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Advanced tread tire

机译:先进的胎面轮胎

摘要

The invention relates to a vehicle tire, which comprises a tread (2), the central part of which is a tread (2),Comprising at least two rubber mixtures (221, 222),At least 90% of its volume. The first mixture (221) is radially outward of the second mixture (222) and accounts for at least 40% but not more than 60% of the volume of the central portion. The shore hardness DS2 of the second rubber mixture (222) is at least equal to 5 plus the shore hardness DS1 of the first mixture(221)。 The dynamic loss of the second rubber mixture (222) at 0 ° C and 23 ° C is at least equal to the dynamic loss of the first rubber mixture (221). The axial outer portion of the tread consists of a third mixture (223), which is suitable for contact with the groundThe stiffness and hysteresis are lower than that of the first mixing.Abstract figure: Figure 1
机译:本发明涉及一种车辆轮胎,其包括胎面(2),其中心部分是胎面(2),其包括至少两个橡胶混合物(221,222),其体积的至少90%。第一混合物(221)的第二混合物(222)径向向外,占中央部分体积的至少40%但不超过60%。第二橡胶混合物(222)的肖氏硬度Ds2至少等于5加上第一混合物(221)的肖氏硬度Ds1。第二橡胶混合物(222)的动态损失在0℃和23℃下至少等于第一橡胶混合物的动态损失(221)。胎面的轴向外部由第三混合物(223)组成,所述第三混合物(223)适用于与地的接触刚度和滞后低于第一混合的滞后。抽象图:图1

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