Molten metal discharging device

Details Molten metal discharging device Molten metal discharging device

B - Operations, Transporting

22

D

39/113

B22D 41/08 (2006.01) B22D 41/42 (2006.01)

Patent

CA 1251642

TITLE OF THE INVENTION MOLTEN METAL DISCHARGING DEVICE ABSTRACT OF THE DISCLOSURE A molten metal discharging device comprising: a stationary plate adapted to be mounted at a bottom portion of a container accomodating molten metal, the stationary plate having a molten metal passage bore for permitting the molten metal from the container to be discharged therethrough, and a slide plate slidable along a lower face of the stationary plate and adapted to open or close the passage bore by being slidably displaced relative to the stationary plate, in which a circumferential wall of the passage bore in the stationary plate is made of dense refractory material and the circumferential wall made of the dense refractory material has a plurality of gas supply holes therein for permitting a gas to be supplied into the passage bore has less fear that the passage bore thereof may be blocked by the solidification of the molten metal and/or deposition of metal oxides and has an improved resistance against corrosion by the molten metal.

447614

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