Cement resistor
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United States of America Patent
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-
Sep 2, 2008
Grant Date -
Nov 15, 2007
app pub date -
May 4, 2007
filing date -
May 9, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A resistive element in the form of a bent metal plate is placed in a box-shaped case and has electrodes exposed out of the box-shaped case. A heat radiator in the form of a bent metal plate is also placed in the box-shaped case and has heat radiating electrodes exposed out of the box-shaped case. The resistive element and the heat radiator are held out of contact with each other and disposed in criss-cross relation to each other. The box-shaped case is filled with a cement material in surrounding relation to the resistive element and the heat radiator.
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