[go: up one dir, main page]

WO2023287459A1 - Réduction du frottement entre une courroie de fusion et un élément de pression - Google Patents

Réduction du frottement entre une courroie de fusion et un élément de pression Download PDF

Info

Publication number
WO2023287459A1
WO2023287459A1 PCT/US2022/016272 US2022016272W WO2023287459A1 WO 2023287459 A1 WO2023287459 A1 WO 2023287459A1 US 2022016272 W US2022016272 W US 2022016272W WO 2023287459 A1 WO2023287459 A1 WO 2023287459A1
Authority
WO
WIPO (PCT)
Prior art keywords
fusing belt
pressing
pressing member
fuser device
belt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2022/016272
Other languages
English (en)
Inventor
Sunhyung LEE
Sungwoo Kang
SeaChul BAE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Development Co LP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hewlett Packard Development Co LP filed Critical Hewlett Packard Development Co LP
Publication of WO2023287459A1 publication Critical patent/WO2023287459A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
    • G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
    • G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
    • G03G15/2017—Structural details of the fixing unit in general, e.g. cooling means, heat shielding means
    • G03G15/2025—Structural details of the fixing unit in general, e.g. cooling means, heat shielding means with special means for lubricating and/or cleaning the fixing unit, e.g. applying offset preventing fluid
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
    • G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
    • G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
    • G03G15/206—Structural details or chemical composition of the pressure elements and layers thereof
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
    • G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
    • G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
    • G03G15/2053—Structural details of heat elements, e.g. structure of roller or belt, eddy current, induction heating
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
    • G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
    • G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
    • G03G15/2064—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat combined with pressure
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/20—Details of the fixing device or porcess
    • G03G2215/2003—Structural features of the fixing device
    • G03G2215/2016—Heating belt

