WO2005038534A1 - 定着装置 - Google Patents
定着装置 Download PDFInfo
- Publication number
- WO2005038534A1 WO2005038534A1 PCT/JP2004/014649 JP2004014649W WO2005038534A1 WO 2005038534 A1 WO2005038534 A1 WO 2005038534A1 JP 2004014649 W JP2004014649 W JP 2004014649W WO 2005038534 A1 WO2005038534 A1 WO 2005038534A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- magnetic field
- heating
- fixing device
- sleeve
- generating means
- Prior art date
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
- G03G15/2053—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
- 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
-
- 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
- G03G2215/2025—Heating belt the fixing nip having a rotating belt support member opposing a pressure member
- G03G2215/2029—Heating belt the fixing nip having a rotating belt support member opposing a pressure member the belt further entrained around one or more stationary belt support members, the latter not being a cooling device
-
- 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
- G03G2215/2035—Heating belt the fixing nip having a stationary belt support member opposing a pressure member
Definitions
- the present invention relates to a fixing device of an electromagnetic induction heating type in an image forming apparatus such as an electrophotographic or electrostatic recording type copying machine, facsimile, and printer.
- an induction calorie is used as a fixing device of an electromagnetic induction heating type (IH (induction heating) type.
- a thin-walled heat-generating rotator including a conductive layer rotatably provided while generating heat by heat;
- An induction heating source comprising magnetic field generating means disposed to face the outer surface of the heating rotator for induction heating the heating rotator, a rotatable internal pressing member abutting on an inner surface of the heating rotator, 2.
- a fixing device having a rotatable external pressing member which is opposed to an internal pressing member and abuts on an outer surface of the heat generating rotator (for example, see Patent Document 1).
- FIG. 1 is a schematic sectional view of a fixing device disclosed in Patent Document 1.
- the fixing device includes a coil assembly 10 that generates a high-frequency magnetic field as the induction heating source, and the heating rotator that is rotatably provided while generating heat by induction heating by the coil assembly 10.
- a metal sleeve 11, a rotatable internal pressure member 12 abutting on the inner surface of the metal sleeve 11, and a rotatable external pressure member 13 facing the inner pressure member 12 and abutting on the outer surface of the metal sleeve 11. Have.
- the metal sleeve 11 is sandwiched between the external pressure member 13 and the internal pressure member 12, and is rotated by the rotation of the external pressure member 13.
- the recording material 14 onto which the unfixed toner image has been transferred is fed in the direction of the arrow toward a tap portion 23 formed between the external pressing member 13 and the metal sleeve 11. .
- the recording material 14 is applied with heat of the metal sleeve 11 heated by the coil assembly 10 and pressure by the two pressing members 12, 13 in the gap 23. As a result, the unfixed toner image is fixed on the recording material 14 by heating.
- the metal sleeve 11 of this fixing device has a thin thickness of 20 ⁇ m to 60 ⁇ m. It is a hollow metal conductor and includes a conductive layer formed of a conductive magnetic material such as nickel, iron, and SUS430.
- the coil assembly 10 of the fixing device is supported by a holder (not shown), and is fixed to the fixing unit frame with a predetermined gap between the coil assembly 10 and the outer surface of the metal sleeve 11.
- An induced current eddy current
- a thin heating belt having a conductive layer, a magnetic field generating means for inductively heating the conductive layer from outside the thin heating belt, and a heating belt on a side opposite to the heating belt with respect to the magnetic field generating means.
- a fixing device having a heating belt and a ferromagnetic material via a gap, and fixing an unfixed toner image on a recording medium at a nip portion between the heating belt and a pressing member provided opposite to the heating belt is known. (See, for example, Patent Document 2).
- the heat capacity of the heating member is extremely small, and the warm-up time is reduced. Further, sufficient heating and pressing can be performed in the gap between the heating belt and the pressing member, and good fixing properties can be obtained.
