Liquid purification or separation – Filter – Material
Patent
1990-06-28
1991-04-02
Dawson, Robert A.
Liquid purification or separation
Filter
Material
210450, 210455, 266227, 75412, 55523, C22B 902, C22B 2106
Patent
active
050045458
ABSTRACT:
A filter for use in the filtration of molten metals comprises a ceramic foam having a gasket made from fibrous material surrounding its peripheral surface and a metallic foil, such as aluminum foil, fixed to the gasket, for example by means of an adhesive, around the outer peripheral surface of the gasket.
REFERENCES:
patent: 4092153 (1978-05-01), Yarwood et al.
patent: 4331621 (1982-05-01), Brockmeyer
patent: 4640497 (1987-02-01), Heamon
Kaettlitz Wolfgang P.
Loos Rolf
Schlueter Rudolf
Wahl Hans-Peter
Dawson Robert A.
Foseco International Limited
Reifsnyder David
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