Screw design and method for metal injection molding
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United States of America Patent
Stats
-
Mar 15, 2016
Grant Date -
Sep 11, 2008
app pub date -
Mar 7, 2008
filing date -
Mar 10, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A screw and method for processing metal, metallic alloys, and metal matrix composites in a plastic injection molding machine is disclosed. The screw includes shank with a screw shaft extending from the shank. The screw shaft includes a rear portion proximate to the shank, a middle portion proximate the rear portion, and a front portion proximate the middle portion. Flights extend from the rear portion of the screw shaft for advancing material through the plastic injection molding machine into the middle portion of the screw shaft. Flights may optionally be included in the front portion of the screw.
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