Patent ID: 7197997
Filing Date: 2007-04-03
Classification: B63B,B65D,D06N

Abstract:
1. A method of fabricating a large flexible fluid containment vessel for the transportation and/or containment of cargo comprising a fluid or fluidisable material, said method comprising: forming an elongated flexible tubular structure comprised of fabric having a first circumference; rendering said tubular structure impervious; forming a front end and a rear end; sealing said front end and said rear end; providing means for filling and emptying said vessel of cargo; weaving the front end or the rear end of the tubular structure with warp and weft fibers or yarns, having a taper that terminates in a second circumference that is less than the first circumference, which includes one or more of the following steps of gradually eliminating warp yarns or fibers in a sequential manner as the tapered end is woven or drawing in the warp fibers or yarns as the tapered end is woven.