Abstract: A cushion for a respiratory therapy mask for contacting the face of a user. The cushion has a textile layer and a resilient material bonded to a surface of the textile layer. The resilient material is self-supporting to define a profile of the cushion, and the cushion has an opening for communication with a breathing chamber and delivery of fluid to the user.

Abstract: An elastic body includes an annular main body portion to be disposed in an annular gap, a seal lip portion extending from a portion, closer to an object to be sealed, of the main body portion and being to be in contact with an inner member, a flange portion extending outwardly from an end, opposite to the object to be sealed, of the main body portion and including a first side closer to the object to be sealed, the first side being to be in contact with an outer member, a side lip portion extending from the end opposite to the object to be sealed in a direction away from the object to be sealed, and a projecting portion formed circumferentially on a second side, opposite to the object to be sealed, of the flange portion. The side lip portion has a back surface configured to be in contact with the projecting portion in response to the side lip portion being pressed by a mating member disposed opposite to the object to be sealed.

Abstract: A sealing device includes a reinforcing ring and an elastic body part formed from an elastic body and attached to the reinforcing ring. The elastic body part includes a seal lip projecting toward one side in a direction of an axis, a secondary lip portion projecting toward another side in the direction of the axis, and an outer peripheral portion covering the reinforcing ring from an outer periphery side. The seal lip projects beyond the reinforcing ring toward the one side, and the secondary lip portion projects beyond the reinforcing ring toward the other side. In the outer peripheral portion, at least one identification part acting as a mark is formed further on the one side or the other side than a middle of the outer peripheral portion.

Abstract: A sealing device includes a metal ring 110 with a cylindrical section 111 and an inward flange section 112 disposed at one end of the cylindrical section 111. A resin seal 120 has an outer circumference side fixed to the metal ring 110 and an inner circumference side configured to slidably and closely come into contact with an outer circumference surface of the rotary shaft in a state deformed to curve toward a sealing target region. A flat spring 130 includes a plate-shaped annular metal member and has an outer circumference side fixed to the metal ring 110 and an inner circumference side configured to deform to curve along the resin seal 120 and press the inner circumference side of the resin seal 120 radially inward. A metal slide bearing 140, is sandwiched between the resin seal 120 and the inward flange section 112 and configured to slide on the outer circumference surface of the rotary shaft.

Abstract: A seal device includes a first sidewall, a second sidewall and a carbon seal element. The first sidewall is arranged with a first tool die which centers the first sidewall about an axis. The first sidewall axially contacts the first tool die along the axis. The carbon seal element is arranged with a centering element which centers the carbon seal element about the axis. The carbon seal element circumscribes and radially contacts the centering element. The second sidewall is arranged with a second tool die which centers the second sidewall about the axis. The second sidewall axially contacts the second tool die along the axis. The first tool die and the second tool die are moved axially together along the axis to press fit the second sidewall into a bore of the first sidewall and axially capture the carbon seal element between the first sidewall and the second sidewall.

Abstract: A sealing device acts to seal a gap between a housing of a gear reducer and a rotational shaft that bi-directionally rotates, and separates an internal space of the housing in which a grease is stored from an atmosphere side. The sealing device includes a main seal lip protruding radially inward from an inner peripheral surface of an inner cylindrical portion. The main seal lip has an internal-side inclined surface disposed on a side of the internal space and an atmosphere-side inclined surface disposed on the atmosphere side. An auxiliary seal lip protrudes radially inward and toward the internal space from the internal-side inclined surface of the main seal lip. Multiple first spiral structures and multiple second spiral structures are formed on at least one of the atmosphere-side inclined surface of the main seal lip and an inner peripheral surface of the auxiliary seal lip.

Abstract: An adjustable seal system includes a suspension liner having a liner body and an outer surface. A plurality of seal bands are located along a height of the liner body. A seal component is arranged for removably securing to the liner body. The seal component includes open upper and lower ends defining an opening therethrough and an internal surface arranged to frictionally engage at least one of the seal bands and secure on the outer surface of the liner. The seal component also includes an upper portion descending to at least one seal, and a lower portion.

Abstract: A method for applying a sealing member to a capsule intended for the preparation of a beverage in a device for making beverages, where the capsule includes a body having a bottom wall, a side wall and a flange-like rim which extends from the side wall, comprises a step of applying a charge of sealing composition in a viscous state on the flange-like rim and a step of compression moulding the charge of sealing composition against the flange-like rim.

