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US 5,289,971 AGranted
One piece carton blank
AssigneeInland Container Corporation
InventorJack A. McClure
Life of this patent
Estimating the term…
Abstract
A carton with triple-thickness sidewalls formed from a one-piece unitary blank includes sidewalls and endwalls extending from a floor. Lid members extending from the endwalls cover the carton interior and arrangements for locking the lids in a closed position is provided. The sidewalls and endwalls are interlocked with a locking post arrangement to prevent pull-out.
Claims3
A one-piece blank apparatus foldable to produce a carton having triple layer sidewalls, comprising:
- a floor panel having two pairs of opposed sides;
- a pair of outer sidewall panels having hand hole portions defining hand holes;
- means for hingedly connecting the outer sidewall panels to opposed sides of said floor panel;
- endwall panels hingedly connected to a second pair of opposed sides of said floor panel;
- inner side wall panels extending from opposed sides of each said endwall panel;
- intermediate side wall panels coupled to said inner side wall panels, with said intermediate sidewall panels located between said inner sidewall and said outer side wall panels;
- hinge walls coupling said intermediate side and inner side panels together;
- lid panels in serial succession with said end wall panels and said floor panel;
- and
- a dust flap hingedly connected in series with one said lid panel, with said one lid panel located between said dust flap and one said end wall.
7 more elements
Dependencies are inferred from the claim text.