Packaging

Details Packaging Packaging

1991-07-15

1993-01-26

Elkins, Gary E.

Envelopes, wrappers, and paperboard boxes

Paperboard box

Having means to facilitate opening the box by severing box...

206815, 229126, 229162, 229900, 229DIG8, B65D 542

Patent

active

051816520

ABSTRACT:
In a method of emptying from a case a compressible load consisting of carton blanks, prongs penetrate through preformed perforations in opposite side walls of the case and push the load away from those walls, an upper portion of the case is partially severed by knives along respective paths at those walls, other cuts are formed across the top wall along the other two side walls of the case, suction cups pull away that upper portion, the load is received between support fingers, the load and the lower portion of the case are turned through 180 degrees in a vertical plane, the inverted lower portion is removed from the load by suction cups, and a gripping head seizes the load and removes it from between the support fingers.

REFERENCES:
patent: 1472661 (1923-10-01), Mengel
patent: 1751170 (1930-03-01), Parker
patent: 2075259 (1937-03-01), Battjes
patent: 2319909 (1943-05-01), Young
patent: 2326683 (1943-08-01), Ross
patent: 2618887 (1952-11-01), Frankenstein
patent: 2719664 (1955-10-01), Hester
patent: 2724539 (1955-11-01), Schenk
patent: 2772827 (1956-12-01), Rafoth et al.
patent: 3197110 (1965-07-01), Neuman et al.
patent: 3580476 (1971-05-01), Cannon et al.

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