Envelopes – wrappers – and paperboard boxes – Paperboard box – With closure for an access opening
Patent
1995-05-11
1997-05-06
Shoap, Allan N.
Envelopes, wrappers, and paperboard boxes
Paperboard box
With closure for an access opening
2291982, B65D 506
Patent
active
056262850
ABSTRACT:
An otherwise conventual paperboard blank for forming a gable top carton is provided with a cutout at a bottom corner of the first sidewall forming panel of a five panel blank. The bottom portions of the blank are conventionally folded to form a carton bottom end closure. The sideseam panel is tapered at one end due to a previous skiving operation. After localized heating of certain panel surfaces and upon folding the blank to initially form a tube, with the sideseam forming panel overlying an edge portion of the first panel (conventional procedures), the cutout coincides with the removed portion of the sideseam panel which forms the tapered end, to thus prevent unwanted adhesion between the first panel and the second panel.
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Blackman Joseph
Tedford, Jr. Richard A.
Doyle Michael J.
International Paper Company
McDonald Christopher J.
Shoap Allan N.
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