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MULTILAYER PIPELINE IN A POLYMER MATERIAL, DEVICE FOR MANUFACTURING OF THE MULTILAYER PIPELINE AND A METHOD FOR MANUFACTURING THE MULTILAYER PIPELINE

A multilayer pipeline (1) which includes at least an inner fluid-tight ply (11) which consists of a first thermoplastic polymer material: – an inner fiber-reinforced thermoplastic polymer ply (14) which includes a wrapped fiber reinforcement, and which surrounds the inner fluid-tight ply: – a first intermediate ply (13) which consists of a second thermoplastic polymer material – an outer fiber reinforced thermoplastic polymer ply (12) which includes a wrapped fiber reinforcement, wherein at least one of the inner fiber-reinforced thermoplastic polymer ply (14) and the outer fiber-reinforced thermoplastic polymer ply (12) includes a the least one fiber-containing layer (14a-b, 14c-d; 12a-b, 12c-d) and one reinforcement-free layer (14c, 14f, 12c, 12f) A machine assembly (30) for producing the multilayer pipeline (1) and a method of producing the multilayer pipeline (1).

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