Abstract: A seal device 1 includes first seal part facing an external fluid and second seal part arranged in parallel to the first seal part and facing a sealed fluid in an interior of equipment to prevent entry of the external fluid and leakage of a sealed fluid. Intermediate seal part is arranged in parallel to the first seal part and the second seal part between the first seal part and the second seal part. A gas chamber is formed between the first seal part and the intermediate seal part, to which a gas having a higher pressure than the external fluid is supplied. An intermediate chamber is formed between the intermediate seal part and the second seal part, to which a gas having a lower pressure than the gas supplied to the gas chamber and having lower pressure than the sealed fluid is supplied.

Abstract: A washpipe assembly for a rotational device includes a gland assembly, a washpipe positioned within the gland assembly, and a seal assembly positioned about the washpipe within the gland assembly. The seal assembly includes a plurality of ring seals, a plurality of annular chambers positioned between the ring seals along the washpipe, and a pressure manifold fluidly coupled to the plurality of annular chambers. The pressure manifold is configured to receive a first fluid pressure and is configured to apply a plurality of pressures to the annular chambers, and the plurality of pressures are each less than the first fluid pressure.

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 device for measuring stratum deformation caused by natural gas hydrate dissociation is provided. The device is configured to be disposed inside a natural gas hydrate reactor, wherein the natural gas hydrate reactor is configured to simulate natural gas hydrate formation layers in the natural gas hydrate reactor, and the natural gas hydrate formation layers include a superstratum layer, a sediment layer and a substratum layer from top to bottom. The device includes a displacement sensor fixing plate, displacement sensors and a flexible elastic plate. A plurality of displacement sensors are provided and evenly distributed, wherein a first end of each displacement sensor is fixed to the displacement sensor fixing plate and a second end of each displacement sensor is stretchably and sealingly fixed to the flexible elastic plate. The flexible elastic plate is tightly attached to the superstratum layer.

Abstract: A sealing ring includes: a first axial leg; and a sealing leg with a sealing lip. When viewed in cross section, the sealing ring is in a shape of a seven. The sealing leg is connected to a first end face of the first axial leg by a first joint. The sealing leg has, on a side facing axially toward the first end face, a dirt lip with at least one sealing edge and a radially internal first boundary surface and a radially external second boundary surface.

Abstract: A sealing device includes an elastic body configured to seal an annular gap between an inner member and an outer member in order to prevent a leak of an object through the annular gap. The elastic body includes an annular main body portion including a first end portion and a second end portion opposite to each other and being to be disposed in the annular gap with the first end portion being closer to the object than the second end portion, a seal lip portion extending from the first end portion and being to be in contact with the inner member, a flange portion extending outwardly from the second end portion and including a first side and a second side opposite to each other, a side lip portion extending from the second end portion in a direction away from the first end portion, and a projecting portion extending from the second side and circumferentially about the annular main body. The first side is to be closer to the object than the second side and to be in contact with the outer member.

Abstract: A sealing device is located between an inner member and an outer member that rotate relative to each other. The sealing device includes a tubular part that is to be mounted on a cylindrical end portion of the outer member, an annular part connected to an end of the tubular part and having a portion located radially inside the end portion of the outer member, at least one lip extending from the annular part toward the inner member. Each of the annular part and the tubular part includes an elastic part and a rigid part. At least one of an upper surface of the annular part that is opposite to the tubular part and a lower surface of the tubular part that is opposite to the annular part is formed of the elastic part. Multiple protrusions are formed on at least one of the upper surface of the annular part and the lower surface of the tubular part, the protrusions protruding along an axial direction of the sealing device.

Abstract: A sealing member is provided, including a plurality of nodes and a plurality of antinodes. Each sealing member can be rotated to expose nondamaged lobes for sealing, and prevents the sealing member from falling out of the lobed groove. A chamber is provided, including a groove that the sealing member is placed in. A method of rotating and placing the sealing member is provided, including a rotation to expose nondamaged portions of the sealing member.

