Method of making a lineal structural member
US4681722A · kind A · utility
45Cited by
8References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 7, 1985 |
| Grant date | Jul 21, 1987 |
| Priority date | — |
| Expiry date | Oct 7, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/005
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Core material of shaped glass fiber board is impregnated with resin in outer surface portions, the resin is cured, an additional resin casing is formed therearound, and the additional resin is cured. Glass strands may be included with the resin impregnation, and a continuous strand mat, a veil mat, and glass rovings may be included with the resin encasing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.