Electrostatic separation and classification apparatus

Details Electrostatic separation and classification apparatus Electrostatic separation and classification apparatus

1994-10-07

1996-08-06

Bollinger, David H.

Classifying, separating, and assorting solids

Electrostatic

2091274, 209128, B03C 700

Patent

active

055425437

ABSTRACT:
There is disclosed an electrostatic separation and classification apparatus (20) which includes a pair of electrode unit mechanisms (21, 22) having spaced electrodes (28, 29), insulative endless belts (30, 31) covering opposite surfaces of the electrodes (28, 29) and opposed to each other for feeding in circulation, and deposit scratching members (38, 39) remote from a position in which an electrostatic field produced between the electrodes (28, 29) works and in contact with outer surfaces of the endless belts (30, 31) throughout their width, respectively, thereby increasing the rate of operation and safety.

REFERENCES:
patent: 924032 (1909-06-01), Blake et al.
patent: 1222305 (1917-04-01), Kraus
patent: 2174681 (1939-10-01), Bartlett
patent: 2217444 (1940-10-01), Hill
patent: 2428224 (1947-09-01), Johnson et al.
patent: 3031079 (1962-04-01), Boss
patent: 3970546 (1976-07-01), Webb et al.
patent: 4341744 (1982-07-01), Brison et al.
patent: 4797201 (1989-01-01), Kuppers et al.

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