Integral tray and cover with snap lock

Details Integral tray and cover with snap lock Integral tray and cover with snap lock

1979-08-20

1981-11-03

Shoap, Allan N.

Receptacles

Closures

Removable closure retained by ductile in situ deformation

220 74, 220339, 229 25R, B65D 634, B65D 4310, B65D 4314

Patent

active

042981336

ABSTRACT:
A foam plastic disposable tray and cover typically used for take-out dinners at fast food establishments. The tray and cover are joined by an integral hinge along one side edge. At a location remote from the hinge, tabs and undercut tab seats are formed in the tray and cover respectively that releasably latch the cover in a closed position on the tray.

REFERENCES:
patent: 3001665 (1961-09-01), Tomarin
patent: 3303964 (1967-02-01), Luker
patent: 3452896 (1969-07-01), Elliot
patent: 3620411 (1971-11-01), Rump
patent: 3633785 (1972-01-01), Cyr et al.
patent: 3675811 (1972-07-01), Artz
patent: 3684633 (1972-08-01), Haase
patent: 4132344 (1979-01-01), Jewell

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