Tire having tread with an internal softer transition rubber layer containing short fiber reinforcement
US8439095B2 · kind B2 · utility
3Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2010 |
| Grant date | May 14, 2013 |
| Priority date | — |
| Expiry date | Oct 4, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T152/10513
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a tire having a rubber tread comprised of a circumferential outer cap rubber layer which contains a tread running surface and an underlying undertread layer of softer rubber than said outer tread cap rubber layer wherein said undertread layer rubber composition contains short fiber reinforcement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.