Invention Grant
- Patent Title: Image forming apparatus and a fixing device having a rigid heat-insulating layer
- Patent Title (中): 图像形成装置和具有刚性绝热层的定影装置
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Application No.: US10438938Application Date: 2003-05-16
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Publication No.: US07664446B2Publication Date: 2010-02-16
- Inventor: Hajime Oyama
- Applicant: Hajime Oyama
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2002-142725 20020517; JP2003-078269 20030320
- Main IPC: G03G15/20
- IPC: G03G15/20
Abstract:
A fixing device for fixing a toner image on a sheet with heat while conveying the sheet of the present invention includes a heat roller or rotatable heating member and a press roller or rotatable pressing member. The heat roller includes a heat-generating layer and a rigid heat-insulting layer positioned inward of the heat-generating layer. The press roller conveys the sheet by nipping it in cooperation with the heat roller.
Public/Granted literature
- US20040005177A1 Fixing device and image forming apparatus using the same Public/Granted day:2004-01-08
Information query
