JPH0177661U - - Google Patents
Info
- Publication number
- JPH0177661U JPH0177661U JP1987172683U JP17268387U JPH0177661U JP H0177661 U JPH0177661 U JP H0177661U JP 1987172683 U JP1987172683 U JP 1987172683U JP 17268387 U JP17268387 U JP 17268387U JP H0177661 U JPH0177661 U JP H0177661U
- Authority
- JP
- Japan
- Prior art keywords
- fixing roll
- roll
- equalizing member
- temperature equalizing
- heating
- 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
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 5
- 239000010410 layer Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000009835 boiling Methods 0.000 claims 1
- 239000000919 ceramic Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
Landscapes
- Rolls And Other Rotary Bodies (AREA)
- Fixing For Electrophotography (AREA)
Description
第１図は本考案の一実施例であつて、加熱定着
ロールを用いた定着装置の要部の断面図、第２図
は第１図における加熱定着ロールの横断面図、第
３図は従来の定着装置の断面図、第４図は本考案
の他の実施例であつて、加熱定着ロールの一部の
断面図、第５図は本考案の別の実施例であつて、
加熱定着ロールを用いた定着装置の要部の概略断
面図、第６図は本考案の他の実施例であつて、加
熱定着ロールを用いた定着装置の要部の概略斜視
図、第７図は冷却ブラシの斜視図、第８図は本考
案の更に他の実施例であつて、加熱定着ロールの
概略断面図である。
１……加熱定着ロール、１ａ……加熱ロール、
２……支持体ロール、３……抵抗発熱体層、４…
…離型層、５ａ，５ｂ……円筒状電極、６ａ，６
ｂ……ベアリング、７ａ，７ｂ……給電ブラシ、
８……スプリング、９……形状記憶合金スプリン
グ、１０，１０ａ……加圧ロール、１１……金属
コア、１２……弾性体、１３ａ，１３ｂ……ベア
リング、１４……シヤフト、１５ａ，１５ｂ……
フレーム、１６……金属板、１７……駆動用ギア
、１８……内部加熱素子、１９……用紙、２０…
…トナー像、２１……フイラー、２２……熱伝導
性被覆層、２３……冷却フイン、２４……冷却ブ
ラシ、２５……不活性ガスまたは液体。
Fig. 1 is an embodiment of the present invention, and is a cross-sectional view of the main parts of a fixing device using a heat-fixing roll, Fig. 2 is a cross-sectional view of the heat-fixing roll in Fig. 1, and Fig. 3 is a conventional FIG. 4 is a cross-sectional view of a fixing device according to the present invention, and FIG. 5 is a cross-sectional view of a part of a heating fixing roll, and FIG.
FIG. 6 is a schematic sectional view of the main parts of a fixing device using a heat fixing roll, and FIG. 7 is a schematic perspective view of the main parts of a fixing device using a heat fixing roll, which is another embodiment of the present invention. 8 is a perspective view of a cooling brush, and FIG. 8 is a schematic sectional view of a heat fixing roll, which is still another embodiment of the present invention. 1...heat fixing roll, 1a...heating roll,
2... Support roll, 3... Resistance heating element layer, 4...
...Release layer, 5a, 5b...Cylindrical electrode, 6a, 6
b... Bearing, 7a, 7b... Power supply brush,
8... Spring, 9... Shape memory alloy spring, 10, 10a... Pressure roll, 11... Metal core, 12... Elastic body, 13a, 13b... Bearing, 14... Shaft, 15a, 15b... …
Frame, 16... Metal plate, 17... Drive gear, 18... Internal heating element, 19... Paper, 20...
... toner image, 21 ... filler, 22 ... thermally conductive coating layer, 23 ... cooling fin, 24 ... cooling brush, 25 ... inert gas or liquid.
