Pneumatic tire tread having sipe that devolves into groove as tread wears
US7793692B2 · kind B2 · utility
12Cited by
12References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2005 |
| Grant date | Sep 14, 2010 |
| Priority date | — |
| Expiry date | Jun 14, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S152/03
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A pneumatic tire tread has tread elements formed by circumferential and/or lateral grooves. At least one tread element has a sipe that devolves from a constant width sipe having a three dimensional aspect in at least a portion of the radially outer portion of the sipe to a wider width groove at the base of the tread feature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.