| 发明名称 |
ARRANGEMENT FOR STRENGTHENING HEAD SECTION OF HEAVYYDUTY PNEUMATIC RADIAL TYPE |
| 摘要 |
<p>PURPOSE:To improve durability at bead section of a heavy-duty pneumatic radial tyre to a great extent, by arranging the bead section to have a special rigidity balance.</p> |
| 申请公布号 |
JPS53121304(A) |
申请公布日期 |
1978.10.23 |
| 申请号 |
JP19770036478 |
申请日期 |
1977.03.31 |
| 申请人 |
BRIDGESTONE TIRE CO LTD |
发明人 |
MOTOMURA KENICHI;YAHAGI MASAHISA;SOGI NORIYUKI |
| 分类号 |
B60C15/00;B60C9/02;B60C15/06 |
主分类号 |
B60C15/00 |
| 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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