Package and apparatus for making

Details Package and apparatus for making Package and apparatus for making

1994-12-27

1995-10-10

Coan, James F.

Package making

Methods

Opening only

533759, 533811, 53254, 53463, 53557, B65B 5100, B65B 5302

Patent

active

054560594

ABSTRACT:
An improved machine is disclosed for stacking a plurality of flat objects. The improved machine for stacking is suitable for use with a packaging machine such as a shrink wrap packaging machine for packaging the plurality of flat objects with a heat shrinkable film. An input conveyor individually conveys each of the plurality of flat objects to the stacker. The stacker forms a vertical stack of the flat objects from the plurality of flat objects. The stacker may be used in conjunction with a wrapper to form the heat shrinkable film into a film tube with the vertical stack of flat objects disposed therein. An input oven transport transfers the vertical stack of flat objects to a heat shrink oven to form a heat shrink package thereby. The invention is also incorporated into a shrink wrap package having an electrostatic seal enabling an operator to twist the heat shrink package to fracture the electrostatic seal for removing the stack of flat objects therefrom.

REFERENCES:
patent: 1653908 (1927-12-01), Hunt
patent: 1988307 (1935-01-01), Fay
patent: 2556214 (1951-06-01), Pottle
patent: 2590128 (1952-03-01), Sandberg
patent: 2668403 (1954-02-01), Rumsey, Jr.
patent: 3445056 (1969-05-01), McCollough
patent: 3743118 (1973-07-01), Fluck
patent: 3858380 (1975-01-01), Schmechel
patent: 4089459 (1978-05-01), Huard
patent: 4338768 (1982-07-01), Bauestrazzi
patent: 5076440 (1991-12-01), Drummond

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