PROBLEM TO BE SOLVED: To keep a cord aperture narrow at a side part of a joint.SOLUTION: A tire reinforcement material according to an embodiment is made of a ply in which a plurality of cords arranged in parallel are coated with rubber. The tire reinforcement material has a joint where ends of the ply are joined together in the state of overlapping each other. An interval between the cords of the ply at a side part of the joint is set shorter than an interval between the cords of the ply at the other parts. In addition, a pneumatic tire is made by using the tire reinforcement material.SELECTED DRAWING: Figure 2

    【課題】接合部の脇部におけるコード目開きを抑制する。【解決手段】実施形態に係るタイヤ補強材は、平行に配列された複数本のコードをゴム被覆してなるプライからなるタイヤ補強材であって、前記プライの端部同士を重ね合わせて接合した接合部を有する。前記接合部の脇部におけるプライのコード間隔が、その他の部分におけるプライのコード間隔よりも小さく設定されている。また、該タイヤ補強材を用いて作製された空気入りタイヤである。【選択図】図2


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    Title :

    TIRE REINFORCEMENT MATERIAL AND PNEUMATIC TIRE


    Additional title:

    タイヤ補強材及び空気入りタイヤ


    Contributors:
    KIMURA SAYA (author)

    Publication date :

    2018-05-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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