JPS6161663A - Mold release agent coating apparatus - Google Patents
Mold release agent coating apparatusInfo
- Publication number
- JPS6161663A JPS6161663A JP18302484A JP18302484A JPS6161663A JP S6161663 A JPS6161663 A JP S6161663A JP 18302484 A JP18302484 A JP 18302484A JP 18302484 A JP18302484 A JP 18302484A JP S6161663 A JPS6161663 A JP S6161663A
- Authority
- JP
- Japan
- Prior art keywords
- release agent
- mold release
- porous body
- impregnated
- fluororesin
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
- G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
- G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
- G03G15/2017—Structural details of the fixing unit in general, e.g. cooling means, heat shielding means
- G03G15/2025—Structural details of the fixing unit in general, e.g. cooling means, heat shielding means with special means for lubricating and/or cleaning the fixing unit, e.g. applying offset preventing fluid
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/20—Details of the fixing device or porcess
- G03G2215/2093—Release agent handling devices
- G03G2215/2096—Release agent handling devices using porous fluoropolymers for wicking the release agent
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fixing For Electrophotography (AREA)
- Coating Apparatus (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は例えばプレインペーパコピ（Ｉ’１ａｉｎ Ｐ
ａｐｅｒＣｏｐｙ）（ＰＰＣ）複写機、ファクシミリ等
の定着ローラに離型剤を塗布する装置に関するものであ
る。Detailed Description of the Invention (Industrial Application Field) The present invention is applicable to, for example, plain paper copy (I'1ain P
The present invention relates to an apparatus for applying a release agent to a fixing roller of a copying machine, facsimile machine, etc.
（従来技術）
ｐｒｅ複写機等の定着装置の定着ローラに、トナーの付
着や紙の巻き付きを防止するため離型剤（通常はシリコ
ーンオイルが用いられる）を塗布するが、この離型剤を
塗布する手段として第５図の様に耐熱フェルトに離型剤
を含浸させたものや、本願発明者らが先に出願したよう
に４弗化エチレン樹脂多孔質チユーブの中に離型剤を封
入した第６図のような離型剤塗布装置が発明されている
。(Prior art) A release agent (usually silicone oil is used) is applied to the fixing roller of a fixing device such as a pre-copying machine in order to prevent toner from adhering to it and paper from wrapping around. As a means to do this, heat-resistant felt is impregnated with a mold release agent as shown in Figure 5, or a mold release agent is sealed in a porous tube of tetrafluoroethylene resin as previously filed by the inventors of the present application. A release agent coating device as shown in FIG. 6 has been invented.
この場合いずれも使い捨てタイプとして使用されている
。In this case, both are used as disposable types.
なお第５．６図中（１）は加熱定着ローラ、（２）は加
熱定着ローラ、（３）はコピ紙等の複写材、（４）はト
ナー、（５）はヒータ、（６）は剥離爪、（７）は離型
剤含浸フェルト、（１のは四弗化エチレン樹脂多孔質チ
ューブ、（１０′）は多孔質チューブの多孔の孔を閉塞
する閉孔材料層、（１１）は支持板、（１２）は離型剤
を示している。In Figure 5.6, (1) is a heat fixing roller, (2) is a heat fixing roller, (3) is a copying material such as copy paper, (4) is a toner, (5) is a heater, and (6) is a heat fixing roller. Peeling claw, (7) is felt impregnated with mold release agent, (1 is porous tetrafluoroethylene resin tube, (10') is a closed pore material layer that closes the pores of the porous tube, (11) is Support plate (12) indicates a mold release agent.
（発明が解決しようとする問題点） しかし乍ら上記に於いては下記のような問題点がある。(Problem to be solved by the invention) However, the above method has the following problems.
■離型剤含浸耐熱フェルトタイプ（第５図）■寿命が短
い（約１万枚）。■Heat-resistant felt type impregnated with mold release agent (Fig. 5) ■Short life (approximately 10,000 sheets).
