Reduced wear plasticating extruder screw conveyors

Details Reduced wear plasticating extruder screw conveyors Reduced wear plasticating extruder screw conveyors

1982-09-28

1984-09-18

Jenkins, Robert W.

Agitating

Rubber or heavy plastic working

Stirrer is through-pass screw conveyor

366 91, 366 99, 366293, B01F 708, B28B 106

Patent

active

044720599

ABSTRACT:
A plasticating extruder screw conveyor includes multiple primary flights and corresponding multiple secondary flights defining multiple channels on the screw conveyor arranged about the longitudinal axis of the screw conveyor such that radial components of forces between the screw conveyor and unplasticated material located in the channels are substantially balanced so as to reduce to a minimum any resultant radial force upon the screw conveyor and any concomitant lateral deflection of the screw conveyor, thereby reducing or eliminating excessive vibration, wear or galling of the screw conveyor.

REFERENCES:
patent: 3375549 (1968-04-01), Geyer
patent: 3866890 (1975-02-01), Tadmor
patent: 3867079 (1975-02-01), Kim
patent: 3924842 (1975-12-01), Klein
patent: 4290702 (1981-09-01), Klein
patent: 4387997 (1983-06-01), Klein
"The Solids Draining Screw: A New Twist for Extrusion" Plastic Engineering, Oct. 1979.

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