To provide a method for molding a tread rubber which enables improved productivity and a tread rubber.SOLUTION: There is provided a method for molding a tread rubber by integrating and discharging a plurality of rubber materials by an extrusion molding die 20, wherein a first extruder 31 which supplies a rubber material to be a cap rubber constituting a tire ground contact surface, a second extruder 32 which supplies a rubber material to be a base rubber laminated inside the cap rubber and a third extruder 33 which supplies a rubber material to be a through rubber which penetrates through the cap rubber are connected to the extrusion molding die 20 and the cap rubber is formed by a conductive rubber material by supplying a rubber material from each of the second and third extruders 32, 33 while supplying a conductive rubber material from the first extruder 31.SELECTED DRAWING: Figure 2

    【課題】生産性の向上を可能にしたトレッドゴム成形方法及びトレッドゴムを提供する。【解決手段】複数のゴム材料を押出成形ダイ20で一体化して吐出するトレッドゴム成形方法において、押出成形ダイ20には、タイヤ接地面を構成するキャップゴムとなるゴム材料を供給する第1の押出機31と、キャップゴムの内側に積層されるベースゴムとなるゴム材料を供給する第2の押出機32と、キャップゴムを貫通する貫通ゴムとなるゴム材料を供給する第3の押出機33とが接続されており、第1の押出機31から導電性ゴム材料を供給しつつ、第2及び第3の押出機32,33の各々からゴム材料を供給することにより、キャップゴムが導電性ゴム材料により形成されたトレッドゴムを押出成形する。【選択図】図2


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    Title :

    METHOD FOR MOLDING TREAD RUBBER AND TREAD RUBBER


    Additional title:

    トレッドゴム成形方法及びトレッドゴム


    Contributors:

    Publication date :

    2024-08-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / 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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