Ectrudable cement core thermoplastic composite
US6358585B1 · kind B1 · utility
53Cited by
14References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 14, 1997 |
| Grant date | Mar 19, 2002 |
| Priority date | — |
| Expiry date | May 14, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31935
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A panel for use in siding is disclosed. The panel has a cement core in a shape defining the panel of the siding, and a plastic film layer attached to the cement core. The plastic film layer is either a polymer or a copolymer of vinyl chloride. The panel may also have an adhesive layer which adheres the plastic film layer to the cement core. The cement core may contain fiber reinforcement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.