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一种轮胎,其具有带有厚度降低区域的刀槽花纹。刀槽花纹的侧壁可以具有在轮胎的径向方向和横向方向两个方向上延伸的波动部,并且厚度降低区域存在于波动部的顶点与顶点重合部或槽谷与槽谷重合部之间。在轮胎的径向方向上的波动部的振幅的值的两倍大于波动部的半节距的值的95%。刀槽花纹的厚度降低区域的面积与刀槽花纹的较厚区域的面积的比值可以符合最小阈
A tire having a sipe with a reduced thickness region. The side wall of the sipe may have undulations extending both in the radial direction and in the lateral direction of the tire and the reduced thickness region exists between the apex and the apex coincidence or the valley and the valley coincidence of the undulations . Twice the value of the amplitude of the undulation in the radial direction of the tire is greater than 95% of the value of the half-pitch of the undulation. The ratio of the area of the sipe reduced thickness area to the sipe of the thickened area can meet the minimum threshold