Tire tread with sipes having tie bars
US7484542B2 · kind B2 · utility
2Cited by
6References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2005 |
| Grant date | Feb 3, 2009 |
| Priority date | — |
| Expiry date | Aug 4, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S152/03
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tire tread has at least three rows of tread elements, each tread element in the at rows has at least one sipe and at least one sipe in each tread element row has a tie bar therein. Each tie bar in the sipes has a volume, and the volume of the sipe tie bar in each tread element in each row is not more than 10% different than the volume of the sipe tie bar in each tread element in any other tread row. Several of the tread rows have transverse grooves having groove tie bars therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.