FIELD: technological processes.
SUBSTANCE: flexible tubular moulded body part is made of a non-profiled or profiled with a straight or curved shape and contains a peripheral surface with a corrugated profile. The peripheral surface is formed from an insert to maintain strength. The insert is embedded in a thermoplastic material comprising of framework surfaces, extending in the longitudinal direction of the moulded body part as pressure-tight members, and fastening threads, extending transversely to the threads and holding them in the required position.
EFFECT: improved physical and mechanical properties of products.
6 cl, 62 dwg
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