Shingle with reinforced nail zone and method of manufacturing
US8240102B2 · kind B2 · utility
72Cited by
64References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2006 |
| Grant date | Aug 14, 2012 |
| Priority date | — |
| Expiry date | Nov 27, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24372
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A roofing shingle (74) includes an asphalt-coated sheet (18) having a tab portion (78) normally exposed on a roof and a headlap portion (76) normally covered-up on a roof. The headlap portion has a lower zone (76A) that extends longitudinally between a first end (74A) and a second end (74B) of the roofing shingle adjacent the tab portion, and an upper zone (76B) adjacent the lower zone. At least a portion of the asphalt-coated sheet has granules adhered thereto. A reinforcement member (19) is adhered to the lower zone of the headlap portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.