(19)
(11) EP 1 444 468 A1

(12)

(43) Date of publication:
11.08.2004 Bulletin 2004/33

(21) Application number: 02785936.2

(22) Date of filing: 15.11.2002
(51) International Patent Classification (IPC)7F25B 39/00, F28F 9/02, F28F 1/00
(86) International application number:
PCT/JP2002/011915
(87) International publication number:
WO 2003/042611 (22.05.2003 Gazette 2003/21)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 15.11.2001 JP 2001350573
27.11.2001 US 333170 P
07.06.2002 JP 2002166686

(71) Applicant: SHOWA DENKO K.K.
Tokyo 105-8518 (JP)

(72) Inventors:
  • Shinmura, Etsuo,Oyama Regional Office
    Oyama-shi,Tochigi,323-0811 (JP)
  • Hoshino, Ryoichi,Oyama Regional Office
    Oyama-shi,Tochigi 323-0811 (JP)
  • Ohashi, Hideo,Oyama Regional Office
    Oyama-shi,Tochigi 323-0811 (JP)
  • Furukawa, Yuichi,Oyama Regional Office
    Oyama-shi,Tochigi 323-0811 (JP)

(74) Representative: Kühn, Armin 
Viering, Jentschura & PartnerPatent- und RechtsanwälteSteinsdorfstrasse 6
80538 München
80538 München (DE)

   


(54) HEAT EXCHANGER, HEAT EXCHANGER HEADER TANK AND MANUFACTURING METHOD THEREOF