Shingle with reinforcement nail zone and method of manufacturing
US9121178B2 · kind B2 · utility
47Cited by
100References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 2014 |
| Grant date | Sep 1, 2015 |
| Priority date | — |
| Expiry date | May 2, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24752
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A roofing shingle is provided. The roofing shingles includes an overlay sheet including a headlap portion and a tab portion and an underlay sheet secured to the overlay sheet such that a region of the underlay sheet overlaps a region of the headlap portion of the overlay sheet. A reinforcement material is secured to the headlap portion of the overlay sheet. The reinforcement material is configured to improve nail pull-through. The reinforcement material extends beyond the overlapping regions of the headlap portion and the underlay sheet a distance of about 0.12 inches or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.