B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 5/10 (2006.01) B65D 5/46 (2006.01)
Patent
CA 2245682
A wrapper-type box for transporting a sandwich. The box is formed from a one-piece flat blank of stiff but foldable cardboard. The blank has a main part with a plurality of parallel fold lines which divide the main part into four adjacent side walls. The main part is folded about the fold lines to assume an elongate tubular body of rectangular configuration. An edge flap and a top wall overlap and have cooperating locking tabs and slots to secure the main part in an assembled condition. The edge flap also has a looplike handle formed therein. The one-piece blank also includes a pair of flaps associated with and projecting outwardly from each end. To effect closure of the end of the tubular body, the pair of flaps are folded inwardly into the box interior through a sufficient angle so that a tab on one flap passes over the other flap and projects into a slot provided on the other flap. The manual folding force is released, and the memory of the flaps causes the flaps to swing outwardly and effectively engage the tab within the slot and lock the flaps together.
Hanna David M.
Speese Scott
Arvco Container Corporation
Kirby Eades Gale Baker
LandOfFree
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