FIELD: machine building.
SUBSTANCE: invention can be used for creation of pipeline in different fields of engineering, for instance in construction, communal services and in metal mining industry at transportation of polluted waste water, loose products, pulps, mountain mass and other liquids, containing solid phase. Pipe is implemented of multilayer composite - fibrous material. It is formed in the form of alternating mono-layers with transversal and longitudinal folding of reinforcing material, impregnated by binding. In structure of pipe material it is provided protective inner layer, which allows reduced content of binding and particularly is impregnated by longitudinal fibers as compared with other layers of pipe. Mono-layers of protective layer are oriented in longitudinal section of pipe by direction to its axis under acute angle to direction of flow of relocatable bodies.
EFFECT: there is increased durability of pipe ensured by increasing of hydroabrasive durability.
6 cl, 3 dwg
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