JP2000136822A - Manufacture of heat roller - Google Patents
Manufacture of heat rollerInfo
- Publication number
- JP2000136822A JP2000136822A JP10325974A JP32597498A JP2000136822A JP 2000136822 A JP2000136822 A JP 2000136822A JP 10325974 A JP10325974 A JP 10325974A JP 32597498 A JP32597498 A JP 32597498A JP 2000136822 A JP2000136822 A JP 2000136822A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- resistant resin
- resin tube
- tube
- mold
- 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.)
- Granted
Links
Landscapes
- Fixing For Electrophotography (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、複写機やレーザー
プリンタなどのトナー像定着に用いる耐熱性樹脂チュー
ブを被覆したヒートローラの製造方法に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a heat roller coated with a heat-resistant resin tube used for fixing a toner image of a copying machine or a laser printer.
【０００２】[0002]
【従来の技術】本発明は、出願人が先に出願した特願平
６−３３８５４３（平成６年１２月２８日出願）（特開
平８−１８５０７２号公報）の改良発明である。前記の
特願平６−３３８５４３号においては、予め芯金にプラ
イマー（接着剤）塗布しただけで耐熱性樹脂チューブを
被覆させていた。ところが、プライマーと耐熱性樹脂、
特にフッ素樹脂間での密着性が余り良くなく、耐熱性樹
脂チューブの表面の平滑性が不均一になり、シワが発生
したり、あるいは芯金と耐熱性樹脂チューブが剥離し易
いという耐久性の問題があった。2. Description of the Related Art The present invention is an improvement of Japanese Patent Application No. 6-338543 (filed on Dec. 28, 1994) (Japanese Patent Application Laid-open No. Hei. In the above-mentioned Japanese Patent Application No. 6-338543, the heat-resistant resin tube is covered only by applying a primer (adhesive) to the core in advance. However, primer and heat-resistant resin,
In particular, the adhesion between the fluororesins is not very good, the surface smoothness of the heat-resistant resin tube becomes non-uniform, wrinkles are generated, or the durability that the core metal and the heat-resistant resin tube are easily peeled off. There was a problem.
【０００３】[0003]
【発明が解決しようとする課題】従って、本発明は、芯
金との密着強度が高く、耐久性があり、しかも、表面が
均一で薄い耐久性樹脂被覆層を有する熱伝導性の良好な
ヒートローラを製造することを課題とするものである。SUMMARY OF THE INVENTION Accordingly, the present invention provides a heat-resistant, heat-resistant heat-resistant layer having a high adhesion strength to a metal core, a durable, uniform surface and a durable resin coating layer. It is an object to manufacture a roller.
【０００４】[0004]
【課題を解決するための手段】本発明者等は、上記課題
を解決すべく鋭意検討を重ねた結果、予め芯金にプライ
マー（接着剤）だけでなく、被覆させる耐熱性樹脂チュ
ーブと同一種類の耐熱性樹脂を塗布することを考え、本
発明を完成するに至った。即ち、本願発明によれば、
（ａ）内面が円筒状の金型を準備する工程、（ｂ）該金
型の内面に沿って、該金型の内径よりも小さい外径を有
する耐熱性樹脂チューブを配置する工程、（ｃ）該金型
の内面を該耐熱性樹脂チューブとの間の空気を抜いて減
圧にし、該耐熱性樹脂チューブを拡開せしめる工程、
（ｄ）該耐熱性樹脂チューブ内に、予め耐熱性樹脂を塗
布した芯金を挿入する工程、（ｅ）該耐熱性樹脂チュー
ブに加えられている拡開力を解放して、該耐熱性樹脂チ
ューブを該芯金に密着させる工程、及び（ｆ）該耐熱性
樹脂チューブを該芯金に加熱融着させる工程を含むこと
を特徴とするヒートローラの製造方法が提供される。The present inventors have made intensive studies to solve the above-mentioned problems, and as a result, in addition to using a primer (adhesive) on the core in advance, the same type of heat-resistant resin tube as that to be coated is used. Considering the application of a heat-resistant resin, the present invention was completed. That is, according to the present invention,
(A) a step of preparing a mold having a cylindrical inner surface; (b) a step of disposing a heat-resistant resin tube having an outer diameter smaller than the inner diameter of the mold along the inner surface of the mold; (c) A) depressurizing the inner surface of the mold by evacuating air between the heat-resistant resin tube and expanding the heat-resistant resin tube;
(D) a step of inserting a core coated with a heat-resistant resin in advance into the heat-resistant resin tube, and (e) releasing the expanding force applied to the heat-resistant resin tube to release the heat-resistant resin. A method of manufacturing a heat roller, comprising: a step of bringing a tube into close contact with the core metal; and (f) a step of heat-fusing the heat-resistant resin tube to the core metal.
