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    • 5. 发明申请
    • Pneumatic tire
    • 气动轮胎
    • US20060169377A1
    • 2006-08-03
    • US10569552
    • 2004-09-29
    • Yoshimasa HashimotoIsamu Kishizoe
    • Yoshimasa HashimotoIsamu Kishizoe
    • B60C11/12
    • B60C11/12B60C11/1218B60C11/125B60C2011/1213Y10S152/03Y10S152/902
    • Disclosed is a pneumatic tire which is allowed to increase block stiffness not only during braking and driving but also during cornering, and is allowed thereby to compatibly enhance tire performances both during braking and driving and during cornering. The pneumatic tire of the present invention is one where a plurality of longitudinal grooves extending in a tire circumferential direction and a plurality of lateral grooves extending in a tire widthwise direction are provided in a tread portion, a plurality of blocks are defined by these longitudinal and lateral grooves, and a plurality of sipes extending in the tire widthwise direction are provided to each of the blocks, wherein, with regard to each of the sipes, a zigzag shape is formed on a tread surface, bent portions ranging in the tire widthwise direction while bent in the tire circumferential direction are formed inside the block at at least two positions in the tire radial direction, and a zigzag shape with an amplitude in the tire radial direction is formed in each of the bent portions.
    • 公开了一种充气轮胎,其不仅在制动和驾驶期间而且在转弯期间都增加了块刚度,并且因此允许在制动和驾驶期间以及在转弯期间兼容地增强轮胎性能。 本发明的充气轮胎是在轮胎周向上延伸的多个纵向槽和沿轮胎宽度方向延伸的多个横向槽设置在胎面部中的多个块,其中,多个块由这些纵向和 横向凹槽和沿轮胎宽度方向延伸的多个刀槽花纹设置在每个花纹块上,其中,对于每个刀槽花纹,在胎面上形成锯齿形状,在轮胎宽度方向上的弯曲部分 在轮胎径向的至少两个位置处,在块内部形成有在轮胎周向上弯曲的弯曲状态,并且在每个弯曲部分中形成具有轮胎径向振幅的锯齿形。
    • 6. 发明授权
    • Pneumatic tire with tread including sipes having bent portions formed with zigzag shape with amplitude in radial direction
    • 具有胎面的气动轮胎包括具有弯曲部分的刀槽花纹,其弯曲部分形成为具有径向振幅的锯齿形
    • US07637295B2
    • 2009-12-29
    • US10569552
    • 2004-09-29
    • Yoshimasa HashimotoIsamu Kishizoe
    • Yoshimasa HashimotoIsamu Kishizoe
    • B60C11/12
    • B60C11/12B60C11/1218B60C11/125B60C2011/1213Y10S152/03Y10S152/902
    • Disclosed is a pneumatic tire which is allowed to increase block stiffness not only during braking and driving but also during cornering, and is allowed thereby to compatibly enhance tire performances both during braking and driving and during cornering. The pneumatic tire of the present invention is one where a plurality of longitudinal grooves extending in a tire circumferential direction and a plurality of lateral grooves extending in a tire widthwise direction are provided in a tread portion, a plurality of blocks are defined by these longitudinal and lateral grooves, and a plurality of sipes extending in the tire widthwise direction are provided to each of the blocks, wherein, with regard to each of the sipes, a zigzag shape is formed on a tread surface, bent portions ranging in the tire widthwise direction while bent in the tire circumferential direction are formed inside the block at at least two positions in the tire radial direction, and a zigzag shape with an amplitude in the tire radial direction is formed in each of the bent portions.
    • 公开了一种充气轮胎,其不仅在制动和驾驶期间而且在转弯期间都增加了块刚度,并且因此允许在制动和驾驶期间以及在转弯期间兼容地增强轮胎性能。 本发明的充气轮胎是在轮胎周向延伸的多个纵向槽和沿轮胎宽度方向延伸的多个横向槽设置在胎面部中的多个块,其中,多个块由这些纵向和 横向凹槽和沿轮胎宽度方向延伸的多个刀槽花纹设置在每个花纹块上,其中,对于每个刀槽花纹,在胎面上形成锯齿形状,在轮胎宽度方向上的弯曲部分 在轮胎径向的至少两个位置处,在块内部形成有在轮胎周向上弯曲的弯曲状态,并且在每个弯曲部分中形成具有轮胎径向振幅的锯齿形。
    • 9. 发明授权
    • Pneumatic radial tire
    • 气动子午线轮胎
    • US5954107A
    • 1999-09-21
    • US822610
    • 1997-03-19
    • Tetsuya KuzeYoshimasa HashimotoToshihiko SuzukiSadakazu TakeiIzumi KuramochiHiroshi Tokizaki
    • Tetsuya KuzeYoshimasa HashimotoToshihiko SuzukiSadakazu TakeiIzumi KuramochiHiroshi Tokizaki
    • B60C11/03B60C11/04B60C11/113B60C115/00
    • B60C11/0332B60C11/0302B60C11/0306B60C2011/0374
    • 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..
    • 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