Egg carton

Envelopes – wrappers – and paperboard boxes – Paperboard box – Box material includes a coating or a nonpaperboard...

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Details

229 25R, B65D 8532

Patent

active

047829958

ABSTRACT:
A moulded container for frangible articles comprising a tray formed with rows of cavities, a cover hinged to the tray along a hinge line, the cavities being of lesser cross section adjacent their bottom than their top whereby the outside walls of the adjacent cavities merge in hollow posts therebetween, said tray having a continous rim along its front edge, said cover having a continuous rim along its front edge, the continuous rim of the cover meeting the continuous rim of the tray when the cover is closed upon the tray, at least one of said hollow posts adjacent the front edge of the tray being a locking post, said locking post extending above the front rim of the tray and having side walls that merge with said rim of said tray, a front face that slopes rearwardly of the rim, and a catch opening formed in its front face, said lid being formed with an inwardly extending latch adapted to underlie the upper edge of said catch opening of said locking post and a support lip adapted to overlie the top of said locking post when the cover is closed upon the tray, the latch and support lip being separated by an opening formed in the front face of the cover.

REFERENCES:
patent: 2873057 (1959-02-01), Friday
patent: 2970734 (1961-02-01), Heath
patent: 3000528 (1961-09-01), Kuhl et al.
patent: 3217963 (1965-11-01), Alsman
patent: 3655110 (1972-04-01), Eisenbach
patent: 3672693 (1972-06-01), Weir
patent: 3749235 (1973-07-01), Boursier
patent: 3771712 (1973-11-01), Richards
patent: 4059219 (1977-11-01), Reifers et al.
patent: 4383638 (1983-05-01), Bixler
patent: 4463894 (1984-08-01), Daines

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