DEVICE FOR REMOVING BURR FORMED DURING RESISTANCE BUTT WELDING OF CASING PIPES

A burr formed between two pipe sections when they are welded together is removed by displacement of a cutting tool inside the welded pipe sections and a second cutting tool outside the welded sections. A burr catcher is coupled to the inner cutting tool to catch the portion of the burr which is remo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	IVAN VASILIEVICH DIYAK, VLADIMER FILIPPOVICH ZELENSKY, VASILY GRIGORIEVICH BORETSKY, IVAN PETROVICH DANILKIV, VLADIMER MARKELOVITCH DITCHUK, VASILY ALEXEEVICH SAKHARNOV, GRIGORY GRIGORIEVICH SEMAK, STANISLAV ADGAMOVICH MANSUROV, JURY VALENTINOVICH SKULSKY, VASILY ANDREEVICH SOKIRKO, PAVEL IVANOVICH SCHUKIN, VIKTOR STEPANOVICH CHEREVATY, BORIS AFANASIEVICH GALIAN, VLADIMIR ANTONOVICH KUSHNIR, VLADIMIR IVANOVICH TISHURA, PETR STEPANOVICH TJUPIN
Format:	Patent
Sprache:	eng
Schlagworte:	BROACHING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FILING FIXED CONSTRUCTIONS LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS PLANING SAWING SCRAPING SHEARING SLOTTING TRANSPORTING
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Beschreibung
Zusammenfassung:	A burr formed between two pipe sections when they are welded together is removed by displacement of a cutting tool inside the welded pipe sections and a second cutting tool outside the welded sections. A burr catcher is coupled to the inner cutting tool to catch the portion of the burr which is removed from the welded joint to enable its subsequent removal. The cutting tool may be free falling or it may be coupled to a free falling weight system, so as to move upwardly in the pipe sections or it may be driven externally by a hydraulic cylinder.