Process for molding cushion articles
US4542887A · kind A · utility
20Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 1984 |
| Grant date | Sep 24, 1985 |
| Priority date | — |
| Expiry date | Feb 23, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/812
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A cushion article, such as a seat cushion or the like, for snapping in place onto an appropriate seat support without additional attaching means. The seat cushion has a foam body with a snap-ring member molded integral with a peripheral portion of the body, the snap-ring member providing means for snapping the seat cushion over the seat support. A process and a mold assembly are disclosed for molding the seat cushion, utilizing the snap-ring member as an integral part of the process and mold assembly to evacuate entrapped air from the mold cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.