Metallizing of a corrodible metal with a protective metal

Details Metallizing of a corrodible metal with a protective metal Metallizing of a corrodible metal with a protective metal

B - Operations, Transporting

05

B

117/58, 32/60

B05B 5/06 (2006.01) B05B 7/22 (2006.01) C23C 4/12 (2006.01)

Patent

CA 1153255

ABSTRACT An apparatus and method for spray metallizing a coating of metal (e.g., zinc) onto one or both sides of a base metal (e.g., steel). One embodiment of the invention comprises melting the metal to be deposited, propelling first and second streams of the melted metal towards the base metal at a point of convergence adjacent to the substrate, and applying a potential difference between the streams to form an electric arc whereby superheated particles are deposited on the base metal. A second embodiment of the invention comprises melting the metal to be deposited, propelling a stream of the melted metal towards the base metal through a nozzle containing a non-consumable stationary elec- trode, and applying a potential difference between the molten metal and the electrode to form an electric arc whereby super- heated particles are deposited on the base metal.

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