The invention discloses the technical field of run-flat tires, and discloses a run-flat tire which can still run in an air leakage state. The tire comprises a sidewall reinforcing rubber layer arranged on a tire wall part, the sidewall reinforcing rubber layer extends on the inner surface of a tire body in the radial direction of the tire, the sidewall reinforcing rubber layer is provided with a rubber layer A and a rubber layer B which are arranged in crossed and compounded manners in the radial direction of the tire, and the shore hardness of the rubber layer A and the shore hardness of therubber layer B are different. According to the run-flat tire provided by the invention, the safety and durability of the run-flat tire under normal driving conditions and zero air pressure can be improved, and the service life of the product is prolonged.

    本发明公开了一种泄气保用轮胎技术领域,公开了一种在漏气状态下仍能够行驶的泄气保用轮胎。该轮胎包括配置在胎壁部分的胎侧加强橡胶层,所述胎侧加强橡胶层在轮胎胎体的内表面沿轮胎径向延伸,所述胎侧加强橡胶层具有在轮胎径向上交叉复合排列的橡胶层A和橡胶层B,所述橡胶层A和橡胶层B的邵氏硬度不同。本发明提供的泄气保用轮胎可提升泄气保用轮胎在正常行驶条件下以及零气压下的安全性与耐久性,延长产品使用寿命。


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    Title :

    Run-flat tire


    Additional title:

    一种泄气保用轮胎


    Contributors:
    NI PAN (author) / LI HERONG (author) / ZHU DAN (author) / LYU LONG (author) / WANG WEI (author)

    Publication date :

    2020-12-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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