The invention relates to a tyre (1) for urban heavy-duty vehicles. The aim of the invention is to improve the grip of the tyre. According to the invention, the tread (2) comprises at least two wide cutouts (41), referred to as grooves, serrated and parallel to one another, each serrated groove (41) consisting of alternating longitudinal portions (411) parallel to the longitudinal direction (XX ') of the tyre and inclined portions (412), each of which forms the same angle A equal to at least 15 degrees with the longitudinal direction (XX'), the depth of each zigzag groove (41) is at least equal to 7 millimeters, and the taper angle of each wall defining each zigzag groove (41) is at least equal to 10 degrees.

    本发明涉及一种用于城市重载型车辆的轮胎(1),本发明的目的在于改进轮胎的抓地力。根据本发明,胎面(2)包括至少两个锯齿形且相互平行的被称为沟槽的宽切口(41),每个锯齿形沟槽(41)由交替的纵向部分(411)以及倾斜部分(412)组成,所述纵向部分(411)平行于轮胎的纵向方向(XX'),所述倾斜部分(412)中的每一个与纵向方向(XX')形成相同的至少等于15°的角度A,每个锯齿形沟槽(41)的深度至少等于7毫米,并且,界定每个锯齿形沟槽(41)的每个壁的锥度角至少等于10°。


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    Title :

    Tyre for urban buses comprising tread with improved grip


    Additional title:

    包括具有改进抓地力胎面的用于城市公共汽车的轮胎


    Contributors:

    Publication date :

    2024-04-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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