Polyurethane foam product and process of manufacture thereof from thermosetting frothed mixture
US4216177A · kind A · utility
42Cited by
15References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 16, 1979 |
| Grant date | Aug 5, 1980 |
| Priority date | — |
| Expiry date | May 16, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2007/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process is presented for forming flexible foam, polyurethane foam material having an integral skin, and polyurethane foam laminates, from a thermosetting frothed mixture, particularly a mechanically frothed mixture. Also presented is a flexible polyurethane foam material having an integral skin, and polyurethane foam laminates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.