Pneumatic tire
US9168788B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 30, 2010 |
| Grant date | Oct 27, 2015 |
| Priority date | — |
| Expiry date | Jan 15, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T152/1081
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Proposed is a pneumatic tire having excellent durability, handling stability and uneven wear resistance even if weight reduction is achieved by improving a belt.The pneumatic tire according to the present invention having a carcass layer 5 toroidally extending from a tread portion 3 through a side wall portion 2 to a bead portion 1, and a belt layer 6 disposed at the outer side of the carcass layer 5 in the tire radial direction, in which the carcass layer 5 includes one or more carcass plies 5a, the belt layer 6 includes a first belt 7 having a first cord 7a inclined with respect to a tire equator S at an angle in the range of 15° to 75° and a second belt 8 having a second cord 8a extending in parallel to the tire equator S, said first belt 7 having a tensile strength smaller than that of the second belt 8.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.