Abstract: A dual function coating on a counterface of a seal. The dual function provides having a low friction and being hydrophobic. This is achieved by chemically modifying a low friction coating. Gaps are included, primarily on the exterior side of a seal, one side being coated with the modified low friction coating on a counterface and the other side with a hydrophobic or omniphobic material on a seal body. The material can be in the form of a coating, film, strip, or ring depending on application, and be coated, glued, fused, mechanically attached or by any other suitable method, attached to the seal body. The gap should preferably be in the order of 0.2 to 1 mm wide, thus creating ‘reverse-capillary’ function where water cannot pass all the way through the gap.

Abstract: A sealing device includes a seal member and a slinger. The slinger has a slinger fixing part, a first radial part, a first axial part, a second radial part, and a second axial part facing a seal fixing part of the seal member in a radial direction across a first clearance. The seal member has a large-diameter part facing, in an axial direction, an end of the second axial part on the other side in an axial direction across a second clearance. An outer circumferential surface of the large-diameter part and an outer circumferential surface of the second axial part are included in a flow passage surface of a continuous outside flow passage that extends in a straight line along the axial direction. The first clearance and the second clearance communicate with each other, and the sealing device has a labyrinth clearance including the first clearance and the second clearance.

Abstract: A sealing member and an air intake controller are disclosed herein. The sealing member includes an inner cylindrical section having a gradually-decreasing-diameter portion which has a diameter that gradually decreases in one direction, an outer cylindrical section having a gradually-increasing-diameter portion which has a diameter that gradually increases in the one direction, and an annular connecting section which connects the inner cylindrical section and the outer cylindrical section at an end portion on the side in the opposite direction from the one direction. The outer cylindrical section has an extended cylindrical portion, the outer diameter of which gradually decreases in the one direction. An air intake controller can incorporate the sealing member that is disclosed herein between a shaft hole 1 and a valve shaft.

Abstract: A seal cassette for a roll line in a continuous casting machine. The seal cassette configured to seal off a space from an outside environment and includes a first circumferential element and a second circumferential element arranged coaxially and rotatably movable relative each other. At least one third circumferential element is provided and is arranged coaxially relative the first and the second circumferential element and further arranged to be rotatably movable relative the second circumferential element. The first circumferential element is formed as a sleeve extending in an axial direction (A). The second circumferential element provides at least one circumferential seal portion arranged to seal between the second element and the first element. The at least one third circumferential element provides at least one circumferential seal portion to seal between the third element and the second element and further provides a circumferential seal portion that seals against the first element.

Abstract: A sealing apparatus main body includes a reinforcing ring and an elastic material portion which is attached to the reinforcing ring and formed of an elastic material. The elastic material portion has a side lip formed so as to contact a slinger from the inside, a radial lip formed so as to contact the slinger from an outer periphery side, and an outer peripheral annular projection being an annular projection which is arranged on an outer periphery side of the side lip and protrudes to the outside. The slinger has a fitting portion and a flange portion extending from an outer end portion of the fitting portion to the outer periphery side. The elastic material portion forms a labyrinth seal between the outer peripheral annular projection and the side lip between the elastic material portion and the flange portion of the slinger.

Abstract: A seal arrangement has two machine parts movable toward one another along or about a movement axis. One of the two machine parts forms a seal holding structure and the other forms a sealing surface. A sealing device between the two machine parts is arranged on or in the seal holding structure, wherein the sealing device includes a sealing element and a pre-tensioning element which is separate from the sealing element and by means of which the sealing element is tensioned in the radial direction against the sealing surface of the respectively other machine part. The sealing element is formed by an elastically deformable sealing film. On the sealing film side, the pre-tensioning element forms an embossed structure which presses into the sealing film where the sealing film bears against the sealing surface with a contact pressure progression which corresponds to the embossed structure of the pre-tensioning element.

