Agitating – Rubber or heavy plastic working – Stirrer is through-pass screw conveyor
Patent
1983-08-23
1986-03-04
Woo, Jay H.
Agitating
Rubber or heavy plastic working
Stirrer is through-pass screw conveyor
366323, 425203, B30B 1122, B30B 1124
Patent
active
045737991
ABSTRACT:
A screw- or worm-type degassing extrusion device wherein a pin region is provided to increase throughput of the mixture to be extruded, such increased throughput being maintained and utilized to provide an adequate pressure for, for example, a tool by locating the pin region immediately upstream of the degassing region and by increasing the diameter of the cylinder or barrel of the extrusion device in the degassing and discharge regions compared with its diameter in the pin region.
REFERENCES:
patent: 3525124 (1970-08-01), Ocker
patent: 3664795 (1969-07-01), Heinz et al.
patent: 3868093 (1975-02-01), Sokolow
patent: 4178104 (1979-12-01), Menges et al.
patent: 4185060 (1980-01-01), Ladney, Jr.
patent: 4287157 (1981-09-01), Koch
patent: 4423960 (1984-01-01), Anders
Heitbrink Timothy W.
Hermann Berstorff Maschinenbau GmbH
Woo Jay H.
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