- Patent Document 1 JP-A-10-74007
- Patent Document 2 Japanese Patent Application Laid-Open No. 2004-145368
- the former fixing device While pressing, the former fixing device holds the heat generating rotating body between a pair of pressing members. Because of the rotating configuration, the running trajectory of the heating rotator, which has poor running stability of the heating rotator, fluctuates, and the generated magnetic field between the magnetic field generating means and the heating rotator tends to change. For this reason, in this fixing device, there is a problem that the heat generation amount of the heat generating rotary member becomes unstable and the heat generation efficiency decreases.
- the fluctuation of the rotation trajectory of the heating rotator increases as the thickness of the heating rotator decreases. This is because, when the thickness of the heat generating rotary body is reduced, it is difficult to maintain the roundness of the heat generating rotary body, and the traveling performance becomes unstable. Therefore, in order to reduce the fluctuation of the rotation trajectory of the heating rotator, the thickness of the heating rotator may be increased. However, when the thickness of the heat generating rotating body is increased, the heat capacity thereof is increased, so that the rising response during heating is deteriorated.
- the latter fixing device has a configuration in which the heating belt follows the shape of the heating belt and the pressing member at the gap between the heating belt and the pressing member. Therefore, the heating belt is a flexible belt. It is required to be as thin as possible. Therefore, since the conductive layer forming the heating belt must be thin, there is a problem that sufficient heat generation efficiency cannot be obtained.
- An object of the present invention is to provide a fixing device capable of stabilizing the amount of heat generated by a heating rotator and improving the heat generation efficiency of the heating rotator.
- the fixing device of the present invention is arranged so as to pass between the magnetic field generating means arranged to face the magnetic field generating means for generating a magnetic field and absorbing the magnetic field generated by the magnetic field generating means, and the magnetic field generating means.
- a non-magnetic metal material having a predetermined specific resistance and a predetermined thickness, which is nipped and rotated by a pair of pressurizing members, is induction-heated by a magnetic field generated by the magnetic field generating means, and transmits magnetic field energy.
- a heat generating rotating body composed of is arranged.
- the present invention provides a magnetic field generating means for generating a magnetic field, a magnetic field absorbing means arranged to face the magnetic field generating means and absorbing a magnetic field generated by the magnetic field generating means, Induction heating is performed by a magnetic field generated by the magnetic field generating means while being nipped and rotated by a pair of pressurizing members so as to pass between the magnetic field absorbing means and the magnetic field generating means.
- Re and a fixing device comprising a heating rotary member for transmitting a magnetic field energy, and the pre-Symbol heating rotating body, in the range of 500 m thickness from 10 m, a specific resistance of less 80 X 10- 6 Q cm Of a non-magnetic metal material.
- the amount of heat generated by the heating rotator can be stabilized, and the heat generation efficiency of the heating rotator can be improved.
- FIG. 1 is a schematic sectional view showing a configuration of a conventional fixing device.
- FIG. 2 is a schematic cross-sectional view showing the overall configuration of an image forming apparatus suitable for mounting a fixing device according to an embodiment of the present invention.
- FIG. 3 is a cross-sectional view showing a configuration of a fixing device according to the embodiment.
- FIG. 4 is a schematic cross-sectional view for explaining the operation of the fixing device according to the embodiment.
- FIG. 5 is a schematic sectional view showing another configuration of the fixing device according to the embodiment.
- FIG. 2 is a schematic cross-sectional view showing the overall configuration of an image forming apparatus suitable for mounting a fixing device according to an embodiment of the present invention.
- the image forming apparatus 100 includes an electrophotographic photosensitive member (hereinafter, referred to as “photosensitive drum”) 101, a charger 102, a laser beam scanner 103, a developing device 105, and a paper feeding device 107.
- the fixing device 200 and the cleaning device 113 are provided.
- the laser beam scanner 103 outputs a laser beam 104 modulated in accordance with a time-series electric digital pixel signal of image information input from a not-shown image reading device or a host device such as a computer.
- the surface of the charged photosensitive drum 101 is scanned and exposed by a laser beam 104.
- the absolute value of the potential of the exposed portion of the photosensitive drum 101 decreases to the bright potential VL, and an electrostatic latent image is formed on the surface of the photosensitive drum 101.
