Machine for the extrusion of thermoplastic polymers and the like

Agitating – Rubber or heavy plastic working – Stirrer is through-pass screw conveyor

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366 88, 366301, 366323, 425204, 425205, B01F 708

Patent

active

052659550

ABSTRACT:
A machine for manufacturing thermoplastic polymers including a plurality of coaxial components adjacent to and made integral with one another, the components forming a longitudinal chamber receiving a pair of interacting shafts having portions correspondingly differentiated to provide sections for feeding and premixing the compound, thus forming a single assembly with coaxial components capable for carrying out full processing of the compound from the raw material to extrusion, without discontinuity of sequence.

REFERENCES:
patent: 3070836 (1963-01-01), De Haven et al.
patent: 3143767 (1964-08-01), Wirth et al.
patent: 3305894 (1967-02-01), Boden et al.
patent: 3501807 (1970-03-01), Selbach
patent: 3575382 (1971-04-01), Loomans
patent: 3711067 (1973-01-01), Kovacs
patent: 3764114 (1973-10-01), Ocker
patent: 4025058 (1977-05-01), Mizuguchi
patent: 4073013 (1978-02-01), Blach
patent: 4423960 (1984-01-01), Anders
patent: 4534652 (1985-08-01), Stade
patent: 4663103 (1987-05-01), McCullough et al.
patent: 4744669 (1988-05-01), Kowalczyk et al.
Plastics Engineering 40(1984) Apr., No. 4, Brookfield Center, Conn. pp. 27 to 30 vol. 9., No. 124 (M-383) (1847) May 29, 1985.

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