Pneumatic tire
US9649887B2 · kind B2 · utility
1Cited by
4References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 28, 2014 |
| Grant date | May 16, 2017 |
| Priority date | — |
| Expiry date | Jan 28, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/86
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A pneumatic tire is provided where, in a tread center portion, there are at least three pitch variations in terms of pitch length in the circumferential direction of the tire, and, taking n as the pitch count, the pitch lengths Pc Pc1, Pc2, Pc3, . . . , Pcn in order from longest to shortest satisfy the relationships Pc1/Pc2≧Pc2/Pc3≧, . . . , ≧Pcn−1/Pcn and Pc1/Pc2>Pcn−1/Pcn.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.