Tire with composite ply structure and envelope turnup
US8215356B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2007 |
| Grant date | Jul 10, 2012 |
| Priority date | — |
| Expiry date | May 4, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T152/10864
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A tire and method of building a tire is described wherein the tire has a carcass having a pair of sidewall plies and a bridge ply, each ply being reinforced with cords, the sidewall plies each having a first end which is received between the bridge ply and a belt reinforcing structure; wherein each sidewall ply extends axially outward along the sidewall and extending radially inwardly to the bead core and folded from a position axially outside the bead core to a position axially inside and around the bead core to an axially inner turnup end; said bridge ply having ends which overlap with a respective inner turnup end of said sidewall ply.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.