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    • 3. 发明申请
    • Pneumatic tire
    • 气动轮胎
    • US20060060278A1
    • 2006-03-23
    • US11226309
    • 2005-09-15
    • Youji NoguchiAkira Yagi
    • Youji NoguchiAkira Yagi
    • B60C11/13B60C11/03
    • B60C19/001B60C11/0302B60C11/0332B60C11/13Y10S152/904
    • A pneumatic tire suitable for competitive sports has a specified tread pattern comprising a central region and both shoulder regions, in which a plurality of bell-shaped wide-width main grooves each extended substantially bell-shapedly into both sides approximately centering on an equator of the tire are disposed in the tread at a given interval in the circumferential direction of the tire wherein the bell-shaped wide-width main groove has specified inclination angles in the central region and the shoulder region and specified groove width and groove depth, and a width of a connecting land portion at a position coming the bells-shaped wide-width main grooves closest to each other is not less than 1.5 mm, and the tire has a given negative ratio at the central region.
    • 适用于竞技运动的充气轮胎具有指定的胎面花纹,其包括中央区域和两个肩部区域,其中多个钟形宽幅主槽各自基本上钟形地延伸到两侧,大致以 轮胎以轮胎周向给定的间隔设置在胎面上,其中钟形宽幅主槽在中心区域和肩部区域具有规定的倾斜角度,并且具有规定的槽宽度和槽深度,宽度 在距离彼此最接近的钟形宽幅主槽的位置处的连接平台部分不小于1.5mm,并且轮胎在中心区域具有给定的负比率。