公开(公告)号：US20150160596A1

公开(公告)日：2015-06-11

申请号：US14562997

申请日：2014-12-08

Applicant: CANON KABUSHIKI KAISHA

Inventor： Akeshi Asaka ,  Shuichi Tamura ,  Daigo Matsuura ,  Shigeaki Takada ,  Naoki Akiyama ,  Yasuhiro Miyahara

IPC: G03G15/20 ,  F16C13/00

CPC classification number: G03G15/206

Abstract: A pressing roller includes a cylindrical core metal; a first rubber layer of non-porous material provided on the core metal; and a second rubber layer of porous material provided on the first rubber layer, wherein the second rubber layer includes a thermo-conductive filler dispersed therein such that a thermal conductivity of the second rubber layer in a longitudinal direction is higher than a thermal conductivity thereof in a thickness direction, and wherein the first rubber layer includes a thermo-conductive filler dispersed therein such that a thermal conductivity of the first rubber layer in an thickness direction is higher than a thermal conductivity of the second rubber layer in the thickness direction of the second rubber layer.

Abstract translation: 压辊包括圆筒形芯金属; 提供在芯金属上的无孔材料的第一橡胶层; 以及设置在所述第一橡胶层上的多孔材料的第二橡胶层，其中所述第二橡胶层包括分散在其中的导热性填料，使得所述第二橡胶层在纵向方向上的导热率高于其导热性 厚度方向，并且其中所述第一橡胶层包括分散在其中的热导性填料，使得所述第一橡胶层在厚度方向上的热导率高于所述第二橡胶层在所述第二橡胶层的厚度方向上的导热率 橡胶层。

公开(公告)号：US20150037052A1

公开(公告)日：2015-02-05

申请号：US14341167

申请日：2014-07-25

Applicant: CANON KABUSHIKI KAISHA

Inventor： Hiroki Muramatsu ,  Toshinori Nakayama ,  Koichi Kakubari ,  Shigeaki Takada ,  Hiroto Ito

IPC: G03G15/20

CPC classification number: G03G15/2042 ,  G03G15/2021

Abstract: In an image heating apparatus including heat generating members arranged along a longitudinal direction of a belt, when an image heating operation is performed on a recording material having a width which is smaller than a maximum width of the recording material usable in the image heating apparatus, the heat generating member positioned within an area corresponding to a non passing portion of the recording material is actuated together with the heat generating member positioned within an area corresponding to a non passing portion of the recording material.

Abstract translation: 在包括沿着带的纵向布置的发热元件的图像加热设备中，当对具有小于图像加热设备中可用的记录材料的最大宽度的记录材料进行图像加热操作时， 定位在与记录材料的不通过部分相对应的区域内的发热元件与位于与记录材料的非通过部分相对应的区域内的发热元件一起致动。

公开(公告)号：US10915047B2

公开(公告)日：2021-02-09

申请号：US16773063

申请日：2020-01-27

Applicant: CANON KABUSHIKI KAISHA

Inventor： Takuma Tadomi ,  Daigo Matsuura ,  Shigeaki Takada ,  Masayuki Tamaki ,  Yasuharu Chiyoda ,  Masahiro Tsujibayashi

IPC: G03G15/20 ,  G03G15/00

Abstract: An image forming apparatus includes a control portion configured to output, in a test mode, a recording member which has passed through a fixing nip portion in a case of a first temperature difference in which a center part temperature of a first rotary member is higher than an end part temperature of the first rotary member and a recording member which has passed through the fixing nip portion in a case of a second temperature difference in which the center part temperature is lower than the end part temperature by one operation of starting test mode to the input portion.

公开(公告)号：US10649391B2

公开(公告)日：2020-05-12

申请号：US16542387

申请日：2019-08-16

Applicant: CANON KABUSHIKI KAISHA

Inventor： Masayuki Tamaki ,  Shigeaki Takada ,  Daigo Matsuura ,  Yasuharu Chiyoda ,  Masahiro Tsujibayashi ,  Kengo Koyama

IPC: G03G21/00 ,  G03G15/20 ,  G03G15/16 ,  G03G15/00

Abstract: An image forming apparatus includes a rotary member, a web, a moving unit, a detecting unit configured to detect a predetermined position, and a control portion. The control portion informs, in a case where an actual moving amount per one winding operation is a first moving amount, the replacement of the web, if a number of sheets of recording materials on which images have been formed after the predetermined position is detected reaches a first number of sheets. The control portion informs, in a case where the actual moving amount per one winding operation is a second moving amount which is greater than the first moving amount, the replacement of the web, if a number of sheets of recording materials on which images have been formed after the predetermined position is detected reaches a second number of sheets which is less than the first number of sheets.