Abstract: A seal for a fluid level sensor assembly mounted in a pipe includes a seal body arranged to be sealingly fitted around a sensor, the seal body having a first side defining a first lip and a second side defining a second lip, the second lip being thinner than the first lip, and a spring mounted to the seal and arranged to move the seal body along the sensor, when mounted around the sensor, such that the second lip provides a seal around the sensor and the first lip wipes the sensor to remove debris thereon.

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 packing device for a vehicle may include: a body part; a power providing part rotatably mounted in the body part, and disposed through the body part; an insertion space part disposed in the body part; and a sealing part disposed in the insertion space part, including an insert-molded structure having different materials, and configured to press against the insertion space part and the power providing part so as to prevent an oil leak.

Abstract: A seal includes an annular seal body formed of an elastomeric material and has opposing first and second circumferential surfaces and a sealing projection extending radially from the first circumferential surface. The projection has a frustoconical primary sealing surface with first and second axial ends and an axial length between the first and second ends. The projection is sealingly engageable with the inner surface of the outer member when the seal body is coupled with the inner member, such that substantially the entire axial length of the primary sealing surface is disposed against the inner surface of the outer member. Alternatively, the projection is sealingly engageable with the outer surface of the inner member when the seal body is coupled with the outer member, such that substantially the entire axial length of the primary sealing surface is disposed against the outer surface of the inner member.

Abstract: In an embodiment, the present invention provides a seal with at least one sealing lip to seal a gap between a machine component and a housing, including: a main body made from resilient material, the main body being equipped such that it is electrically conductive and is covered with a jacket made from an electrically insulating material on at least part of its outer side. The jacket is assigned to at least those regions of the main body that are in contact with the machine component and the housing.

Abstract: A sealing arrangement includes: a sealing ring having at least one dynamically loaded sealing lip, the sealing ring including a core comprised of an electrically conductive material and a casing comprised of an electrically insulating material, the casing having a material thickness, surrounding the core at least in part and including the sealing lip; a machine element to be sealed that has a surface to be sealed, which surface is electrically conductive and surrounded by the sealing lip in a radially prestressingly sealing manner; and a wear detector, which has an electric measurement device for detecting a state of wear of the sealing ring. When viewed in section, the material thickness of the sealing lip is smaller in a radial direction than the material thickness of a remainder of the casing.

Abstract: An axle housing having a lubricant reservoir. An arm portion of an axle housing and a dam may cooperate to define a reservoir that retains lubricant in the arm portion. A conduit or a deflector may be provided to direct lubricant that is sprayed by a ring gear to the reservoir.

Abstract: Substrate comprising a discrete first layer comprising a first surface, an opposing second surface and a polymeric first material, wherein the first layer has a thickness of from about 1 micron to about 1000 microns and a hardness of from about 10 to about 80 on the Shore A scale; a discrete second layer comprising a first surface, an opposing second surface, and a second material, wherein the second layer has a hardness of from about 1 to about 70 on the Shore OOO scale and a thickness of from about 0.001 cm to about 2.

Abstract: A seal with, on the one hand, a support body in the form of a carrier ring with an axial leg and, on the other hand, a sealing washer which is placed or arranged on the carrier ring and which surrounds the axial leg on the outer periphery, said carrier ring being made of a metallic material, wherein the carrier ring is made of a sheet of the HYS type.

Abstract: A reciprocating-rod seal (10) comprising a one-piece rigid support (20) and a one-piece elastomeric body (30) bonded to the rigid support (20). A notch (40) separates an ID fluidside portion (41) of the elastomeric body (30) from an OD fluidside portion (42) of the elastomeric body (30), and the ID fluidside portion (41) forms a sealing lip (43). A groove (50) separates an ID airside portion (51) of the elastomeric body (30) from an OD airside portion (52) of the elastomeric body (30), and the ID airside portion (51) forms a wiping lip (53). The sealing lip (43) prevents fluid escape during forward and return strokes of a reciprocating rod, and the wiping lip (53) removes dirt, dust, or other debris from the rod during return strokes. The seal (10) can serve as the primary seal for a mudpump pony rod and/or a mudpump plunger rod.

