Thermal metal spraying apparatus
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United States of America Patent
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Oct 27, 2015
Grant Date -
Jan 3, 2013
app pub date -
Jun 29, 2012
filing date -
Jul 1, 2011
priority date (Note) -
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Abstract
A thermal metal spraying apparatus for use with a thermal metal spraying torch for applying a metal coating to a workpiece through a torch spraying nozzle having a spraying orifice. The thermal metal spraying apparatus provides a substantially tubular shroud having a first end and a second end adaptable to concentrically receive the torch spraying nozzle. The shroud has an opening at the second end, wherein the opening is selectably alignable with the spraying orifice. A drive mechanism is connected to the shroud and is operable to translate the shroud between a first position, wherein the opening at the second end is not aligned with the spraying orifice, thereby preventing the spraying of the metal coating on the workpiece, and a second position, wherein the opening at the second end is aligned with the spraying orifice permitting the spraying of the metal coating toward the workpiece.
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