Solid material comminution or disintegration – Apparatus – Including means applying fluid to material
Reexamination Certificate
2007-04-03
2007-04-03
Rosenbaum, Mark (Department: 3725)
Solid material comminution or disintegration
Apparatus
Including means applying fluid to material
C241S065000, C241S166000, C241S236000
Reexamination Certificate
active
11063964
ABSTRACT:
The sheet shredder includes a cutter block pair equipped with plural cutter discs arranged in parallel with each other at a specified distance, cutting units to cut sheets by rotating the cutter discs of the cutter block pair in the different directions respectively, guide plates to guide cut pieces of sheets cut by the cutter discs in the specified direction, and grooves provided at the sides opposite to the cutter discs of the guide plates to lead out stickum adhered to the cutter discs or the guide plates pursuant to the sheet cutting operation.
REFERENCES:
patent: 2770302 (1956-11-01), Lee
patent: 4688730 (1987-08-01), Dahle
patent: 5636801 (1997-06-01), Kroger
patent: 0 607 564 (1994-07-01), None
patent: 0 607 564 (1994-07-01), None
patent: 2002-192002 (2002-07-01), None
Inoue Jun-ichi
Kato Takuji
Kabushiki Kaisha Toshiba
Pillsbury Winthrop Shaw & Pittman LLP
Rosenbaum Mark
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