Plastic and nonmetallic article shaping or treating: processes – With step of making mold or mold shaping – per se – Utilizing surface to be reproduced as an impression pattern
Patent
1983-11-08
1985-07-23
Czaja, Donald
Plastic and nonmetallic article shaping or treating: processes
With step of making mold or mold shaping, per se
Utilizing surface to be reproduced as an impression pattern
264226, 264322, B29C 102
Patent
active
045308101
ABSTRACT:
A method for preparing a female mold employing a thermoplastic resin sheet which is softenable and moldable at a relatively low temperature and hardenable at a room temperature. This female mold is accurately profiled by a head of a person who will wear a wig and advantageously employable as a female mold for forming a head model or male mold used for a wig base or used as a workbench for the wig.
REFERENCES:
patent: 2977636 (1961-04-01), McGuire
patent: 4297315 (1981-10-01), Kasai
patent: 4397701 (1983-08-01), Johnson
Aderans Co., Ltd.
Czaja Donald
Fertig Mary Lynn
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