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    Pneumatic tire having white sidewall rubber layer disposed between black sidewall rubber layers and wing rubber layer
    1.
    发明授权
    Pneumatic tire having white sidewall rubber layer disposed between black sidewall rubber layers and wing rubber layer 有权
    具有设置在黑色侧壁橡胶层和翼橡胶层之间的白色侧壁橡胶层的气动轮胎

    公开(公告)号：US06619355B1

    公开(公告)日：2003-09-16

    申请号：US09578689

    申请日：2000-05-26

    申请人： Kazuyuki Niizato

    发明人： Kazuyuki Niizato

    IPC分类号： B60C1300

    CPC分类号： B60C13/04 ,  B60C1/0025 ,  B60C13/003 ,  B60C2015/0614 ,  B60C2200/10 ,  Y10S152/12

    摘要： A pneumatic tire has radially outer black sidewall rubber, radially inner black sidewall rubber, white sidewall rubber therebetween and a wing rubber layer contacting carcass, tread rubber layer and radially outer black sidewall rubber and white sidewall rubber. The radially outer black sidewall rubber extends from the tread edge (P1) to a point (P3) on the tire outer surface, contacts the wing rubber layer extending from the tread edge (P1) to a point (P2), and contacts the white sidewall rubber extending from the point (P2) to the point (P3). The white sidewall rubber is provided between the point (P3) and the point (P4) with a protrusion so that the thickness (DP) of the white sidewall rubber from outer surface to cords of carcass is not less than 4 mm. The maximum thickness (DS) of the radially outer black sidewall rubber is not less than 3 mm at the point (P2).

    摘要翻译： 充气轮胎具有径向外黑色侧壁橡胶，径向内部黑色侧壁橡胶，其间具有白色侧壁橡胶，以及与胎体接合的翼橡胶层，胎面橡胶层和径向外部黑色侧壁橡胶和白色侧壁橡胶。 径向外黑色侧壁橡胶从胎面边缘（P1）延伸到轮胎外表面上的点（P3），接触从胎面边缘（P1）延伸到点（P2）的翼橡胶层，并接触白色 侧壁橡胶从点（P2）延伸到点（P3）。 在点（P3）和点（P4）之间设置有白色侧壁橡胶，具有突起，使得白色侧壁橡胶从外表面到胎体帘线的厚度（DP）不小于4mm。 径向外黑色侧壁橡胶的最大厚度（DS）在点（P2）不小于3mm。