Tire with a protective crown ply made of very high twist aramid fiber
US7032638B2 · kind B2 · utility
3Cited by
12References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2003 |
| Grant date | Apr 25, 2006 |
| Priority date | — |
| Expiry date | Apr 24, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T152/10765
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tire comprising a crown, two sidewalls and two beads, a casing reinforcement anchored in each of the beads and a crown reinforcement, the crown reinforcement comprising radially, from the inside outwards, a working block and a protective block having at least one ply of circumferentially oriented parallel reinforcing threads, characterized in that the protective block ply consists of aromatic polyamide reinforcing threads with an initial modulus of less than 1000 cN/tex and a tenacity of greater than 65 cN/tex.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.