Coating processes – Spray coating utilizing flame or plasma heat – Inorganic carbon containing coating – not as steel
Patent
1992-10-30
1995-02-14
Pianalto, Bernard
Coating processes
Spray coating utilizing flame or plasma heat
Inorganic carbon containing coating, not as steel
427249, 427250, 4272552, 427422, 427427, 427451, 427455, 427456, 427576, 427577, B05D 306
Patent
active
053894073
ABSTRACT:
An apparatus (10) for applying a thermal spray coating onto a substrate (24) includes a chamber (16) having an open bottom portion (18), a gas source for releasing a gas lighter than oxygen into the chamber (16) and displacing the oxygen from the chamber (16), and a spray gun (30) for spraying coating through the gas in the chamber (16) and onto the substrate (24).
A method is also provided including the steps of displacing oxygen from the chamber (16) with the gas, and spraying the coating through the gas and onto the substrate (24) disposed within the chamber, the gas preventing oxidation between the substrate (24) and layers of the coating.
REFERENCES:
patent: 4741286 (1988-05-01), Itoh et al.
patent: 4853250 (1989-08-01), Boulos et al.
patent: 4982067 (1991-01-01), Marantz et al.
Kayser, H., "Spraying Under an Argon Atmosphere", Thin Solid Films, vol. 39, pp. 243-250, 1976 (no month available).
Pianalto Bernard
Sermatech International Inc.
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