公开(公告)号：JP2017090542A

公开(公告)日：2017-05-25

申请号：JP2015216826

申请日：2015-11-04

Applicant: 株式会社リコー ,  Ricoh Co Ltd

Inventor： SAKAMAKI TAKASHI ,  SUZUKI NAOTO ,  NAMEKATA SHINICHI ,  KAWADA TEPPEI ,  UJIIE HIROTERU

IPC: G03G15/20

Abstract: 【課題】簡易な構成としながら、研磨性能を確保しつつ異常画像の発生を抑制する。【解決手段】本発明は、未定着のトナーを用紙8に定着させるための定着ベルト64と、この定着ベルト64との間において用紙8を加圧する加圧ローラ65と、上記定着ベルト64の表面を改質するための定着表面改質部材90と、を備えた定着装置において、その定着表面改質部材90が芯金91及び芯金91の外周面を覆う研磨層92を有しており、芯金91の表面を凹凸形状にすることで、研磨層92の表面が凹凸形状を有している。【選択図】図3

公开(公告)号：JP2014215376A

公开(公告)日：2014-11-17

申请号：JP2013090985

申请日：2013-04-24

Applicant: 株式会社リコー ,  Ricoh Co Ltd

Inventor： UTSUNOMIYA KOICHI ,  OKAMOTO MASAMI ,  SUZUKI NAOTO ,  TOKUDA TETSUO ,  SAKAMAKI TAKASHI ,  HIROSE FUMIHIRO ,  YAMANO MOTOYOSHI

IPC: G03G15/20

CPC classification number: G03G15/20

Abstract: 【課題】安定性の高い定着部材の摺擦動作を実現する。【解決手段】定着ベルト24と、加圧ローラ23と、定着ベルト24に対して圧接および離間可能に設けられるとともに、定着ベルト24と圧接する状態で定着ベルト24の表面を摺擦する研磨部材26と、を備え、ニップ部Nに未定着トナー像Tを担持した記録媒体Pを搬送して、該未定着トナー像Tを記録媒体Pに定着する定着装置20において、研磨部材26を定着ベルト24に圧接させる前の離間状態において、研磨部材26を、該研磨部材26が定着ベルト24と圧接する位置において、定着ベルト24の搬送方向と同方向となる回転方向に予備回転させ、該予備回転状態で研磨部材26を定着ベルト24に圧接させた後に、研磨部材26の回転数を変化させる。【選択図】図2

Abstract translation: 要解决的问题：为了实现固定构件的高度稳定的摩擦操作。解决方案：定影装置20包括定影带24，加压辊23和抛光构件26，其可以被压力接触和分离 定影带24对定影带24的表面进行抛光，与定影带24压力接触。定影装置20将携带未定影调色剂图像T的记录介质P传送到夹持部分N中，并将未定影的调色剂图像 T与记录介质P分离。与定影带24不接触的分离的抛光构件26在与定影带24的输送方向相同的方向上预先旋转在抛光构件26 与定影带24压力接触，并且预先旋转的抛光构件26与定影带24压力接触。此后，抛光构件26的旋转速度改变。

公开(公告)号：JP2014134656A

公开(公告)日：2014-07-24

申请号：JP2013002449

申请日：2013-01-10

Applicant: Ricoh Co Ltd ,  株式会社リコー

Inventor： SAKAMAKI TAKASHI ,  OKAMOTO MASAMI ,  OKAMOTO JUN ,  SUZUKI NAOTO ,  WATANABE YOHEI ,  HIROSE FUMIHIRO ,  TOKUDA TETSUO ,  YAMANO MOTOYOSHI

IPC: G03G15/20

Abstract: PROBLEM TO BE SOLVED: To provide a heat fixing device capable of holding the surface quality of a fixing member for a long period to prevent the occurrence of image defects.SOLUTION: A heat fixing device includes: a fixing member that is brought into contact, on the surface, with a recording medium and an unfixed toner carried on the recording medium to heat-fix the unfixed toner onto the recording medium; and a rubbing member that is rotationally driven to rub the surface to maintain the surface quality of the fixing member. The heat fixing device further includes a cleaning member having a brush part that rubs to clean the surface of the rubbing member.

