The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 30, 2003

Filed:

Sep. 20, 2001
Applicant:
Inventors:

Yuichi Matsuzaki, Konan, JP;

Yoshihisa Eto, Konan, JP;

Isao Ogawa, Konan, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 3/904 ; F25B 4/300 ;
U.S. Cl.
CPC ...
F25B 3/904 ; F25B 4/300 ;
Abstract

In order to ensure that a braising material applied onto the surface of a header pipe does not enter communicating passages for coolant intake/outlet at a connecting block during the furnace braising process implemented to weld the connecting block utilized to connect a liquid tank to the header pipe, pipe-like projections are formed at the pair of communicating passages for coolant intake/outlet formed at the connecting block for liquid tank connection on the side where the header pipe is connected and the pipe-like projections inserted at holes of the header pipe clad with a braising material are welded to a condenser to constitute an integrated part thereof.


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