Pneumatic tire
US4667722A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1985 |
| Grant date | May 26, 1987 |
| Priority date | — |
| Expiry date | Nov 7, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T152/10837
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A radial tire having a carcass ply (17) with an inside-to-outside turn-up portion (19) around each bead (13). In each bead portion (11) there is included a reinforcing ply 22 having portions (22A,22B) on each axial side of the bead (13). The axially outer portion (22A) adjacent each turn-up portion (19), and optionally the turn-up itself, extends radially outwardly of the bead (13), and the axially inner portion (22B) extends radially outwardly to terminate at a point (S) located on a line (Q--Q) which is substantially perpendicular to the carcass ply (17) and passing through the radially outermost end (R) of axially outer portion (22A), or the radially outermost end (U) of the carcass ply turn-up (19).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.