トナーや紙粉により塗布面が目詰りし、オイル塗布がな
されなくなったり、ローラ面を傷つけたりする。The application surface becomes clogged with toner and paper dust, which may prevent oil from being applied or damage the roller surface.
■初期のオイル塗布量が多く、コピ紙にオイルしみ等が
発生する。■The initial amount of oil applied is large, causing oil stains on the copy paper.
＠多孔質チューブタイプ（第６図） Ｑ形状、構造が複雑になる。@Porous tube type (Fig. 6) Q-shape and structure become complicated.
周辺のマスキングや両端のシール、空気穴等を必要とす
る。Requires peripheral masking, seals on both ends, air holes, etc.
■輸送、保管時さらに複写機セット後放置状態でのオイ
ルの吐出がある。■Oil may be discharged during transportation and storage, and even when the copying machine is left unattended after being set up.
上記に鑑み本発明はこれら問題点を解消するため開発さ
れたものである。In view of the above, the present invention was developed to solve these problems.
（問題点を解決するための手段）
即ち本発明に於いては内部充実即ち中空でない弗素樹脂
多孔質体に離型剤を含浸させたものを離型剤の塗布手段
として用いるものである。(Means for Solving the Problems) That is, in the present invention, a fluororesin porous body with a solid internal structure, that is, a non-hollow material impregnated with a mold release agent, is used as a means for applying the mold release agent.
（作用）
上記により簡易、均一に離型剤を塗布出来るようにした
ものである。(Function) As described above, the mold release agent can be applied easily and uniformly.
以下例示の図面に就いて本発明の詳細な説明する。前述
第５図の離型剤含浸耐熱フェルト（７）に代え本発明に
於いては以下の様にする。The present invention will be described in detail below with reference to the illustrative drawings. In place of the release agent-impregnated heat-resistant felt (7) shown in FIG. 5, the present invention uses the following.
内部充実即ち中空でない４弗化工チレン樹脂多孔質体（
住友電工製：商品名ボアフロン）等弗素樹脂多孔質体（
２０）を第１図のような金属あるいは耐熱性のプラスチ
ック（ＰＰＳ（ポリフェニレンサルファイド）など）か
ら成る支持部材たるノ・ウジング（２１）にセットし、
弗素樹脂多孔質体にはシリコーンオイル等の離型剤を含
浸させる。この場合使用時の弗素樹脂多孔質体の収縮を
防ぐために両端はポルｌ−（２２）等で固定しておく。A porous body of 4-fluoroethylene resin that is not hollow (
Manufactured by Sumitomo Electric Industries: Product name Boa-Flon) and other fluororesin porous bodies (
20) is set in a support member (21) made of metal or heat-resistant plastic (PPS (polyphenylene sulfide), etc.) as shown in Fig. 1,
The porous fluororesin body is impregnated with a mold release agent such as silicone oil. In this case, in order to prevent the porous fluororesin material from shrinking during use, both ends are fixed with pins (22) or the like.
なお弗素樹脂多孔質体への離型剤の含浸はハウジングセ
ット前に行なってもよい。Note that the porous fluororesin body may be impregnated with a mold release agent before the housing is set.
弗素樹脂多孔質体は押出時のダイスの形状により第２図
（ａｌ、（ｂｌ、（Ｃ１のような色々な形状がとれるが
、多孔度としては２５〜８５チがよい。The porous fluororesin material can take various shapes such as (al, bl, and (C1) in FIG. 2 depending on the shape of the die during extrusion, but the porosity is preferably 25 to 85 inches.
またシリコーンオイルの粘度は塗布量に応じてｓ ｏ
ｏ Ｃ，５ｅ〜１００．０００ Ｃ，Ｓ、 ＜らいまで
自由に選択できるが好ましくは１０００ Ｃ，５，〜１
００００Ｃ，５，が良い。Also, the viscosity of silicone oil varies depending on the amount applied.
o C,5e~100.000 C,S, can be freely selected up to < leprosy, but preferably 1000 C,5,~1
0000C,5, is good.
