FIELD: production of pipes.
SUBSTANCE: the invention is dealt with the field of production of pipes. Invention represents a pipe containing its butt end tips with a sealing inner layer on them and a layer of composite material enveloping it. The pipe is made with an inner coating out of a composite material and with installed on it the butt end tips made multiple-staged and out of a polyamide. The pipe sealing inner layer is made out of a melt of a polymeric ribbon reeled on the inner coating and a some of stages of the end tips, and the layer of the composite material is fixed with the rest stages of the butt end tips. The pipe is defined by manufacturability of its structure and reliability.
EFFECT: the invention ensures improved manufacturability and reliability of the pipe structure.
1 dwg
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