Method of forming molded body

Details Method of forming molded body Method of forming molded body

1992-07-21

1994-03-22

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

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

264 87, C04B 3328

Patent

active

052961753

ABSTRACT:
A mold for forming a molded body from a slurry including an impermeable mold part having a cavity for retaining the slurry and a permeable mold provided on a side of a molding surface with a membrane filter. A method of forming a molded body from a slurry includes steps of introducing the slurry into a cavity of a mold including an impermeable mold part and a permeable mold part provided on a side of a molding surface with a membrane filter, and removing a solvent medium of the slurry through the permeable mold part. A pressure casting molding method of forming a high dense ceramic molded body by pouring a ceramic slurry into a mold through a pouring portion thereof and pressurizing the ceramic slurry on a side of the pouring portion while removing a solvent medium of the slurry on the other side of the mold through a permeable mold part of the mold. The method includes steps of filling a hydrophobic pressurizing medium in the pouring portion after pouring the ceramic slurry into the mold for pressurizing the ceramic slurry through the hydrophobic pressuring medium, and/or removing the solvent medium and/or removing the solvent medium through a membrane filter provided on a side of a molding surface of said permeable mold part of the mold.

REFERENCES:
patent: 399064 (1889-05-01), McLean
patent: 3019505 (1962-02-01), van den Berge et al.
patent: 4401613 (1983-08-01), Abell et al.
patent: 4735756 (1988-04-01), Rausch
patent: 4913868 (1990-04-01), Ito

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