JP2705637B2 - Fixing device - Google Patents
Fixing deviceInfo
- Publication number
- JP2705637B2 JP2705637B2 JP7125450A JP12545095A JP2705637B2 JP 2705637 B2 JP2705637 B2 JP 2705637B2 JP 7125450 A JP7125450 A JP 7125450A JP 12545095 A JP12545095 A JP 12545095A JP 2705637 B2 JP2705637 B2 JP 2705637B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- vibration
- main body
- fixing device
- cylindrical main
- 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 - Fee Related
Links
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- Fixing For Electrophotography (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、電子写真式プリンタ，
ファクシミリ，複写機等の印刷装置における定着装置に
関する。BACKGROUND OF THE INVENTION The present invention relates to an electrophotographic printer,
The present invention relates to a fixing device in a printing device such as a facsimile and a copying machine.
【０００２】[0002]
【従来の技術】従来、この種の印刷装置におけるトナー
の定着は、加熱と圧力を同時に加える手法によって行わ
れており、例えば図５に示すように、感光体６０より用
紙６２上に転写された未定着トナー６４を、ヒータラン
プ６６を内蔵するヒートローラ６８とプレッシャーロー
ラ７０間に通し、ヒータランプ６６の熱エネルギーで加
熱すると共に圧接する構成が採用されている。2. Description of the Related Art Conventionally, the fixing of toner in a printing apparatus of this type has been performed by a method of simultaneously applying heat and pressure. For example, as shown in FIG. A configuration is adopted in which the unfixed toner 64 is passed between a heat roller 68 having a built-in heater lamp 66 and a pressure roller 70, heated by the heat energy of the heater lamp 66, and pressed against the heat.
【０００３】また、図６に示すように、一対のプレッシ
ャーローラ７２，７４のいずれか一方に超音波加振器７
６を設けて一方のプレッシャーローラ７２に超音波振動
を与え、圧接部に振動によるジュール熱を発生させて定
着する，所謂超音波定着方式も提案されている。As shown in FIG. 6, one of a pair of pressure rollers 72 and 74 is provided with an ultrasonic vibrator 7.
A so-called ultrasonic fixing method has also been proposed, in which ultrasonic vibration is applied to one of the pressure rollers 72 with the pressure roller 6 being provided, and Joule heat is generated by the vibration at the pressure contact portion to fix the pressure roller 72.
【０００４】更に又、図７に示すように、現像器７８に
よって感光体６０上に乗せられたトナー８０を、超音波
振動発生体としての転写定着部材８２と感光体６０との
間で圧接し、転写と定着を同時に行う超音波定着方式も
提案されている。Further, as shown in FIG. 7, a toner 80 placed on a photosensitive member 60 by a developing device 78 is pressed between a transfer fixing member 82 as an ultrasonic vibration generator and the photosensitive member 60. An ultrasonic fixing system for simultaneously performing transfer and fixing has also been proposed.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、前述し
たヒートローラ方式では、ヒータランプの熱移動が固体
中伝播であるため、ヒートローラ表面の温度分布にむら
が生じ易く、この結果、加熱の不均一による定着強度の
不足、用紙のしわやカールの発生という問題を有してい
た。However, in the above-described heat roller system, since the heat transfer of the heater lamp propagates through the solid, the temperature distribution on the surface of the heat roller tends to be uneven, resulting in uneven heating. Insufficient fixing strength and wrinkling and curling of the paper due to the above problems.
【０００６】また、トナーに直接振動を与える超音波定
着方式では、用紙の微振動によるトナーの飛散や定着像
のずれといった問題があり、更に、転写定着を同時に行
う超音波定着方式では振動が感光体に伝わるため、転写
以前における静電潜像の歪みという致命的な欠陥が生ず
る恐れが常に存在していた。In the ultrasonic fixing system in which the toner is directly vibrated, there are problems such as scattering of the toner and the displacement of the fixed image due to the minute vibration of the paper. There has always been a risk of causing a fatal defect such as distortion of an electrostatic latent image before transfer, because it is transmitted to the body.