Abstract: A dustproof device is provided for use with a ball screw which includes a screw rod and a nut mounted around the screw rod. The dustproof device includes an annular body and an elastic valve plate. The annular body is disposed inside the nut and penetrated by the screw rod and has an outer annular surface provided with a debris exit. The debris exit has one end in communication with a spiral passage formed between the screw rod and the nut. The elastic valve plate, which is provided at the opposite end of the debris exit of the annular body, can be pushed open by a fluid and thus opens the debris exit, allowing the debris generated by the ball screw to be discharged through the debris exit along with the fluid, thereby contributing to extending the service life of the ball screw.

Abstract: Provided is a high-pressure fuel supply pump capable of fixing a cylinder to a pump body with excellent sealability in a simple structure even at a high fuel pressure. A high-pressure fuel supply pump including a pump body in which a pressurizing chamber is formed, and a cylinder inserted into a hole formed in the pump body and formed in a cylindrical shape, the high-pressure fuel supply pump including: a protrusion disposed at an end portion of the pump body opposite to the pressurizing chamber, formed from an outer peripheral side to an inner peripheral side with respect to an inner peripheral surface opposite to an outer peripheral surface of the cylinder, and protruding toward the cylinder, wherein the protrusion is formed so as to protrude to a side opposite to the pressurizing chamber with respect to a flat portion of the end portion of the pump body, and the protrusion is formed so as to support the cylinder from a side opposite to the pressurizing chamber.

Abstract: A diverter valve housing is secured to an upper end of a pump. A shuttle in the diverter valve housing moves between an upper closed position and a lower open position. A floating ring has an exterior band that abuts an upper end of the shuttle to move the shuttle downward. The floating ring moves upward when the pump operates. A bushing abuts an upward facing shoulder in the floating ring and is adhered within the bushing by a layer of adhesive. The shuttle has upper and lower seals separated by upper and lower spacer rings. A stop ring between the spacer rings limits downward movement of the upper spacer ring and also limits upward movement of the lower spacer ring.

Abstract: An electrical submersible pump assembly has a pressure equalizer coupled to a lower end of a motor. The equalizer has a motor lubricant passage through which lubricant in the motor communicates with motor lubricant in the equalizing element. A valve element in the motor lubricant passage has a closed upper position and an open lower position. The valve element has a drive member on an upper end that mates with a shaft drive member on a lower end of the motor shaft while the valve element is in the upper position and disengages from the shaft drive member while the valve element is in the lower position. A locking feature between the valve element and the motor lubricant passage retains the valve element in the upper position and is releasable in response to rotation of the motor shaft in a selected direction.

Abstract: A track link comprises a body defining a top surface, a bottom surface, a first side surface and a second side surface, a proximate end and a distal end, a first bore adjacent the distal end defining a first longitudinal axis and a second bore adjacent the proximate end defining a second longitudinal axis; wherein either the first bore or the second bore is a blind bore, forming a counterbore configured to house a seal assembly and the counterbore defines a wall that forms an angle with the longitudinal axis of the bore that is greater than zero degrees.

Abstract: A Cabinet for mounting of water pipe connections, where a number of water pipes (12, 13) are adapted to be fed into the cabinet, said cabinet comprises a body part (1) which is adapted to be mounted in a wall. The cabinet further comprises a base part (2) with through holes (10) for pipes (12, 13) whereas the openings (10) are arranged in sleeves that protrudes into the cabinet. The sleeves being configured to seal outwardly against the pipes (13). The base part comprises at least one drain (5) for leakage water, and the base part is a separate part with edges that protrudes into the cabinet.

Abstract: A sealing device which can stably exhibit a sealing function and enables a reduction in the number of components as well as in a radial size of the device. The sealing device includes a metal cartridge case (110) having a case main body (111) and a first supporting portion (113), a resin sealing member (120), an elastic sealing member (130), and a metal fixing member (140). An outer diameter of a cylindrical portion (141) of the fixing member (140) is set to be equal to or smaller than an inner diameter of the case main body (111), and the cylindrical portion (141) and the case main body (111) are secured by welding. The resin sealing member (120) and the elastic sealing member (130) are fixed by being held in between the first supporting portion (113) and a second supporting portion (142) of the fixing member (140).

