JP2652162B2 - Manufacturing method of heat fixing roller - Google Patents
Manufacturing method of heat fixing rollerInfo
- Publication number
- JP2652162B2 JP2652162B2 JP62157150A JP15715087A JP2652162B2 JP 2652162 B2 JP2652162 B2 JP 2652162B2 JP 62157150 A JP62157150 A JP 62157150A JP 15715087 A JP15715087 A JP 15715087A JP 2652162 B2 JP2652162 B2 JP 2652162B2
- Authority
- JP
- Japan
- Prior art keywords
- fluororesin
- heat fixing
- manufacturing
- fixing roller
- coated
- 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.)
- Expired - Lifetime
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 238000010304 firing Methods 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229920001774 Perfluoroether Polymers 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fixing For Electrophotography (AREA)
Description
【発明の詳細な説明】 ［発明の目的］ （産業上の利用分野） 本発明は、電子複写機等の熱定着部に使用される熱定
着ローラの製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial application field) The present invention relates to a method of manufacturing a heat fixing roller used in a heat fixing unit of an electronic copying machine or the like.
（従来の技術） 従来から、電子複写機等の熱定着部に使用される熱定
着ローラとして、PTFE（ポリテトラフルオロエチレン樹
脂）やPFA（パーフルオロアルコキシ樹脂）等のフッ素
樹脂を、アルミ等からなる金属芯軸上に、直接あるいは
シリコーンゴムやフッ素ゴム等のゴム層を介して被覆し
焼成してフッ素樹脂層を設けたものが一般に使用されて
いる。(Prior art) Conventionally, as a heat fixing roller used in a heat fixing section of an electronic copying machine or the like, a fluororesin such as PTFE (polytetrafluoroethylene resin) or PFA (perfluoroalkoxy resin) is formed from aluminum or the like. A metal shaft having a fluororesin layer, which is coated directly or via a rubber layer such as silicone rubber or fluororubber on a metal core shaft and baked, is generally used.
そしてこのようなローラの製造方法としては、フッ素
樹脂ディスパージョンを塗布する、フッ素樹脂粉体を静
電塗装するなどの方法によりフッ素樹脂を被覆し、次い
で表面に熱風を吹付ける、全体を加熱炉に保持もしくは
連続的に挿通させるなどの方法により、380〜400℃程度
の温度で数十分間加熱してフッ素樹脂を焼成しフッ素樹
脂層を形成する方法が一般に行われている。As a method for manufacturing such a roller, a fluororesin is coated by a method such as applying a fluororesin dispersion, electrostatically coating a fluororesin powder, and then blowing hot air on the surface. In general, a method of heating at a temperature of about 380 to 400 ° C. for several tens of minutes and baking the fluororesin to form a fluororesin layer by a method of holding or continuously penetrating the fluororesin is performed.
（発明が解決しようとする問題点） しかしながらこのような従来の方法では、焼成に長時
間を要するため生産性が低く、またフッ素樹脂がゴム層
上に被覆された場合には、その長時間の焼成中にゴム層
が熱劣化するおそれがあった。(Problems to be Solved by the Invention) However, such a conventional method requires a long time for sintering, so that the productivity is low, and when the fluororesin is coated on the rubber layer, the long time is required. During firing, the rubber layer could be thermally degraded.
さらに加熱炉を用いて焼成する方法では、炉内の温度
分布のバラツキにより、製品の品質にもバラツキを生ず
るという難点があった。Further, in the method of firing using a heating furnace, there is a problem that the quality of products also varies due to the variation in the temperature distribution in the furnace.
そこで本発明はこのような従来の難点を解消するため
になされたもので、生産性に優れ、またゴム層の熱劣化
のおそれもなく、さらに製品の品質を安定化させること
ができる熱定着ローラの製造方法を提供することを目的
とする。Accordingly, the present invention has been made to solve such conventional difficulties, and has excellent productivity, has no risk of thermal deterioration of a rubber layer, and can further stabilize product quality. It is an object of the present invention to provide a method for producing the same.