Abstract: A rotary pump device is provided in which a drive shaft is inserted into a center hole of a cylinder that forms rotor chambers, and into outer rotors and inner rotors of rotary pumps. In the rotary pump device, seal mechanisms that include hollow-shaped resin members and annular rubber members are arranged on an opposite side to the cylinder with respect to the rotary pumps. Metal rings are arranged in hollow portions of the resin members in the seal mechanisms so that the drive shaft is inserted into an inner periphery of the metal rings with a minimum clearance.

Abstract: A shaft seal device is provided in which movement of the seal lip is prevented and the sealing function can be reliably maintained by shaping the adapter so that the adapter is more readily pressed into and less liable to be dislodged from the cartridge, and by increasing the width in the radial direction. An external peripheral-side flange of the adapter fitted into the cartridge on the sealing fluid side of the first lip seal member is formed in a small-diameter tapered shape toward the web side, and the web is composed of an external-periphery-side portion having an orthogonal planar shape that is orthogonal to the center of the shaft, and a tapered internal-periphery-side portion that slopes to the sealing fluid side.

Abstract: The present disclosure describes a magnetic fluid sealing device having a shaft centered with respect to a magnetic structure and rolling element bearing, as well as a method for centering the shaft in the device. A compressible ring located in a groove on the shaft is used to partially fill the gap between the shaft and the rolling element bearing and to make contact with the rolling element bearing. The compressible ring aligns and centers the shaft with the rolling element bearing. A liquid locking material is added to the gap and hardened to couple the shaft and compressible ring to the rolling element bearing. An alternative self-alignment mechanism is also disclosed.

Abstract: A piston for a control valve of a water treatment apparatus includes a body having a central portion from which at least one flange projects radially outward. Each flange has an outer peripheral surface extending around the central portion with an annular groove therein. The annular groove is undercut thereby having a width that increases from the peripheral surface radially inward into the flange. A separate sealing ring is molded into the groove of each flange and is captivated therein by the undercut of the groove. That captivation better enables each sealing ring to resist forces produced by the water flowing through the control valve without becoming dislodged from the flange.

Abstract: A fluid seal assembly is disposeable between an outer surface, i.e. engine block or any other part that requires application of the assembly and a rotatable member, such as, for example a shaft, wherein the assembly circumscribes the shaft and lubricated the shaft and the same rotates around the axis. The assembly includes at least three members: a casing unit, a sealing ring unit, and a liner. The assembly eliminates problems associated with prior art designs such as static leakage of oil, clogging up the spirals with carbonized oil that negatively impact lifecycle of the fluid seals.

Abstract: A sealing device for forming an airtight seal between a first body, such as a cure tool, and a second body, such as a vacuum bag, without the use of adhesives. The sealing device may comprise an outer surface attached to the second body, an inner surface configured to face the first body, and two cusps located at opposite edges of the inner and outer surfaces. The sealing device may form a continuous boundary around an area of any shape or size. The sealing device may have a substantially crescent-shaped cross-section, allowing the sealing device to suction to the first body when compressed against the first body. The sealing device may also comprise a tab portion protruding from the inner surface between the first and second cusp for providing a more secure seal between the sealing device and the first body.

Abstract: A seal assembly including a seal body; an augmentation configuration partially radially displaced from the seal body; a filler material at least partially disposed between the seal body and the augmentation configuration and method.

Abstract: Seal assembly for sealing a clearance gap between a boundary of an aperture formed in a housing and a member extending through the aperture. The seal assembly comprises a seal member and a seal member mounting means disposed around the sealing member and is configured to engage with the aperture boundary. The seal member mounting means is configured to seal an alignment interspace provided in the clearance gap between the seal member and aperture boundary. The seal member mounting means is configurable to permit the seal member to be located at a position relative to the aperture boundary in dependence upon the relative positions of the member and aperture boundary to thereby accommodate misalignment between the member and aperture boundary. The seal member mounting means is configurable to lock the seal member relative to the aperture boundary in said position.

Abstract: A brush seal for sealing a rotor with respect to a stator includes a bristle housing which is held on the stator or rotor, a cover plate, a supporting plate, a circumferential surface and two side surfaces and in which bristles oriented with their free ends to the rotor or stator are fastened. The bristle housing, for ensuring correct, anti-rotation installation in its seat, includes a first positioning arrangement on at least one side surface or the circumferential surface, the first positioning arrangement interacting in a positive-locking manner with a correspondingly configured second positioning arrangement on the stator or rotor or a separate fastening element for the definite positioning of the bristle housing.

