Abstract: A shaft seal, in particular a radial shaft seal, has a seal element that is provided with a seal section that under elastic deformation contacts the outer side of a mounting sleeve. The shaft seal has a grease ring located on the mounting sleeve wherein the grease ring is arranged axially adjacent to the free end of the seal section on the mounting sleeve. For installation, grease ring and seal section are pushed by a mounting tool onto the shaft and the seal section on the shaft is pushed onto the grease ring in such a way that the grease of the grease ring is distributed between the seal section and the shaft.

Abstract: A sealing ring is provided for use, e.g., in boring machines or wind turbines, among other intended uses. The sealing ring includes an axial leg and a sealing leg with a sealing lip. The sealing leg is connected to a first end face of the axial leg by means of a joint. The sealing ring further includes a tensioning element for stabilizing the sealing leg in the radial direction. The tensioning element is annular and formed by a spring connected to the sealing leg.

Abstract: A super wear-resistant floating seal ring includes: a ring body, wherein a working surface of the ring body has a C-shaped groove; the C-shaped groove is filled with a wear-resistant material layer to form a super wear-resistant core ring; a slope protection structure is provided on both sides of the C-shaped groove, and a slope surface is provided under the slope protection structure of the ring body; a pressing notch is formed on the slope surface; and an insertion hole, which is corresponding to the pressing notch, is drilled on an internal diameter of the ring body. A machining method therefor includes steps of: preparing the ring body of the floating seal ring; forming the C-shaped groove on the ring body; forming the wear-resistant material layer; forming the pressing notch and the insertion hole, and installing the floating seal ring; and grinding the wear-resistant material layer.

Abstract: A sealing device adapted to be disposed between an inner member and an outer member that rotate relative to each other includes a first sealing member including a cylindrical part adapted to be mounted to the outer member, and an annular part that extends radially inward from the cylindrical part; and a second sealing member including a sleeve adapted to be mounted to the inner member, and a flange. The first sealing member includes a lip that extends toward the flange of the second sealing member. An annular first clearance is provided between the flange and the cylindrical part of the first sealing member. The second sealing member includes a labyrinth lip extending from the flange radially outward and extending toward the atmosphere side more than the cylindrical part of the first sealing member, and a second clearance is provided between the labyrinth lip and the outer member.

Abstract: A hole seal is provided that can include a plate having a surface configured to face away from an enclosure wall of an enclosure, and a peripheral extension that is angled away from the surface. The hole seal can include a stud coupled to and extending away from the plate, a gasket, a retaining member configured to engage an enclosure wall of an enclosure opposite the gasket, and a fastener. The fastener is configured to threadingly engage the stud and be advanced along the stud to urge the retaining member against the enclosure wall, thereby urging a peripheral extension of the plate into the gasket, via compression of the gasket against an exterior surface of the enclosure wall.

Abstract: A domestic electrical appliance includes an appliance main body having an access opening to a usable chamber formed inside the appliance main body, and a door which is movably mounted on the appliance main body and which in an open position frees the access opening and in a closed position closes the access opening, a door latch for holding the door closed in the closed position, and a door opener, structurally separate from the door latch, for opening the closed door. The door opener includes a first coupling structure displaceably arranged on one of the appliance main body and the door, an electrically controllable drive unit for driving the first coupling structure, and a second coupling structure arranged on the other of the appliance main body and the door. The first and second coupling structure are configured for push- and pull-transmitting but releasable coupling engagement with one another.

Abstract: Sealing device for a cartridge of a shock absorbing fork, provided with a screen of metallic material and with an elastomer coating, in turn comprising a radially outer portion which forms a static seal on a cartridge housing and at least one radially inner lip which makes a sliding contact on a moving element of the cartridge, wherein an additional lip forms a seal on a surface of the housing, thus sealing a cavity (V) of the elastomer coating.

