PROBLEM TO BE SOLVED: To enhance the sound absorbency by suppressing the relative positional deviation of a plurality of sound absorption material without providing wide range of adhesion layers in the case of laminating a plurality of sheet-shaped sound absorption material.SOLUTION: A soundproof material 1 comprises a sheet-shaped first sound absorption material 10, a sheet-shaped second sound absorption material 20 laminated in the thickness direction with respect to the first sound absorption material 10, and a covering member 30 which is formed so as to cover the second sound absorption material 20 from the side opposite to the first sound absorption material 10 and fixed to the first sound absorption material 10.SELECTED DRAWING: Figure 1

    【課題】シート状の吸音材を複数積層する場合に、広範囲に亘る接着層を設けることなく複数の吸音材の相対的な位置ずれを抑制できるようにして吸音性を高める。【解決手段】防音材1は、シート状の第1吸音材10と、第1吸音材10に対して厚み方向に積層されるシート状の第2吸音材20と、第2吸音材20を第1吸音材10とは反対側から覆うように形成され、第1吸音材10に固着される被覆部材30とを備えている。【選択図】図1


    Access

    Download


    Export, share and cite



    Title :

    SOUNDPROOF MATERIAL


    Additional title:

    防音材


    Contributors:

    Publication date :

    2018-08-09


    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



    SOUNDPROOF MATERIAL AND VEHICLE SOUNDPROOF MATERIAL

    TANGE KATSUHIRO / SUGIMOTO HIROKI / SASAZAWA KAZUYA | European Patent Office | 2023

    Free access

    VEHICLE SOUNDPROOF MATERIAL AND SOUNDPROOF MECHANISM

    NAKAJIMA TOMONORI / MURASE MAO / AKABANE EISUKE | European Patent Office | 2023

    Free access

    SOUNDPROOF MATERIAL AND SOUNDPROOF MATERIAL PRODUCTION METHOD

    YAMANAKA YUSUKE | European Patent Office | 2022

    Free access

    SOUNDPROOF MATERIAL AND SOUNDPROOF MATERIAL PRODUCTION METHOD

    YAMANAKA YUSUKE | European Patent Office | 2020

    Free access

    SOUNDPROOF MATERIAL AND SOUNDPROOF MATERIAL PRODUCTION METHOD

    YAMANAKA YUSUKE | European Patent Office | 2021

    Free access