【０００５】[0005]
【発明の実施の形態】以下、図面を参照しながら、本発
明を具体的に説明する。本発明方法を実施するには、ま
ず、図１に示すような円筒状の金型１を準備する。金型
１の両端には、耐熱性樹脂チューブを係止するためのフ
ランジ部２、２′が形成されており、該フランジ部２、
２′の少なくとも一方に、金型１の内面と耐熱性チュー
ブとの間の空気を抜いて減圧にするための細孔３が穿設
されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below with reference to the drawings. In order to carry out the method of the present invention, first, a cylindrical mold 1 as shown in FIG. 1 is prepared. At both ends of the mold 1, flange portions 2 and 2 'for locking the heat-resistant resin tube are formed.
At least one of 2 'is provided with a pore 3 for removing air between the inner surface of the mold 1 and the heat-resistant tube to reduce the pressure.
【０００６】次いで、該金型１の内面に沿って、該金型
１の内径よりも小さい外径を有する耐熱性樹脂チューブ
４を配置する。耐熱性樹脂チューブ４の両端部４Ｅ、４
Ｅ′は、その外径が金型１のフランジ部２、２′の外径
よりも小さいから、金型１の両端部で折り返し、チュー
ブ両端部４Ｅ、４Ｅ′を押しひろげてフランジ部２、
２′にかぶせるようにすれば、チューブ両端部４Ｅ、４
Ｅ′の弾性回復力により、自動的に金型１のフランジ部
２、２′に係止される。また、必要に応じて、テープ、
締付具等で耐熱性樹脂チューブ４を金型１に固定するよ
うにしてもよい。Next, a heat-resistant resin tube 4 having an outer diameter smaller than the inner diameter of the mold 1 is arranged along the inner surface of the mold 1. Both ends 4E, 4 of heat resistant resin tube 4
Since E ′ has an outer diameter smaller than the outer diameter of the flanges 2 and 2 ′ of the mold 1, it is folded back at both ends of the mold 1 and both ends 4 E and 4 E ′ of the tube are pushed open to open the flange 2,
2 ', the tube ends 4E, 4E
Due to the elastic recovery force of E ', it is automatically locked to the flange portions 2, 2' of the mold 1. Also, if necessary, tape,
The heat-resistant resin tube 4 may be fixed to the mold 1 with a fastener or the like.
【０００７】本発明で使用する耐熱性樹脂チューブ４と
しては、例えばフッ素樹脂チューブを挙げることがで
き、なかでも、ポリテトラフルオロエチレン（ＰＴＦ
Ｅ）、テトラフルオロエチレン−パーフルオロアルキル
ビニルエーテル共重合体（ＰＦＡ）、又はテトラフルオ
ロエチレン−ヘキサフルオロプロピレン共重合体（ＦＥ
Ｐ）からなるチューブが好ましく用いられる。耐熱性樹
脂チューブ４の厚さは、１０〜１００μｍが好ましく、
特に好ましくは３０〜４５μｍである。このチューブ４
の厚さが厚すぎると、ヒートローラの熱導性が低下し、
熱効率が悪くなり、逆に薄すぎるとチューブ自体の製造
が困難になる。As the heat-resistant resin tube 4 used in the present invention, for example, a fluororesin tube can be mentioned, and among them, polytetrafluoroethylene (PTF) is preferable.
E), tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer (PFA), or tetrafluoroethylene-hexafluoropropylene copolymer (FE
A tube consisting of P) is preferably used. The thickness of the heat-resistant resin tube 4 is preferably 10 to 100 μm,
Particularly preferably, it is 30 to 45 μm. This tube 4
If the thickness is too thick, the heat conductivity of the heat roller is reduced,
If the thermal efficiency deteriorates, on the other hand, if it is too thin, it becomes difficult to manufacture the tube itself.
【０００８】金型１の内径は、耐熱性樹脂チューブ４の
外径よりも１５〜２０％程度大きくしておくのが適当で
あり、例えば外径２１．４ｍｍのテトラフルオロエチレ
ン−パーフルオロアルキルビニルエーテル共重合体（Ｐ
ＦＡ）チューブを使用する場合は、金型１の内径を２
５．２ｍｍ程度にしておけばよい。It is appropriate that the inner diameter of the mold 1 is larger than the outer diameter of the heat-resistant resin tube 4 by about 15 to 20%, for example, tetrafluoroethylene-perfluoroalkyl vinyl ether having an outer diameter of 21.4 mm. Copolymer (P
FA) When using a tube, set the inner diameter of the mold 1 to 2
It may be set to about 5.2 mm.
【０００９】次いで、空気抜き細孔３の上の部分で、耐
熱性樹脂チューブ４に、ピンで孔４Ｈをあけ、該孔４Ｈ
にサクションノズルを押しつけ、金型１の内面と耐熱性
樹脂チューブ４との間の空気を抜いて減圧にし、該樹脂
チューブ４を拡開せしめ、金型１の内面に密着させる。Then, a hole 4H is made with a pin in the heat-resistant resin tube 4 at a portion above the air vent hole 3, and the hole 4H is formed.
Then, a suction nozzle is pressed against the inner surface of the mold 1 to evacuate the air between the inner surface of the mold 1 and the heat-resistant resin tube 4 to reduce the pressure. The resin tube 4 is expanded and brought into close contact with the inner surface of the mold 1.
【００１０】一方、必要に応じて予めプライマーを表面
に塗布した後、さらに耐熱性樹脂６を塗布した芯金５
を、図３に示すように該樹脂チューブ４内に挿入する。
この場合、芯金５の端部が樹脂チューブ４に接触して傷
つけるのを防ぐために、芯金５の挿入側端部に、プラス
チック等からなる平滑なプロテクター７を取り付けてお
くのが好ましい。ここで、芯金５に塗布する耐熱性樹脂
６としては、前記の耐熱性樹脂チューブ４と同様のフッ
素樹脂を使用することができるが、密着を良くするため
同一の種類（例えば、４・６ともにＰＦＡ樹脂を使用）
とするのが好ましい。さらに、後工程の加熱融着を完全
なものとするため、芯金５に塗布する耐熱性樹脂６のＭ
ＦＲ（メルトフローレイト）を耐熱性樹脂チューブ４の
ＭＦＲより大きくすることがより好ましい。なお、芯金
５の外径と耐熱性樹脂４の外径との関係は、後者が前者
よりも１０〜１５％程度小さくなるように設定しておく
のが好ましい。従って、前述のテトラフルオロエチレン
−パーフルオロアルキルビニルエーテル共重合体（ＰＦ
Ａ）は、例えば、外径が２４．７ｍｍ前後の芯金５に対
応している。On the other hand, if necessary, a primer is coated on the surface in advance, and then a heat-resistant resin
Is inserted into the resin tube 4 as shown in FIG.
In this case, it is preferable to attach a smooth protector 7 made of plastic or the like to the end on the insertion side of the cored bar 5 in order to prevent the end of the cored bar 5 from being damaged by contacting the resin tube 4. Here, as the heat-resistant resin 6 applied to the metal core 5, the same fluororesin as the heat-resistant resin tube 4 can be used, but the same type (for example, 4.6 Both use PFA resin)
It is preferred that Further, in order to complete the heat fusion in the subsequent step, the M of the heat resistant resin 6 applied to the cored bar 5 is reduced.
It is more preferable that the FR (melt flow rate) be larger than the MFR of the heat-resistant resin tube 4. It is preferable that the relationship between the outer diameter of the metal core 5 and the outer diameter of the heat-resistant resin 4 is set so that the latter is smaller than the former by about 10 to 15%. Therefore, the above-mentioned tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer (PF
A) corresponds to, for example, a cored bar 5 having an outer diameter of about 24.7 mm.
