Tensioning structure for a sliding closure unit

Details Tensioning structure for a sliding closure unit Tensioning structure for a sliding closure unit

1986-03-21

1987-10-06

Rolla, Joseph J.

Dispensing

Molten metal dispensing

Flow controllers or assists

222512, 266236, C21C 546, B22D 4108

Patent

active

046977236

ABSTRACT:
A sliding closure unit includes a stationary refractory plate to be mounted on a metallurgical vessel, a movable refractory plate, a slide frame supporting the movable refractory plate and movable in a direction of movement between an open position with discharge openings in the movable and stationary refractory plates in alignment and a closed position with the discharge openings out of alignment, and tensioning devices on opposite sides of the movable refractory plates for pressing the movable refractory plate against the stationary refractory plate. The force of the tensioning structures is distributed evenly along the opposite sides of the movable refractory plate by strip members mounted in the slide frame for movement relative in the direction of the thickness thereof. A respective strip member is positioned on each opposite side of the movable refractory plate and is positioned between the tensioning structure on such side and the bottom surface of the movable refractory plate on such side.

REFERENCES:
patent: 3587945 (1971-06-01), Lanatti et al.
patent: 3604603 (1971-09-01), Grosko et al.
patent: 3727805 (1973-04-01), Shapland
patent: 3765579 (1973-10-01), Cramer et al.
patent: 3921866 (1975-11-01), Palazzo
patent: 3926406 (1975-12-01), Hind
patent: 4253647 (1981-03-01), Andres
patent: 4570908 (1986-02-01), King

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