オイルの含浸方法としてはオイル中に直接つけておくだ
けでもよいが、昇温あるいは真空含浸により更に早く含
浸させることが出来る。As for the method of impregnating with oil, it is possible to simply immerse it directly in oil, but it is possible to impregnate it more quickly by increasing the temperature or by vacuum impregnation.
（実施例） 以下に上記本発明の理解を助けるため実施例を述べる。(Example) Examples will be described below to help understand the above invention.
特公昭４２−１３＃０号、特公昭５７−１５２９５号の
製造法にて製作した幅（Ｗ） １２ ｒｒｒｍ、厚さく
Ｌ）７ｍｍ、多孔度が８０％の４弗化工チレン樹脂多孔
質体を長さくＬ）３０ａａに切断しく第１図参照）、粘
度が３０００Ｃ，Ｓ、のシリコーンオイル（信越化学袋
：ＫＦ−９６）を約１５ｇ含浸させ第１図のように両端
を固定して第５図のように定着装置にセットした。A 4-fluorochemically modified tyrene resin porous body with a width (W) of 12 rrrm, thickness L) of 7 mm and a porosity of 80% was manufactured using the manufacturing method of Special Publication No. 42-13 #0 and No. 57-15295. Cut into length L) 30aa (see Figure 1), impregnate it with about 15g of silicone oil (Shin-Etsu Kagaku Bag: KF-96) with a viscosity of 3000C, S, and fix both ends as shown in Figure 1. Set it on the fixing device as shown in the figure.
第３図中（１５）は第１図の塗布装置である。なおこの
定着ローラの回転数はＡ４用紙で１２枚／分に相当する
。3 (15) is the coating device shown in FIG. 1. Note that the rotation speed of this fixing roller corresponds to 12 sheets/minute of A4 paper.
この離型剤塗布装置のコピ枚数５０００枚毎のオイル塗
布量は第４図の通りであり３−＃Ｐ万枚までかなり均一
なオイル塗布量が得られた。また塗布面は定着ローラ上
にオフセットしたトナーや紙粉による目詰りもなく簡単
に清掃により除去できた。The amount of oil applied every 5,000 copies by this release agent applicator is shown in FIG. 4, and a fairly uniform amount of oil was obtained up to 3-#P million copies. Furthermore, the coated surface was not clogged with toner or paper dust offset on the fixing roller, and could be easily removed by cleaning.
また３万枚でのオイル消費量は約５ｇと非常に少なかっ
た、これは経済的である。Also, the oil consumption for 30,000 sheets was very small at about 5g, which is economical.
なお第３図中（８）は板ばね、（９）はヒータカバー、
（１３）はコピ紙ガイド板であり、その他前述第５図と
同一符号は同一部位を示している。In Figure 3, (8) is the leaf spring, (9) is the heater cover,
(13) is a copy paper guide plate, and the same reference numerals as in FIG. 5 above indicate the same parts.
（発明の効果） 以上の様な本発明によると下記の様な効果を有する。(Effect of the invention) The present invention as described above has the following effects.
■オイルの含浸さえ行なえば半永久的に使用できる。即
ち寿命が長い。■Can be used semi-permanently as long as it is impregnated with oil. In other words, it has a long lifespan.
■初期から均一少量のオイル塗布量が得られる。■A small amount of oil can be applied evenly from the beginning.
従ってコピ紙へのオイルしみがない。Therefore, there are no oil stains on the copy paper.
■形状が簡単である。■The shape is simple.
■弗素樹脂の多孔にオイルが毛細管現象により保持され
ている為輸送、保管、実使用時の放置状態でのオイルの
だれがない。■Since oil is retained in the pores of the fluororesin by capillary action, there is no dripping of oil during transportation, storage, or when left unattended during actual use.