Abstract: A gasket assembly (20) and method for forming the gasket assembly (20) for sealing two mating surfaces (46,48) over a complex geometrical contact region. The gasket assembly (20) is formed by a hollow silicone rubber tube (22) having a naturally straight configuration but easily bent into complex configurations without kinking. The tube (22) is filled with a curable liquid rubber compound (30) and then the ends (24,26) of the tube (22) are joined in end-to-end fashion to form a continuous loop. The joined ends (24,26) of the tube (22) can be reinforced with a connector (34,134) and then locally cured on a preliminary operation so that the liquid rubber compound (30) does not escape. The tube (22) is then laid up in a mold (40) having a complex geometrical feature (42) which replicates the complex geometrical contact region of the two mating surfaces (46,48) to be subsequently sealed.

Abstract: A gasket for pipe-to-pipe connections, which is closely received within a rectangular-shaped annular groove in the bell end of a pipe, and provides a compressive, fluid-tight seal with the spigot end of another pipe. The gasket includes a two-part body having a substantially rectangular profile in section, including a relatively rigid component joined to a relatively resilient component. The resilient component includes a radially inwardly projecting sealing lobe for providing a compressive seal with the spigot end of a pipe, and a reinforcement portion of the rigid component is disposed between the sealing lobe and the pipe bell end to provide a radially non-compressible reaction surface against which the sealing lobe is compressed. The rigid component also includes a tapered leading edge portion for aligning and centering the spigot end of a pipe upon insertion within the gasket, and the leading edge portion is reinforced by a plurality of circumferentially spaced ribs.

Abstract: A reinforcing ring applicator is provided to receive cartridges of reinforcer rings for applying flat, adhesive-coated annular reinforcement rings onto sheets of material about perforations which have been formed in the sheets of material. The reinforcer ring cartridge is a disposable item comprised of an annular backing member releaseably attachable to the reinforcing ring applicator. A reinforcing ring mounting post is frictionally engaged in a central aperture in the annular backing member. The reinforcer mounting post has a cylindrical, corrugated exterior surface and a lower tip formed with a plurality of separate, downwardly and radially inwardly directed, resilient deflectable fingers projecting therefrom. A plurality of flat, annular reinforcing rings are stacked one atop another and are releaseably and frictionally engaged with the mounting post by the corrugations thereof.

Abstract: A sealing ring has an annular disk with at least one fastening part secured on a first machine part and at least one sealing part that, when the sealing ring is mounted, sealingly rests against a second machine part. The annular disk is fastened without intermediate positioning of a supporting body on the first machine part. The sealing ring is a rotary shaft seal, a piston seal ring, or a rod seal. One of the first and second machine parts is stationary and the other one of first and second machine parts is moveable. A first bonding layer is attached to the annular disk, and the annular disk is connected with the first bonding layer to the first machine part. The first bonding layer is an adhesive layer.

Abstract: A unitized seal for use in a gas spring seal assembly. The unitized seal includes a rigid thermoplastic insert having an elastomeric sealing layer surrounding the insert and bonded to the insert. The insert provides rigidity to the seal and includes a central, axial opening that receives and guides a rod slidably engaged with the insert. The sealing layer engages the interior surface of the gas spring cylinder to prevent the pressurized gas contained within the gas spring from escaping around the seal. The sealing layer also includes a central, axial opening aligned with the passage in the insert that slidably engages the rod and further prevent gas from escaping the gas spring cylinder. The unitized seal may be formed in a single or two-step process. In the single step process, the insert and sealing layer are formed by injection molding processes in a single mold and are bonded to one another by a subsequent covulcanization process.

Abstract: A seal for a poppet valve of an integrated pressure management apparatus, a valve system using the poppet valve seal, and a method of cleaning debris off of a poppet valve. The poppet valve is movable between an open position permitting fluid flow through an aperture in a housing and a closed position preventing fluid flow through the aperture. The seal includes an annular body having a first sealing surface fixed to the housing and a second sealing surface confronting the poppet valve. An annular lip projects obliquely from the seal is resiliently deformed by the poppet valve at the closed position, thereby cleaning debris off the sealing surface of the poppet valve.

