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    DECOUPLING GROOVE FOR PNEUMATIC TIRE TREAD
    12.
    发明申请
    DECOUPLING GROOVE FOR PNEUMATIC TIRE TREAD 有权
    用于气动轮胎的解除沟槽

    公开(公告)号：US20100116390A1

    公开(公告)日：2010-05-13

    申请号：US12268477

    申请日：2008-11-11

    申请人： Jeffrey Leon Sevart ,  Paul Keyser Blackiston ,  Pedro Yap ,  Larry Ashley Gordon

    发明人： Jeffrey Leon Sevart ,  Paul Keyser Blackiston ,  Pedro Yap ,  Larry Ashley Gordon

    IPC分类号： B60C11/01 ,  B60C11/03

    CPC分类号： B60C11/01 ,  B60C11/0306 ,  B60C2011/013 ,  B60C2200/06 ,  Y10S152/901

    摘要： A pneumatic radial ply truck tire for use on medium truck trailers includes a tread, a casing with two sidewalls, one or more radial plies extending from, and wrapped about, two annular beads, and a belt reinforcement structure located radially between the tread and the one or more radial plies. The tread includes a plurality of circumferentially extending tread grooves, a pair of circumferentially extending shoulder ribs, a pair of radially recessed ribs being radially recessed and non-road contacting under static load disposed at a lateral edge of the shoulder ribs, and a pair of circumferentially extending decoupling grooves. Each decoupling groove defines a transition between a corresponding shoulder rib and a corresponding recessed rib. A lateral edge of one of the shoulder ribs has a first radius of curvature forming a transition from a radially outer surface of the shoulder rib to a first side surface of the corresponding decoupling groove. A base surface of the decoupling groove has a second radius of curvature forming a transition from the first side surface to a second side surface of the decoupling groove. A radially outer surface of the corresponding recessed rib has a third radius of curvature forming a continuous transition from the second side surface to a third outer side surface of the shoulder portion of the tread.

    摘要翻译： 用于中型卡车拖车的气动径向帘布车轮胎包括胎面，具有两个侧壁的壳体，从两个环形胎圈延伸并围绕两个环形胎圈的一个或多个径向帘布层，以及位于胎面和胎面之间的带束加强结构 一个或多个辐射层。 胎面包括多个周向延伸的胎面槽，一对周向延伸的胎肩肋，一对径向凹入的肋在径向凹槽处，并且在静态载荷下设置在肩肋的侧边缘处的非道路接触，以及一对 周向延伸的去耦槽。 每个去耦槽限定相应的肩肋与对应的凹肋之间的过渡。 肩肋中的一个的侧边缘具有形成从肩肋的径向外表面到对应的去耦槽的第一侧表面的过渡的第一曲率半径。 去耦槽的基面具有形成从解耦槽的第一侧表面到第二侧表面的过渡的第二曲率半径。 相应的凹肋的径向外表面具有形成从胎面的肩部的第二侧表面到第三外侧表面的连续过渡的第三曲率半径。