Injection device for light metal injection molding machine
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United States of America Patent
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Jun 27, 2006
Grant Date -
Mar 17, 2005
app pub date -
Sep 23, 2004
filing date -
Jul 23, 2002
priority date (Note) -
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Abstract
An injection device for a light metal injection molding machine includes a melting device for melting light metal material into molten metal, plunger injection device for carrying out injection of molten metal using a plunger after the molten metal is metered into an injection cylinder from the melting device, connecting member including a connecting passage for connecting the melting device and the plunger injection device, and backflow prevention device for preventing backflow of molten metal by opening and closing the connecting passage.
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