Carton with bottom lock

Details Carton with bottom lock Carton with bottom lock

1988-01-21

1988-08-16

Marcus, Stephen

Envelopes, wrappers, and paperboard boxes

Paperboard box

Including a polygonal, nonrectangular wall

229145, 229146, 229149, 229152, 229902, B65D 528, B65D 542

Patent

active

047638320

ABSTRACT:
A carton for food products or the like comprises a combination lid and tray with a bottom locking means for securing the lid and tray when the carton is closed. The bottom locking means comprises a locking tongue integral with an extended portion of the lid component which engages a locking slot formed in the bottom of the tray component. The locking tongue comprises a tab element formed as a part of a flap foldably attached to an extension of the front wall of the lid. The locking slot comprises a cut out formed substantially along the fold line between the bottom wall and front wall of the tray.

REFERENCES:
patent: 3899119 (1975-08-01), Roccaforte
patent: 3968922 (1976-07-01), Ruud
patent: 4232816 (1980-11-01), Johnson et al.
patent: 4289491 (1981-09-01), Callura et al.
patent: 4339068 (1982-07-01), Brauner
patent: 4360147 (1982-11-01), Brauner
patent: 4428525 (1984-01-01), Brauner
patent: 4570845 (1986-02-01), Hall

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