The invention relates to a tire internal structure, in particular to a tire zero-degree belt ply structure. The tire zero-degree belt ply structure comprises a tire body, and at least two belt plies are attached to a cord fabric layer at the top of the tire body, wherein the first belt ply is located at the bottommost layer of all the belt plies, the second belt ply is arranged on the first belt ply, and the width of the second belt ply is smaller than that of the first belt ply. A steel cord of the first belt ply is inclined leftwards, the inclination angle of the steel cord of the first belt ply is larger than the inclination angles of all the other belt plies, a steel cord in the second belt ply is spirally wound, and the inclination angle of the steel cord in the second belt ply is approximate to zero degree. By the adoption of the structure, the problems that circumferential deformation of a high-flatness-ratio tire is generated in the using process, and due to creeping of the crown center, mutual stress between the belt plies is increased can be fundamentally eliminated, then heat generation on a tire crown can be reduced, tire loosening and other early-stage damage phenomena are avoided, and the service life of the high-flatness-ratio tire with a wide tread surface is prolonged.


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    Title :

    Tire zero-degree belt ply structure


    Contributors:
    YANG QIZHEN (author) / DING ZHENHONG (author) / LU JIONG (author)

    Publication date :

    2015-11-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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