Invention Grant
- Patent Title: Belt-type fixing device having a pressure roller with surface undulations
- Patent Title (中): 带式固定装置具有表面起伏的加压辊
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Application No.: US12136274Application Date: 2008-06-10
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Publication No.: US08045906B2Publication Date: 2011-10-25
- Inventor: Hiroshi Funabiki
- Applicant: Hiroshi Funabiki
- Applicant Address: JP Tokyo
- Assignee: Konica Minolta Business Technologies, Inc.
- Current Assignee: Konica Minolta Business Technologies, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Sidley Austin LLP
- Priority: JP2007-182025 20070711
- Main IPC: G03G15/20
- IPC: G03G15/20
Abstract:
A belt-type fixing device having therein an endless fixing belt, a pressure roller arranged inside the aforesaid fixing belt and a pressure member that presses the fixing belt against the pressure roller, wherein a toner image on a recording material is fixed in a nip portion formed between the fixing belt and the pressure member, and wherein the pressure roller has an elastic layer made of solid rubber, and the elastic layer is covered by a resin layer, and further plural undulations are formed in the circumferential direction of the outer circumferential surface of the pressure roller.
Public/Granted literature
- US20090016790A1 BELT-TYPE FIXING DEVICE AND IMAGE FORMING APPARATUS Public/Granted day:2009-01-15
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