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    • 80. 发明专利
    • Pneumatic tire
    • 气动轮胎
    • JP2009067325A
    • 2009-04-02
    • JP2007240141
    • 2007-09-14
    • Bridgestone Corp株式会社ブリヂストン
    • ZUIKO YUGOYOKOKURA HIROYUKIYAMAGUCHI MASAHIRO
    • B60C9/04B60C9/00B60C17/00D02G3/28D02G3/48D03D1/00D03D15/00
    • PROBLEM TO BE SOLVED: To provide a pneumatic tire excellent in road hazard-resistance and capable of also attaining reduced weight.
      SOLUTION: The pneumatic tire is provided with a pair of left and right bead parts 1; and a carcass ply 4 extending from a crown part to both bead parts 1 via both side parts. A tire flatness ratio is 30-65%, a carcass ply cord of the carcass ply 4 contains at least 65 mass% or more of polyketone fiber, and tensile strength as the cord taken out from the tire is 8 cN/dtex or more. The carcass ply 4 includes weft yarn crossing to the cord arranged in an approximately radial direction, and the weft yarn is cut at a plurality of positions in a tire circumferential direction with an approximately constant interval.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供优异的道路危害性并能够减轻重量的充气轮胎。 解决方案:充气轮胎设有一对左右的胎圈部分1; 以及通过两侧部从胎冠部延伸到胎圈部1的胎体帘布层4。 轮胎平坦度比为30-65%,胎体帘布层4的胎体帘布层包含至少65质量%以上的聚酮纤维,从轮胎取出的帘线的拉伸强度为8cN / dtex以上。 胎体帘布层4包括与大致径向配置的帘线交叉的纬纱,并且以大致恒定的间隔在多个位置上沿着轮胎周向切断纬纱。 版权所有(C)2009,JPO&INPIT