PROBLEM TO BE SOLVED: To improve ride comfort performance and weight saving property while maintaining run-flat durability.SOLUTION: A run flat tire includes: a cross section substantially crescent-shaped side-reinforcement rubber layer 9 disposed on an inner side of a carcass 6 and in a side wall part 3; an inner reinforcement layer 10 provided along a tire inner surface Si; and an outer reinforcement layer 11 provided along a tire outer surface So. The inner reinforcement layer 10 is disposed in a range of 90% or more of a first region G1, while the outer reinforcement layer 11 is disposed in a range of 90% or more of a second region G2. The inner and outer reinforcement layers 10, 11 are constituted of a carbon fiber-reinforced plastic.SELECTED DRAWING: Figure 1

    【課題】ランフラット耐久性を維持しつつ、乗心地性能と軽量化とを改善させる。【解決手段】カーカス6の内側かつサイドウォール部3に配される断面略三日月状のサイド補強ゴム層9と、タイヤ内表面Siに沿う内の補強層10と、タイヤ外表面Soに沿う外の補強層11とを具える。内の補強層10は、第1領域G1の90%以上の範囲に配され、外の補強層11は、第2領域G2の90%以上の範囲に配される。内外の補強層10、11は、炭素繊維強化プラスチックからなる。【選択図】図1


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    Titel :

    RUN FLAT TIRE


    Weitere Titelangaben:

    ランフラットタイヤ


    Beteiligte:
    KAJITA HIROAKI (Autor:in)

    Erscheinungsdatum :

    2018-02-01


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / C08J Verarbeitung , WORKING-UP



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