公开(公告)号：US20200033784A1

公开(公告)日：2020-01-30

申请号：US16505081

申请日：2019-07-08

Applicant: CANON KABUSHIKI KAISHA

Inventor： Shigeaki Takada ,  Daigo Matsuura ,  Masayuki Tamaki ,  Yasuharu Chiyoda ,  Masahiro Tsujibayashi

IPC: G03G15/00 ,  G03G15/20

Abstract: A pair of rotary members nips and conveys a recording material and a heating element heats a toner image on the recording material via the pair of rotary members. A separating mechanism separates the pair of rotary members. A heating time recording portion records a cumulative length of a period during which the pair of rotary members in an abutted state is heated as a first heating time and a cumulative length of the period during which the pair of rotary members in a separated state is heated as a second heating time. A determining portion determines a remaining lifetime of the pair of rotary members using the first and second heating times and data indicating a relationship between length of the period during which the pair of rotary members is heated and decrease in lifetime of the pair of rotary members.

公开(公告)号：US20190105888A1

公开(公告)日：2019-04-11

申请号：US16213767

申请日：2018-12-07

Applicant: CANON KABUSHIKI KAISHA

Inventor： Takeshi Suzuki ,  Yutaka Arai ,  Masaaki Takahashi ,  Shigeaki Takada ,  Akeshi Asaka ,  Yukio Sasame ,  Masayuki Onuma

IPC: B32B37/12 ,  B29D99/00 ,  G03G15/20

Abstract: One end portion of a resin tube kept in a diameter expanded state by a plurality of diameter expanding claws is disengaged from the diameter expanding claws and is shifted onto an outer peripheral surface of a die by applying a pressing force toward the other end portion of the resin tube to an end surface of the one end portion of the resin tube.

公开(公告)号：US09606486B2

公开(公告)日：2017-03-28

申请号：US14798230

申请日：2015-07-13

Applicant: CANON KABUSHIKI KAISHA

Inventor： Yutaka Arai ,  Takeshi Suzuki ,  Jun Miura ,  Shigeaki Takada ,  Toshinori Nakayama ,  Naoki Akiyama ,  Daigo Matsuura ,  Yasuhiro Miyahara ,  Akeshi Asaka ,  Shuichi Tamura ,  Katsuhisa Matsunaka ,  Shinsuke Takahashi ,  Hiroto Sugimoto

IPC: G03G15/20

CPC classification number: G03G15/206 ,  G03G2215/2035

Abstract: An elastic layer includes a needle-shaped filler and a void and has a porosity of 20 vol % or more and 60 vol % or less. The elastic layer contains a first area and a second area. The first area extends from a surface of the elastic layer opposite to a surface facing the mandrel toward the mandrel and has a thickness of 30% of the thickness of the elastic layer. The second area is a central area in a thickness direction of the elastic layer and has a thickness of 40% of the thickness of the elastic layer. The needle-shaped filler in the second area has an orientation degree of 50% or lower. The needle-shaped filler in the first area has an orientation degree higher than that of the needle-shaped filler in the second area.

公开(公告)号：US09417575B2

公开(公告)日：2016-08-16

申请号：US14800499

申请日：2015-07-15

Applicant: CANON KABUSHIKI KAISHA

Inventor： Jun Miura ,  Yutaka Arai ,  Shigeaki Takada ,  Akeshi Asaka

IPC: G03G15/20

CPC classification number: G03G15/206 ,  G03G2215/2035

Abstract: A pressure member includes a base, an elastic layer outside the base, and a surface layer on the elastic layer, the surface layer containing a fluorine-containing resin. The surface layer is fixed on the elastic layer in a state of being stretched in the longitudinal direction of the pressure member, the elastic layer has a porosity of 20% by volume or more and 60% by volume or less, and when the elastic modulus of the elastic layer in the thickness direction is defined as E (ND) and the elastic modulus of the elastic layer in the longitudinal direction of the pressure member is defined as E (MD), E (MD)/E (ND) is larger than 1.0.

