Foam material body for a mattress, and element of furniture provided with same
US4397053A · kind A · utility
37Cited by
5References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 19, 1980 |
| Grant date | Aug 9, 1983 |
| Priority date | — |
| Expiry date | Sep 19, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C27/144
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A foam material body for a mattress has a core member having two supporting surfaces and provided with a plurality of recesses in each of said surfaces, wherein each of the recesses has an initial recess portion which is open at a respective one of the supporting surfaces, two deeper recess portions extending from the initial portion inwardly from the same and away from one another, and two narrow recess portions each connecting the initial recess portion with a respective one of the deeper recess portions. Each of the recesses has a depth which is smaller than half the thickness of the core member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.