发明名称 |
Process for the manufacture of pneumatic radial tires with initial formation of a central annular groove in the belt-tread band |
摘要 |
In the manufacture of pneumatic radial tires each having an annular groove in its central portion, a green tire is formed from a belt-tread band having a constricted portion formed by concavely depressing a belt and a tread inward in a radial direction of the tire.
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申请公布号 |
US5425828(A) |
申请公布日期 |
1995.06.20 |
申请号 |
US19930161344 |
申请日期 |
1993.12.06 |
申请人 |
BRIDGESTONE CORPORATION |
发明人 |
IMAI, HIROSHI;FUKUSHIMA, HIRONOBU;MATSUNAGA, HIROO |
分类号 |
B29D30/08;B29D30/24;B29D30/30;B29D30/70;(IPC1-7):B29D30/44 |
主分类号 |
B29D30/08 |
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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