Abstract: A gasket includes a plurality of compression limiters each including a plastic body having a fastener aperture extending there through and a plurality of flow holes extending there through. An elastomeric body defines a perimeter sealing body molded around the plurality of compression limiters at spaced locations around the perimeter sealing body. The elastomeric body extends through the plurality of flow holes in the plurality of compression limiters.

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 developing roll has a metal core, an elastic layer, and a surface layer. A value X is 65.6 N/mm3 or more and a value Y is 229 ?m or more. The value X is P1/(D1×A)?P2/(D2×A). P1 is the load to displace the roll 100 ?m when a metal probe is pressed against the roll. D1 is the displacement of the roll caused by the probe under the load P1. A is the area of the probe. P2 is the load to displace a material roll by 100 ?m when the probe presses against the material roll with the core and the elastic layer and without the surface layer. D2 is the displacement of the material roll caused by the probe under the load P2. The value Y is the displacement of the roll when the probe pierces the surface layer.

Abstract: A sealing device includes a reinforcing ring formed annularly around an axis and an elastic body part that is formed from an elastic body attached to the reinforcing ring and that is formed annularly around the axis. The reinforcing ring includes a tubular portion having a cylindrical shape around the axis and a flange projecting annularly from an outer end portion of the tubular portion to an inner periphery side. The elastic body part includes a lip portion that is an annular portion covering the flange from an outer side, projecting from the flange toward the outer side in a direction of the axis, and projecting toward the inner periphery side in a radial direction. The lip portion includes a seal lip portion that is an annular portion projecting toward the outer side in the direction of the axis and a secondary lip portion that is an annular portion projecting toward an inner side in the direction of the axis.

Abstract: A sealing device is disposed between an inner member and an outer member that rotate relative to each other to seal a gap between the inner member and the outer member of the sealing device, and includes a first sealing member including a cylindrical part to be mounted to the outer member, and an annular part that extends radially inward from the cylindrical part toward the inner member; and a second sealing member including a sleeve to be mounted to the inner member, and a flange that extends radially outward from the sleeve, the flange facing the annular part of the first sealing member. The first sealing member includes at least three axial lips made from an elastic material that extends from the annular part toward the flange of the second sealing member. An axial lip disposed radially outer side has an interference that is greater than that of an axial lip disposed radially inner side.

Abstract: A system, apparatus, method, and machine readable medium are described for performing advanced authentication techniques and associated applications. For example, one embodiment of a method comprises: receiving a policy identifying a set of acceptable authentication capabilities; determining a set of client authentication capabilities; and filtering the set of acceptable authentication capabilities based on the determined set of client authentication capabilities to arrive at a filtered set of one or more authentication capabilities for authenticating a user of the client.

Abstract: A sealing device is disposed between an inner member and an outer member of a rolling bearing that rotate relative to each other, and that acts to seal a gap between the inner member and the outer member. The sealing device includes an annular rigid part that is to be fixed to an inside of a hole of the outer member, the rigid part made from a rigid material; and an elastic part fixed to the rigid part, the elastic part made from an elastic material. The elastic part includes a seal lip having a truncated cone ring shape that is to be in slidable contact with the inner member or a member fixed to the inner member. Multiple bumps are formed on an inner peripheral surface of the seal lip, and are to be always in slidable contact with the inner member or the member fixed to the inner member. Clearances are provided between the seal lip and the inner member or the member fixed to the inner member in vicinities of the bumps.

Abstract: A torsional damper is provided with: a hub affixed to a rotary shaft and having an outer-circumferential surface along a circle centered on the rotary shaft; an annular oscillation ring having an inner-circumferential surface the diameter of which is larger than the outer-circumferential surface of the hub on a circle centered on the rotary shaft; and a rubber ring that exists in a compressed state between the outer-circumferential surface of the hub and the inner-circumferential surface of the oscillation ring, comprises a rubber composition the main component of which is EPDM, and has a loss coefficient (tan ?) of 0.18 or higher when the surface temperature is 60±5° C. When subjected to resonance point tracking, the rubber thickness (c) and the maximum attained surface temperature (Tmax) of the rubber ring during continuous excitation at the resonance point satisfy a prescribed relational expression.

Abstract: A developing roll used in an electrophotographic image forming apparatus has a metal core member, an elastic layer made of a rubber disposed around the core member, and a surface layer disposed around the elastic layer. The texture aspect ratio of the surface Str of the surface layer is equal to or greater than 0.55.

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: A torsional damper comprises: a hub fixed to a rotating shaft and having an outer peripheral surface on the circumference centered on the rotating shaft; an annular vibrating ring having an inner peripheral surface having a diameter larger than that of the outer peripheral surface of the hub, on the circumference centered on the rotation axis; and a rubber ring, composed of a rubber composition containing EPDM as a main component, provided in a compressed state between the outer peripheral surface of the hub and the inner peripheral surface of the vibrating ring, and has a loss coefficient of 0.18 or more when the surface temperature is 60±5° C., wherein when the rubber ring is subjected to the resonance point tracking method, the maximum surface reaching temperature of the rubber ring at the time of continuous vibration at the resonance point and the vibration ring thickness satisfy a specific relational expression.