Definitions

  • An image forming apparatus prints an image on a printing medium, and corresponds to a printer, a copier, a facsimile, and a multi-function peripheral realizing functions of these.
  • An electrophotographic image forming apparatus forms a developer image corresponding to print data on a printing medium, and uses a fuser device which applies predetermined heat and pressure to the developer image to fuse the developer image on the printing medium permanently.
  • FIG.1 is a cross-sectional view schematically showing an image forming apparatus provided with a fuser device according to an example;
  • FIG. 2 is a diagram illustrating a transverse section of an example of a heating roller type fuser device;
  • FIG. 3 is a diagram illustrating a transverse section of an example of a fusing belt type fuser device;
  • FIG. 4 is a diagram illustrating a cross section of an example of a fusing belt usable in the fusing belt type fuser device; [0006] FIG.
  • FIG. 5 is a diagram illustrating a configuration of a pressing member according to an example
  • FIG.6 is a diagram illustrating examples of scratch abrasions of an inner surface of the fusing belt which may occur on the fusing belt type fuser device
  • FIG.7 is a diagram illustrating an example in which the pressing member includes a U-shaped nip forming member
  • FIG.8 is a diagram illustrating an example in which the pressing member includes a plate-shaped nip forming member
  • FIG.9 is a diagram illustrating an example in which the pressing member includes a plate-shaped nip forming member and an adhesive layer
  • FIG. 10 is a diagram illustrating an example of a structure in which a glass coating layer is formed on a surface of the nip forming member; and [0012]
  • FIG. 11 is a diagram illustrating a torque change of the fuser device according to a number of print sheets according to an example.
  • DETAILED DESCRIPTION [0013]
  • an “image forming apparatus” refers to an apparatus which prints print data generated on a terminal apparatus such as a computer on a recording printing medium. Examples of such an image forming apparatus may include a copier, a printer, a facsimile, a multi-function peripheral (MFP) serving functions of these in combination as one apparatus, and the like.
  • the image forming apparatus may include a developing device, a transfer device, and a fuser device.
  • the developing device may form an image on a printing paper.
  • the developing device may form an image by supplying a developer, that is, a toner to a photosensitive body on which an electrostatic latent image is formed.
  • the transfer device may transfer the image formed on the photosensitive body to the printing paper.
  • the image transferred to the printing paper may be fixed on the printing paper after passing through the fuser device.
  • FIG.1 is a cross-sectional view schematically showing an image forming apparatus provided with a fuser device according to an example.
  • An image forming apparatus 1 may include a main body 10, a paper feeding device 20, a print engine 30, a fuser device 100, and a discharge device 40. [0019] The main body 10 may form an appearance of the image forming apparatus 1 and support various components installed therein.
  • the paper feeding device 20 may include a paper feeding tray on a lower side of the main body 10, include a pick-up roller 23 which picks up a printing paper P stacked on the paper feeding tray one by one, include a registration roller 25 which provides a feed power to the picked-up printing paper P and evenly aligns the printing paper P to transfer the image to a desired part of the printing paper P, and include a paper feeding roller 27 which feeds the printing paper P to between a photosensitive drum 31 and a transfer roller 35.
  • the print engine 30 may form a predetermined image on the printing paper P supplied from the paper feeding device 20.
  • the print engine 30 may include the photosensitive drum 31, a charger 32, an exposure device 33, a developing machine 34, and the transfer roller 35.
  • An electrostatic latent image may be formed on the photosensitive drum 31.
  • an image may be formed on the photosensitive drum 31 by operations of the charger 32 and the exposure device 33 which will be described below.
  • the print engine may include a plurality of photosensitive drums 31, a plurality of chargers 32, a plurality of exposures device 33, and a plurality of developing machines 34 corresponding to a plurality of colors, an intermediate transfer belt, and the like.
  • the charger 32 may charge a surface of the photosensitive drum 31 with a uniform potential.
  • the exposure device 33 may form the electrostatic latent image on the surface of the photosensitive drum 31 by changing a surface potential of the photosensitive drum 31 according to image information to be printed.
  • the developing machine 34 may contain a developer therein and supply the developer (e.g., toner) to the electrostatic latent image to develop the electrostatic latent image as a visual image.
  • the developing machine 34 may include a developing roller 37 for supplying the developer as the electrostatic latent image.
