Seat pad and seat pad manufacturing method
US11801782B2 · kind B2 · utility
0Cited by
11References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2019 |
| Grant date | Oct 31, 2023 |
| Priority date | — |
| Expiry date | Oct 4, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/771
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A seat pad 1 is a seat pad including a resin foamed body 50, and a sheet member 70 buried in the resin foamed body, and when a direction orthogonal to a right-left direction and a thickness direction of the seat pad is referred to as an extending direction of the seat pad, at least a central part of the sheet member is curved in a convex shape on a back surface side of the seat pad in the extending direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.