METHOD OF PLASTIC PIPE MANUFACTURE Russian patent published in 2003 - IPC

Abstract RU 2197387 C2

FIELD: technology of plastic pipe manufacture from plastic materials with reinforcement; applicable in manufacture of polymer pipelines for transportation of liquid and gaseous media. SUBSTANCE: method includes heating of external surface of internal thermoplastic layer, application of reinforcing filler from polymer or mineral material in the form of continuous threads by winding and tensioning, and application of external layer. Reinforcing filler is applied directly after heating of external surface to internal thermoplastic layer. External layer is made of thermoplastic material which is applied to heated external surface of internal layer. EFFECT: higher efficiency.

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RU 2 197 387 C2

Authors

Pepeljaev V.S.

Dmitriev V.A.

Vavilov A.A.

Lavrov S.B.

Aliev Rakhim Rakipovich

Dates

2003-01-27Published

2001-02-19Filed