Process and device for high-speed flame spraying

Details Process and device for high-speed flame spraying Process and device for high-speed flame spraying

2005-12-06

2005-12-06

Bareford, Katherine (Department: 1762)

Coating processes

Spray coating utilizing flame or plasma heat

C239S079000, C239S085000

Reexamination Certificate

active

06972138

ABSTRACT:
The invention relates to a process and a device for high-velocity flame spraying, the spray particles being accelerated in a flame jet of combustion gases. The injection of spray particles according to the invention takes place axially and centrally in the divergent section of the Laval nozzle, the powder tube (2) and the outer nozzle body (1) together forming a Laval nozzle for acceleration of the flame jet.

REFERENCES:
patent: 3352492 (1967-11-01), Cape
patent: 4836447 (1989-06-01), Browning
patent: 5520334 (1996-05-01), White
patent: 101 26 100 (2002-12-01), None
patent: 2 802 844 (2001-06-01), None
patent: 548 630 (1942-10-01), None
Search Report of EP App. No. 03 01 1231 completed Oct. 15, 2003.

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