Apparatus for performing a three-way sort

Classifying – separating – and assorting solids – Adhesion – Coated surface or mass

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Details

209 75, 2091116, 2091117T, 250223R, 250226, 356173, B07C 5342

Patent

active

040969495

ABSTRACT:
Apparatus for three-way sorting of particles in a singulated particle stream is characterized by a viewing assembly including a first and a second classifying section each respectively classifying each particle passing therethrough according to first and second predetermined physical characteristics, such as opaqueness and color, and generating an appropriate classification signal representative thereof. The classification signals so generated are transmitted through an appropriate signal delay circuit to actuator circuits which actuate ejector elements. Actuation of the appropriate ejector in response to a classification signal directs certain of the particles exhibiting the first and the second physical characteristics out of the singulated stream and into respective collection receptacles while others of the particles are permitted to pass unimpeded to a separate collection area. An electronic circuit associated with each ejector actuator permits actuation of only one of the ejectors in the event that a particular particle within the stream has been classified for ejection by both the classifying sections.

REFERENCES:
patent: 3565535 (1971-02-01), Monell
patent: 3619612 (1971-11-01), Belke et al.
patent: 3802558 (1974-04-01), Rhys
patent: 3914601 (1975-10-01), Hoover et al.
patent: 3980180 (1976-09-01), Jamieson

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