Importance

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Abstract

A bulk container of substantially uniform cross-sectional area throughout its height is formed by so folding a single rectangular piece of woven fabric as to provide a bottom wall, four side walls extending from the bottom wall, and four rectangular corner flaps each extending between adjacent side walls. Each corner flap is folded into four triangular portions, the first and second portions being folded against the surfaces of the corresponding side walls, the third portion being folded against the surfaces of the first and second portions, and the fourth portion being folded against the surface of the third portion. Lifting loops are mounted at the corners at the upper edges of the side walls, each loop having two legs disposed intermediate and overlying the fourth portion and the first and second portions of the corresponding corner flap. The side edges of adjacent side walls are stitched together and the legs of each lifting loop are connected to the corresponding corner flap by stitching passing through the legs and all portions of the flap.

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First Claim