A method of fabricating a flexible tank is disclosed which method comprises cutting away the corners of the upper layer (12) of a flattened flexible tube (10) and cutting away the corners of the lower layer (14) of the flattened flexible tube to provide, at each corner of each layer, a rectangular cut out bounded by...

The specification discloses a filling/discharging structure (10) for a flexitank. The structure (10) comprises a main part (12) and a nut (32). The main part comprises an externally threaded spigot (20) encircled by a disc-like flange (22). The flange and nut have concentric patterns of ribs and grooves. The grooves...