Self-locking tray

Details Self-locking tray Self-locking tray

1977-11-10

1978-05-30

Moorhead, Davis T.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

B65D 526

Patent

active

040919854

ABSTRACT:
A paperboard tray has slots and slit extensions formed in the end wall. A lock tab hinged to an end closure flap foldably attached to a side wall is received through said slot and slit extension to interlock the walls of the tray.

REFERENCES:
patent: 2138112 (1938-11-01), Means et al.
patent: 2155450 (1939-04-01), Shoemaker
patent: 2846930 (1958-08-01), Gross
patent: 3093291 (1963-06-01), Brandle
patent: 3203619 (1965-08-01), Wilson

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