JPS57147477A - Apparatus for preventing thermal deformation of doctor - Google Patents
Apparatus for preventing thermal deformation of doctorInfo
- Publication number
- JPS57147477A JPS57147477A JP3147981A JP3147981A JPS57147477A JP S57147477 A JPS57147477 A JP S57147477A JP 3147981 A JP3147981 A JP 3147981A JP 3147981 A JP3147981 A JP 3147981A JP S57147477 A JPS57147477 A JP S57147477A
- Authority
- JP
- Japan
- Prior art keywords
- blade
- doctor
- temp
- cooling agent
- thermal deformation
- 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.)
- Granted
Links
Abstract
PURPOSE: To carry out uniform coating by flowing a cooling agent or the like along a passage formed by the blade in the holder of a measuring doctor used in coating a paper layer and an upper surface of a bag to block heat transmission from the leading end part of the blade and to compensate the thermal deformation of the bag.
CONSTITUTION: Prevention of the thermal deformation of a doctor apparatus is carried out by flowing a cooling agent of which the temp. is adjusted to an appropriate temp. into a cavity E formed by a blade holder 3, a metal bar 4 and a doctor blade 5 from one end A or the center C thereof and recovering the same at the other end B thereof and the heat transmitted from the leading end of the doctor blade 5 is absorbed and removed and, at the same time, the compensation of a temp. in the width direction of the blade 5. In addition, to a doctor head main body 6, a nozzle 7 is also provided over a total length thereof and a heat medium or the cooling agent having adjusted temp. is flowed and recovered as drain in a recovery pan 8 from both ends of the doctor head main body 6 and, through the head medium or the cooling agent, temp. difference of the leading end part holder 3, the bar 4, the blade 5 and the head main body 6 is compensated.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3147981A JPS5927632B2 (en) | 1981-03-05 | 1981-03-05 | Doctor's thermal deformation prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3147981A JPS5927632B2 (en) | 1981-03-05 | 1981-03-05 | Doctor's thermal deformation prevention device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57147477A true JPS57147477A (en) | 1982-09-11 |
| JPS5927632B2 JPS5927632B2 (en) | 1984-07-06 |
Family
ID=12332394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3147981A Expired JPS5927632B2 (en) | 1981-03-05 | 1981-03-05 | Doctor's thermal deformation prevention device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5927632B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0295471A (en) * | 1988-09-23 | 1990-04-06 | J M Voith Gmbh | Smoothing structure for coater |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU189722B (en) * | 1983-06-20 | 1986-07-28 | Nehezipari Mueszaki Egyetem,Hu | Method and circuit arrangement for sampling according to the value of signal independent of the frequency range of the signal recorded |
-
1981
- 1981-03-05 JP JP3147981A patent/JPS5927632B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0295471A (en) * | 1988-09-23 | 1990-04-06 | J M Voith Gmbh | Smoothing structure for coater |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5927632B2 (en) | 1984-07-06 |
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