Cutting device for reducing waste material

Details Cutting device for reducing waste material Cutting device for reducing waste material

2006-10-24

2006-10-24

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Apparatus

Comminuting surface provided with openings to permit...

C241S242000

Reexamination Certificate

active

07124969

ABSTRACT:
A cutting device for reducing waste material comprises at least two groups of knives mounted on a shaft, next to one another, installed rotatably in front of an anvil. The groups of knives, each operating in a restricted zone of the width of supply each comprises several splitting knives to split the waste material mainly according to the sense of supply of the waste material. Each comprises at least one chopping knife intended to cut the waste material mainly across the sense of supply of the waste material to be cut. The chopping knives of the groups of knives situated next to one another are mounted on the shaft, shifted with respect to one another, so that each of them affects the waste material at a different time and place. A calibrating sieve filters the free discharge of the shreds and contributes to a supplementary (secondary and tertiary) cutting.

REFERENCES:
patent: 3658265 (1972-04-01), Johnson
patent: 5320293 (1994-06-01), Laly et al.
patent: 5544826 (1996-08-01), Klingler et al.
patent: 5779167 (1998-07-01), Wagstaff
patent: 3827767 (1989-08-01), None
patent: 0785026 (1997-07-01), None
patent: 2785205 (2000-05-01), None
patent: WO 01/64018 (2001-09-01), None

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