Safe and effective technique for removal of debris and contaminants from narrow passages involves entrainment of undesired material in thermoplastic casting material. Semisolid wax slightly below melting temperature pushed along passage by pressurized nitrogen to remove debris. Devised to clean out fuel passages in main combustion chamber of Space Shuttle main engine. Also applied to narrow, intricate passages in internal-combustion-engine blocks, carburetors, injection molds, and other complicated parts.


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    Title :

    Hot Wax Sweeps Debris From Narrow Passages


    Contributors:

    Published in:

    Publication date :

    1990-03-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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