Envelopes – wrappers – and paperboard boxes – Paperboard box – With closure for an access opening
Patent
1988-04-14
1989-12-05
Elkins, Gary
Envelopes, wrappers, and paperboard boxes
Paperboard box
With closure for an access opening
229185, B65O 510
Patent
active
048847410
ABSTRACT:
A shipping container and blank therefor are provided wherein the container is particularly suitable for accommodating a wide variety of produce. The container includes a pair of opposed upright side panels and a pair of opposed upright end panels, said pairs being interconnected by first foldlines. Major closure flaps are connected by second foldlines to the side panels and extend therefrom towards one another in a closing mode. Minor closure flaps are connected by third foldlines to the end panels and extend therefrom towards one another in a closing mode and at least partially overlap exterior surfaces of the major closure flaps. Each major closure flap is provided with a pair of relatively spaced locking slots. Each slot is provided with an elongated first segment spaced from an adjacent end panel and extending from a second foldline at an acute angle away from the adjacent end panel, and a second segment obliquely disposed relative to said first segment and spaced a predetermined distance from the second foldline. Each minor closure flap has a peripheral segment thereof opposite a third foldline provided with a pair of notches which define said peripheral segment into a pair of outer tabs. When the major and minor closure flaps are in a closing mode, the outer tabs are inserted through corresponding slots in the major closure flap and effect interlocking of the minor closure flaps thereto.
REFERENCES:
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patent: 2361603 (1944-10-01), Cohen et al.
patent: 2663491 (1953-12-01), Hill et al.
patent: 4279377 (1981-07-01), Peeples et al.
patent: 4291827 (1981-09-01), Mulroy
patent: 4367840 (1983-01-01), McFadden
patent: 4583678 (1986-04-01), Weimer, Jr.
patent: 4650112 (1987-03-01), Booth
patent: 4702408 (1987-10-01), Powlenko
Elkins Gary
Packaging Corporation of America
LandOfFree
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