Extruder

Details Extruder Extruder

1987-03-06

1988-10-11

Nozick, Bernard

Plastic article or earthenware shaping or treating: apparatus

With separate and distinct upstream agitating or kneading means

With separate and distinct gas withdrawal chamber

366 75, 366 88, A01J 1700

Patent

active

047767847

ABSTRACT:
A mixing apparatus for mixing thermoplastic compounds wherein the mixing body has a pair of parallel chambers with a pair of rotors rotatably journaled therein. Such mixer has at least one bore communicating the parallel chambers with atmosphere to vent gases from the central bore. A rotatable screw is mounted in the bore which upon rotation continuously feeds the mixed thermoplastic material back into the chambers but allows the gases generated to be vented out of such bore.

REFERENCES:
patent: 3287477 (1966-11-01), Vesilind
patent: 3445890 (1969-05-01), Heston et al.
patent: 4380397 (1983-04-01), Hashizume
patent: 4452750 (1984-06-01), Handwerk et al.

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