To provide a method capable of accurately and easily predicting clamping force of a bead portion from a design parameter, a tire manufacturing method using the method, and a tire.SOLUTION: Provided is a method for predicting clamping force BF of a bead portion 4 of a tire 1 having bead cores 5 in the bead portion 4. The method includes a step for using a mathematical formula to predict the clamping force BF of the bead portion 4 when the tire 1 is fitted to a rim R of a wheel. The predicting step uses the mathematical formula for calculating the clamping force BF based on distance BOW between a center 5c of the bead core 5 in a tire axial direction and a surface 4a of the bead portion 4 in the outside of the tire axial direction.SELECTED DRAWING: Figure 2

    【課題】 設計パラメータからビード部の締め付け力を精度よく簡単に予測し得る方法、当該方法を用いたタイヤ製造方法及びタイヤを提供する。【解決手段】 ビード部4にビードコア5を備えたタイヤ1のビード部4の締め付け力BFを予測するための方法である。タイヤ1がホイールのリムRに嵌合したときのビード部4の締め付け力BFを、数式を用いて予測する工程を含んでいる。予測する工程は、ビードコア5のタイヤ軸方向の中心5cとビード部4のタイヤ軸方向外側の表面4aとの距離BOWに基づき締め付け力BFを求める数式を用いている。【選択図】 図2


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    Title :

    BEAD CLAMPING FORCE PREDICTION METHOD, TIRE MANUFACTURING METHOD, AND TIRE


    Additional title:

    ビード締め付け力予測方法、タイヤの製造方法及びタイヤ


    Contributors:
    AOKI CHIEKO (author)

    Publication date :

    2022-09-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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