Pneumatic tire crown reinforcement
US7299843B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2003 |
| Grant date | Nov 27, 2007 |
| Priority date | — |
| Expiry date | Nov 19, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T152/10765
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tire comprising a crown extended by two respective sidewalls and two respective beads, a carcass structure anchored in each side of the tire in said beads, said crown comprising at least one reinforcing ply having parallel reinforcements oriented at an angle α relative to the circumferential direction ranging between 10 and 45 degrees, a first crown reinforcement having cords substantially oriented in the circumferential direction and being high elastic modulus at high stress organic fiber cords, and a second crown reinforcement having cords substantially oriented in the circumferential direction and having a ratio τ of the tensile strength at high strain and high temperature to the tensile strength at low strain and moderate temperatures inferior to 1.5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.