JP2021015309A5 - - Google Patents
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- JP2021015309A5 JP2021015309A5 JP2020188937A JP2020188937A JP2021015309A5 JP 2021015309 A5 JP2021015309 A5 JP 2021015309A5 JP 2020188937 A JP2020188937 A JP 2020188937A JP 2020188937 A JP2020188937 A JP 2020188937A JP 2021015309 A5 JP2021015309 A5 JP 2021015309A5
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- fixing device
- halogen heater
- longitudinal
- metal foil
- reflective member
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- 229910052736 halogen Inorganic materials 0.000 claims description 25
- 150000002367 halogens Chemical class 0.000 claims description 25
- 239000011888 foil Substances 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 20
- 239000011521 glass Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims 1
- 229910052750 molybdenum Inorganic materials 0.000 claims 1
- 239000011733 molybdenum Substances 0.000 claims 1
Description
上記課題を解決するための好適な実施形態の一つ目は、筒状のベルトと、前記ベルトの外面側に設けられた加圧ローラと、前記ベルトの内面側に設けられ、前記加圧ローラと共にニップ部を形成するニップ板であって、長手方向が第１方向であり短手方向が第２方向であるニップ板と、前記第１方向が長手方向になるように前記ベルトの中空部に設けられ、前記第１方向と前記第２方向の双方に垂直な第３方向に見たときに前記ニップ板とオーバーラップするように配置されたハロゲンヒーターであって、内部にガスが充填され長手端部を封止する封止部を有するガラス管と、前記ガラス管の内部に設けられたフィラメントと、前記封止部に設けられ前記封止部から前記ガラス管の外に突出している外部リード線と、前記フィラメントと前記外部リード線とを電気的に接続するように前記封止部に設けられた金属箔と、を有するハロゲンヒーターと、前記第１方向が長手方向であり、前記ハロゲンヒーターの輻射光を反射する反射部材であって、前記第３方向に見たときに前記ニップ板とオーバーラップしている反射部材と、を備え、前記ニップ部において記録材を搬送し画像を記録材に定着する定着装置において、前記ガラス管の前記封止部には、前記金属箔の面を覆い且つ前記第３方向を向いている平面部であって、前記第３方向に見たときに前記反射部材から露出している平面部が設けられていることを特徴とする。
上記課題を解決するための好適な実施形態の２つ目は、筒状のベルトと、前記ベルトの外面側に設けられた加圧ローラと、前記ベルトの内面側に設けられ、前記加圧ローラと共にニップ部を形成するニップ板であって、長手方向が第１方向であり短手方向が第２方向であるニップ板と、前記第１方向が長手方向になるように前記ベルトの中空部に設けられ、前記第１方向と前記第２方向の双方に垂直な第３方向に見たときに前記ニップ板とオーバーラップするように配置されたハロゲンヒーターであって、内部にガスが充填され長手端部を封止する封止部を有するガラス管と、前記ガラス管の内部に設けられたフィラメントと、前記封止部に設けられ前記封止部から前記ガラス管の外に突出している外部リード線と、前記フィラメントと前記外部リード線とを電気的に接続するように前記封止部に設けられた金属箔と、を有するハロゲンヒーターと、前記第１方向が長手方向であり、前記ハロゲンヒーターの輻射光を反射する反射部材であって、前記第３方向に見たときに前記ニップ板とオーバーラップしている反射部材と、を備え、前記ニップ部において記録材を搬送し画像を記録材に定着する定着装置において、前記第１方向において前記ハロゲンヒーターの長手中央に近い側を内側、前記ハロゲンヒーターの前記長手中央から遠い側を外側としたときに、前記金属箔の内側の端である内側端は、前記第１方向において前記金属箔と同じ側の前記ニップ板の長手端よりも内側にあり、前記金属箔と同じ側の前記反射板の長手端よりも外側にあることを特徴とする。
The first preferred embodiment for solving the above problems is a tubular belt, a pressure roller provided on the outer surface side of the belt, and a pressure roller provided on the inner surface side of the belt. A nip plate that forms a nip portion together with the nip plate whose longitudinal direction is the first direction and the lateral direction is the second direction, and the hollow portion of the belt so that the first direction is the longitudinal direction. A halogen heater provided and arranged so as to overlap the nip plate when viewed in a third direction perpendicular to both the first direction and the second direction, and is filled with gas and has a length. A glass tube having a sealing portion for sealing an end portion, a filament provided inside the glass tube, and an external lead provided in the sealing portion and projecting from the sealing portion to the outside of the glass tube. A halogen heater having a wire, a metal foil provided in the sealing portion so as to electrically connect the filament and the external lead wire, and the halogen heater whose first direction is the longitudinal direction. It is a reflective member that reflects the radiated light of the above, and includes a reflective member that overlaps with the nip plate when viewed in the third direction, and the recording material is conveyed in the nip portion to record an image. In the fixing device for fixing to, the sealing portion of the glass tube is a flat portion that covers the surface of the metal foil and faces the third direction, and when viewed in the third direction, the said portion. It is characterized in that a flat portion exposed from the reflective member is provided.
