FIELD: machine building.
SUBSTANCE: one of proposed system is used to implement proposed method. Proposed method comprises unfolding tubular insert along pipeline inner surface. First casing swab with through bore is fitted into pipeline front end for tubular insert to be inserted there through. Then, mortar is forced between said insert and pipeline inner surface. Second casing swab is displaced in tubular insert to distribute mortar between said insert and pipeline and to displace first piston ahead second one from pipeline front end to rear end.
EFFECT: higher quality of coating.
16 cl, 26 dwg
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