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    Image heating apparatus and conveying roller for use therein
    1.
    发明申请
    Image heating apparatus and conveying roller for use therein 有权
    图像加热装置和用于其中的输送辊

    公开(公告)号：US20050244200A1

    公开(公告)日：2005-11-03

    申请号：US11091638

    申请日：2005-03-29

    申请人： Akihito Kanamori ,  Satoru Izawa ,  Fumiki Inui ,  Hiroto Hasegawa ,  Eiji Uekawa ,  Shinji Hashiguchi ,  Koji Nihonyanagi ,  Toshiya Kaino

    发明人： Akihito Kanamori ,  Satoru Izawa ,  Fumiki Inui ,  Hiroto Hasegawa ,  Eiji Uekawa ,  Shinji Hashiguchi ,  Koji Nihonyanagi ,  Toshiya Kaino

    IPC分类号： G03G15/20 ,  B65H5/06 ,  G03G15/00

    CPC分类号： G03G15/2053 ,  G03G15/2042 ,  G03G2215/2067

    摘要： An image heating apparatus for heating an image formed on a recording material, the apparatus including a conveying roller for conveying a recording material, the conveying roller including a metal core and an elastic layer provided outside the metal core, wherein the metal core has, in a central portion in the longitudinal direction thereof, a straight shape area having a substantially uniform diameter along the longitudinal direction and tapered shape areas, on both sides of the straight shape area, in which a diameter gradually decreases toward ends in the longitudinal direction, and wherein the elastic layer has, in a central portion in the longitudinal direction thereof, a straight shape area having a substantially uniform diameter along the longitudinal direction and inverted crown shape areas, on both sides of the straight shape area, in which a diameter gradually increases toward ends in the longitudinal direction. This configuration allows to prevent defects in image heating while suppressing creases in the recording material.

    摘要翻译： 一种用于加热形成在记录材料上的图像的图像加热装置，所述装置包括用于传送记录材料的输送辊，所述输送辊包括金属芯和设置在金属芯外侧的弹性层，其中金属芯具有 在其纵向方向上的中心部分，直线形状区域在直线形状区域的两侧沿着纵向方向具有大致均匀的直径和锥形形状区域，其中直径朝向纵向方向的端部逐渐减小，以及 其特征在于，所述弹性层在其长度方向的中央部具有在所述直线形状区域的两侧具有直径逐渐增加的直线形状区域，所述直线形状区域沿着所述长度方向具有大致均匀的直径， 朝向长度方向的端部。 这种构造允许在抑制记录材料中的折痕的同时防止图像加热中的缺陷。

    Image heating apparatus having heater for externally heating fixing roller
    2.
    发明授权
    Image heating apparatus having heater for externally heating fixing roller 失效
    图像加热装置具有用于外部加热定影辊的加热器

    公开(公告)号：US07190914B2

    公开(公告)日：2007-03-13

    申请号：US11046836

    申请日：2005-02-01

    申请人： Koji Nihonyanagi ,  Hiroto Hasegawa ,  Shinji Hashiguchi

    发明人： Koji Nihonyanagi ,  Hiroto Hasegawa ,  Shinji Hashiguchi

    IPC分类号： G03G15/20

    CPC分类号： G03G15/2025

    摘要： The image heating apparatus for heating a toner image formed on a recording material, includes a rotatable member; heating device for heating an outer peripheral surface of the rotatable member, the heating device including a heater for forming a heating nip portion in cooperation with the rotatable member; back-up device for forming a conveying nip portion in cooperation with the rotatable member, the conveying nip portion conveying the recording material; and control device for controlling a temperature of the heater and a rotation of the rotatable member; wherein the apparatus has a cleaning mode to remove toner from the heating device, wherein the control device, in the cleaning mode, starts energizing the heater to dissipate heat in a condition that the rotatable member stops and afterward stops energizing the heater, and wherein the control device rotates the rotatable member until a part which forms a heating nip portion in a peripheral direction of the rotatable member reaches the conveying nip portion. By the virtue of the present invention, it prevents stain caused by the off-set of toner the recording material in an image heating apparatus.

