To provide a pneumatic tire with a reinforcement material having structure improved in degree of freedom in design to be able to apply the reinforcement material to a low-series tire.SOLUTION: The pneumatic tire is provided that includes: a tread portion; a carcass 3 which is attached to an inner circumferential surface of a side wall portion, and forms a turn-up head 3c at both ends of the side wall portion; a belt layer 4 which is layered on the tread portion side of the carcass 3; and a bead portion P having a bead core 1 which is inserted in a wheel side inside the turn-up head 3c, a bead filler 2 which is inserted in a tread side face of the bead core 1, and a reinforcement material 10 inserted in an interface of the turn-up head 3c, wherein the reinforcement material 10 is formed in such a way that an end 10a at the a tread portion side of the reinforcement material 10 is spaced 5 to 10 mm apart from an end 2a at the tread portion side of the bead filler 2 toward the tread portion side.SELECTED DRAWING: Figure 4

    【課題】低偏平率タイヤに適用できるように設計自由度を高めた構造の補強材を備える、空気圧タイヤを提供する。【解決手段】トレッド部と前記サイドウォール部の内周面に貼り付けられ、サイドウォール部の両端部でターンアップヘッド3cを形成するカーカス3と、前記カーカス3の前記トレッド部側に積層されるベルト層4と、前記ターンアップヘッド3cの内側でホイール側に挿入されるビードコア1、前記ビードコア1の前記トレッド側面に挿入されるビードフィラー2、及び前記ターンアップヘッド3cの界面に挿入される補強材10を有するビード部Pとを含み、前記補強材10は、前記補強材10の前記トレッド部側終端10aが、前記ビードフィラー2の前記トレッド部側終端2aから前記トレッド部側に5〜10mm離隔して位置するように形成されることを特徴とする、空気圧タイヤを提供する。【選択図】図4


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    Title :

    PNEUMATIC TIRE WITH REINFORCEMENT MATERIAL


    Additional title:

    補強材を備える空気圧タイヤ


    Contributors:
    KIM SOL (author) / YUN KYUNG MIN (author) / HONG CHANG HYO (author)

    Publication date :

    2020-10-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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