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    • 6. 发明专利
    • Fixing device, image forming device and image forming method
    • 固定装置,图像形成装置和图像形成方法
    • JP2012053298A
    • 2012-03-15
    • JP2010196132
    • 2010-09-01
    • Ricoh Co Ltd株式会社リコー
    • HIHARA TAKESHISOMEYA YUKIMICHITOMONO HIDENORITAKEUCHI SHIGEOKANEKO FUMINARI
    • G03G15/20
    • PROBLEM TO BE SOLVED: To provide a fixing device capable of suppressing occurrence of jamming, and further to provide an image forming device having the fixing device and an image forming method using the fixing device.SOLUTION: A fixing device 100 has: a fixing liquid foaming device 110 for foaming fixing liquid L; an application roller 120 for holding foamed fixing liquid L' and applying the foamed fixing liquid L' to a recording paper sheet P on which unfixed toner T is formed; a pressure roller 140 for pressurizing the recording paper sheet P to which the foamed fixing liquid L' is applied between the application roller 120 and the pressure roller 140; and a blade 130, which is freely brought into contact with and separated from the application roller 120, capable of shutting off the foamed fixing liquid L' held by the application roller 120.
    • 要解决的问题:提供一种能够抑制卡纸发生的定影装置,并且还提供具有定影装置的图像形成装置和使用该定影装置的图像形成方法。 解决方案:定影装置100具有:用于发泡定影液L的定影液发泡装置110; 用于保持发泡定影液体L'并将发泡定影液体L'施加到其上形成有未定影调色剂T的记录纸张P上的涂布辊120; 用于对在施加辊120和加压辊140之间施加发泡定影液体L'的记录纸张P加压的压力辊140; 以及能够自由地与施加辊120接触和分离的刀片130,其能够关闭由施加辊120保持的发泡定影液L'。版权所有(C)2012,JPO&INPIT
    • 7. 发明专利
    • Fixing device, fixing solution storage container and image forming apparatus
    • 固定装置,固定解决方案存储容器和图像形成装置
    • JP2012053280A
    • 2012-03-15
    • JP2010195888
    • 2010-09-01
    • Ricoh Co Ltd株式会社リコー
    • TAKEUCHI SHIGEOKATANO YASUOSOMEYA YUKIMICHIYAMAGUCHI TAKEOTOMONO HIDENORIMATSUOKA YASUSHIARISUMI YUKOYAGINUMA HIDEKAZUKANEKO FUMINARIHIHARA TAKESHI
    • G03G15/20
    • PROBLEM TO BE SOLVED: To provide a fixing device, a fixing solution storage container, and an image forming apparatus capable of outputting a stable fixed image even if the fixing environment temperature varies.SOLUTION: A fixing device 40 includes: temperature detection means 150 for detecting a fixing environment temperature when applying foamy fixing solution to a recording medium with foamy fixing solution applying means 80; at least one kind of softening agent containing liquid which contains a softening agent; at least two kinds of foaming agent containing liquid which contains a foaming agent and have mutually different viscosity; a fixing solution storage container 31 for holding these kinds of liquid independently; and preparation means 85 for preparing a fixing solution by obtaining at least one kind of the softening agent containing liquid and at least one kind of the foaming agent containing liquid from the fixing solution storage container 31 according to the fixing environment temperature detected by the temperature detection means 150. Foamy fixing solution generation means 30 disperses foams in the fixing solution prepared by the preparation means 85 to generate a foamy fixing solution.
    • 要解决的问题:即使定影环境温度变化,也可提供能够输出稳定的固定图像的定影装置,定影液储存容器和图像形成装置。 解决方案:定影装置40包括:温度检测装置150,用于检测在具有泡沫定影液施加装置80的记录介质上施加泡沫定影液时的定影环境温度; 含有软化剂的至少一种含软化剂的液体; 含有发泡剂并具有相互不同粘度的液体的至少两种发泡剂; 用于独立地保持这些液体的定影液存储容器31; 以及用于通过根据由温度检测检测到的定影环境温度从定影液存储容器31获得含有液体的软化剂和至少一种含发泡剂的液体的至少一种来制备定影液的制备装置85 泡沫固定液产生装置30将泡沫分散在由制备装置85制备的定影溶液中以产生泡沫定影液。 版权所有(C)2012,JPO&INPIT
    • 8. 发明专利
    • Defoaming device, fixing device and image forming device
    • 缺陷装置,固定装置和图像形成装置
    • JP2012042689A
    • 2012-03-01
    • JP2010183432
    • 2010-08-18
    • Ricoh Co Ltd株式会社リコー
    • KUROTORI TSUNEOABE SHUNICHINAGAO KAZUYANAKAMURA TAKUMAKATANO YASUOARISUMI YUKOYAMAGUCHI TAKEOTAKEUCHI SHIGEO
    • G03G15/20
    • PROBLEM TO BE SOLVED: To provide a defoaming device capable of efficiently defoaming foamy fixing liquid by defoaming agents, and further to provide a fixing device provided therewith and an image forming device.SOLUTION: A defoaming device 80 renders foamy fixing liquid Bu suitable as liquid fixing liquid TL by breaking foam thereof. The defoaming device 80 comprises: a nozzle 82 that is a tubular member and has a tubular inlet port through which the foamy fixing liquid Bu is supplied; a foam transporting pump 84 for transporting residual foamy fixing liquid Bu4 toward inside of the nozzle 82 by pressurizing the residual foamy fixing liquid Bu4; and a defoaming liquid storage container 85 for accommodating defoaming liquid BL containing defoaming agents that break the residual foamy fixing liquid Bu4. An outlet port of the nozzle 82 is positioned in a liquid phase of the defoaming liquid BL accommodated in the defoaming liquid storage container 85.
