US Patent 7802716 Method of manufacturing heat exchanger tube and heat exchanger
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Patent abstract
The present invention provides a method of manufacturing a heat exchanger tube in which a tube for a heat exchanger formed by brazing is manufactured using a sheet material, wherein a filler metal melted during brazing can be prevented from entering an opening formed in an opposing portion or a parallel portion formed when bending a sheet material into a tube shape or an opening facing toward the outside of the tube. The opposing portion, the parallel portion, or the opening facing toward the outside of the tube is sealed. As the sealing means, friction welding is preferable.
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Patent Inventor Names
Hiroshi Nishikawa0
Kenta Gotyo0
Masaki Kumagai0
Takashi Hattori0
Yasunaga Itoh0
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US Patent 07802716 Method of manufacturing heat exchanger tube and heat exchanger US Patent 7802716 Method of manufacturing heat exchanger tube and heat exchanger
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Patent Number
078027160
Patent Number
78027160
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Official Website
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Patent Jurisdiction
Patent Number
078027160
Date of Patent
September 28, 2010
0Patent Application Number
116340500
Date Filed
December 5, 2006
0Official Website
Patent Primary Examiner
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US Patent 07802716 Method of manufacturing heat exchanger tube and heat exchanger
Infobox
Is a
Patent jurisdiction
Patent number
07802716
Date of patent
September 28, 2010
Patent application number
11634050
Date Filed
December 5, 2006
Patent primary examiner
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