Provided is a pneumatic safety tire in which the durability is improved by improving the compression fatigue property of a carcass ply cord. The pneumatic safety tire includes, as a skeleton, a carcass 2, and a side reinforcing rubber 4 on a tire width direction inner side thereof in a side wall portion 12. In a cross section in a tire width direction, provided that the area of the side reinforcing rubber is S1, the area of the bead filler 5 is S2, and the area of a rubber chafer 6 arranged on a tire width direction outer side of the bead filler and the bead core is S3, the following expressions (1) and (2) are satisfied: 0.10≰(S2+S3)/S1≰2.50  (1) 0≰S2/(S2+S3)≰0.9  (2), and a reinforcing cord of a carcass ply is composed of a polyester fiber and/or an aramid fiber, and coated with an adhesive agent composition in which, on the basis of 100 parts by mass of solid content of a latex, 35 to 100 parts by mass of solid content of a thermosetting resin including a blocked isocyanate is formulated.


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    Title :

    PNEUMATIC SAFETY TIRE


    Contributors:

    Publication date :

    2015-12-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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