Disc screw extruder with free-floating operating member

Details Disc screw extruder with free-floating operating member Disc screw extruder with free-floating operating member

1996-03-04

1997-02-04

Cooley, Charles E.

Agitating

Rubber or heavy plastic working

Rotating and reciprocating stirrer

366 82, 425190, 4253824, B29B 742

Patent

active

055990967

ABSTRACT:
The disc screw extruder employs a free-floating operating member that is so constructed as to attain substantially stable axial positions within the extruder chamber. The disc component cooperates with confronting surfaces to define inner and outer throat zones, extending along the lead-in and lead-out sections of the disc component, the thicknesses of the flow paths through both of the throat zones decreasing in the outward direction of the extruder.

REFERENCES:
patent: 2780834 (1957-02-01), Bernhardt
patent: 2810159 (1957-10-01), Teichmann
patent: 3002229 (1961-10-01), Friedrich
patent: 3452398 (1969-07-01), Siegel
patent: 3728053 (1973-04-01), Stillhard et al.
patent: 4477242 (1984-10-01), Eichlseder et al.

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