Round undulating blade and blade module for shredder

Details Round undulating blade and blade module for shredder Round undulating blade and blade module for shredder

2006-05-16

2006-05-16

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Apparatus

Comminuting elements

C241S236000

Reexamination Certificate

active

07044410

ABSTRACT:
The present invention relates to a round undulating blade for shredder, where a sheet metal is integrally formed into a round undulating blade to serve as the blades for constructing a blade module. The blade includes: a periphery; an undulating blade flank including at least two cambers having a first curvature and at least two cambers having a second curvature alternatively arranged with respect to the cambers having the first curvature; and hooked edges formed on the periphery of the cambers having the first curvature, wherein the undulating blade flank of the blade serves to cut paper along a longitudinal direction to form paper strips having double-tapering end, and the hooked edges serve to cut the strips along a horizontal direction into paper chips. These characteristics help to reduce the manufacturing cost, reduce the motor load and power consumption, to thereby enhance the market competitiveness.

REFERENCES:
patent: 4142689 (1979-03-01), Kemp et al.
patent: 4344580 (1982-08-01), Hoshall et al.

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