A retractable environmental seal for use in sealing the opening of the exit cone for a rocket nozzle is described. A diaphragm-like cover having a central region adapted to be seated in sealing relation with the periphery of the opening is discussed. Radially extended failure zones for facilitating a pressure-induced rupture of the cover, and a plurality of angularly spaced tension springs connected with the peripheral portion of the cover are characterized.


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    Title :

    Retractable Environmental Seal


    Contributors:

    Publication date :

    1978


    Size :

    6 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    Retractable environmental seal

    Dettling, J. R. | NTRS | 1979


    A Retractable Environmental Seal

    J. R. Dettling | NTIS | 1978


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