Refractory assembly with metal sheath to prevent molten metal br

Details Refractory assembly with metal sheath to prevent molten metal br Refractory assembly with metal sheath to prevent molten metal br

1992-06-23

1993-10-12

Kastler, Scott

Dispensing

Molten metal dispensing

Flow controllers or assists

266236, B22D 4128

Patent

active

052517942

ABSTRACT:
A refractory assembly for use in a sliding closure unit to control the discharge of molten metal from a metallurgical vessel includes a refractory plate having therethrough a discharge opening and having a sliding surface. A metal sheath is mounted exteriorly of the refractory plate. The sheath includes a protruding collar surrounding the discharge opening and extending in a direction away from the sliding surface beyond a portion of the refractory plate that confronts a refractory sleeve of the sliding closure unit to define therewith a joint. The protruding collar encloses the joint outwardly and thereby prevents molten metal breakthrough at the joint.

REFERENCES:
patent: 4376501 (1983-03-01), Hafner et al.
patent: 4415103 (1983-11-01), Shapland et al.
patent: 5074442 (1991-12-01), Fricker

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