发明名称 |
Radial tire tread for truck or bus |
摘要 |
A radial tire for trucks or buses constructed to eliminate the drawback of shoulder wear and improve the its wet-grip performance and having a tread part, divided into at least five ribs with at least four circumferentially extending longitudinal grooves; auxiliary grooves interconnecting adjacent longitudinal grooves and dividing each of the ribs into separated blocks; and the depth of the auxiliary grooves gradually decreasing toward the shoulder part of the tire.
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申请公布号 |
US4732195(A) |
申请公布日期 |
1988.03.22 |
申请号 |
US19860864155 |
申请日期 |
1986.05.16 |
申请人 |
SUMITOMO RUBBER INDUSTRIES, LTD. |
发明人 |
TAKEUCHI, AKIHIRO |
分类号 |
B60C11/00;B60C11/04;B60C11/11;(IPC1-7):B60C11/04 |
主分类号 |
B60C11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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