Apparatus for feeding synthetic resin powder to screw extruder

Details Apparatus for feeding synthetic resin powder to screw extruder Apparatus for feeding synthetic resin powder to screw extruder

1983-05-25

1984-12-04

Jenkins, Robert W.

Agitating

Rubber or heavy plastic working

With specified feed means

366139, 406 23, 406 33, 425145, 222 71, B29B 500

Patent

active

044861001

ABSTRACT:
An apparatus for the feeding of powderous resin material to a vacuum hopper is improved by providing at least one vertical pipe-line portion between the resin tank and the vacuum hopper, and disposing a flow restricting element such as an orifice in this pipe-line portion.

REFERENCES:
patent: 3258296 (1966-06-01), Funk
patent: 3694037 (1972-09-01), Feder
patent: 3989308 (1976-11-01), Zimmermann
patent: 4249877 (1981-02-01), Machen
patent: 4379663 (1983-04-01), Allison

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