公开(公告)号：US20220011698A1

公开(公告)日：2022-01-13

申请号：US17487017

申请日：2021-09-28

Applicant: CANON KABUSHIKI KAISHA

Inventor： Tatsuo Yasui ,  Junichi Moteki ,  Akiyoshi Shinagawa ,  Takuma Tadomi ,  Ikuo Nakamoto ,  Toru Katsumi ,  Takahiro Ohnishi

IPC: G03G15/20

Abstract: A fixing unit includes an endless belt, a heating unit configured to heat the belt, a pressure rotary member configured to form a fixing nip portion that nips and conveys a recording material with the belt, a pad configured to press the belt toward the pressure rotary member, a sliding sheet provided on the pad and configured to slide against the belt, a plate-like member configured to fix the sliding sheet to the pad, the sliding sheet being fixed in a manner sandwiched between the plate-like member and the pad, and fixing tools configured to fix the plate-like member at a plurality of positions along a longitudinal direction of the plate-like member. A width of the sliding sheet is wider than a width of the fixing nip portion and narrower than a width of the plate-like member in the longitudinal direction.

公开(公告)号：US20160259276A1

公开(公告)日：2016-09-08

申请号：US15060003

申请日：2016-03-03

Applicant: CANON KABUSHIKI KAISHA

Inventor： Yasuhiro Miyahara ,  Naoki Akiyama ,  Akiyoshi Shinagawa

IPC: G03G15/20 ,  B05D3/02

CPC classification number: G03G15/206

Abstract: An electrophotographic member includes a rubber layer having a lightness of 15 or less and including a marked portion formed so as to have a depth of 35 μm or more and 100 μm or less, a fluorine-based resin layer having a light transmittance of 60% or more, and an adhesive layer disposed between the rubber layer and the fluorine-based resin layer. The adhesive layer has a lightness of 60 or more and has a thickness of 3 μm or more and 10 μm or less in a portion surrounding the marked portion.

Abstract translation: 电子照相构件包括具有15或更小的亮度的橡胶层，并且包括形成为具有35μm以上且100μm以下的深度的标记部分，透光率为60％的氟系树脂层， 以上，以及设置在橡胶层和氟系树脂层之间的粘合剂层。 粘合剂层的亮度在60以上，并且在标记部分周围的部分的厚度为3μm以上且10μm以下。

公开(公告)号：US09392642B2

公开(公告)日：2016-07-12

申请号：US13728010

申请日：2012-12-27

Applicant: CANON KABUSHIKI KAISHA

Inventor： Masanobu Tanaka ,  Oki Kitagawa ,  Shigeaki Takada ,  Akiyoshi Shinagawa ,  Hiroki Kawai

IPC: B21B27/06 ,  H05B3/02 ,  H05B1/00 ,  H05B3/00 ,  H05B11/00 ,  G03G15/20 ,  H05B1/02

CPC classification number: H05B1/00 ,  G03G15/2025 ,  G03G15/2039 ,  G03G15/2064 ,  H05B1/0241 ,  H05B3/0095

Abstract: An image heating apparatus includes: an image heating roller in a nip; a nip forming member; a heating roller rubbing roller; a moving mechanism for moving the rubbing roller between a spaced position and a rubbing position; and a controller for executing operations in first and second modes. In the first mode, the heating roller is rotated with the rubbing roller in the spaced position and the heating roller in contact with the nip forming member with a target temperature of the heating roller higher than that of the nip forming member. In the second mode, the rubbing roller is contacted with the heating roller, rubbing the surface of the heating roller. The temperature difference in the first mode between the target temperature of the heating roller and that of the nip forming member is larger than the temperature difference when the toner image is heated by the nip.

Abstract translation: 图像加热装置包括：辊隙中的图像加热辊; 辊隙形成构件; 加热辊摩擦辊; 移动机构，用于在间隔位置和摩擦位置之间移动摩擦辊; 以及用于在第一和第二模式中执行操作的控制器。 在第一模式中，加热辊随着摩擦辊在间隔位置旋转，加热辊与辊隙形成部件接触，加热辊的目标温度高于辊隙形成部件的目标温度。 在第二模式中，摩擦辊与加热辊接触，摩擦加热辊的表面。 加热辊的目标温度和辊隙形成部件的目标温度之间的第一模式中的温度差大于通过辊隙加热调色剂图像时的温度差。

公开(公告)号：US09372450B2

公开(公告)日：2016-06-21

申请号：US14716279

申请日：2015-05-19

Applicant: CANON KABUSHIKI KAISHA

Inventor： Oki Kitagawa ,  Akiyoshi Shinagawa ,  Masanobu Tanaka

IPC: G03G15/20

CPC classification number: G03G15/205 ,  G03G15/2017 ,  G03G15/2032

Abstract: An image forming apparatus includes: heating and pressing rollers for fixing a toner image; a contacting and spacing portion for contacting and spacing between the rollers; an air feeder for cooling the pressing roller during a job; a guide for the sheet having been subjected to an image fixing process; an acquiring portion for acquiring the temperature of the guide: and an executing portion for executing a warming-up process of the heating roller and the pressing roller to raise the temperatures of the heating roller and the pressing roller. The executing portion controls the contacting and spacing portion and the air feeder so that the air is fed toward the guide through between the heating roller and the pressing roller at least in a part of the warming-up process, when the temperature is lower than a predetermined temperature upon activation of a main voltage source.

