Collapsible tray

Details Collapsible tray Collapsible tray

1981-03-04

1982-07-20

Ross, Herbert F.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 41B, B65D 524, B65D 546

Patent

active

043401694

ABSTRACT:
A paperboard tray and a blank therefor is disclosed which is collapsible to form a carton. More specifically, the subject tray may be collapsed and sealed to hold a product and may then be subsequently opened and reformed into a tray for use in serving or cooking. A pair of handle flanges are provided defining carrying handles when the tray is opened and for structurally rigidifying the tray and preventing its inadvertent collapse.

REFERENCES:
patent: 2443431 (1948-06-01), Ringler
patent: 3289914 (1966-12-01), Lange-Wiehe
patent: 3386644 (1968-06-01), Zachluni
patent: 3904106 (1975-09-01), Elder
patent: 4088261 (1978-05-01), Osborne
patent: 4191323 (1980-03-01), Welinger
patent: 4214695 (1980-07-01), Cooper
patent: 4306658 (1981-12-01), Montealege

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