【００１１】次いで、サクションノズルによる吸引を停
止し、耐熱性樹脂チューブ４に加えられている拡開力を
解放すると、該樹脂チューブ４は、弾性回復力により元
の状態に戻ろうとして、芯金５の表面に密着する。この
ように、樹脂チューブ４が密着した状態の芯金５を金型
１から取り出し、図４に示すように、芯金５の両端部
で、耐熱性テープ８、８′により樹脂チューブ４を芯金
５に固定する。これは、この後で行う加熱融着処理時
に、樹脂チューブ４が長さ方向に収縮して、しわが生
じ、樹脂被覆層が不均一になるのを防止するためのもの
である。この耐熱性テープ８、８′よりも中央側の樹脂
チューブ４にその円周方向に、加熱融着処理時に発生す
るガスを排出させるための孔９、９′を、それぞれ数個
ずつあける。Next, when the suction by the suction nozzle is stopped and the expanding force applied to the heat-resistant resin tube 4 is released, the resin tube 4 tries to return to the original state by the elastic recovery force, and the core metal is returned. 5 closely adheres to the surface. In this manner, the core metal 5 with the resin tube 4 in close contact therewith is taken out of the mold 1, and the resin tube 4 is cored with heat-resistant tapes 8, 8 'at both ends of the core metal 5, as shown in FIG. Fix to Gold 5. This is to prevent the resin tube 4 from shrinking in the length direction and causing wrinkles in the subsequent heat-fusion process to make the resin coating layer non-uniform. Several holes 9 and 9 'are formed in the resin tube 4 closer to the center than the heat-resistant tapes 8 and 8' in the circumferential direction to discharge gas generated during the heat-sealing process.
【００１２】芯金５の表面には、プライマー及び耐熱性
樹脂６が塗布されているので、耐熱性テープ８、８′に
よる固定は、耐熱性樹脂６塗布面よりも両端側で行な
い、該耐熱性テープ８、８′と耐熱性樹脂６塗布面との
間に、それぞれ２ｍｍ程度の間隔を設け、この間隔部に
おいて、樹脂チューブ４にその円周方向に、それぞれ数
個ずつの孔をあけ、加熱融着処理時に発生するガスを排
出させる。また、樹脂チューブ４の両端部４Ｅ、４Ｅ′
は不要であり、切断、除去する。Since the primer and the heat-resistant resin 6 are applied to the surface of the metal core 5, the fixing with the heat-resistant tapes 8 and 8 'is performed on both ends of the heat-resistant resin 6 applied surface. A space of about 2 mm is provided between the conductive tapes 8 and 8 ′ and the surface on which the heat-resistant resin 6 is applied, and at this space, several holes are made in the resin tube 4 in the circumferential direction thereof. The gas generated during the heat fusion process is discharged. Also, both ends 4E, 4E 'of the resin tube 4
Is unnecessary, and is cut and removed.
【００１３】次いで、耐熱性樹脂チューブ４を芯金５に
加熱融着させるが、芯金５の一部に樹脂チューブ４を融
着させる必要がない場合は、加熱融着処理を２段階に分
けて行い、比較的おだやかな条件下での仮焼成を行った
後で不要部の樹脂チューブ４を除去し、その後で本焼成
を行い、樹脂チューブ４を完全に芯金５に融着させる。
ここで、前記した様に、芯金に塗布した耐熱性樹脂５と
耐熱性樹脂チューブ４を同一種類のフッ素樹脂とし、し
かも、芯金に塗布した耐熱性樹脂５のＭＦＲ（メルトフ
ローレイト）が耐熱性樹脂チューブ４のＭＦＲよりも大
きいフッ素樹脂を選択したことによって融着が完全なも
のとなり、高い密着強度が得られる。Next, the heat-resistant resin tube 4 is heated and fused to the metal core 5. If it is not necessary to fuse the resin tube 4 to a part of the metal core 5, the heat fusion process is divided into two stages. After performing preliminary calcination under relatively mild conditions, unnecessary portions of the resin tube 4 are removed, and thereafter, main calcination is performed, and the resin tube 4 is completely fused to the core metal 5.
