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Class Information
Number: 366/158.3
Name: Agitating > Having specified feed means > Agitation of material in feeder or supply reservoir > Rotatable impeller > Screw conveyor > Discontinuous screw
Description: Subject matter wherein the helical blade is interrupted along its length.

Patents under this class:

Patent Number Title Of Patent Date Issued
7014447 Extruder for welding plastic components Mar. 21, 2006
5577839 Device for charging injection molding and extruding machines and having a funnel provided with pins passing through clearances in a feed worm Nov. 26, 1996
5249860 Material mixer Oct. 5, 1993
5209563 Dust return system May. 11, 1993
5017124 Biomass briquetter May. 21, 1991

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