A pneumatic tire has a tread rubber provided in an outer side of a carcass layer in a tread portion. the tread rubber has a cap portion which is formed by a non-conductive rubber and constructs a ground-contacting surface, a base portion which is provided in an inner side in the tire diametrical direction of the cap portion, and a conductive portion which is formed by a conductive rubber and extends in a thickness direction of the tread rubber so as to reach a bottom surface of the tread rubber from the ground-contacting surface. A thickness of the conductive portion is made relatively large in a center portion in the thickness direction of the tread rubber, and the thickness of the conductive portion is made relatively small in both end portions in the thickness direction of the tread rubber.


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    Title :

    Pneumatic tire with tread having cap portion, base portion and conductive portion


    Contributors:

    Publication date :

    2016-05-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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