Reinforced ceramic filter candle and method of making same

Details Reinforced ceramic filter candle and method of making same Reinforced ceramic filter candle and method of making same

1991-02-04

1993-06-29

Dawson, Robert A.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

2105101, 55523, 55DIG5, 264 62, 264 63, B01D 3920, C04B 4150

Patent

active

052231380

ABSTRACT:
A ceramic filter candle is formed by a skeleton of ceramic fibers and spaced apart metallic perforate reinforcing members bonded together by means of a ceramic binder and a porous ceramic coating material which partially fills the interstices between the fibers and the perforations in the reinforcing members. The candle is manufactured in a vacuum forming process wherein an aqueous slurry of the ceramic fibers and a ceramic binder is drawn through a generally cylindrical mold surface and the preformed tubular reinforcing members to deposit the fibers on the mold surface and over the reinforcing members. The fibers and the reinforcing members are subsequently coated with a ceramic material.

REFERENCES:
patent: 4692248 (1987-09-01), Stannard et al.
patent: 4753728 (1988-06-01), VanderBilt et al.
patent: 4874516 (1989-10-01), Konda
patent: 4894070 (1990-01-01), Keidel et al.

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