Method and arrangement for dispensing quantities of molten metal

Details Method and arrangement for dispensing quantities of molten metal Method and arrangement for dispensing quantities of molten metal

1975-05-07

1976-12-21

Reeves, Robert B.

Dispensing

Processes of dispensing

Molten metal

164306, 222 70, 222397, 222595, B22D 3900

Patent

active

039983650

ABSTRACT:
Molten metal is poured, in at least two successive operations, from a container having an interior closed off substantially gas-tightly and provided with a pour-out conduit which has an inlet communicating with the interior of the container and which has an outlet pouring opening located outside the container above the highest level to which molten metal in the container interior is permitted to rise. The metal in the conduit is established at a predetermined starting level prior to the start of the first pouring operation by feeding pressurized gas into the space above the molten metal in the container interior. Thereafter, each pouring operation is effected by boosting the gas pressure in such space by an amount requisite to effect pouring out through the pouring opening of the quantity of molten metal to be dispensed. At the end of each pouring operation, the gas pressure in such space is decreased to a value causing the metal in the pour-out conduit to sink down to the starting level, and the pressure is maintained at that value to maintain the metal at the starting level until the start of the next-following pouring operation.

REFERENCES:
patent: 2937789 (1960-05-01), Tama
patent: 3058180 (1962-10-01), Port, Jr. et al.
patent: 3412899 (1968-11-01), Sutter
patent: 3465916 (1969-09-01), Hibband et al.

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