【０００７】このように、従来例におけるヒータ熱を利
用した無振動定着方式と超音波定着方式では、いずれも
その特性に起因した副作用的弊害が派生するという不都
合があった。As described above, both the non-vibration fixing method using the heater heat and the ultrasonic fixing method in the related art have a disadvantage that side effects are caused due to their characteristics.
【０００８】[0008]
【発明の目的】本発明では、かかる従来例の有する不都
合を改善し、特に加熱むらと振動による弊害を回避して
安定した定着を成し得ると共に、これによって用紙等に
定着された画像品質の向上を図り得る定着装置を提供す
ることを、その目的とする。It is an object of the present invention to improve the inconvenience of the prior art, and in particular, to achieve a stable fixing by avoiding the adverse effects caused by uneven heating and vibration. It is an object of the present invention to provide a fixing device that can be improved.
【０００９】[0009]
【課題を解決するための手段】請求項１記載の発明で
は、感光体の下流側で用紙走行路に沿って配設されたヒ
ートローラと、このヒートローラに用紙を介して加圧当
接するプレッシャーローラとを備えた定着装置におい
て、ヒートローラを、筒状本体と、この筒状本体の両端
部に装備され内部を密封するダンパと、前記筒状本体内
に充填され振動により加熱される液体と、前記ダンパに
支持されて前記液体内に突設された微小振動発生部材と
により構成する。 According to the first aspect of the present invention, there is provided a heat roller disposed along a paper traveling path on the downstream side of a photoreceptor, and a pressure contacting the heat roller with pressure via a paper. In a fixing device including a roller, a heat roller, a cylindrical main body, dampers provided at both ends of the cylindrical main body to seal the inside, and a liquid filled in the cylindrical main body and heated by vibration. , it is supported by the damper that make up the the minute vibration generating member projecting from the said liquid.
【００１０】そして、前述した筒状本体内に、当該筒状
本体の回転と共に前記液体を撹拌する撹拌部材を設け
る、という構成を採っている。[0010] Then, a configuration is adopted in which a stirring member for stirring the liquid with the rotation of the cylindrical main body is provided in the above-mentioned cylindrical main body.
【００１１】請求項２記載の発明では、感光体の下流側
で用紙走行路に沿って配設されたヒートローラと、この
ヒートローラに用紙を介して加圧当接するプレッシャー
ローラとを備えた定着装置において、ヒートローラを、
筒状本体と、この筒状本体の両端部に装備され内部を密
封するダンパと、このダンパに両端部が支持された円筒
状の中空剛体部材とを備えた二重円筒構造とする。この
中空剛体部材と前述した筒状本体との間に振動により加
熱される液体を密封充填すると共に、前述した中空剛体
部材の内壁面に、当該中空剛体部材加熱用の複数の微小
振動発生部材を分散装備する、という構成を採ってい
る。これによって前述した目的を達成しようとするもの
である。According to a second aspect of the present invention, a fixing device includes a heat roller disposed downstream of a photoreceptor along a paper traveling path, and a pressure roller which presses and contacts this heat roller via a sheet. In the device, the heat roller
A double cylindrical structure including a cylindrical main body, dampers provided at both ends of the cylindrical main body to seal the inside, and a cylindrical hollow rigid member having both ends supported by the damper. With sealing filling the liquid to be heated by the vibration between the cylindrical body described above and the hollow rigid member, the inner wall surface of the hollow rigid member described above, a plurality of micro-vibration generating member of the hollow rigid member for heating It adopts a configuration that, to distribute instrumentation Bei the. This aims to achieve the above-mentioned object.
