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    • 11. 发明申请
    • Pneumatic Tire
    • 气动轮胎
    • US20090266459A1
    • 2009-10-29
    • US12400964
    • 2009-03-10
    • Yoshiki Sato
    • Yoshiki Sato
    • B60C11/117B60C11/12
    • B60C11/1392B60C11/0306B60C11/0309B60C2011/1231Y02T10/862
    • An object of the present invention is to provide a pneumatic tire having low rolling resistance and higher resistance against irregular wear. To achieve the above object, a pneumatic tire includes a tread portion comprising a plurality of block arrays each of which is constituted of a plurality of blocks that are partitioned by a plurality of main grooves extending in a circumferential direction of the tire and a plurality of lateral grooves crossing the main grooves, wherein at least one of the block arrays is provided with a thin rib that continuously extends in the circumferential direction of the tire in a central area of the block array as viewed in a width direction of the tire and is partitioned by two sipes extending in the circumferential direction of the tire, the depth of the sipes extending in the circumferential direction of the tire is 0.7 times or less of the depth of the lateral grooves.
    • 本发明的目的在于提供一种具有低滚动阻力和较高的不均匀磨损阻力的充气轮胎。 为了实现上述目的,一种充气轮胎包括:胎面部,其包括多个块阵列,每​​个块阵列由多个沿轮胎周向延伸的多个主槽分隔的块组成, 横向槽与主槽交叉,其中至少一个块阵列设置有在轮胎的宽度方向上观察时在块阵列的中心区域中在轮胎的圆周方向上连续延伸的薄肋,并且是 由沿轮胎周向延伸的两个刀槽花纹分隔开,轮胎周向延伸的刀槽花纹的深度是横向槽深度的0.7倍以下。
    • 16. 发明申请
    • Pneumatic Tire
    • 气动轮胎
    • US20080283169A1
    • 2008-11-20
    • US12030588
    • 2008-02-13
    • Yoshiki SatoTakashi Nakatsuru
    • Yoshiki SatoTakashi Nakatsuru
    • B60C5/00
    • B29D30/72B29D30/0606B29D2030/726B60C13/001Y10T152/10495
    • A pneumatic tire is provided in which markings shown on surfaces of side walls thereof have superior visibility and the effect of increased visibility can be maintained over a long period of time. In a pneumatic tire having a marking provided on a side wall, a marking area which includes the marking and a background portion of the marking is formed into a recessed plane which is recessed further inwards than the surface of the side wall in an axial direction of the tire, and the marking is formed in the marking area in the form of a projecting plane which is provided in such a manner as to project relative to the recessed plane. The surface of the marking is made up of a specular surface portion having a surface roughness in which a center line average surface roughness (Ra) is in the range of 0.4 to 1.5 μm, and the background portion is made up of a rough surface portion whose surface roughness exceeds a surface roughness in which Ra is 1.5 μm.
    • 提供了一种充气轮胎,其中在其侧壁的表面上示出的标记具有优异的可见性,并且可以长时间地维持增加的可见度的效果。 在具有设置在侧壁上的标记的充气轮胎中,包括标记的标记区域和标记的背景部分形成为凹进的平面,该凹面在侧壁的轴向方向上比侧壁的表面进一步向内凹进 轮胎,并且标记形成在以相对于凹面突出的方式设置的突出面形式的标记区域中。 标记的表面由具有中心线平均表面粗糙度(Ra)在0.4〜1.5μm范围内的表面粗糙度的镜面部分构成,背景部分由粗糙面部分 其表面粗糙度超过Ra为1.5μm的表面粗糙度。
    • 19. 发明授权
    • Pneumatic tire
    • 气动轮胎
    • US08302647B2
    • 2012-11-06
    • US12400964
    • 2009-03-10
    • Yoshiki Sato
    • Yoshiki Sato
    • B60C11/12B60C11/03
    • B60C11/1392B60C11/0306B60C11/0309B60C2011/1231Y02T10/862
    • An object of the present invention is to provide a pneumatic tire having low rolling resistance and higher resistance against irregular wear. To achieve the above object, a pneumatic tire includes a tread portion comprising a plurality of block arrays each of which is constituted of a plurality of blocks that are partitioned by a plurality of main grooves extending in a circumferential direction of the tire and a plurality of lateral grooves crossing the main grooves, wherein at least one of the block arrays is provided with a thin rib that continuously extends in the circumferential direction of the tire in a central area of the block array as viewed in a width direction of the tire and is partitioned by two sipes extending in the circumferential direction of the tire, the depth of the sipes extending in the circumferential direction of the tire is 0.7 times or less of the depth of the lateral grooves.
    • 本发明的目的在于提供一种具有低滚动阻力和较高的不均匀磨损阻力的充气轮胎。 为了实现上述目的,一种充气轮胎包括:胎面部,其包括多个块阵列,每​​个块阵列由多个沿轮胎周向延伸的多个主槽分隔的块组成, 横向槽与主槽交叉,其中至少一个块阵列设置有在轮胎的宽度方向上观察时在块阵列的中心区域中在轮胎的圆周方向上连续延伸的薄肋,并且是 由沿轮胎周向延伸的两个刀槽花纹分隔开,轮胎周向延伸的刀槽花纹的深度是横向槽深度的0.7倍以下。