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2. 发明申请

US20110079334A1 TIRE TREAD HAVING IMPROVED CONTACT PRESSURE DISTRIBUTION 审中-公开
标题翻译：具有改进的接触压力分配的轮胎
公开(公告)号：US20110079334A1
公开(公告)日：2011-04-07
申请号：US12572479
申请日：2009-10-02
申请人： Andreas Bott , Boris Erceg , Markus Brachtl , Yasuo Wada
发明人： Andreas Bott , Boris Erceg , Markus Brachtl , Yasuo Wada
IPC分类号： B60C11/04
CPC分类号： B60C11/0332 , B60C11/0302 , B60C11/0306 , B60C11/1376 , B60C11/1392
摘要： A multi-rib tire tread has a plurality of circumferential spaced apart ribs in an axial direction, adjacent ribs separated by a circumferential grooves and each rib having sides extending radially outward to a radially outward contact surface. The outward contact surface of a central rib has an outwardly convex curvature in an axial direction more rounded than a tread curvature. A first lateral rib and a second lateral rib are positioned adjacent opposite sides of the central rib, each lateral rib having an outwardly convex curvature in an axial direction more rounded than a tread curvature. The convex curvature of the first and second lateral ribs are less rounded than the central rib. The radius of curvature of the center rib is within a range of 170 and 270 millimeters; the radius of curvature of the first lateral rib is within a range of 80 to 180 millimeters; and the radius of curvature of the second lateral rib is within a range of 100 to 200 millimeters.
摘要翻译：多肋轮胎胎面在轴向方向上具有多个周向隔开的肋，相邻的肋由周向槽分隔开，并且每个肋具有径向向外延伸到径向向外的接触表面。中心肋的向外接触表面在轴向上具有比胎面曲率更圆的向外凸出的曲率。第一横向肋和第二横向肋位于中心肋的相对侧附近，每个横向肋在轴向上具有比胎面曲率更圆的向外凸起的曲率。第一和第二横向肋的凸曲率比中央肋更小。中心肋的曲率半径在170和270毫米的范围内; 第一侧肋的曲率半径在80至180毫米的范围内; 并且第二侧肋的曲率半径在100至200毫米的范围内。

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