SETT ATT MEKANISKT AVLEGSNA DRAGSPENNINGAR I ETT ROR, SOM TIDIGARE ANBRAGTS I EN URBORRNING I EN VEGG GENOM INVENDIG VALSNING AV RORET

A tube which has been expanded in a support such as the tube-sheet of a heat exchanger is subjected to diametral deformation of controlled intensity and direction in the transition zone between the expanded portion of the tube and the portion which has a nominal diameter by means of an axially displ...

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Bibliographische Detailangaben
Hauptverfasser:	G LE HUEDE, G ZACHARIE
Format:	Patent
Sprache:	swe
Schlagworte:	BLASTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION HEAT EXCHANGE IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WEAPONS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	A tube which has been expanded in a support such as the tube-sheet of a heat exchanger is subjected to diametral deformation of controlled intensity and direction in the transition zone between the expanded portion of the tube and the portion which has a nominal diameter by means of an axially displaceable and radially expandable tool having a bullet-nosed shape or by means of a tube-expander of the type comprising a mandrel fitted with rollers or by means of a fluid under pressure.