    摘要翻译： 用于加热形成在记录材料上的调色剂图像的图像加热装置包括可旋转构件; 加热装置，用于加热可旋转构件的外周表面，加热装置包括与可旋转构件协作形成加热辊隙部分的加热器; 用于与可旋转构件协作形成输送辊隙部分的备用装置，输送夹持部分输送记录材料; 以及用于控制所述加热器的温度和所述可旋转构件的旋转的控制装置; 其中所述设备具有从所述加热装置去除调色剂的清洁模式，其中所述控制装置在所述清洁模式下开始激活所述加热器以在所述可旋转构件停止并且之后停止对所述加热器通电的状态下散热，并且其中 控制装置旋转可旋转构件，直到在可旋转构件的圆周方向上形成加热夹持部的部分到达输送夹持部。 借助于本发明，可以防止由图像加热装置中的记录材料的调色剂偏离造成的污染。

    Image heating apparatus and conveying roller for use therein
    4.
    发明授权
    Image heating apparatus and conveying roller for use therein 有权
    图像加热装置和用于其中的输送辊

    公开(公告)号：US07251447B2

    公开(公告)日：2007-07-31

    申请号：US11091638

    申请日：2005-03-29

    申请人： Akihito Kanamori ,  Satoru Izawa ,  Fumiki Inui ,  Hiroto Hasegawa ,  Eiji Uekawa ,  Shinji Hashiguchi ,  Koji Nihonyanagi ,  Toshiya Kaino ,  Masami Takeda

    发明人： Akihito Kanamori ,  Satoru Izawa ,  Fumiki Inui ,  Hiroto Hasegawa ,  Eiji Uekawa ,  Shinji Hashiguchi ,  Koji Nihonyanagi ,  Toshiya Kaino ,  Masami Takeda

    IPC分类号： G03G15/20 ,  H05B1/00 ,  H05B3/00 ,  H05B11/00

    CPC分类号： G03G15/2053 ,  G03G15/2042 ,  G03G2215/2067

    摘要： An image heating apparatus for heating an image formed on a recording material, the apparatus including a conveying roller for conveying a recording material, the conveying roller including a metal core and an elastic layer provided outside the metal core, wherein the metal core has, in a central portion in the longitudinal direction thereof, a straight shape area having a substantially uniform diameter along the longitudinal direction and tapered shape areas, on both sides of the straight shape area, in which a diameter gradually decreases toward ends in the longitudinal direction, and wherein the elastic layer has, in a central portion in the longitudinal direction thereof, a straight shape area having a substantially uniform diameter along the longitudinal direction and inverted crown shape areas, on both sides of the straight shape area, in which a diameter gradually increases toward ends in the longitudinal direction. This configuration allows to prevent defects in image heating while suppressing creases in the recording material.

    摘要翻译： 一种用于加热形成在记录材料上的图像的图像加热装置，所述装置包括用于传送记录材料的输送辊，所述输送辊包括金属芯和设置在金属芯外侧的弹性层，其中金属芯具有 在其纵向方向上的中心部分，直线形状区域在直线形状区域的两侧沿着纵向方向具有大致均匀的直径和锥形形状区域，其中直径朝向纵向方向的端部逐渐减小，以及 其特征在于，所述弹性层在其长度方向的中央部具有在所述直线形状区域的两侧具有直径逐渐增加的直线形状区域，所述直线形状区域沿着所述长度方向具有大致均匀的直径， 朝向长度方向的端部。 这种构造允许在抑制记录材料中的折痕的同时防止图像加热中的缺陷。

    Image heating apparatus having heater for externally heating fixing roller
    6.
    发明申请
    Image heating apparatus having heater for externally heating fixing roller 失效
    图像加热装置具有用于外部加热定影辊的加热器