Abstract translation: 要解决的问题：提供一种能够长时间保持定影构件的表面质量以防止图像缺陷的发热的热定影装置。解决方案：一种热定影装置，包括：固定构件，其接触， 表面上具有记录介质和承载在记录介质上的未定影调色剂以将未定影的调色剂热固定到记录介质上; 以及被旋转驱动以摩擦表面以保持固定构件的表面质量的摩擦构件。 热定影装置还包括清洁构件，其具有摩擦擦拭摩擦构件的表面的刷部。

公开(公告)号：JP2014021337A

公开(公告)日：2014-02-03

申请号：JP2012160871

申请日：2012-07-19

Applicant: Ricoh Co Ltd ,  株式会社リコー

Inventor： SAKAMAKI TAKASHI ,  OKAMOTO JUN ,  SUZUKI NAOTO ,  UENO SATOSHI ,  HIROSE FUMIHIRO ,  TOKUDA TETSUO ,  YAMANO MOTOYOSHI

IPC: G03G15/20

Abstract: PROBLEM TO BE SOLVED: To provide a fixing device configured to move a separation plate cleaning member disposed in a separation plate forward and backward in a longitudinal direction of the separation plate, to remove a foreign matter such as toner deposited on the separation plate, paper dust or carrier, thereby preventing an abnormal image with stain or vertical stripes, and to provide an image forming device.SOLUTION: A fixing device has a function of conveying a recording medium P with unfixed toner carried thereon to a nip part n formed by a rotating fixing member 81 with heating mean 831 and a rotating pressure member 83 pressed by the fixing member, to fix a toner image on the recording medium. The fixing device includes: a separation plate 41 for separating the recording medium to be conveyed from the nip part from the fixing member; a separation plate cleaning member 43 disposed at one longitudinal end of the separation plate 41; a separation plate cleaning member operation mechanism 44 for moving the separation plate cleaning member forward and backward in a longitudinal direction of the separation plate; and control means 90 for controlling motion of the separation plate cleaning member at a predetermined timing via the separation plate cleaning member operation mechanism.

Abstract translation: 要解决的问题：提供一种定影装置，其被配置为沿分隔板的纵向向前和向后移动分隔板清洁部件，以去除沉积在分离板上的诸如调色剂的异物，纸 灰尘或载体，从而防止带有污迹或垂直条纹的异常图像，并提供图像形成装置。解决方案：定影装置具有将携带有未定影调色剂的记录介质P输送到由 旋转固定构件81的加热平均值为831，旋转压力构件83被固定构件按压，以将调色剂图像定影在记录介质上。 定影装置包括：分离板41，用于将要从夹持部传送的记录介质从固定部件分离; 设置在分离板41的一个纵向端部的分离板清洁部件43; 分离板清洁部件操作机构44，用于沿着分离板的纵向方向前后移动分离板清洁部件; 以及用于经由分离板清洁部件操作机构在预定的时刻控制分离板清洁部件的运动的控制装置90。

公开(公告)号：JP2014016445A

公开(公告)日：2014-01-30

申请号：JP2012153309

申请日：2012-07-09

Applicant: Ricoh Co Ltd ,  株式会社リコー

Inventor： YAMANO MOTOYOSHI ,  TOKUDA TETSUO ,  SAKAMAKI TAKASHI ,  OKAMOTO JUN ,  UENO TOMOSHI ,  SUZUKI NAOTO ,  HIROSE FUMIHIRO

IPC: G03G15/20

Abstract: PROBLEM TO BE SOLVED: To obtain an appropriate temperature distribution in a width direction of a recording medium.SOLUTION: A fixing device 20 includes a heating roller 21 heated by induction heating means 30, a fixing roller 22, a fixing belt 24 stretched on the heating roller 21 and the fixing roller 22, and a pressurizing roller 23 forming a nip between itself and the fixing roller 22. The induction heating means 30 includes: a plurality of exciting coils 31a, 31b that are concentric to each other and have different lengths in an axial direction of the heating roller 21; a resonance circuit 35 for supplying an alternating current to the exciting coils 31a, 31b; and a switching circuit 34 for switching a connection state between the resonance circuit 35 and one exciting coil of the plurality of exciting coils 31a, 31b.