Abstract: The present invention provides a refrigerating machine oil composition comprising an ester-based base oil, an epoxy compound, and a carbodiimide compound, the refrigerating machine oil composition being used with a refrigerant containing a fluoropropene in a refrigerating machine comprising a member containing polyethylene terephthalate and/or a member containing hydrogenated acrylonitrile butadiene rubber.

Abstract: Provided is a hub unit bearing wherein a cover can be firmly fitted with an outer ring member, and it is difficult for foreign matter to enter inside through a water drainage hole formed in the cover. The cover that covers the inside end section in the axial direction of the hub unit bearing includes a disk section, a small-diameter cylindrical section bent in the axial direction from the outer perimeter edge section of the disk section and a large-diameter cylindrical section. A cut and raised section that is cut and raised toward the inside in the radial direction is formed in the small-diameter cylindrical section, and a water drainage hole that passes through from inside to outside the cover is provided in the portion that is cut and separated from the small-diameter cylindrical section.

Abstract: To provide a scheme that, when making a prediction in multilayer coding, takes into account the quality of the image in each layer and can adaptively determine in want manner to refer to the image of which layer. Provided is an image processing device provided with a prediction control unit that, on the basis of an indicator dependent on the image quality of a first layer image and a second layer image, sets the weighting when including a first layer pixel and a second layer pixel for predicting a pixel in the second layer that is encoded or decoded referring to the first layer.

Abstract: The invention provides a sealing device having a sliding lip and a labyrinth lip, wherein the sealing device can inhibit the lip from being deformed as the lip even if the labyrinth lip is exposed to the foreign material in the machine outside and is swollen, thereby making the sliding lip protecting function hard to be lost. In order to achieve the object, in a sealing device having a sliding lip which seals so as to prevent foreign material in a machine outside from entering into a machine inside, and a labyrinth lip which makes the foreign material hard to reach the sliding lip, a notch portion for absorbing swelling of the labyrinth lip when the labyrinth lip is exposed to the foreign material and is swollen is provided in a leading end portion of the labyrinth lip.

Abstract: A closable centrifuge cup comprising a cup and a lid which can be placed on the cup edge to close the cup opening and can be fastened under tension by means of at least one clamping element with its lid edge to the cup edge. The cup edge or a gasket arranged in the region of the cup edge protrudes further in the direction towards the lid edge in a region remote from the at least one clamping element in the circumferential direction of the cup edge than in a region situated closer to the at least one clamping element. Alternatively, the lid edge or a gasket arranged in the region of the lid edge protrudes further in the direction towards the cup edge in a region remote from the at least one clamping element in the circumferential direction of the lid edge than in a region situated closer to the at least one clamping element.

Abstract: A bearing seal (2) of a rolling bearing configured as a wheel bearing (1) that is connected between a first rotationally rigid bearing part (5) and a second bearing part (7) that is integral with a wheel bearing flange (8), between which rolling bodies (6) are guided. The bearing seal (2) includes a splash plate (3) configured as a preseal, which is supported on an axially and radially oriented contour (12) of the second bearing part (7), and together with the wheel bearing flange (8), axially defines a catch channel (24). A seal fitting (4) is fixed to the first bearing part (5) by a reinforcement (22), wherein the reinforcement (22) is enclosed by an elastic sealing material (21), at least in some areas, from which sealing lips (20, 28, 29) are formed, which are grindingly or non-grindingly associated with the splash plate (3).

