发明名称 |
Method of determining tread pattern |
摘要 |
A method of determining a tread pattern for a pneumatic tire, the method including the steps of defining a first unit as including at least one pitch which is not less than a standard long pitch (PLa) and at least one pitch which is not more than a standard short pitch (PSa); defining a second unit as including at least one pitch within one of a first range of not less than the standard long pitch (PLa) and a second range of not more than the standard short pitch (PSa) but not including a pitch within the other range; defining a third unit as all the pitches therein are more than the standard short pitch (PSa) and less than the standard long pitch (PLa); selecting a number of the first units, second units and third units from a total number of units (U); and determining a tread pattern composed of a series of units based on the selected first units, second units and third units.
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申请公布号 |
US6409861(B1) |
申请公布日期 |
2002.06.25 |
申请号 |
US20000533111 |
申请日期 |
2000.03.22 |
申请人 |
SUMITOMO RUBBER INDUSTRIES, LTD. |
发明人 |
YUKAWA NAOKI |
分类号 |
B60C11/03;B60C11/00;B60C11/11;(IPC1-7):B29D30/00;B60C113/00 |
主分类号 |
B60C11/03 |
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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