Extruder screw

Details Extruder screw Extruder screw

1985-02-15

1989-01-17

Coe, Philip R.

Agitating

Rubber or heavy plastic working

Stirrer is through-pass screw conveyor

366 79, B29B 106

Patent

active

047984732

ABSTRACT:
An extruder screw designed to operate in a continuous diameter barrel-type housing having a variable flight width, helix angle and radical clearance along the length of the extruder screw to reduce extruder screw induced power consumption and stock temperature generation in the manufacture of linear low density polyethylene plastics.

REFERENCES:
patent: 3388196 (1968-06-01), Farrell
patent: 3635445 (1972-01-01), Schwab et al.
patent: 3905588 (1975-09-01), Reinhart
patent: 3949973 (1976-04-01), Bishop et al.
patent: 4129386 (1978-12-01), Rauwendaal
patent: 4240755 (1980-12-01), Frankland, Jr.
patent: 4321229 (1982-03-01), Blakeslee, III et al.
patent: 4329313 (1982-05-01), Miller et al.

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