Method for manufacturing refractory material having numerous thr

Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – By mechanically introducing gas into material

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Details

264 71, 264317, 264DIG44, 425DIG12, C04B 3332

Patent

active

042821738

ABSTRACT:
The present invention relates to a method for manufacturing a refractory erial having numerous through pores in a certain direction. The refractory material is manufactured by covering a woven fabric composed of combustible weft and/or warp threads with a slurry of a refractory material, and then drying and baking the coated fabric to burn out the combustible yarns so that the desired through pores may be obtained in directions corresponding to the direction of the burned out weft and warp threads.

REFERENCES:
patent: 2506244 (1950-05-01), Stopka
patent: 3437723 (1969-04-01), Habermann
patent: 3533753 (1970-10-01), Berger
patent: 3539667 (1970-11-01), Nameishi

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