JPS6341176U - - Google Patents
Info
- Publication number
- JPS6341176U JPS6341176U JP13599986U JP13599986U JPS6341176U JP S6341176 U JPS6341176 U JP S6341176U JP 13599986 U JP13599986 U JP 13599986U JP 13599986 U JP13599986 U JP 13599986U JP S6341176 U JPS6341176 U JP S6341176U
- Authority
- JP
- Japan
- Prior art keywords
- protective coating
- temperature detection
- toner
- rolling element
- detection device
- 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
- 238000001514 detection method Methods 0.000 claims description 7
- 239000011253 protective coating Substances 0.000 claims 4
- 238000005096 rolling process Methods 0.000 claims 4
- 239000000155 melt Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Fixing For Electrophotography (AREA)
Description
第１図は本考案に係る温度検出装置を示す縦断
面図、第２図ａ，ｂは温度検出部材表面へのトナ
ーの付着状態を夫々示す正面図、第３図は本考案
の他の実施例を示す縦断面図、第４図は本考案を
適用し得る定着装置を示す縦断面図である。
符号の説明、１……上ローラ、２，３……ヒー
タ、４……下ローラ、１１……温度検出部材、１
８……保護被膜。
FIG. 1 is a longitudinal sectional view showing a temperature detection device according to the present invention, FIGS. 2a and 2b are front views showing the state of adhesion of toner on the surface of the temperature detection member, and FIG. 3 is another embodiment of the present invention. FIG. 4 is a longitudinal sectional view showing an example of a fixing device to which the present invention can be applied. Explanation of symbols, 1... Upper roller, 2, 3... Heater, 4... Lower roller, 11... Temperature detection member, 1
8...Protective film.
Claims (1)
る一対の転動体間に像支持部材を通し、該像支持
部材上のトナー像を熱溶融定着させる熱定着装置
において、上記転動体に当接してその表面温度を
検出する温度検出部材の表面に、トナーの付着を
静電的に阻止する保護被膜を形成したことを特徴
とする温度検出装置。 (2) 上記保護被膜がトナーと同極性であつて転
動体よりも高電位に帯電していることを特徴とす
る実用新案登録請求の範囲第１項記載の温度検出
装置。 (3) 上記保護被膜がトナーと異極性であつて転
動体より低電位に帯電していることを特徴とする
実用新案登録請求の範囲第１項記載の温度検出装
置。 (4) 上記保護被膜が導電性粉末を混入したフツ
素樹脂によつて形成されていることを特徴とする
実用新案登録請求の範囲第１項記載の温度検出装
置。[Claims for Utility Model Registration] (1) In a heat fixing device that passes an image supporting member between a pair of rolling elements, at least one of which has a heat source and is in pressure contact with each other, and heat-melts and fixes the toner image on the image supporting member. . A temperature detection device, characterized in that a protective coating for electrostatically preventing toner from adhering is formed on the surface of a temperature detection member that comes into contact with the rolling element to detect its surface temperature. (2) The temperature detection device according to claim 1, wherein the protective coating has the same polarity as the toner and is charged to a higher potential than the rolling element. (3) The temperature detection device according to claim 1, wherein the protective coating has a polarity different from that of the toner and is charged to a lower potential than the rolling element. (4) The temperature detecting device according to claim 1, wherein the protective coating is formed of a fluororesin mixed with conductive powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13599986U JPS6341176U (en) | 1986-09-04 | 1986-09-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13599986U JPS6341176U (en) | 1986-09-04 | 1986-09-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6341176U true JPS6341176U (en) | 1988-03-17 |
Family
ID=31038713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13599986U Pending JPS6341176U (en) | 1986-09-04 | 1986-09-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6341176U (en) |
-
1986
- 1986-09-04 JP JP13599986U patent/JPS6341176U/ja active Pending
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