When manufacturing a pneumatic tire, a replaceable member having a smooth flat surface is attached to a mold body of a tire mold configured to vulcanize an unvulcanized tire into a predetermined shape by contact with the unvulcanized tire, and thus a mold inner surface that forms the shape of a tire side surface portion including a curved surface of the mold body and the flat surface surrounded by the curved surface. Thereafter, a vulcanized tire is produced by vulcanizing the unvulcanized tire by bringing the unvulcanized tire into contact with the mold inner surface. Furthermore, a two-dimensional code is engraved in a planar surface region of the vulcanized tire, which corresponds to the flat surface. In the two-dimensional code, a dot pattern is formed by two types of gray scale elements that are formed identifiable from each other by surface unevenness.


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    Titel :

    METHOD FOR PRODUCING PNEUMATIC TIRES, TIRE MOLD, AND PNEUMATIC TIRES


    Weitere Titelangaben:

    VERFAHREN ZUR HERSTELLUNG VON LUFTREIFEN, REIFENFORM UND LUFTREIFEN
    PROCÉDÉ DE PRODUCTION DE PNEUS, MOULE DE PNEU, ET PNEUS


    Beteiligte:
    HATANO ATSUYA (Autor:in)

    Erscheinungsdatum :

    2021-01-13


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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 / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B60C VEHICLE TYRES , Fahrzeugreifen



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