Pneumatic tire tread pattern
US4823855A · kind A · utility
33Cited by
14References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 23, 1987 |
| Grant date | Apr 25, 1989 |
| Priority date | — |
| Expiry date | Nov 23, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60C11/0302
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A pneumatic tire (10) has a preferred cross-sectional shape which acts in concert with a preferred tread structure to provide varying performance characteristics under varying operating conditions. The tread (11) has a directional tread pattern, with the net-to-gross ratio being higher in a central portion (CP) of the tread than in the laterally outer portions (OP.sub.1, OP.sub.2). The stiffness of the block elements (64,65,66,67,68,69,70,71) of the tread also varies across the width of the tread.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.