第１図は本発明の離型剤塗布装置の下面図（図（ａ））
と側面図（図（ｂ））と正面図（Ｃ１、第２図（ａｌ、
（ｂｌ（Ｃ１は共に本発明の離型剤塗布装置に用いる充
実弗素樹脂多孔質体の断面形状図、第３図は本発明の離
型剤塗布装置を用いた定着装置の側面図、第４図は本発
明の離型剤塗布装置の実施例を示すコピ枚数とオイル塗
布量の関係図を夫々例示している。
なお第５．６図は共に従来の離型剤塗布装置の説明図で
、第５図は定着装置に組み込んだ塗布装置の側面図、第
６図は他の例の塗布装置だけの正面図（図（ａ））と断
面図（図（ｂ））を夫々例示している。
（１）・・・加熱定着ローラ、（２）・・・加圧弾吐ロ
ーラ、（３）・・・コピ紙、（４）・・・トナー、（５
）・・・ヒータ、（６）・・・剥離爪、（７）・・・離
型剤含浸耐熱フェルト、（８）・・・板はね、（９）・
・・ヒータカバー、（１０）・・・弗素樹脂多孔質チュ
ーブ、（１３）・・・コピ紙ガイド板、
（１５）・・・離型剤含浸の内部充実弗素樹脂多孔質体
からなる離型剤塗布装置、
（２０）・・・内部充実弗素樹脂多孔質体、（２１）・
・・支持部材（ハウジング）、（２２）・・・ボルト
第１図
（ａ）
（ｂ） （ｃ）
オ ２ 図
（ａ） （ｂ） （Ｃ）
○ロワ
第３図
コし０＃□
／＋５図
オ ６ 図
（ａ） （ｂ）
１１完２
手続補正書
昭和５９年１０７５１５日
特許庁長官志賀 半数 ・（
１、事件の表示
昭和５９ 年 特許 Ｖ第１８３９２４号４ 発明
の名称 離型剤ｆタミ布装置ふ 補正をする者
事件との関係 特許出願人
４、代理人
５、 補正命令の日付 自 発
６−７、補正の対象
１）明細書中第５買上から１２行目
「特公昭５７−１５２９５号」を「特公昭５８−１５２
９５号」に′訂正する。Figure 1 is a bottom view of the release agent coating device of the present invention (Figure (a)).
and side view (Figure (b)) and front view (C1, Figure 2 (al,
(bl (C1 is a cross-sectional diagram of the solid fluororesin porous body used in the mold release agent coating device of the present invention, FIG. 3 is a side view of a fixing device using the mold release agent coating device of the present invention, and FIG. The figures each illustrate a relationship diagram between the number of copies and the amount of oil applied, showing an embodiment of the release agent applicator of the present invention. Figures 5 and 6 are both explanatory diagrams of the conventional release agent applicator. , FIG. 5 is a side view of the coating device incorporated into the fixing device, and FIG. 6 is a front view (Figure (a)) and a cross-sectional view (Figure (b)) of only another example of the coating device. (1)...Heat fixing roller, (2)...Pressure bullet discharge roller, (3)...Copy paper, (4)...Toner, (5
)... Heater, (6)... Peeling claw, (7)... Release agent impregnated heat resistant felt, (8)... Board spring, (9)...
... Heater cover, (10) ... Fluororesin porous tube, (13) ... Copy paper guide plate, (15) ... Mold release made of internally filled fluororesin porous body impregnated with mold release agent agent coating device, (20)... internally filled fluororesin porous body, (21)...
...Support member (housing), (22)...Bolt Fig. 1 (a) (b) (c) O 2 Fig. (a) (b) (C) ○Lower Fig. 3 Koshi 0#□ / +5 Figure O 6 Figure (a) (b) 11 Complete 2 Procedural amendment dated 1982, 107,515 Shiga, Commissioner of the Patent Office Half of 1. Indication of the case 1982 Patent V 183924 No. 4 Name of the invention Mold release agent f Tami Cloth Device Relationship between the person making the amendment and the case Patent applicant 4, agent 5, date of amendment order Patent application 6-7, subject of amendment 1) 12th line from the 5th purchase in the specification "Special Publications Publication No. 57 -15295” to “Special Public Interest Publication No. 158-152
No. 95” is corrected.
