Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1984-12-12
1986-12-30
Reeves, Robert B.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
53502, 177 25, 364567, 364571, B07C 528
Patent
active
046322540
ABSTRACT:
A method of operating an article sorting machine automatically adjusts weight cutoff values defining size grades to compensate for variations in weight distribution of the articles. The method comprises the steps of monitoring the actual average weight of the articles classified into each size grade, periodically comparing the actual average weight of the articles classified into each size grade to values indicative of the desired average weight of the articles classified into each size grade, and modifying ones of the weight cutoff values if the actual average weight of the articles classified into selected ones of the size grades differs from the desired average weight of the articles to be classified into the selected ones of the size grades.
REFERENCES:
patent: 4106628 (1978-08-01), Warkentin
patent: 4336853 (1982-06-01), Hirano
patent: 4413739 (1983-08-01), Kohashi
patent: 4482061 (1984-11-01), Leverett
patent: 4483047 (1984-11-01), Linville, Jr.
Hajec Donald T.
Pennwalt Corporation
Reeves Robert B.
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