Produce tray with reinforced corner construction

Claim 1

A rectangular tray suitable for produce such as cauliflower and the like comprising: a panel blank providing pairs of opposed side and end walls hingedly connected to and extending upwardly from the edges of a bottom wall to substantially define the dimensions of said tray; a corner flap extending longitudinally from a first of said side walls, said flap being folded into a columnar configuration at the end of said side wall; a top flap extending upwardly from one of said end walls that adjoins said first side wall, said top flap being folded down to provide a partial top wall overlying said columnar configuration; a locking flap extending longitudinally from said top flap and having a holding tab on an edge thereof, said locking flap being folded down to lie along the outside of said first side wall; a slot formed on said panel blank with said holding tab being engaged in said slot to maintain said walls in the tray configuration; and retaining means cooperating with said corner flap to retain said columnar configuration disposed between said bottom wall and said partial top wall, the free edge of said corner flap being notched to accommodate said holding tab.