Method of manufacturing an inorganic molded product

Details Method of manufacturing an inorganic molded product Method of manufacturing an inorganic molded product

1998-03-10

2000-01-11

Aftergut, Karen

Plastic and nonmetallic article shaping or treating: processes

Removal of liquid component or carrier through porous mold...

By direct application of vacuum or pneumatic pressure

249141, 425 85, 4254051, B28B 126

Patent

active

060132159

ABSTRACT:
A method of compression-molding a slurry of a hydraulic inorganic material such as cement or slag, a light-weight aggregate, a reinforced fiber material and other filler material kneaded with water so as to manufacture an inorganic molded product. The slurry is put into a molding frame having a filtering cloth placed over the bottom surface thereof and is then compression-molded in the molding frame by using a molding die while it is suction-dehydrated from on both sides of the molding die surface and the filtering cloth surface. The molding die has a number of vent holes for sucking-dehydration each of which vent holes comprises a small-diameter hole and a large-diameter hole continuous therewith.

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patent: 5603808 (1997-02-01), Nishikawa

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