Ply path controlled by precured apex
US6298893A · kind A · utility
4Cited by
25References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 27, 1999 |
| Grant date | Oct 9, 2001 |
| Priority date | — |
| Expiry date | Aug 27, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T152/10855
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tire (10) having a contoured precured bead filler or apex (40) with a contoured surface for directing the ply path (24A) of the cord reinforced carcass plies (24) is taught. The contour of the precured bead filler or apex (40) has a convex surface (42A) and concave surface (42B) that transition at an inflection location (T) at or below the rim flange (52) to which the tire (10) is to be mounted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.