B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 71/70 (2006.01)
Patent
CA 2120881
The disclosure herein describes a stackable tray which is formed of a body of rigid plastic material with a bottom wall integrally formed with opposite side walls and front and rear walls; each side wall is provided with an upper edge flange which is engageable in a recessed area defined in the lower edge of a superposed similarly constructed tray. The location of the recessed area with respect to the upper edge flange is such as to force outwardly the side walls during stacking engagement thus causing internal stresses in the bottom wall which counteract the sagging which occurs when loads are supported on the bottom wall.
Beauchamp Maurice
Lanoue Michel
Goudreau Gage Dubuc
Ipl Inc.
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