Lock bottom carton

Details Lock bottom carton Lock bottom carton

1978-03-07

1979-03-06

Moorhead, Davis T.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 41B, B65D 510

Patent

active

041426665

ABSTRACT:
A carton includes bottom flaps that, upon erection of the carton, fold inwardly and interlock to form a strong lock bottom carton ready for immediate loading without the aid of fastening means. The structure allows the carton to be used as a retripper whereby the bottom flaps are folded inwardly as the carton is collapsed to a flat, shipping state with the relation between the interlocked flaps being such as to allow ready return of the lock bottom condition upon re-erection of the carton.

REFERENCES:
patent: 732071 (1903-06-01), Hartrampf
patent: 2879934 (1959-03-01), Flynn
patent: 3229891 (1966-01-01), Edelman
patent: 3549081 (1970-12-01), Nelson
patent: 3801001 (1974-04-01), Taylor
patent: 4040560 (1977-08-01), Grossman
patent: 4062487 (1977-12-01), Bliss

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