To provide a pneumatic tire and a tire vulcanization mold capable of forming a slender projection which does not affect a tire characteristic such as appearance and rolling resistance, without damaging drainage performance of grooves provided in a tread part.SOLUTION: A pneumatic tire T includes a plurality of main grooves 31 extending in the tire circumferential direction and a plurality of land parts 32, 33, 34 partitioned by the main grooves 31, in a tread part 3. Each of the land parts 32, 33, 34 includes: a fine hole 50 recessed inwardly in the tire radial direction from a ground surface 35; and a columnar part 54 protruding toward the radial direction outwardly from a bottom surface 52 of the fine hole 50.SELECTED DRAWING: Figure 1

    【課題】トレッド部に設けられた溝の排水性能を損なうことなく、外観性や転がり抵抗などのタイヤ特性に影響を与えない細長い突起を形成することができる空気入りタイヤ及びタイヤ加硫金型を提供する。【解決手段】タイヤ周方向に延びる複数の主溝31と、主溝31によって区画された複数の陸部32,33,34と、をトレッド部3に備える空気入りタイヤTにおいて、陸部32,33,34は、接地面35よりタイヤ径方向内方へ向けて陥没する細穴50と、細穴50の底面52より径方向外方へ向けて突出する柱状部54とを備える。【選択図】 図1


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    Titel :

    PNEUMATIC TIRE AND TIRE VULCANIZATION MOLD


    Weitere Titelangaben:

    空気入りタイヤ及びタイヤ加硫金型


    Beteiligte:
    FUKASE KENSUKE (Autor:in)

    Erscheinungsdatum :

    2019-06-27


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

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




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