Solid material comminution or disintegration – Processes – Miscellaneous
Patent
1984-06-13
1986-04-08
Rosenbaum, Mark
Solid material comminution or disintegration
Processes
Miscellaneous
241 94, 241262, 241283, 241DIG30, B02C 100
Patent
active
045807329
ABSTRACT:
The invention relates to a shredding apparatus for use in shredding a material mass into a plurality of discrete particles. The principal components includes a shredding screen and wiper blades. The wiper blade include a semi-rigid blade having its lower end in firm contact with said shredding screen. Reciprocating means is fixed to the shredding screen means to provide reciprocating motion of the shredding screen relative to said wiper blade. The reciprocating means produces a length of travel of said shredding screen at least equal to the space between an adjacent pair of wiper blades. Each of said wiper blades are parallel to each other and to a first set of spaced parallel bars. A second set of spaced parallel bars are substantially perpendicular to the first set of spaced parallel bars thereby forming a plurality of openings having a predetermined cross-sectional area substantially equal to the required cross-sectional area of said discrete particles. During each pass of the reciprocating motion the lower edge of each wiper blade repeatedly slides along the top of a bar of said first set of spaced parallel bars, snaps downward towards the second set of spaced parallel bars.
REFERENCES:
patent: 656297 (1900-08-01), Morris
patent: 2854932 (1958-10-01), Rochowiak et al.
patent: 4013232 (1977-03-01), Broughton
Parker Sheldon H.
Rosenbaum Mark
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