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    Pneumatic tire with tread having wave shaped circumferential groove
    48.
    发明授权
    Pneumatic tire with tread having wave shaped circumferential groove 有权
    具胎面的气动轮胎具有波浪形圆周槽

    公开(公告)号：US08770241B2

    公开(公告)日：2014-07-08

    申请号：US13118706

    申请日：2011-05-31

    申请人： Masahiro Ebiko ,  Kenichiro Endo ,  Takumi Morito ,  Hiroshi Tokizaki ,  Hiroyuki Kojima ,  Kensuke Saitou

    发明人： Masahiro Ebiko ,  Kenichiro Endo ,  Takumi Morito ,  Hiroshi Tokizaki ,  Hiroyuki Kojima ,  Kensuke Saitou

    IPC分类号： B60C11/04 ,  B60C11/13 ,  B60C11/03 ,  B60C13/00

    CPC分类号： B60C11/1392 ,  B60C11/0304 ,  B60C11/0309 ,  B60C11/042 ,  B60C11/13 ,  B60C11/1315 ,  B60C13/001 ,  B60C2011/0346 ,  B60C2011/0381 ,  B60C2011/0383 ,  B60C2011/133 ,  Y10S152/90

    摘要： A pneumatic tire includes a plurality of circumferential grooves and a first land portion. The circumferential grooves extend continuously in a tire circumferential direction. The first land portion extends in the tire circumferential direction between a pattern end and one of the circumferential grooves in a shoulder region located outside the circumferential grooves in a tire width direction. The first land portion has first lug grooves extending from the pattern end in the tire width direction and closed without communicating with the circumferential grooves are arranged in the tire circumferential direction. At least one circumferential groove is wave-shaped with a constant groove width in the tire width direction at a tread surface and formed in a wave shape in the circumferential direction at the tread surface and groove bottom. The wave-shaped circumferential groove has a shorter cycle length of waves at the groove bottom than at the tread surface.

    摘要翻译： 一种充气轮胎包括多个周向槽和第一陆部。 周向槽沿轮胎周向连续延伸。 第一接地部沿着轮胎周向在轮胎宽度方向上位于周向槽外侧的肩部区域中的图案端与周向槽中的一个之间延伸。 第一接地部沿着轮胎周向布置有从轮胎宽度方向上的图案端延伸并且不与周向槽连通的第一横向花纹沟。 至少一个周向槽是在轮胎宽度方向上在轮胎宽度方向上具有恒定的槽宽度的波浪形状，并且在胎面和槽底部处沿圆周方向形成波形。 波形周向沟槽在槽底处的波浪周期长于在胎面表面。