Coating processes – Spray coating utilizing flame or plasma heat – Continuous feed solid coating material
Patent
1997-10-30
1999-06-01
Bareford, Katherine A.
Coating processes
Spray coating utilizing flame or plasma heat
Continuous feed solid coating material
427446, 219 7614, 219 7616, 239 81, 239 83, C23C 412
Patent
active
059086700
ABSTRACT:
An apparatus for coating a part with a metallic coating comprising at least two consumable electrically conductive metallic wire electrodes converging to converging point at their ends, an electric current into said wires creating an arc and melting said wire ends forming an arc ball, an atomizing gas supply supplying gas to said converging point of said wires to convert said arc ball into a molten particle stream, and a deflecting gas valve assembly disposed outwardly of said consumable wires, said deflecting gas valve assembly deflecting gas from a direction which is rotatable relative to said two wires, said deflecting gas valve assembly containing a plurality of ports relative to and behind said molten particle stream supplying a steady flow of deflecting gas thereby deflecting said molten metal particle stream radially outward towards a surface to be coated.
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Dunkerley Joseph P.
Friedrich Thomas A.
Irons Gary
Bareford Katherine A.
Tafa, Incorporated
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