- the developing device 105 has a developing roller 106 that is driven to rotate.
- the developing roller 106 is It is arranged to face the photosensitive drum 101, and a thin layer of toner is formed on the outer peripheral surface thereof.
- the developing roller 106 is applied with a developing bias voltage whose absolute value is smaller than the dark potential VO of the photosensitive drum 101 and larger than the bright potential VL.
- the negatively charged toner on the developing roller 106 adheres only to the portion of the surface of the photosensitive drum 101 having the light potential VL, and the electrostatic latent image formed on the surface of the photosensitive drum 101 is reversely developed.
- the unfixed toner image 111 is formed on the photosensitive drum 101.
- the paper feeding device 107 feeds the recording paper 109 as a recording medium one by one by a paper feeding roller 108 at a predetermined timing.
- the recording paper 109 fed from the paper feeding device 107 passes through a pair of registration rollers 110 and is applied to a gap between the photosensitive drum 101 and the transfer roller 112 at an appropriate timing synchronized with the rotation of the photosensitive drum 101. Sent.
- the unfixed toner image 111 on the photosensitive drum 101 is transferred to the recording paper 109 by the transfer roller 112 to which a transfer bias is applied.
- the recording paper 109 on which the unfixed toner image 111 is formed and carried as described above is guided by the recording paper guide 114, separated from the photosensitive drum 101, and then conveyed toward the fixing portion of the fixing device 200. Is done.
- the fixing device 200 heats and fixes the unfixed toner image 111 on the recording paper 109 conveyed to the fixing portion.
- the recording paper 109 on which the unfixed toner image 111 has been heated and fixed passes through the fixing device 200, and is then discharged onto a discharge tray 116 provided outside the image forming apparatus 100.
- the photosensitive drum 101 from which the recording paper 109 has been separated is cleaned by a cleaning device 113 to remove residues such as untransferred toner on the surface, and is repeatedly used for the next image formation.
- FIG. 3 is a cross-sectional view illustrating a configuration of the fixing device according to the embodiment.
- the fixing device 200 includes a heating sleeve 210 as a heating rotating body, an electromagnetic induction heating device 230 as a magnetic field generating means, and magnetic field absorbing means for absorbing the magnetic field generated by the electromagnetic induction heating device 230.
- a fixing roller 240 and a pressure roller 250 as a pair of pressure members for holding and rotating the heat generating sleeve 210.
- the heat generating sleeve 210 is suspended on the fixing roller 240 so that the upper part thereof is curved in an arc shape along a coil guide 234 described later. In this way, by curving the upper portion of the heating sleeve 210 in an arc shape along the coil guide 234, the running property of the heating sleeve 210 can be stabilized.
- the fixing roller 240 is rotatably supported by a swing plate 203 that is swingably attached to the main body side plate 201 by a short shaft 202.
- the pressure roller 250 is rotatably supported on the lower side of the main body side plate 201 of the fixing device 200.
- the swing plate 203 swings clockwise around the short axis 202 due to the tightness of the coil panel 204.
- the fixing roller 240 is displaced in accordance with the swing of the swing plate 203 and is in pressure contact with the pressure roller 250 with the heat sleeve 210 interposed therebetween.
- the pressure roller 250 is driven to rotate in the direction of the arrow by a drive source (not shown).
- the fixing roller 240 is driven to rotate while holding the heat generating sleeve 210 by the rotation of the pressure roller 250.
- the heating sleeve 210 is sandwiched between the fixing roller 240 and the pressure roller 250 and rotated in the direction of the arrow.
- the nipping rotation of the heating sleeve 210 forms a gap between the heating sleeve 210 and the pressure roller 250 for heating and fixing the unfixed toner image 111 on the recording paper 109.
- the electromagnetic induction heating device 230 is composed of the above-described IH type magnetic field generating means, and as shown in FIG. 3, along the outer peripheral surface of a portion curved in an arc shape along the coil guide 234 of the heating sleeve 210.
