(19)
(11) EP 1 716 266 A1

(12)

(43) Date of publication:
02.11.2006 Bulletin 2006/44

(21) Application number: 05710377.2

(22) Date of filing: 10.02.2005
(51) International Patent Classification (IPC): 
C23C 4/08(2006.01)
F28F 21/08(2006.01)
(86) International application number:
PCT/JP2005/002531
(87) International publication number:
WO 2005/078151 (25.08.2005 Gazette 2005/34)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

(30) Priority: 12.02.2004 JP 2004035353
19.02.2004 US 545535 P

(71) Applicant: SHOWA DENKO KABUSHIKI KAISHA
Tokyo 105-8518 (JP)

(72) Inventors:
  • MINAMI, Kazuhiko, Oyama Reg. Office SHOWA DENKOKK
    Oyama-shi Tochigi 323-8678 (JP)
  • YAMANOI, Tomoaki, Oyama Reg. Office Showa Denko KK
    Oyama-shi Tochigi 323-8678 (JP)

(74) Representative: Viering, Hans-Martin 
Patentanwälte Viering, Jentschura & Partner, Postfach 22 14 43
80504 München
80504 München (DE)

   


(54) TUBE FOR USE IN HEAT EXCHANGER, METHOD FOR MANUFACTURING SAID TUBE, AND HEAT EXCHANGER