Pre-tearing device for dry plates of wood pulp

Details Pre-tearing device for dry plates of wood pulp Pre-tearing device for dry plates of wood pulp

1974-10-22

1976-02-17

Custer, Jr., Granville Y.

Solid material comminution or disintegration

Apparatus

Rotary striking member with feed or discharge conveyor or...

241189R, 241280, 241294, B02C 1814, B02C 1822

Patent

active

039387461

ABSTRACT:
A pre-tearing device for producing coarse flour out of bale plates of flake-dried wood pulp. The pre-tearing device comprises a feeding device for the plates and a rotating cylinder the surface of which is provided with spikes. The feeding device is arranged to feed the plates to be torn against the surface of the tearing cylinder in a direction that deviates from a direction perpendicular to the surface of the tearing cylinder. The spikes are arranged on the cylinder surface as two spirals rotating in opposite directions in relation to each other.

REFERENCES:
patent: 1013509 (1912-01-01), Nelson
patent: 2150984 (1939-03-01), Near et al.
patent: 2559701 (1951-07-01), Becker
patent: 3436028 (1969-04-01), Koehhen
patent: 3825192 (1974-07-01), Knight

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