Method for manufacturing contact terminal, contact terminal manufacturing apparatus, and contact terminal
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United States of America Patent
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Jul 12, 2016
Grant Date -
Jun 20, 2013
app pub date -
Dec 18, 2012
filing date -
Dec 20, 2011
priority date (Note) -
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Abstract
A method for manufacturing a contact terminal including a contact portion that slides against a surface of a conductive contact plate. The manufacturing method includes forming a projection in a metal plate by performing a drawing process, wherein the projection projects in a thicknesswise direction of the metal plate and has a larger diameter than the contact portion. The manufacturing method further includes forming the contact portion from the projection by performing a contraction pressing process at least once on the projection so that the diameter of the projection gradually decreases, while the height of the projection remains the same or decreases in a stepwise manner.
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