Ceramic foam filter body having a gasket chemically and mechanic

Details Ceramic foam filter body having a gasket chemically and mechanic Ceramic foam filter body having a gasket chemically and mechanic

1991-05-31

1992-09-15

Lusignan, Michael

Liquid purification or separation

Filter

Material

210508, 210509, 2105101, B01D 2905

Patent

active

051475464

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: 4265659 (1981-05-01), Blome
patent: 4331621 (1982-05-01), Brockmeyer
patent: 4338353 (1982-07-01), Melchior
patent: 4866011 (1989-09-01), Hargus et al.

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