To provide a belt of a lightweight and high strength material tire to reduce weight of the tire while maintaining other characteristics.SOLUTION: A tire 10 includes: a carcass ply 13 and 14; a tread 22 disposed radially outward of a crown region 20 of the carcass ply; and a belt structure 30 having overall axial width substantially equal to tread width TW, where the belt structure is interposed between the tread and the crown region for surrounding the carcass ply in a circumferential direction. The belt structure includes a first belt layer 23 and a second belt layer 24 radially adjacent the first belt layer. The first belt layer includes a first reinforced composite with first reinforcement cords embedded in a first rubber matrix. The first reinforcement cords have a structure of 1100/4 dtex with a twist between 150 TPM and 250 TPM and dipping tension between 100 mN/tex and 200 mN/tex.SELECTED DRAWING: Figure 1

    【課題】他の特性を維持しつつタイヤの重量を減少させるように、軽量で高強度の材料のタイヤのベルトを提供する。【解決手段】タイヤ10は、カーカスプライ13,14と、カーカスプライのクラウン領域20の半径方向外側に配置されたトレッド22と、トレッド幅TWに実質的に等しい全軸方向幅を有するベルト構造30と、を含み、ベルト構造はカーカスプライを円周方向に取り囲む関係でトレッドとクラウン領域との間に挿入される。ベルト構造は第1のベルト層23と第1のベルト層に半径方向に隣接する第2のベルト層24とを含む。第1のベルト層は第1のゴムマトリックスに埋め込まれた第1の補強コードを有する第1の補強複合材を含む。第1の補強コードは150TPMと250TPMとの間の撚り、および100mN/texと200mN/texとの間のディップ時張力を有する1100/4dtexの構造を有する。【選択図】図1


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    Title :

    BELT STRUCTURE FOR TIRE


    Additional title:

    タイヤのベルト構造



    Publication date :

    2021-06-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / D02G CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS , Kräuseln oder Texturieren von Fasern, Fäden, Garnen oder Zwirnen



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