Tire tread having groove with internal voids
US9744811B2 · kind B2 · utility
0Cited by
5References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 30, 2011 |
| Grant date | Aug 29, 2017 |
| Priority date | — |
| Expiry date | Jun 14, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60C2011/0369
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tire having a tread with a novel groove structure for enhanced wet and snow traction is provided. The groove includes an upper portion and a lower portion that can provide enhanced wet and snow traction over various stages of tread wear without unnecessary compromise to the tread rigidity. The lower portion includes one more voids for the accumulation and/or evacuation of fluids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.