［発明の構成］ （問題点を解決するための手段） 本発明の熱定着ローラの製造方法は、金属芯軸上に、
直接もしくはゴム層を介してフッ素樹脂を被覆し、次い
で焼成するにあたり、フッ素樹脂を被覆した金属芯軸を
誘導加熱コイルに挿通させて加熱し焼成することを特徴
としている。[Structure of the Invention] (Means for Solving the Problems) The method for manufacturing a heat fixing roller of the present invention includes the steps of:
In coating the fluororesin directly or through a rubber layer and then firing, the metal core shaft coated with the fluororesin is passed through an induction heating coil and heated and fired.
本発明のゴム層を構成するゴム材料としては、耐熱性
に優れかつ適度な弾性を有するシリコーンゴムやフッ素
ゴムが適している。As the rubber material constituting the rubber layer of the present invention, silicone rubber or fluorine rubber having excellent heat resistance and appropriate elasticity is suitable.
また本発明に使用するフッ素樹脂としては、PTFE、PF
A、FEP（テトラフルオロエチレン・ヘキサフルオロプロ
ピレン共重合体）等があげられる。Further, as the fluororesin used in the present invention, PTFE, PF
A, FEP (tetrafluoroethylene / hexafluoropropylene copolymer) and the like.
本発明においては、このようなフッ素樹脂を、たとえ
ば次のような方法で、金属芯軸上に、直接もしくはゴム
層を介して被覆させる。In the present invention, such a fluororesin is coated on a metal core shaft directly or via a rubber layer by the following method, for example.
すなわちフッ素樹脂ディスパージョンを塗布する方
法、フッ素樹脂粉体を静電塗装する方法、フッ素樹脂フ
ィルムやフッ素樹脂チューブを巻回もしくは装着する方
法などにより被覆させる。That is, it is coated by a method of applying a fluororesin dispersion, a method of electrostatically coating a fluororesin powder, a method of winding or mounting a fluororesin film or a fluororesin tube, or the like.
フッ素樹脂被覆後、図面に示すように、その外周に、
高周波電源（図示を省略）に接続された誘導加熱コイル
１を嵌挿させ、380〜400℃の温度まで加熱して表層のフ
ッ素樹脂２を焼成させる。なおゴム層上にフッ素樹脂を
被覆した場合には、熱風吹付け等の他の公知の加熱手段
を併用して焼成させる。図において、３はアルミ等から
なる金属芯軸を示している。After the fluororesin coating, as shown in the drawing,
An induction heating coil 1 connected to a high-frequency power supply (not shown) is fitted and heated to a temperature of 380 to 400 ° C. to sinter the fluororesin 2 on the surface. When a fluororesin is coated on the rubber layer, it is fired by using other known heating means such as hot air blowing. In the drawing, reference numeral 3 denotes a metal core shaft made of aluminum or the like.
本発明において、フッ素樹脂の被覆を、フッ素樹脂デ
ィスパージョンを用いて行う場合には、通常、塗布後焼
成に先立って、塗布面に予備乾燥を施して分散剤を除去
するが、この予備乾燥も、誘導加熱コイルを用いて行う
ようにしてもよい。In the present invention, when coating with a fluororesin is performed using a fluororesin dispersion, prior to baking after application, the applied surface is usually subjected to preliminary drying to remove the dispersant, but this preliminary drying is also performed. Alternatively, it may be performed using an induction heating coil.
本発明においては、フッ素樹脂層と金属芯軸間、ある
いはフッ素樹脂層とゴム層間の密着性を高めるために、
金属芯軸あるいはゴム層表面にプライマーを塗布し、し
かる後その上にフッ素樹脂を被覆し、焼成するようにし
てもよい。In the present invention, in order to enhance the adhesion between the fluororesin layer and the metal core shaft, or between the fluororesin layer and the rubber layer,
A primer may be applied to the metal core shaft or the surface of the rubber layer, and then a fluororesin may be coated thereon and fired.