The second preferred embodiment for solving the above problems is a tubular belt, a pressure roller provided on the outer surface side of the belt, and a pressure roller provided on the inner surface side of the belt. A nip plate that forms a nip portion together with the nip plate whose longitudinal direction is the first direction and the lateral direction is the second direction, and the hollow portion of the belt so that the first direction is the longitudinal direction. A halogen heater provided and arranged so as to overlap the nip plate when viewed in a third direction perpendicular to both the first direction and the second direction, and is filled with gas and has a length. A glass tube having a sealing portion for sealing an end portion, a filament provided inside the glass tube, and an external lead provided in the sealing portion and projecting from the sealing portion to the outside of the glass tube. A halogen heater having a wire, a metal foil provided in the sealing portion so as to electrically connect the filament and the external lead wire, and the halogen heater whose first direction is the longitudinal direction. It is a reflective member that reflects the radiated light of the above, and includes a reflective member that overlaps with the nip plate when viewed in the third direction, and the recording material is conveyed in the nip portion to record an image. In the fixing device to be fixed to the above, when the side close to the longitudinal center of the halogen heater is the inside and the side far from the longitudinal center of the halogen heater is the outside in the first direction, it is the inner end of the metal foil. The inner end is inside the longitudinal end of the nip plate on the same side as the metal foil in the first direction and outside the longitudinal end of the reflector on the same side as the metal foil. To do.
Claims (14)
前記ベルトの外面側に設けられた加圧ローラと、
前記ベルトの内面側に設けられ、前記加圧ローラと共にニップ部を形成するニップ板であって、長手方向が第１方向であり短手方向が第２方向であるニップ板と、
前記第１方向が長手方向になるように前記ベルトの中空部に設けられ、前記第１方向と前記第２方向の双方に垂直な第３方向に見たときに前記ニップ板とオーバーラップするように配置されたハロゲンヒーターであって、内部にガスが充填され長手端部を封止する封止部を有するガラス管と、前記ガラス管の内部に設けられたフィラメントと、前記封止部に設けられ前記封止部から前記ガラス管の外に突出している外部リード線と、前記フィラメントと前記外部リード線とを電気的に接続するように前記封止部に設けられた金属箔と、を有するハロゲンヒーターと、
前記第１方向が長手方向であり、前記ハロゲンヒーターの輻射光を反射する反射部材であって、前記第３方向に見たときに前記ニップ板とオーバーラップしている反射部材と、
を備え、前記ニップ部において記録材を搬送し画像を記録材に定着する定着装置において、
前記ガラス管の前記封止部には、前記金属箔の面を覆い且つ前記第３方向を向いている平面部であって、前記第３方向に見たときに前記反射部材から露出している平面部が設けられていることを特徴とする定着装置。 With a tubular belt,
A pressure roller provided on the outer surface side of the belt and
A nip plate provided on the inner surface side of the belt and forming a nip portion together with the pressurizing roller, the nip plate having a longitudinal direction of the first direction and a lateral direction of the second direction.
It is provided in the hollow portion of the belt so that the first direction is the longitudinal direction, and overlaps the nip plate when viewed in the third direction perpendicular to both the first direction and the second direction. A glass tube having a sealing portion which is filled with gas and seals a longitudinal end portion, a filament provided inside the glass tube, and a filament provided in the sealing portion. It has an external lead wire protruding from the sealing portion to the outside of the glass tube, and a metal foil provided on the sealing portion so as to electrically connect the filament and the external lead wire. Halogen heater and
A reflective member whose first direction is the longitudinal direction and which reflects the radiant light of the halogen heater and which overlaps with the nip plate when viewed in the third direction.
In a fixing device provided with, the recording material is conveyed in the nip portion and the image is fixed to the recording material.
