Envelopes – wrappers – and paperboard boxes – Paperboard box – With closure for an access opening
Patent
1992-02-20
1993-04-20
Shoap, Allan N.
Envelopes, wrappers, and paperboard boxes
Paperboard box
With closure for an access opening
229919, 229DIG11, 206509, B65D 504
Patent
active
052034941
ABSTRACT:
A stackable package for storing fruit or like objects is in the form of a tray, carton or case (1) with a pair of panel supports (6) provided adjacent each end wall. The panel supports (6) substantially bear the weight of like packages positioned thereabove when a stack of packages is formed. The panel supports have a pair of protrusions (8) on the upper edge thereof and a pair of recess (14) adjacent the lower edge thereof wherein the protrusions can be positioned in the recesses of a package positioned thereabove when two or more packages are stacked. So that a stiff protrusion is provided, the panel support is formed from dual arch corrugated board having two layers of corrugated board joined at the protrusions. The wedge-shaped protrusions (8) thus produced can be readily indexed in adjacent recesses (18) in the base of a carton stacked above and in top lid apertures (23, 24) in the closed and open positions.
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McDonald Christopher
Printpac-UEB Limited
Shoap Allan N.
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