公开(公告)号：US20140037348A1

公开(公告)日：2014-02-06

申请号：US14046364

申请日：2013-10-04

Applicant: Canon Kabushiki Kaisha

Inventor： Takaaki Tsuruya ,  Hiroyuki Sakakibara

IPC: G03G15/20

CPC classification number: G03G15/2085 ,  G03G15/2028 ,  G03G15/2042

Abstract: An image heating apparatus includes: an endless belt; a heater, contacted to a surface of the endless belt, provided so that a longitudinal direction thereof is parallel to a generating line direction of the endless belt; and a pressing member for forming a nip together with the endless belt. The heater includes: an elongated substrate; a first heat generating line, provided on the substrate along a longitudinal direction of the substrate, including first heat-generating resistors having a negative temperature coefficient of resistance and being electrically connected in series; and a second heat generating line, provided on the substrate along the longitudinal direction of the substrate, electrically connected to the first heat generating line in parallel. The second heat generating line includes a plurality of second heat-generating resistors having the negative temperature coefficient of resistance and being electrically connected in series.

Abstract translation: 图像加热装置包括：环形带; 与环形带的表面接触的加热器，其设置成使得其长度方向平行于环形带的发电线方向; 以及与环形带一起形成辊隙的按压部件。 加热器包括：细长基板; 第一发热管线，沿着基板的长度方向设置在基板上，包括具有负的温度系数电阻并串联电连接的第一发热电阻体; 以及沿着基板的长度方向设置在基板上的第二发热线，并联地与第一发热线电连接。 第二发热管线包括多个第二发热电阻器，其具有负的温度系数电阻并串联电连接。

公开(公告)号：US10353327B2

公开(公告)日：2019-07-16

申请号：US15969906

申请日：2018-05-03

Applicant: CANON KABUSHIKI KAISHA

Inventor： Koji Yasui ,  Takaaki Tsuruya

IPC: G03G15/20

Abstract: A fixing device fixes an image onto a recording material. The recording material is fed through and heated in a nip to fix the image. A nip plate is provided with a projection in a region downstream of the nip with respect to a feeding direction of the recording material, the projection projecting toward a roller and extending in a longitudinal direction of a cylindrical belt. The nip plate has a recess on a side opposite from an outside provided with the projection at a position corresponding to that of the projection with respect to the feeding direction, the recess extending in the longitudinal direction of the cylindrical belt. At least a part of one of the two end portions of a supporting member overlaps the recess of the nip plate with respect to the feeding direction of the recording material and a longitudinal direction of the cylindrical belt.

公开(公告)号：US09977381B2

公开(公告)日：2018-05-22

申请号：US15412394

申请日：2017-01-23

Applicant: CANON KABUSHIKI KAISHA

Inventor： Koji Yasui ,  Takaaki Tsuruya

IPC: G03G15/20

CPC classification number: G03G15/2053 ,  G03G2215/2035

Abstract: A fixing device for fixing an image on a recording material. A heater radiates radiant light to heat a nip plate. A roller cooperative with the nip plate forms a nip between a cylindrical belt and an outer peripheral surface of the roller. A recording material carrying the image is fed through and heated in the nip to fix the image on the recording material. The nip plate has a projection in a region downstream of the nip with respect to a feeding direction of the recording material. At least a part of one of the two end portions of a supporting member overlaps the projection of the nip plate with respect to the feeding direction of the recording material and the longitudinal direction of the cylindrical belt to support the projection. A spacer is provided between the projection and at least part of one of the two end portions.

公开(公告)号：US09052644B2

公开(公告)日：2015-06-09

申请号：US14107228

申请日：2013-12-16

Applicant: CANON KABUSHIKI KAISHA

Inventor： Yasutaka Yagi ,  Taku Kanai ,  Takaaki Tsuruya ,  Hiroyuki Seki

IPC: G03G15/01 ,  G03G15/16

CPC classification number: G03G15/1605 ,  G03G15/162

Abstract: An image forming apparatus includes an image bearing member, an intermediate transfer member, and a secondary transfer member having a plurality of protrusions which come into contact with the intermediate transfer member. A superficial layer of the intermediate transfer member includes a superficial layer and a plurality of insulating particles buried in the superficial layer so as to be partially exposed from she superficial layer. In the case where the insulating particles are present in a contact region in which the protrusions are brought into contact with the intermediate transfer member, a portion in which the protrusions are brought into direct contact with the superficial layer is present in the contact region.