Abstract translation: 压力构件包括基部，基部外侧的弹性层和弹性层上的表面层，表面层含有含氟树脂。 表面层在沿着加压部件的长度方向拉伸的状态下固定在弹性层上，弹性层的孔隙率为20体积％以上且60体积％以下，当弹性模量 将弹性层的厚度方向的弹性模量定义为E（ND），将弹性层沿压力构件的长度方向的弹性模量定义为E（MD），E（MD）/ E（ND）越大 比1.0。

公开(公告)号：US09354570B2

公开(公告)日：2016-05-31

申请号：US14857086

申请日：2015-09-17

Applicant: CANON KABUSHIKI KAISHA

Inventor： Kota Arimoto ,  Toshinori Nakayama ,  Shigeaki Takada ,  Masayuki Tamaki ,  Naoki Akiyama ,  Akeshi Asaka ,  Koichi Kakubari

IPC: G03G15/20

CPC classification number: G03G15/2053 ,  G03G15/2042 ,  G03G2215/2035

Abstract: A heater includes a substrate, electrode portions, electrical contact portions, heat generating portions, and electroconductive line portions. The electrode portions include first group electrode portions and second group electrode portions. The electroconductive line portions include a main line portion extending from the electrical contact portions in the longitudinal direction, a first branch line portion branching from the main line portion so as to electrically connect with a first electrode portion of the first group electrode portions, and a second branch line portion branching from the main line portion so as to electrically connect with a second electrode portion of the first group electrode portions. The second electrode portion is spaced farther from the electrical contact portions than the first electrode portion in the longitudinal direction, and the electric resistance of the first branch line portion is larger than the electric resistance of the second branch line portion.

Abstract translation: 加热器包括基板，电极部分，电接触部分，发热部分和导电线部分。 电极部分包括第一组电极部分和第二组电极部分。 导电线部分包括从纵向方向上的电接触部分延伸的主线部分，从主线部分分支以与第一组电极部分的第一电极部分电连接的第一分支线部分，以及 第二分支线部分从主线部分分支，以便与第一组电极部分的第二电极部分电连接。 第二电极部分在纵向方向上比第一电极部分远离电接触部分，并且第一分支线部分的电阻大于第二分支线部分的电阻。

公开(公告)号：US20160085189A1

公开(公告)日：2016-03-24

申请号：US14857086

申请日：2015-09-17

Applicant: CANON KABUSHIKI KAISHA

Inventor： Kota Arimoto ,  Toshinori Nakayama ,  Shigeaki Takada ,  Masayuki Tamaki ,  Naoki Akiyama ,  Akeshi Asaka ,  Koichi Kakubari

IPC: G03G15/20

CPC classification number: G03G15/2053 ,  G03G15/2042 ,  G03G2215/2035

Abstract: A heater includes a substrate, electrode portions, electrical contact portions, heat generating portions, and electroconductive line portions. The electrode portions include first group electrode portions and second group electrode portions. The electroconductive line portions include a main line portion extending from the electrical contact portions in the longitudinal direction, a first branch line portion branching from the main line portion so as to electrically connect with a first electrode portion of the first group electrode portions, and a second branch line portion branching from the main line portion so as to electrically connect with a second electrode portion of the first group electrode portions. The second electrode portion is spaced from the electrical contact portions more than the first electrode portion in the longitudinal direction, and an electric resistance of the first branch line portion is larger than an electric resistance of the second branch line portion.

Abstract translation: 加热器包括基板，电极部分，电接触部分，发热部分和导电线部分。 电极部分包括第一组电极部分和第二组电极部分。 导电线部分包括从纵向方向上的电接触部分延伸的主线部分，从主线部分分支以与第一组电极部分的第一电极部分电连接的第一分支线部分，以及 第二分支线部分从主线部分分支，以便与第一组电极部分的第二电极部分电连接。 第二电极部分在纵向上与第一电极部分之间的电接触部分间隔开，并且第一分支线部分的电阻大于第二分支线部分的电阻。