Claims (1)
上に、発熱体層を有する加熱定着ロールにおいて
、該加熱定着ロールの軸方向の温度分布を補正す
る温度均一化部材を設けてなることを特徴とする
加熱定着ロール。 (2) 温度均一化部材が、支持体ロール内周面に
面して離接可能に配設された複数の長尺金属板と
温度検知手段とよりなる実用新案登録請求の範囲
第１項に記載の加熱定着ロール。 (3) 温度均一化部材が、支持体ロールのコアー
中にその軸方向に配向して含有された針状フイラ
ーである実用新案登録請求の範囲第１項に記載の
加熱定着ロール。定着ロール。 (4) 温度均一化部材が、支持体ロールの内周面
に設けられた熱伝導性被覆層である実用新案登録
請求の範囲第１項に記載の加熱定着ロール。 (5) 温度均一化部材が、支持体ロールの両端近
傍に離接可能に配設された冷却フインまたは冷却
ブラシである実用新案登録請求の範囲第１項に記
載の加熱定着ロール。 (6) 温度均一化部材が、支持体ロール内部に封
入された低沸点不活性ガスまたは液体である実用
新案登録請求の範囲第１項に記載の加熱定着ロー
ル。 (7) 支持体ロールがヒートパイプである実用新
案登録請求の範囲第１項に記載の加熱定着ロール
。[Claims for Utility Model Registration] (1) In a heating fixing roll having a heating layer on a hollow support roll made of ceramics, a temperature equalizing member for correcting the temperature distribution in the axial direction of the heating fixing roll is provided. A heating fixing roll comprising: (2) According to claim 1 of the utility model registration, the temperature equalizing member comprises a plurality of elongated metal plates facing the inner circumferential surface of the support roll so as to be separably disposed and a temperature detecting means. The heat fixing roll described. (3) The heating fixing roll according to claim 1, wherein the temperature equalizing member is an acicular filler contained in the core of the support roll and oriented in the axial direction thereof. Fixing roll. (4) The heat fixing roll according to claim 1, wherein the temperature equalizing member is a thermally conductive coating layer provided on the inner peripheral surface of the support roll. (5) The heating fixing roll according to claim 1, wherein the temperature equalizing member is a cooling fin or a cooling brush that is separably disposed near both ends of the support roll. (6) The heat fixing roll according to claim 1, wherein the temperature equalizing member is a low boiling point inert gas or liquid sealed inside the support roll. (7) The heat fixing roll according to claim 1, wherein the support roll is a heat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987172683U JPH0177661U (en) | 1987-11-13 | 1987-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987172683U JPH0177661U (en) | 1987-11-13 | 1987-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0177661U true JPH0177661U (en) | 1989-05-25 |
Family
ID=31464640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987172683U Pending JPH0177661U (en) | 1987-11-13 | 1987-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0177661U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001074039A (en) * | 1999-07-30 | 2001-03-23 | Xerox Corp | Roller, developing roller and electrophotograp printing device |
| JP2006126847A (en) * | 2004-10-28 | 2006-05-18 | Xerox Corp | Fusing assembly having temperature-equalizing device |
-
1987
- 1987-11-13 JP JP1987172683U patent/JPH0177661U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001074039A (en) * | 1999-07-30 | 2001-03-23 | Xerox Corp | Roller, developing roller and electrophotograp printing device |
| JP2006126847A (en) * | 2004-10-28 | 2006-05-18 | Xerox Corp | Fusing assembly having temperature-equalizing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0177661U (en) | ||
| JPH10142985A (en) | Induction heat generating roller | |
| JPS62104270U (en) | ||
| JPS6161564U (en) | ||
| JPS6251368U (en) | ||
| JPS6176463U (en) | ||
| JPS63120268U (en) | ||
| JPH0355827B2 (en) | ||
| JPH0481952U (en) | ||
| JPS638759U (en) | ||
| JPS6375343U (en) | ||
| JPS59128665U (en) | Heat fixing device in copying machine | |
| JPS6432570U (en) | ||
| JPS6339255U (en) | ||
| JPS6374663U (en) | ||
| JPS641286U (en) | ||
| JPS63135364U (en) | ||
| JPS6314567U (en) | ||
| JPS6243375U (en) | ||
| JPS61137964U (en) | ||
| JPS6238677U (en) | ||
| JPH0394563U (en) | ||
| JPS59158162U (en) | heating roller | |
| JPH01115763U (en) | ||
| JPS5971367U (en) | image recording device |