Method of producing skin-covered foamed plastic article
US4959184A · kind A · utility
25Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 20, 1988 |
| Grant date | Sep 25, 1990 |
| Priority date | — |
| Expiry date | Oct 20, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/751
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of producing a skin-covered foamed plastic article, which includes preparing a lower mold which has a cavity formed therein; putting a bag-shaped outer skin member into the cavity, the skin member having a porous inner layer; pouring a foamable material for the foamed plastic article into the bag-shaped outer skin member; and controlling a pressure in the cavity in such a manner that the inner layer becomes saturated to a predetermined degree during curing of the material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.