METHOD FOR APPLYING PROTECTIVE COATING TO INNER SURFACE OF PIPELINE Russian patent published in 2001 - IPC

FIELD: construction engineering; pipeline construction and repair. SUBSTANCE: drum with flexible hose is located in sealed chamber where opening for feeding working agent is made. Chamber is joined to precombustion chamber installed on pipeline. Initial part of hose is sealed, turned out, and fastened. Tore is mounted in precombustion chamber for feeding initial turned out part of hose; space in front of tore is filled with adhesive. Tore and hose are introduced into pipeline under action of working agent pressure. Adhesive moistens fabric hose and inner surface of pipeline whereto hose is pressed by tore. EFFECT: enlarged range of auxiliary facilities. 1 dwg