Abstract: An electric pump includes a housing that includes a gear chamber, a rotor chamber, and a motor chamber. The electric pump includes a first seal member, a second seal member, and a third seal member. The first seal member seals a space between the gear chamber and the rotor chamber. The second seal member seals the space between the gear chamber and the rotor chamber. The third seal member seals a space between the gear chamber and the motor chamber. The third seal member seals the space between the gear chamber and the motor chamber to a lesser extent than the first seal member and the second seal member seal the space between the gear chamber and the rotor chamber.

Abstract: A sealing device includes: a sealing device main body to be attached to an outer periphery side member; and a slinger to be attached to an inner periphery side member. The sealing device main body includes: an annular reinforcement ring centered on an axis; and an annular elastic body part that is made of an elastic body attached to the reinforcement ring and is centered on the axis. A through hole that passes through a portion between an internal space side surface and an atmosphere side surface of the reinforcement ring is formed in the reinforcement ring, and a positioning part for fixing the position of the reinforcement ring at the time of vulcanization is formed on an internal space side surface of the elastic body part. In the sealing device, the through hole and the positioning part are formed at positions separated in the radial direction.

Abstract: Provided are a sealing device that can be easily manufactured and achieve a reduction in friction and a method for manufacturing the sealing device. A sealing device is provided between a housing in which a plurality of opening portions are formed in a tubular inner peripheral surface and a rotor that is disposed in the housing and switches a flow path by rotating relative to the housing. The sealing device includes a sealing device main body that is disposed along the inner peripheral surface and includes a sliding member provided on an inner surface or an outer surface. The sealing device main body has a plurality of through-holes that communicate with each of the plurality of openings, and the sealing device main body is a strip plate-shaped member with a flat plate shape that is bent and deformed.

Abstract: A system, apparatus, method, and machine readable medium are described for secure authentication. For example, one embodiment of a system comprises: an authenticator on a client device to securely store one or more private keys, at least one of the private keys usable to authenticate a block of a blockchain; and an attestation module of the authenticator or coupled to the authenticator, the attestation module to generate a signature using the block and the private key, the signature usable to attest to the authenticity of the block by a device having a public key corresponding to the private key.

Abstract: A welding jig device includes a jig on one side, a jig on the other side, and a jig clamp. The jig on one side includes a joint face on one side that contacts one face of faces exposed on outer surface sides of a plurality of workpieces that are overlaid one on top of the other. The jig on the other side includes a joint face on the other side that contacts the other face of the faces exposed on the outer surface sides of the plurality of workpieces. An opening corresponding to a desired welded portion of the plurality of workpieces is provided in at least one of the jig on one side or the jig on the other side. The jig clamp sandwiches the jig on one side and the jig on the other side together with the plurality of workpieces in a stacking direction of the plurality of workpieces.

Abstract: A nitrile rubber-based composition comprising 1,000 to 2,500 parts by weight of a magnetic powder or silylated magnetic powder having a compressed density of 3.4 to 3.7 g/cm3, 0.5 to 20 parts by weight of alkoxyalkylsilane, and 8 to 40 parts by weight of a plasticizer, based on 100 parts by weight of nitrile rubber, hydrogenated nitrile rubber, or blend rubber thereof. The nitrile rubber-based composition that does not cause deterioration in roll processability and in adhesion between an adhesive applied to a metal plate and the rubber, even when a magnetic powder is added at a ratio as high as 1,000 parts by weight or more based on 100 parts by weight of nitrile rubber, hydrogenated nitrile rubber, or blend rubber thereof.

Abstract: A separator-integrated gasket with improved productivity includes a separator main body for a fuel cell and an elastic gasket formed integrally with the separator main body. The separator main body includes a bead and a pair of protrusions located on opposite sides of the bead to block the liquid rubber applied to the bead. The gasket is formed when the liquid rubber is cured.

Abstract: A sealing device capable of suppressing depletion of lubricant is provided. A sliding surface of a side lip 220 at a position away from a distal end of the side lip 220 is provided with a plurality of annular grooves 222 adjacent each other, each of all parts that form annular protrusions 223 between adjacent annular grooves 222 protrudes most at a center in a width direction thereof, with an amount of protrusion gradually decreasing with increasing separation from the center, and both sides of the center in the width direction are symmetric in shape. A tip portion of the sliding surface of the side lip 220 on the distal side of a region, which is provided with the plurality of annular grooves 222, is configured to make a planar contact with an end face of the annular member.

Abstract: A sealing member for mechanical seals, which is a peroxide vulcanized molded article of a hydrogenated nitrile rubber having a bound acrylonitrile content of less than 20% and an iodine number of 20 mg/100 g or less. The sealing member for mechanical seals is obtained as a peroxide vulcanized molded article of a hydrogenated nitrile rubber composition comprising 0 to 5 parts by weight of carbon black, 20 to 100 parts by weight of silica, and 0.5 to 3 parts by weight of silane coupling agent, based on 100 parts by weight of hydrogenated nitrile rubber, and preferably further compounding 50 parts by weight or less of titanium oxide non-reinforcing filler. The obtained vulcanized molded article is to provide a sealing member for mechanical seals that can achieve desired LLC resistance, and that has excellent compression set characteristics, cold resistance, processability, hardness, etc.