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

1980-05-21

1981-11-24

Newsome, John H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

219 7614, 427422, 427423, B05D 102, B05B 506, C23C 700

Patent

active

043024831

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 electrode, and applying a potential difference between the molten metal and the electrode to form an electric arc whereby superheated particles are deposited on the base metal.

REFERENCES:
patent: 1221104 (1917-04-01), Stolle
patent: 1769363 (1930-07-01), Arvidson
patent: 2972185 (1961-02-01), Brennan
patent: 3016447 (1962-01-01), Gage et al.
patent: 3114826 (1963-12-01), Sullivan et al.
patent: 3246114 (1966-04-01), Matvay
patent: 3546415 (1970-12-01), Marantz
patent: 3947607 (1976-03-01), Gazzard et al.

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