Claims (2)
加圧のローラの間を通すことによりトナー像を複写材に
加熱定着する定着装置に於いて、内部充実即ち中空でな
い弗素樹脂多孔質体に離型剤を含浸させ支持部材に固定
して弗素樹脂多孔質体をローラに当接させローラに離型
剤を供給するようにしたことを特徴とする離型剤塗布装
置。(1) In a fixing device that heats and fixes a toner image on a copying material by passing the copying material on which a toner image has been formed between fixing and pressure rollers that are in pressure contact with each other, the fluororesin porous material is filled internally, that is, it is not hollow. 1. A mold release agent application device, characterized in that the mold release agent is supplied to the roller by impregnating a mold release agent into a mass body and fixing it to a support member, and bringing the fluororesin porous body into contact with a roller.
％で、多孔質体に含浸させる離型剤の粘度が５００〜１
００，０００ｃ．ｓ．である特許請求の範囲第（１）項
記載の離型剤塗布装置。(2) The internally filled fluororesin porous body has a porosity of 25 to 85
%, the viscosity of the release agent impregnated into the porous body is 500 to 1
00,000c. s. A mold release agent coating device according to claim (1).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18302484A JPS6161663A (en) | 1984-08-31 | 1984-08-31 | Mold release agent coating apparatus |
| EP85109229A EP0174474A1 (en) | 1984-08-31 | 1985-07-23 | Release agent applicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18302484A JPS6161663A (en) | 1984-08-31 | 1984-08-31 | Mold release agent coating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6161663A true JPS6161663A (en) | 1986-03-29 |
Family
ID=16128402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18302484A Pending JPS6161663A (en) | 1984-08-31 | 1984-08-31 | Mold release agent coating apparatus |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0174474A1 (en) |
| JP (1) | JPS6161663A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01131547A (en) * | 1987-08-24 | 1989-05-24 | Fuji Photo Film Co Ltd | Process for forming direct positive picture image |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3769505D1 (en) * | 1986-04-11 | 1991-05-29 | Siemens Ag | DEVICE FOR HEAT-FIXING TONER IMAGES FROM THERMOPLASTIC TONER MATERIAL. |
| GB9122750D0 (en) * | 1991-10-26 | 1991-12-11 | Gore W L & Ass Uk | Oil transfer component |
| US5478423A (en) * | 1993-09-28 | 1995-12-26 | W. L. Gore & Associates, Inc. | Method for making a printer release agent supply wick |
| EP0661610B1 (en) * | 1993-12-29 | 1999-06-09 | Fuji Xerox Co., Ltd. | Fixing apparatus for image forming apparatus |
| GB9400934D0 (en) * | 1994-01-19 | 1994-03-16 | Gore W L & Ass Uk | Layered oil transfer component |
| DE69604663T2 (en) * | 1995-06-07 | 2000-05-31 | Gore W L & Ass Uk | POROUS COMPOSITE |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4359963A (en) * | 1979-04-28 | 1982-11-23 | Canon Kabushiki Kaisha | Fixing device |
| DE3116599C2 (en) * | 1981-02-19 | 1983-04-21 | Sumitomo Electric Industries, Ltd., Osaka | Applicator for applying a liquid release agent to the heated fixing roller of a thermal fuser for toner images |
-
1984
- 1984-08-31 JP JP18302484A patent/JPS6161663A/en active Pending
-
1985
- 1985-07-23 EP EP85109229A patent/EP0174474A1/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01131547A (en) * | 1987-08-24 | 1989-05-24 | Fuji Photo Film Co Ltd | Process for forming direct positive picture image |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0174474A1 (en) | 1986-03-19 |
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