PROBLEM TO BE SOLVED: To provide a pneumatic tire in which at least one bead core is provided and a carcass has an end without a turn-up structure so that stiffness and endurance of the bead and a sidewall are enhanced.SOLUTION: A pneumatic tire comprises: bead cores 11 in which multi-layered bead wire cords 10 are coiled; bead fillers 12 adhering to the bead cores having at least two rows; and a carcass ply 3 disposed between the bead cores of the bead fillers, the carcass ply being disposed to have a linear structure without a turn-up structure. Left and right bead fillers 12a, 12b comprising the bead cores including the bead wire cords are disposed at both sides of the carcass ply, and the bead wire cords of the left and right bead fillers have a structure with a diameter decreasing upward from a bead base 14.SELECTED DRAWING: Figure 1

    【課題】少なくとも一つのビードコアを保有しカーカスの先端のターンアップがない構造によってビード部及びサイドウォールの剛性と耐久性を強化した空気入りタイヤを提供する。【解決手段】ビードワイヤーコード10が複数層で巻かれたビードコア11、2列以上のビードコアに付着されるビードフィラー12、及びビードフィラーのビードコアの間にターンアップ構造なしに直線構造で配置されるカーカスプライ3を備えてなる空気入りタイヤにおいて、カーカスプライの両側に、ビードワイヤーコードからなるビードコアを有する左右のビードフィラー12a,12bが配置され、左右のビードフィラーのビードワイヤーコードはビードベース14から上部側に行くほど直径が小さくなる構造とする、空気入りタイヤ。【選択図】図1


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    Title :

    PNEUMATIC TIRE WITH BEAD HAVING ENHANCED STIFFNESS


    Additional title:

    ビード部の剛性を強化した空気入りタイヤ


    Contributors:

    Publication date :

    2017-09-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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