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 ¤ S ¢ 2 + S ¢ 3 / S ¢ 1 ¤ 2.50 0 ¤ S ¢ 2 / S ¢ 2 + S ¢ 3 ¤ 0.9 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 whieh, 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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    Titel :

    空気入り安全タイヤ


    Erscheinungsdatum :

    2018-02-14


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / D02G CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS , Kräuseln oder Texturieren von Fasern, Fäden, Garnen oder Zwirnen / D06M Behandeln von Fasern, Fäden, Garnen, Textilgut, Federn oder aus solchen Materialien hergestelltem Fasergut, soweit nicht anderweitig in Klasse D06 vorgesehen , TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS