Rotary extruder

Details Rotary extruder Rotary extruder

B - Operations, Transporting

29

C

18/725

B29C 47/52 (2006.01) B29C 47/08 (2006.01)

Patent

CA 1230717

Abstract Rotary extruder apparatus is provided comprising housing (22), recess (29) within housing (22), cylin- drical rotor (30) rotatably mounted within recess (29) in housing (22), feed inlet (25), discharge outlet (52) providing fluid communication between recess (29) and diehead (26), in combination with gear pump (160) adapted to increase the pressure of material received from discharge outlet (52). Knurled rotor (30), undercut feed inlet (25), segmented rotor shafts (18, 18'), thrust rings (109, 109') made of dissimilar metals, and circumferentially spaced cartridge heaters (63) in housing (22) are also disclosed.

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