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:
Dec. 03, 1996
Filed:
Aug. 03, 1994
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
An image-forming apparatus for forming an image on a sheet-like material, having an image-forming unit for forming a toner image on the sheet-like material, and a heated roller for heating the sheet-like material with the toner image. The heated roller includes a surface layer having a heat-shrunk fluorine resin. A pressure roller is arranged in rolling contact with the heated roller, for pressing the sheet-like material against the heated roller. A member for providing at least one of the following conditions: a) temperature at the surface of the heated roller of at least 200.degree. C.; b) a pressure between the heated roller and the pressure roller of at least about 72.5 N; c) a hardness of the surface of the pressure roller of at least about 40.degree. (ASKER-C system); and d) an elastic surface layer on the pressure roller having a thickness of at most about 50 .mu.m and which comprises a fluorine resin.