Multiple-screw extruder
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United States of America Patent
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Dec 8, 2015
Grant Date -
Jun 2, 2011
app pub date -
May 27, 2009
filing date -
Jun 19, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An improved multiple-screw extruder, in particular a twin-screw extruder comprises a housing. Several housing bores are located in at least one section within the housing. The housing bores overlap at least along a partial axial length of the housing. One extruder screw is arranged in each of the several housing bores. At least two motors are provided for the at least two extruder screws. A synchronizing and torsion transmitting device, by means of which both cooperating extruder screws can be synchronized, is provided on both the inlet side and the discharge side.
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