Foam sandwich package

Details Foam sandwich package Foam sandwich package

1976-08-25

1979-01-02

Price, William

Envelopes, wrappers, and paperboard boxes

Paperboard box

Box material includes a coating or a nonpaperboard...

150 05, 206519, 220 4B, 220306, 229 44R, 229 45R, B65D 134, B65D 566

Patent

active

041323440

ABSTRACT:
A foam sandwich package having a dish section and a cover section and a latching mechanism comprising a forwardly projecting latching tongue extending into a latching aperture. The tongue is biased forwardly by the dish section and the aperture is formed in the cover portion. The dish section may be hingedly connected to the cover section, and score lines in the hinge section may be so arranged that they assist in maintaining a bias of the latching tongue forwardly.

REFERENCES:
patent: 3217963 (1965-11-01), Alsman
patent: 3292810 (1966-12-01), Schecter
patent: 3511433 (1970-05-01), Andrews et al.
patent: 3552635 (1971-01-01), Martens
patent: 3687350 (1972-08-01), Warburton
patent: 3786982 (1974-01-01), Rakes et al.
patent: 3851789 (1974-12-01), Case et al.
patent: 3876130 (1975-04-01), Haase
patent: 3902540 (1975-09-01), Commisso
patent: 3968921 (1976-07-01), Jewell
patent: 3984027 (1976-10-01), Smith

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