Refractory slide gate assembly and method

Details Refractory slide gate assembly and method Refractory slide gate assembly and method

1988-12-12

1991-04-16

Chambers, A. Michael

Valves and valve actuation

Valve

Materials

251144, 222600, 266 44, B22D 4108

Patent

active

050076159

ABSTRACT:
A slide gate assembly for use with a metal-working vessel comprising at least one stationary refractory plate and at least one sliding refractory plate slidably engaged with said stationary plate, said refractory plates each having at least one passage therethrough and spaced in relation to each other such that said sliding refractory plate can be moved to bring its passage into and out of alignment with the passage of said at least one stationary plate to effect discharge or retention of molten metal in said metal-working vessel; at least a portion of each of said refractory plates consisting essentially of an unburned high-strength carbon-bonded magnesite refractory containing at least about 5% by weight carbon and at least about 74% by weight magnesite.

REFERENCES:
patent: 4175974 (1979-11-01), Grabner et al.
patent: 4179046 (1979-12-01), Jeschke et al.
patent: 4182466 (1980-01-01), Fehling et al.
patent: 4257543 (1981-03-01), Muschner et al.
patent: 4424955 (1984-01-01), Wells
patent: 4497473 (1985-02-01), Robyn et al.
patent: 4583721 (1986-04-01), Arakawa et al.

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