Frozen food package and cover lid

Details Frozen food package and cover lid Frozen food package and cover lid

1987-01-21

1988-08-30

Foster, Jimmy G.

Receptacles

Closures

Removable closure retained by ductile in situ deformation

150 55, 206527, 229 25R, 426107, B65D 134, B65D 4310

Patent

active

RE0327395

ABSTRACT:
A frozen food package having an easily removable and replaceable dome lid for permitting reconstitution of the frozen food either in a conventional or a microwave oven. The dome lid has an annular seating flange overlapping and disengageably locked onto the rim of a rigid bottom tray by locking ribs spaced around the flange and engaged under the tray rim. A thumb notch recess is so located in the dome lid seating flange as to permit direct engagement therethrough of the tray rim by a person's thumb along with simultaneous engagement by the fingers on the same hand with the dome lid flange at the region of an adjacent locking rib thereon. A positive separating force thereby can be applied to the tray and lid to quickly and easily unlock and separate them from one another without damage to either.

REFERENCES:
patent: 3347409 (1967-10-01), Burns
patent: 3675811 (1972-07-01), Artz
patent: 3902540 (1975-09-01), Commisso
patent: 3904074 (1975-09-01), Hoffman et al.
patent: 3935962 (1976-02-01), Schubert et al.
patent: 3955710 (1976-05-01), Commisso
patent: 4013798 (1977-03-01), Goltsos
patent: 4061241 (1977-12-01), Retelny
patent: 4132344 (1979-01-01), Jewell
patent: 4146170 (1979-03-01), Medendorp
patent: 4183446 (1980-01-01), Davis
patent: 4375862 (1983-03-01), Kurinsky et al.

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