Refractory plate unit with annular centering surface and sliding

Details Refractory plate unit with annular centering surface and sliding Refractory plate unit with annular centering surface and sliding

1990-11-30

1991-12-24

Kastler, S.

Dispensing

Molten metal dispensing

Flow controllers or assists

B22D 4128

Patent

active

050744429

ABSTRACT:
A refractory plate unit for use as a sliding plate or as a stationary plate in a sliding closure unit at an opening of a metallurgical vessel includes a refractory plate having therethrough a discharge opening. A metal member is rigidly attached to the refractory plate and has an annular surface centered radially outwardly of the discharge opening and mating with substantially no free play with a complementary surface of a metal frame supporting the refractory plate unit.

REFERENCES:
patent: 4182466 (1980-01-01), Fehling et al.
patent: 4566925 (1986-01-01), Schnabel et al.
patent: 4729497 (1988-03-01), Fricker
patent: 4763881 (1988-08-01), Wenger

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