FIELD: repair practice. SUBSTANCE: method involves introducing tubular woven shell coated with flexible synthetic polymer into pipeline, driving it deeper into pipeline by turning it inside out by surplus pressure and securing the turned-out shell on pipeline surface with a binder. Woven tubular shell is made of fiberglass with metal thread which forms loops standing out above fabric surface. Shell is coated with synthetic polymer based on fluoroplastic material or compositions thereof so that protruding metal thread loops are fully embedded into layer of polymer. EFFECT: higher efficiency. 2 dwg
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