Abstract translation: 要解决的问题：为了获得在记录介质的宽度方向上的适当的温度分布。解决方案：定影装置20包括由感应加热装置30加热的加热辊21，定影辊22，在 加热辊21和定影辊22以及在其自身和定影辊22之间形成辊隙的加压辊23.感应加热装置30包括：多个彼此同心且具有不同长度的激励线圈31a，31b 在加热辊21的轴向上; 用于向励磁线圈31a，31b提供交流电的谐振电路35; 以及用于切换谐振电路35与多个励磁线圈31a，31b的一个励磁线圈之间的连接状态的开关电路34。

公开(公告)号：JP2009078919A

公开(公告)日：2009-04-16

申请号：JP2008144037

申请日：2008-06-02

Applicant: Ricoh Co Ltd ,  株式会社リコー

Inventor： NAKAMURA REKI ,  SUDO KAZUHISA ,  YUKI KAZUHIKO ,  KOINUMA NORIYUKI ,  YOSHIDA TAKASHI ,  ISHIBASHI MIKIO ,  IWASAKI YUKIKO ,  SAKAMAKI TAKASHI ,  ARAI MEGUMI

IPC: B65H37/04 ,  G03G9/087 ,  G03G15/00 ,  G03G15/14 ,  G03G21/00

Abstract: PROBLEM TO BE SOLVED: To provide a sheet pasting device capable of pasting sheet materials to each other without forming air bubbles between the sheet materials. SOLUTION: A pasting means is provided to paste a second sheet material S2, which is formed with an adhesive layer on one surface thereof, to a first sheet material, which is conveyed at a constant speed, through the adhesive layer by supplying the second sheet materials S2, obliquely crossing the first sheet material S1 at a required angle. The second sheet material is accelerated from the state of stopping so as to be brought in contact with the first sheet material at a speed lower than that of the first sheet material. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：提供一种能够在片材之间形成气泡的情况下彼此粘贴片材的片材粘贴装置。 解决方案：提供一种粘贴装置，用于将在其一个表面上形成有粘合剂层的第二片材S2粘合到通过供给的粘合剂层以一定速度输送的第一片材 第二片材S2，以所需的角度倾斜地与第一片材S1交叉。 第二片材从停止状态加速，以比第一片材低的速度与第一片材接触。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2009028885A

公开(公告)日：2009-02-12

申请号：JP2007239634

申请日：2007-09-14

Applicant: Ricoh Co Ltd ,  株式会社リコー

Inventor： YAMAMOTO KOSUKE ,  SUDO KAZUHISA ,  NAKAMURA REKI ,  MIZUTANI TAKEHIDE ,  ISHIBASHI MIKIO ,  IWASAKI YUKIKO ,  KOINUMA NORIYUKI ,  SAKAMAKI TAKASHI ,  YUKI KAZUHIKO ,  YOSHIDA TAKASHI ,  OTOSHI MEGUMI

IPC: B26D3/00 ,  B26D5/28 ,  B26D7/06 ,  G03G15/00

CPC classification number: B26D1/245 ,  B65H2701/1719 ,  B65H2801/27 ,  G03G15/6541 ,  G03G15/6582 ,  G03G2215/00814 ,  Y10T83/202 ,  Y10T156/1052 ,  Y10T156/1057 ,  Y10T156/12 ,  Y10T156/1343

