Oscar Kjellberg
Photo: Raphael Saulus, Public domain, via Wikimedia Commons10

Oscar Kjellberg

Swedish inventor and industrialist (1870–1931)

Oscar Kjellberg (21 September 1870 – 5 July 1931) was a Swedish inventor and industrialist. These included new developments in weldings and coatings, including the covered electrode.2

From Wikipedia’s article on Oscar Kjellberg (this version), CC BY-SA 4.0.

Born Sep 21, 1870, died Jul 5, 1931.1

About

He invented the coated electrode used in manual metal arc welding (Swedish Patent: 27152, June 29, 1907), by dipping a bare iron wire in a thick mixture of carbonates and silicates and refined this process between 1907 and 1914. The purpose of the coating is to generate a fume cloud that protects the molten metal from reacting with the oxygen and nitrogen (as is present in the ambient atmosphere) during the brief period of time that the metal requires to cool and solidify. His pioneering work in covered electrode development paved the road during the next twenty years in the research of reliable flux-coated welding electrodes.

From Wikipedia’s article on Oscar Kjellberg, shared under CC BY-SA 4.0.2

Companies

Career

Occupation: local politician, inventor, engineer, businessperson, entrepreneur, mechanical engineer, industrialist.4 5

  • Date not recordedFounded ESAB3

Personal life

  • BornSep 21, 1870, Arvika Västra parish5 6
  • DiedJul 5, 1931, Vasa parish5 7
  • CitizenshipSweden8