Plastic extruder
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United States of America Patent
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Mar 18, 2014
Grant Date -
Jan 26, 2012
app pub date -
Jan 15, 2010
filing date -
Feb 3, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a device (1) for extruding thermoplastic material, having an extruder housing (22) in which an extruder screw (22) driven by a drive device (23) is supported rotatably about the axis thereof, said housing comprising an intake opening (24) to which a plastic material feeder (3) is connected, said feeder comprising at least one air inlet opening (36), wherein the extruder housing (22) comprises at least one vapor outlet opening (41) upstream of the intake opening (24) and an air/vapor path (28) is defined from the intake opening (24) to the vapor outlet opening (41).
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