Abstract: PROBLEM TO BE SOLVED: To provide a sheet material cutting device capable of easily/securely forming a sheet with aligned edges of sheet materials having a picture excellent in gloss and texture, and an image forming device equipped with the same. SOLUTION: An upper blade part 38 and a lower blade part 39 facing to each other are arranged so as to make their blade part edges 38a, 39a face to an upper surface 200a and a lower surface 200b of a pasted sheet material 200. At the time of cutting, the upper blade part 38 and the lower blade part 39 are vertically moved, and these blade part edges 38a, 39a cut the pasted sheet material 200 applying equal forces from the both sides of the sheet material, which makes displacement of layers smaller compared with a conventional method of cutting the three layers of the image sheet (pasted sheet material) 200 with one blade, which can reduce stress generated in toner of an intermediate layer. Cracks of the image and stripping of the sheet are suppressed to obtain a photo-like image with beautiful edges. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：提供一种片材切割装置，其能够容易地/可靠地形成具有光泽和质地优异的图像的片材的对准边缘的片材，以及配备有该图像形成装置的图像形成装置。 解决方案：将彼此面对的上刀片部分38和下刀片部分39布置成使其刀片部分边缘38a，39a面对粘贴片材200的上表面200a和下表面200b 在切割时，上部刀片部38和下部刀片部39垂直移动，并且这些刃部边缘38a，39a从片材的两面施加相等的力切割粘贴的片材200， 与使用一个叶片切割图像片（粘贴片材）300的三层的常规方法相比，层的位移更小，这可以减少中间层的调色剂中产生的应力。 抑制图像的裂纹和剥离，以获得具有美丽边缘的照片样图像。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2008268317A

公开(公告)日：2008-11-06

申请号：JP2007107788

申请日：2007-04-17

Applicant: Ricoh Co Ltd ,  株式会社リコー

Inventor： KOINUMA NORIYUKI ,  SUDO KAZUHISA ,  NAKAMURA REKI ,  ISHIBASHI MIKIO ,  IWASAKI YUKIKO ,  OTOSHI MEGUMI ,  YUKI KAZUHIKO ,  SAKAMAKI TAKASHI ,  MIZUTANI TAKEHIDE ,  YAMAMOTO KOSUKE ,  YOSHIDA TAKASHI

IPC: G03G21/00 ,  G03G15/22

Abstract: PROBLEM TO BE SOLVED: To provide an image forming apparatus for obtaining an image excellent in preservability and having a photographic tone with a simple configuration. SOLUTION: The image forming apparatus provided with a conveying path conveying a recording medium and an image forming section forming an image on the recording medium is provided with: an image selecting section which selects an original image or an image obtained by reversing the original image to be formed on the recording medium; an image control section which changes the toner adhesion amount of the same image on the recording medium, according to the image selected by the image selecting section; and further a recording medium selecting section which selects a non-transparent recording medium 91 or a transparent recording medium 101 to be conveyed into the conveying path. The image selecting section selects the original image, when the recording medium selecting section selects the non-transparent recording medium 91 and selects the image obtained by reversing the original image, when the recording medium selecting section selects the transparent recording medium 101. The image control section reduces the toner adhesion amount of the same image, when the recording medium selecting section selects the transparent recording medium 101. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：提供一种图像形成装置，用于获得具有良好保存性的图像并具有简单配置的照相色调。 解决方案：设置有传送记录介质的传送路径和在记录介质上形成图像的图像形成部分的图像形成设备设置有：图像选择部分，其选择原始图像或通过将 要在记录介质上形成的原始图像; 图像控制部分，根据由图像选择部分选择的图像改变记录介质上相同图像的调色剂附着量; 并且还有一个记录介质选择部分，其选择要被传送到输送路径中的不透明记录介质91或透明记录介质101。 当记录介质选择部分选择不透明记录介质91并选择通过反转原始图像而获得的图像时，图像选择部分选择原始图像，当记录介质选择部分选择透明记录介质101时。图像控制 当记录介质选择部分选择透明记录介质101时，减小相同图像的调色剂附着量。（C）版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2008229906A

