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Title:
MANUFACTURING METHOD OF HEAT EXCHANGER
Document Type and Number:
Japanese Patent JP2008057849
Kind Code:
A
Abstract:

To prevent leakage of engine cooling water in a radiator 1 before it happens.

A liquid or gel-like seal material 54 is applied to sealing faces 51c of core plates 50a of header tank 5a, 5b, and then the seal material 54 is hardened by heating. Then the core plate 50a and the tank main body 50b are fastened. The seal material 54 after hardened has an adherence, and is closely kept into contact with the sealing face 51c of the core plate 50a due to its adherence. As distortion or displacement of the seal material 54 in fastening the core plate 50a and the tank main body 50b are not found, and the sealing face 51c of the core plate 50a and a sealing face 53 of the tank main body 50b can be properly sealed up by elastic deformation, the leakage of engine cooling water can be prevented beforehand.


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JPS6478672HEAT EXCHANGER
Inventors:
HAKAMATA OSAMU
OZAKI TATSUO
NINAGAWA TOSHIHIDE
Application Number:
JP2006235022A
Publication Date:
March 13, 2008
Filing Date:
August 31, 2006
Export Citation:
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Assignee:
DENSO CORP
International Classes:
F28F9/02; B21D53/08; F16B4/00; F16B11/00; F16J15/14
Domestic Patent References:
JP54180353A
JPH0724871A1995-01-27
JP2004066283A2004-03-04
JPH11288608A1999-10-19
JPS58224298A1983-12-26
JPH0657143A1994-03-01
JPS6277597A1987-04-09
JPS6038386A1985-02-27
JPS58169394A1983-10-05
JPH05126258A1993-05-21
Attorney, Agent or Firm:
Yoji Ito
Takahiro Miura
Fumihiro Mizuno



 
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