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Charles L. Coffin

Charles L. Coffin

American inventor
Charles L. Coffin
The basics

Quick Facts

Intro American inventor
Is Engineer
From United States of America
Type Engineering
Gender male
The details

Biography

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. About 10 years earlier, N.G. Slavianoff, a Russian, presented the same idea of transferring metal across an arc, but to cast metal in a mold.

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