WO2015093131A1 - 定着装置、画像形成装置 - Google Patents
定着装置、画像形成装置 Download PDFInfo
- Publication number
- WO2015093131A1 WO2015093131A1 PCT/JP2014/076745 JP2014076745W WO2015093131A1 WO 2015093131 A1 WO2015093131 A1 WO 2015093131A1 JP 2014076745 W JP2014076745 W JP 2014076745W WO 2015093131 A1 WO2015093131 A1 WO 2015093131A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fixing device
- roller
- pressure roller
- dust prevention
- prevention member
- Prior art date
Links
- 239000000428 dust Substances 0.000 claims abstract description 45
- 239000011882 ultra-fine particle Substances 0.000 claims abstract description 45
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 230000002265 prevention Effects 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 28
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 27
- 239000011737 fluorine Substances 0.000 claims description 27
- 229910052731 fluorine Inorganic materials 0.000 claims description 27
- 239000011347 resin Substances 0.000 claims description 17
- 229920005989 resin Polymers 0.000 claims description 17
- 229920002379 silicone rubber Polymers 0.000 claims description 11
- 229920001721 polyimide Polymers 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000004642 Polyimide Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 23
- 238000010586 diagram Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- 229910052782 aluminium Inorganic materials 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000009719 polyimide resin Substances 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000012855 volatile organic compound Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000002210 silicon-based material Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 101100228149 Drosophila melanogaster Trl gene Proteins 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
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
- G03G15/2053—Structural details of heat elements, e.g. structure of roller or belt, eddy current, induction heating
- G03G15/2057—Structural details of heat elements, e.g. structure of roller or belt, eddy current, induction heating relating to the chemical composition of the heat element 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
- G03G15/206—Structural details or chemical composition of the pressure elements and layers thereof
Definitions
- An electrophotographic image forming apparatus is equipped with a fixing device that fixes toner adhering to a sheet.
- the fixing device includes a heating roller that is heated to a predetermined fixing temperature, and a pressure roller that can rotate while being pressed against the heating roller. The toner attached to the sheet is melted and fixed to the sheet when passing through the nip portion of the heating roller and the pressure roller.
- UFP Ultra Fine Particle
- VOC Volatile Organic Compound
- An object of the present invention is to provide a fixing device and an image forming apparatus capable of suppressing the amount of UFP generated with a simple configuration.
- a fixing device includes a roller member, a heater, and a dust prevention member.
- the roller member has a width larger than a maximum sheet passing region through which a predetermined maximum size sheet passes.
- the heater heats the roller member.
- the dust prevention member is provided in an inner layer between the outer sheet passing region located on the outer side of the rotating shaft of the roller member and the rotating shaft than the maximum sheet passing region, and is heated by the heater. It is made of a material that does not generate or hardly generates ultrafine particle dust in a temperature environment below the temperature.
- a fixing device and an image forming apparatus capable of suppressing the amount of UFP generated with a simple configuration are realized.
- the image forming apparatus 10 includes an ADF 1, an image reading unit 2, an image forming unit 3, a paper feeding unit 4, a control unit 5, a display input device 6, and the like.
- the image forming apparatus 10 is a multifunction machine having a print function, a fax function, a scan function, a copy function, and the like.
- the present invention can also be applied to an image forming apparatus such as a printer, a facsimile, or a copier.
- the ADF 1 is an automatic document feeder that includes a document setting unit 11, a plurality of conveyance rollers 12, a document pressing unit 13, and a paper discharge unit 14.
- each of the transport rollers 12 is driven by a motor (not shown), so that the document placed on the document setting unit 11 is a position where the image reading unit 2 reads image data.
- the paper passes through the lower surface of the presser 13 and is conveyed to the paper discharge unit 14. As a result, the image reading unit 2 can read image data from a document conveyed by the ADF 1.
- the photosensitive drum 31 is uniformly charged to a predetermined potential by the charging device 32.
- the exposure device 33 irradiates the surface of the photosensitive drum 31 with light based on image data.
- an electrostatic latent image corresponding to the image data is formed on the surface of the photosensitive drum 31.
- the electrostatic latent image on the photosensitive drum 31 is developed (visualized) as a toner image by the developing device 34.
- the developing device 34 is supplied with toner (developer) from a toner container 34 ⁇ / b> A that can be attached to and detached from the image forming unit 3.
- the toner image formed on the photosensitive drum 31 is transferred to a sheet by the transfer roller 35.
- the toner image transferred to the sheet is melted and fixed by the sheet being heated by the fixing device 37.
- the toner remaining on the surface of the photosensitive drum 31 is removed by the cleaning device 36.
