Package bag expanding device

Details Package bag expanding device Package bag expanding device

1997-08-05

1998-06-16

Sipos, John

Package making

Apparatus for forming or partially forming receptacle and...

Forming by opening or setting up collapsed receptacle

533841, 53390, B65B 4314

Patent

active

057653380

ABSTRACT:
A package bag expanding device includes a box and a pivotable cover which has a hole defined therethrough. A frame includes two first rods and a second rod respectively extending laterally therefrom. At least one package bag has two holes defined therethrough, a recess defined in an upper edge thereof and an opening defined therein below the holes. The two first rods extend through the two holes and the second rod is received in the recess. A pressing mechanism is fixedly disposed to one of two side walls of the box and includes an arm pivotally connected thereto which has a distal end rested on a periphery defining the opening of the package bag.

REFERENCES:
patent: 2759648 (1956-08-01), Piazze
patent: 3491514 (1970-01-01), Burford
patent: 3740922 (1973-06-01), Liou
patent: 5440863 (1995-08-01), Toya
patent: 5551219 (1996-09-01), Wei
patent: 5655352 (1997-08-01), Murakami
patent: 5657619 (1997-08-01), Fujikawa

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