PROBLEM TO BE SOLVED: To reduce a load in a tire width direction as well as a load in a tire circumferential direction in different portions in a tread part.SOLUTION: A green tire manufacturing method for manufacturing a green tire in a tread part of a pneumatic tire comprises: an extrusion step 22 for forming an extrusion rubber material by extruding a short fiber containing rubber material including short fibers in a rubber material to a predetermined direction; and a rolling step 23 for rolling at least one side part of the extruded rubber material toward an end of the side in a thickness direction along a direction crossing the extrusion direction.SELECTED DRAWING: Figure 4

    【課題】トレッド部の異なる部分でタイヤ幅方向への負担およびタイヤ周方向への負担を軽減すること。【解決手段】空気入りタイヤのトレッド部におけるグリーンタイヤを製造するグリーンタイヤ製造方法であって、ゴム材に短繊維を含有した短繊維含有ゴム材を所定方向に押し出して押出ゴム材を成形する押出工程22と、押出ゴム材における少なくとも一方の側部を側端に向かって押出方向に対して交差する方向に沿いつつ厚さ方向に圧延する圧延工程23と、を含む。【選択図】図4


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    Titel :

    GREEN TIRE MANUFACTURING METHOD AND GREEN TIRE MANUFACTURING DEVICE, AND PNEUMATIC TIRE


    Weitere Titelangaben:

    グリーンタイヤ製造方法およびグリーンタイヤ製造装置ならびに空気入りタイヤ


    Beteiligte:
    NAITO MITSURU (Autor:in)

    Erscheinungsdatum :

    19.01.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    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 / B60C VEHICLE TYRES , Fahrzeugreifen



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