(19)
(11) EP 1 004 841 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
13.09.2000 Bulletin 2000/37

(43) Date of publication A2:
31.05.2000 Bulletin 2000/22

(21) Application number: 99123593.8

(22) Date of filing: 26.11.1999
(51) International Patent Classification (IPC)7F28F 9/04
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 27.11.1998 JP 33712798
17.12.1998 JP 35868498
26.10.1999 JP 30348499

(71) Applicant: Calsonic Corporation
Tokyo 164-8602 (JP)

(72) Inventors:
  • Chikuma, Hiroshi, c/o Calsonic Corporation
    Tokyo 164-8602 (JP)
  • Koizumi, Hiroyasu, c/o Calsonic Corporation
    Tokyo 164-8602 (JP)
  • Kawai, Yoshihiro, c/o Calsonic Corporation
    Tokyo 164-8602 (JP)

(74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät 
Maximilianstrasse 58
80538 München
80538 München (DE)

   


(54) Heat exchanger tank


(57) A tank of heat exchanger (100) comprises a tank body (102) and a pipe member (106). The tank body (108) is made of clad metal and shaped like a channel member with a base wall (102c) and two opposed side walls (102a,b). The pipe member (106) is first spot welded with its flance (110) to the tank body (102) and then finally brazed in a furnace.







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