FIELD: oil and chemical industry. SUBSTANCE: pipe line comprises sealing shell 1 and load-carrying shell 2. The sealing shell is multilayer and provided with flat reinforcing members 4 and layers of binder 5 welded together. Members 4 are made of a high-strength heat-resistant polymeric film the softening temperature of which is higher than that of polymeric binder 5. EFFECT: enhanced reliability. 2 dwg
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