Method of impregnating crucibles and refractory articles

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United States of America Patent

PATENT NO 8911824
SERIAL NO

12346939

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Abstract

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A method of sealing a surface and structure of a refractory crucible with a ceramic, comprising the steps of:

    (a) heating a refractory crucible to a predetermined temperature;(b) applying a wetting agent to a surface of the crucible;(c) applying a ceramic slip along the inner surface of the crucible;(d) applying a vacuum to an outer surface of the crucible;(e) removing excess slip from the inner surface of the crucible;(f) heating the crucible to remove moisture therefrom; and(g) firing the crucible at a temperature between 1,300° C. and about 1,700° C.

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Patent Owner(s)

Patent OwnerAddress
ZIRCOA INC31501 SOLON ROAD SOLON OH 44139

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Just, Arden L Kent, US 4 31

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