B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
117/53, 32/60
B05B 7/16 (2006.01) B05B 7/20 (2006.01)
Patent
CA 2004682
ME-3863 ABSTRACT OF THE DISCLOSURE A thermal spray gun, for spraying wire and powder simultaneously at high velocity to produce a dense and tenacious coating, comprises a nozzle and a gas cap extending from the nozzle. Combustible gas is injected from the nozzle coaxially into the combustion chamber in the gas cap. An annular outer flow of pressurized air is injected into the chamber adjacent to the gas cap. Heat fusible wire is fed axially from the nozzle into the combustion chamber. An annular inner flow of pressurized air is injected into the combustion chamber adjacent to the wire. Powder in a carrier gas is fed annularly from the nozzle into the combustion chamber coaxially between the combustible mixture and the inner flow, such that a spray stream containing the powder and the heat fusible material commingled in finely divided form is propelled through the open end.
Osler Hoskin & Harcourt Llp
Sulzer Metco (us) Inc.
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