| 发明名称 |
Pneumatic tyre and its manufacturing method |
| 摘要 |
<p>A carcass has at least one endless carcass cord ply (11), which is formed by at least one carcass cord (10) extending zigzag in the tyre's circumferential direction while being folded at both outer edges (E1,E2) of the endless carcass cord ply (11) alternately to right and left. The bead core (5) has an upper bead core portion (5A) which is formed by a bead cord (15) being substantially continuous to the carcass cord (10) and spirally wound on the endless carcass cord ply (11) in one or more stages in the tyre's circumferential direction. <IMAGE></p> |
| 申请公布号 |
EP0778161(B1) |
申请公布日期 |
1999.10.20 |
| 申请号 |
EP19960308815 |
申请日期 |
1996.12.05 |
| 申请人 |
SUMITOMO RUBBER INDUSTRIES LIMITED |
发明人 |
UEYOKO, KIYOSHI |
| 分类号 |
B29D30/34;B29D30/48;B60C9/02;B60C15/00;(IPC1-7):B60C9/02 |
主分类号 |
B29D30/34 |
| 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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