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1000 BCE
Middle ages welding
This is the first record of welding used to bond metal. They used lap welds to make small bronze boxes. They "Welded" the metal by hammering it together. -
Period: to
The Discovery of the Arc
In 1800 Sir Humphry Davy of England used two carbon electrodes and a battery to create an arc between the electrodes and a piece of metal. -
Joining lead plates
Auguste De Meritens joined two lead plates using an electrical arc -
Patent of the weld
Nikolai N Bernardos got a patent for the welding process -
Patent of the arc welding process
C.L. Coffin was granted the first U.S. patent for the process of arc welding. This was also the first time recorded that metal had been melted with an electrode. -
Coated metal electrode
Strohmenger of England invented the coated metal electrode which was coated in clay and lime but created a more stable arc -
Different types of welding
At the same time the coated electrode was developed the spot welder, seam welder, projection welder, and flash butt welder. -
Automatic welder
The automatic welder used a bare (non-coated) electrode, and an electric arc. It was invented by P.O. Nobel of GE. They used it to repair worn motor shafts and worn crane wheels. -
Stud weldinig
Stud welding is when wood decking is attacked over a metal structure -
First use of welding with consumable electrodes
Gained popularity quickly because it could be used to weld steel effectively and economically.