Filter gasketing

Details Filter gasketing Filter gasketing

1989-05-24

1991-07-09

Beck, Shrive P.

Coating processes

Foraminous product produced

Filter, sponge, or foam

427294, 4274301, 427284, B05D 500

Patent

active

050304828

ABSTRACT:
The present invention relates to ceramic foam filters having a gasket material chemically and mechanically bonded thereto. The filters have particular utility in the filtration of molten metal, especially aluminum. The filters are formed by immersing the porous filter body, preferably in a fired condition, in a gasketing medium consisting of a concentration of ceramic fibers, one or more binders, and the balance a vehicle such as water and applying a vacuum through the porous filter to draw the gasketing medium into contact with the portions of the filter body to be gasketed.

REFERENCES:
patent: 3893917 (1975-07-01), Pryor et al.
patent: 3947363 (1976-03-01), Pryor et al.
patent: 4081371 (1978-03-01), Yarwood et al.
patent: 4133920 (1979-01-01), Schulthess
patent: 4331621 (1982-05-01), Brockmeyer

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