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1. 发明专利

JP2014240996A 定着装置及び画像形成装置有权
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2014240996A
公开(公告)日：2014-12-25
申请号：JP2014203943
申请日：2014-10-02
申请人：株式会社リコー , Ricoh Co Ltd
发明人： YAMAGUCHI YOSHINORI , YOSHIKAWA MASAAKI , ISHII KENJI , YOSHINAGA HIROSHI , ARAI YUJI , TAKAGI HIROTADA , TOKUDA TETSUO , IWATANI NAOKI , IKEFUCHI YUTAKA , SESHIMO TAKUYA , FUJIMOTO IPPEI , IMADA TAKAHIRO , GOTO SO , SHIMOKAWA TOSHIHIKO , YOSHIURA ARINOBU
IPC分类号： G03G15/20
摘要：【課題】ニップ形成部材において摺動シートが適切に固定されるとともに、ユニット内でニップ形成部材が高精度に配置可能な定着装置を提供する。【解決手段】定着ベルトと、加圧ローラと、本体26aと該本体26aに巻きつけられる膜部材29とからなり、定着ベルトを介して加圧ローラと圧接してニップ部を形成するニップ形成部材26と、ニップ形成部材26をニップ部とは反対側から支持する補強部材と、定着ベルトの内周側から該定着ベルトの回転を支持する支持部材と、前記支持部材を加熱する加熱手段と、を備え、ニップ形成部材26の本体26aは、ニップ部とは反対面にその長手方向に所定間隔で配列され補強部材と当接する複数の支持突起26bを有しており、膜部材29は、該膜部材29に設けられた開口部29kを支持突起26bに嵌め込んだ状態で本体26aに巻きつけられ、さらに本体26aのニップ部とは反対面で締結部材26nで固定されている。【選択図】図13
摘要翻译：要解决的问题：提供一种定影装置，其包括具有适当地紧固到其上的滑动片的辊隙形成构件，并且可以以高精度设置在一个单元中。解决方案：一种定影装置，包括定影带，压力辊，夹持形成构件26由主体26a和卷绕在主体26a上的膜构件29组成，并且与压辊接触，其间具有定影带，以形成夹持部，加强构件，其支撑夹持部形成构件26与夹持部相对的一侧，从定影带的内周侧支撑定影带的旋转的支撑构件，以及用于加热支撑构件的加热装置。辊隙形成构件26的主体26a包括多个支撑突起26b，多个支撑突起26b在相对侧的长度方向上以预定的间隔布置在夹持部的相对侧，以与加强构件接触; 并且膜构件29缠绕在主体26a上，而设置在膜构件29中的开口29k装配到支撑突起26b上，并且通过紧固构件26n紧固在主体26a的夹持部的相对侧上。

2. 发明专利

JP2014132310A Fixing apparatus and image forming apparatus 审中-公开
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2014132310A
公开(公告)日：2014-07-17
申请号：JP2013000525
申请日：2013-01-07
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SHIMOKAWA TOSHIHIKO , ISHII KENJI , OGAWA SADAFUMI , KAWADA TEPPEI , YOSHIURA ARINOBU , YAMAJI KENSUKE , UCHITANI TAKESHI , HASE TAKAMASA , YUASA SHUTARO , TAKAGI HIROTADA , IWATANI NAOKI , IMADA TAKAHIRO , GOTO SO , SUZUKI AKIRA , SESHIMO TAKUYA , YOSHINAGA HIROSHI
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a fixing apparatus which is warmed up in a short time, has high energy-saving effect, and reduces the time from heating standby to the first print, without reducing productivity.SOLUTION: A fixing apparatus includes: a fixing member which rotates endlessly around a shaft to fix an image on a recording material; a heat source which irradiates the fixing member with light from an inner periphery side of the fixing member; a movable reflection member which is arranged between the heat source and the inner periphery side of the fixing member, and reflects the light comes from the heat source to irradiate the inner periphery side of the fixing member; and means for moving the reflection member so as to adjust the amount of light comes from the heat source to irradiate the inner periphery side of the fixing member according to a width of the recording material arranged in the same direction of the shaft.
摘要翻译：要解决的问题：提供一种在短时间内预热的定影装置，具有高节能效果，并且缩短了从待机到第一印刷的时间，而不降低生产率。解决方案：定影装置包括：固定构件，其绕轴旋转，以将图像固定在记录材料上; 从所述固定部件的内周侧向所述固定部件照射光的热源; 布置在所述固定构件的所述热源与所述内周侧之间并且反射光的可动反射构件来自所述热源以照射所述固定构件的内周侧; 以及用于移动反射构件以调节来自热源的光量的装置，以便根据沿轴的相同方向布置的记录材料的宽度照射固定构件的内周侧。

