Refractory valve body and sliding closure unit incorporating the

Details Refractory valve body and sliding closure unit incorporating the Refractory valve body and sliding closure unit incorporating the

1985-03-28

1989-10-24

Rolla, Joseph J.

Dispensing

Molten metal dispensing

Flow controllers or assists

222597, 222598, B67D 300, B22D 4108

Patent

active

048756067

ABSTRACT:
Stationary and sliding refractory valve bodies of a sliding closure unit, for use in controlling the discharge of molten material from a vessel, are mounted on respective support frames to be precisely centered with respect thereto and to prevent the application to the refractory valve bodies of stresses due to such mounting during operation of the unit. At least one bore hole and at least one elongated groove are formed in the refractory valve body. First and second rods are fixed to the respective support frame and extend therefrom into the bore hole and the groove, respectively. The bore hole is centered on a longitudinal axis of the groove extending in the direction of elongation thereof.

REFERENCES:
patent: 4199087 (1980-04-01), Golas et al.
patent: 4219188 (1980-08-01), Meier
patent: 4314659 (1982-02-01), Shapland
patent: 4447966 (1984-05-01), Mollenkopf et al.
patent: 4540304 (1985-09-01), Pavelka et al.
patent: 4564232 (1986-01-01), Fujimori et al.

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