Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 10, 2017
Patent Application Number
11475750
Date Filed
June 27, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method is provided for welding together a tubular member of a first metal and a tubular member of a second metal that is dissimilar to the first metal. The method includes making a transition attachment by friction welding together end-to-end a first end of a rod of the first metal with a first end of a rod of the second metal. An arc weld welds together a second end of the rod of the first metal with the tubular member of the first metal. And another arc weld welds together a second end of the rod of the second metal to the tubular member of the second metal.
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