B29L2031/721

SHOCK ABSORBER AND METHOD OF MANUFACTURING THE SHOCK ABSORBER
20230213083 · 2023-07-06 · ·

A shock absorber, including: a first cylindrical body; a second cylindrical body surrounding an outer peripheral surface of the first cylindrical body and provided movably in a direction of an axis of the first cylindrical body with respect to the first cylindrical body; a spring provided between the outer peripheral surface of the first cylindrical body and an inner peripheral surface of the second cylindrical body and applying a force in a direction of separating the first cylindrical body and the second cylindrical body; and a spring seat portion that is a cylindrical body provided between the outer peripheral surface of the first cylindrical body and the inner peripheral surface of the second cylindrical body and supporting an end portion of the spring in the axis direction, the spring seat portion being made of resin and being arranged movably in a direction intersecting the axis direction.

SLIDING GUIDE SHOE FOR AN ELEVATOR AND METHOD FOR PRODUCING A SLIDING GUIDE SHOE
20230059305 · 2023-02-23 ·

A guide shoe for an elevator is formed entirely of plastic materials and includes a guide shoe housing, a damping element and a guide element that are firmly bonded to one another and form a one-piece composite structure. The composite structure is produced by a three-component injection molding process.

Fuel cell separator and method of manufacturing the same

A fuel cell separator includes a separator main body having a first surface and a second surface, and a first seal member disposed on the first surface. When a region on the first surface of the separator main body corresponding to an electrode member disposed on the second surface is defined as a power generation region, and a region on the first surface of the separator main body corresponding to an in-cell seal member is defined as a seal region, a displacement/vibration reducing member made of polymer is disposed at a part of the seal region. The displacement/vibration reducing member includes multiple protrusions and a coupling portion. When viewed in plan view, an axis line connecting the centers of the figures of the adjacent protrusions does not coincide with a center line passing through the widthwise center of the coupling portion. The coupling portion has a gate cut mark.

END MEMBER ASSEMBLIES AS WELL AS GAS SPRING ASSEMBLIES INCLUDING SAME

An end member assembly is dimensioned for securement to an associated flexible spring member. End member assembly includes first, second and third end member sections. First end member section includes a first outer peripheral wall portion. Second end member section includes a second outer peripheral wall portion. Second end member section is positioned in abutting engagement with the first end member section such that a groove extends peripherally around first and second end member sections between first and second outer peripheral wall portions. Third end member section is injection molded in situ with first and second end member sections such that third end member section extends peripherally around first and second end member sections within groove. Gas spring assemblies and vehicle suspension systems are also included.

Damper unit, a damper assembly, and a method for making a damper unit
11685435 · 2023-06-27 · ·

A damper unit for use in a vibration-reducing assembly for a steering wheel is disclosed. The damper unit includes a slider configured, upon horn activation, to slide on a guide shaft. A damper element made from an elastomeric material is arranged on a first part of the slider. A molded horn spring element is molded directly on a second part of the slider and is configured to exert a spring force on the slider. The damper unit provides a unitary structure providing both a vibration damping function and a horn spring function in one single assembly unit, reducing the number of components to assemble. A vibration-reducing damper assembly including one or more such damper units is also disclosed, as well as a method of making such a damper unit.

Top mount assembly and method for manufacturing same
11685213 · 2023-06-27 · ·

A top mount assembly includes an insulator coupled to a vehicle body; an upper housing coupled to the insulator; a lower housing coupled to the upper housing; a bearing arranged between the upper housing and the lower housing; an inner seal member comprising a seal frame coupled to the upper end portion of the lower housing in a radially inward direction of the bearing, a seal base portion coupled to the seal frame and a plurality of inner seal lips. The seal frame includes a sleeve coupled to the upper end portion of the upper housing and a flange extending from an upper end of the sleeve in a radially outward direction. The seal base portion is coupled to the flange of the seal frame. The upper end of the inner seal lips is disposed to be spaced apart from the inner sidewall of the upper housing.

APPARATUS AND METHOD FOR MANUFACTURING STABILIZER
20170312988 · 2017-11-02 ·

A stabilizer manufacturing apparatus for manufacturing a stabilizer to which rubber bushes are heat-bonded is provided with a curing furnace in which high-frequency induction heating is performed, a conveyor for conveying the stabilizer in a conveying direction through the curing furnace, the rubber bushes being pressure-bonded to bonding locations on the stabilizer on which an adhesive layer is formed, power supply devices for supplying power to coils used in the high-frequency induction heating, and coils for generating a magnetic field in portions to be heated of the stabilizer near the bonding locations and for heating the portions to be heated; the coils being separated by a predetermined distance from the portions to be heated of a predetermined number of stabilizers conveyed in the conveying direction.

Method for manufacturing soundproofing board part having excellent sound absorption performance and soundproofing board part manufactured by the same

Disclosed is a method for manufacturing a soundproofing board part having improved sound absorption performance. The soundproofing board part is manufactured by using, as a material, a recycled soundproofing material which contains a polyurethane foam having excellent sound absorption performance and impact resilience during the press molding; and by producing a sound absorption part on the back surface of the soundproofing board part through a remolding processing method. Also disclosed is a soundproofing board part manufactured by the method. Accordingly, sound absorption performance of the soundproofing board part is improved by about 20% or greater, manufacturing cost thereof may be reduced by recycled resources utilizing waste sheets, and manufacturing process may be simplified compared the related art.

Assembly of injection-molded carrier and insert(s) containing heat-expandable resin composition
09789828 · 2017-10-17 · ·

An assembly useful for providing structural reinforcement and/or sound/vibration damping to a hollow member of a motor vehicle is provided which contains an injection-molded carrier made of a heat resistant thermoplastic composition, at least one of the first side and the second side of the carrier has at least one receptacle adapted to receive and retain an insert comprised of a heat-expandable resin composition. The carrier may have a plurality of openings in at least one of the first side or the second side forming a grid or lattice and the assembly may include a mounting member adapted to fasten the carrier to an interior wall of a hollow member.

IMPACT-ABSORBING MATERIAL AND METHOD FOR PRODUCING IMPACT-ABSORBING MATERIAL
20170328435 · 2017-11-16 · ·

An impact absorber absorbs impact energy when receiving an impact load. The impact absorber includes a fibrous structure. The fibrous structure includes a tube of which a center axis extends in a direction in which the impact load is applied and a rib that connects opposing inner surfaces of the tube. The fibrous structure is impregnated with a matrix resin. The direction in which the impact load is applied is referred to as an X direction, and a direction in which the rib connects the opposing inner surfaces of the tube is referred to as a Y direction. The tube includes a fiber layer including load direction yarns extending in the X direction and intersecting direction yarns intersecting the load direction yarns. The rib includes yarns extending only in a direction orthogonal to the X direction.