3. 发明专利

JP2014106520A Fixing device and image forming apparatus including the same 有权
标题翻译：固定装置和图像形成装置，包括它们
公开(公告)号：JP2014106520A
公开(公告)日：2014-06-09
申请号：JP2012262077
申请日：2012-11-30
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： IMADA TAKAHIRO , SATO MASAHIKO , YOSHIKAWA MASAAKI , TAKAGI HIROTADA , IWATANI NAOKI , GOTO SO , SUZUKI AKIRA , SESHIMO TAKUYA , YOSHINAGA HIROSHI , ISHII KENJI , OGAWA SADAFUMI , KAWADA TEPPEI , YOSHIURA ARINOBU , SHIMOKAWA TOSHIHIKO , YAMAJI KENSUKE , UCHITANI TAKESHI , HASE TAKAMASA , YUASA SHUTARO
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a fixing device which has a structure including a holding member holding a fixing belt at both ends and is capable of preventing the occurrence of deformation and damage of the fixing belt due to a separation member and to provide an image forming apparatus including the fixing device.SOLUTION: A fixing device 10 includes a fixing belt 21, a pressure roller 22, a heater 23, a reflection member 24, a nip forming member 25 facing the pressure roller 22 on the inner peripheral side of the fixing belt 21, to form a nip part N, a support member 26, a holding member 28 holding the width direction end of the fixing belt 21, and a separation member 27 separating a recording paper S from the fixing belt 21. The holding member 28 includes a first projection part projected toward the width direction center from a base end and is configured so that a part of the top end of the first projection part is further projected toward the width direction center and configured to include a second projection part facing the separation member 27.
摘要翻译：要解决的问题：提供一种固定装置，其具有包括在两端保持定影带的保持构件的结构，并且能够防止由于分离构件而引起的定影带的变形和损坏，并且提供图像包括定影装置的成型装置。解决方案：定影装置10包括定影带21，加压辊22，加热器23，反射构件24，与压力辊22的内周侧面对的辊隙形成构件25 定影带21，以形成夹持部分N，支撑部件26，保持定影带21的宽度方向端的保持部件28以及将记录纸S与定影带21分开的分离部件27.保持部件 28包括从基端朝向宽度方向中心突出的第一突出部，并且被构造成使得第一突出部的顶端的一部分进一步向宽度方向中心突出，并且配置以包括面向分离构件27的第二突出部分。

