Feed unit for an extruder

Details Feed unit for an extruder Feed unit for an extruder

B - Operations, Transporting

29

C

18/729

B29C 47/10 (2006.01) B29C 47/50 (2006.01) B29C 47/58 (2006.01)

Patent

CA 1318758

ABSTRACT OF THE DISCLOSURE An extruder having a barrel with a central passageway, which passageway journals a single rotating extruder screw with flight thereon. The extruder screw has a feed section, a transition section and a metering section with the metering section discharging the extruder melt. The extruder barrel has an opening at the feed section that receives a deflector member that is located between such opening and the hopper that receives the plastic material to be processed for feeding into the central passageway for conveyance and working by the extruder screw. The deflector member means has a progressively restrictive inlet that cooperates with the flights of the extruder screw to draw in the plastic material fed thereinto. 8472a

601948

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