Carton with automatic lock

Details Carton with automatic lock Carton with automatic lock

1983-09-20

1985-05-14

Moy, Joseph Man-Fu

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 39R, 229 43, 229 44R, 229 45R, B65D 522

Patent

active

045167184

ABSTRACT:
A carton for food products or the like comprises a combination lid and tray with an automatic locking means for securing the lid and tray when the carton is closed. The automatic locking means consists of one or more locking tongues integral with the tray component which engage one or more locking slots formed in the lid component. The locking tongues include locking posts and shoulders which become engaged behind locking tabs formed by the locking slot when the carton is closed. The locking tongues remain exposed above the top of the lid when the carton is closed where they may be readily removed or released to open the carton.

REFERENCES:
patent: 3105626 (1963-10-01), McCormick et al.
patent: 3226005 (1965-12-01), Paige
patent: 4042166 (1977-08-01), Selin et al.
patent: 4232816 (1980-11-01), Johnson et al.

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