4. 发明专利

JP2013186353A Belt heating driving device, fixing device, and image forming apparatus 审中-公开
标题翻译：皮带加热装置，固定装置和图像形成装置
公开(公告)号：JP2013186353A
公开(公告)日：2013-09-19
申请号：JP2012052374
申请日：2012-03-08
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ISHII KENJI , YOSHIKAWA MASAAKI , OGAWA SADAFUMI , UCHITANI TAKESHI , TAKAGI HIROTADA , IWATANI NAOKI , SESHIMO TAKUYA , YOSHIURA ARINOBU , KAWADA TEPPEI , IMADA TAKAHIRO , GOTO SO , HASE TAKAMASA , SHIMOKAWA TOSHIHIKO , YUASA SHUTARO , YAMAJI KENSUKE , SUZUKI AKIRA
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a belt heating driving device in which a deformation volume of a flexible endless belt end face is reduced so as to prevent fatigue breakage of a base material caused by deformation distortion.SOLUTION: A bulge part 45, which is in such a form as to be swelled to the outside with respect to a central-portion outer circumferential side of a fixture belt 21, is formed by processing a base material of the fixture belt 21 on both end portions of the fixture belt 21. The deformation toward the outer circumferential side is performed with a processing method such as bulge processing or the like, and swelling toward the outer circumferential side increases a cross-section 2-order moment at an end portion. It is preferred that a deformation shape of the bulge part 45 is a shape formed by connecting curves successively. This shape decreases a deformation amount by increasing the cross-section 2-order moment at the end portion of the fixture belt 21, and increases a fatigue tolerance property of an end face where stress concentration is likely to occur, to thereby prevent reduction in lifetime of the fixture belt 21. Further, since a curvature of the fixture belt 21 is not lowered, an effect of causing curvature separation of a recording medium is not lowered.
摘要翻译：要解决的问题：提供一种带状加热驱动装置，其中柔性环形带端面的变形体积减小，以防止由变形变形引起的基体材料的疲劳断裂。解决方案：凸起部分45 通过在固定带21的两端部处理固定带21的基材而形成为相对于固定带21的中心部外周侧膨胀到外侧的形式。通过诸如凸起加工等的加工方法来进行向外周侧的变形，朝向外周侧的膨胀增加端部的横截面2次矩。凸部45的变形形状优选为连续曲线连续形成的形状。该形状通过增加固定带21的端部的横截面2次矩而减小变形量，并且增加可能发生应力集中的端面的耐疲劳特性，从而防止寿命缩短此外，由于固定带21的曲率不降低，所以不会降低使记录介质的曲率分离的效果。

5. 发明专利

JP2013186256A Fixing device and image forming apparatus 审中-公开
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2013186256A
公开(公告)日：2013-09-19
申请号：JP2012050587
申请日：2012-03-07
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SHIMOKAWA TOSHIHIKO , ISHII KENJI , OGAWA SADAFUMI , KAWADA TEPPEI , YOSHIURA ARINOBU , YAMAJI KENSUKE , UCHITANI TAKESHI , HASE TAKAMASA , YUASA SHUTARO , TAKAGI HIROTADA , IWATANI NAOKI , IMADA TAKAHIRO , GOTO SO , SUZUKI AKIRA , SESHIMO TAKUYA , YAMAGUCHI YOSHINORI , ARAI YUJI
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a fixing device capable of suppressing an increase in drive torque and the heating amount of a fixing belt, improving separability of a recording medium from a fixing member; and an image forming apparatus.SOLUTION: A fixing device includes: an endless fixing belt 21 that has flexibility; a pressure roller 31 that comes into pressure contact with the fixing belt 21; a heater 25 that heats the fixing belt 21; a nip forming member 26 that is included in the fixing belt 21, and presses the fixing belt 21 against the pressure roller 31 to form a nip part; and a shape regulating member 28 that comes into slide contact with an inner periphery on both side ends of the fixing belt 21 except a contact part with the nip forming member 26 of the fixing belt 21. The shape regulating member 28 reduces the curvature of radius over the entire width of the fixing belt 21 at an exit of the nip part.
摘要翻译：要解决的问题：提供一种能够抑制驱动转矩的增加和定影带的加热量的定影装置，从而改善记录介质与固定构件的分离性; 和图像形成装置。解决方案：定影装置包括：具有柔性的环形定影带21; 与定影带21压力接触的加压辊31; 加热定影带21的加热器25; 包括在定影带21中的辊隙形成构件26，并将定影带21压靠在加压辊31上以形成辊隙部; 以及与定影带21的夹持形成构件26的接触部以外的定影带21的两侧端部的内周滑动接触的形状限制构件28.形状限制构件28减小了半径的曲率在夹持部的出口处的定影带21的整个宽度上。

