Tire tread and a tire comprising a tread
US11427032B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 13, 2020 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Dec 10, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60C2011/0341
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a tire tread comprising a tread cap comprising at least one tread cap rubber compound, at least three circumferential grooves, wherein at least portions of the sidewalls and the bottom of each of said grooves are formed by a circumferential groove reinforcement, and wherein a first groove reinforcement of a groove laterally next to the equatorial plane of the tire comprises a first reinforcement rubber compound which has a higher hardness than the tread cap rubber compound, and wherein a second groove reinforcement of a groove with a larger lateral distance to the equatorial plane of the tire than the first groove, comprises a second reinforcement rubber compound which has a higher hardness than the tread cap rubber compound and a lower hardness than the second reinforcement rubber compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.