Classifying – separating – and assorting solids – Precedent preparation of items or materials to facilitate... – Sorting special items or sorting by methods and apparatus...
Patent
1989-06-08
1991-10-08
Huppert, Michael S.
Classifying, separating, and assorting solids
Precedent preparation of items or materials to facilitate...
Sorting special items or sorting by methods and apparatus...
533811, 83912, 414412, 414417, B07C 502
Patent
active
050546201
ABSTRACT:
An apparatus for extracting contents from a plurality of envelopes comprises a device for severing edge portions of the envelopes and for discharging the edge-severed envelopes serially and one at a time, and a device for extracting the contents from the edge-severed envelopes including a pair of conveyor belts which diverge from a nip for receiving the edge-severed envelopes from the severing device, and vacuum ports cooperating with the conveyor belts to separate faces of the envelopes from one another, and a device for separating contents from the separated faces of the envelopes, for discharge from the apparatus. Also a device for receiving the separated contents and envelope faces, and for testing them to verify that only effectively extracted contents are passed on for further processing.
REFERENCES:
patent: 2806614 (1957-09-01), Butz
patent: 3116718 (1964-01-01), Krupotich et al.
DeWitt Robert R.
Lile William R.
Mitchell Paul
Stevens Albert F.
Huppert Michael S.
Opex Corporation
Wacyra Edward M.
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