- An excitation coil 231 is provided, and a core 232 made of ferrite that covers the excitation coil 231 is provided.
- the excitation coil 231 is formed using a litz wire obtained by bundling thin wires, and has a semicircular cross-sectional shape so as to cover the outer peripheral surface of the heating sleeve 210.
- the magnetic field absorbing member 233 is provided at a position facing the exciting coil 231 with the heating sleeve 210 interposed therebetween, and absorbs a magnetic field generated by the electromagnetic induction heating device 230.
- An exciting current of a predetermined frequency (20 kHz to 60 kHz) is applied to the exciting coil 231 of the electromagnetic induction heating device 230 as well as an exciting circuit power (not shown).
- an AC magnetic field is generated between the core 232 and the magnetic field absorbing member 233, and an eddy current is generated on the surface of the heating sleeve 210, so that the heating sleeve 210 generates heat.
- the core 232 is provided at the center of the excitation coil 231 and at a part of the back surface.
- a material having high magnetic permeability such as permalloy can be used in addition to ferrite.
- the fixing device 200 pushes the recording paper 109 to which the unfixed toner image 111 has been transferred, in the direction of the arrow so that the surface on which the unfixed toner image 111 is held is in contact with the heat generating sleeve 210.
- the unfixed toner image 111 can be heat-fixed on the recording paper 109.
- a temperature sensor 260 also serving as a thermistor is provided on the back surface of the heating sleeve 210 so as to be in contact therewith.
- the temperature of the heating sleeve 210 is detected by the temperature sensor 260.
- the output of the temperature sensor 260 is provided to a control device (not shown).
- the controller controls the power supplied to the excitation coil 231 via the excitation circuit based on the output of the temperature sensor 260 so that the optimum image fixing temperature can be obtained. Controlling.
- the recording paper 109 which has been heated and fixed, is guided toward the discharge tray 116.
- a paper ejection guide 270 is provided.
- the electromagnetic induction heating device 230 is provided with a coil guide 234 as a holding member integrally with the excitation coil 231 and the core 232.
- the coil guide 234 is made of a resin having a high heat-resistant temperature, such as PEEK or PPS.
- the coil guide 234 can prevent the heat radiated from the heating sleeve 210 from being trapped in the space between the heating sleeve 210 and the excitation coil 231, thereby preventing the excitation coil 231 from being damaged.
- the force of the core 232 shown in FIG. 3 is a semi-circular cross section.
- the core 232 does not necessarily have to have a shape following the shape of the exciting coil 231. For example, it may be in a substantially rectangular shape.
- the heat generating member of the heat generating sleeve 210 is preferably a non-magnetic material.
- a non-magnetic material for example, a material having a specific resistance of 80.times.10.sup.- 6 .OMEGA.cm (stainless) such as stainless steel, aluminum, and copper can be used.
- non-magnetic stainless steel SUS 304
- a heat-generating member of the heat-generating sleeve 210 a magnetic material such as nickel, cobalt, or iron may be used depending on conditions such as the thickness and the frequency of the exciting current.
- the thickness of the heat generating sleeve 210 is desirably about 10 to 500 ⁇ m. In the present embodiment, the thickness of the heating sleeve 210 is set to 200 / zm.
- the heating sleeve 210 preferably has a conductive layer on the surface.
- the material of the conductive layer e.g., copper, silver, good conductivity material such as the preferred instrument, especially specific resistance less 10 X 10- 6 ⁇ cm aluminum are preferred.
- This conductive layer may be provided on either the outer peripheral surface or the inner peripheral surface as long as it is the surface of the heating sleeve 210.
- the thickness of the conductive layer is preferably about 5 to 15 m.
- a conductive layer having a copper plating force with a thickness of 10 ⁇ 2 ⁇ m is provided on the surface of the heating sleeve 210.
- the frequency of the exciting current of the high-frequency power supply for heating the heating sleeve 210 is preferably in a range of 20 kHz to 100 kHz.
- the frequency of the exciting current is set to 20 kHz to 60 kHz.
