Rotary extruder with internally heated rotor

Details Rotary extruder with internally heated rotor Rotary extruder with internally heated rotor

1989-12-19

1991-07-23

Jenkins, Robert W.

Agitating

Rubber or heavy plastic working

Stationary mixing chamber

366147, B29B 108, B01F 1506

Patent

active

050338617

ABSTRACT:
A rotor assembly for use in a rotary extruder, comprising a rotor rotatably mounted inside a barrel by means of drive and free end bearing assemblies; a coaxial longitudinal bore extending into the rotor from its free end; a conduit disposed within the bore defining a longitudinally extending annulus therebetween; and rotatable means providing fluid communication between a heating medium inlet and the rotor bore through the longitudinally extending annulus, and between the annulus and a heating medium outlet through the conduit.

REFERENCES:
patent: 4067553 (1978-01-01), Yamaoka
patent: 4082488 (1978-04-01), Brinkschroder
patent: 4734240 (1988-03-01), Chung

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