Metal member with annular centering surface

Details Metal member with annular centering surface Metal member with annular centering surface

1991-08-15

1992-08-18

Kastler, S.

Metallurgical apparatus

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

With means to discharge molten material

222600, B22D 4134

Patent

active

051392372

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 a circular 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: 4000837 (1977-01-01), Walther
patent: 4182466 (1980-01-01), Fehling et al.
patent: 4327847 (1982-05-01), Tinnes
patent: 4566925 (1986-01-01), Schnabel et al.
patent: 4627147 (1986-12-01), Kagi
patent: 4687186 (1987-08-01), Francois-Noel
patent: 4729497 (1988-03-01), Fricker
patent: 4763881 (1988-08-01), Wenger
Metals Handbook, 9th edition, vol. 14, p. 12, Apr. 1988.

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