Method of molding an article

Details Method of molding an article Method of molding an article

1996-11-13

1997-12-23

Derrington, James

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

264 86, 264651, 425 85, B28B 126, C04B 3328

Patent

active

057004099

ABSTRACT:
A method of molding at article capable of enduring temperatures of at least 1250.degree. F. without deformation or deterioration. High temperature resistant fibers cut to a length of one eighth of an inch are mixed with water to create a pool of slurry. A flexible mold having an article-forming cavity affixed to a suction chamber having means for injecting slurry into the cavity and means for the flow of liquid out of the cavity when the flexible mold and the suction chamber are under vacuum to create within the mold cavity an article of compacted high temperature resistant fibers. The mold is flexed causing the molded article to be released from the cavity within the mold.

REFERENCES:
patent: 4401613 (1983-08-01), Abell
patent: 4935178 (1990-06-01), Esposito
patent: 5271888 (1993-12-01), Sinsley
patent: 5427722 (1995-06-01), Fouts

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