PROBLEM TO BE SOLVED: To provide a sound absorption member and a pneumatic tire capable of achieving both of weight saving and reduction of cavernous resonance.SOLUTION: A sound absorption member of the invention is provided on a lumen of a tire. The sound absorption member comprises a thin film part and a porous part having a cell number which is 5-30/25 mm, and having 25% hardness which is 20-200 N. A pneumatic tire of the invention is configured so that, the sound absorption member is provided on a surface on the lumen side of the tire.SELECTED DRAWING: Figure 1

    【課題】軽量化と空洞共鳴音の低減とを両立させることが可能な、吸音部材および空気入りタイヤを提供する。【解決手段】本発明の吸音部材は、タイヤの内腔に配置されるものであって、前記吸音部材は、薄膜部と、セル数が5〜30個/25mmであり、且つ、25%硬度が20〜200Nである、多孔質部と、を有することを特徴とする。また、本発明の空気入りタイヤは、当該吸音部材が、タイヤの内腔側の表面上に配設されていることを特徴とする。【選択図】図1


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    Title :

    SOUND ABSORPTION MEMBER AND PNEUMATIC TIRE


    Additional title:

    吸音部材および空気入りタイヤ


    Contributors:

    Publication date :

    2017-06-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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