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    Image forming apparatus and its control method
    5.
    发明授权
    Image forming apparatus and its control method 有权
    图像形成装置及其控制方法

    公开(公告)号：US07187878B2

    公开(公告)日：2007-03-06

    申请号：US11060678

    申请日：2005-02-18

    申请人： Satoru Izawa ,  Koji Nihonyanagi ,  Yutaka Kubochi ,  Fumiki Inui ,  Shinji Hashiguchi

    发明人： Satoru Izawa ,  Koji Nihonyanagi ,  Yutaka Kubochi ,  Fumiki Inui ,  Shinji Hashiguchi

    IPC分类号： G03G15/00

    CPC分类号： G03G15/2046

    摘要： In continuous printing operation which repeatedly sets a state in which when a preceding printing material passes through the nip area of a thermal fixing unit, a succeeding printing material has been supplied to an image forming unit and image forming operation has been started, a first temperature indicating an ambient temperature near the thermal fixing unit is measured at an early time point in the continuous printing operation. A second temperature indicating the temperature of the printing material which has passed through the press contact nip portion at a predetermined period of time during the continuous printing operation is measured. The amount of heat to be supplied to the succeeding printing material is controlled on the basis of the measured first and second temperatures.

    摘要翻译： 在连续打印操作中，其重复地设定当先前的打印材料通过热定影单元的夹持区域的状态时，将后续打印材料提供给图像形成单元并且图像形成操作已经开始，第一温度 表示在连续打印操作中的早期时间点处测量热定影单元附近的环境温度。 测量在连续打印操作期间在预定时间段通过压接部分部分的印刷材料的温度的第二温度。 基于所测量的第一和第二温度来控制供应给后续印刷材料的热量。

    Image forming apparatus and its control method
    6.
    发明申请
    Image forming apparatus and its control method 有权
    图像形成装置及其控制方法

    公开(公告)号：US20050191070A1

    公开(公告)日：2005-09-01

    申请号：US11060678

    申请日：2005-02-18

    申请人： Satoru Izawa ,  Koji Nihonyanagi ,  Yutaka Kubochi ,  Fumiki Inui ,  Shinji Hashiguchi

    发明人： Satoru Izawa ,  Koji Nihonyanagi ,  Yutaka Kubochi ,  Fumiki Inui ,  Shinji Hashiguchi

    IPC分类号： G03G15/20 ,  G03G15/00 ,  G03G21/14

    CPC分类号： G03G15/2046

    摘要： In continuous printing operation which repeatedly sets a state in which when a preceding printing material passes through the nip area of a thermal fixing unit, a succeeding printing material has been supplied to an image forming unit and image forming operation has been started, a first temperature indicating an ambient temperature near the thermal fixing unit is measured at an early time point in the continuous printing operation. A second temperature indicating the temperature of the printing material which has passed through the press contact nip portion at a predetermined period of time during the continuous printing operation is measured. The amount of heat to be supplied to the succeeding printing material is controlled on the basis of the measured first and second temperatures.

    摘要翻译： 在连续打印操作中，其重复地设定当先前的打印材料通过热定影单元的夹持区域的状态时，将后续打印材料提供给图像形成单元并且图像形成操作已经开始，第一温度 表示在连续打印操作中的早期时间点处测量热定影单元附近的环境温度。 测量在连续打印操作期间在预定时间段通过压接部分部分的印刷材料的温度的第二温度。 基于所测量的第一和第二温度来控制供应给后续印刷材料的热量。

    Image heating apparatus and conveying roller for use therein
    7.
    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 and conveying roller for use therein
    8.
    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 forming apparatus with heater having bias applying portion setting bias based on sheet width
    9.
    发明授权
    Image forming apparatus with heater having bias applying portion setting bias based on sheet width 失效
    具有加热器的图像形成装置，其具有基于片材宽度的偏置施加部分设定偏置

    公开(公告)号：US06952538B2

    公开(公告)日：2005-10-04

    申请号：US10638420

    申请日：2003-08-12

    申请人： Shinji Hashiguchi ,  Satoru Izawa ,  Hiroshi Kataoka ,  Koji Nihonyanagi

    发明人： Shinji Hashiguchi ,  Satoru Izawa ,  Hiroshi Kataoka ,  Koji Nihonyanagi

    IPC分类号： G03G21/14 ,  G03G15/20

    CPC分类号： G03G15/2064 ,  G03G2215/2016 ,  G03G2215/2035

    摘要： An image forming apparatus is provided with an image heating apparatus for holding and conveying a recording material bearing an image in a nip between a heating member and a pressurizing member to heat the image on the recording material. The image forming apparatus has a bias applying portion for applying a bias to at least one of the heating member and the pressurizing member and a bias setting portion for setting an amount of the applied bias. In the case that a recording material(s) having a first width is fed and thereafter a recording material is to be fed, the bias setting portion sets the amount of the applied bias based on the number of the recording material(s) having the first width that have been fed and the time from the feeding of the recording material(s) having the first width to the feeding of the recording material having the second width.

    摘要翻译： 图像形成装置设置有图像加热装置，用于保持和传送在加热构件和加压构件之间的辊隙中承载图像的记录材料，以加热记录材料上的图像。 图像形成装置具有用于向加热构件和加压构件中的至少一个施加偏压的偏压施加部和用于设定施加偏压量的偏置设定部。 在馈送具有第一宽度的记录材料并且随后记录材料被馈送的情况下，偏置设置部分基于具有第一宽度的记录材料的数量来设置所施加的偏压量 已经被馈送的第一宽度和从具有第一宽度的记录材料的馈送到具有第二宽度的记录材料的馈送的时间。