Method of using an electromagnetic forming machine to hem a plurality of panels to form a panel assembly
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United States of America Patent
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Apr 5, 2011
Grant Date -
Nov 5, 2009
app pub date -
May 5, 2008
filing date -
May 5, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A method of using an electromagnetic forming machine to hem a panel assembly includes providing an inner panel and an outer panel. The outer panel has a plurality of flanges and a plurality of relief areas. An electric forming machine is provided having a coil for discharging electric energy to generate a magnetic field. The inner panel is positioned such that portions of the outer edge of the inner panel are aligned with the flanges of the outer panel to form a loose assembly of panels. The loose assembly of panels is positioned proximate the electromagnetic forming machine such that the coil surrounds the flanges and is disposed substantially coplanar with a plane formed by the relief areas. The electromagnetic forming machine is activated to generate a magnetic field causing the flanges to bend over.
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