  • the transfer roller 35 may be installed to face an outer peripheral surface of the photosensitive drum 31.
  • the fuser device 100 is a device for fusing a developer image onto the printing paper P by applying heat and pressure while the printing paper P, to which the developer image is transferred, passes through in the print engine 30, and this will be described below in detail.
  • the discharge device 40 may include a paper discharge roller 41 to discharge the printing paper P, on which a predetermined image is printed by passing the fuser device 100, to an external paper discharge tray 42 of the main body 10.
  • the configuration of the image forming apparatus 1 according to an example has been described in detail, but the developing method is not limited thereto, and the configuration of the image forming apparatus 1 according to the developing method can be variously deformed and changed.
  • FIG. 2 is a diagram illustrating a transverse section of an example of a heating roller type fuser device.
  • the fuser device 100 may include a heating roller 110 including a heating source therein, and a pressing roller 120 which is disposed in pressure contact with the heating roller 110 to form a nip.
  • the heating roller 110 may include a heating source 130 and a release layer 133 disposed on an outer surface of a cylindrical substrate 131.
  • An elastic layer 132 having strong heat resistance may be further disposed between the substrate 131 and the release layer 133.
  • the release layer 133 may also be formed without the elastic layer 132 having heat resistance.
  • the substrate 131 may be formed of an aluminum metal core and the heating source 130 may be disposed in a hollow of the aluminum metal core.
  • the heating source 130 may be disposed at substantially the same location as a rotation axis of the heating roller 110.
  • a halogen lamp or the like may be used, and the heating roller 110 may be heated by the heat from the heating source 130.
  • the pressing roller 120 may include a heat resistant elastic layer 141 on an outer surface of a metal core 140 and a release layer 142 such as a heat resistance resin coating film or a heat resistance rubber coating film.
  • a heat resistant elastic layer 141 on an outer surface of a metal core 140 and a release layer 142 such as a heat resistance resin coating film or a heat resistance rubber coating film.
  • Any one roller of the heating roller 110 and the pressing roller 120 is rotatably driven, and the other roller rotates by this driving of the any one roller.
  • the printing paper P is able to be transferred by the rotation of the two rollers, and accordingly, heat and pressure are able to be transferred to the printing paper P at the same time.
  • the printing paper P is introduced to the nip that is a pressure-contact part of the heating roller 110 and the pressing roller 120, and an unfused image on the printing paper P may be softened by the heat of the heating roller 110 and pressed by the pressure contact of the pressure roller 120 and the heating roller 110 to be fused onto the printing paper.
  • the heating roller 110 normally uses a hollow aluminum pipe having a weight equal to or greater than 0.6 t as the substrate 131, however, the aluminum pipe needs a long period of time to be heated to a temperature necessary for fusing the image on the printing paper P due to a great thermal capacity, and accordingly, quick heating may not be performed.
  • FIG. 3 is a diagram illustrating a transverse section of an example of a fusing belt type fuser device.
  • the fuser device 200 may include a fusing belt 210, a pressing member 220 disposed in the fusing belt 210, a bracket 240, a heater 230, and a pressing roller 250 for pressing the fusing belt, and a temperature sensor 260 and a thermostat 270 for blocking power supply.
  • a temperature sensor 260 and a thermostat 270 for blocking power supply.
  • the pressing member 220 may be disposed inside of the fusing belt 210 to come into contact with the fusing belt 210 and may press the fusing belt 210 against the pressing roller 250.
  • the pressing member 220 may have any structure as long as it is a structure capable of pressing the fusing belt 210 from inside, and according to an example, a structure in which the pressing is substantially applied to the bracket 240 so that the pressing member 220 presses the fusing belt 210 against the pressing roller 250 by the bracket 240.
  • a nip where printing paper P is nipped may be formed by the pressing between the pressing member 220 and the pressing roller 250 with the fusing belt 210 interposed therebetween.
  • a width of the nip in the fusing belt type which forms the nip as described above is greater and flatter than a width of the nip formed in the heating roller type.
  • the pressing roller 250 rotates around an axis
  • the fusing belt 210 may rotate by receiving a rotation power from the pressing roller 250, and accordingly, the printing paper P may also move.
  • the heater 230 may be located at the center part of the rotation of the fusing belt 210.
  • a halogen lamp or the like may be used for the heater 230.