Abstract: A cassette seal includes a first and a second ring, wherein the axial sections and the radial sections of the first and second ring are aligned approximately parallel to one another, forming an interior in which a sealing arrangement arranged on the first ring engages in the direction of the second ring and a gap is formed between the radial section of the first ring and the axial section of the second ring. A fixed additional element extends on the side of the axial section of the second ring facing away from the interior, and the rises in the direction of the radial section of the first ring above the axial section of the second ring with a protrusion. The protrusion has a downward slope in the direction of the second ring, to form the gap.

Abstract: A sealing device for sealing between a tube member and an axial member movably inserted into the tube member includes a dust seal held on an opening end part of the tube member and including an annular dust seal lip held in sliding contact with the outer peripheral surface of the axial member, and a scraper arranged at an inner side of the dust seal and including an annular lip portion slidably pressed into contact with the outer peripheral surface of the axial member. The hardness of the lip portion is set to be higher than that of the dust seal lip.

Abstract: The present invention is a generally circular rotary seal that establishes sealing between relatively rotatable machine components for lubricant retention and environmental exclusion, and incorporates seal geometry that interacts with the lubricant during relative rotation to distribute a lubricant film within the dynamic sealing interface. A preferably curved elevated contact pressure zone serves to maximize interfacial lubrication in critical areas during severe operating conditions by utilizing lubricant that would otherwise escape at the trailing edge of the hydrodynamic waves. The zones are produced by geometry that serves to minimize lubricant shear area, seal torque, seal volume, and wear, while ensuring retrofitability into the seal grooves of existing equipment.

Abstract: A radial shaft seal for separating two media includes two radial shaft sealing rings each including an axial surface and a sealing lip. The sealing rings are disposed with the axial surfaces facing one another and the sealing lips axially opposed to one another with a space between the sealing lips including a vent. At least one of the sealing rings includes clamping cams configured to grip an inner rim of the other sealing ring so as to join the sealing rings in a form-locking, rear-engaging position relative to each other.

Abstract: A sealing arrangement used to create a seal between a first part of a chain and a second part of the chain, wherein the second part can at least be pivoted in relation to the first part, includes a sealing ring with an annular sealing lip for sealing a lubricant area between parts which can be pivoted towards each other, and an elastic ring which is adapted to be fixed to one of the parts and which is adapted to exert pressure in the sealing ring. In addition, a supporting ring is arranged between the sealing ring and the elastic ring.

Abstract: A seal assembly can be incorporated into a track pin cartridge assembly of an undercarriage of a track-type machine. The seal assembly can include a pin defining a longitudinal axis and first and second members both coaxial with the pin about the longitudinal axis. The first member is pivotable about the longitudinal axis with respect to the second member and includes a load ring engagement surface defining a seal cavity disposed in proximal relationship to the second member. A seal assembly, including a seal ring and a load ring, is disposed in the seal cavity and sealingly engages the first and second members. A radial segment of a first member engagement surface of the load ring is radially offset, measured along a radial axis perpendicular to the longitudinal axis, from a radial segment of a seal ring engagement surface of the load ring.

Abstract: An abeyance seal includes a polymer actuation ring, which defines a flexible sealing lip normally spaced from the shaft. When subjected to leakage, this element collapses against the shaft and forms an initial sealing. Secondarily, a metal sealing/anti-extrusion ring provides a second seal during leakage. The polymer ring provides the initial sealing function during leakage at low differential pressure, and once the polymer ring seals to the shaft, increased sealed pressure loads the polymer ring against the metal sealing/anti-extrusion ring causing it to deform so that the metal ring comes into contact with the shaft to form a second seal.

Abstract: A device for lubricating an oil seal of an engine which is simple in construction and low in manufacturing cost without the need for providing piping for supplying lube oil to the oil seal and with which lube oil can be supplied sufficiently and properly to the oil seal to prevent overheating of the oil seal which induces oil leakage and occurrences of damage to the oil seal. The lubricating device has an oil seal which contacts a side face of a disk plate fixed to an end of a crankshaft of the engine and seals a gear room of the engine from outside, wherein an oil injection nozzle is attached to an end face of a crankcase of the engine such that the oil injection nozzle is in communication with a main oil gallery of the engine and oil in the main oil gallery is sprayed toward the slide contacting part of the oil seal.

