Quick heat roller
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United States of America Patent
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-
Sep 11, 2001
Grant Date -
N/A
app pub date -
Apr 4, 2000
filing date -
Aug 4, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A temperature-controlled quick heat roller having an electrical resistance heater sheet provided on an inner surface of the cylinder. The electrical resistance heater is made of at least a high-temperature-coefficient resistance layer so that when the high-temperature-coefficient resistance layer is heated by an electric current, the cylinder is set to a prescribed fixing temperature. Also, the heat roller has a property in which heating electrical power drops as the temperature thereof rises.
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