PROBLEM TO BE SOLVED: To provide a tire noise reduction device that can suppress breakage of a sound absorption material and damage at a tire inner surface due to friction among a band member, the sound absorption material and the tire inner surface and can improve high-speed durability performance, and to provide a pneumatic tire including the same.SOLUTION: The tire noise reduction device 6 includes the sound absorption material 7 formed of a porous material and the band member 8 to attach the sound absorption material 7 to the tire inner surface 5, the band member 8 being disposed between the sound absorption material 7 and the tire inner surface 5. The sound absorption material 7 includes chamfered parts C1, C2 on both surface sides of the width directional both end parts thereof.SELECTED DRAWING: Figure 3

    【課題】 バンド部材と吸音材及びタイヤ内面との擦れによる吸音材の破断及びタイヤ内面の損傷を抑制し、高速耐久性能を改善することを可能にしたタイヤ騒音低減装置及びそれを備えた空気入りタイヤを提供する。【解決手段】 多孔質材料からなる吸音材7と、吸音材7をタイヤ内面5に装着するためのバンド部材8とを備え、バンド部材8が吸音材7とタイヤ内面5との間に配置されたタイヤ騒音低減装置6において、バンド部材7がその幅方向両端部の両面側に面取り部C1,C2を有する。【選択図】 図3


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    Titel :

    TIRE NOISE REDUCTION DEVICE AND PNEUMATIC TIRE INCLUDING THE SAME


    Weitere Titelangaben:

    タイヤ騒音低減装置及びそれを備えた空気入りタイヤ


    Beteiligte:

    Erscheinungsdatum :

    2017-10-05


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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