- the fixing roller 240 is made of a silicone rubber which has a low hardness (here, JISA 30 degrees) and a low thermal conductivity elasticity foam having a diameter of 30mm.
- the calo pressure roller 250 is made of silicone rubber having a hardness of ISA65 degrees.
- a heat-resistant resin such as fluorine rubber and fluorine resin or another rubber may be used. It is desirable that the surface of the pressure roller 250 be coated with a resin such as PFA, PTFE, FEP or the like or a rubber alone or in a mixture in order to enhance abrasion resistance and releasability. Further, it is desirable that the pressure roller 250 be made of a material having low thermal conductivity.
- the heat generating sleeve 210 having such a configuration had a transmittance force of 89% to 99% of the magnetic field energy. Therefore, the fixing device 200 according to the present embodiment has a configuration in which a magnetic path is formed by the excitation circuit as shown by a broken line in FIG. 4, and the heat generating sleeve 210 transmits magnetic field energy. Therefore, in the fixing device 200, even when the rotation orbit of the heat generating sleeve 210 fluctuates, the change in the generated magnetic field is small, and the change in the calorific value of the heat generating sleeve 210 is small, so that the heat generating efficiency can be improved.
- the rotation trajectory of the heating rotator fluctuates and the generated magnetic field between the magnetic field generating means and the heating rotator tends to change.
- the amount of heat generated by the heating rotator becomes unstable, causing a situation in which uneven heating occurs in the rotation direction of the heating rotator.
- the fixing device according to the present embodiment even if the rotational trajectory of the heating sleeve 210 fluctuates, the change in the generated magnetic field is small, and the change in the calorific value of the heating sleeve 210 can be reduced.
- heat generation unevenness in the rotation direction of the heat generation sleeve 210 can be reduced.
- the fixing device 200 since the specific resistance of the heating sleeve 210 is less than 80 X 10- 6 ⁇ cm, current even rotation orbit of the heat generating sleeve 210 varies the flow It will be easier. That is, the heat generating sleeve 210 which resistivity is of a non-magnetic material is higher than 80 X 10- 6 ⁇ cm, since the force current comprising high conversion rate to the magnetic field energy power heat energy "will flow, results The thermal efficiency is reduced and heat is hardly generated.
- the heat generating sleeve 210 is made of a non-magnetic stainless steel (SUS304) having a specific resistance of 72 ⁇ Q cm, the magnetic flux passes through the heat generating sleeve 210 without being shielded. But the heat generation is extremely small even when the thickness is 0.2 mm.
- the heat generating sleeve 210 since the heat generating sleeve 210 has high mechanical strength and can secure the strength necessary for suspension, the heat generating sleeve 210 can be made thinner to further reduce the heat capacity, and further improve the startup response during heating. Can be improved.
- the thickness of the heating sleeve 210 is in the range of 10 ⁇ m and 500 ⁇ m, the heat capacity of the heating sleeve 210 can be reduced. It is possible to further improve the responsiveness at the start of heating of 210.
- the fixing device 200 since the fixing device 200 according to the present embodiment has a conductive layer on the surface of the heating sleeve 210, current can flow easily and the thermal efficiency of the heating sleeve 210 can be improved. Can be.
- the heat generating sleeve 210 is made of a thin wall or made of a non-magnetic metal material, a force that makes it difficult for a current to flow even when magnetic field energy is transmitted is provided. It can be easier to flow. The same effect can be obtained by further surface-treating the conductive layer with a non-magnetic material.
- the fixing device 200 By setting the thickness of the conductive layer to 10 ⁇ 2 ⁇ m, the heat generation efficiency is sufficiently improved!
- the thickness of the conductive layer that composes the heating belt is set to about 5 m. For this reason, the eddy current cannot flow easily as much as the fixing device 200 according to the first embodiment, and as a result, the heat generation efficiency is lower than that of the fixing device 200 according to the first embodiment.
- the fixing device 200 since the specific resistance of the conductive layer provided on the surface of the heat generating sleeve 210 is less than 10 X 10- 6 ⁇ cm, current becomes easier to flow to the heat generating sleeve 210 The thermal efficiency of the heating sleeve 210 can be further improved.