Here, as described above, the heat-resistant resin 5 and the heat-resistant resin tube 4 applied to the metal core are made of the same type of fluororesin, and the MFR (melt flow rate) of the heat-resistant resin 5 applied to the metal core is By selecting a fluororesin that is larger than the MFR of the heat-resistant resin tube 4, the fusion becomes perfect and a high adhesion strength can be obtained.
【００１４】例えば、前述のテトラフルオロエチレン−
パーフルオロアルキルビニルエーテル共重合体（ＰＦ
Ａ）チューブを用いた場合は、３３０℃、２０分間の仮
焼成を行って、樹脂が完全に芯金５に融着していない状
態で不要部のチューブを取り除き、その後で、３９０
℃、３０分間の本焼成を行って、樹脂を完全に芯金５に
融着させればよい。For example, the aforementioned tetrafluoroethylene-
Perfluoroalkyl vinyl ether copolymer (PF
A) In the case of using a tube, preliminary firing is performed at 330 ° C. for 20 minutes to remove an unnecessary portion of the tube in a state where the resin is not completely fused to the core metal 5.
The resin may be completely fused to the core metal 5 by performing main firing at 30 ° C. for 30 minutes.
【００１５】[0015]
【発明の効果】本発明によれば、予め芯金に耐熱性樹脂
チューブと同一種類の耐熱性樹脂を塗布した後、加熱融
着するので密着強度が高く、しかも表面が均一で、薄い
耐熱性樹脂被覆層を有する熱伝導性の良好なヒートロー
ラを安価に製造することができる。According to the present invention, the same type of heat-resistant resin as the heat-resistant resin tube is applied to the core in advance and then heated and fused, so that the adhesive strength is high, the surface is uniform, and the heat resistance is thin. A heat roller having a resin coating layer and good heat conductivity can be manufactured at low cost.
【図１】本発明に使用する金型の例を示す断面図であ
る。FIG. 1 is a sectional view showing an example of a mold used in the present invention.
【図２】本発明において、金型に耐熱性樹脂チューブを
装着した状態を示す断面図である。FIG. 2 is a cross-sectional view showing a state in which a heat-resistant resin tube is mounted on a mold in the present invention.
【図３】本発明において、予め耐熱性樹脂を塗布した芯
金を金型内に挿入した状態を示す断面図である。FIG. 3 is a cross-sectional view showing a state in which a core metal coated with a heat-resistant resin in advance is inserted into a mold in the present invention.
【図４】本発明において、耐熱性樹脂を塗布した芯金に
耐熱性樹脂フィルムを密着させて、金型から取り出した
後の状態を示す断面図である。FIG. 4 is a cross-sectional view showing a state after a heat-resistant resin film is adhered to a core metal coated with a heat-resistant resin and taken out of a mold according to the present invention.
１ 金型 ４ 耐熱性樹脂チューブ ５ 芯金 ６ 耐熱性樹脂 Reference Signs List 1 mold 4 heat-resistant resin tube 5 core 6 heat-resistant resin
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 2H033 AA26 AA31 BB05 BB14 3J103 AA02 AA14 AA24 AA41 AA53 AA81 BA17 EA02 EA06 EA08 EA13 FA01 FA10 FA15 FA18 GA02 GA57 GA58 GA66 HA04 HA05 HA13 HA41 HA54 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2H033 AA26 AA31 BB05 BB14 3J103 AA02 AA14 AA24 AA41 AA53 AA81 BA17 EA02 EA06 EA08 EA13 FA01 FA10 FA15 FA18 GA02 GA57 GA58 GA66 HA04 HA05 HA13 HA41 HA54
Claims (4)
程、 （ｂ）該金型の内面に沿って、該金型の内径よりも小さ
い外径を有する耐熱性樹脂チューブを配置する工程、 （ｃ）該金型の内面を該耐熱性樹脂チューブとの間の空
気を抜いて減圧にし、該耐熱性樹脂チューブを拡開せし
める工程、 （ｄ）該耐熱性樹脂チューブ内に、予め耐熱性樹脂を塗
布した芯金を挿入する工程、 （ｅ）該耐熱性樹脂チューブに加えられている拡開力を
解放して、該耐熱性樹脂チューブを該芯金に密着させる
工程、及び （ｆ）該耐熱性樹脂チューブを該芯金に加熱融着させる
工程を含むことを特徴とするヒートローラの製造方法。(A) preparing a mold having a cylindrical inner surface; (b) disposing a heat-resistant resin tube having an outer diameter smaller than the inner diameter of the mold along the inner surface of the mold; (C) a step of depressurizing the inner surface of the mold by removing air between the heat-resistant resin tube and expanding the heat-resistant resin tube, (d) inside the heat-resistant resin tube, (E) releasing the expanding force applied to the heat-resistant resin tube to bring the heat-resistant resin tube into close contact with the core metal, and (F) A method for manufacturing a heat roller, comprising a step of heat-fusing the heat-resistant resin tube to the core metal.
