The invention relates to a tyre (1) for a heavy civil engineering vehicle, the aim of which is to improve the performance trade-off between wear service life, attack resistance and grip. The tread (2) has an axial width L0 and comprises, on each side of the equatorial plane (XZ), at least one outer longitudinal cut (41) at an axial distance LE equal to at least 0.5 * L0/2 and at least one inner longitudinal cut (42) at an axial distance LI equal to at most 0.4 * L0/2, the at least one outer longitudinal cut (41) comprising an outer radial portion (411) leading to the tread surface (3) and having an average width WE1, the average width WE1 is equal to at least 0.6 times the height HE1 of the outer radial portion (411), and the at least one inner longitudinal cut-out (42) comprises an inner radial portion (422) not leading to the tread surface (3) and having an average width WI2 equal to at least 0.6 times the height HI2 of the inner radial portion (422).

    本发明涉及一种用于重型土木工程车辆的轮胎(1),其目的在于改善磨损使用寿命、抗攻击性和抓地性之间的性能折衷。胎面(2)具有轴向宽度L0并且在赤道平面(XZ)的每侧上包括在等于至少0.5*L0/2的轴向距离LE处的至少一个外部纵向切口(41)和在等于至多0.4*L0/2的轴向距离LI处的至少一个内部纵向切口(42),至少一个外部纵向切口(41)包括通向胎面表面(3)并具有平均宽度WE1的外部径向部分(411),所述平均宽度WE1等于所述外部径向部分(411)的高度HE1的至少0.6倍,并且至少一个内部纵向切口(42)包括未通向胎面表面(3)并具有平均宽度WI2的内部径向部分(422),所述平均宽度WI2等于所述内部径向部分(422)的高度HI2的至少0.6倍。


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    Title :

    Tyre with improved grip for heavy civil engineering vehicles


    Additional title:

    用于重型土木工程车辆的具有改进抓地性的轮胎


    Contributors:

    Publication date :

    2023-06-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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