Continuous extruder for thermosetting resins

Details Continuous extruder for thermosetting resins Continuous extruder for thermosetting resins

1975-08-14

1977-05-24

Aegerter, Richard E.

Plastic article or earthenware shaping or treating: apparatus

Projection

259 6, 259DIG2, 259DIG7, 259DIG18, 425204, B29B 110

Patent

active

040250580

ABSTRACT:
A continuous extruder for thermosetting resins comprising two screws received in a cylinder so as to rotate in opposite directions. Each of these screws is successively divided into a feed portion, a rotor portion and a discharge portion from the end of the cylinder where one or more material supply orifices are located. The cylinder is opened at the opposite end so as to mount a die. The outside of the cylinder is surrounded by jackets for controlling temperature.

REFERENCES:
patent: 1518129 (1924-12-01), Banbury
patent: 2615199 (1952-10-01), Fuller
patent: 3078511 (1963-02-01), Street
patent: 3085288 (1963-04-01), Street
patent: 3305894 (1967-02-01), Boden et al.
patent: 3734468 (1973-05-01), Cheng et al.
patent: 3904719 (1975-09-01), Fritsch
patent: 3923291 (1975-12-01), Matsuoka et al.

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