Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1997-05-09
1999-07-20
Nguyen, Tuan N.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
209900, 271 314, B07C 502
Patent
active
059245760
ABSTRACT:
A method for sorting items of mail according to the sequence of delivery points in delivery runs. The sorting process takes place in a number of successive sorting operations, sorting runs. Sorting takes place according to sequence number of the delivery points within the delivery runs during the last sorting run but one, and according to delivery run during the last sorting run. During said last sorting run, a suitable number of sections of a sorting apparatus have been reserved for each delivery run, and each delivery run is subdivided into as many segments, e.g. four. The items of mail for the first segment of a delivery run, in the example for the first quarter of the sequence numbers, are deposited in the first of the sections reserved for said delivery run, those for the second segment in the second section, and so forth. Upon completion, the items of mail for a delivery run are collected by placing the delivery segments in succession.
REFERENCES:
patent: 5009321 (1991-04-01), Keough
patent: 5353938 (1994-10-01), LaGrange et al.
Koninklijke PTT Nederland N.V.
Michaelson Peter L.
Nguyen Tuan N.
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