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    • 1. 发明专利
    • 画像形成装置
    • 图像形成装置
    • JP2014215581A
    • 2014-11-17
    • JP2013095194
    • 2013-04-30
    • キヤノン株式会社Canon Inc
    • TAKEDA KANMICHIDA KAZUHIROSUZUKI AKIMICHIMITANI TAKANORI
    • G03G15/20
    • G03G15/20
    • 【課題】定着部において熱可塑性樹脂を含む材料で形成される第一の回転体を用い、記録材に形成された画像の良好な定着処理を維持できるようにする。【課題手段】記録材に画像を形成する画像形成部101と、記録材に形成された画像を定着する定着部であって、熱可塑性樹脂を含む材料で形成された第一回転体51と、前記第一回転体と圧接してニップ部Nを形成する第二回転体30と、を有し、前記ニップ部で記録材を挟持しつつ加熱して画像を記録材に定着する定着部102と、前記第一回転体若しくは前記第二回転体の回転を制御する制御手段103と、を有する画像形成装置において、前記第一回転体若しくは前記第二回転体の回転を停止する時点で、前記第一回転体若しくは前記第二回転体の少なくとも一方の温度が前記第一回転体のガラス転移点以上の場合、前記温度が前記第一回転体のガラス転移点よりも低い温度になってから停止させることを特徴とする。【選択図】図9
    • 要解决的问题:通过使用由固定单元中的含有热塑性树脂的材料形成的第一旋转体来保持在记录介质上形成的图像的良好的固定。解决方案:提供一种图像形成装置,其具有图像形成单元101 用于在记录介质上形成图像的第一旋转体51,作为用于固定形成在记录介质上并由含有热塑性树脂的材料形成的图像的固定单元的第一旋转体51和用于形成夹持部N的第二旋转体30 与第一旋转体压力接触,并且具有固定单元102,用于通过将记录介质夹在记录介质中而将其记录在记录介质上,同时将其夹在夹持部分中;以及控制装置103,用于控制第一旋转体或第二旋转体的旋转 旋转体,其中所述图像形成装置的特征在于,如果当所述第一旋转体或第二旋转体的旋转停止时,所述温度 第一旋转体和/或第二旋转体的重量高于第一旋转体的玻璃化转变点,直到所述温度低于第一旋转体的玻璃化转变点为止,不执行停止旋转。
    • 2. 发明专利
    • Image heating apparatus
    • 图像加热装置
    • JP2010054821A
    • 2010-03-11
    • JP2008219963
    • 2008-08-28
    • Canon Incキヤノン株式会社
    • UEKAWA EIJINAKAHARA HISASHITAKEDA KAN
    • G03G15/20H05B3/00H05B3/10H05B3/12H05B3/20
    • PROBLEM TO BE SOLVED: To prevent the problem that a film inner surface is cut and a crack which results in causing a starting point of film breakage is generated because sand or dust accumulated on film end surfaces is intruded into the case that a heat fixing apparatus of a film heating method is used in an emerging market etc., with much dust and sand.
      SOLUTION: A step is formed slightly inward from a longitudinal end of the film on a contact surface with the film in a ceramic heater. The step is formed of protective glass for a heating body in the case of front surface heating, and the step is formed of such as a sliding layer formed on the front surface in the case of backside heating. The dust or sand is prevented from being further intruded therein and the inner surface of the film is prevented from being cut since the dust or sand is caught and stayed in gaps between the step and the film even if the dust or sand is intruded from the end of the film.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题为了防止膜内表面被切割的问题,并且产生导致膜断裂起点的裂纹,因为积聚在膜端面上的砂或灰尘被侵入到 在新兴市场等中使用膜加热方法的热定影装置,具有大量的灰尘和沙子。 解决方案:在与陶瓷加热器中的膜的接触表面上,从膜的纵向端稍微向内形成台阶。 在前表面加热的情况下,由加热体用保护玻璃形成台阶,在背面加热的情况下,由形成在前表面的滑动层形成台阶。 防止灰尘或砂子进一步侵入,并且防止了灰尘或沙子被捕获并且保持在台阶和膜之间的间隙中的膜的内表面,即使灰尘或沙子从 电影结束。 版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Image forming device, and cleaning method for heating rotor or pressurizing member
    • 图像形成装置和用于加热转子或加压构件的清洁方法
    • JP2009103789A
    • 2009-05-14
    • JP2007273573
    • 2007-10-22
    • Canon Incキヤノン株式会社
    • UEKAWA EIJIASAMI JUNTAKEDA KANSUZUMI MASAHIKO
    • G03G15/20G03G21/00
    • PROBLEM TO BE SOLVED: To provide an image forming device, a cleaning method for a heating rotor, and a leaning method for a pressurizing member, capable of removing effectively toner contamination deposited on a surface of the heating rotor or the pressurizing member, and capable of restraining a defective image from being generated. SOLUTION: This image forming device is provided with: an image forming means for forming a toner image on a sheet material; and an image heater 200 for passing the sheet material to a heating nip part N formed of a fixing film 13 and a pressurizing roller 20 pressure-contacting with the fixing film 13, and for heating the toner image on the sheet material. The device has a cleaning mode for cleaning a surface of the fixing film 13, by passing the sheet material formed with a prescribed image pattern through the heating nip part N. In the image forming device, the image forming means forms the prescribed image pattern, by executing unframed printing of forming the image without providing a blank space area in a width-directional end part of the sheet material, in the cleaning mode. COPYRIGHT: (C)2009,JPO&INPIT
