METHOD OF REPAIRING MAIN PIPELINES

FIELD: pipeline engineering. ^ SUBSTANCE: method comprises welding and treating the zone of heating by means of ultrasonic shock. The damaged sections, 600 mm in length, 45 mm in width, and 5 mm in depth, are welded with overlapping of at least 20 mm from each side. The fused metal is removed flush...

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Bibliographische Detailangaben
Hauptverfasser:	EHFROS SERGEJ DAVIDOVICH, CHIPENKO MIKHAIL ZAKHAROVICH, ISTOMIN ALEKSANDR GEORGIEVICH, VELIJULIN IBRAGIM IBRAGIMOVICH, STEKLOV OLEG IVANOVICH, DEMIN EVGENIJ ALEKSANDROVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MACHINE TOOLS MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PIPES SOLDERING OR UNSOLDERING SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	FIELD: pipeline engineering. ^ SUBSTANCE: method comprises welding and treating the zone of heating by means of ultrasonic shock. The damaged sections, 600 mm in length, 45 mm in width, and 5 mm in depth, are welded with overlapping of at least 20 mm from each side. The fused metal is removed flush with the main metal, and quality of welding is controlled by radiographic or ultrasonic method. ^ EFFECT: enhanced reliability. ^ 3 dwg