- the control unit 5 includes a CPU, a ROM, and a RAM.
- the CPU is a processor that executes various arithmetic processes.
- the ROM is a non-volatile storage unit in which information such as a control program for causing the CPU to execute various processes is stored in advance.
- the RAM is a volatile storage unit, and is used as a temporary storage memory (working area) for various processes executed by the CPU.
- the control unit 5 may be an electric circuit such as an ASIC or a DSP.
- the fixing device 37 includes a heating roller 371 and a pressure roller 372 that are rotatably supported by a housing 70 (see FIG. 1) of the fixing device 37.
- the heating roller 371 the rotating shaft 75 (refer FIG. 3) provided in the both ends of the longitudinal direction is supported by the said housing
- the pressure roller 372 is rotatably supported by the housing 70 with a rotation shaft 76 (see FIG. 3) provided at the center thereof.
- the rotating shafts 75 and 76 are both made of aluminum.
- the heating roller 371 includes a heater 373 inside. The heating roller 371 is heated to a predetermined fixing temperature by the heater 373. In the present embodiment, the fixing temperature is set to 200 ° C.
- the pressure roller 732 is an example of the roller member of the present invention.
- the outer peripheral surface of the heating roller 371 is covered with a fluorine coating layer 71 made of a fluorine resin such as PFA or PTFE.
- the fluorine coat layer 71 is formed on the surface of the heating roller 371 by a method of applying a fluorine resin-based paint by spraying or a method of coating by a dipping method in which the heating roller 371 is immersed in molten fluorine resin.
- the fluorine coat layer 71 is approximately several ⁇ m to several mm, and in this embodiment, the thickness is 1.0 mm. Since it is covered with the fluorine coating layer 71, the toner on the sheet is fixed to the sheet without adhering to the heating roller 371.
- the material of the pressure roller 372 includes an elastic member 73 made of elastic silicon rubber and a fluorine coat layer 74 made of fluorine resin.
- the inner layer of the pressure roller 372 is composed of an elastic member 73.
- a fluorine coat layer 74 (an example of the separation layer portion of the present invention) is formed on the surface layer of the pressure roller 372.
- the elastic member 73 is provided on the peripheral surface of the rotation shaft 76.
- the pressure roller 372 has a configuration in which, for example, a through-hole penetrating in the longitudinal direction is formed in the center of the elastic member 73 formed in a cylindrical shape, and the rotating shaft 76 is inserted into the through-hole.
- the fluorine coat layer 74 is formed on the surface of the pressure roller 372 by a method of applying a fluororesin-based paint by spraying or a method of coating by a dipping method in which the pressure roller 372 is immersed in molten fluorine resin.
- the fluorine coat layer 74 is approximately several ⁇ m to several mm, and in this embodiment, the thickness is 1 mm. Since the sheet is covered with the fluorine coating layer 72, the sheet is less likely to adhere to the pressure roller 372, the separation of the sheet at the time of fixing is improved, and the sheet separation is improved.
- the diameter of the pressure roller 372 is 20 mm, for example.
- the pressure roller 372 is urged toward the pressure roller 372 by an urging mechanism (not shown), and can be rotated while being in pressure contact with the heating roller 371.
- a nip region 82 is formed between the heating roller 371 and the pressure roller 372.
- the heating roller 371 is heated by the heating heater 373, heat is transmitted from the heating roller 371 to the heating roller through the nip region 82, and the pressure roller 372 is heated. That is, the pressure roller 372 is indirectly heated through the heating roller 371 in a state where the pressure roller 372 is in pressure contact with the heating roller 371 heated by the heater 373.
- the siloxane component that becomes UFP may be volatilized from the pressure roller 372.
- silicon rubber used as the material of the pressure roller 372 is heated to a predetermined temperature or higher, the siloxane component that becomes UFP is volatilized from the silicon rubber.
- the generation amount when the surface temperature is low is small, and the generation amount increases rapidly when the surface temperature exceeds a predetermined temperature. It is known to do.
- UFP is a causative substance of health damage and environmental pollution, and there is a high need to suppress the generation of UFP.
- a configuration in which the UFP generated in the fixing device 37 is removed by suction can be considered.
- this configuration causes the size and cost of the fixing device 37 and the image forming apparatus 10 to increase. Therefore, in the fixing device 37 of the present embodiment, UFP itself is not generated by the following configuration.
- FIG. 3 is a cross-sectional view in which a segment connecting the centers of the rotation shafts 75 and 76 of the heating roller 371 and the pressure roller 372 is a cutting line.
- the heater 373 is not shown.
