Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 30, 2010
Patent Application Number
11876883
Date Filed
October 23, 2007
Patent Primary Examiner
Patent abstract
A copper tube with copper end pieces for a water-cooled secondary winding of a welding transformer is an example of a brazed assembly having a potentially corrodible side, the water-cooled side, and a low-exposure side, the air side or dry side, of the joined pieces. By shaping contacting surfaces of the parts at the brazed joint it is useful to form a barrier, for example, between a special braze material required for the corrosive side and a conventional, easy to apply, braze material for use on the air side of the joint.
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