

Abstract: The present invention provides an ambulatory assistance device such as a grab bar or the like which pivots between a non-in-use and an in-use position. The pivoting of the device is assisted by a torsion member acting between the base member and the body. The torsion device is selected so as to retain the body in its non-in-use position when placed in that position. The weight of the pivoting body of the present invention overcomes the force generated by the torsion member when the body is placed in the in-use position so as to retain that orientation. Moreover, the torsion member acts to assist the user of the device in counteracting the weight of the pivoting body member when the body member is moved between the non-in-used position and the in-use position.

Abstract: A refrigeration sealing system for a refrigeration unit includes a trap-process tube coupled with and in communication with a compressor of the refrigeration unit for receiving refrigerant from a refrigerant source. The trap-process tube defines a passageway through which refrigerant flows from the refrigerant source to the compressor. The refrigeration sealing system for a refrigeration unit further includes an annular plug disposed within the passageway. The annular plug defines a bore for facilitating the flow of refrigerant through the passageway. The annular plug is further deformable to seal the passageway of the trap process tube.

Abstract: A grommet which is formed from a self-lubricating rubber, and can be fixed by means of a wire such as electric wires and an adhesive tape. The rubber grommet (10) is fixed to the electric wire (14) with the adhesive tapes (12, 12) and inserted into a through hole (22) penetrating through a partition (20) to provide sealing between the electric wire (14) and an inner wall of the through hole (22). Rubber forming the grommet (10) is a self-lubricating rubber containing an oily polyalkyl carbonate, which is represented by the following chemical formula: Ri—O—CO—O—[CH2CH2C(CH3)HCH2CH2—O—CO —O]n—Ri wherein n is an integer of 1 to 8, and Ri represents (i—C7H15).

Abstract: A resilient seal has an annular curved region having a generally C-shaped cross section, and a pair of annular leg regions. Each leg region has a free end and extends generally radially inward towards the inside of the C-shaped cross section. The leg regions contact each other and each form a generally frustro-conical disk spring member extending inwardly from the curved region. The leg regions are adapted to contact each other and to provide a restoring force when the sealing ring is compressed. A first bend connects one of said leg regions to the curved region, and a second bend connects the other of the leg regions to the curved region.

Abstract: The present invention provides a sealing structure employing a piston ring structural body of a type wherein an outer ring continuously formed of a resinous material is pressed radially outwards by a metal coil expander via a metal inner ring provided with an abutment. The piston ring structural body has a construction wherein the outer ring continuously formed of polyimide is pressed radially outwards by the coil expander via the steel inner ring provided with the abutment. A sliding face of the outer ring, which slides on a cylinder wall, is divided by a groove into upper and lower sliding faces, whose respective upper edge portions are provided with chamfers.

Abstract: A running mechanism assembly includes a profile element (5) whose hollow space (10) with the guide groove (9) is laid bare by a recess (15), which makes possible the perpendicular insertion of the running mechanism (19). The running mechanism (19) is locked within the guide grove (9) by displacement within the latter.

Abstract: A metal gasket is formed of a metal plate having a hole, an edge portion around the hole, and a base portion extending substantially throughout an entire area of the gasket and located outside the edge portion. At least one annular projection and at least one annular groove are formed on at least one side of the edge portion of the metal plate as one unit. The annular groove is located between the annular projection and the base portion. The base portion of the metal plate has a thickness greater than a thickness at the annular groove and less than a thickness at the annular projection to thereby provide a surface pressure at the at least one annular projection.

Abstract: A downhole packer in a well removably seals an annular space between an inner tube and an outer tube or well casing in a well bore. The packer provides a metal to metal tapered seal between a female sealing element having a tapered inner sealing surface and a male sealing element having a tapered outer sealing surface. Each sealing element has tubing welded to upper and lower faces as required to provide a resealable annular space that may be filled with corrosion resistant fluid under pressure. The pressure is then monitored to detect leaks. Repairs may be made by lifting out the tube, repairing the leak, and lowering the tube until the two sealing surfaces mate.

Abstract: A seal assembly is adapted for mounting between a rotatable shaft and an outer stationary housing, the seal assembly being made up of a metal sleeve in surrounding relation to the shaft, a non-metallic resilient seat in surrounding relation to the sleeve, the seat being heat-expandable to permit placement over the sleeve and, upon cooling, will contract or shrink into snug-fitting engagement with the sleeve along selected areas with labyrinth grooves formed along the inner surface of the seat between the selected areas of sealed engagement; and an excluder ring is mounted on one end of the seat along with an annular drive lock which is wedged into one end of the sleeve so as to impart rotation of the shaft into the sleeve and excluder ring.

