Process and device for high-speed flame spraying
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United States of America Patent
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Dec 6, 2005
Grant Date -
Jan 29, 2004
app pub date -
May 21, 2003
filing date -
May 22, 2002
priority date (Note) -
Expired
status (Latency Note)
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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.
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