Abstract: A ring-shaped gasket for making high-purity fluid pathway connections between opposing fluid delivery apparatus elements having at least one simple flat surface in contact with the gasket. The face of at least one apparatus element typically has a circular counterbore depression to receive the gasket, but is not required. The gasket has a body, pierced through by a hole creating a fluid pathway and defining a radial inner surface, and additionally having a radial outer surface, a first axial end surface and a second axial end surface. At least one of the first and second axial end surfaces has a stress concentration feature radially adjacent to a gasket sealing region, the sealing region constructed to be in contact with a face surface of a corresponding fluid conduit port. The stress concentration feature may be a groove or a plurality of cavities disposed adjacent the gasket axial end surface sealing region.

Abstract: A sealing device includes a mounted part to be mounted to the inner peripheral surface of the shaft hole, a cylindrical part disposed radially inside the mounted part, a seal lip portion extending from the cylindrical part and in contact with the outer peripheral surface of the rotational shaft, a bellows part connecting the mounted part and the cylindrical part, and an annular sliding member made of a resin and disposed radially inside the cylindrical part, the outer peripheral surface of the rotational shaft being slidable on the annular sliding member.

Abstract: Provided is a sealing device capable of exhibiting a screw pumping effect in an early stage while inhibiting leakage of a fluid to be sealed by providing thread protrusions. A second inclined surface is provided with a plurality of first thread protrusions that cause a fluid to be sealed to flow toward a region to be sealed when the seal lip rotates in one direction relative to a shaft, and a plurality of second thread protrusions that cause the fluid to be sealed to flow toward the region to be sealed when the seal lip rotates in another direction relative to the shaft. In a state before progress of sliding wear on the seal lip, a sidewall of each of the first thread protrusions on a side facing the region to be sealed and a sidewall of each of the second thread protrusions on the side facing the region to be sealed are both designed to be parallel to a center axis line of the shaft in a state in which the seal lip is in contact with a surface of the shaft.

Abstract: A sealing device for sealing a gap between inner and outer members includes a mounted part attached to a cylindrical end of the outer member; at least one lip disposed radial inside the mounted part and extending toward the inner member; an annular part covering an end surface of the end of the outer member; and an annular flange formed from an elastic material connected to the annular part and disposed radial outside the end of the outer member. The inner member includes an inner portion disposed radial inside the outer member; a flange extending radially outward from the inner portion; and a through-hole formed in the flange for inserting a screw for securing the inner member to another member. The outer edge of the flange of the sealing device is disposed radial outside a portion of the through-hole that is the closest to the central axis.

Abstract: A sealing device that is adapted to be disposed between a reciprocating shaft and an inner peripheral surface of a shaft hole in which the reciprocating shaft is disposed, and that separates an oil side from an atmosphere side, includes an annular oil seal made of a resin, an oil-side rigid ring made of a metal, an elastomeric annular dust seal, and an atmospheric-side rigid ring made of a metal. The oil seal has an oil lip adapted to be in slidable contact with the reciprocating shaft and is formed of a resin having a glass transition temperature of 80 degrees Celsius or higher. The oil-side rigid ring is disposed around the oil seal and supports the oil seal. The dust seal is disposed on the atmosphere side of the oil seal and has a dust lip adapted to be in slidable contact with the reciprocating shaft.

Abstract: Apparatus comprising a first shaft and a second shaft supported in a substantially concentric relationship so that they are able to rotate relative to one another about a rotational axis (R); wherein one of the first and second shafts passes through a bore defined in the other of the first and second shafts; a seal arrangement between the first and second shafts, said seal arrangement being locked from rotational movement relative to said first shaft; wherein the seal arrangement comprises a first portion that is rotatably mounted on the second shaft by a bearing and a second portion that is configured to seal against a miming surface defined by the second shaft. Advantageously, since the seal arrangement is rotatably mounted on the same shaft against which it forms a seal, the sealing arrangement accommodates for alignment errors between the first and second shafts.