    • 解决问题:为了提供图像形成装置,加热转子的清洁方法和加压构件的倾斜方法,能够有效地去除沉积在加热转子或加压构件的表面上的调色剂污染物 并且能够抑制不良图像的产生。 该图像形成装置设置有:用于在片材上形成调色剂图像的图像形成装置; 以及图像加热器200,用于将片材材料传送到由定影膜13形成的加热辊隙部分N和与定影膜13压力接触的加压辊20,并且用于加热片材上的调色剂图像。 该装置具有通过使形成有规定图像图案的片材通过加热夹持部分N来清洁定影膜13的表面的清洁模式。在图像形成装置中,图像形成装置形成规定的图像图案, 在清洁模式下,通过执行形成图像的非成帧打印而不在片材的宽度方向端部中设置空白区域。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Fixing device and image forming apparatus
    • 固定装置和图像形成装置
    • JP2008009165A
    • 2008-01-17
    • JP2006180057
    • 2006-06-29
    • Canon Incキヤノン株式会社
    • TAKEDA KANNAKAHARA HISASHIUEKAWA EIJINAKAZONO YUSUKE
    • G03G15/20
    • PROBLEM TO BE SOLVED: To provide a fixing device having an inexpensive and simple circuit and capable of more effectively preventing a phenomenon that an image defect is caused by the adhesion of a part of an unfixed toner image to a fixing rotating body with which the toner image comes into contact during fixing, and an image forming apparatus.
      SOLUTION: An electric conduction path K1 is provided between the surface of the fixing rotating body 23 or the vicinity thereof and a destaticizing means 41 eliminating the surface potential of a pressuring rotating body 24, and then charge destaticized by the destaticizing means 41 is moved to the surface of the fixing rotating body 23 or the vicinity thereof.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种具有便宜且简单的电路的定影装置,并且能够更有效地防止图像缺陷由未定影的调色剂图像的一部分粘附到固定旋转体上而引起的现象, 调色剂图像在固定期间接触,以及图像形成装置。 解决方案:在固定旋转体23的表面或其附近设置导电路径K1和消除加压旋转体24的表面电位的去静电装置41,然后由去静电装置41进行静电充电 移动到固定旋转体23的表面或其附近。 版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • Image heating device
    • 图像加热装置
    • JP2010134094A
    • 2010-06-17
    • JP2008308545
    • 2008-12-03
    • Canon Incキヤノン株式会社
    • UEKAWA EIJINAKAZONO YUSUKENAKAHARA HISASHIASAMI JUNTAKEDA KANMATSUBARA HIDEYUKI
    • G03G15/20
    • PROBLEM TO BE SOLVED: To provide a means for performing satisfactory heat fixing without unnecessary wait time and without increasing the adjustment temperature of a heater, even when a heat fixing device of a film heating system is in a cold state.
      SOLUTION: The image heating device introduces a recording material to a nip and passes it through the nip, thereby heating the material, the nip being formed in a pressure contact part between a pressure roller 20 and a fixing film 13 incorporating the heater 11. In the image heater, 3% or more air holes of the surface area of a stay are lengthwise formed at substantially regular intervals in the surface of a metal stay 14, which is molded in an inverted U shape for lengthwise pressing it against a heat insulation holder 12 holding the heater. By reducing the heat capacity of the stay and increasing the heat insulation effect, heat transfer efficiency during a cold period is enhanced.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:即使当薄膜加热系统的热定影装置处于冷态时,提供一种用于执行满意的热定影而不需要等待时间并且不增加加热器的调节温度的装置。 解决方案:图像加热装置将记录材料引入辊隙并使其通过辊隙,从而加热材料,辊隙形成在加压辊20和加热加热器的定影膜13之间的压力接触部分中 在图像加热器中,在金属支柱14的表面上以大致规则的间隔纵向形成有3个或更多个支柱表面积的气孔,该金属支柱14以倒U形模制,以将其纵向按压 保温加热器12。 通过降低停留时间的热容和增加隔热效果,可以提高冷时期的传热效率。 版权所有(C)2010,JPO&INPIT
    • 8. 发明专利
    • Image heating device and heater used in the image heating device
    • 图像加热装置和图像加热装置中使用的加热器
    • JP2010113123A
    • 2010-05-20
    • JP2008285250
    • 2008-11-06
    • Canon Incキヤノン株式会社
    • TAKEDA KANUEKAWA EIJIASAMI JUN
    • G03G15/20
    • PROBLEM TO BE SOLVED: To improve a heater both in transmission of heat to a flexible member and in slidability between the heater and the flexible member.
