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    • 31. 发明申请
    • PNEUMATIC TIRE
    • 气动轮胎
    • WO1997015464A1
    • 1997-05-01
    • PCT/JP1996003102
    • 1996-10-24
    • THE YOKOHAMA RUBBER CO., LTD.SHIRAI, KenichiKIKUCHI, TeruhikoSUZUKI, Toshihiko
    • THE YOKOHAMA RUBBER CO., LTD.
    • B60C11/03
    • B60C11/0318
    • A pneumatic tire having a number of blocks (5) defined on a tread surface (1) by at least one circumferential groove (2) extending in a circumferential direction of the tire and lateral grooves (4) extending in a width direction of the tire at predetermined pitches in the circumferential direction of the tire. The pitches between the lateral grooves (4) have more than five different lengths and the ratio Pa/Pe of a longest pitch Pa to a shortest pitch Pe of the five pitches is set at 1.5-1.8. The pitch length ratio (a longer pitch length/a shorter pitch length) of a longer pitch to a shorter pitch that are adjacent to each other is 1.4 or less, respectively, and the average value X of the total obtained by adding those ratios (a longer pitch length/a shorter pitch length) along the full circumference of the tire is set to be 1.1
    • 一种充气轮胎,其具有通过在轮胎的周向上延伸的至少一个周向槽(2)限定在胎面(1)上的块(5),并且在轮胎的宽度方向上延伸的横向槽(4) 在轮胎的圆周方向上以预定间距。 横向槽(4)之间的间距具有多于五个不同的长度,并且五个间距的最长节距Pa与最短节距Pe之比Pa / Pe被设定为1.5-1.8。 彼此相邻的较长间距与较短间距的节距长度比(较长节距长度/短节距长度)分别为1.4以下,通过将这些比例( 沿着轮胎的整个圆周的较长的节距长度/较短的节距长度)被设定为1.1≤X≤1-3。