Molten metal filter

Details Molten metal filter Molten metal filter

1979-10-09

1981-05-05

Adee, John

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

210510, 210773, 106 40R, 75 68R, B01D 3916, C04B 2100

Patent

active

042656591

ABSTRACT:
The present invention provides a highly efficient, ceramic foam material for filtering molten metal which is characterized by improved strength reliability. The filter of the present invention is prepared by impregnating an organic foam material with an aqueous ceramic slurry containing ceramic fibers. In accordance with the present invention it has been found that it is possible to prepare a low cost, porous ceramic filtration medium having improved strength reliability.

REFERENCES:
patent: 3410057 (1969-11-01), Lerner
patent: 3793041 (1974-02-01), Sowman
patent: 3893917 (1975-07-01), Pryor et al.
patent: 3947363 (1976-03-01), Pryor et al.
patent: 3962081 (1976-06-01), Yarwood et al.

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