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    Pneumatic radial tire
    3.
    发明授权
    Pneumatic radial tire 失效
    气动子午线轮胎

    公开(公告)号：US5954107A

    公开(公告)日：1999-09-21

    申请号：US822610

    申请日：1997-03-19

    申请人： Tetsuya Kuze ,  Yoshimasa Hashimoto ,  Toshihiko Suzuki ,  Sadakazu Takei ,  Izumi Kuramochi ,  Hiroshi Tokizaki

    发明人： Tetsuya Kuze ,  Yoshimasa Hashimoto ,  Toshihiko Suzuki ,  Sadakazu Takei ,  Izumi Kuramochi ,  Hiroshi Tokizaki

    IPC分类号： B60C11/03 ,  B60C11/04 ,  B60C11/113 ,  B60C115/00

    CPC分类号： B60C11/0332 ,  B60C11/0302 ,  B60C11/0306 ,  B60C2011/0374

    摘要： A pneumatic radial tire has a tread pattern having a pair of straight main grooves each having a width equal to 8-13 percent of a ground contact width W of the tire and extending in parallel on opposite sides of an equator of the tire, a plurality of lug grooves extending across shoulder regions formed on the outersides of the pair of main grooves from the pair of main grooves outwardly toward the ends of the ground contact surface of the tire to form in cooperation with the main grooves successive rows of blocks, and a plurality of V-shaped sub-grooves in the shoulder regions spaced at a predetermined pitch apart in the circumferential direction of the tire and extending divergently with respect to the direction of reverse rotation of the tire, wherein the ratio of a distance W1 between respective centers of the main grooves to the ground contact width W is in the range of 0.2.ltoreq.W1/W.ltoreq.0.4; an angle .alpha. of inclination of the lug grooves with respect to the circumferential direction of the tire as viewed from the reverse tire rotating direction is in the range of 90.degree.-130.degree.; and an angle .beta. defined by the V-shaped sub-grooves is in the range of 15.degree.-35.degree..

    摘要翻译： 充气子午线轮胎具有胎面花纹，其具有一对直的主槽，其宽度等于轮胎的接地宽度W的8-13％，并且在轮胎的赤道的相对侧平行延伸，多个 所述横向槽从所述一对主槽的外侧延伸跨越形成在所述一对主槽的外侧上的肩部区域向外朝向所述轮胎的接地接触表面的端部，以与所述主凹槽相配合地形成连续排的块，以及 在胎肩区域中的多个V形副槽沿着轮胎的圆周方向以预定的间距间隔开并且相对于轮胎的反向旋转方向分散地延伸，其中，各个中心之间的距离W1的比率 主槽的接地宽度W在0.2