Tire, the internal wall of which is covered with an airtight layer, itself covered with a layer of self-sealing product, comprising a radial carcass reinforcement (60) composed of reinforcing elements (61) having an elongation at break EBC and a breaking strength BSC, placed at a placement pitch PC and coated with rubber composition, designed so as to satisfy the inequality: BS C P C ≤ 1.5 · 10 6 · ( R S 2 - R E 2 ) R T . Each sidewall of the tire additionally comprises an additional strengthening reinforcement (120) composed of thread reinforcing elements having an elongation at break EBA and a breaking strength BSA, placed at a placement pitch PA and coated with rubber composition, in which each of the two additional strengthening reinforcements is designed such that: BS A P A ≥ 1.3 · BS C P C , and EBC≧EBA, the breaking strengths BSA and BSC and the elongations at break EBC and EBA being determined on the reinforcing elements before their incorporation in the tire.


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    Title :

    Self-Sealing Tire Comprising An Additional Sidewall Reinforcement


    Contributors:

    Publication date :

    2016-01-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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