- the heating roller 371 and the pressure roller 372 have a width larger than the maximum sheet passing region R ⁇ b> 1 through which a predetermined maximum size sheet that can be printed by the image forming apparatus 10 passes.
- a region outside the maximum sheet passing region R1 in the heating roller 371 and the pressure roller 372, that is, a region located outside in the axial direction of the rotation shafts 75 and 76 is a sheet passing outside region R2 through which the sheet does not pass. is there.
- the temperature of the non-sheet passing region R2 is higher than that of the maximum sheet passing region R1 (see FIG. 6).
- the temperature of the outside sheet passing region R2 may be about 30 ° C. higher than the temperature of the maximum sheet passing region R1.
- UFP is likely to occur in the outside sheet passing region R2.
- the fixing temperature is increased using the small-diameter heating roller 371 and the pressure roller 372 in order to realize miniaturization and high-speed printing, UFP is generated in the sheet passing outside region R2 of the pressure roller 372. Likely to happen.
- the dust prevention member 100 is disposed between the rotation shaft 76 and the outer sheet passing region R ⁇ b> 2 located outside the rotation shaft 76 of the pressure roller 372 than the maximum sheet passing region R ⁇ b> 1.
- an elastic member 73 made of silicon rubber is provided in an inner layer between the maximum sheet passing region R1 and the rotation shaft 76.
- the dust prevention member 100 is made of a material that does not generate UFP or is difficult to generate under a temperature environment that is not higher than a predetermined temperature that is heated by the heater 373.
- Specification of the material of the dust prevention member 100 was performed in the following manner. Specifically, a high-speed response type mobility particle sizer (FMPS: Fast Mobility Particle Sizer, Model: 3091) manufactured by TSI Incorporated was used to measure the amount of UFP generated.
- the test piece TP1 made of silicon resin, the test piece TP2 made of fluorine resin (PTFE resin), the test piece TP3 made of polyimide resin (PAI resin), and the test piece TP4 made of aluminum (predetermined metal)
- a test piece was prepared. And each was individually heated to 300 degreeC in the state accommodated in the test case. And UFP which generate
- the fixing temperature in the fixing device 37 is set to 200 ° C.
- the material of the dust prevention member 100 is based on the number of UFP generated at 230 ° C. Identified. Specifically, a material whose number of UFP generation at 230 ° C. is 1.0 ⁇ 10 4 pieces / cm 3 or less is specified as a material that does not generate UFP or a material that does not easily generate UFP under a temperature environment of 230 ° C. or less. did.
- the dust preventing member 100 is made of such a material, and the dust preventing member 100 is provided in the inner layer between the outer sheet passing region R2 and the rotating shaft 76 in the pressure roller 372. For this reason, even when the continuous paper passing region R2 is heated to 230 ° C. which is higher than the fixing temperature 200 ° C., UFP does not occur from the vicinity of the non-paper passing region R2. Even if it occurs, it can be evaluated that the amount generated is extremely small. Thereby, it is possible to suppress the generation amount of UFP with a simple configuration as compared with a configuration in which UFP is adsorbed and removed, and without increasing the size of the apparatus.
- Example 2 shows the results of measuring the amount of UFP generated from the image forming apparatus 10 on which the fixing device 37 having each pressure roller is mounted.
- a multifunction machine Model: TASKalfa256i manufactured by Kyocera Document Solutions Inc. was used.
- Example 1 shown in Table 2 is the image forming apparatus 10 on which the pressure roller 372A is mounted
- Example 2 is the image forming apparatus 10 on which the pressure roller 372B is mounted
- Example 3 is the pressure roller 372C.
- the mounted image forming apparatus 10, Example 4 is an image forming apparatus 10 on which a pressure roller 372D is mounted.
- Comparative Example 1 is the image forming apparatus 10 on which the pressure roller 372E is mounted, and
- Comparative Example 2 is the image forming apparatus 10 on which the pressure roller 372F is mounted.
- the measurement of the amount of UFP generated in the image forming apparatuses 10 of Examples 1 to 4 and Comparative Examples 1 and 2 was performed as follows. Specifically, a fast response particle particle sizer (FMPS: Mode 3091) manufactured by TSI Incorporated was used to measure the amount of UFP generated. More specifically, the image forming apparatus 10 was placed in a stainless steel casing of about 5 m 3 . Ventilation was performed with a blower or the like at a flow rate of 15 m 3 / h with respect to the air inside the housing.
- FMPS Fast response particle particle sizer
- FIG. 4B is a schematic diagram showing the pressure roller 372B.
- a dust prevention member 100B made of polyimide resin (PAI resin) is provided in an inner layer corresponding to the paper passing outside region R2.
- FIG. 4D is a schematic diagram showing the pressure roller 372D.
