Shingle with reinforced nail zone and method of manufacturing
US7836654B2 · kind B2 · utility
76Cited by
58References
43Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2005 |
| Grant date | Nov 23, 2010 |
| Priority date | — |
| Expiry date | Aug 5, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24372
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A roofing shingle includes an asphalt-coated sheet having a tab portion normally exposed on a roof and a headlap portion normally covered-up on a roof. The headlap portion has a lower zone that extends longitudinally between a first end and a second end of the roofing shingle adjacent the tab portion, and an upper zone adjacent the lower zone. At least a portion of the asphalt-coated sheet has granules adhered thereto. A reinforcement member is adhered to the lower zone of the headlap portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.