【００１２】[0012]
【作用】請求項１にかかる発明では、微小振動発生部材
が駆動されると、振動エネルギーが液体に伝播し、自由
な熱移動によって液体は均一温度に加熱される。この均
一温度が筒状本体に伝わり、筒状本体の表面もむら無く
均一に加熱される。微小振動発生部材の振動は振動吸収
部材並びに液体に吸収され、筒状本体へはほとんど伝わ
らない。[Action] In the invention that written in claim 1, the minute vibration generating member is driven, the vibration energy propagated to the liquid, is heated by the free heat transfer fluid is uniform temperature. This uniform temperature is transmitted to the cylindrical main body, and the surface of the cylindrical main body is also uniformly heated. The vibration of the minute vibration generating member is absorbed by the vibration absorbing member and the liquid, and is hardly transmitted to the cylindrical main body.
【００１３】そして、撹拌部材の動作で液体が撹拌さ
れ、液体全体における温度の均一化が迅速になされる。[0013] Then, the liquid is stirred at operation 撹拌部material, uniform temperature in the entire liquid is made quickly.
【００１４】請求項２にかかる発明では、微小振動発生
部材が駆動されると、剛体部材が振動し、この振動エネ
ルギにより当該が剛体部材が加熱されその熱は液体を介
して筒状本体に伝達され、これによって当該筒状本体が
加熱される。剛体部材の振動は振動吸収部材並びに液体
に吸収され、筒状本体へはほとんど伝わらない。[0014] In the invention that written in claim 2, the micro-vibration generating member is driven, the rigid member vibrates, energy vibration
The rigid body is heated by the lugi, and the heat passes through the liquid.
Is transmitted to the cylindrical main body, whereby the cylindrical main body is heated. The vibration of the rigid member is absorbed by the vibration absorbing member and the liquid, and is hardly transmitted to the cylindrical main body.
【００１５】[0015]
【実施例】以下、本発明の第１実施例を図１及び図３に
基づいて説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS.
【００１６】まず、図１に示すように、電子写真式プリ
ンタには、潜像を記録する記録媒体層を有し一定の回転
速度で回転する感光体２と、この感光体２の記録媒体層
に静電潜像を形成する潜像形成部４と、形成された静電
潜像にトナー層６を付着させて現像する現像器８と、転
写部１０および定着装置１２とを備えている。トナー層
６は転写部１０で用紙１６にトナー像１４として転写さ
れた後，定着装置１２へ送られて定着されるようになっ
ている。First, as shown in FIG. 1 , an electrophotographic printer includes a photosensitive member 2 having a recording medium layer for recording a latent image and rotating at a constant rotational speed, and a recording medium layer of the photosensitive member 2. A latent image forming unit 4 for forming an electrostatic latent image on the image forming apparatus, a developing unit 8 for attaching and developing the toner layer 6 to the formed electrostatic latent image, a transfer unit 10 and a fixing device 12. The toner layer 6 is transferred to a paper 16 as a toner image 14 by a transfer unit 10 and then sent to a fixing device 12 to be fixed.
【００１７】定着装置１２は、トナー定着用加熱体１８
と、このヒートローラ１８に圧接されるプレッシャーロ
ーラ２０とを備えて構成されている。The fixing device 12 includes a heating element 18 for fixing toner.
And a pressure roller 20 pressed against the heat roller 18.
【００１８】ヒートローラ１８は、図２に示すように、
ローラ形状をなす筒状本体２２と、この筒状本体２２内
に充填された水や油等の液体２４と、筒状本体２２の両
端を密閉する振動吸収部材としてのダンパ２６，２６と
を備えている。更に、一方の側のダンパ２６には、軸受
２８を介して液体２４内に入り込んだ状態で微小振動発
生部材３０が装備されており、又筒状本体２２は、定着
装置１２（図１参照）メインフレーム（図示せず）に軸
受３２を介して両端が支持されている。この軸受３２相
互間の距離は、用紙１６の幅よりも大きく設定されてい
る。The heat roller 18 is, as shown in FIG.
A cylindrical main body 22 having a roller shape, a liquid 24 such as water or oil filled in the cylindrical main body 22, and dampers 26, 26 as vibration absorbing members for sealing both ends of the cylindrical main body 22 are provided. ing. Further, the damper 26 on one side, via the bearings 28 are small vibrations generator 30 is equipped with a state that has entered into the liquid 24, and the tubular body 22, the constant Chakusochi 12 (see FIG. 1 ) Both ends are supported by a main frame (not shown) via bearings 32. The distance between the bearings 32 is set to be larger than the width of the paper 16.