      SOLUTION: The image heating device includes: the heater 11 having a substrate 11a and an energized heat generating element 11b disposed on the substrate along the length of the substrate; a flexible member 13 having a metal layer 13a that moves in contact with a face of the substrate, whose face has the energized heat generating element thereon. The image heating device heats, via the flexible member, an image t on the recording material P by means of heat generated by the energized heat generating element. In the image heating device, the face of the substrate, on which the energized heat generating element is provided, has an electrically insulating layer 11e and a slide layer 11f in the widthwise direction of the substrate, the electrically insulating layer 11e being formed from glass in the area where the power supply heat generating element is present, and the slide layer 11f being formed from imido resin in the area where the power supply heat generating element is not present.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了改善热量传递到柔性构件的加热器以及加热器和柔性构件之间的滑动性。 图像加热装置包括:加热器11,具有基板11a和沿基板长度设置在基板上的通电发热元件11b; 具有金属层13a的柔性构件13,该金属层13a与基板的面接触,其表面上具有通电的发热元件。 图像加热装置通过柔性构件通过由通电的发热元件产生的热量加热记录材料P上的图像t。 在图像加热装置中,设置有通电发热元件的基板的表面在基板的宽度方向上具有电绝缘层11e和滑动层11f,电绝缘层11e由玻璃形成 在电源发热元件存在的区域中,滑动层11f由不存在电源发热元件的区域中的酰亚胺树脂形成。 版权所有(C)2010,JPO&INPIT
    • 9. 发明专利
    • Fixing device and image forming apparatus including it
    • 固定装置和图像形成装置,包括它
    • JP2009058536A
    • 2009-03-19
    • JP2007223026
    • 2007-08-29
    • Canon Incキヤノン株式会社
    • SUZUKI TAKEHIKOTAKEDA KANSUZUMI MASAHIKOASAMI JUN
    • G03G15/20
    • PROBLEM TO BE SOLVED: To provide a fixing device, reducing contamination of a fixing roller or contamination of a fixing film to achieve high image quality, and an image forming apparatus including it.
      SOLUTION: This fixing device 17 includes: a fixing roller 30 having a heating element in the interior; and a pressure roller brought into pressure contact with the fixing roller 30 to form a nip part, wherein a sheet material P is held in the nip part to pressurize and heat the sheet material P, thereby fixing a toner image on the sheet material P. In the fixing device 17, a pad 50 coming into frictional contact with the surface of the fixing roller 30 to clean the surface of the fixing roller 30 is disposed to come into frictional contact with a portion of the surface of the fixing roller 30 that comes into contact with a non-print area of the sheet material having the maximum width in the sheet material P held in the nip part.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种定影装置,减少定影辊的污染或定影膜的污染以实现高图像质量,以及包括它的图像形成装置。 解决方案:该固定装置17包括:在内部具有加热元件的定影辊30; 以及与定影辊30压力接触的压力辊以形成压合部,其中片材P被保持在辊隙部分中,以加压和加热片材P,从而将调色剂图像定影在片材P. 在定影装置17中,设置与定影辊30的表面摩擦接触以清洁定影辊30的表面的垫50,以与定影辊30的表面的一部分摩擦接触 与保持在辊隙部中的片材P中具有最大宽度的片材的非打印区域接触。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Image heating device and method for manufacturing guide member
    • 图像加热装置及其制造方法
    • JP2008281617A
    • 2008-11-20
    • JP2007123361
    • 2007-05-08
    • Canon Incキヤノン株式会社
    • NAKAHARA HISASHITAKEDA KANNISHIYAMA TATSUONAKAZONO YUSUKEHAYAKAWA AKIRAUEKAWA EIJIMUROOKA KENASAMI JUN
    • G03G15/20
    • PROBLEM TO BE SOLVED: To provide an image heating device of film heating type in which a fixing film or pressure roller is prevented from slipping on a sheet material while securely applying heat to an image on the sheet material with a simple configuration.
      SOLUTION: The image heating device includes: a flexible fixing film 22; a ceramic heater 23 that slides on the inner circumferential face of the fixing film 22; a stay member 21 which is disposed inside the fixing film 22, to which the ceramic heater 23 is attached, and which slides on the inner circumferential face of the fixing film 22 to guide the rotation of the fixing film 22. In the image heating device, the sliding face between the stay member 21 and the fixing film 22 is roughened, and the ten-point average roughness Rzjis of the sliding face is 10 μm or larger.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种薄膜加热型的图像加热装置,其中防止定影膜或压力辊在片材上滑动,同时以简单的构造可靠地对片材上的图像施加热量。 图像加热装置包括:柔性定影膜22; 在定影膜22的内周面上滑动的陶瓷加热器23; 设置在固定膜22内的保持构件21,陶瓷加热器23安装在该固定膜22上,并且在定影膜22的内周面上滑动以引导定影膜22的旋转。在图像加热装置 ,支撑构件21和定影膜22之间的滑动面变粗糙,滑动面的十点平均粗糙度Rzjis为10μm以上。 版权所有(C)2009,JPO&INPIT