STEEL PIPE JOINT FOR PIPE EXPANDING AND METHOD FOR EXPANDING STEEL PIPE JOINT

PROBLEM TO BE SOLVED: To provide a steel pipe joint for pipe expanding and a method for expanding steel pipe joint which, even if in high pipe expanding rate, rarely causes cracks in jointed surface. SOLUTION: In diffusion connecting for a metal pipe 12e and a metal pipe 14e through connecting surfa...

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Bibliographische Detailangaben
Hauptverfasser:	HORIO KOJI, KITO KAZUNARI, INAGAKI SHIGEYUKI, HIYAMIZU TAKAO, YAMADA RYUZO
Format:	Patent
Sprache:	eng
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 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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a steel pipe joint for pipe expanding and a method for expanding steel pipe joint which, even if in high pipe expanding rate, rarely causes cracks in jointed surface. SOLUTION: In diffusion connecting for a metal pipe 12e and a metal pipe 14e through connecting surface 16e formed at ends, an portion inclined toward radial direction of the metal pipe 12e, 14e is formed at least in a part of the connecting surface 16e. In this case it is desired to have the relation of 0