Patent ID: 6013215
Filing Date: 2000-01-11
Classification: B28B

Abstract:
A method of manufacturing an inorganic molded product in which a slurry obtained by kneading a mixture a hydraulic inorganic material, a lightweight aggregate and a reinforced fiber material with water is poured into a molding frame having a filtering cloth placed on a bottom surface thereof and compression-molded by a molding die attached to an upper platen of a press,wherein said slurry is compression-molded while it is dehydrated by sucking from both sides of a molding surface of said molding die and a surface of said filtering cloth, andsaid molding die comprises, on said molding surface thereof, no filtering cloth and a number of vent holes each having a large-diameter hole portion followed by a small-diameter hole portion continuous with said large-diameter hole portion, so as to dehydrate said slurry by sucking through said vent holes.