发明名称 |
Pneumatic tire for passenger cars having specified harshness factor |
摘要 |
A pneumatic tire for passenger cars which is improved in harshness noise without deteriorating the steering stability is disclosed, wherein a harshness factor HF is set in the range of from 3.2 to 3.5, the harshness factor HF is:R1 is a radius of curvature (in mm) of a crown part of the tread profile, R2 is a radius of curvature (in mm) of shoulder parts of the tread profile, and Kv is the vertical spring constant in kN/mm of the tire.
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申请公布号 |
US6167932(B1) |
申请公布日期 |
2001.01.02 |
申请号 |
US19980185749 |
申请日期 |
1998.11.04 |
申请人 |
SUMITOMO RUBBER INDUSTRIES, LTD. |
发明人 |
YAMAMOTO AKIO;IDEI MITSUSHIGE;TAGASHIRA KENJI;YAMASHITA FUMIKAZU |
分类号 |
B60C3/00;B60C11/00;B60C11/01;(IPC1-7):B60C11/00;B60C5/00 |
主分类号 |
B60C3/00 |
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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