FIELD: manufacture of reinforced plastic pipes; erection of pipe lines for transportation of liquid and gaseous media. SUBSTANCE: plastic pipe has inner and outer layers made from thermoplastic material with reinforcing filler laid between them; filler is made from polymer or mineral material in form of continuous filaments embedded in outer surface of inner layer and in inner surface of outer layer. EFFECT: facilitated procedure of manufacture of plastic pipes. 2 dwg
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Authors
Dates
2003-05-27—Published
2001-02-19—Filed