Title:
定着装置用の加圧ローラ、定着装置、及び画像形成装置
Document Type and Number:
Japanese Patent JP7374641
Kind Code:
B2
Abstract:
To provide a pressure roller for a fixation device that can compatibly secure proper flexibility of an elastic layer and suppress a temperature rise of a non-paper feed part, the fixation device, and an image formation apparatus.SOLUTION: A pressure roller 20 used by a fixation device 6 which heats a toner image formed on a recording material P to fix it on the recording material P has a first elastic layer 22 and a second elastic layer 23 provided outside the first elastic layer 22, wherein the first elastic layer 22 has higher heat conductivity than the second elastic layer 23, and the first elastic layer 22 includes a plurality of gap parts 22b, a hole way part 22c connecting the plurality of gap parts 22b to each other, and a needle-like highly heat-conductive filler 22d.SELECTED DRAWING: Figure 3
Inventors:
Sho Taguchi
Naofumi Murata
Katsuhisa Matsunaka
Yoshitaka Arai
Naofumi Murata
Katsuhisa Matsunaka
Yoshitaka Arai
Application Number:
JP2019135738A
Publication Date:
November 07, 2023
Filing Date:
July 23, 2019
Export Citation:
Assignee:
Canon Inc
International Classes:
F16C13/00; G03G15/20
Domestic Patent References:
| JP2012163812A | ||||
| JP2015038589A | ||||
| JP2015007773A | ||||
| JP2002148988A | ||||
| JP2015011056A | ||||
| JP2015114367A |
Attorney, Agent or Firm:
Kentaro Kurahashi
Akira Kurahashi
Akira Kurahashi
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