The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 12, 2000
Filed:
Dec. 19, 1996
Applicant:
Inventors:
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
399328 ; 399 68 ; 399 69 ;
Abstract
Curling of edges of recording paper in a toner-image fixing device is prevented. A temperature control unit controls the operation of a heater-lamp for heating a fixing roller in such a way that the fixing roller temperature when the front edge of recording paper enters into the fixing device is lower than the fixing roller temperature when a tail end of the recording paper enters.