Abstract: A sheet contains AEM and ACM, and the AEM and the ACM are integrally bonded together. A backbone monomer of the AEM is formed of ethylene methyl acrylate, and a crosslinking monomer of the AEM has a carboxyl group. A backbone monomer of the ACM is formed of at least one of ethyl acrylate, butyl acrylate, and methoxy ethyl acrylate, and a crosslinking monomer of the ACM has a carboxyl group, an epoxy group, or an active chlorine group.

Abstract: A sheet is made of ACM. A backbone monomer of ACM is a mixture of ethyl acrylate and butyl acrylate. The weight ratio of butyl acrylate to ethyl acrylate is 0.8 to 1.3. A crosslinking monomer of ACM has a carboxyl group.

Abstract: A fluid sealing assembly includes a shaft and a seal. The shaft includes a surface portion having a microstructural geometry. The seal has a radially flexible portion disposed in proximity to the surface portion having the microstructural geometry such that when the shaft is rotated a pressure differential is generated at the interface of the seal and the surface portion having the microstructural geometry that pushes or pulls fluid relative to the interface.

Abstract: An oil seal for automobiles including an elastic component having a seal lip portion. The elastic component consists of a composition containing fluororubber and fluororesin. The seal lip portion has protrusions at least on the surface thereof. The protrusions substantially consist of the fluororesin contained in the composition. The fluororesin is a copolymer containing a polymerized unit based on tetrafluoroethylene and a polymerized unit based on hexafluoropropylene.

Abstract: The present invention provides a vehicle valve stem seal having both durability and sliding properties at an extremely high level in addition to usual sealing performance. The present invention is a vehicle valve stem seal comprising an elastic member with a seal lip portion on an end of a valve stem guide, the seal lip portion slidably closely contacting with a valve stem of an engine, wherein the elastic member is formed of a composition containing a fluororubber and a fluororesin and has projecting portions at least on a surface of the seal lip portion, the projecting portions being substantially formed of the fluororesin contained in the composition, the fluororesin is a copolymer including a polymerization unit derived from ethylene and a polymerization unit derived from tetrafluoroethylene, and the fluororubber is a polymer including a polymerization unit derived from vinylidene fluoride.

Abstract: An aircraft brake system electromechanical actuator is provided. The actuator is configured with features that allow the electric motor to be a line replaceable unit. One such feature is a foreign-object-damage shield that inhibits dust, debris, and/or other particulate contaminants from entering the electromechanical actuator during electric motor removal and replacement.

Abstract: A dynamic lip seal is provided for sealing between a housing and a shaft and with a fluid medium to be sealed on an oil side and air on an air side of the seal. The seal includes a seal lip extending from a seal body and including a shaft contact portion adapted for engagement with the shaft and including a static band and a first set of spiral grooves disposed on an oil side of the static band, and a second set of spiral grooves on an air side of the static band. The first and second sets of spiral grooves are both configured to pump oil toward the static band when the shaft is rotated in a first direction, and the first and second sets of spiral grooves are both configured to pump oil away from the static band when the shaft is rotated in a second direction.

Abstract: A sealing device is provided for use with an assembly having radially inner and outer parts in fluid communication and movable relative to one another. The sealing device includes a first annular lip which defines an opening for receiving the radially inner part, and an annular channel disposed radially outward of the opening. The first annular lip is configured and adapted for deformation and compressive sealed engagement with the radially inner part while permitting movement of the radially inner part relative thereto. An annular body integrally formed with the first annular lip of the sealing device defines an interior space in communication with the annular channel and the opening. The annular body extends radially outward of the first annular lip and is configured and adapted for sealed engagement with the radially outer part.