- the dust prevention member 100D included in the pressure roller 372D is formed integrally with a rotary shaft 76 made of aluminum, like the dust prevention member 100C. That is, the dust prevention member 100 ⁇ / b> D is made of aluminum, which is the same material as the rotating shaft 76.
- the dust prevention member 100 ⁇ / b> D has a deep hollow recess 81 in the axial direction formed on the outer surface in the axial direction of the rotating shaft 76. Thereby, weight reduction of the pressure roller 372 is achieved.
- the dust prevention member 100 ⁇ / b> D may be formed integrally with the rotation shaft 76, or may be configured as a separate member and fitted into the rotation shaft 76. Moreover, you may be comprised with the metal (for example, iron etc.) different from the rotating shaft 76.
- FIG. 5A is a schematic diagram showing the pressure roller 372E.
- the pressure roller 372E is provided with a columnar elastic member 73 made of silicon rubber on a rotation shaft 76, and a fluorine coat layer 74 is formed on the entire roller surface.
- an elastic member made of silicon rubber has been exemplified as a material causing UFP
- the present invention can also be applied to a configuration in which an elastic member other than silicon rubber that can generate UFP is used.
- ADF 2 Image reading unit 3: Image forming unit 4: Paper feeding unit 5: Control unit 6: Display input device 10: Image forming device 37: Fixing device 73: Elastic member 74: Fluorine coating layer 76: Rotating shaft 100: Dust prevention Member 371: Heating roller 372: Pressure roller 373: Heating heater R1: Maximum paper passing area R2: Out-paper passing area
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fixing For Electrophotography (AREA)
Abstract
Description
まず、本発明の実施の形態に係る画像形成装置10の概略構成について説明する。
前記画像読取部2の上面に設けられた原稿の載置部である。前記読取ユニット22は、LED光源221及びミラー222を備える。前記LED光源221は、主走査方向(図1における奥行き方向)に沿って配列された多数の白色LEDを備える。前記ミラー222は、前記LED光源221から照射されて前記原稿台21上の読取位置にある原稿の表面で反射した後の光を前記ミラー23に向けて反射させる。また、前記読取ユニット22は、副走査方向(図1における左右方向)へ移動可能である。そして、前記ミラー222で反射した光は、前記ミラー23及び前記ミラー24によって前記光学レンズ25に導かれる。前記光学レンズ25は、入射した光を集光して前記CCD26に入射させる。前記CCD26は、前記光学レンズ25から入射される光の受光量に応じた電気信号を原稿の画像データとして前記制御部5に入力する光電変換素子などを有する。
次に、前記定着装置37の詳細な構成について説明する。
以下、粉塵防止部材100を適用した加圧ローラー372A~372Dの構成と、粉塵防止部材100を適用していない加圧ローラー372E,372Fの構成について説明する。また、各加圧ローラーを有する定着装置37が搭載された画像形成装置10から排出されるUFPの発生量について測定した結果を表2に示す。なお、画像形成装置10として、京セラドキュメントソリューションズ株式会社製の複合機(Model:TASKalfa256i)を用いた。また、表2に示される実施例1は加圧ローラー372Aが搭載された画像形成装置10、実施例2は加圧ローラー372Bが搭載された画像形成装置10、実施例3は加圧ローラー372Cが搭載された画像形成装置10、実施例4は加圧ローラー372Dが搭載された画像形成装置10である。また、比較例1は加圧ローラー372E搭載された画像形成装置10、比較例2は加圧ローラー372Fが搭載された画像形成装置10である。
2 :画像読取部
3 :画像形成部
4 :給紙部
5 :制御部
6 :表示入力装置
10:画像形成装置
37:定着装置
73:弾性部材
74:フッ素コート層
76:回転軸
100:粉塵防止部材
371:加熱ローラー
372:加圧ローラー
373:加熱ヒーター
R1:最大通紙領域
R2:通紙外領域
Claims (8)
- 予め定められた最大サイズのシートが通過する最大通紙領域よりも大きな幅を有するローラー部材と、
前記ローラー部材を加熱する加熱ヒーターと、
前記最大通紙領域よりも前記ローラー部材の回転軸の外側に位置する通紙外領域と前記回転軸との間の内部層に設けられ、前記加熱ヒーターによって加熱される所定温度以下の温度環境下において超微粒子粉塵が発生しない材料もしくは発生し難い材料で構成された粉塵防止部材と、を備える定着装置。 - 粉塵防止部材は、230℃以下の温度環境下における超微粒子粉塵の発生量が少ないフッ素系樹脂、ポリイミド系樹脂、或いは所定の金属によって構成されている請求項1に記載の定着装置。
