Method for the filtration of molten metal in a crucible type fur

Details Method for the filtration of molten metal in a crucible type fur Method for the filtration of molten metal in a crucible type fur

1977-09-22

1978-11-07

Cuchlinski, Jr., William A.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

75 68R, 210 71, C22B 902

Patent

active

041245067

ABSTRACT:
An improved method for the filtration of molten metal for use in the production of castings is disclosed in which a ladling crucible provided with a ceramic foam filter is inserted into a furnace crucible which is filled with molten metal so that the molten metal passes through the filter into the ladling crucible cavity so that oxide films and other impurities are removed prior to ladling.

REFERENCES:
patent: 133720 (1872-12-01), Pettijohn
patent: 2359386 (1944-10-01), Reinsch
patent: 3729097 (1973-04-01), Collins et al.
patent: 3843355 (1974-10-01), Reding
patent: 3962081 (1976-06-01), Yarwood et al.
patent: 4024056 (1977-05-01), Yarwood et al.

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