Solid material comminution or disintegration – Apparatus – Parallel material flow through plural comminuting zones
Patent
1979-01-22
1980-10-28
Lazarus, Richard B.
Solid material comminution or disintegration
Apparatus
Parallel material flow through plural comminuting zones
241160, 2412821, 2412921, 83341, 83349, B02C 1306, B02C 1806
Patent
active
042302811
ABSTRACT:
Continuous scrap edge trimmings are fed from a sheet metal slitter into a scrap chopper incorporating a rotor shaft supporting axially spaced and circumferentially spaced elongated straight cutting bars each having a plurality of selectable straight cutting edges. Each rotary cutting bar revolves past a stationary straight cutting bar also having a plurality of selectable straight cutting edges, and each cutting edge is positioned at a compound angle relative to planes including the axis of the rotor to produce scissor-like shearing of each strip. Each stationary cutting bar is positioned adjacent a spring biased anvil and is supported with the anvil for remote adjustment relative to the path of the corresponding cutting bars on the rotor. Each edge trimming is fed into the cutting bars by a corresponding pair of feed rollers one of which is spring biased and the other of which is independently driven by a corresponding motor.
REFERENCES:
patent: 2757927 (1956-08-01), Bach et al.
patent: 3072397 (1963-01-01), Kelchmer
patent: 3799020 (1974-03-01), Hoeimer
patent: 4114491 (1978-09-01), Hashimoto et al.
Hill Herbert M.
Shrader Donald R.
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