Tire with a tread having reinforced sectors and self-maintaining recesses
US10967679B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2016 |
| Grant date | Apr 6, 2021 |
| Priority date | — |
| Expiry date | Oct 11, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60C2011/133
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tire is provided with a tread that includes first and second sectors and grooves. The second sectors are formed of a rigid reinforcing compound. Each of the first and second sectors has a contact face intended to contact a road surface when the tire is in use. Each groove includes sidewalls and a bottom, and extends from an end of an adjacent contact face. A depth P of each groove is measured in a radial direction between its bottom and a position corresponding to a radial height of the adjacent contact face. At least one of the second sectors has a contact face that includes a recess having a depth p of less than 2 mm, as measured in a radial direction from a surface of the recess to a position corresponding to a radial height of an adjacent first sector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.