Patent ID: 7585266

Claim:
A method of manufacturing a container, the method comprising: unrolling a flat sheet of a master web roll of a plastic material; thermally bonding a pair of handles to a front side of the flat sheet; indexing the flat sheet to form a plurality of panels on the flat sheet; and cutting and sealing the flat sheet to form a flexible container comprising 1) a base portion including a bottom, side walls, and an interior, the side walls being defined by at least two sheets of flexible material sealed along two edges and defining two side seams located on opposite sides of the base, the base including two triangular portions each triangular portion extending from the bottom to a side seam, and 2) an upper panel portion, that is designed to be received within the interior of the base portion and includes side panels that define a closure member, wherein the pair of handles and upper panel are thermally sealed to the interior of the base portion.