Pneumatic tire including zig-zag circumferential fine grooves
US6591880B1 · kind B1 · utility
6Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2000 |
| Grant date | Jul 15, 2003 |
| Priority date | — |
| Expiry date | Dec 29, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60C2011/1254
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A pneumatic tire comprises a pair of bead portions, a pair of sidewall portion, a tread portion, a radial carcass of at least one ply, and a belt, wherein the tread portion is provided with two or more circumferential main grooves formed in a tread rubber at an inner region sandwiched by both shoulder regions and one or more circumferential ribs defined by two adjoining circumferential main grooves, and at least two circumferential fine grooves are formed in the circumferential rib.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.