【００１９】また、微小振動発生部材３０は、圧電超音
波振動子（または電磁振動子）からなり、超音波用信号
発信器３４に付勢されて作動し得るようになっている。The micro-vibration generating member 30 is composed of a piezoelectric ultrasonic vibrator (or an electromagnetic vibrator), and can be operated by being urged by an ultrasonic signal transmitter 34.
【００２０】そして、超音波用信号発信器３４により交
流電圧が印加されると、微小振動発生部材３０は超音波
振動を起こし、この振動エネルギーが液体２４に伝わっ
て液体２４は加熱される。ここで、超音波信号発信器３
４の最適振動数および振幅はトナーの種類および液体２
４の種類により異なる。When an alternating voltage is applied by the ultrasonic signal transmitter 34, the minute vibration generating member 30 generates ultrasonic vibration, and the vibration energy is transmitted to the liquid 24, and the liquid 24 is heated. Here, the ultrasonic signal transmitter 3
The optimum frequency and amplitude of No. 4 are the type of toner and liquid 2
It depends on the four types.
【００２１】固体に比べて液体中における熱移動の自由
度は大きいので、振動による撹拌作用とも相まって液体
２４の温度は迅速に均一化される。これによって、筒状
本体２２の表面温度もむらの無い均一状態となる。Since the degree of freedom of the heat transfer in the liquid is larger than that of the solid, the temperature of the liquid 24 is quickly uniformed in combination with the stirring action by vibration. As a result, the surface temperature of the cylindrical main body 22 becomes uniform without any unevenness.
【００２２】また、微小振動発生部材３０の振動はダン
パ２６並びに液体２４によって吸収されるので、筒状本
体２２及び図示しない定着装置のメインフレームにはほ
とんど伝わらない。Since the vibration of the minute vibration generating member 30 is absorbed by the damper 26 and the liquid 24, the vibration is hardly transmitted to the cylindrical main body 22 and the main frame of the fixing device (not shown).
【００２３】従って、定着装置１２にトナー像１４が転
写された用紙１６が搬入されると、用紙１６は、むら無
く加熱されると共に振動のない状態で圧接され、これに
よって従来における定着強度の不足、用紙のしわやカー
ルの発生、用紙の微振動によるトナーの飛散や定着像の
ずれといった不都合を伴うこと無く、円滑に且つ確実に
定着される。Accordingly, when the paper 16 on which the toner image 14 has been transferred is carried into the fixing device 12, the paper 16 is uniformly heated and pressed against the vibration without vibration. The toner can be fixed smoothly and reliably without causing problems such as generation of wrinkles and curls of the paper, scattering of toner and displacement of a fixed image due to micro vibration of the paper.
【００２４】また、感光体２に圧接して転写定着を同時
に行う構成に適用する場合においても、振動が無いので
静電潜像の歪みという問題も生じない。Further, even when the present invention is applied to a configuration in which transfer and fixing are simultaneously performed while being pressed against the photosensitive member 2, the problem of distortion of the electrostatic latent image does not occur because there is no vibration.
【００２５】上記、筒状本体２２の内部には、図３に示
すように液体２４を強制循環せしめ る撹拌部材３８が装
備されている。 As shown in FIG.
Stirring member 38 GaSo of Ru allowed forced circulation of liquid 24 in Suyo
Is provided.
【００２６】この図３に示す撹拌部材３８は、脚部４０
ａを介して筒状本体２２内に固定される円筒４０と、こ
の円筒４０内に固定装備された螺旋羽根部４２とを備え
た構成となっている。The stirring member 38 shown in FIG.
The cylinder 40 is fixed to the inside of the cylindrical main body 22 via a, and the spiral blade portion 42 fixed to the inside of the cylinder 40 is provided.
