FIELD: metallurgy.
SUBSTANCE: repeatable structure is mounted that comprises alternating sheet strip and long welded flange jointed with the bearing surface so that flexed sides of the sheet strip are located nearby adjacent welded flanges. Flexed side edge with welded flange is welded using the straight weld over the first lengthwise section. Said straight weld is built up its end section being deflected toward the upper angle. Watertight end angular weld is made over the second lengthwise section of sheet strip so that the end angular weld is tightly jointed with the weld end section. Besides, this invention discloses watertight and heat-insulating vessel, the ship for transportation of cold liquid product, ship application and cold liquid product transportation system.
EFFECT: recoverable water tightness, higher strength and longer life.
17 cl, 10 dwg
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