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    • 5. 发明申请
    • PNEUMATIC TIRE
    • 气动轮胎
    • US20120247639A1
    • 2012-10-04
    • US13516328
    • 2010-12-17
    • Takuya Yoshimi
    • Takuya Yoshimi
    • B60C9/02
    • B60C9/0042B29D30/38B29D2030/383B60C9/04B60C2009/0416B60C2009/0425B60C2009/0433B60C2009/045B60C2009/0458B60C2009/0466Y10T152/10855
    • Provided is a pneumatic tire whose safety factor and durability are improved without generating a problem of an increase in the weight of a tire and an increase in the inner surface cord protrusion failure.Provided is a pneumatic tire including one or more carcasses 2 extending toroidally between bead cores 1 embedded in a pair of bead portions 11 respectively. A polyester fiber cord whose total decitex as a twisted cord is 4300 to 5100 dtex, whose cord strength as a dip treated cord is 6.5 to 7.2 cN/dtex and whose cord elongation at a stress loading of 2 cN/dtex is 3.5 to 4.0% is used as a reinforcing cord of the carcass 2, and the tenacity of a treat which is the reinforcing cord covered with rubber per unit width is 2.9 to 3.2 kN/cm.
    • 提供一种充气轮胎,其安全系数和耐久性得到改善,而不会产生轮胎重量增加和内表面绳索突出故障增加的问题。 提供了一种充气轮胎,其包括一个或多个胎体2,胎体2分别环绕在嵌入在一对胎圈部11中的胎圈芯1之间延伸。 作为绞合线的总分数为4300〜5100dtex的聚酯纤维帘线,其作为浸渍处理帘线的帘线强度为6.5〜7.2cN / dtex,应力负荷下的帘线伸长率为2c / dtex为3.5〜4.0% 用作胎体2的加强帘线,作为每单位宽度的橡胶覆盖的加强帘线的处理强度为2.9〜3.2kN / cm。