Package making – Means to open or erect receptacle – Means to open envelope
Patent
1979-07-09
1981-10-20
Sipos, John
Package making
Means to open or erect receptacle
Means to open envelope
83912, 271276, B65B 4330
Patent
active
042953219
ABSTRACT:
An extractor for removing contents from pre-opened envelopes which have two panels connected along three side edges and contents disposed in juxtaposition therebetween comprises an envelope magazine, a vacuum feed mechanism for sequentially withdrawing envelopes from the magazine and feeding the envelopes to cutter assemblies, which severs each successive envelope along opposite side edges to separate the panels thereof along said opposite side edges. The cutter assemblies feed the envelope into a separating mechanism which includes a rotatable vacuum drum. One panel of the envelope is gripped by and moves with the rotating drum whereas the other envelope panel and the envelope contents move away from the drum in a direction generally tangent to the drum. An edge of a cover on the machine serves as a reaction surface to hold the other envelope panel and causes extraction wheels at the discharge end of the machine to exert a swiping action upon the contents to discharge the contents in one direction along a path away from the envelope. The separator drum carries the envelope away in another direction and discharges it into a holding bin disposed within a table upon which the machine is supported.
REFERENCES:
patent: 2668053 (1954-02-01), Bach
patent: 2722305 (1955-11-01), McCabe
patent: 3336028 (1967-08-01), Schonmeier
patent: 3822523 (1974-07-01), Russell et al.
patent: 3986455 (1976-10-01), Jeschke
patent: 3989577 (1976-11-01), Watson
patent: 4016708 (1977-04-01), DeHart
DeHart John R.
Majewski Robert A.
Docutronix, Inc.
Sipos John
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