The invention provides for a heavy truck tire tread (2) having a longitudinal direction (X), a lateral direction (Y) and a thickness direction (Z), said tread comprising: longitudinal grooves (20) separating longitudinal ribs; a pair of opposing tread edges (21, 21') spaced apart along the lateral direction; a pair of shoulder ribs (22, 22'), each shoulder rib being adjacent to a respective treadedge of said pair of tread edges; wherein the shoulder ribs are solid ribs comprising lateral full depth sipes (23, 23') running at a sipe angle (alpha) relative to the lateral direction (Y) and; wherein an average sipe angle ([alpha]A) over a center portion of said shoulder ribs is greater than 30 degrees in absolute value.

    本发明提供一种重型卡车轮胎胎面(2),其具有纵向方向(X)、横向方向(Y)和厚度方向(Z),所述胎面包括:纵向凹槽(20),其分隔纵向肋片;一对相对胎面边缘(21、21'),其沿着所述横向方向间隔开;一对肩部肋片(22、22'),每一肩部肋片邻近于所述对胎面边缘的相应胎面边缘;其中所述肩部肋片是坚固的肋片,其包括相对于所述横向方向(Y)以沟槽角(α)延伸的橫向全深沟槽(23、23'),且;其中所述肩部肋片的中心部分上方的平均沟槽角(αA)的绝对值大于30°。


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    Title :

    Heavy truck tire tread and heavy truck tire


    Additional title:

    重型卡车轮胎胎面和重型卡车轮胎


    Contributors:

    Publication date :

    2020-05-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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