METHOD FOR PRODUCING PIPE HAVING BUILT-IN FIN, AND METHOD FOR PRODUCING DOUBLE-WALLED PIPE

In a method of manufacturing a fin-assembled tube (30) by arranging a helical fin (10) in an interior of a tube (20), a plate-shaped fin material (11) is inserted into the interior of the tube (20) and the helical fin (10) is formed by twisting the fin material (11) in the interior of the tube (20).

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Bibliographische Detailangaben
1. Verfasser:	OONO, Hiroyuki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBINED OPERATIONS DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	In a method of manufacturing a fin-assembled tube (30) by arranging a helical fin (10) in an interior of a tube (20), a plate-shaped fin material (11) is inserted into the interior of the tube (20) and the helical fin (10) is formed by twisting the fin material (11) in the interior of the tube (20).