Brazing method and device, relay coil and method for the coil by the brazing method and device
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United States of America Patent
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app pub date -
Jan 16, 2002
filing date -
Jul 11, 2001
priority date (Note) -
Abandoned
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Abstract
A minute work piece in various mechanical or electric component parts is securely brazed by shooting a thin gas flame toward the work piece at a pinpoint while supplying a thread of soldering metal straight to the work piece to heat the work piece and melt the soldering metal, thereby to braze the soldering metal to the work piece. The pinpoint brazing method and device makes it possible to form reliable connection between the conductive terminal of a relay coil and a lead wire wound on a coil bobbin through a sphere-shaped soldering metal. The relay coil thus produced by the brazing method is suitably applicable to various kinds of machinery bringing about vibration, such as automobiles.
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