Envelope processing machine and method

Details Envelope processing machine and method Envelope processing machine and method

1980-05-30

1982-06-08

Yost, Frank T.

Package making

Apparatus for forming or partially forming receptacle and...

Forming by opening or setting up collapsed receptacle

53386, 834042, 83912, 414412, B65B 4330

Patent

active

043333001

ABSTRACT:
The present invention provides a machine and method wherein envelopes are removed from a supply hopper, one by one, and then transmitted to a plurality of sequentially disposed cutting stations wherein one end edge of the envelope is first severed, and thereafter an adjacent side edge of the envelope is severed. The envelope with two adjacent edges thus severed is transmitted to a processing station at which the envelope is opened and held open by suction cups, for removal of contents by an operator. The envelope is thereafter transmitted to a detector station to confirm content removal and then to a recovery station, and then to a point of discharge. Means is provided for adjusting the opening of the suction cups at the processing station, and stop means is provided for positioning the envelope as it reaches the processing station. The envelope is transmitted toward the processing station in horizontal disposition, and in one form of the invention at the processing station it is repositioned into angular disposition prior to the gripping action of the suction cups.

REFERENCES:
patent: 3143100 (1964-08-01), Krupotich
patent: 3384252 (1968-05-01), West
patent: 3691726 (1972-09-01), Stephens et al.
patent: 3927589 (1975-12-01), Emkjer et al.
patent: 3979884 (1976-09-01), Russell
patent: 4159611 (1979-07-01), Russell
patent: 4233800 (1980-11-01), Long et al.
patent: 4262471 (1981-04-01), Russell

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