Method of making hard-faced ceramic fiber module

Details Method of making hard-faced ceramic fiber module Method of making hard-faced ceramic fiber module

1997-03-18

1998-03-17

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

With step of cooling to a temperature of zero degrees c. or...

264113, 264640, C04B 4187

Patent

active

057283265

ABSTRACT:
A hard-faced ceramic fiber module is formed by providing a ceramic fiber sheet that is folded upon itself to form a first surface having adjacent folds and intermediate valleys by impregnating the first surface with an aqueous colloidal silica suspension, covering said impregnated first surface with a layer of a mixture of ceramic fibers in an aqueous colloidal suspension, compressing said layer, freezing said module and then heating the same to remove substantially all of the water.

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