Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By separating metal in a molten mass from undesired...
Patent
1977-09-22
1978-09-12
Cuchlinski, Jr., William A.
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
By separating metal in a molten mass from undesired...
266242, 266275, 266901, 75 68R, 210510, C22B 902
Patent
active
041132416
ABSTRACT:
An improved apparatus 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 employed in a furnace type crucible to remove impurities.
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.
Bachman Robert H.
Cuchlinski Jr. William A.
LaPointe Gregory P.
Swiss Aluminium Ltd.
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