To provide one sheet of a sound absorber retaining sound absorbency and changed in a thickness of a prescribed region if necessary, to provide a vehicle exterior article including the sound absorber, and to provide a production method of the sound absorber.SOLUTION: A sound absorber 3 mounted on a vehicle exterior article 1 comprises: an intermediate layer 4 as a planar fiber web 7 entangled containing a thermoplastic synthetic fiber; a skin layer 5 in which a planar nonwoven fabric 8 containing a thermoplastic synthetic fiber is laminated on at least one surface of the intermediate layer 4; a peripheral part 11 in which the laminated intermediate layer 4 and skin layer 5 are heat-compressed in a state of being pressed in a thickness direction along the periphery; a plurality of squeezed parts 14 disposed at intervals L in at least a partial area on a plain face of the intermediate layer 4 and the skin layer 5 in the peripheral part, and heat-compressed in a state that the intermediate layer 4 and the skin layer 5 are pressed in the thickness direction; and a sound absorbing part 15b in which the intermediate layer 4 and the skin layer 5 are laminated in a state that the fiber web 7 is pressed to be thinner than a natural thickness by the squeezed parts 14.SELECTED DRAWING: Figure 2

    【課題】吸音性能が維持されると共に、必要に応じて所定領域の厚さを変化させた一枚の吸音材と、その吸音材を備えた乗物用外装品と、吸音材の製造方法を提供する。【解決手段】乗物用外装品1に取り付けられる吸音材3であって、熱可塑性合成繊維を含んで交絡された面状の繊維ウェブ7である中間層4と、中間層4の少なくとも一方の面において熱可塑性合成繊維を含んだ面状の不織布8が積層された表皮層5と、積層された中間層4と表皮層5が周縁に沿って厚さ方向に圧縮された状態で熱圧着された周縁部11と、周縁部内であって中間層4と表皮層5の平面における少なくとも一部の領域に間隔Lを隔てて複数設けられ、中間層4と表皮層5が厚さ方向に圧縮された状態で熱圧着された潰し部14と、潰し部14によって繊維ウェブ7が自然厚さより薄く圧縮された状態で中間層4と表皮層5が積層されている吸音部15bとを有する。【選択図】図2


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    Title :

    SOUND ABSORBER, VEHICLE EXTERIOR ARTICLE INCLUDING SOUND ABSORBER, AND PRODUCTION METHOD OF SOUND ABSORBER


    Additional title:

    吸音材、その吸音材を備えた乗物用外装品、及び吸音材の製造方法


    Contributors:

    Publication date :

    2022-10-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    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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