Comminuting apparatus for sheet material or sheet material layer

Details Comminuting apparatus for sheet material or sheet material layer Comminuting apparatus for sheet material or sheet material layer

1984-03-28

1986-12-02

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

241293, B02C 1816

Patent

active

046259252

ABSTRACT:
The cutting arrangement for a paper shredder consists of two cutting rolls with interengaging star-shaped cutting discs. The points of the teeth of the cutting wheels extend approximately up to the groove base of the grooves adjacent cutting discs on the other roll. The cutting rolls, which in each case are arranged synchronized "tooth to gap" have an effective intersection surface relative to one another the real overlap between them which is substantially smaller in area than the overall theoretical intersection surface, i.e. the lenticular overlap between the outer peripheral circles of the cutting discs.

REFERENCES:
patent: 1980193 (1934-11-01), Finegan
patent: 3396914 (1968-08-01), Liebman
patent: 3860180 (1975-01-01), Goldhammer

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