Charles L. Coffin

Charles L. Coffin
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] About the same time, N.G. Slavianoff, a Russian, 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 0-1311-3029-3 
  2. ^ Sapp, Mark, A History of Welding, from Hepheastus to Apollo, http://www.weldinghistory.org/whistoryfolder/welding/index.html, retrieved 2008-09-21 



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