Locking carton bottom

Details Locking carton bottom Locking carton bottom

1985-10-29

1987-03-17

Price, William

Envelopes, wrappers, and paperboard boxes

Paperboard box

With closure for an access opening

229156, B65D 510

Patent

active

046501126

ABSTRACT:
A carton for produce and the like has a bottom closure provided by pairs of major flaps and minor flaps hingedly connected to the carton body side walls and end walls, respectively. The major flaps have L-shaped slots cutout adjacent each end of the major flap, each slot providing a pair of generally perpendicular slot legs with one leg terminating adjacent the hinge line connecting the major flap to a side wall of the carton body and the other leg extending longitudinally of the major flap to provide a locking edge generally parallel to such hinge line with the edge terminating at an end abutment. Each minor flap has a fold line segregating an end portion of the minor flap and a cutout segment disposed centrally along the outer end of such end portion, this segment defining spaced locking corners at its opposite ends with projecting tabs on the end portion disposed laterally of the segment ends. With the major flaps folded inwardly to lie in a common plane, the tabs of the end portion of each minor flap are inserted through the L-shaped slots of the major flaps until the locking corners of the cutout segment lockingly engage with the end abutments of the locking edges of the L-shaped slots in the major flaps.

REFERENCES:
patent: 1997667 (1935-04-01), Woerner, Jr.
patent: 2339224 (1944-01-01), Shina
patent: 2361603 (1944-10-01), Cohen et al.
patent: 2990993 (1961-07-01), Buttery
patent: 4279377 (1981-07-01), Peeples et al.
patent: 4367840 (1983-01-01), McFadden

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