（作 用） 本発明方法では、被覆されたフッ素樹脂が、その外側
に嵌挿させた誘導加熱コイルにより所定の温度にまで速
かに加熱されて焼成されるため、その焼成時間が非常に
短時間ですみ、生産性が向上するとともに、焼成にとも
なうゴム層の熱劣化も防止される。そのうえ全体が均一
に加熱されるため製品の品質にバラツキを生ずることが
なくなる。(Operation) In the method of the present invention, the coated fluororesin is rapidly heated to a predetermined temperature by an induction heating coil fitted to the outside thereof and fired, so that the firing time is extremely short. In a short time, productivity is improved, and thermal deterioration of the rubber layer due to firing is prevented. In addition, since the whole is uniformly heated, there is no variation in product quality.
（実施例） 以下、本発明の実施例を記載する。(Examples) Hereinafter, examples of the present invention will be described.
実施例 外径40mm、胴長320mmのアルミ芯軸上に、AD−639（PT
FEディスパージョンの商品名 旭硝子社製）を塗布し、
予備乾燥を施してPTFE塗膜を形成した。Example An AD-639 (PT) was mounted on an aluminum core shaft with an outer diameter of 40 mm and a body length of 320 mm.
FE dispersion product name (made by Asahi Glass Co., Ltd.)
Predrying was performed to form a PTFE coating.
次いでこれを、6mmφのコイル用電線を23回コイル巻
きして得られた内径50mm、長さ400mmの誘導加熱コイル
内に挿入し、この誘導加熱コイルに160A、70Vの高周波
電流を40秒間通電して、PTFE塗膜を焼成した。Next, this was inserted into an induction heating coil having an inner diameter of 50 mm and a length of 400 mm obtained by winding a 6 mmφ coil wire for 23 times, and a high-frequency current of 160 A, 70 V was passed through the induction heating coil for 40 seconds. Then, the PTFE coating film was fired.
得られたPTFE被覆ローラの特性を調べたところ、従来
の加熱炉内に400℃の温度で15分間保持して焼成させて
得られた同一構成、同一サイズのPTFE被覆ローラの特性
に比べて全く遜色がなかった。When the characteristics of the obtained PTFE-coated roller were examined, the characteristics were the same as those of the PTFE-coated roller of the same configuration and the same size obtained by firing in a conventional heating furnace at a temperature of 400 ° C for 15 minutes and firing. There was no inferiority.
［発明の効果］ 以上説明したように本発明の熱定着ローラの製造方法
によれば、被覆されたフッ素樹脂が速かに所定の温度に
まで加熱されるため、焼成時間が大幅に短縮されて生産
性が向上し、コム層の熱劣化も防止される。しかも加熱
は均一に行われるため製品の品質が安定化する。[Effects of the Invention] As described above, according to the method of manufacturing a heat fixing roller of the present invention, the coated fluororesin is quickly heated to a predetermined temperature, so that the firing time is greatly reduced. Productivity is improved, and thermal deterioration of the comb layer is also prevented. Moreover, since the heating is performed uniformly, the quality of the product is stabilized.
