Method of operating injection molding machine and injection molding machine
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United States of America Patent
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Dec 11, 2012
Grant Date -
Dec 23, 2010
app pub date -
Jun 22, 2010
filing date -
Jun 23, 2009
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In an injection molding machine, dies are connected to a die temperature regulating machine by means of thermal medium supplying pipes and thermal medium returning pipes. A heat exchanger is interposed between the thermal medium returning pipes. The air which has been heated by the heat exchanger is supplied to a hopper through a hot air supplying pipe so as to preheat and dry injection material in the hopper.
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