Ultrasonic screening system

Details Ultrasonic screening system Ultrasonic screening system

1996-05-06

1998-09-01

Terrell, William E.

Classifying, separating, and assorting solids

Sifting

Elements

209379, 209381, B07B 142, B07B 150

Patent

active

057997993

ABSTRACT:
A device for screening cohesive material, and for eliminating screen blinding, is disclosed. The device includes a transducer for transmitting ultrasonic frequency throughout the screen surface, with the transducer supported independently of the screen in order to prolong screen life and to lower screen replacement costs. The transducers are provided with adjustable mounting means in order to adjust the transducer position with respect to the screen.

REFERENCES:
patent: 3490584 (1970-01-01), Balamuth
patent: 4693879 (1987-09-01), Yoshimura et al.
patent: 5143222 (1992-09-01), Monteith
patent: 5386169 (1995-01-01), Dubruque
patent: 5398816 (1995-03-01), Senapati

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