Molten metal slide gate valve

Details Molten metal slide gate valve Molten metal slide gate valve

1990-04-16

1991-04-02

Kastler, III, S.

Dispensing

Molten metal dispensing

Flow controllers or assists

222603, B22D 4108

Patent

active

050041312

ABSTRACT:
A molten metal slide gate valve for use on a ladle or tundish. The slide gate valve uses a stationary upper plate having a groove formed in its lower face around the periphery of the plate. The groove is connected to a source of a nonoxidizing gas under pressure to provide a gas seal around the molten metal orifices in the slide gate valve and prevent the aspiration of air into the molten metal orifices during discharge of the molten metal from the ladle or tundish.

REFERENCES:
patent: 3684267 (1972-08-01), Andrzejak
patent: 3809146 (1974-05-01), Andrzejak
patent: 3887117 (1975-06-01), Fehling
patent: 3918613 (1975-11-01), Shapland
patent: 4131219 (1978-12-01), Hind
patent: 4179046 (1979-12-01), Jeschke
patent: 4365731 (1982-12-01), Fehling
patent: 4576317 (1986-03-01), Wenger
patent: 4583721 (1986-04-01), Arakawa
patent: 4789086 (1988-12-01), Rothfuss

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