Abstract: The combination comprising, a bearing housed in a belt pulley, a sealing disk covering the bearing clamped between the head of a screw and the inner ring of the roller bearing, means attaching said sealing disk 4 directly to the inner ring axially and radially and including projections 13, 14 extending into the bore of the inner ring to secure the screw 3 for transport.

Abstract: A sealing assembly is incorporated into a constant velocity universal joint. The joint has an inner joint part connected to a shaft shank and an outer joint part which is sealed relative to the shaft shank and which has a flange face, relative to which outer joint part there is braced a counter flange which has a counter flange face. A sealing cover is disposed at the outer joint part, and clamped in an edge region between the outer joint part and the counter flange. The flange face directly contacts the counter flange face in an annular contact region. An annular gap is formed radially inside the contact region between the flange face and the counter flange face. The sealing cover is located in the annular gap with its edge region. The sealing cover is connected to the outer joint part by means of an adhesive layer which consists of a sealing agent and which is applied so as to have a sealing effect relative to the flange face and relative to the sealing cover.

Abstract: Described is a torque hinge mechanism which includes a shaft and at least two ring like friction plates pressed against each other by a pressure and through which the shaft passes. A non-penetrating recess is formed on a friction surface of one of the ring like friction plates. The non-penetrating recess can be a closed type non-penetrating recess. A scatter of a lubricant can be prevented by using such friction plates. A wedge effect is increased by using such friction plates so that the torque hinge mechanism can be stably operated over a long period of time.

Abstract: An article includes an object and a sealing member. The object includes a cavity formed therein. The sealing member includes sealant and a carrier to which the sealant is attached. At least one of the carrier and the object includes attachment means whereby the carrier is configured to be attached to the object such that at least a portion of the sealant is retained within the cavity.

Abstract: A seal such as a valve shaft seal for use with machine parts that reciprocate relative to each other includes an elastomer sealing lip adapted to rest with a radial spring preload on one machine part and a sleeve-shaped holder carrying the sealing lip and projecting axially beyond the sealing lip for serving to simultaneously attach the seal to a second machine part. To provide a seal with a relatively uncomplicated and inexpensive holder that ensures a safe and flawless attachment and centering, the portion of the holder projecting axially beyond the sealing lip is provided with at least one projection that is directed essentially at an angle towards the inside for engaging a recess in the outer surface of the second machine part.

Abstract: A cork grip includes a main part (21) that is formed of cork pieces each having a predetermined cylindrical shape that are punched out of a cork sheet formed of cork material stripped from a cork tree and pressed into the shape of a board. The cork sheet is punched into the cylindrical shapes in such a manner that pithy tissues (6a) of the cork intersect with the axial direction of the main part (21). The pithy tissues (6a) of the main part 21 are filled with a filling agent that includes a mixture of binder and cork powder.

Abstract: A gas seal construction for use on a pump to create a seal between a relatively rotatable pump shaft and housing. A flow barrier arrangement is disposed in close surrounding relationship to the shaft and cooperates with the surrounding housing axially between the seal and the pump chamber for minimizing ingress of pump liquid into the seal chamber during both static and dynamic conditions. The barrier arrangement includes an annular barrier member nonrotatably secured to the shaft and cooperating with an annular shroud which is secured to the housing. The barrier member and shroud have opposed truncated conical surfaces which define a narrow annular passage therebetween which slopes outwardly away from the seal chamber toward the pumping chamber and, at the large diameter end thereof, communicates with an annular sealing zone or dam which is defined between the relatively rotatable barrier member and housing for further restricting ingress of pumping fluid into the seal chamber.

Abstract: A slip joint for an engine exhaust system having a male and female manifold section which utilizes a sleeve assembly that is disposed about one of the manifold sections. The sleeve assembly has a positioning portion and locating portion. The positioning portion is in sealing engagement with one of the manifold sections and the locating portion is in resiliently sealing engagement with the other manifold section. The principle use is for exhaust manifold connections, however any joint that has thermal expansion or encounters vibrational loads will benefit from this invention. For example, exhaust gas recirculation systems may have passages connected with this invention.