Noise attenuating devices and methods, precursors and abrasive blasting masks for manufacturing noise attenuating devices are disclosed. An exemplary method disclosed herein includes bonding a facing sheet of the noise attenuating device to a cellular core and then perforating the facing sheet. Perforating the facing sheet may be performed by abrasive blasting using a mask configured to prevent the abrasive blasting of an underlying structure.


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    Title :

    METHOD FOR MANUFACTURING NOISE ATTENUATING DEVICES


    Additional title:

    VERFAHREN ZUR HERSTELLUNG VON GERÄUSCHDÄMPFUNGSVORRICHTUNGEN
    PROCÉDÉ DE FABRICATION DE DISPOSITIFS ATTÉNUATEURS DE BRUIT


    Contributors:
    SIMPSON DEREK (author) / MILLAR TONY (author)

    Publication date :

    2020-08-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / B24C ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL , Abschleifendes oder ähnliches Abstrahlen mit teilchenförmigem Werkstoff / 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 / G03F Fotomechanische Herstellung strukturierter oder gemusterter Oberflächen, z.B. zum Drucken, zum Herstellen von Halbleiterbauelementen , PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES



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