Reinforced bead for a radial tire
US6491078B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 5, 2000 |
| Grant date | Dec 10, 2002 |
| Priority date | — |
| Expiry date | Dec 5, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1702
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tire for heavy loads and having beads intended to be mounted on flat rim seats or rim seats which are inclined at 5°, including at least one radial carcass ply formed of inextensible reinforcement elements and anchored in each bead to a bead wire to form an upturn, the end of which is located at a radial distance HRNC from the base of the bead. Each bead is reinforced by at least two additional reinforcement armatures, at least one first armature formed of at least one ply of radial textile reinforcement elements which is located axially to the outside of a second armature formed of at least one ply of inextensible elements forming an angle &agr; with the circumferential direction such that 0°≦&agr;≦45°.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.