- the fixing device 200 according to the present embodiment configured as described above can improve the transmittance of the magnetic field energy of the heat generating sleeve 210 from 67% to 99%.
- the change in the generated magnetic field due to the fluctuation of the rotation orbit can be further reduced.
- the fixing device 200 has a configuration in which the heating sleeve 210 is pinched and rotated between the fixing roller 240 and the pressure roller 250 and is curved so as to follow the coil guide 234.
- the heat generating sleeve 210 is formed in a cylindrical shape and is configured to be pinched and rotated between the fixing guide plate 401 and the pressure roller 250 so that a gap is formed with respect to the coil guide 234. You may. According to this configuration, the size of the fixing device can be reduced.
- the fixing device As described above, in the fixing device according to the present invention, even when the rotation trajectory of the heating rotator fluctuates, the change in the generated magnetic field is small, and the change in the calorific value of the heating rotator is also small. Since the heat generation efficiency of the image forming apparatus can be improved, it is useful as a fixing device of an electrophotographic or electrostatic recording type copying machine, facsimile, printer or the like.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fixing For Electrophotography (AREA)
- General Induction Heating (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US10/576,307 US7424259B2 (en) | 2003-10-21 | 2004-10-05 | Fixing apparatus |
JP2005514738A JPWO2005038534A1 (ja) | 2003-10-21 | 2004-10-05 | 定着装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003361051 | 2003-10-21 | ||
JP2003-361051 | 2003-10-21 |
Publications (1)
Publication Number | Publication Date |
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WO2005038534A1 true WO2005038534A1 (ja) | 2005-04-28 |
Family
ID=34463428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/014649 WO2005038534A1 (ja) | 2003-10-21 | 2004-10-05 | 定着装置 |
Country Status (3)
Country | Link |
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US (1) | US7424259B2 (ja) |
JP (1) | JPWO2005038534A1 (ja) |
WO (1) | WO2005038534A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008143113A (ja) * | 2006-12-13 | 2008-06-26 | Fuji Xerox Co Ltd | 積層体、無端状ベルト、定着装置及び画像形成装置 |
CN101266446B (zh) * | 2007-03-12 | 2012-07-11 | 株式会社理光 | 定影装置及使用该定影装置的图像形成装置和定影方法 |
CN104525886A (zh) * | 2015-01-27 | 2015-04-22 | 上海东震冶金工程技术有限公司 | 一种改善铸坯边角部裂纹缺陷的方法 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1674946A4 (en) * | 2003-10-17 | 2009-05-06 | Panasonic Corp | FIXING DEVICE AND TEMPERATURE CONTROL METHOD |
JP5345754B2 (ja) * | 2006-09-15 | 2013-11-20 | パナソニック株式会社 | 定着装置及び画像形成装置 |
JP4793467B2 (ja) * | 2009-03-27 | 2011-10-12 | 富士ゼロックス株式会社 | 定着装置および画像形成装置 |
JP5451362B2 (ja) * | 2009-12-22 | 2014-03-26 | キヤノン株式会社 | 像加熱装置 |
JP5412486B2 (ja) * | 2010-12-17 | 2014-02-12 | 京セラドキュメントソリューションズ株式会社 | 定着装置及びこれを備える画像形成装置 |
JP2012145647A (ja) * | 2011-01-07 | 2012-08-02 | Kyocera Document Solutions Inc | 定着装置及び画像形成装置 |
