Rotary slide valve for metallurgical vessels
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United States of America Patent
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-
Feb 7, 1995
Grant Date -
N/A
app pub date -
Feb 15, 1994
filing date -
Feb 16, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A rotary slide valve for controlling the flow of molten material from a discharge opening of a holding vessel into an inlet of a rotatable casting mold has three valve plates which are in face-to-face contact. A first valve plate at the inflow side of the valve is fixed and is designed to abut the holding vessel peripherally of its discharge opening. A second valve plate at the discharge side of the valve is designed to engage the mold peripherally of the mold inlet and to rotate with the mold between two terminal positions. The third valve plate is sandwiched between the others and can be driven in rotation relative to both. Each of the valve plates is provided with a through opening. The valve is designed so that, at least in the two terminal positions of the discharge valve plate, the openings of all the valve plates can be brought into register and the openings of two of the valve plates can be brought out of register.
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