Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 10, 2007
Patent Application Number
11036003
Date Filed
January 18, 2005
Patent Primary Examiner
Patent abstract
If the temperature T1 of the middle part of a heat roller 2 is higher than the temperature T2 of the end parts of the heat roller 2 [T1≧(T2−X)], the operating time B of side coils 5 and 6 is set longer than the operating time A of a center coil. If the temperature T1 of the middle part of a heat roller 2 is lower than the temperature T2 of the end parts of the heat roller 2 [T1<(T2−X)], the operating time A of the center coil is set longer than the operating time B of side coils 5 and 6.
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