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    • 5. 发明授权
    • Pneumatic tire
    • 气动轮胎
    • US08146634B2
    • 2012-04-03
    • US12419808
    • 2009-04-07
    • Takumi Sekiguchi
    • Takumi Sekiguchi
    • B60C19/12
    • B60C19/12B29D30/0685B29D2030/0695Y10T152/10666Y10T152/10675Y10T152/10684Y10T152/10702Y10T152/10711
    • Provided is a pneumatic tire capable of suppressing a flow of a sealant in a sealant layer due to a centrifugal force generated during the running of the tire. A pneumatic tire of the present invention is a pneumatic tire provided with a sealant layer on an inner surface of the tire in a region corresponding to a tread portion of the tire. The pneumatic tire includes a cover sheet disposed on an inner side of the sealant layer in a radial direction of the tire so as to cover the sealant layer. In the pneumatic tire, a mass per unit area of a center portion of the cover sheet is made larger than a mass per unit area of outer portions of the cover sheet. A width of the cover sheet may be made smaller than a width of the sealant layer.
    • 提供一种充气轮胎,其能够抑制由于在轮胎行驶期间产生的离心力而导致密封剂层中的密封剂的流动。 本发明的充气轮胎是在对应于轮胎的胎面部的区域中在轮胎的内表面上设置有密封剂层的充气轮胎。 充气轮胎包括在轮胎的径向方向上设置在密封剂层的内侧以覆盖密封剂层的覆盖片。 在充气轮胎中,覆盖片的中心部的每单位面积的质量比覆盖片的外部部分的每单位面积的质量大。 可以使覆盖片的宽度小于密封剂层的宽度。