Abstract: A shaft sealing assembly for creating a seal between a shaft and a stationary housing comprising: the shaft sealing assembly including a case and a sealing assembly within the case; the case having an inner seal surface diameter within which the shaft is located and within which the sealing assembly located; the case having an outside diameter which may be engaged to the stationary housing; the sealing assembly having an inner seal circumferential surface and an outer seal circumferential surface with the inner seal circumferential surface being engaged to a circumferential surface of the shaft, wherein the sealing assembly remains stationary on the shaft and the outer seal circumferential surface being slidably engaged to the inner seal surface diameter of the case.

Abstract: A seal assembly can be incorporated into a track joint assembly of an undercarriage of a track-type machine. The track joint can have a first member pivotable about a rotational axis relative to a second member thereof. The first member includes a seal member engagement surface defining, at least in part, an axially-extending seal cavity about the rotational axis and within which the seal assembly is disposed. The seal assembly can include a thrust ring and a seal member mounted to the thrust ring. The seal member includes a first member engagement surface, a second member engagement surface, a frusto-conical inner relief surface, a thrust ring engagement surface, and an outer relief surface.

Abstract: A scavenger pump seal and radial shaft seal assembly therewith are provided. The scavenger pump seal includes an inner case configured for fixed attachment to a shaft for conjoint rotation with the shaft and an outer case configured for fixed receipt in a housing in which the shaft rotates. The inner case has an innermost wall sized for a press fit on the shaft and an outermost wall. An absorbent member is fixed to the inner case with the outermost wall overlying the absorbent member, thereby preventing the absorbent member from moving radially outwardly. The outer case has an outermost wall sized for fixed receipt in the housing, and facilitates preventing the egress of oil to the external environment.

Abstract: A shaft seal includes a lip at the low pressure end with a tapered cylindrical body extending from the lip. The tapered cylindrical body has a first diameter where the tapered cylindrical body meets the lip and a second diameter at a distal end that is exposed to a high pressure fluid. An aperture is formed through the lip and through the tapered cylindrical body following an axis of the tapered cylindrical body. The aperture has a first end at the lip and a distal second end. At the first end, the aperture has a first inner diameter that is slightly greater than the outer diameter of the shaft at the distal end, the aperture tapers to a second inner diameter which is approximately the diameter of the shaft. An o-ring, is positioned around the tapered cylindrical body applying pressure on the tapered cylindrical body against the shaft.

Abstract: For sealing between a doctor blade chamber (3) and a rotatable roller (16, 23) in a printing unit, there is provided a gasket (4) having an elastomeric edge (17, 18) for sealing abutment against the roller. The gasket includes a rigid/supporting rail (7) which during operational conditions of the printing unit bears against the roller together with the elastomeric edge or which is spaced apart from the roller.

Abstract: A sealing device which comprises a slinger fixedly fitted to the rotary side member, a core member fixedly fitted to the stationary side member, and an elastic sealing member fixed to the core member and having a seal lip which elastically and slidably contacts the slinger. The slinger comprises a fitting cylindrical portion to be fitted into the rotary side member, a brim portion extending its radial direction at one end of its outside relative to a sealed portion of the fitting cylindrical portion, and a rotary side fixing member fixed to the brim portion. Further, the slinger is made in such a manner that an adhesive layer is formed on its whole surface including a contacting side surface where the seal lip contacts by applying adhesive agent thereon, then the fixing member is integrally fixed thereto, thereafter the adhesive layer is partially removed only in the contacting side surface.

Abstract: A labyrinth sealing device is disclosed for use between a rotating shaft and a bearing housing. In some embodiments, an internal stator engages the housing and a rotor engages the shaft. A labyrinth pathway is defined between the rotor and stator to prevent the migration of lubricants and/or contaminants in either direction. The rotor acts as a running surface for the sealing element, but may also with a ground surface of the rotor to provide a pump that continuously draws lubricant away from the sealing lip toward a sump. In another embodiment, the stator and sealing element are combined as a single element formed from a sealing material. A recess in the sealing lip creates a pressure differential at the sealing surface and minimizes wear.