【００２７】そして、例えば図示しない駆動用モータお
よび駆動伝達ギアに付勢されて筒状本体２２が回転する
と、筒状本体２２内部の液体２４は撹拌部材３８と液体
２４の重力とが作用して強制的に矢印のように循環され
る。そして、液体２４の循環方向は、微小振動発生部材
３０によって加熱された液体２４が、加熱直後円筒４０
の外周を矢印方向に流動するように螺旋羽根部４２の向
きを定めてある。When the cylindrical body 22 is rotated by being urged by, for example, a drive motor and a drive transmission gear (not shown), the liquid 24 inside the cylindrical body 22 is acted upon by the stirring member 38 and the gravity of the liquid 24. It is forced to circulate like an arrow. The circulation direction of the liquid 24 is such that the liquid 24 heated by the minute vibration generating member 30 is
The direction of the spiral blade portion 42 is determined so that the outer periphery of the spiral blade portion 42 flows in the direction of the arrow.
【００２８】このため、本実施例では、撹拌部材３８に
よる液体２４の強制循環によって、当該液体２４全体の
温度均一化をより一層確実且つ迅速に成し得るという利
点がある。For this reason , in this embodiment , the stirring member 38
Due to the forced circulation of the liquid 24, there is an advantage that the temperature of the entire liquid 24 can be uniformed more reliably and quickly.
【００２９】次に、本発明の第２実施例を図４に基づい
て説明する。Next, a second embodiment of the present invention will be described with reference to FIG.
【００３０】この第２実施例に示すヒートローラ４４
は、ローラ形状をなす筒状本体４６と、この筒状本体４
６内に充填された水や油等の液体４７と、筒状本体４６
の両端を密閉する振動吸収部材としてのダンパ４８，４
８と、両方のダンパ４８に軸受５０を介して支持される
と共に液体４７内に設けられた筒状の中空剛体部材５２
（例えば金属類）とを備えている。この中空剛体部材５
２内には、更に長手方向に間隔をおいて複数の微小振動
発生部材５４が設置されている。この各微小振動発生部
材５４は超音波信号発信器５６に接続されている。The heat roller 44 shown in the second embodiment
Is a roller-shaped cylindrical main body 46, and the cylindrical main body 4
6 and a liquid 47 such as water or oil filled in
Dampers 48, 4 as vibration absorbing members for sealing both ends of the
And a cylindrical hollow rigid member 52 supported by both dampers 48 via bearings 50 and provided in the liquid 47.
(For example, metals). This hollow rigid member 5
Inside 2, a plurality of minute vibration generating members 54 are further arranged at intervals in the longitudinal direction. Each of the minute vibration generating members 54 is connected to an ultrasonic signal transmitter 56.
【００３１】そして、超音波信号発信器５６により各微
小振動発生部材５４に交流電圧が印加されると、その振
動エネルギによって中空剛体部材５２が加熱される。そ
して、この加熱された中空剛体部材５２の熱が液体４７
に同時に伝わって液体４７が加熱される。When an AC voltage is applied to each of the minute vibration generating members 54 by the ultrasonic signal transmitter 56, the hollow rigid member 52 is heated by the vibration energy. Then, the heat of the heated hollow rigid member 52 is
And the liquid 47 is heated at the same time.
【００３２】超音波信号発信器５６の最適振動数および
振幅は、中空剛体部材５２の種類，液体４７の種類，ト
ナーの種類等により異なる。その他の構成は、前述した
図３の第１実施例と同一となっている。The optimum frequency and amplitude of the ultrasonic signal transmitter 56 differ depending on the type of the hollow rigid member 52, the type of the liquid 47, the type of the toner, and the like. Other configurations are the same as those of the first embodiment shown in FIG.
【００３３】この第３実施例においても上記各例と同様
に、均一加熱且つ無振動にて良好な加熱定着機能が発揮
される。Also in the third embodiment, as in the above-mentioned embodiments, a good heat fixing function can be exhibited with uniform heating and without vibration.