図面は本発明の一実施例を説明するための側面図であ
る。 １……誘導加熱コイル ２……フッ素樹脂 ３……アルミ芯軸The drawings are side views for explaining one embodiment of the present invention. 1. Induction heating coil 2. Fluororesin 3. Aluminum core shaft
フロントページの続き (72)発明者 深堀 純一 川崎市川崎区小田栄２丁目１番１号 昭 和電線電纜株式会社内 (56)参考文献 特開 昭57−89785（ＪＰ，Ａ) 特開 昭57−11041（ＪＰ，Ａ) 特開 昭53−120499（ＪＰ，Ａ)Continuation of the front page (72) Inventor Junichi Fukabori 2-1-1 Oda Sakae, Kawasaki-ku, Kawasaki City Showa Electric Wire & Cable Co., Ltd. (56) References JP-A-57-89785 (JP, A) JP-A-57 -11041 (JP, A) JP-A-53-120499 (JP, A)
Claims (1)
てフッ素樹脂を被覆し、次いで焼成するにあたり、フッ
素樹脂を被覆した金属芯軸を誘導加熱コイルに挿通させ
て加熱し焼成することを特徴とする熱定着ローラの製造
方法。1. A method of coating a metal core shaft with a fluororesin directly or via a rubber layer and then firing the same by inserting the fluorocarbon resin-coated metal core shaft into an induction heating coil and heating and firing. A method for manufacturing a heat fixing roller, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62157150A JP2652162B2 (en) | 1987-06-24 | 1987-06-24 | Manufacturing method of heat fixing roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62157150A JP2652162B2 (en) | 1987-06-24 | 1987-06-24 | Manufacturing method of heat fixing roller |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPH01980A JPH01980A (en) | 1989-01-05 |
| JPS64980A JPS64980A (en) | 1989-01-05 |
| JP2652162B2 true JP2652162B2 (en) | 1997-09-10 |
Family
ID=15643268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62157150A Expired - Lifetime JP2652162B2 (en) | 1987-06-24 | 1987-06-24 | Manufacturing method of heat fixing roller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2652162B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100889012B1 (en) * | 2006-08-08 | 2009-03-20 | 대한민국 | Specific primers for detection of tabacco streak virus |
| JP4907491B2 (en) * | 2007-10-26 | 2012-03-28 | 株式会社島津製作所 | High frequency induction heating device and method of manufacturing high frequency induction heating device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6048697B2 (en) * | 1977-03-29 | 1985-10-29 | 株式会社リコー | Heat pipe roll performance inspection method |
| JPS5711041A (en) * | 1980-06-24 | 1982-01-20 | Arai Pump Mfg Co Ltd | Manufacture of rubber roll |
| JPS5789785A (en) * | 1980-11-25 | 1982-06-04 | Sumitomo Electric Ind Ltd | Fixing roller |
-
1987
- 1987-06-24 JP JP62157150A patent/JP2652162B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS64980A (en) | 1989-01-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4743940A (en) | Thermal fixing roller for use in a copying machine and method for manufacturing the same | |
| US4888464A (en) | Heat roll for electrophotography | |
| US4874927A (en) | Heating roll for fixing toner | |
| JP2652162B2 (en) | Manufacturing method of heat fixing roller | |
| JP2651590B2 (en) | Manufacturing method of heat fixing roller | |
| JPH01980A (en) | Manufacturing method of heat fixing roller | |
| JPH01219877A (en) | Production of thermal fixing roller | |
| JP3044745B2 (en) | Manufacturing method of heat fixing roller | |
| JP2802621B2 (en) | Manufacturing method of heat fixing roller | |
| JP2580130B2 (en) | Baking method of black paint on inner surface of core shaft for heat fixing roller | |
| JPS59149385A (en) | Heat fixing device | |
| JP3441325B2 (en) | Heat roller for fixing and method of manufacturing the same | |
| JPS6327873A (en) | Manufacture of heat fixing roller | |
| JP2691725B2 (en) | Heat fixing roller | |
| JP2685437B2 (en) | Manufacturing method of heat fixing roller | |
| JPS634286A (en) | Fixing roller and its production | |
| JPH0743557B2 (en) | Method of manufacturing heat fixing roller | |
| JP3439927B2 (en) | Cylindrical heater | |
| JPH06301308A (en) | Heating roller | |
| JPH04361026A (en) | Manufacture of thermal fixing roller | |
| JP2847292B2 (en) | Manufacturing method of heat fixing roller | |
| JPS638777A (en) | Production of heat fixing roller | |
| JP2000024586A (en) | Method for coating cylindrical or columnar base material with fluoroplastic | |
| JPS59151177A (en) | Heat fixing device | |
| JPS6245992B2 (en) |