Angled-rib blocking slab for pulpwood grinder

Details Angled-rib blocking slab for pulpwood grinder Angled-rib blocking slab for pulpwood grinder

1995-02-06

1996-09-17

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Rotating comminuting surface

B02C 428

Patent

active

055560431

ABSTRACT:
A blocking slab is used in a grinding chamber of a pulpwood grinder having a rotatable grindstone. The pulpwood grinder is suitable for reducing wood into pulp and objectionable shims and shives. The blocking slab includes a retaining side extending the length of the grindstone for permitting the passage of pulp. The blocking slab also includes a plurality of ribs forming a collecting channel proximate the retaining side and extending the length of the grindstone for collecting shims and shives therein. The plurality of ribs are angled for directing the shims and shives collected in the collecting channel toward the ends of the grindstone thus providing further reduction of the shims and shives.

REFERENCES:
patent: 3627213 (1971-12-01), Thumm
patent: 3734419 (1973-05-01), Cryderman
patent: 4595150 (1986-06-01), Aario

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