【００３４】又、各構成要素は例示のものに限定される
趣旨ではなく、均一加熱且つ無振動による定着機能を満
足する範囲で適宜に設計変更可能である。Further, each component is not limited to the illustrated one, and the design can be appropriately changed within a range satisfying the fixing function by uniform heating and no vibration.
【００３５】[0035]
【発明の効果】以上のように、請求項１記載の上記発明
によると、加熱面の直接振動を伴うことなくヒートロー
ラ当該加熱面の温度均一化を図ることができるので、定
着強度の不足，用紙のしわやカールの発生，用紙の微振
動によるトナーの飛散，定着像のずれといった問題をよ
り有効に回避することができ、同時に、撹拌部材の作用
により液体が強制循環されるので、加熱面の温度均一化
をより一層確実且つ迅速に達成することができ、これに
よって印字品質の向上を図り得るという従来にない優れ
た定着装置を提供することができる。As described above, the first aspect of the present invention is as described above.
According to the method , since the temperature of the heating surface of the heat roller can be made uniform without direct vibration of the heating surface, insufficient fixing strength, wrinkling and curling of the paper, scattering of toner due to fine vibration of the paper, Problems such as deviation of the fixed image can be more effectively avoided, and at the same time, since the liquid is forcibly circulated by the action of the stirring member, the temperature uniformity of the heating surface can be more reliably and quickly achieved. As a result, it is possible to provide an unprecedented excellent fixing device capable of improving print quality.
【００３６】更に、請求項２記載の発明では、微小振動
発生部材の振動によって分散加熱された中空剛体部材に
よって周囲の液体を加熱すると共に当該液体を介して筒
状本体を加熱するようにしたので、加熱面の温度均一化
をより一層確実に且つ迅速に成し得ることができる。 Further, according to the second aspect of the present invention, the minute vibration
A hollow rigid member that is dispersed and heated by the vibration of the generating member
Therefore, the surrounding liquid is heated and the cylinder is
Heating the main body allows for uniform temperature on the heating surface
Can be achieved more reliably and quickly.
【図１】本発明における定着装置を含む印字出力装置全
体を示す概略構成図である。FIG. 1 shows the entire print output device including a fixing device according to the present invention.
It is a schematic block diagram which shows a body .
【図２】図１内に開示した定着装置の一部省略した状態
の具体例を示す説明図である。FIG. 2 is an explanatory diagram showing a specific example of a state where a part of the fixing device disclosed in FIG . 1 is omitted.
【図３】図１内に開示した定着装置のヒートローラ部分
の二重構造部分を示す一部省略した拡大断面図である。FIG. 3 is a heat roller portion of the fixing device disclosed in FIG .
FIG. 3 is an enlarged cross-sectional view partially showing the double structure portion of FIG.
【図４】第２実施例におけるヒートローラ部分の一部省
略した拡大断面図である。FIG. 4 is an enlarged cross-sectional view of a heat roller according to a second embodiment with a part of the heat roller omitted;
【図５】従来例における定着装置の一例を示す説明図で
ある。FIG. 5 is an explanatory diagram illustrating an example of a fixing device in a conventional example.
【図６】従来例における他の定着装置の一例を示す説明
図である。FIG. 6 is an explanatory diagram illustrating an example of another fixing device in a conventional example.
【図７】従来例における更に他の定着装置の一例を示す
説明図である。FIG. 7 is an explanatory diagram showing an example of still another fixing device in a conventional example.
