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    • 10. 发明授权
    • Siping geometry to delay the onset of rib edge wear in truck tires
    • 四平形几何,以延缓卡车轮胎中肋缘磨损的发生
    • US06196288B1
    • 2001-03-06
    • US08990423
    • 1997-12-15
    • Robert C. RadulescuDavid Alan WestonJames Edward Stone
    • Robert C. RadulescuDavid Alan WestonJames Edward Stone
    • B60C1104
    • B60C11/042B60C11/0309B60C11/12B60C11/124B60C11/1263B60C11/1281B60C11/24B60C2011/1254Y10S152/03Y10S152/901
    • The present invention provides a truck tire with a siping geometry to protect the main ribs of the tire's tread by delaying the onset of irregular wear and the growth thereof. The improved tire tread comprises a plurality of main ribs formed by grooves extending generally circumferentially around an outer surface of the tire forming a tread width for contacting the supporting surface. A plurality of sipes, positioned on both lateral edges of each one of the main ribs, provide protection for the main ribs to delay the onset of irregular wear. A pitch length and a sipe length are both selected to be within a certain range of values, as well as a ratio of the sipe length to the pitch length is selected. The sipes are preferably narrow in width having a maximum width dimension of about 0.40 millimeter. The sipes may be inset from the lateral edges of the ribs, may be curvilinear sipes, may have an inclination angle with respect to a normal to the ribs and may be at an acute angle from the circumferential direction of the tire tread.
    • 本发明提供一种具有四边形几何形状的卡车轮胎,通过延迟不规则磨损的发生及其生长来保护轮胎胎面的主肋。 改进的轮胎胎面包括多个主肋,所述主肋由围绕轮胎的外表面大致周向延伸的槽形成,形成用于接触支撑表面的胎面宽度。 位于每个主肋的两个侧边缘上的多个刀槽花纹为主肋提供保护以延迟不规则磨损的开始。 间距长度和刀槽花纹长度都被选择在一定范围内,并且选择刀槽花纹长度与节距长度的比率。 刀槽花纹宽度最好宽度为0.40毫米左右。 刀槽花纹可以从肋的侧边缘插入,可以是曲线刀槽花纹,相对于肋的法线可以具有倾斜角,并且可以与轮胎胎面的圆周方向成锐角。