In a first step, a molding die is immersed in a raw liquid including cellulosic fibers. Then, the liquid of a raw liquid is sucked through a net material by a liquid suction part, so as to cause the cellulosic fibers to be laminated on the net material. In the second step, the cellulosic fibers laminated on the net material are dried, so as to form a protrusion. In the third step, the dried protrusion and the communication part are removed from the molding die. A passage part of the communication part is formed at a position where a projection portion had been arranged, the passage part being configured to communicate an inside of the protrusion with an outside of the protrusion.


    Access

    Download


    Export, share and cite



    Title :

    Sound absorbing and insulating member and method for manufacturing the same


    Contributors:
    SEGI MAKOTO (author)

    Publication date :

    2023-11-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    D21J FIBREBOARD , Faserplatten / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / D21H PULP COMPOSITIONS , Faserbreimischungen [Pulpen] / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES



    SOUND ABSORBING INSULATING MEMBER AND METHOD FOR MANUFACTURING SAME

    SEGI MAKOTO | European Patent Office | 2020

    Free access

    SOUND ABSORBING AND INSULATING MEMBER AND METHOD FOR MANUFACTURING THE SAME

    SEGI MAKOTO | European Patent Office | 2021

    Free access

    SOUND ABSORBING AND INSULATING MEMBER

    SEKI MAKOTO / MIURA TOSHIHISA | European Patent Office | 2020

    Free access

    Sound-absorbing, sound-insulating and heat-insulating member, wall member for building, and roof silencer for automobile

    YANAGIHARA MASAHIKO / YAMAMOTO HIROSHI | European Patent Office | 2024

    Free access

    SOUND ABSORBING AND INSULATING MATERIAL AND METHOD FOR MANUFACTURING THE SAME

    KIM KEUN YOUNG | European Patent Office | 2019

    Free access