Apparatus for the filtration of molten metal in a crucible...

Details Apparatus for the filtration of molten metal in a crucible... Apparatus for the filtration of molten metal in a crucible...

C - Chemistry, Metallurgy

22

B

39/101, 39/104

C22B 9/02 (2006.01) C22B 21/06 (2006.01)

Patent

CA 1102120

ABSTRACT OF THE DISCLOSURE The disclosure describes an apparatus for filtering molten metal used in the production of castings. The apparatus comprises a furnace crucible which can be charged with molten metal. A ladling crucible is positioned in the molten metal with- in the furnace crucible. The latter is formed at least in part of a ceramic foam material having an open cell structure which is characterized by a plurality of interconnected voids surrounded by a web of ceramic. This apparatus is inexpensive to utilize and has high filtration efficiency.

310981

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