ROLL FOR FIXING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

PROBLEM TO BE SOLVED: To provide a roll for a fixing device that reduces a difference in thermal expansion between the center and ends in the axial direction of an elastic layer in the roll for a fixing device.SOLUTION: There is provided a roll for a fixing device 10 that includes a cylindrical base...

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Bibliographic Details
Main Author MURASE HISASHI
Format Patent
LanguageEnglish
Japanese
Published 28.04.2016
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:PROBLEM TO BE SOLVED: To provide a roll for a fixing device that reduces a difference in thermal expansion between the center and ends in the axial direction of an elastic layer in the roll for a fixing device.SOLUTION: There is provided a roll for a fixing device 10 that includes a cylindrical base material 12, at least one elastic layer 14 provided on the peripheral surface of the base material 2, and a plurality of continuous holes 16 provided in the longitudinal direction of the elastic layer 14, where the cross section area of the continuous holes 16 increases from the center toward the ends in the axial direction of the elastic layer 14.SELECTED DRAWING: Figure 2 【課題】定着装置用ロールにおける弾性層の軸方向の中央部と端部の熱膨張差が低減される定着装置用ロールを提供する。【解決手段】円筒状の基材１２と、基材２の周面に設けられた少なくとも１層の弾性層１４と、弾性層１４の長手方向に設けられた複数の連続孔１６と、を有し、連続孔１６の断面積が、弾性層１４の軸方向の中央部から端部に向けて増加している、定着装置用ロール１０である。【選択図】図２
Bibliography:Application Number: JP20140194442