Method of degassing a flowable mass in a ring extruder
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United States of America Patent
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Jul 19, 2011
Grant Date -
Apr 8, 2010
app pub date -
Dec 7, 2009
filing date -
Sep 5, 2001
priority date (Note) -
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Abstract
The method of degassing is performed in a ring extruder wherein at least one process chamber is provided with at least one degassing opening. The radius R of the conveyor element in the degassing zone is smaller by ΔR than the full radius Rv of the conveyor element required for the mutual stripping of adhering product in a closely intermeshing screw operation with adjacent conveyor elements.
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