Abstract translation: 图像形成装置包括：加热和加压辊，用于固定调色剂图像; 用于在辊之间接触和间隔的接触和间隔部分; 用于在作业期间冷却加压辊的空气供给器; 用于已经进行图像定影处理的纸张的引导件; 用于获取引导件的温度的获取部分以及用于执行加热辊和加压辊的预热过程以提高加热辊和加压辊的温度的执行部分。 执行部分控制接触和间隔部分和空气供给器，使得至少在预热过程的一部分中，当温度低于一个温度时，空气通过加热辊和加压辊之间的空气被馈送到引导件 激活主电压源时的预定温度。

公开(公告)号：US20130206745A1

公开(公告)日：2013-08-15

申请号：US13728010

申请日：2012-12-27

Applicant: Canon Kabushiki Kaisha

Inventor： Masanobu Tanaka ,  Oki Kitagawa ,  Shigeaki Takada ,  Akiyoshi Shinagawa ,  Hiroki Kawai

IPC: H05B1/00

CPC classification number: H05B1/00 ,  G03G15/2025 ,  G03G15/2039 ,  G03G15/2064 ,  H05B1/0241 ,  H05B3/0095

Abstract: An image heating apparatus includes a image heating roller in a nip; a nip forming member; a heating roller rubbing roller; a moving mechanism for moving the rubbing roller between a spaced position and a rubbing position; and a controller for executing operations in first and second modes. In the first mode, the heating roller is rotated with the rubbing roller in the spaced position and the heating roller in contact with the nip forming member with a target temperature of the heating roller higher than that of the nip forming member. In the second mode, the rubbing roller is contacted with the heating roller rubbing the surface of the heating roller. The temperature difference in the first mode between the target temperature of the heating roller and that of the nip forming member is larger than the temperature difference when the toner image is heated by the nip.

Abstract translation: 图像加热装置包括辊隙中的图像加热辊; 辊隙形成构件; 加热辊摩擦辊; 移动机构，用于在间隔位置和摩擦位置之间移动摩擦辊; 以及用于在第一和第二模式中执行操作的控制器。 在第一模式中，加热辊随着摩擦辊在间隔位置旋转，加热辊与辊隙形成部件接触，加热辊的目标温度高于辊隙形成部件的目标温度。 在第二模式中，摩擦辊与摩擦加热辊表面的加热辊接触。 加热辊的目标温度和辊隙形成部件的目标温度之间的第一模式中的温度差大于通过辊隙加热调色剂图像时的温度差。

公开(公告)号：US20240295845A1

公开(公告)日：2024-09-05

申请号：US18661812

申请日：2024-05-13

Applicant: CANON KABUSHIKI KAISHA

Inventor： Tatsuo Yasui ,  Junichi Moteki ,  Akiyoshi Shinagawa ,  Takuma Tadomi ,  Ikuo Nakamoto ,  Toru Katsumi ,  Takahiro Ohnishi

IPC: G03G15/20

CPC classification number: G03G15/2053 ,  G03G15/2064 ,  G03G2215/00679 ,  G03G2215/2038

Abstract: A fixing unit includes an endless belt, a heating unit configured to heat the belt, a pressure rotary member configured to form a fixing nip portion that nips and conveys a recording material with the belt, a pad configured to press the belt toward the pressure rotary member, a sliding sheet provided on the pad and configured to slide against the belt, a plate-like member configured to fix the sliding sheet to the pad, the sliding sheet being fixed in a manner sandwiched between the plate-like member and the pad, and fixing tools configured to fix the plate-like member at a plurality of positions along a longitudinal direction of the plate-like member. A width of the sliding sheet is wider than a width of the fixing nip portion and narrower than a width of the plate-like member in the longitudinal direction.

