Plasticating extruder screw conveyors

Details Plasticating extruder screw conveyors Plasticating extruder screw conveyors

1981-09-16

1983-06-14

Hornsby, Harvey C.

Agitating

Rubber or heavy plastic working

Stirrer is through-pass screw conveyor

366295, 366318, 425208, B29B 110

Patent

active

043879977

ABSTRACT:
A plasticating extruder in which the screw conveyor includes an inner backfeed passage communicating with the channel established by the main flight of the screw conveyor and a solids-directing flight for directing unplasticated material into the backfeed passage and segregating already-plasticated material from the unplasticated material in the channel.

REFERENCES:
patent: 3698541 (1972-10-01), Barr
patent: 3924842 (1975-12-01), Klein et al.

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