２ 感光体 １２ 定着装置 １６ 用紙 １８ ヒートローラ ２０ プレッシャーローラ ２２，４６ 筒状本体 ２６，４８ ダンパ（振動吸収部材） ２４，４７ 液体 ３０，５４ 微小振動発生部材 ３８ 撹拌部材 ５２ 中空剛体部材 2 Photoconductor 12 Fixing device 16 Paper 18 Heat roller 20 Pressure roller 22, 46 Cylindrical main body 26, 48 Damper (vibration absorbing member) 24, 47 Liquid 30, 54 Micro vibration generating member 38 Stirring member 52 Hollow rigid member
Claims (2)
設されたヒートローラと、このヒートローラに用紙を介
して加圧当接するプレッシャーローラとを備えた定着装
置において、 前記ヒートローラを、筒状本体と、この筒状本体の両端
部に装備され内部を密封するダンパと、前記筒状本体内
に充填され振動により加熱される液体と、前記ダンパに
支持されて前記液体内に突設された微小振動発生部材と
により構成し、 前記筒状本体内に、当該筒状本体の回転
と共に前記液体を撹拌する撹拌部材を装備したことを特
徴とする定着装置。1. A fixing device comprising: a heat roller disposed along a paper traveling path downstream of a photoreceptor; and a pressure roller which presses and contacts this heat roller via a sheet. A cylindrical main body, dampers provided at both ends of the cylindrical main body to seal the inside, a liquid filled in the cylindrical main body and heated by vibration, and a liquid supported by the damper and in the liquid. constituted by a micro-vibration generating member which projects, in the cylindrical body, the rotation of the cylindrical body
And a stirring member for stirring the liquid .
設されたヒートローラと、このヒートローラに用紙を介
して加圧当接するプレッシャーローラとを備えた定着装
置において、 前記ヒートローラを、筒状本体と、この筒状本体の両端
部に装備され内部を密封するダンパと、このダンパに両
端部が支持された円筒状の中空剛体部材と、この中空剛
体部材と前述した筒状本体との間に密封充填され振動に
より加熱される液体とを備えた二重円筒構造とすると共
に、 前記中空剛体部材の内壁面に、当該中空剛体部材加熱用
の複数の微小振動発生部材を複数装備したことを特徴と
する定着装置。2. A fixing device comprising: a heat roller disposed along a paper traveling path downstream of a photoreceptor; and a pressure roller which presses and contacts this heat roller via a sheet. and a cylindrical main body, a damper to seal the interior is equipped at both ends of the cylindrical body, the aforementioned cylindrical hollow rigid member having both ends supported on the damper, a hollow rigid member this tubular with a double cylinder structure and a liquid to be heated by the sealed filled vibration between Jo body, the inner wall surface of the hollow rigid member, a plurality of micro-vibration generating member of the hollow rigid member for heating A fixing device comprising a plurality of devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7125450A JP2705637B2 (en) | 1995-05-24 | 1995-05-24 | Fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7125450A JP2705637B2 (en) | 1995-05-24 | 1995-05-24 | Fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08320625A JPH08320625A (en) | 1996-12-03 |
| JP2705637B2 true JP2705637B2 (en) | 1998-01-28 |
Family
ID=14910394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7125450A Expired - Fee Related JP2705637B2 (en) | 1995-05-24 | 1995-05-24 | Fixing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2705637B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU1349699A (en) * | 1998-11-25 | 2000-06-13 | Indigo N.V. | Fuser and intermediate transfer drums |
| DE60041158D1 (en) * | 2000-10-13 | 2009-01-29 | Hewlett Packard Indigo Bv | Fixing and / or intermediate transfer drum |
| KR100445007B1 (en) * | 2002-10-22 | 2004-08-21 | 삼성전자주식회사 | Fusing device of electrophotographic image forming apparatus |
| JPWO2005003865A1 (en) * | 2003-07-01 | 2006-08-17 | 松下電器産業株式会社 | Heat roll and fixing device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56119161A (en) * | 1980-02-26 | 1981-09-18 | Canon Inc | Heat roller fixing device |
| JPS5946927B2 (en) * | 1981-12-16 | 1984-11-15 | 株式会社目黒研究所 | antiallergic agent |
| JPS6036663U (en) * | 1983-08-17 | 1985-03-13 | 富士ゼロックス株式会社 | Fixing device of dry type electrophotographic copying machine |
| JPH03293691A (en) * | 1990-04-12 | 1991-12-25 | Ricoh Co Ltd | Fixing device for electrophotographic device |
-
1995
- 1995-05-24 JP JP7125450A patent/JP2705637B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08320625A (en) | 1996-12-03 |
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