Envelopes – wrappers – and paperboard boxes – Wrapper – Bottle
Patent
1977-09-26
1978-09-19
Moorhead, Davis T..
Envelopes, wrappers, and paperboard boxes
Wrapper
Bottle
229 31FS, B65D 524, F65D 522
Patent
active
041147979
ABSTRACT:
A tray-type container, particularly adapted for bakery products is disclosed which is formed with a single blank of paperboard and which comprises, when set up, a bottom wall forming panel with hingedly connected sidewall forming panels having narrow reinforcing flanges extending, in hinged relation outwardly along the top edges, the sidewall panels being held in upstanding relation to the bottom wall panel by integral web members connecting adjoining sidewall ends and folded so as to lie along an end margin of one of the connected sidewalls with an upwardly projecting locking tab on the top edge engaged in a cooperating locking slit cut on the hinge line between the one sidewall and its associated reinforcing flange.
REFERENCES:
patent: 1865635 (1932-07-01), Klein
patent: 2367410 (1945-01-01), Lighter
patent: 3008626 (1961-11-01), Lawrence
patent: 3623650 (1971-11-01), Watts
patent: 3883067 (1975-05-01), McGlynn et al.
Federal Paper Board Co., Inc.
Greenawalt Guy A.
Moorhead Davis T..
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