Provided are a non-woven cloth and a layered non-woven cloth that are preferred as a skin material for a composite sound-absorbing material, which has excellent moldability and exceptional shape stability, and with which it is possible to achieve an adequate sound-absorption effect even in thin low-weight regions. The present invention pertains to: a non-woven cloth having a layered structure in which at least one ultrafine fiber layer (M) having an average fiber diameter of 0.3-7 µm and at least one continuous long fiber layer (S) having an average fiber diameter of 10-30 µm are integrated, wherein the non-woven cloth is characterized in that the adhesion area ratio of the ultrafine fiber layer (M) and the continuous long fiber layer (S) is 45-80%; a method for manufacturing the non-woven cloth; a layered non-woven cloth in which two or more layers of the non-woven cloth are layered; and a composite sound-absorbing material in which the non-woven cloth or the layered non-woven cloth, and an open-cell resin foam body or a fiber porous material that is a sound-absorbing material, are layered.


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    Titel :

    NON-WOVEN CLOTH, LAYERED NON-WOVEN CLOTH COMPRISING SAID NON-WOVEN CLOTH, AND COMPOSITE SOUND-ABSORBING MATERIAL IN WHICH LAYERED NON-WOVEN CLOTH IS USED AS SKIN MATERIAL


    Weitere Titelangaben:

    VLIESSTOFF, GESCHICHTETER VLIESSTOFF MIT DEM VLIESSTOFF UND ZUSAMMENGESETZTES SCHALLABSORBIERENDES MATERIAL, IN DEM EIN GESCHICHTETER VLIESSTOFF ALS HAUTMATERIAL VERWENDET WIRD
    TISSU NON TISSÉ, TISSU NON TISSÉ STRATIFIÉ COMPRENANT LEDIT TISSU NON TISSÉ, ET MATÉRIAU COMPOSITE INSONORISANT DANS LEQUEL UN TISSU NON TISSÉ STRATIFIÉ EST UTILISÉ COMME REVÊTEMENT EXTÉRIEUR


    Beteiligte:
    YAMAMURO SHINYA (Autor:in) / OKAMURA CHIE (Autor:in) / OBI RUMINA (Autor:in) / SHIOTA EIJI (Autor:in) / KATO KAZUFUMI (Autor:in) / NAKANISHI YASUO (Autor:in)

    Erscheinungsdatum :

    01.03.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    D04H Herstellen von flächigem Textilgut, z.B. aus Fasern oder fadenförmigem Material , MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL / 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 / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES



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