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    ZONED TREAD FOR RACING TIRES
    1.
    发明申请
    ZONED TREAD FOR RACING TIRES 审中-公开
    分区轮胎

    公开(公告)号：US20120180918A1

    公开(公告)日：2012-07-19

    申请号：US13009532

    申请日：2011-01-19

    申请人： Paul Harry Sandstrom ,  Andrew Frederick Weimer ,  Richard Barkley Campbell ,  Thomas Charles Lippello III ,  Mark Alan Keto ,  Larry Alan Kraus ,  Steven Wayne Cronin

    发明人： Paul Harry Sandstrom ,  Andrew Frederick Weimer ,  Richard Barkley Campbell ,  Thomas Charles Lippello III ,  Mark Alan Keto ,  Larry Alan Kraus ,  Steven Wayne Cronin

    IPC分类号： B60C11/00

    CPC分类号： B60C11/0058 ,  B60C1/0016 ,  B60C11/0066 ,  B60C2011/0025 ,  B60C2011/0033

    摘要： A racing tire comprising a tread having a new tread thickness of no greater than about 0.375 inch. The tread defines a running surface that includes a first circumferential portion of a first rubber compound and a second circumferential portion of a second rubber compound situated adjacent one another. The first rubber compound has a greater stiffness than the second rubber compound so as to provide the tread with greater wear resistance along the first circumferential portion, and the second rubber compound provides the tread with greater traction along the second circumferential portion. The tread may be substantially free of a tread pattern. The second rubber compound may have a greater DIN abrasion value than the first rubber compound. The second rubber compound may have a higher tan delta at 100° C. and/or a higher J″ traction value than the first rubber compound.

    摘要翻译： 一种赛车轮胎，其包括具有不大于约0.375英寸的新胎面厚度的胎面。 胎面限定了包括第一橡胶混合物的第一周向部分和位于彼此相邻的第二橡胶混合物的第二周向部分的运行表面。 第一橡胶化合物具有比第二橡胶化合物更大的刚度，以便沿着第一周向部分提供胎面具有更大的耐磨性，并且第二橡胶化合物沿着第二圆周部分提供具有更大牵引力的胎面。 胎面可以基本上没有胎面花纹。 第二橡胶化合物可具有比第一橡胶化合物更大的DIN磨损值。 第二橡胶化合物在100℃下可具有较高的tanδ和/或比第一橡胶化合物具有更高的J“牵引值。

    Forming and mounting of an asymmetric race tire
    3.
    发明授权
    Forming and mounting of an asymmetric race tire 失效
    不对称赛车的形成和安装

    公开(公告)号：US06508284B1

    公开(公告)日：2003-01-21

    申请号：US09674568

    申请日：2000-10-27

    申请人： Douglas Ashley Swift ,  John Gregory Stucker ,  Richard Barkley Campbell ,  Charles Kenneth Schmalix ,  Joel Joseph Lazeration

    发明人： Douglas Ashley Swift ,  John Gregory Stucker ,  Richard Barkley Campbell ,  Charles Kenneth Schmalix ,  Joel Joseph Lazeration

    IPC分类号： B60C306

    CPC分类号： B60C11/0083 ,  B60C3/06 ,  B60C19/001 ,  Y10T152/10504

    摘要： The loss of tire contact patch area along the tire's inside shoulder, relative to an oval race course, which occurs during chassis roll and lateral deflection, is reduced by providing an asymmetrical molded tire. The tires are defined by an asymmetrical outer tread profile and the tires are mounted on the rear axle of the race vehicle such that the axially outer portion of the asymmetrical tread region of each tire, relative to the race course, has a greater shoulder drop, wherein the shoulder drop is the difference between the maximum radial diameter of the tread measured on the outer tread contour and the diameter of the tread at the tread edge, than the opposing tire shoulder.

    摘要翻译： 通过提供不对称的模制轮胎来减少在轮胎的内肩部相对于在底盘滚动和横向偏转期间发生的椭圆形赛道的轮胎接触片区域的损失。 轮胎由不对称的外胎面轮廓限定，并且轮胎安装在赛车手的后轴上，使得每个轮胎的不对称胎面区域的轴向外部相对于跑道具有更大的肩部下落， 其中所述肩部下落是在所述外胎面轮廓上测量的所述胎面的最大径向直径与所述胎面边缘处的胎面直径之间的差值，而不是相对的轮胎胎肩。