Presses – With drain means for expressed liquid – Drainage through or along pressure surface
Patent
1982-02-08
1984-04-03
Feldman, Peter
Presses
With drain means for expressed liquid
Drainage through or along pressure surface
100145, B30B 914
Patent
active
044400764
ABSTRACT:
A system for improving the operating efficiency of screw presses which express fluids from fibrous material. This system includes a plurality of worm sections and collars and a hollow main shaft. Fluids are allowed to pass into the hollow shaft through one or more screen bar sections, fitted over the collars. The area of the collar housing beneath the screen bars is generally funnel-shaped toward the longitudinal rotational axis of the shaft, having a drain opening near the apex of the funnel configuration to allow expressed fluids to exit into the hollow drive shaft or into a conduit therein. The worm flights may include hardened wear resistant inserts in the outer peripheral surface which may be integrally cast into the worm section. The worm sections which mate to form a single divided worm may be identical and therefore reversible to reduce production and inventory costs. As part of this system for improving efficiency, these dividable worms are now removable separately through the side of the press after the cage has been removed.
REFERENCES:
patent: 3980013 (1976-09-01), Bredeson
patent: 3998148 (1976-12-01), Mainka et al.
patent: 4223601 (1980-09-01), Knuth et al.
Feldman Peter
Malin Eugene F.
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