Stabilizing foam inserts for resin transfer molding
US5061542A · kind A · utility
35Cited by
8References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 28, 1989 |
| Grant date | Oct 29, 1991 |
| Priority date | — |
| Expiry date | Aug 28, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24331
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A preform assembly for use with a resin transfer molding apparatus. The preform assembly includes a dry fabric preform and a thin high density foam insert, the preform being folded about and firmly fastened to said insert to form a preform assembly having a stiffened and stabilized preform edge, wherein the edge aids in the insertion of the preform assembly into a mold cavity or channel of the resin transfer mold apparatus. Methods for making such preform assembly and composite article are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.