FIELD: manyfacture of multilayer pressure plastic pipes. SUBSTANCE: multilayer pressure pipe 20 formed with use of conical extruder which is made with possible cross orientation of reinforcing fibers in extruded material in successive layers 21, 22, 23, 24. Extruded material is used in the form of polyolefin which contains long fiber reinforcing particles. EFFECT: increased strength of plastic pipes. 9 cl, 2 dwg, 2 tbl
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