  • the fusing belt 210 may be heated by radiant heat from the heater 230, and the unfused image on the printing paper P may be softened by the heat in the nip by conduction heat from the fusing belt 210 and pressed by the pressure contact between the fusing belt 210 and the pressing roller 250, thereby fusing onto the printing paper P.
  • the temperature sensor 260 may detect a temperature of the heater 230. If the temperature of the heater 230 decreases to a temperature equal to or lower than a range capable of fusing, the power is supplied to the heater 230 to increase the temperature of the heater 230 to the range capable of fusing.
  • the thermostat 270 may block the power supply to the heater 230 depending on a state of the fusing belt 210.
  • the thermostat 270 has a bimetal and, if a temperature of the bimetal is equal to or higher than a threshold value, the power supply to the heater 230 may be blocked.
  • FIG. 4 is a diagram illustrating a cross section of an example of a fusing belt usable in the fusing belt type fuser device.
  • the fusing belt 210 may be a cylindrical endless belt.
  • the fusing belt 210 may include a blackened layer 211 on an inner side to make the heating easy by the radiant heat from the heater 230.
  • the blackened layer 211 may be formed by oxidizing a substrate layer 213.
  • the blackened layer 211 may be, for example, Fe 4 O 3 .
  • the fusing belt 210 may include the substrate layer 213 and a release layer 217, and in order to enhance image quality of a printed matter, an elastic layer 215 may be disposed between the substrate layer 213 and the release layer 217 to form a comparatively wide and flat nip.
  • the substrate layer 213 may be formed of a heat resistant resin such as polyimide (PI), polyamide (PA), or polyamideimide (PAI), or metal such as stainless steel (SUS) or nickel (Ni), and a thickness thereof is 30 to 200 ⁇ m or preferably 50 to 100 ⁇ m.
  • the release layer 217 coated over the substrate layer 213 may be formed of a fluorine resin, for example, perfluoroalkoxy (PFA), polytetrafluoroethylene (PTFE), or a copolymer of tetrafluoroethylene and hexafluoroethylene (fluorinated ethylene propylene (FEP)), and a thickness thereof may be 10 to 30 ⁇ m.
  • PFA perfluoroalkoxy
  • PTFE polytetrafluoroethylene
  • FEP fluorinated ethylene propylene
  • the elastic layer 215 may be formed of elastic materials such as various rubber materials such as fluorine rubber, silicone rubber, natural rubber, isoprene rubber, butadiene rubber, nitrile rubber, chloroprene rubber, butyl rubber, acrylic rubber, hydrin rubber, or urethane rubber, or thermoplastic elastomer such as styrene, polyolefin, polyvinyl chloride, polyurethane, polyester, polyamide, polybutadiene, polyisoprene, or chlorinated polyethylene, or a combination thereof.
  • a thickness of the elastic layer 215 is preferably 100 to 300 ⁇ m, from a viewpoint of thermal transfer to the printing paper.
  • FIG. 5 is a diagram illustrating a configuration of a pressing member according to an example.
  • FIG. 5 is a diagram for more specifically describing the configurations disposed in the fusing belt 210.
  • the left drawing of FIG.5 schematically illustrates the pressing member 220 and the bracket 240 disposed inside the fusing belt 210 and the right drawing of FIG. 5 illustrates a structure that the pressing member 220 is configured with an inner holder 221 and a nip forming member 223 according to an example of the disclosure.
  • the pressing member 220 may be configured with the inner holder 221 and the nip forming member 223, and the nip forming member 223 is a configuration coming into contact with an inner surface of the fusing belt 210.
  • the nip forming member 223 may be disposed between the inner holder 221 and the fusing belt 210 and may be combined with the inner holder 221.
  • the inner holder 221 may be manufactured with liquid crystal polymer (LCP), polyetheretherketone (PEEK), or polyphenylene sulfide (PPS) that is a heat resistant resin.
  • LCP liquid crystal polymer
  • PEEK polyetheretherketone
  • PPS polyphenylene sulfide
  • the nip forming member 223 may be manufactured with a ceramic material and a glass coating layer may be formed on the ceramic material. Accordingly, when comparing to a nip forming member manufactured with metal such as SUS or aluminum in the related art, it is possible to reduce a speed of abrasions of the fusing belt 210 by reducing friction with the fusing belt 210. This will be described in detail with reference to the following drawings.
  • the pressing member 220 is configured with two members which are inner holder 221 and the nip forming member 223, but may also be formed of one member.
  • FIG. 6 is a diagram illustrating scratch abrasions of the inner surface of the fusing belt which may occur on the fusing belt type fuser device.
  • the scratch abrasions may linearly occur on the inner surface of the fusing belt due to the friction between the pressing member and the blackened layer inside of the fusing belt, and cracks may occur on the fusing belt due to continuous use, thereby causing a problem of damage of the fusing belt.
