Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1991-03-04
1992-07-21
Hajec, Donald T.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
533815, 209900, 271 2, 271 33, 414418, B07C 508
Patent
active
051315459
ABSTRACT:
A method and apparatus for extracting the contents of envelopes, each of which has been opened along at least one edge and has an opposite edge which is unopened. The envelopes are successively projected with their unopened edges leading, against an adhesive surface of a travelling belt. The belt is subsequently oriented so that the envelopes are suspended therefrom and the belt is simultaneously vibrated to cause the contents of the envelopes to migrate downwardly and leave the envelopes. The contents are conveyed in an orderly fashion on a belt conveyor and formed into a stack. The empty envelopes are stripped from the belt. The adhesive surface on the belt is formed by renewable adhesive strips.
REFERENCES:
patent: 3301116 (1967-01-01), Owen
patent: 3884010 (1975-05-01), Bardo et al.
patent: 3952874 (1976-04-01), Owen
patent: 4576287 (1986-03-01), Bingham et al.
patent: 4625497 (1986-12-01), Owen
patent: 4863037 (1989-09-01), Stevens et al.
Hajec Donald T.
Kaufman Joseph A.
Owen Tri-Cut
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