FIELD: construction materials.
SUBSTANCE: invention relates to the field of construction materials, in particular to the production of tight and heat-insulating tanks for cryogenic fluid medium. Impermeable wall of reservoir includes two perpendicular to each other sets of parallel wave-shaped corrugations. At the intersection, each of the two intersecting corrugations is made interrupted with the formation on both sides of symmetrical smooth curves turning into flat sections, wherein interruptions of crimps of different directions alternate in staggered order.
EFFECT: providing compliance of a reservoir wall for perception of temperature deformations without destruction due to arrangement of a stack of the reservoir with corrugations of optimum shape and their mutual arrangement at providing the possibility of performing stamping of such wall for one operation.
13 cl, 11 dwg
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