To provide a soundproof body including a sound insulation member which utilizes a film layer as a reinforcement layer, and is formed to be as thin and heavy as possible, and to provide a manufacturing method thereof, and a silencer for an automobile.SOLUTION: A soundproof body comprises: a sound absorption layer 50 which is attached to a dash panel 30; a reinforcement layer 70 laminated on the sound absorption layer 50; and a sound insulation layer 60 laminated on the reinforcement layer 70 so as to face the absorption layer 50 via the reinforcement layer 70. Here, the reinforcement layer 70 and the sound insulation layer 60 constitute a two-layer laminate LB.SELECTED DRAWING: Figure 3

    【課題】本発明は、フィルム層を補強層として活用して、可能な限り薄くかつ可能な限り重く形成してなる遮音部材を有する防音体及びその製造方法並びに自動車用サイレンサーを提供する。【解決手段】防音体は、ダッシュパネル30に装着される吸音層50と、当該吸音層50に積層される補強層70と、当該補強層70を介し吸音層50に対向するように補強層70に積層される遮音層60とにより構成される。ここで、補強層70及び遮音層60は、2層積層体LBを構成する。【選択図】図3


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    Title :

    SOUNDPROOF BODY AND MANUFACTURING METHOD THEREOF, AND SILENCER FOR AUTOMOBILE


    Additional title:

    防音体及びその製造方法並びに自動車用サイレンサー


    Contributors:

    Publication date :

    2020-12-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / 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



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