METHOD OF REPAIR AND REPLACEMENT OF OUTER INSULATION OF MAIN PIPE LINES AND INSULATING MACHINE FOR REALIZATION OF THIS METHOD

摘要

FIELD: erection and repair of main pipe lines. SUBSTANCE: traveling frame of device used for applying the insulating mastic and winding the tape on pipe line is provided with rotor fitted with cleaning brushes which also perform final cleaning of outer surface of pipe line immediately before applying the insulating mastic. EFFECT: improved quality and enhanced reliability due to improved adhesion of mastic to pipe line. 3 cl, 2 dwg