US 12,466,344 B2
Seat pad and seat pad manufacturing method
Akira Hashizume, Tokyo (JP); and Masaki Shinagawa, Tokyo (JP)
Assigned to Archem Inc., Tokyo (JP)
Appl. No. 18/565,240
Filed by Archem Inc., Tokyo (JP)
PCT Filed Nov. 17, 2021, PCT No. PCT/JP2021/042320
§ 371(c)(1), (2) Date Nov. 29, 2023,
PCT Pub. No. WO2022/264448, PCT Pub. Date Dec. 22, 2022.
Claims priority of application No. 2021-099724 (JP), filed on Jun. 15, 2021.
Prior Publication US 2024/0278739 A1, Aug. 22, 2024
Int. Cl. B60R 16/02 (2006.01); B29C 44/12 (2006.01); B29C 44/58 (2006.01); B29K 75/00 (2006.01); B29L 31/00 (2006.01); B60N 2/70 (2006.01)
CPC B60R 16/0215 (2013.01) [B29C 44/12 (2013.01); B29C 44/583 (2013.01); B60N 2/7017 (2013.01); B29K 2075/00 (2013.01); B29L 2031/771 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A seat pad comprising:
a surface portion configured of a polyurethane foam,
wherein
in the surface portion, a wiring groove for wiring a wire harness is formed, and
the wiring groove has a groove width narrower than a diameter of the wire harness, and a groove depth deeper than the diameter of the wire harness,
on a side surface of the wiring groove, projections that project inward in a groove width direction are formed in such positions that the wire harness embedded in the wiring groove can be disposed between the projections and a groove bottom of the wiring groove, and
the projections are formed on both side surfaces of the wiring groove, each of the projections being divided into a side of one of the side surfaces and a side of the other by forcibly pulling in the vicinity of the center of the wiring groove in the groove width direction.