The invention concerns an insulating part comprising a sealed casing defining an inner enclosure (7), the part having thermal conductivity of less than 100 mW/m.K, the sealed casing (3) comprising at least one thin metal sheet (30, 31) having a thickness of less than 1 mm and welded peripherally to keep the enclosure under low pressure and/or controlled atmosphere, the weld, which is produced in a chamber under low pressure and/or controlled atmosphere, having a leakage rate of less than 10−6 Pa·m3/s, after a first thermal treatment according to the standard RTCA-DO 160-G, section 5, Cat A (from −55° C. to 400° C.) and a second thermal treatment at −196° C. for 1 hour.


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    Title :

    PIECE ISOLANTE METALLIQUE


    Additional title:

    METAL INSULATING PART
    ISOLIERENDES METALLTEIL


    Contributors:

    Publication date :

    2021-07-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / 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 / B64C AEROPLANES , Flugzeuge / B65D Behältnisse zur Lagerung oder zum Transport von Gegenständen oder Materialien [Container], z.B. Säcke, Beutel, Fässer, Flaschen, Dosen, Kästen, Büchsen, Schachteln, Packkörbe, Tonnen, Gläser, Flüssigkeitsbehälter, Trichtersilos, Transportbehälter , CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS / F16L PIPES , Rohre



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