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
1987-07-24
1989-07-04
Lowe, James
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
264 86, 264250, 264278, 264313, 249141, 425 3, 425DIG33, B29C 3912
Patent
active
048448532
ABSTRACT:
Herein disclosed is a method of making a porous mold by using an upper case which bears lines for forming channels for water and air communications. The method of making a porous mold includes
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Ito Haruyuki
Matsumoto Akio
Durkin II Jeremiah F.
Lowe James
Toto Ltd.
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