VERFAHREN ZUR HERSTELLUNG EINES RISSBEGRENZERS BZW. RISSSTOPPERS

PCT No. PCT/SU84/00016 Sec. 371 Date Aug. 12, 1985 Sec. 102(e) Date Aug. 12, 1985 PCT Filed Mar. 21, 1984 PCT Pub. No. WO85/03114 PCT Pub. Date Jul. 18, 1985.Disclosed is a method of producing crack arrester consisting in that a hollow cylindrical blank (1) with a multi-layer wall and a discontinuit...

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Hauptverfasser:	KRENDELEVA ALISA IVANOVNA, MEDOVAR LEV BORISOVICH, ASTAFIEV NIKOLAI ALEXANDROVICH, US VASILY IVANOVICH, PIVOVARSKY NIKOLAI BORISOVICH, BARVINKO JURY PAVLOVICH, BILETSKY SEMEN MIKHAILOVICH, MEDOVAR BORIS IZRAILEVICH, SAENKO VLADIMIR YAKOVLEVICH, PATON BORIS EVGENIEVICH
Format:	Patent
Sprache:	ger
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL 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 MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS,WHEELS, RINGS, BARRELS, BALLS MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PIPES PUNCHING METAL SOLDERING OR UNSOLDERING SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Zusammenfassung:	PCT No. PCT/SU84/00016 Sec. 371 Date Aug. 12, 1985 Sec. 102(e) Date Aug. 12, 1985 PCT Filed Mar. 21, 1984 PCT Pub. No. WO85/03114 PCT Pub. Date Jul. 18, 1985.Disclosed is a method of producing crack arrester consisting in that a hollow cylindrical blank (1) with a multi-layer wall and a discontinuity (2) provided at least in one of the layers is made so that the diameter and wall thickness thereof are smaller and greater, respectively, than the specified final dimensions of the crack arrester (5) and the blank (1) is then heated and rolled on a ring-rolling mill (4) uniformly over the entire length to the final dimensions of the crack arrester (5) so that the layers fuse to each other in the course of rolling.