6. 发明专利

JP2013186192A Fixing device and image forming apparatus equipped with the same 审中-公开
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2013186192A
公开(公告)日：2013-09-19
申请号：JP2012049397
申请日：2012-03-06
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： IMADA TAKAHIRO , YOSHIKAWA MASAAKI , TAKAGI HIROTADA , ISHII KENJI , ARAI YUJI , OGAWA SADAFUMI , UCHITANI TAKESHI , IWATANI NAOKI , SESHIMO TAKUYA , YAMAGUCHI YOSHINORI , YOSHIURA ARINOBU , KAWADA TEPPEI , GOTO SO , HASE TAKAMASA , SHIMOKAWA TOSHIHIKO , YUASA SHUTARO , YAMAJI KENSUKE , SUZUKI AKIRA
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a fixing device and an image forming apparatus capable of improving durability of a fixing belt and a deviation preventing member.SOLUTION: There is provided a fixing device which comprises: a fixing belt 21; a belt guide member 22 for rotatably supporting the fixing belt 21; and a nip forming member which is provided on an inner peripheral side of the fixing belt and is brought into pressure contact with a pressure rotating body through the fixing belt to form a nip part; and a belt deviation regulating member 28 which is provided on a belt guide member 22 and regulates the belt deviation of the fixing belt 21, wherein the belt guide member 22 is positioned on an inner peripheral side of the fixing belt 21 and has a cylindrical support part 22a for supporting the fixing belt 21, the belt deviation regulating member 28 has a flange part 28a facing the end side in a width direction of the fixing belt 21 and a cylindrical part 28b which is formed so as to extend to the fixing belt side along the outer peripheral face of the support part 22a, and the cylindrical part 28b always faces the inner peripheral face of the fixing belt 21.
摘要翻译：要解决的问题：提供一种能够提高定影带和偏离防止构件的耐久性的定影装置和图像形成装置。解决方案：提供一种定影装置，其包括：定影带21; 用于可旋转地支撑定影带21的带引导构件22; 以及辊隙形成构件，其设置在所述定影带的内周侧，并且通过所述定影带与压力旋转体压力接触以形成辊隙部; 以及带偏差调节构件28，其设置在带引导构件22上并调节定影带21的带偏移，其中，带引导构件22位于定影带21的内周侧，并且具有圆柱形支撑用于支撑定影带21的部分22a，带偏离调节构件28具有面向定影带21的宽度方向端侧的凸缘部28a和形成为延伸到定影带侧的圆筒部28b 沿着支撑部22a的外周面，圆筒部28b总是面对定影带21的内周面。

7. 发明专利

JP2013186164A Belt heating and driving device, fixing device, and image forming apparatus 审中-公开
标题翻译：皮带加热和驱动装置，固定装置和图像形成装置
公开(公告)号：JP2013186164A
公开(公告)日：2013-09-19
申请号：JP2012049095
申请日：2012-03-06
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YOSHIKAWA MASAAKI , ISHII KENJI , OGAWA SADAFUMI , KAWADA TEPPEI , YOSHIURA ARINOBU , SHIMOKAWA TOSHIHIKO , YAMAJI KENSUKE , ARAI YUJI , YAMAGUCHI YOSHINORI , TAKAGI HIROTADA , IWATANI NAOKI , IMADA TAKAHIRO , GOTO SO , SUZUKI AKIRA
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a belt heating and driving device, a fixing device, and an image forming apparatus capable of controlling a heating area of an endless belt.SOLUTION: A light shielding film 4a is partially formed on surfaces of both ends of a heater part 4b of a heating source 4 and is configured so to rotate together with the heating source 4. The light shielding film 4a does not exist anywhere in the peripheral direction of the heating source 4 in a range of L3 which is the minimum sheet size and is provided over the area on the end side. The light shielding angle of the light shielding film 4a is linearly widened outside the range of L3 which is the minimum sheet size and is most widened at a place where a sheet having the widest width is passed. An excessive temperature rise of an endless belt in a non-conveying area may be prevented by changing the heating area according to the size of a conveyed material such as a sheet to be conveyed and correspondence to a conveyed material of a small size is improved. In addition, since a heating area corresponding to conveyed materials of each size may be set by one heater, a fixing device and an image forming apparatus may be reduced in size.
摘要翻译：要解决的问题：提供一种能够控制环形带的加热面积的带式加热驱动装置，定影装置和图像形成装置。解决方案：遮光膜4a部分地形成在加热源4的加热器部分4b，并且被构造成与加热源4一起旋转。遮光膜4a在加热源4的周向方向上不存在L3的最小片的范围内的任何地方尺寸并且设置在端侧的区域上。遮光膜4a的遮光角度在作为最小纸张尺寸的L3的范围之外线性地变宽，并且在通过最宽宽度的片材的位置处最宽。通过根据被输送的材料的输送材料的尺寸改变加热面积可以防止环形带在非输送区域中的过度升温，并且提高了与小尺寸的输送材料的对应关系。此外，由于可以通过一个加热器设置与每个尺寸的输送材料相对应的加热区域，所以可以减小定影装置和图像形成装置的尺寸。

