Linear sliding closure unit

Details Linear sliding closure unit Linear sliding closure unit

1982-04-23

1984-01-10

Rutledge, L. Dewayne

Metallurgical apparatus

Means sealing or opening aperture in vessel

222591, 222600, 266236, B22D 3700

Patent

active

044249586

ABSTRACT:
A linear sliding closure unit includes a stationary refractory plate, a closure casing adapted to be mounted on a molten metal container, a linearly movable sliding refractory plate, a sliding closure member mounting the sliding refractory plate for linear sliding movement relative to the casing and the stationary refractory plate, and structure for urging the sliding refractory plate toward the stationary refractory plate so that respective sliding surfaces thereof are in abutment. The closure casing includes an inner supporting surface supporting and defining the position of the stationary refractory plate. The closure casing has guide surfaces at positions outwardly of the support surface, the sliding closure member being guided by the guide surfaces during sliding movement. The closure casing fixedly connects and spaces the guide surfaces from the supporting surface.

REFERENCES:
patent: 3685705 (1972-08-01), Cessna
patent: 3760993 (1973-09-01), Meier
patent: 3764042 (1973-10-01), Shapland et al.
patent: 3765579 (1973-10-01), Cramer et al.
patent: 4063668 (1977-12-01), Shapland et al.

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