Plural compartment carton food tray with improved corner construction

Abstract

A plural compartment carton tray is constructed from a blank. The inner compartments are integrally interconnected and arranged in side-by-side relation to provide the carton blank with an exterior periphery having spaced exterior corners. At least two of the exterior corners having a gusset wall panel integral with adjacent side wall panels along two end fold lines extending in angularly related relation with respect to one another. The side wall panels are folded along the side fold lines in the same direction into an erected position while each of the gusset wall panels is folded along the associated angularly related end fold lines in opposite directions with respect to the associated pair of adjacent side wall panels so as to bring each gusset wall panel into surface-to-surface abutting relation with an end portion of one of the associated pair of adjacent side wall panels defined by one of the associated two end fold lines. An adhesive serves to adhere each gusset wall panel in surface-to-surface abutting relation with the associated one side wall end portion to thereby form a sealed integral corner construction between the adjacent side wall panels.