8. 发明专利

JP2013178488A Image formation apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2013178488A
公开(公告)日：2013-09-09
申请号：JP2012282400
申请日：2012-12-26
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HASE TAKEMASA , SATO MASAHIKO , NAMEKATA SHINICHI , ISHII KENJI , UCHITANI TAKESHI , OGAWA SADAFUMI , KAWATA TEPPEI , YOSHIURA ARINOBU , SAITO KAZUYA , SHIMOKAWA TOSHIHIKO , YUASA SHUTARO , YAMAJI KENSUKE , YOSHIKAWA MASAAKI , YOSHINAGA HIROSHI , TAKAGI HIROTADA , IWATANI NAOTAKE , SESHIMO TAKUYA , IMADA TAKAHIRO , GOTO SO , SUZUKI AKIRA
IPC分类号： G03G15/20 , B65H5/02 , G03G21/00
CPC分类号： G03G15/2085 , G03G15/2039 , G03G15/205 , G03G15/2078 , G03G15/55
摘要： PROBLEM TO BE SOLVED: To provide an image formation apparatus that enables further energy saving.SOLUTION: An image formation apparatus includes a fixation device 20 having: a rotatable endless fixation belt 21; a nip formation member 24 arranged inside the fixation belt 21; a pressure roller 22 for forming a nip part between the fixation belt 21 by making contact with the nip formation member 24 through the fixation belt 21; a heater 23 arranged inside the fixation belt 21 and heating the fixation belt 21; and a temperature sensor 27 for detecting the temperature of the fixation belt 21. At performing an image formation job, after the last recording medium has passed through the fixation device 20, rotation drive of the fixation belt 21 is controlled to stop before rotation drive of the discharge roller pair 13.
摘要翻译：要解决的问题：提供一种能够进一步节能的图像形成装置。解决方案：图像形成装置包括：固定装置20，具有：可旋转环形固定带21; 布置在定影带21内的辊隙形成构件24; 用于通过与定影带21与辊隙形成构件24接触而在定影带21之间形成咬合部的加压辊22; 设置在定影带21内部并加热定影带21的加热器23; 以及用于检测定影带21的温度的温度传感器27.在执行图像形成作业时，在最后的记录介质通过定影装置20之后，控制定影带21的旋转驱动以在旋转驱动之前停止排出辊对13。