Abstract: 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 the body portion. The wafer is placed in a mold cavity with one side of the wafer opposed to a surface portion of the mold cavity. Elastomeric material is forced into the mold cavity to form a molded preform of the elastomeric sealing member and bond the preform to an opposite side of the wafer. The molded preform and bonded wafer are removed from the mold cavity. The end portion of the wafer and an end portion of the preform are trimmed to form the fluid seal.

Abstract: A retainer for the installation of a seal or other component within a machine assembly including concentric first and second machine parts. One of the machine parts is formed as including a gland having a forward end wall and first and second peripheral walls. The first peripheral wall is spaced-apart a first distance from the other machine part and extends intermediate the forward end wall and an open rearward end, with the second peripheral wall being formed contiguously within the first peripheral wall intermediate the forward end wall and the open rearward end. The second peripheral wall is spaced-apart a greater second distance from the opposing machine part, and terminates at a rearward end wall. The retainer has an annular body configured to be receivable intermediate the first and second machine parts.

Abstract: A method of manufacturing a sealing apparatus has an annular sealing lip formed of a resin material, a reinforcing ring having a bent section for nipping the peripheral; end portion of the annular sealing lip, and a sealing portion formed of a rubber-like elastic material and vulcanization formed integrally with the reinforcing ring and the annular sealing lip. Metal rings and a PTFE sealing member which are integrally assembled in such a manner that the inside surface of he peripheral portion of the metal ring is fitted to the outside surface of the peripheral portion of the metal ring to nip the sealing member having a sealing lip portion between the flange portion of the metal ring and the flange portion of the metal ring are integrally held by a rubber formed covering portion composed of an axial end portion, a peripheral fitting portion, a wall portion, a sealing lip portion, and a bonding airtight portion which are continuously formed.

Abstract: A seal assembly especially suitable for use as the sealing element in the annular cylindrical bore of a concentric cylinder assembly. The seal assembly includes an annular insert structure of rigid material and an annular seal member of elastomeric material bonded to the insert structure. The annular insert structure has an I-beam cross-sectional configuration including an outer annular flange structure centered on an axis, an inner annular flange structure centered on the axis concentrically within the outer annular flange structure, and annular web structure extending radially between the inner and outer annular flange structures. The web structure coacts with the flange structures to define left and right continuous annular grooves in the left and right faces of the insert structure and defines a plurality of circumferentially spaced holes extending axially through the web structure between the left and right grooves.

Abstract: A seal for movable structural components, like piston rods or shafts, includes a carrier body made of thermoplastic material and a sealing member locked to said carrier body and made of polytetrafluoroethylene (PTFE) material. A form-lock connection is achieved by an undercut which is formed permanently in the sealing member and filled with plastic material of the carrier body.

Abstract: A slide ring seal assembly includes a slide ring having a radial slide face and a circumferential conical surface; a support ring, made of an elastic material, surrounding the slide ring and having a circumferential conical surface; an annular elastic rolling body disposed between the slide ring and the support ring and being in engagement with the circumferential conical surfaces thereof; and an annular reinforcing body embedded in the support ring and having a plurality of radially, axially and circumferentially extending channels distributed over the circumference of the reinforcing body.

Abstract: 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 therefrom. A body portion of the seal ring has a smooth cylindrical exterior surface and the seal ring is formed from a compressible moldable material. A spring is provided and disposed between the flanges for outwardly biasing the flanges from one another to enable sealing between the shaft and the housing. A band is provided and disposed externally around the body portion for holding the seal ring within the housing. A bond is provided between the band and the seal ring by way of striations and grooves which enable the seal ring material to compressibly mold into the band to provide a bond therebetween.

Abstract: Handling ability can be improved and operational defect at a time of integral formation with a rubber like elastic seal lip can be prevented by effecting a chamfering working to an edge portion of a conical washer like resin ring. In a method in which a conical washer like resin ring 40 is formed by conically cutting away an end surface 51 of a cylindrically formed resin material 50 with a predetermined thickness and the resin ring is utilized as a seal lip 3 by assembling the inner diameter end portion or outer diameter end portion with a device body, it is characterized in that a sharply projecting edge portion 47 on the side utilizing as the seal lip of the conical washer like resin ring 40 is subjected to chamfering working 45, 46. It is characterized in that the resin ring 40 is assembled with the device body having a rubber like elastic seal lip 2.