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U.S. Department of Energy
Office of Scientific and Technical Information

Method and apparatus for manufacturing heat exchanger tubes

Patent ·
OSTI ID:5381737
For the manufacture of heat exchanger tubes having a metal strip (tangential surface) welded to the surface of the tube, the metal strip is fastened to the surface of the tube by through-welding with welding current of alternating value.
Assignee:
Kabelmetal Electro Gesellschaft mit Beschrankter Haftung (Germany, Federal Republic Of)
Patent Number(s):
US 4506135
OSTI ID:
5381737
Country of Publication:
United States
Language:
English