Bark processing machine

Details Bark processing machine Bark processing machine

1983-05-17

1984-10-09

Bray, W. D.

Presses

With drain means for expressed liquid

Drainage through or along pressure surface

100150, 144208R, B30B 906

Patent

active

044754523

ABSTRACT:
A bark processing machine comprising a cylindrical tube with a driven screw disposed therein has a helical member on the screw formed by a plurality of highly abrasion-resistant and interchargeable segments. Preferably the segments have a stepped seat co-operating with a stepped seat on the pressure side of a base member of helical form welded to the core of the screw, the segments being secured to the base member by screws.

REFERENCES:
patent: 2335819 (1943-11-01), Upton
patent: 3877365 (1975-04-01), Berggren
patent: 4357665 (1982-11-01), Knuth et al.

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