Pneumatic tire
US9393840B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 11, 2012 |
| Grant date | Jul 19, 2016 |
| Priority date | — |
| Expiry date | Oct 28, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60C2200/06
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A pneumatic tire with good fuel efficiency, drainage performance and uneven wear resistance is provided. A pneumatic tire has a tread surface provided with circumferential main grooves to define a center region and two side regions. The center region is provided with a first circumferential narrow groove and second circumferential narrow grooves located between the first circumferential narrow groove and the circumferential main grooves; and center rib-like land portions including first center rib-like land portions defined by the first circumferential narrow groove and the second circumferential narrow grooves, and second center rib-like land portions defined by the second circumferential narrow grooves and the circumferential main grooves. The center rib-like land portions located next to each other with the center circumferential narrow grooves being therebetween are adapted to supportingly contact with each other. The second circumferential narrow groove has a width larger than that of the first circumferential narrow groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.