发明授权
- 专利标题: PNEUMATIC TIRE
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申请号: EP12754996.2申请日: 2012-02-27
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公开(公告)号: EP2682286B1公开(公告)日: 2018-01-17
- 发明人: ONO, Yasuaki
- 申请人: Bridgestone Corporation
- 申请人地址: 10-1, Kyobashi 1-chome, Chuo-ku Tokyo 104-8340 JP
- 专利权人: Bridgestone Corporation
- 当前专利权人: Bridgestone Corporation
- 当前专利权人地址: 10-1, Kyobashi 1-chome, Chuo-ku Tokyo 104-8340 JP
- 代理机构: Oxley, Robin John George
- 优先权: JP2011048133 20110304
- 国际公布: WO2012120826 20120913
- 主分类号: B60C15/00
- IPC分类号: B60C15/00 ; B60C3/06 ; B60C11/04 ; B60C11/03 ; B60C9/17 ; B60C15/02 ; B60C9/02 ; B60C15/06
摘要:
The present invention provides a pneumatic tire 1, comprising: a carcass ply including a main body portion 11a extending across respective bead cores 9 and turn-up portions 11b each turned up around the bead cores 9 from the main body portion 11a; a bead filler 13; and a side rubber 5a, wherein: a tip portion on the outer side in the tire radial direction of the outer end 13a of the bead filler 13, of each of the turned-up portions 11b, extends to a position of at least 5 mm distance from the outer end 13a of the bead filler with maintaining distance of 1 mm or less between the main body portion 11a and itself; a turn-up end 11c is disposed on the inner side in the tire widthwise direction than a neutral axis of bending of a bead portion 7 and a corresponding sidewall portion 5 and at 10%-40% height of a tire cross sectional height SH of the tire; and the side rubber 5a, disposed on the outer side in the tire widthwise direction of the main body portion 11a and each turn-up portion 11b, covers the turn-up end 11c and constitutes a part of an outer surface of the tire.
公开/授权文献
- EP2682286A1 PNEUMATIC TIRE 公开/授权日:2014-01-08
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