To provide a vulcanization metal mold for pneumatic tires that can shorten a vulcanization time of a pneumatic tire and can secure durability of metal mold.SOLUTION: A vulcanization metal mold 100 for pneumatic tires comprises: a tread mold 101 for molding a tread 11 located at an outer end in a tire radial direction and extending in a tire circumferential direction; a side mold 102 for forming a side wall 12 extending in an inner side in a tire radial direction from an outer edge in a tire axis direction of the tread 11; and a mold protrusion 108 protruding from the side mold 102 to the inside in a tire axis direction, wherein a mold protrusion 108 has a center of gravity G1 on the outside in the tire radial direction from a midpoint C1 between an upper end in the tire radial direction and the lower end in the tire radial direction in a meridian cross section.SELECTED DRAWING: Figure 2

    【課題】空気入りタイヤの加硫時間を短縮できると共に、金型の耐久性を確保する、空気入りタイヤ用加硫金型を提供する。【解決手段】タイヤ径方向の外端に位置しており、タイヤ周方向に延びている、トレッド11を、成形するためのトレッドモールド101と、トレッド11のタイヤ軸方向の外端からタイヤ径方向の内側に延びている、サイドウォール12を、成形するためのサイドモールド102と、サイドモールド102からタイヤ軸方向の内側に突出している、モールド突起108と、を備えている、空気入りタイヤ用加硫金型100であって、モールド突起108は、子午線断面において、タイヤ径方向の上端とタイヤ径方向の下端との間の中点C1よりタイヤ径方向の外側に重心G1を、有している。【選択図】図2


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    Title :

    VULCANIZATION METAL MOLD FOR PNEUMATIC TIRE, AND PNEUMATIC TIRE


    Additional title:

    空気入りタイヤ用加硫金型、及び空気入りタイヤ


    Contributors:

    Publication date :

    2024-05-10


    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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