Refiner plate groove configuration

Details Refiner plate groove configuration Refiner plate groove configuration

1990-08-31

1991-09-10

Hastings, Karen M.

Solid material comminution or disintegration

Apparatus

Comminuting elements

B02C 712

Patent

active

050466720

ABSTRACT:
A refiner plate for a pulp refiner in which a sub-groove is provided in the refiner grooves, the sub-groove extending inwardly in the plate from the bottom of the refiner groove. The refiner plate is useful for shortening long fibers in a pulp slurry without treating short fibers present in the slurry.

REFERENCES:
patent: 108422 (1970-10-01), Wohlenberg
patent: 4039154 (1977-08-01), Peterson

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