  • a radiation variation may occur in a part where the scratch abrasions of the blackened layer of the inner surface of the fusing belt occur, thereby causing a temperature variation on the fusing belt, and this may be a reason for gloss variation in the image.
  • the abrasions between the pressing member and the inner surface of the fusing belt may be minimized.
  • a glass coating layer to reduce the frictional force may be formed on the surface of the pressing member that comes into contact with the fusing belt.
  • FIG.7 is a diagram illustrating an example in which the pressing member includes a U-shaped nip forming member.
  • the pressing member 220 may include the inner holder 221 and the nip forming member 223.
  • the nip forming member 223 may be disposed between the inner holder 221 and the fusing belt 210 and may be combined with the inner holder 221.
  • the nip forming member 223 may be formed in a U shape and may be combined to be fit to an external surface of the inner holder 221.
  • the nip forming member 223 may include a glass coating layer 223a formed on the surface that comes into contact with the fusing belt 210.
  • the nip forming member 223 may have a configuration in which the glass coating layer 223a is formed on a surface of a ceramic substrate.
  • the glass coating layer 223a of the nip forming member 223 will be described below in detail with reference to FIGS.10 and 11.
  • FIG.8 is a diagram illustrating an example in which the pressing member includes a plate-shaped nip forming member.
  • the pressing member 220 may include the inner holder 221 including a groove 221a formed on a surface contacts the fusing belt 210, and the nip forming member 223 that is stably attached to an inner portion of the groove 221a of the inner holder 221.
  • the nip forming member 223 may have a flat plate shape and the groove 221a may have a shape corresponding to the nip forming member 223. [0075] Meanwhile, the shape of the nip forming member 223 and the groove 221a is not limited thereto, and may be implemented as various structures so that the nip forming member 223 is able to be stably attached to the inner portion of the groove 221a. [0076] The nip forming member 223 may include the glass coating layer 223a for reducing the friction on the surface that comes into contact with the fusing belt 210.
  • FIG.9 is a diagram illustrating an example in which the pressing member includes a plate-shaped nip forming member and an adhesive layer.
  • the pressing member 220 may include an adhesive layer 225 for bonding the nip forming member 223 to the inner holder 221.
  • the adhesive layer 225 may be formed between a surface of the nip forming member 223 located on opposite to the surface where the glass coating layer 223a is formed, and the inner portion of the groove 221a of the inner holder 221. Through the adhesive layer 225, the combination between the nip forming member 223 and the inner holder 221 may be stably maintained.
  • FIG.10 is a diagram illustrating a structure in which a glass coating layer is formed on a surface of the nip forming member.
  • the nip forming member 223 may be formed of a ceramic substrate 223b and may include the glass coating layer 223a formed on a surface of the ceramic substrate 223b.
  • the ceramic substrate 223b may be formed of aluminum oxide (Al2O3) or aluminum nitride (AlN).
  • AlN aluminum nitride
  • the nip forming member 223 may also be formed of a metal substrate, rather than the ceramic substrate.
  • the glass coating layer 223a may be formed on the ceramic substrate 223b by a screen print method, a spray coating method, a dip coating method, or the like.
  • the glass coating layer 223a may be formed by screen printing a glass paste on the ceramic substrate 223b formed of aluminum oxide (Al 2 O 3 ) to form a glass layer and performing thermal treatment.
  • the glass coating layer 223a may be formed by performing the thermal treatment at 900°C for 1 hour after forming the glass layer through the screen printing.
  • a thickness of the glass coating layer 223a may be 5 to 30 ⁇ m and is preferably 10 to 20 ⁇ m.
  • FIG. 11 is a diagram illustrating a torque change of the fuser device according to a number of print sheets according to an example.
  • FIG. 11 illustrates a torque change of each of a fuser device 1110 including a nip forming member having a coating layer of PAI + PFA on a SUS substrate and a fuser device 1120 including a nip forming member having a glass coating layer on a ceramic substrate according to a number of print sheets, in the fusing belt type in which a halogen lamp is used as a heat source.
  • the fusing belt may be coated with a PEEK-based organic material therein and a coating thickness may be 25 to 40 ⁇ m.
  • the fuser device 1120 having the glass coating layer on the ceramic substrate has a smaller driving torque value according to the life, compared to the fuser device 1110 having the coating layer of PAI + PFA on the SUS substrate. Accordingly, it is possible to increase the life of the fuser device by reducing the abrasion of the pressing member due to the contact with the nip forming member.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fixing For Electrophotography (AREA)

