Multivented twin-screw extruder

Details Multivented twin-screw extruder Multivented twin-screw extruder

1977-02-01

1977-12-20

Coe, Philip R.

Agitating

Rubber or heavy plastic working

With specified vent means

159 2E, 366 83, B29B 110

Patent

active

040637174

ABSTRACT:
A gaseous phase disengaging apparatus for a liquid phase process material contaminated with a substance of lower boiling point comprising a twin screw extruder through which the raw feed is passed and within which the feed is repetitively spread over the apparatus inside surfaces and thereafter recombined, which apparatus is provided with paired raw material supply inlets and gaseous phase vent ports maintained in continuous communication therebetween during screw rotation.

REFERENCES:
patent: 3371379 (1968-03-01), Reifenhauser
patent: 3612141 (1971-10-01), Ocker
patent: 3630689 (1971-12-01), Wheeler et al.
patent: 3992500 (1976-11-01), Kruder et al.

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