Agitating – Rubber or heavy plastic working – Stirrer is through-pass screw conveyor
Reexamination Certificate
2005-11-08
2005-11-08
Sorkin, David (Department: 1723)
Agitating
Rubber or heavy plastic working
Stirrer is through-pass screw conveyor
C366S088000, C366S090000
Reexamination Certificate
active
06962431
ABSTRACT:
An extruder mixer and method for mixing plastic materials utilizes an elongated screw having an inlet channel connected to a first cross-axial pump that feeds, at an angle to the screw axis, a subsequent channel, wherein the subsequent channel becomes a further inlet channel connected to at least one subsequent cross-axial pump, and wherein the cross-axial pump is bounded by a flight on at least one side.
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Randcastle Extrusion System, Inc.
Schnader Harrison Segal & Lewis LLP
Sorkin David
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