| 摘要 |
A flexible tank for liquids includes a wall having at least two layers each formed of a tubular segment free of longitudinal seams. The ends of the tubular segments are sealed with a transverse seam. A first of the layers which forms a liner of the tank is in contact with the liquid to be stored and is made of a thin, flexible foil. The liner is surrounded by a supporting layer which is made of tear-resistant material. The preferred liner is made of a tubular polyethylene foil sealed at both ends by hot welding and the preferred supporting layer material is a tubular polypropylene fabric which has no longitudinal seams. The tank can hold large amounts of liquid at a relatively low weight, can be easily transported and can be used in wilderness areas in camps for water or fuel storage.
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