Tire with dual tread compound
US4381810A · kind A · utility
23Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 1981 |
| Grant date | May 3, 1983 |
| Priority date | — |
| Expiry date | May 22, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T152/10846
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tire which has an outer and an inner layer of compound in the non-skid portion of the tread thereof. The outer layer is composed of a lower rolling resistance compound than the inner layer is composed. The inner layer is composed of a compound which provides better traction than the compound of the outer layer provides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.