A balloon envelope, having a base layer of ethylene vinyl alcohol (EVOH) and a layer of a second material, that is not EVOH, bonded to at least a portion of an outer-facing surface of the EVOH layer, is provided. The second material may be polyethylene, or a biaxially-oriented polyethylene terephthalate, such as Mylar®. The envelope may also be provided with another layer of the second material bonded to at least a portion of an inner-facing surface of the EVOH layer. The combination of the EVOH layer and the layer of the second material may be less gas-permeable than the EVOH layer alone and the layer of the second material alone.


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    Titel :

    Double-layered balloon envelope


    Beteiligte:
    ROACH KEVIN (Autor:in)

    Erscheinungsdatum :

    25.10.2016


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B64B LIGHTER-THAN-AIR AIRCRAFT , Luftfahrzeuge leichter als Luft



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