Method of joining tubular members

A method of joining tubular members together includes the steps of providing an internal tubular member, providing an external tubular member, and heating the external tubular member and/or cooling the internal tubular member. The method also includes the steps of joining the internal tubular member...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LENDWAY JOSEPH M, BRUGGEMANN CHARLES J, SHAH SANJAY MAHASUKHLAL
Format:	Patent
Sprache:	eng
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	A method of joining tubular members together includes the steps of providing an internal tubular member, providing an external tubular member, and heating the external tubular member and/or cooling the internal tubular member. The method also includes the steps of joining the internal tubular member and second tubular member together to form an overlap region of a joined tubular member, and positioning the joined tubular member between open die halves mating with one another to define a tubular cavity portion. The method includes the steps of progressively closing the die halves to progressively deform the joined tubular member within the tubular cavity portion. The method includes the steps of applying hydraulic pressure to expand and conform the joined tubular member to the tubular cavity portion. The method also includes the steps of separating the die halves and removing the expanded joined tubular member from the die.