Extraction device

Details Extraction device Extraction device

1981-12-02

1984-02-07

Feldman, Peter

Presses

With drain means for expressed liquid

Drainage through or along pressure surface

100150, B30B 914

Patent

active

044296282

ABSTRACT:
An extraction device for extracting liquids from liquid-solid mixtures comprising a screw rotatable in a barrel the screw having at least one flight helically disposed thereon to define the screw thread, the flight having gaps formed therein, the gaps being dimensioned so as to correspond to the diameter of pins extending radially through the barrel towards the screw axis, the pins having axial bores formed therein for the discharge of liquid the bores being open in the direction of the axis of the screw. The bores are connected to a liquid discharge network.

REFERENCES:
patent: 1333249 (1920-03-01), Fiddyment
patent: 2997943 (1961-08-01), Zies
patent: 4024168 (1977-05-01), Homann et al.
patent: 4199263 (1980-04-01), Menges et al.

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