Method and device for manufacturing biodegradable molded objects
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United States of America Patent
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Oct 24, 2000
Grant Date -
N/A
app pub date -
Aug 29, 1998
filing date -
Dec 16, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A voltage is applied to a feeder plate (29) from a power source section (2) including an alternating power source for dielectric heating, whereby an electric field in a direction crossing a direction in which a mold (8) is moved is applied to an incoming plate (28) which is not in contact with the feeder plate (29), so that molded object materials (9) are heated and expanded. By doing so, arc discharge caused by contact of the mold with an electrode is prevented from occurring during the heating and molding of a biodegradable molded object by dielectric heating.
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