Electric heating device
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United States of America Patent
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Jun 27, 2017
Grant Date -
Jul 31, 2014
app pub date -
Sep 13, 2011
filing date -
Sep 13, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed is an electric heating device capable of uniformly applying an electric current to a workpiece without causing abrasion of electrodes. An electric heating device includes a pair of electrodes for applying an electric current to a workpiece, and a pair of clamps for fixing the workpiece. The electrode extends along the surface of the workpiece in a direction perpendicular to an electric current direction while maintaining a constant length in the electric current direction, and sandwiches the workpiece therein. The clamp is arranged in the vicinity of the electrode, and sandwiches a part of the workpiece other than a part to be heated therein. A pressure at which the clamp sandwiches the workpiece therein is higher than a pressure at which the electrode sandwiches the workpiece therein.
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