Shingle with transition device for impact resistance
US9010058B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 15, 2013 |
| Grant date | Apr 21, 2015 |
| Priority date | — |
| Expiry date | Aug 15, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D2001/005
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An impact resistant shingle is provided which includes an asphalt-coated substrate having a first surface and a second surface, the first surface having a headlap portion and an exposure portion. The headlap portion comprises a transition zone disposed at an edge region of the substrate distal to the exposure portion. The first surface of the substrate exclusive of the transition zone comprises granules, wherein the shingle has a smaller thickness dimension at the transition zone than a thickness dimension of a remaining area of the shingle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.