Apparatus for plasticizing and extruding plastic material

Details Apparatus for plasticizing and extruding plastic material Apparatus for plasticizing and extruding plastic material

1980-02-13

1981-09-15

Jenkins, Robert W.

Agitating

Rubber or heavy plastic working

Stirrer is through-pass screw conveyor

198666, B29B 110

Patent

active

042894093

ABSTRACT:
Multi-stage apparatus for plasticizing and extruding plastic material comprising a first extruder having a first screw, a planetary roller unit and a second extruder having a second screw, the second screw receiving its drive from the first screw via the planetary roller whereby a speed increase or reduction is obtainable between the two extruder screws depending upon the particular arrangement and tooth ratio of the planetary roller unit.

REFERENCES:
patent: 2785438 (1957-03-01), Willert
patent: 3310837 (1967-03-01), Wittrock
patent: 3825236 (1974-07-01), Hussmann
patent: 4176967 (1979-12-01), Brinkmann
patent: 4192617 (1980-03-01), Spielhoff

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