Abstract

Un dispositif de fusion comprend un rouleau de pressage destiné à pouvoir tourner, une courroie de fusion destinée à tourner suite à la réception d'une force de rotation provenant du rouleau de pression, et un élément de pression situé sur un côté interne de la courroie de fusion et servant à former une ligne de contact au niveau de laquelle un papier d'impression est pincé entre la courroie de fusion et le rouleau de pression grâce à la pression de la courroie de pression contre le rouleau de pression, l'élément de pression comprenant, sur une surface de contact au niveau de laquelle l'élément de pression entre en contact avec la courroie de fusion, une couche de revêtement en verre destinée à réduire le frottement entre la courroie de fusion et l'élément de pression.
PCT/US2022/016272 2021-07-15 2022-02-14 Réduction du frottement entre une courroie de fusion et un élément de pression Ceased WO2023287459A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020210093014A KR20230012320A (ko) 2021-07-15 2021-07-15 정착 벨트와 가압 부재 사이의 마찰 저감을 위한 유리 코팅층을 갖는 가압 부재
KR10-2021-0093014 2021-07-15

Publications (1)

Publication Number Publication Date
WO2023287459A1 true WO2023287459A1 (fr) 2023-01-19

Family

ID=84920539

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2022/016272 Ceased WO2023287459A1 (fr) 2021-07-15 2022-02-14 Réduction du frottement entre une courroie de fusion et un élément de pression

Country Status (2)

Country Link
KR (1) KR20230012320A (fr)
WO (1) WO2023287459A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05134570A (ja) * 1991-11-08 1993-05-28 Canon Inc 加熱装置
JPH09185273A (ja) * 1995-12-28 1997-07-15 Canon Inc 加熱装置及び画像形成装置
JP2003257592A (ja) * 2002-02-27 2003-09-12 Canon Inc 加熱装置
JP2012220553A (ja) * 2011-04-05 2012-11-12 Kyocera Document Solutions Inc 定着装置及びそれを備えた画像形成装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05134570A (ja) * 1991-11-08 1993-05-28 Canon Inc 加熱装置
JPH09185273A (ja) * 1995-12-28 1997-07-15 Canon Inc 加熱装置及び画像形成装置
JP2003257592A (ja) * 2002-02-27 2003-09-12 Canon Inc 加熱装置
JP2012220553A (ja) * 2011-04-05 2012-11-12 Kyocera Document Solutions Inc 定着装置及びそれを備えた画像形成装置

Also Published As

Publication number Publication date
KR20230012320A (ko) 2023-01-26

Similar Documents

Publication Publication Date Title
US7233764B2 (en) Fixing device in image forming apparatus and image forming apparatus with fixing device
US10248060B2 (en) Fixing device including a friction reducing sheet and a heat equalizing sheet and image forming apparatus
US8005414B2 (en) Image heating apparatus
US20100316421A1 (en) Fixing device, image forming apparatus and method of controlling fixing device
US9261835B2 (en) Fixing device and image forming apparatus
US7890041B2 (en) Fixing device and image forming apparatus
US11054769B2 (en) Fixing device and image forming apparatus incorporating same
US7457575B2 (en) Fusing device, image forming apparatus, and belt
US8135322B2 (en) Fixing device and image forming apparatus
JP6486059B2 (ja) ローラ、定着装置
US20210116848A1 (en) Image heating device that prevents failure caused by insufficient supply of lubricant at ends parts
JP2005077872A (ja) 定着装置および画像形成装置
JP2016180825A (ja) 加熱部材、定着装置及び画像形成装置
WO2023287459A1 (fr) Réduction du frottement entre une courroie de fusion et un élément de pression
JP4927612B2 (ja) 定着装置及び画像形成装置
US11971671B2 (en) Sliding layer for reducing friction between fusing belt and pressing member thereof
JP4244837B2 (ja) 画像形成装置
JP2009042303A (ja) 加圧ローラ及び像加熱装置
JP2009251311A (ja) 定着装置、及びこれを備えた画像形成装置
US12164250B2 (en) Fixing apparatus for minimizing abrasion of contact surface between heater and fixing belt
US12468246B2 (en) Heat conduction member for preventing fuser heater from local overheating
JP7596841B2 (ja) 画像形成装置
WO2023075861A1 (fr) Motifs d'élément chauffant pour fournir une quantité de chauffage correspondant à divers supports d'impression
JP2005070453A (ja) 定着装置および画像形成装置
JP2016177193A (ja) ベルト部材、定着装置および画像形成装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22842597

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 22842597

Country of ref document: EP

Kind code of ref document: A1