    • 要解决的问题:提供一种能够通过消泡剂有效地消泡泡沫定影液的消泡装置,并且还提供一种其设置的定影装置和图像形成装置。 解泡剂:消泡装置80通过破坏其泡沫而使适合作为液体固定液体TL的泡沫固定液体Bu成为可能。 消泡装置80包括:喷嘴82,其是管状构件并具有管状入口,通过该入口端口提供泡沫定影液体Bu; 泡沫输送泵84,用于通过对残留的泡沫定影液Bu4进行加压,将残留的泡沫状定影液Bu4向喷嘴82的内部输送; 以及用于容纳含有消泡剂的消泡液BL的消泡液体储存容器85,该消泡液破坏残留的泡沫定影液Bu4。 喷嘴82的出口定位在容纳在消泡液储存容器85中的消泡液BL的液相中。版权所有(C)2012,JPO&INPIT
    • 9. 发明专利
    • Fixing device and image forming apparatus
    • 固定装置和图像形成装置
    • JP2011242456A
    • 2011-12-01
    • JP2010112284
    • 2010-05-14
    • Ricoh Co Ltd株式会社リコー
    • TOMONO HIDENORITAKEUCHI SHIGEOKANEKO FUMINARIHIHARA TAKESHISOMEYA YUKIMICHI
    • G03G15/20
    • PROBLEM TO BE SOLVED: To provide a fixing device and an image forming apparatus which are capable of stably maintaining excellent fixing quality even when environmental conditions are changed.SOLUTION: The fixing device comprises a foam-like fixer generation unit 110 for generating a foam-like fixer L' by mixing a liquid fixer L with gas, and an application roller 120 for applying the foam-like fixer L' on resin fine particles on a recording medium P. The foam-like fixer generation unit 110 has a flow path structure having a fine flow path, and an air port for introducing air. The foam-like fixer L' is generated by mixing the liquid fixer L with air in the flow path structure. The fixing device has temperature control means for controlling the temperature of the flow path structure.
    • 解决的问题:提供即使在环境条件改变时也能够稳定地保持良好的定影质量的定影装置和图像形成装置。 解决方案:定影装置包括泡沫状固定器产生单元110,用于通过将液体定影剂L与气体混合来产生泡沫状定影剂L'和用于将泡沫状定影剂L'施加到的施加辊120 在记录介质P上的树脂细颗粒。泡沫状定影剂产生单元110具有流动路径细小的流路结构和用于引入空气的空气口。 泡沫状定影剂L'是通过在液流路结构中混合液体定影剂L和空气而产生的。 定影装置具有用于控制流路结构的温度的温度控制装置。 版权所有(C)2012,JPO&INPIT
    • 10. 发明专利
    • Fixing device and image forming apparatus
    • 固定装置和图像形成装置
    • JP2011186317A
    • 2011-09-22
    • JP2010053264
    • 2010-03-10
    • Ricoh Co Ltd株式会社リコー
    • TAKEUCHI SHIGEOSOMEYA YUKIMICHITOMONO HIDENORIKANEKO FUMINARIHIHARA KEN
    • G03G15/20
    • PROBLEM TO BE SOLVED: To provide a fixing device capable of satisfactorily recovering a residual foamy fixing liquid that has not been used for fixing, in a constitution in which fine particles of resin are softened by the foamy fixing liquid and fixed to a recording medium, and to provide an image forming apparatus.
      SOLUTION: The fixing device includes a fixing liquid recovery device 200 that recovers the residual foamy fixing liquid Fb remaining on an application roller 61 without being applied to transfer paper P. The fixing liquid recovery device 200 includes: a residual foamy fixing liquid storing portion 216 for storing the residual foamy fixing liquid Fb; and a fixing liquid recovery pump and fixing liquid recovery bottle 220 for vacuuming the residual foamy fixing liquid storing portion 216, thereby liquefying and recovering the residual foamy fixing liquid Fb. The residual foamy fixing liquid Fb is liquefied by vacuuming the inside of the residual foamy fixing liquid storing portion 216 by driving the suction pump 215. The liquefied residual foamy fixing liquid Fb is transferred and recovered into the fixing liquid recovery bottle 220 by the fixing liquid recovery pump.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种能够令人满意地回收尚未用于定影的残留泡沫定影液的定影装置,其中树脂细颗粒被泡沫定影液软化并固定到 记录介质,并提供图像形成装置。 解决方案:定影装置包括定影液回收装置200,其在残留在施加辊61上的残留泡沫定影液体Fb上回收而不用于转印纸P.定影液回收装置200包括:残留泡沫定影液 用于存储残留泡沫定影液体Fb的收纳部216; 以及定影液回收泵和固定液回收瓶220,用于对残留的泡沫定影液存储部分216进行抽真空,从而液化和回收残留的泡沫定影液体Fb。 通过驱动吸引泵215,使残留泡沫状定影液收容部216的内部抽真空,使残留泡沫状定影液Fb液化。液化残留泡沫定影液Fb通过定影液转移回收到定影液回收瓶220中 回收泵。 版权所有(C)2011,JPO&INPIT