9. 发明专利

JP2013178461A Fixation device and image formation apparatus 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2013178461A
公开(公告)日：2013-09-09
申请号：JP2012216290
申请日：2012-09-28
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YOSHINAGA HIROSHI , SATO MASAHIKO , YOSHIKAWA MASAAKI , ISHII KENJI , OGAWA SADAFUMI , TAKAGI HIROTADA , IWATANI NAOKI , SESHIMO TAKUYA , IMADA TAKAHIRO , GOTO SO , SUZUKI AKIRA , KAWADA TEPPEI , SHIMOKAWA TOSHIHIKO , YOSHIURA ARINOBU , HASE TAKAMASA , UCHITANI TAKESHI , YUASA SHUTARO , YAMAJI KENSUKE
IPC分类号： G03G15/20
CPC分类号： G03G15/2064 , G03G15/2053 , G03G2215/2035
摘要： PROBLEM TO BE SOLVED: To provide a fixation device capable of improving strength of a supporting member for supporting a nip formation member so as to prevent bending of the nip formation member.SOLUTION: A fixation device 20 includes: a rotatable endless fixation belt 21; a nip formation member 24 arranged inside the fixation belt 21; a counter rotary body 22 making contact with the nip formation member 24 through the fixation belt 21 to form a nip part N between the fixation belt 21 and the counter rotary body 22; a heat source 23 for directly heating the fixation belt 21 at a location other than the nip part N; and a supporting member 25 for supporting the nip formation member 24. In the fixation device 20, a recording medium P carrying an unfixed image is conveyed to the nip part N between the rotating fixation belt 21 and the counter rotary body 22 to fix the unfixed image to the recording medium P. The supporting member 25 has a rising portion 25b extending in a contact direction of the counter rotary body 22 to the fixation belt 21, with a tip thereof coming in a vicinity of an inner periphery of the fixation belt, regulating section modulus to be a specified value (200 mm3 or larger).
摘要翻译：要解决的问题：提供一种能够提高用于支撑辊隙形成构件的支撑构件的强度以便防止辊隙形成构件的弯曲的固定装置。解决方案：固定装置20包括：可旋转的环形定影带21; 布置在定影带21内的辊隙形成构件24; 反转旋转体22通过定影带21与辊隙形成构件24接触，以在定影带21和反转体22之间形成咬合部分N; 用于在夹持部分N以外的位置直接加热定影带21的热源23; 以及用于支撑辊隙形成构件24的支撑构件25.在固定装置20中，携带未定影图像的记录介质P被传送到旋转定影带21和反转体22之间的夹持部N，以将未固定图像到记录介质P.支撑构件25具有在相对旋转体22的接触方向上延伸到定影带21的上升部25b，其顶端位于定影带的内周附近，调节截面模数为规定值（200mm 3以上）。

10. 发明专利

JP2013174629A Fixing device, and image forming apparatus 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2013174629A
公开(公告)日：2013-09-05
申请号：JP2012021630
申请日：2012-02-03
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAMAJI KENSUKE , SATO MASAHIKO , YOSHIKAWA MASAAKI , ISHII KENJI , YOSHINAGA HIROSHI , OGAWA SADAFUMI , UCHITANI TAKESHI , TAKAGI HIROTADA , SESHIMO TAKUYA , KAWADA TEPPEI , YOSHIURA ARINOBU , IMADA TAKAHIRO , GOTO SO , HASE TAKAMASA , SHIMOKAWA TOSHIHIKO , YUASA SHUTARO , SUZUKI AKIRA
IPC分类号： G03G15/20
CPC分类号： G03G15/2075 , G03G15/2025 , G03G15/2053 , G03G2215/2035
摘要： PROBLEM TO BE SOLVED: To provide a fixing device capable of reducing slide resistance at a nip part formed by a fixing belt and a stationary member in an efficient and stable manner without causing fixing failure, even in the case where warm-up time or first-print time is short, and the device is operated at a high speed; and an image forming apparatus.SOLUTION: A sheet-like member 22 impregnated with lubricant is installed to be interposed between a stationary member and a fixing belt over a width direction at a position of a nip part. The sheet-like member 22 has a flow channel 22d formed at the nip part through which lubricant impregnated into one end side in the width direction is moved to the other end side in the width direction by running of the fixing belt.
摘要翻译：要解决的问题：即使在预热时间或第一次的情况下，提供一种能够以有效且稳定的方式有效地且稳定地降低由定影带和固定部件形成的辊隙部分处的滑动阻力的定影装置，打印时间短，设备运行速度快; 和图像形成装置。解决方案：浸渍有润滑剂的片状构件22安装成在夹持部的位置处沿宽度方向插入在固定构件和定影带之间。片状构件22具有形成在辊隙部分处的流动通道22d，通过该夹持部分浸渍在宽度方向上的一个端侧的润滑剂通过定影带的移动而在宽度方向上移动到另一端侧。

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