PROBLEM TO BE SOLVED: To provide a pneumatic tire that enables a more accurate grasp of a progression condition of deterioration, and a method for determining the deterioration of the pneumatic tire.SOLUTION: In a pneumatic tire having a plurality of belt layers 7 embedded in a tread part 1, a determining deterioration member 8 made of an oxidation-reduction indication body changing a color tone by oxidation reaction is provided in at least a part in rubber between an outer surface of the tread part 1 and the outermost belt layer 7o, positioned on the outermost peripheral side, of the plurality of belt layers 7.SELECTED DRAWING: Figure 1

    【課題】より精度よく劣化の進行具合を把握することを可能にした空気入りタイヤ及びその劣化判定方法を提供する。【解決手段】トレッド部1に複数層のベルト層7が埋設された空気入りタイヤにおいて、複数層のベルト層7のうち最外周側に位置する最外ベルト層7oとトレッド部1の外表面との間のゴム中の少なくとも一部に、酸化反応により色調が変化する酸化還元指示体からなる劣化判定部材8を設ける。【選択図】図1


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    Title :

    PNEUMATIC TIRE AND METHOD FOR DETERMINING DETERIORATION OF THE SAME


    Additional title:

    空気入りタイヤ及びその劣化判定方法


    Contributors:
    IGA KOSHI (author)

    Publication date :

    2016-04-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen