Exterior building material having a hollow thin wall profile and an embossed low gloss surface
US8955281B2 · kind B2 · utility
21Cited by
96References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2010 |
| Grant date | Feb 17, 2015 |
| Priority date | — |
| Expiry date | Jul 25, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/60
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A building product which includes a hollow extrudate, unitary reinforcing ribs resisting collapse of the hollow extrudate and, in an embodiment, an exterior surface comprises a low gloss, textured pattern having a gloss level of less than about 50 on a 60° glossmeter, in which the textured pattern extends for about 2-20 feet. Methods and an apparatus for manufacturing such products are also provided by this invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.