Method of shielding effluents in spray devices

Details Method of shielding effluents in spray devices Method of shielding effluents in spray devices

2006-05-16

2006-05-16

Bareford, Katherine (Department: 1762)

Coating processes

Spray coating utilizing flame or plasma heat

Metal oxide containing coating

C427S446000, C427S452000, C427S453000, C427S456000, C239S001000, C239S079000

Reexamination Certificate

active

07045172

ABSTRACT:
This invention provides a unique gas shield or shroud surrounding the effluent of a thermal spray device that effectively can extend the working distance or standoff between the thermal spray device and the surface being coated. This invention provides a method of spraying materials, including ceramic materials and reactive materials, at a long standoff and a method of controlling the temperature of the effluent being deposited using heated gas shield.

REFERENCES:
patent: 3470347 (1969-09-01), Jackson
patent: 4964568 (1990-10-01), Rotolico et al.
patent: 5073433 (1991-12-01), Taylor
patent: 5486383 (1996-01-01), Nowotarski et al.

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