Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1996-10-10
1999-01-26
Bollinger, David H.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
209585, 209587, 209639, 209644, 209939, B07C 500
Patent
active
058629190
ABSTRACT:
The sorting system provides a high degree of sorting accuracy even in high throughput sorting applications such as high speed wood chip sorting. In one embodiment, a sorting apparatus (10) includes a shaker (12) for distributing stock material, a spectrographic analyzer (14) for identifying unacceptable material in a product stream, an ejector (16) for diverting unacceptable material from the product stream, a three-zone sorting receptacle (18) and a recirculating system (20) for returning a selected portion of the sorter output for an additional pass by the analyzer (14) and ejector (16). The three-zone sorting receptacle (18) divides the product stream into an accept portion, a rejection portion, and an ambiguous portion including both acceptable product and unacceptable material. The ambiguous portion is re-sorted for improved accuracy at high throughput levels.
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Bollinger David H.
SRC Vision, Inc.
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