To provide a novel sound absorption material suitable for recycling.SOLUTION: A sound absorption material 1 includes: a first layer; and a second layer in which the first layer is stacked and arranged in a thickness direction. The first layer includes short fibers and is arranged in at least one end in the thickness direction.SELECTED DRAWING: Figure 1

    【課題】リサイクルに適した新規の吸音材を提供する。【解決手段】吸音材1は、第1層と、第1層が厚み方向に重ねて配置される第2層と、を備える。第1層は、短繊維を含み、厚み方向の少なくとも一方の端部に配置される。【選択図】図1


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    Title :

    SOUND ABSORPTION MATERIAL


    Additional title:

    吸音材


    Contributors:

    Publication date :

    2023-01-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / D04H Herstellen von flächigem Textilgut, z.B. aus Fasern oder fadenförmigem Material , MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL



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