Hollow wall carton corner arrangement

Claim 1

In a reinforced, interlocking, corner construction arrangement for a hollow wall carton formed from a unitary blank of foldable paperboard, the combination of: a. a bottom wall; b. opposed pairs of hollow first and second side walls upstanding from said bottom wall and joined to each other at the corners of said carton to form a tray open at the top; c. each of said side walls being hollow and comprising: i. an outer panel foldably connected at its lower edge to a related side edge of said bottom wall; ii. a top panel foldably connected at its outer edge to the upper edge of said outer panel; iii. an inner panel foldably connected at its upper edge to the inner edge of said top panel; iv. a retaining flap foldably connected at its outer edge to the lower edge of said inner panel, and disposed in full-face engagement with said bottom wall; d. a first corner flap foldably connected at one edge to an end of said first wall inner panel, and having a reinforcing panel foldably connected thereto along a side edge extending normal to said one edge thereof; e. a second corner flap foldably connected at one edge to an end of said second wall outer panel, and having a reinforcing panel foldably connected thereto along a side edge extending normal to said one edge thereof; f. said first corner flap being folded normal to said first wall inner panel and being secured in full-face engagement to the inner surface of said second side wall outer panel; g. said first corner flap reinforcing panel being interposed between the inner and outer panels of said second side wall to provide added rigidity for said second side wall; h. said second corner flap being folded normal to said second wall outer panel and being secured in full-face engagement to the inner surface of said first side wall outer panel; i. said second corner flap reinforcing panel being interposed between the inner and outer panels of said first side wall to provide added rigidity for said first side wall.