Tread for pneumatic tire
US4351381A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1980 |
| Grant date | Sep 28, 1982 |
| Priority date | — |
| Expiry date | Nov 12, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S152/03
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tread capable of being used in all seasons and weather conditions comprising of a substantially centrally located rib which extends circumferentially about the tire, a plurality of independent projections placed about the remaining portion of the tire. The independent projections are placed so as to provide for two circumferentially extending grooves, one on either side of the central rib and a plurality of laterally extending grooves which extend from each central groove to the tread edge of the tire. The tread has a low net to gross ratio.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.