The present invention provides a tread for a tire, the tread having a contact surface, at least a portion of the plurality of grooves being provided with wear indicating means indicating a legal wear limit, the tread comprising at least two rubber layers, the first rubber layer is located on the outside of the second rubber layer in the radial direction and arranged together with the spacer layer, the spacer layer is intended to be connected to the other rubber layer on the inside of the first rubber layer in the radial direction, and the second rubber layer is arranged so as not to have a spacer layer, the material constituting the spacer layer satisfying the following relational expression: [mathematical formula 2], wherein G * is the modulus G * at 60 DEG C of the material constituting the separator layer, and C is the amount of wear in mm3 of the material constituting the separator layer as measured in method A according to JIS K 7218.

    本发明提供了一种用于轮胎的胎面,所述胎面具有接触面,多个沟槽中的至少一部分布置有磨损指示装置,所述磨损指示装置指示法定磨损极限,所述胎面包括至少两个橡胶层,第一橡胶层沿径向位于第二橡胶层的外侧并与分隔层共同布置,所述分隔层旨在在第一橡胶层的径向内侧与另一个橡胶层连接,并且所述第二橡胶层布置为不具有分隔层,构成所述分隔层的材料满足以下关系式:[数学式2],其中G*为构成分隔层的材料的60℃下的模量G*,并且C为根据JIS K 7218以方法A测得的构成分隔层的材料的以mm3计的磨损量。


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    Title :

    Tire tread with durability


    Additional title:

    一种具有耐久性性能的轮胎胎面


    Contributors:

    Publication date :

    2023-08-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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