发明授权
- 专利标题: Pneumatic tire profile
- 专利标题(中): 气动轮胎型材
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申请号: US341218申请日: 1989-04-21
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公开(公告)号: US4976300A公开(公告)日: 1990-12-11
- 发明人: Kenji Takehara , Kenji Saitou
- 申请人: Kenji Takehara , Kenji Saitou
- 申请人地址: JPX Hyogo
- 专利权人: Sumitomo Rubber Industries, Ltd.
- 当前专利权人: Sumitomo Rubber Industries, Ltd.
- 当前专利权人地址: JPX Hyogo
- 优先权: JPX63-101010 19880422; JPX63-115393 19880511
- 主分类号: B60C3/04
- IPC分类号: B60C3/04 ; B60C11/00
摘要:
A pneumatic tire in which various tire performances, such as wear resistance, uneven wear resistance, fuel economy and the like are all improved in a good balance is disclosed, whereina first point gap LA defined as the radial distance between a standard first point An on the tire equator on the tread face Tn when the tire is inflated to a standard internal pressure and a 10% first point As on the tire equator on the tread face Ts when the tire is inflated to 10% of said standard internal pressure is smaller than 1.0 mm,a third point gap LC defined as the radial distance between a standard third point Cn on said trade face Tn spaced apart 0.45 times of the tread width TWn from said standard first point An and a 10% third point Cs defined as the intersection of the radial line passing through said standard third point Cn with said tread face Ts is 1.0 mm or larger and smaller than 4.0 mm, andthe ratio LC/LA of said third point gap LC to said first point gap LA is 4.0 or larger.
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