Screw extruder for reducing the volume of materials

Details Screw extruder for reducing the volume of materials Screw extruder for reducing the volume of materials

1984-01-04

1986-07-08

Woo, Jay H.

Agitating

Rubber or heavy plastic working

Stirrer is through-pass screw conveyor

264176R, 4251311, 425381, 425204, 366 76, B29B 718, B29B 720

Patent

active

045990026

ABSTRACT:
The screw extruder has a casing (2-6) formed from several casing members (1) and in it are mounted screws (14) formed from screw members (10, 11). Between the casing members (3-6) are arranged orifice plates (19), which block the passage of the screws (10) with the exception of a restricted gap. A gear (26) is provided for driving the screw (10, 11). The screw shafts (12, 13) extend through the gear (26) and are supported on a thrust bearing, fixed by means of tie rods (25) to the casing (1). As a result of this construction, the screw press can be used for processing widely differing materials, without any significant modifications. Any liquid is removed by suction and the resulting solids are dried and can be briquetted by a shaping head.

REFERENCES:
patent: 3327346 (1967-06-01), Blomet et al.
patent: 4107787 (1978-08-01), Ocker
patent: 4178104 (1979-12-01), Menges et al.
patent: 4185057 (1980-01-01), Rossiter et al.
patent: 4395427 (1983-07-01), Fischer et al.

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