JP5879988B2 (ja) * | 2011-01-11 | 2016-03-08 | 株式会社リコー | 定着装置及び画像形成装置 |
CN102350488B (zh) * | 2011-10-31 | 2013-01-23 | 中冶赛迪工程技术股份有限公司 | 连铸大圆坯在线加热装置 |
US9442435B2 (en) * | 2014-10-03 | 2016-09-13 | Kabushiki Kaisha Toshiba | Fixing device, image forming apparatus and fixing method |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07319312A (ja) * | 1994-03-31 | 1995-12-08 | Minolta Co Ltd | 誘導加熱定着装置 |
JP2002148983A (ja) * | 2000-11-10 | 2002-05-22 | Fuji Xerox Co Ltd | 定着装置 |
JP2002328550A (ja) * | 2001-04-26 | 2002-11-15 | Toshiba Tec Corp | 定着装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62150371A (ja) | 1985-12-25 | 1987-07-04 | Alps Electric Co Ltd | 熱圧力定着装置 |
JP3267640B2 (ja) | 1991-06-28 | 2002-03-18 | 宇部日東化成株式会社 | 黒色系微粒子及びその製造方法 |
US5526103A (en) | 1994-03-31 | 1996-06-11 | Minolta Co., Ltd. | Induction heating fixing device |
JPH1074007A (ja) | 1996-08-30 | 1998-03-17 | Minolta Co Ltd | 定着装置 |
JP3915305B2 (ja) | 1999-03-16 | 2007-05-16 | 富士ゼロックス株式会社 | 加熱装置及び画像形成装置 |
JP2002055549A (ja) | 2000-08-10 | 2002-02-20 | Totoku Electric Co Ltd | 加熱ローラ |
JPWO2003039198A1 (ja) | 2001-11-01 | 2005-02-24 | 松下電器産業株式会社 | 加熱ローラ、像加熱装置および画像形成装置 |
US6872925B2 (en) * | 2002-08-05 | 2005-03-29 | Matsushita Electric Industrial Co., Ltd. | Image heating device using induction heating and image forming apparatus |
JP4231504B2 (ja) | 2003-01-14 | 2009-03-04 | パナソニック株式会社 | 像加熱装置及び画像形成装置 |
US7079800B2 (en) | 2003-02-19 | 2006-07-18 | Matsushita Electric Industrial Co., Ltd. | Image heating device |
JP2004145368A (ja) | 2004-01-27 | 2004-05-20 | Fuji Xerox Co Ltd | 定着装置 |
JP2005257945A (ja) | 2004-03-10 | 2005-09-22 | Matsushita Electric Ind Co Ltd | 像加熱装置 |
US7157673B2 (en) | 2004-03-12 | 2007-01-02 | Matsushita Electric Industrial Co., Ltd. | Image heating apparatus |
US7925177B2 (en) * | 2004-07-21 | 2011-04-12 | Ricoh Co, Ltd. | Image fixing apparatus stably controlling a fixing temperature, and image forming apparatus using the same |
KR100619046B1 (ko) * | 2004-08-25 | 2006-08-31 | 삼성전자주식회사 | 정착롤러 및 이를 적용한 정착장치 |
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2004
- 2004-10-05 US US10/576,307 patent/US7424259B2/en not_active Expired - Fee Related
- 2004-10-05 WO PCT/JP2004/014649 patent/WO2005038534A1/ja active Application Filing
- 2004-10-05 JP JP2005514738A patent/JPWO2005038534A1/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07319312A (ja) * | 1994-03-31 | 1995-12-08 | Minolta Co Ltd | 誘導加熱定着装置 |
JP2002148983A (ja) * | 2000-11-10 | 2002-05-22 | Fuji Xerox Co Ltd | 定着装置 |
JP2002328550A (ja) * | 2001-04-26 | 2002-11-15 | Toshiba Tec Corp | 定着装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008143113A (ja) * | 2006-12-13 | 2008-06-26 | Fuji Xerox Co Ltd | 積層体、無端状ベルト、定着装置及び画像形成装置 |
CN101266446B (zh) * | 2007-03-12 | 2012-07-11 | 株式会社理光 | 定影装置及使用该定影装置的图像形成装置和定影方法 |
CN104525886A (zh) * | 2015-01-27 | 2015-04-22 | 上海东震冶金工程技术有限公司 | 一种改善铸坯边角部裂纹缺陷的方法 |
Also Published As
Publication number | Publication date |
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JPWO2005038534A1 (ja) | 2007-11-22 |
US20070122214A1 (en) | 2007-05-31 |
US7424259B2 (en) | 2008-09-09 |
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