    公开(公告)号：US20050207770A1

    公开(公告)日：2005-09-22

    申请号：US11046836

    申请日：2005-02-01

    申请人： Koji Nihonyanagi ,  Hiroto Hasegawa ,  Shinji Hashiguchi

    发明人： Koji Nihonyanagi ,  Hiroto Hasegawa ,  Shinji Hashiguchi

    IPC分类号： G03G15/20 ,  G03G15/00

    CPC分类号： G03G15/2025

    摘要： The image heating apparatus for heating a toner image formed on a recording material, includes a rotatable member; heating device for heating an outer peripheral surface of the rotatable member, the heating device including a heater for forming a heating nip portion in cooperation with the rotatable member; back-up device for forming a conveying nip portion in cooperation with the rotatable member, the conveying nip portion conveying the recording material; and control device for controlling a temperature of the heater and a rotation of the rotatable member; wherein the apparatus has a cleaning mode to remove toner from the heating device, wherein the control device, in the cleaning mode, starts energizing the heater to dissipate heat in a condition that the rotatable member stops and afterward stops energizing the heater, and wherein the control device rotates the rotatable member until a part which forms a heating nip portion in a peripheral direction of the rotatable member reaches the conveying nip portion. By the virtue of the present invention, it prevents stain caused by the off-set of toner the recording material in an image heating apparatus.

    摘要翻译： 用于加热形成在记录材料上的调色剂图像的图像加热装置包括可旋转构件; 加热装置，用于加热可旋转构件的外周表面，加热装置包括与可旋转构件协作形成加热辊隙部分的加热器; 用于与可旋转构件协作形成输送辊隙部分的备用装置，输送夹持部分输送记录材料; 以及用于控制所述加热器的温度和所述可旋转构件的旋转的控制装置; 其中所述设备具有从所述加热装置去除调色剂的清洁模式，其中所述控制装置在所述清洁模式中开始激活所述加热器以在所述可旋转构件停止并且之后停止对所述加热器通电的状态下散热，并且其中 控制装置旋转可旋转构件，直到在可旋转构件的圆周方向上形成加热夹持部的部分到达输送夹持部。 借助于本发明，可以防止由图像加热装置中的记录材料的调色剂偏离造成的污染。

    Image-forming apparatus and image-forming method
    8.
    发明申请
    Image-forming apparatus and image-forming method 失效
    图像形成装置和图像形成方法

    公开(公告)号：US20060008286A1

    公开(公告)日：2006-01-12

    申请号：US11169787

    申请日：2005-06-30

    申请人： Koji Nihonyanagi ,  Shinji Hashiguchi

    发明人： Koji Nihonyanagi ,  Shinji Hashiguchi

    IPC分类号： G03G15/20

    CPC分类号： G03G15/2046 ,  G03G15/2028 ,  G03G2215/00413

    摘要： In an image-forming apparatus, a temperature sensor is situated in the position where the sensor is insusceptible to steam. The position is, for example, a portion, of a discharge-sensor lever, where a printing material abuts on the discharge-sensor lever. Accordingly, the temperature sensor becomes insusceptible to steam, whereby the image-forming apparatus can more appropriately control the fixing temperature than conventional image-forming apparatuses. In other words, the image-forming apparatus can more reduce the incidence rate of defects, such as increase, due to excess heating, in the amount of hot-offsets and curls, deterioration of loading capacity, and defective fixing due to scarcity of the amount of heat, than the conventional image-forming apparatuses. Moreover, by determining a threshold temperature every time when a printing material passes through a heat-fixing unit, a problem can be alleviated, in which, at the beginning of a series of paper passage, the amount of fluctuation in detected temperature becomes significantly large.

    摘要翻译： 在图像形成装置中，温度传感器位于传感器不易于蒸汽的位置。 该位置例如是放电传感器杆的一部分，其中打印材料抵靠放电传感器杆。 因此，温度传感器对蒸汽不敏感，由此成像装置可以比常规图像形成装置更适当地控制定影温度。 换句话说，图像形成装置可以进一步降低由于多余的加热而导致的热偏移和卷曲量的增加，负载能力的劣化以及由于稀缺而导致的固定不良等缺陷的发生率 热量比常规图像形成装置高。 此外，通过在打印材料通过热定影单元时每当确定阈值温度时，可以减轻问题，其中在一系列纸通过开始时，检测温度的波动量变得显着地大 。