公开(公告)号：US20180210354A1

公开(公告)日：2018-07-26

申请号：US15861772

申请日：2018-01-04

Applicant: CANON KABUSHIKI KAISHA

Inventor： Akeshi Asaka ,  Shigeaki Takada ,  Akiyoshi Shinagawa ,  Koichi Kakubari ,  Hiroto Ito ,  Yutaka Arai

IPC: G03G5/043 ,  G03G15/20

CPC classification number: G03G5/0433 ,  G03G15/206 ,  G03G15/2064

Abstract: Provided is an electrophotographic member capable of reducing a rise time of a fixing apparatus and preventing occurrence of a defective image due to an electrostatic offset. The electrophotographic member has a substrate, an elastic layer, and a surface layer containing a fluororesin, in this order, the elastic layer has a communication hole of which pores are communicated with each other, and an ionic conductive agent is adhered to an inner wall of the communication hole.

公开(公告)号：US09459566B2

公开(公告)日：2016-10-04

申请号：US14986868

申请日：2016-01-04

Applicant: CANON KABUSHIKI KAISHA

Inventor： Oki Kitagawa ,  Akiyoshi Shinagawa ,  Masanobu Tanaka

IPC: G03G15/20 ,  G03G21/14

CPC classification number: G03G15/2028 ,  G03G15/2046 ,  G03G15/205 ,  G03G21/14 ,  G03G2215/00599

Abstract: An image forming apparatus includes an image forming device for forming an image on a sheet; a fixing device for fixing an image formed on a sheet; a detector for detecting a temperature of the fixing device, and a controller for controlling an image formation start timing in accordance with an output of the detector. In an operation of continuously forming images on a plurality of predetermined sheets, when a number of image formations is not less than a predetermined number, the start of the image formation is delayed until a temperature of the fixing device rises up to a first temperature, and when the number of image formations is less than the predetermined number, the image formation is started when the temperature of the fixing device rises up to a second temperature which is lower than the first temperature.

Abstract translation: 图像形成装置包括用于在片材上形成图像的图像形成装置; 用于固定形成在片材上的图像的定影装置; 用于检测定影装置的温度的检测器，以及根据检测器的输出来控制图像形成开始定时的控制器。 在多个预定片材上连续地形成图像的操作中，当多个图像形成不小于预定数量时，图像形成的开始被延迟直到定影装置的温度上升到第一温度， 并且当图像数量小于预定数量时，当定影装置的温度升高到低于第一温度的第二温度时，开始图像形成。

公开(公告)号：US20160116867A1

公开(公告)日：2016-04-28

申请号：US14986868

申请日：2016-01-04

Applicant: CANON KABUSHIKI KAISHA

Inventor： Oki Kitagawa ,  Akiyoshi Shinagawa ,  Masanobu Tanaka

IPC: G03G15/20

CPC classification number: G03G15/2028 ,  G03G15/2046 ,  G03G15/205 ,  G03G21/14 ,  G03G2215/00599

Abstract: An image forming apparatus includes image forming means for forming an image on a sheet; fixing means for fixing an image formed on a sheet; detecting means for detecting a temperature of the fixing means; and controlling means for controlling an image formation start timing in accordance with an output of the detecting means, wherein in an operation of continuously forming images on a plurality of predetermined sheets, when a number of image formations is not less than a predetermined number, start of the image formation is delayed until a temperature of the fixing means rises up to a first temperature, and when the number of image formations is less than the predetermined number, the image formation is started when the temperature of the fixing means rises up to a second temperature which is lower than the first temperature.

公开(公告)号：US20160098004A1

公开(公告)日：2016-04-07

申请号：US14876304

申请日：2015-10-06

Applicant: CANON KABUSHIKI KAISHA

Inventor： Akiyoshi Shinagawa ,  Oki Kitagawa ,  Masanobu Tanaka

IPC: G03G15/20 ,  G03G15/00

CPC classification number: G03G15/2028 ,  G03G15/2025 ,  G03G15/5016 ,  G03G2215/00531 ,  G03G2215/0129 ,  G03G2215/2032

Abstract: An image forming apparatus includes: an image forming device configured to form a toner image on a sheet; a fixing device configured to fix the toner image formed on the sheet by the image forming device at a nip; an executing portion configured to execute an operation in a cleaning mode for cleaning the fixing device by forming a predetermined toner image on a sheet using the image forming device and then by introducing the sheet into the nip; and a notifying device for notifying an operator that a maximum-width sheet usable in the image forming device is to be used in the operation in the cleaning mode.

Abstract translation: 图像形成装置包括：图像形成装置，被配置为在片材上形成调色剂图像; 定影装置，被配置为通过所述图像形成装置在辊隙处固定形成在所述片材上的调色剂图像; 执行部，被配置为通过使用所述图像形成装置在片材上形成预定的调色剂图像，然后将所述片材引入所述辊隙中来执行清洁模式中的操作以清洁所述定影装置; 以及通知装置，用于通知操作者在清洁模式下的操作中可以使用可用于图像形成装置中的最大宽度的纸张。