To provide a tire molding method capable of making a shape of a first rubber layer into a desired shape, the first rubber layer being exposed to an end face of a display section.SOLUTION: A tire molding method comprises: a coating step of coating a first rubber layer with liquid rubber of a different color from a color of the first rubber layer to form a second rubber layer; an unvulcanized tire forming step of forming an unvulcanized tire so as to dispose the second rubber layer on an outer surface of a side wall; a vulcanization molding step of forming a protruded part on the side wall by bringing the outer surface of the side wall into contact with a tire mold; and a removal step of causing the first rubber layer to be exposed by removing an end part of the protruded part to form a display part.SELECTED DRAWING: Figure 1

    【課題】表示部の先端面に露出された第1ゴム層の形状を所望の形状にすることができるタイヤ成形方法を提供する。【解決手段】タイヤ成形方法は、第1ゴム層に、前記第1ゴム層の色彩と異なる色彩である液状ゴムを塗布して第2ゴム層を形成する塗布工程と、前記第2ゴム層がサイドウォールの外表面に配置されるように、未加硫タイヤを形成する未加硫タイヤ形成工程と、前記サイドウォールの外表面をタイヤ成形型に当接させることによって、前記サイドウォールに凸部を形成する加硫成形工程と、前記凸部の先端部を除去することにより前記第1ゴム層を露出させて表示部を形成する除去工程と、を含む。【選択図】図1


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    Title :

    TIRE MOLDING METHOD


    Additional title:

    タイヤ成形方法


    Contributors:

    Publication date :

    2022-07-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE , Herstellen besonderer Gegenstände aus Kunststoff oder aus Stoffen in plastischem Zustand / B60C VEHICLE TYRES , Fahrzeugreifen / F16C SHAFTS , Wellen



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