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:
Jan. 05, 1993
Filed:
Jul. 30, 1991
Yasuhiro Uehara, Ebina, JP;
Kazuhiko Miyazato, Ebina, JP;
Ryuji Katsuno, Ebina, JP;
Hideo Saito, Ebina, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A heated roller type of fixing device to prevent offsetting of toner onto a fixing or pressure roller and an imaging system including such a fixing device wherein a sheet with toner deposits thereon is passed between a fixing roller and a pressure roller to fix the toner in place, a releasant applicator applies a releasant on the surface of at least one of said fixing or pressure rollers, and a releasant remover removes from the sheet the releasant deposited thereon by the fixing or pressure roller, thereby the releasant remaining on the toner image is removed by the releasant remover. Thus, it is possible to eliminate image density variations which may otherwise be caused by an uneven distribution of the releasant, as is the case with the prior art, and to obtain an image density which does not change with time and so is stable.