公开(公告)日：2008-10-02

申请号：JP2007069281

申请日：2007-03-16

Applicant: Ricoh Co Ltd ,  株式会社リコー

Inventor： IWASAKI YUKIKO ,  NAKAMURA REKI ,  SUDO KAZUHISA ,  OTOSHI MEGUMI ,  ISHIBASHI MIKIO ,  KOINUMA NORIYUKI ,  SAKAMAKI TAKASHI ,  YUKI KAZUHIKO ,  YOSHIDA TAKASHI

IPC: B29C65/02 ,  B29C65/48 ,  B32B7/04 ,  B41J29/00 ,  G03G7/00 ,  G03G8/00 ,  G03G15/22

CPC classification number: G03G15/6573 ,  G03G15/6585 ,  G03G2215/00421 ,  G03G2215/00805

Abstract: PROBLEM TO BE SOLVED: To provide an image display medium forming method capable of eliminating the obstruction factor of glossiness caused by the irregular reflection in tone without increasing cost. SOLUTION: When a fixed toner image is again heated in the state held between a transparent medium and an opaque medium, a heating condition for more accelerating the melting and softening of the toner image on the side of the opaque medium than that of the toner image on the side of the transparent medium is used not only to breaking bubbles, which are positioned at the boundary part of the transparent medium and the toner image opposed thereto to finely divide them but also to make it easy to move the bubbles positioned at the boundary part toward the opaque medium to prevent the occurrence of irregular reflection in a case that the bubbles are present at the boundary position of the transparent medium and the toner image opposed thereto. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：提供一种能够消除由于色调中的不规则反射而引起的光泽度的阻碍因素而不增加成本的图像显示介质形成方法。 解决方案：当固定的调色剂图像在保持在透明介质和不透明介质之间的状态下再次加热时，加热条件用于使不透明介质侧的调色剂图像的熔化和软化更加促进 透明介质一侧的调色剂图像不仅用于破坏位于透明介质的边界部分的气泡和与其相对的调色剂图像以使其细分，而且使得容易移动位于 在边界部分朝向不透明介质，以防止在透明介质的边界位置和与其相对的调色剂图像中存在气泡的情况下出现不规则反射。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2008222436A

公开(公告)日：2008-09-25

申请号：JP2007239605

申请日：2007-09-14

Applicant: Ricoh Co Ltd ,  株式会社リコー

Inventor： NAKAMURA REKI ,  ISHIBASHI MIKIO ,  SUDO KAZUHISA ,  KOINUMA NORIYUKI ,  YUKI KAZUHIKO ,  IWASAKI YUKIKO ,  OTOSHI MEGUMI ,  SAKAMAKI TAKASHI ,  YOSHIDA TAKASHI

IPC: B65H37/04 ,  B65H23/195 ,  B65H39/042 ,  G03G21/00

Abstract: PROBLEM TO BE SOLVED: To provide a sheet adhering apparatus capable of adhering mutual sheets, without making bubbles intrude between the sheet and the sheet. SOLUTION: This sheet adhering apparatus has a transfer part 2 transferring a first sheet composed of a transparent sheet S1 of recording, for example, a toner image, and a delivery part 3 obliquely delivering a second sheet composed of an opaque sheet S2 having, for example, a pressure sensitive adhesive layer toward the transfer direction of the first sheet to be stickable to the first sheet transferring by its transfer part 2. The transfer part 2 and the delivery part 3 are constituted so that an adhering angle gradually becomes large, by imparting a speed difference such as a transfer speed of the second sheet becomes larger in a speed than a transfer speed of the first sheet. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供能够粘附相互片材的片状粘合装置，而不会在片材和片材之间产生气泡。 解决方案：该片材粘合装置具有转印部分2，该转印部分2转印由例如调色剂图像记录的透明片材S1构成的第一片材​​和倾斜递送由不透明片材S2组成的第二片材的递送部分3 具有例如朝向第一片的传送方向的压敏粘合剂层，以便通过其转印部2传送第一片。粘合剂2和输送部3构成为使粘附角逐渐变得 通过赋予诸如第二片的转印速度的速度差的速度大于第一片的转印速度的速度变大。 版权所有（C）2008，JPO＆INPIT