Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Of inorganic materials
Patent
1974-12-04
1977-11-01
White, Robert F.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Of inorganic materials
264 43, C04B 3332
Patent
active
040565866
ABSTRACT:
The present invention resides in an improved molten metal filter and a method of preparing same and a method of filtering molten metal therethrough. The filter is an open cell ceramic foam material having a plurality of interconnected voids surrounded by a web of said ceramic.
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patent: 3594456 (1971-07-01), Berenshtein
patent: 3778304 (1973-12-01), Thompson
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patent: 3845181 (1974-10-01), Ravault
Gray Thomas J.
Pryor Michael J.
Bachman Robert H.
Parrish John A.
Swiss Aluminium Limited
White Robert F.
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