Apparatus for heating a mold for an injection molding system
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United States of America Patent
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Jun 9, 1998
Grant Date -
N/A
app pub date -
Mar 22, 1996
filing date -
Mar 22, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus performs induction heating or dielectric heating of a mold for an injection molding system up to a desired temperature within a short time by using high frequencies or microwaves. The electric current of high frequency generated from a high frequency generator flows through a coil embedded in the mold to induction-heat the mold by an induction phenomenon with the mold, and microwaves from a microwave generator heats the dielectric material within the mold, thereby preventing cooling of the mold when a resin fluid is injected into a cavity.
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