FIELD: construction and repair of pipelines without stopping product transport. SUBSTANCE: defective surface of pipeline is made ready for repairs; flaw cavities are filled with paste-like hardening material; adhesive is applied to pipeline surface to winding material, the latter is wound on pipeline defective area followed by hardening of adhesive. Rolled glass-fiber plastic pre-overlapped at least on one side by polyolefin adhesive-active film is used as winding material; adhesive used in said method has viscosity of maximum 1500 cP. EFFECT: improved post-repair reliability of pipeline. 2 cl
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Authors
Dates
2001-12-27—Published
2000-07-13—Filed