Charles L. Coffin

Charles L. Coffin of Detroit was awarded U.S. Patent 428,459 for an arc welding process using a metal electrode. This was the first time that metal melted from the electrode carried across the arc to deposit filler metal in the joint to make a weld.[1] Two years earlier, Nikolay Slavyanov presented the same idea of transferring metal across an arc, but to cast metal in a mold.[2]

References

  1. ↑ Cary, Howard B.; Helzer, Scott C. (2005), Modern Welding Technology, Upper Saddle River, New Jersey: Pearson Education, ISBN 0-13-113029-3
  2. ↑ Sapp, Mark, A History of Welding, from Hepheastus to Apollo, archived from the original on 2008-11-12, retrieved 2008-09-21


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