Ladle shroud with co-pressed gas permeable ring

Details Ladle shroud with co-pressed gas permeable ring Ladle shroud with co-pressed gas permeable ring

1988-05-03

1989-06-06

Godici, Nicholas P.

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

By means introducing treating material

164415, 164437, 222603, 266236, B22D 1110

Patent

active

048365084

ABSTRACT:
A ladle shroud has a co-pressed porous ring for the introduction of an inert gas at the sealing joint between the ladle shroud and a mating ladle collector nozzle. The dense body of the ladle shroud and the co-pressed porous ring are of similar carbon-bonded graphite refractory grain compositions and have similar carbon containing binder systems to improve the bond between the ring and body components. The dense body further includes a continuous integral ledge portion which, abuts a top surface of the porous ring to seal the top of the ring against unwanted inert gas leakage.

REFERENCES:
patent: 4519438 (1985-05-01), Grosso et al.
patent: 4746038 (1988-05-01), Ohwada et al.

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