Electric induction brazing in an inert atmosphere
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United States of America Patent
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Feb 24, 2015
Issued Date -
N/A
app pub date -
Oct 26, 2008
filing date -
Oct 27, 2007
priority date (Note) -
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Abstract
Apparatus and method are provided for an electric induction brazing process in an inert atmosphere using a substantially oxygen-free copper alloy filler or preform under an inert atmosphere within a brazing chamber minimally sized for containment of the brazed joint region and an induction coil. The inert atmosphere may be nitrogen gas supplied from a liquid nitrogen source. For brazing of an open-interior fitting around a hole in a tubular material a nesting area is provided around the hole for seating of the filler or preform and the fitting.
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