Classifying – separating – and assorting solids – Sifting – Endless belt sifters
Patent
1998-08-31
2000-07-04
Bollinger, David H.
Classifying, separating, and assorting solids
Sifting
Endless belt sifters
209308, 2093665, 209367, 209400, B07B 110
Patent
active
060825510
ABSTRACT:
A vibration-type screening machine capable of screening loose material with a significantly enhanced efficiency includes a stationary base frame, a pair of upstanding side plates supported on the stationary base frame through spring suspensions and disposed substantially in parallel with each other so as to extend longitudinally of the screening machine, a plurality of sieve mesh supporting rollers rotatably mounted between the upstanding side plates, an endless sieve mesh web disposed between the upstanding side plates with an upper span section thereof being supported on the plurality of sieve mesh supporting rollers so that the endless sieve mesh web can endlessly move in a direction longitudinally of the screening machine from a loading port toward a discharging port, a driving unit moving endlessly the endless sieve mesh web, and an eccentric rotating vibrating mechanism disposed at a position near to the loading port and operatively coupled to the pair of upstanding side plates so that the sieve mesh supporting rollers and the upper span section undergo vibration, being driven by the eccentric rotary vibrating mechanism. The loose material loaded into the machine is caused to move on and along the upper span section of the endless sieve mesh web from the loading port toward the discharging port with undersize passing through the upper span section to be discharged laterally.
REFERENCES:
patent: 3254766 (1966-06-01), Anderson
patent: 4120785 (1978-10-01), Kanamori et al.
patent: 4146483 (1979-03-01), Lee
patent: 4692240 (1987-09-01), Arbuthnot et al.
Bollinger David H.
Kyushu Screen Co., Ltd.
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