To provide a soundproof material and a vehicle soundproof material with an improved soundproof function.SOLUTION: A vehicle soundproof material 20 includes: a foam synthetic resin layer 21 having a plurality of through holes 21a formed along a thickness direction; and a first layer 22 for blocking openings of the through holes 21a.SELECTED DRAWING: Figure 4A

    【課題】防音機能がより向上された防音材及び車両用防音材を提供する。【解決手段】車両用防音材20は、厚み方向に沿って形成された複数の貫通穴21aを有する発泡合成樹脂層21と、貫通穴21aの開口を塞ぐ第1層22と、を備えている。【選択図】 図4A


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    Title :

    SOUNDPROOF MATERIAL AND VEHICLE SOUNDPROOF MATERIAL


    Additional title:

    防音材及び車両用防音材


    Contributors:

    Publication date :

    2023-03-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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