PROBLEM TO BE SOLVED: To provide a tire/wheel assembling body configured to improve durability during run-flat travelling compared to conventional level.SOLUTION: In a tire/wheel assembling body in which a run-flat supporting body 3 is arranged inside a tread part of a pneumatic tire 2, the run-flat supporting body 3 is formed of a foam body, and a height h of the body is above the half of a height H of an inner cavity of the pneumatic tire 2. When inner pressure of the pneumatic tire is higher than prescribed air pressure, the run-flat supporting body 3 does not contact a rim 1 of a wheel, a side part 5 and an inner peripheral surface of a bead part 6 of the pneumatic tire; and when the inner pressure of the pneumatic tire 2 is below the prescribed air pressure, the inside in a tire radial direction of the run-flat supporting body 3 contacts an outer periphery of the rim 1 of the wheel and/or the inner peripheral surface of the bead part 3 of the pneumatic tire 2.SELECTED DRAWING: Figure 1

    【課題】ランフラット走行時の耐久性を従来レベル以上に向上するようにしたタイヤ/ホイール組立体を提供する。【解決手段】空気入りタイヤ2のトレッド部の内側にランフラット支持体3を配置してなるタイヤ/ホイール組立体であり、ランフラット支持体3が発泡体からなると共に、その高さhが空気入りタイヤ2の内腔高さHの1/2以上で、空気入りタイヤの内圧が所定の空気圧より高いとき、ランフラット支持体3がホイールのリム1、空気入りタイヤのサイド部5およびビード部6の内周面に接触せず、空気入りタイヤ2の内圧が所定の空気圧以下のとき、ランフラット支持体3のタイヤ径方向内側がホイールのリム1の外周および/または空気入りタイヤ2のビード部3の内周面に当接することを特徴とする。【選択図】図1


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    Title :

    TIRE/WHEEL ASSEMBLING BODY


    Additional title:

    タイヤ/ホイール組立体


    Contributors:

    Publication date :

    2018-01-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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