Abstract: A seal for use in a vacuum pump comprises a seal element positioned between inner and outer seal carriers located at the inner and outer surfaces of the seal element. Each of the seal element and carriers is substantially toroidal in shape. The outer carrier comprises retention means to hold the seal element in position. The inner carrier comprises at least one recess located in a surface adjacent to the seal element, and the seal element comprises at least one protrusion on an inner surface, which extends into the at least one recess of the inner carrier. A seal system comprises the described seal and first and second flanges. Methods for enhancing the chemical resistance of a seal system for use in a vacuum pump, and the use of the seal or seal system to connect pipework, are also provided.

Abstract: A door locking mechanism for a sterilizer that minimizes the occurrence of jamming during operation, and that can be manually actuated if necessary. The door locking mechanism abuts the door of the sterilizer, and comprises a hingedly connected locking arm to permit the locking arm to move between a locked position and an unlocked position. A sensor arm arranged adjacent to the locking arm detects pressure from from an extendible portion of the door as it engages the locking mechanism. The sensor arm causes the actuation of a motor that permits the locking arm to move from the unlocked position to the locked position, in which the locking arm engages and retains the extendible portion to secure the closure of the door.

Abstract: A control structure of a door lock contains: a body, a slide plate, a clutch assembly, a head, a clutch assembly, and a guider. The body includes a chamber, a receiving groove, a motor, a drive gear, a trench, and a resilient element. The slide plate includes a holder, a trough, a lever, a lock cylinder, and a first connection orifice. The clutch assembly is received in the slide plate and includes a first annular ring, a second annular ring, and a third annular ring. The second annular ring includes two first cutouts, two second cutouts, and two recessed portions. The head includes a defining groove, a second connection orifice, and two bosses. The guider rotatably is fixed in the chamber and includes a space and at least two spiral indentations formed on an outer wall of the guider.

Abstract: The invention relates to a marine meachanical seal arrangement comprising a first mechanical seal (2) comprising a first rotating slide ring (21) and a second stationary slide ring (22) defining a first sealing gap (23) between their two sliding surfaces (21a, 22a), a second meachanical seal (3) comprising a second rotating slide ring (31) and a second stationary slide ring (32), which define a second sealing gap (33) between their sliding surfaces (31a, 32a), a barrier circuit (10) comprising a barrier fluid cavity (8) which is arranged between the first mechanical seal (2) and the second mechanical seal (3) and is filled with a barrier fluid, the barrier fluid cavity (8) being divided into a first sub-cavity (81) and a second sub-cavity (82), the first subcavity (81) and the second subcavity (82) being separated by a flexible lip seal (7) wherein the second sub-cavity (82) is arranged at the second mechanical seal (3), and wherein the lip seal (7) is arranged such that a flow of barrier fluid from the first

Abstract: A door lock with a reinforced fireproof effect includes a lock body mounted on a door and inner and outer operating units mounted to two sides of the door, respectively. The lock body includes inner and outer chassis made of ferrous material or stainless steel having a melting point higher than 1300° C. Inner and outer fixing members coupled with the inner and outer chassis are also made of ferrous material or stainless steel. Thus, these components of the door lock are less likely to melt during a fire, reducing the spreading speed of the fire.

Abstract: An exemplary catch assembly is configured for installation into a spindle, and generally includes a holder, a first catch, a second catch, and a bias mechanism. The holder is configured for mounting within the spindle. The first catch is mounted for movement relative to the holder between a first projected position and a first depressed position. The second catch is mounted for movement relative to the holder between a second projected position and a second depressed position. The bias mechanism biases the first catch toward the first projected position and biasing the second catch toward the second projected position.

Abstract: Seal assemblies, gaskets, bearing assemblies, and their components can be used as pre-packaged seal systems and pre-packaged seal and bearing systems. The seal assemblies can be orientated in different configurations for different applications. Gaskets to restrict flow and gaskets with memory lips to operate as sealing lips can be included to increase the number of sealing points. In a pre-packaged configuration, the cylinder can be a straight cylinder, a stepped cylinder, or a split cylinder. Bearing assemblies can be pre-packaged with the sealing assemblies and service grease may optionally be used to provide lubrication and limit fluid incursion into the spring cavities.