Press worm, especially for filter presses

Details Press worm, especially for filter presses Press worm, especially for filter presses

1978-10-04

1980-09-23

Wilhite, Billy J.

Presses

With drain means for expressed liquid

Drainage through or along pressure surface

198676, 228165, B30B 912

Patent

active

042236010

ABSTRACT:
A pressing worm or screw, especially for filter presses of the type used to press liquids from solids, e.g. oils from eatable-oil-bearing seeds, is formed with an outwardly opened groove along its flight or thread which is filled with a harder metal than the flight by deposit welding.

REFERENCES:
patent: 3890685 (1975-06-01), Runte et al.
patent: 4003115 (1977-01-01), Fisher

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