Solid material comminution or disintegration – Apparatus – With separation or classification of material
Patent
1981-03-09
1986-07-08
Goldberg, Howard N.
Solid material comminution or disintegration
Apparatus
With separation or classification of material
241 81, 2411017, B02C 2102, B02C 2312
Patent
active
045988757
ABSTRACT:
This invention relates to a vehicle-mounted closed circuit portable crushing and screening plant in which a plurality of units for processing material to be crushed, such as a grizzly, a primary crusher, and a secondary crusher are mounted to discharge their outputs onto the horizontal feeder portion of a dual belt conveyor-elevator having an elevator portion which receives the deposited material from the horizontal feeder portion and elevates such material to and discharges such material into the upper feed end of a vibrating screen device mounted on the vehicle. The vibrating screen device classifies the material deposited thereon for recirculation to the secondary crusher and/or for discharge as a plurality of end products of predetermined size classifications. The vibrating screen device and the dual belt conveyor-elevator are both foldable from an elevated operating position to a retracted transport or storage position. The portable crushing and screening plant of the invention has particular utility for processing of gravel or stone for commercial use, including sizing and sorting such gravel or stone, but may also be used for processing other material such as mineral ore.
REFERENCES:
patent: 2593353 (1952-04-01), Shelton, Jr.
patent: 3203632 (1965-08-01), Poynter
patent: 3805946 (1974-04-01), Yateman et al.
Bronson Larry D.
Couperus Egbert
Allis-Chalmers Corporation
Eley Timothy V.
Goldberg Howard N.
Schwab Charles L.
Streich Arthur M.
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