(19)
(11) EP 0 112 513 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
01.08.1984 Bulletin 1984/31

(43) Date of publication A2:
04.07.1984 Bulletin 1984/27

(21) Application number: 83111909

(22) Date of filing: 28.11.1983
(84) Designated Contracting States:
DE FR GB IT

(30) Priority: 27.12.1982 JP 19577182
28.07.1983 JP 11771483

(71) Applicant: NIHON RADIATOR CO., LTD.
 ()

(72) Inventors:
  • Nakamura, Makoto
     ()
  • Ochiai, Hisao
     ()
  • Ohashi, Kotaro
     ()
  • Banba, Masaomi
     ()
  • Nita, Ichiro
     ()

   


(54) An improved heat exchanger


(57) Improved heat exchanger, comprising a tank made of synthetic resin and having a tube end plate integrally, a core engaged with a plurality of plate fins on said tube, a back plate which is applied and pressed to both ends of said core and locked to said tube end plate of said tank, and a sealing material which is disposed between said tank and the back plate in order to hold said tube inserted into said tube-engaging hole and keep the inside of said tank watertight.






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