Tire having tread sub-layer flush with the groove bottom and reinforcing elements made of high modulus rubber integrated into the tread
US11752802B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2018 |
| Grant date | Sep 12, 2023 |
| Priority date | — |
| Expiry date | Jul 16, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60C2011/0025
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tire having an axis of rotation and a median plane (CP) perpendicular to the axis of rotation, and comprising: a crown reinforcement, a tread positioned radially on the outside of the crown reinforcement and axially between two shoulders, comprising a contact face intended to come into contact with the roadway while the tire is being driven on, wherein the tread is primarily made up of at least one rubber compound of given dynamic shear modulus M and comprises a plurality of furrows oriented substantially circumferentially, each furrow having a furrow bottom, and a sub-layer disposed radially on the outside of the crown reinforcement and radially on the inside of the tread, wherein the sub-layer is made up of at least one rubber compound of given dynamic shear modulus A is flush with each furrow bottom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.