Continuous press

Presses – With drain means for expressed liquid – Drainage through or along pressure surface

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Details

100148, B30B 916

Patent

active

044998228

ABSTRACT:
In a continuous press of a screw blade type, a driving shaft is rotatably secured to a frame by means of thrust bearings at both ends of the driving shaft, a screw drum having an increasing diameter towards center is disposed around the driving shaft to rotate therewith, a pair of screw blades are helically arranged around the screw drum symmetrically with respect to the center of screw drum, and an outer drum having a number of small filtering holes is arranged around the screw blades. A pair of inlets for introducing raw materials to be pressed are provided at both ends of the outer drum and an outlet from which the pressed raw materials are discharged is also provided in the outer drum at its center. Since repelling forces applied to the screw blades are cancelled each other, no thrust force is applied to the driving shaft and the bearing.

REFERENCES:
patent: 3224739 (1965-12-01), Schuur
patent: 3939763 (1976-02-01), Sato
patent: 3991668 (1976-11-01), De Mitt et al.
patent: 4003304 (1977-01-01), Reinhall

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