耐熱性樹脂が、ポリテトラフルオロエチレン（ＰＴＦ
Ｅ）、テトラフルオロエチレンーパーフルオロアルキル
ビニルエーテル共重合体（ＰＦＡ）、又はテトラフルオ
ロエチレンーヘキサフルオロプロピレン共重合体（ＦＥ
Ｐ）からなる樹脂である請求項１記載のヒートローラの
製造方法。2. The heat-resistant resin applied to the heat-resistant resin tube and the core metal is polytetrafluoroethylene (PTF).
E), tetrafluoroethylene-perfluoroalkylvinyl ether copolymer (PFA), or tetrafluoroethylene-hexafluoropropylene copolymer (FE
The method for producing a heat roller according to claim 1, wherein the resin is a resin comprising P).
００μｍである請求項１又は２記載のヒートローラの製
造方法。3. The thickness of the heat-resistant resin tube is 10 to 1
3. The method for manufacturing a heat roller according to claim 1, wherein the thickness of the heat roller is 00 μm.
ｍ〜３０μｍであり、且つ、該耐熱性樹脂のＭＦＲ（メ
ルトフローレイト）が該耐熱性樹脂チューブのＭＦＲよ
り大きい請求項１又は２記載のヒートローラの製造方
法。4. The heat-resistant resin applied to the core has a thickness of 1 μm.
The heat roller manufacturing method according to claim 1, wherein the heat-resistant resin has an MFR (melt flow rate) larger than that of the heat-resistant resin tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32597498A JP4255546B2 (en) | 1998-10-30 | 1998-10-30 | Manufacturing method of heat roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32597498A JP4255546B2 (en) | 1998-10-30 | 1998-10-30 | Manufacturing method of heat roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000136822A true JP2000136822A (en) | 2000-05-16 |
| JP4255546B2 JP4255546B2 (en) | 2009-04-15 |
Family
ID=18182680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32597498A Expired - Fee Related JP4255546B2 (en) | 1998-10-30 | 1998-10-30 | Manufacturing method of heat roller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4255546B2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04131227A (en) * | 1990-09-25 | 1992-05-01 | Showa Electric Wire & Cable Co Ltd | Manufacture of rubber roller covered with fluorine resin tube |
| JPH08185072A (en) * | 1994-12-28 | 1996-07-16 | Nissei Denki Kk | Production of heat roller |
| JPH10180874A (en) * | 1996-12-27 | 1998-07-07 | Canon Inc | Method for coating fluororesin tube and fixing member manufactured by the method |
-
1998
- 1998-10-30 JP JP32597498A patent/JP4255546B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04131227A (en) * | 1990-09-25 | 1992-05-01 | Showa Electric Wire & Cable Co Ltd | Manufacture of rubber roller covered with fluorine resin tube |
| JPH08185072A (en) * | 1994-12-28 | 1996-07-16 | Nissei Denki Kk | Production of heat roller |
| JPH10180874A (en) * | 1996-12-27 | 1998-07-07 | Canon Inc | Method for coating fluororesin tube and fixing member manufactured by the method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4255546B2 (en) | 2009-04-15 |
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