The sealing portion of the glass tube is a flat surface portion that covers the surface of the metal foil and faces the third direction, and is exposed from the reflective member when viewed in the third direction. A fixing device characterized in that a flat surface portion is provided .
前記ベルトの外面側に設けられた加圧ローラと、
前記ベルトの内面側に設けられ、前記加圧ローラと共にニップ部を形成するニップ板であって、長手方向が第１方向であり短手方向が第２方向であるニップ板と、
前記第１方向が長手方向になるように前記ベルトの中空部に設けられ、前記第１方向と前記第２方向の双方に垂直な第３方向に見たときに前記ニップ板とオーバーラップするように配置されたハロゲンヒーターであって、内部にガスが充填され長手端部を封止する封止部を有するガラス管と、前記ガラス管の内部に設けられたフィラメントと、前記封止部に設けられ前記封止部から前記ガラス管の外に突出している外部リード線と、前記フィラメントと前記外部リード線とを電気的に接続するように前記封止部に設けられた金属箔と、を有するハロゲンヒーターと、
前記第１方向が長手方向であり、前記ハロゲンヒーターの輻射光を反射する反射部材であって、前記第３方向に見たときに前記ニップ板とオーバーラップしている反射部材と、
を備え、前記ニップ部において記録材を搬送し画像を記録材に定着する定着装置において、
前記第１方向において前記ハロゲンヒーターの長手中央に近い側を内側、前記ハロゲンヒーターの前記長手中央から遠い側を外側としたときに、
前記金属箔の内側の端である内側端は、前記第１方向において前記金属箔と同じ側の前記ニップ板の長手端よりも内側にあり、前記金属箔と同じ側の前記反射部材の長手端よりも外側にあることを特徴とする定着装置。 With a tubular belt,
A pressure roller provided on the outer surface side of the belt and
A nip plate provided on the inner surface side of the belt and forming a nip portion together with the pressurizing roller, the nip plate having a longitudinal direction of the first direction and a lateral direction of the second direction.
It is provided in the hollow portion of the belt so that the first direction is the longitudinal direction, and overlaps the nip plate when viewed in the third direction perpendicular to both the first direction and the second direction. A glass tube having a sealing portion which is filled with gas and seals a longitudinal end portion, a filament provided inside the glass tube, and a filament provided in the sealing portion. It has an external lead wire protruding from the sealing portion to the outside of the glass tube, and a metal foil provided on the sealing portion so as to electrically connect the filament and the external lead wire. Halogen heater and
A reflective member whose first direction is the longitudinal direction and which reflects the radiant light of the halogen heater and which overlaps with the nip plate when viewed in the third direction.
In a fixing device provided with, the recording material is conveyed in the nip portion and the image is fixed to the recording material.
When the side close to the longitudinal center of the halogen heater is the inside and the side far from the longitudinal center of the halogen heater is the outside in the first direction,
The inner end, which is the inner end of the metal foil, is inside the longitudinal end of the nip plate on the same side as the metal foil in the first direction, and is the longitudinal end of the reflective member on the same side as the metal foil. A fixing device characterized by being on the outside .
前記金属箔の内側の端である内側端は、前記第１方向において前記金属箔と同じ側の前記ニップ板の長手端よりも内側にあり、前記金属箔と同じ側の前記反射部材の長手端よりも外側にあることを特徴とする請求項１に記載の定着装置。 When the side close to the longitudinal center of the halogen heater is the inside and the side far from the longitudinal center of the halogen heater is the outside in the first direction,
The inner end, which is the inner end of the metal foil, is inside the longitudinal end of the nip plate on the same side as the metal foil in the first direction, and is the longitudinal end of the reflective member on the same side as the metal foil. The fixing device according to claim 1, wherein the fixing device is located outside the surface of the fixing device .
前記金属箔は、前記第１方向において前記金属箔と同じ側の前記反射部材の端面のうち最も外側の部分よりも外側にあることを特徴とする請求項１または２に記載の定着装置。 When the side close to the longitudinal center of the halogen heater is the inside and the side far from the longitudinal center of the halogen heater is the outside in the first direction,
The fixing device according to claim 1 or 2, wherein the metal foil is outside the outermost portion of the end face of the reflective member on the same side as the metal foil in the first direction .