- 前記ローラー部材の表面に設けられ、定着時のシートの分離性を高める前記フッ素樹脂からなる薄層の分離層部を更に備え、
前記粉塵防止部材は、前記分離層部と同じ材料である前記フッ素樹脂で構成されている請求項2に記載の定着装置。 - 前記回転軸は、前記所定の金属で形成されており、
前記粉塵防止部材は、前記回転軸と一体に形成されている請求項2に記載の定着装置。 - 前記粉塵防止部材における前記回転軸の軸方向の外側の面に中空状の凹部が形成されている請求項4に記載の定着装置。
- 前記ローラー部材の前記最大通紙領域と前記回転軸との間の内部層はシリコンゴムで構成されている請求項1に記載の定着装置。
- 前記ローラー部材は、前記加熱ヒーターによって加熱される加熱ローラーに圧接した状態で回転可能に設けられ、前記加熱ローラーを介して間接的に加熱される加圧ローラーである請求項1に記載の定着装置。
- 請求項1に記載の定着装置を備える画像形成装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015516931A JP5963954B2 (ja) | 2013-12-17 | 2014-10-07 | 定着装置、画像形成装置 |
US14/434,078 US20150362873A1 (en) | 2013-12-17 | 2014-10-07 | Fixing Device, Image Forming Apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013-260265 | 2013-12-17 | ||
JP2013260265 | 2013-12-17 |
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PCT/JP2014/076745 WO2015093131A1 (ja) | 2013-12-17 | 2014-10-07 | 定着装置、画像形成装置 |
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US (1) | US20150362873A1 (ja) |
JP (1) | JP5963954B2 (ja) |
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JP6178289B2 (ja) * | 2014-07-25 | 2017-08-09 | 京セラドキュメントソリューションズ株式会社 | 画像形成装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005164931A (ja) * | 2003-12-02 | 2005-06-23 | Nissei Electric Co Ltd | 定着用加圧ローラ |
JP2008009265A (ja) * | 2006-06-30 | 2008-01-17 | Kyocera Mita Corp | シート搬送用ローラ及び画像形成装置 |
JP2008009264A (ja) * | 2006-06-30 | 2008-01-17 | Kyocera Mita Corp | シート搬送用ローラ及び画像形成装置 |
JP2011128279A (ja) * | 2009-12-16 | 2011-06-30 | Konica Minolta Business Technologies Inc | 画像形成装置 |
JP2012185248A (ja) * | 2011-03-04 | 2012-09-27 | Kyocera Document Solutions Inc | 定着部材とその製造方法、定着装置及び画像形成装置 |
JP2012185247A (ja) * | 2011-03-04 | 2012-09-27 | Kyocera Document Solutions Inc | 定着部材とその製造方法、定着装置及び画像形成装置 |
JP2014185675A (ja) * | 2013-03-22 | 2014-10-02 | Fuji Xerox Co Ltd | 搬送ロール、定着装置、画像形成装置 |
-
2014
- 2014-10-07 US US14/434,078 patent/US20150362873A1/en not_active Abandoned
- 2014-10-07 JP JP2015516931A patent/JP5963954B2/ja not_active Expired - Fee Related
- 2014-10-07 WO PCT/JP2014/076745 patent/WO2015093131A1/ja active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005164931A (ja) * | 2003-12-02 | 2005-06-23 | Nissei Electric Co Ltd | 定着用加圧ローラ |
JP2008009265A (ja) * | 2006-06-30 | 2008-01-17 | Kyocera Mita Corp | シート搬送用ローラ及び画像形成装置 |
JP2008009264A (ja) * | 2006-06-30 | 2008-01-17 | Kyocera Mita Corp | シート搬送用ローラ及び画像形成装置 |
JP2011128279A (ja) * | 2009-12-16 | 2011-06-30 | Konica Minolta Business Technologies Inc | 画像形成装置 |
JP2012185248A (ja) * | 2011-03-04 | 2012-09-27 | Kyocera Document Solutions Inc | 定着部材とその製造方法、定着装置及び画像形成装置 |
JP2012185247A (ja) * | 2011-03-04 | 2012-09-27 | Kyocera Document Solutions Inc | 定着部材とその製造方法、定着装置及び画像形成装置 |
JP2014185675A (ja) * | 2013-03-22 | 2014-10-02 | Fuji Xerox Co Ltd | 搬送ロール、定着装置、画像形成装置 |
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US20150362873A1 (en) | 2015-12-17 |
JP5963954B2 (ja) | 2016-08-03 |
JPWO2015093131A1 (ja) | 2017-03-16 |
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