Reinforced bottom bag

Claim 1

A bag including a flexible tubular body, the tubular body having a pair of generally rectangular wall panels foldably connected along opposite edges, a pair of rectangular bottom panels foldably connected together along adjoining edges and foldably connected to the lower edges of said rectangular wall panels, a rectangular reinforcing panel, said reinforcing panel having an outer periphery substantially equal to the inner periphery of said tubular body, said reinforcing panel having a width substantially equal to the combined widths of said bottom panels, means securing an edge of said reinforcing panel to one of said bottom panels and lying in face contact with the rectangular wall panel to which said one bottom panel is foldably connected when said bag is in flat form, said reinforcing panel being folded to overlie said securing means in face contact therewith when said wall panels are folded into rectangular open position and holding said wall panels in substantially right angular relation to said bottom panels and holding side portions of said wall panels in right angular relation to the intermediate portions of said side wall panels.