Abstract translation: 图像形成装置包括图像承载部件，中间转印部件和具有与中间转印部件接触的多个突起的二次转印部件。 中间转印部件的表层包括表层和表面层中的多个绝缘颗粒，以便从其表面层部分露出。 在绝缘颗粒存在于突起与中间转印部件接触的接触区域中的情况下，在接触区域中存在突起与表层直接接触的部分。

公开(公告)号：US12044997B2

公开(公告)日：2024-07-23

申请号：US17383659

申请日：2021-07-23

Applicant: CANON KABUSHIKI KAISHA

Inventor： Yuki Nishizawa ,  Shigeto Tamura ,  Takaaki Tsuruya ,  Tsutomu Shimano ,  Kohei Matsuda ,  Tetsuya Sano ,  Kenji Takagi ,  Tomoaki Nakai ,  Masaki Shimomura

IPC: G03G15/00

CPC classification number: G03G15/6544

Abstract: An image forming apparatus includes an image forming portion, a fixing portion configured to heat the toner image formed on the sheet by the image forming portion and fix the toner image to the sheet, a folding portion configured to fold the sheet having passed through the fixing portion such that a surface of the sheet to which the powder adhesive is applied is inside, and a bonding portion configured to heat the sheet folded by the folding portion and bond the sheet by the powder adhesive. A relationship of Tmax1>Tmax2 is satisfied, where Tmax1 (° C.) is a highest temperature of the powder adhesive when being heated by the fixing portion and Tmax2 (° C.) is a highest temperature of the powder adhesive when being heated by the bonding portion.

公开(公告)号：US20220035296A1

公开(公告)日：2022-02-03

申请号：US17383659

申请日：2021-07-23

Applicant: CANON KABUSHIKI KAISHA

Inventor： Yuki Nishizawa ,  Shigeto Tamura ,  Takaaki Tsuruya ,  Tsutomu Shimano ,  Kohei Matsuda ,  Tetsuya Sano ,  Kenji Takagi ,  Tomoaki Nakai ,  Masaki Shimomura

IPC: G03G15/00

Abstract: An image forming apparatus includes an image forming portion, a fixing portion configured to heat the toner image formed on the sheet by the image forming portion and fix the toner image to the sheet, a folding portion configured to fold the sheet having passed through the fixing portion such that a surface of the sheet to which the powder adhesive is applied is inside, and a bonding portion configured to heat the sheet folded by the folding portion and bond the sheet by the powder adhesive. A relationship of Tmax1>Tmax2 is satisfied, where Tmax1 (° C.) is a highest temperature of the powder adhesive when being heated by the fixing portion and Tmax2 (° C.) is a highest temperature of the powder adhesive when being heated by the bonding portion.

公开(公告)号：US09389532B2

公开(公告)日：2016-07-12

申请号：US14615258

申请日：2015-02-05

Applicant: CANON KABUSHIKI KAISHA

Inventor： Takaaki Tsuruya

IPC: G03G15/00 ,  G03G15/01 ,  G03G15/043

CPC classification number: G03G15/0131 ,  G03G15/01 ,  G03G15/0189 ,  G03G15/043 ,  G03G15/5058 ,  G03G15/80 ,  G03G2215/0132 ,  G03G2215/0161

Abstract: In an image forming apparatus that forms an electrostatic latent image for detection on a photosensitive member by light irradiation and performs color-misregistration correction control on the basis of detection of a change in detection current due to the detecting electrostatic latent image passing through a processing unit disposed close to the periphery of the photosensitive member, the intensity of at least one of the apply voltage of the processing unit and the output of the light irradiation unit is set higher than that during normal image formation.

