Headrest with closed cell cushion and a covering having an auto formed surface film and overmoulded underlayer
US5165754A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 18, 1991 |
| Grant date | Nov 24, 1992 |
| Priority date | — |
| Expiry date | Sep 18, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S297/02
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The headrest for a seat backrest, especially of a motor vehicle consists inter alia, of a U-shaped frame (10) with an inner part (101) and an outer part (102), a cushion (20), for example annular, in which the inner part (101) of the frame (10) is housed and an outside covering (30) enclosing the cushion (20); it is characterised in that the cushion (20) is made of a closed-cell foam with a density of approximately between 20 g/l and 300 g/l and is obtained by moulding and in that the covering (30) has a surface film (31) and an underlayer (32), is made of a foam with a density of approximately between 100 g/l and 1000 g/l, on which (32) this surface film (31) is autoformed, and is obtained by overmoulding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.