To provide a tire with an improved bead structure which is light without sacrificing strength and which overcomes problems such as creep under load and fretting.SOLUTION: A pneumatic radial tire has: a bead portion provided with a bead core 30 therein; a first layer of a plurality of sheath wires 35 surrounding the bead core 30; and a second layer formed of a plurality of sheath wires 37 surrounding the first layer, where the sheath wires 37 of the second layer have a diameter C less than the sheath wires 35 of the first layer.SELECTED DRAWING: Figure 3

    【課題】強度を犠牲にすることなく軽量であり、荷重下のクリープやフレッチングなどの問題を克服する、ビード構造が改良されたタイヤを提供する。【解決手段】ビードコア30が内部に設けられたビード部と、前記ビードコア30を囲む複数のシースワイヤ線35の第1の層と、前記第1の層を囲む複数のシース線37から形成された第2の層とを有し、前記第2の層のシースワイヤ線37は、前記第1の層のシースワイヤ線35よりも小さい直径Cを有する空気入りラジアルタイヤ。【選択図】図3


    Access

    Download


    Export, share and cite



    Title :

    TIRE WITH IMPROVED BEAD STRUCTURE


    Additional title:

    ビード構造が改良されたタイヤ


    Contributors:

    Publication date :

    2022-06-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



    TIRE WITH IMPROVED BEAD STRUCTURE

    UEYOKO KIYOSHI / DAS BADAL | European Patent Office | 2024

    Free access

    TIRE WITH IMPROVED BEAD STRUCTURE

    UEYOKO KIYOSHI / DAS BADAL | European Patent Office | 2022

    Free access

    TIRE WITH IMPROVED BEAD STRUCTURE

    UEYOKO KIYOSHI | European Patent Office | 2022

    Free access

    TIRE WITH IMPROVED BEAD STRUCTURE

    UEYOKO KIYOSHI | European Patent Office | 2022

    Free access

    Tire with improved bead structure

    UEYOKO KIYOSHI | European Patent Office | 2022

    Free access