公开(公告)号：US09075352B2

公开(公告)日：2015-07-07

申请号：US14096060

申请日：2013-12-04

Applicant: CANON KABUSHIKI KAISHA

Inventor： Hiroyuki Seki ,  Takaaki Tsuruya ,  Yasutaka Yagi

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

CPC classification number: G03G15/161 ,  G03G21/0041

Abstract: An image forming apparatus includes a removal unit configured to remove developer that was not transferred to a recording material; and a control unit configured to control an image forming unit for supplying developer to the removal unit. The image forming unit is configured to form first developer image, and second developer image whose length in the sub-scanning direction is longer than that of the first developer image, and whose amount of developer per unit area is less than or equal to that of the first developer image, and the control unit is further configured to, based on a predetermined relationship between the recording material type and the supplying image, select a supplying image formed by the image forming unit before or after the developer image transferred to the recording material.

Abstract translation: 图像形成装置包括：去除单元，其构造成去除未转印到记录材料上的显影剂; 以及控制单元，被配置为控制用于向所述移除单元供应显影剂的图像形成单元。 图像形成单元被配置为形成第一显影剂图像，并且副扫描方向上的长度比第一显影剂图像的长度长的第二显影剂图像，并且其每单位面积的显影剂的量小于或等于 第一显影剂图像和控制单元还被配置为基于记录材料类型和供应图像之间的预定关系，在显影剂图像转印到记录材料之前或之后，选择由图像形成单元形成的供应图像 。

公开(公告)号：US20140169813A1

公开(公告)日：2014-06-19

申请号：US14096060

申请日：2013-12-04

Applicant: Canon Kabushiki Kaisha

Inventor： Hiroyuki Seki ,  Takaaki Tsuruya ,  Yasutaka Yagi

IPC: G03G15/00 ,  G03G15/08 ,  G03G15/16

CPC classification number: G03G15/161 ,  G03G21/0041

Abstract: An image forming apparatus includes a removal unit configured to remove developer that was not transferred to a recording material; and a control unit configured to control an image forming unit for supplying developer to the removal unit. The image forming unit is configured to form first developer image, and second developer image whose length in the sub-scanning direction is longer than that of the first developer image, and whose amount of developer per unit area is less than or equal to that of the first developer image, and the control unit is further configured to, based on a predetermined relationship between the recording material type and the supplying image, select a supplying image formed by the image forming unit before or after the developer image transferred to the recording material.

Abstract translation: 图像形成装置包括：去除单元，其构造成去除未转印到记录材料上的显影剂; 以及控制单元，被配置为控制用于向所述移除单元供应显影剂的图像形成单元。 图像形成单元被配置为形成第一显影剂图像，并且副扫描方向上的长度比第一显影剂图像的长度长的第二显影剂图像，并且其每单位面积的显影剂的量小于或等于 第一显影剂图像和控制单元还被配置为基于记录材料类型和供应图像之间的预定关系，在显影剂图像转印到记录材料之前或之后，选择由图像形成单元形成的供应图像 。

公开(公告)号：US10452012B2

公开(公告)日：2019-10-22

申请号：US16070012

申请日：2017-03-15

Applicant: CANON KABUSHIKI KAISHA

Inventor： Masatake Usui ,  Takaaki Tsuruya ,  Yasuo Yoda ,  Yasunari Kobaru ,  Akira Kato ,  Hiroki Eguchi ,  Michio Uchida ,  Tetsuya Sano ,  Atsuyoshi Abe ,  Aoji Isono ,  Minoru Hayasaki ,  Hiroshi Mano ,  Yuki Nishizawa ,  Akira Kuroda

IPC: G03G15/20 ,  G03G15/00 ,  H05B6/14 ,  H05B1/02

Abstract: A cylindrical fixing member for use with a fixing device includes a heat generating layer and an electrode layer contacting the heat generating layer. The electrode layer is smaller in volume resistance value than the heat generating layer. The electrode layer is formed in a helical shape so that a helical axis thereof extends in a direction along a generatrix direction of the fixing member. One end and the other end of the electrode layer are electrically open.