Bonded inorganic and fibrous material building product
US4117185A · kind A · utility
7Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 1976 |
| Grant date | Sep 26, 1978 |
| Priority date | — |
| Expiry date | Nov 4, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/8305
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A building product comprises a mineral filler and glass fiber bonded together by a polyester resin. A film or layer of a weather resistant fluoroplastic material is attached to a face of the building product by pressing the film or layer into contact with the face during curing of the resin in a mold. A method of manufacturing a building product as above is also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.