前記第２方向における前記第１部分の一端部から前記第３方向であって前記加圧ローラに近づく方向に延びる部分である第２部分と、前記第２方向における前記第１部分の他端部から前記第３方向であって前記加圧ローラに近づく方向に延びる部分である第３部分と、を有することを特徴とする請求項１乃至５のいずれか一項に記載の定着装置。 The reflective member includes a first portion, which is a portion extending in the second direction when viewed in the first direction, and a first portion.
A second portion that extends from one end of the first portion in the second direction in the third direction in a direction approaching the pressurizing roller, and the other end of the first portion in the second direction. The fixing device according to any one of claims 1 to 5, further comprising a third portion which is a portion extending in a direction approaching the pressurizing roller in the third direction .
前記複数のコイル部は、前記第１方向において等間隔に並んでいることを特徴とする請求項１乃至１０のいずれか一項に記載の定着装置。 The filament includes a plurality of coil portions that are tightly wound in a spiral shape.
The fixing device according to any one of claims 1 to 10, wherein the plurality of coil portions are arranged at equal intervals in the first direction .
前記第１方向における前記ハロゲンヒーターの一端側及び他端側において前記複数のコイル部のうち最も外側にあるコイル部をそれぞれ第１コイル部及び第２コイル部としたときに、前記第１コイル部の外側の端から第２コイル部の外側の端までの長さは、前記反射部材の前記第１方向における長さよりも短いことを特徴とする請求項１１に記載の定着装置。 When the side close to the longitudinal center of the halogen heater is the inside and the side far from the longitudinal center of the halogen heater is the outside in the first direction,
When the outermost coil portions of the plurality of coil portions on one end side and the other end side of the halogen heater in the first direction are the first coil portion and the second coil portion, respectively, the first coil portion. The fixing device according to claim 11, wherein the length from the outer end of the second coil portion to the outer end of the second coil portion is shorter than the length of the reflective member in the first direction .
前記反射部材の前記第１方向の端は、前記第１方向において前記反射部材の前記端と同じ側にある前記複数のコイル部のうち最も外側のコイル部の外側の端と、前記金属箔の内側の端である内側端の間に配置されることを特徴とする請求項１１に記載の定着装置。 When the side close to the longitudinal center of the halogen heater is the inside and the side far from the longitudinal center of the halogen heater is the outside in the first direction,
The end of the reflective member in the first direction is the outer end of the outermost coil portion of the plurality of coil portions on the same side as the end of the reflective member in the first direction, and the metal leaf. The fixing device according to claim 11, wherein the fixing device is arranged between the inner ends, which are the inner ends .
に記載の定着装置。The fixing device according to.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020188937A JP6957722B2 (en) | 2016-06-30 | 2020-11-12 | Fixing device |
| JP2021163484A JP7200319B2 (en) | 2020-11-12 | 2021-10-04 | Fixing device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016130380A JP6794155B2 (en) | 2016-06-30 | 2016-06-30 | Fixing device |
| JP2020188937A JP6957722B2 (en) | 2016-06-30 | 2020-11-12 | Fixing device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016130380A Division JP6794155B2 (en) | 2016-06-30 | 2016-06-30 | Fixing device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021163484A Division JP7200319B2 (en) | 2020-11-12 | 2021-10-04 | Fixing device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021015309A JP2021015309A (en) | 2021-02-12 |
| JP2021015309A5 true JP2021015309A5 (en) | 2021-03-25 |
| JP6957722B2 JP6957722B2 (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020188937A Active JP6957722B2 (en) | 2016-06-30 | 2020-11-12 | Fixing device |
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| Country | Link |
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| JP (1) | JP6957722B2 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5933695A (en) * | 1998-08-03 | 1999-08-03 | Xerox Corporation | Rapid wake up fuser system members with silicone layer |
| JP2004252063A (en) * | 2003-02-19 | 2004-09-09 | Canon Inc | Fixing device |
| JP2008257946A (en) * | 2007-04-03 | 2008-10-23 | Matsushita Electric Ind Co Ltd | Heating unit and heating device |
| JP2011095540A (en) * | 2009-10-30 | 2011-05-12 | Brother Industries Ltd | Fixing device |
| JP6077734B2 (en) * | 2011-04-28 | 2017-02-08 | ブラザー工業株式会社 | Fixing device |
| JP6036061B2 (en) * | 2012-09-13 | 2016-11-30 | ブラザー工業株式会社 | Fixing device |
| JP2016099368A (en) * | 2014-11-18 | 2016-05-30 | キヤノン株式会社 | Image heating device |
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2020
- 2020-11-12 JP JP2020188937A patent/JP6957722B2/en active Active
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