JPS6449686A - Production of lithographic plate substrate - Google Patents
Production of lithographic plate substrateInfo
- Publication number
- JPS6449686A JPS6449686A JP20658587A JP20658587A JPS6449686A JP S6449686 A JPS6449686 A JP S6449686A JP 20658587 A JP20658587 A JP 20658587A JP 20658587 A JP20658587 A JP 20658587A JP S6449686 A JPS6449686 A JP S6449686A
- Authority
- JP
- Japan
- Prior art keywords
- metal web
- treatment
- liquid
- treatment liquid
- liquid film
- 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
Landscapes
- Printing Plates And Materials Therefor (AREA)
Abstract
PURPOSE:To reduce an energy cost, by a method wherein, a liquid film of a treatment liquid is formed on the surface of a metal web or sheet and, in this condition, subjected to a chemical treatment and/or an electrochemical treatment while the metal web or sheet is heated. CONSTITUTION:A metal web 1 is guided in a treatment bath 2 by rollers 5, 6, 7. A liquid film 10 of a treatment liquid 3 is formed by the treatment liquid 3 jetted out of a spray device 4 and by the travel of the metal web 1 and chemically treated. For example, an induced current is generated on the metal web 1 by an alternating field generated from induction heaters 8, 9, thus resulting in the heat generation of the metal web 1. In this case, a small quantity of heat radiation from the metal web 1 to the treatment liquid can be realized, and the treatment liquid exists on the metal web in a liquid film state. Therefore, if the liquid film is heated by the heat radiation from the metal web, a small capacity of the liquid film prevents the heat release outside therefrom. Furthermore, only a surface of the metal web 1 to be required to be treated can be treated, which is an advantage from the standpoint of the fatigue of the treatment liquid and an energy cost.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20658587A JPS6449686A (en) | 1987-08-21 | 1987-08-21 | Production of lithographic plate substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20658587A JPS6449686A (en) | 1987-08-21 | 1987-08-21 | Production of lithographic plate substrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6449686A true JPS6449686A (en) | 1989-02-27 |
Family
ID=16525840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20658587A Pending JPS6449686A (en) | 1987-08-21 | 1987-08-21 | Production of lithographic plate substrate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6449686A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4975775A (en) * | 1987-11-19 | 1990-12-04 | Sharp Kabushiki Kaisha | Tuner for receiving television signal in frequency division multiplex system and television signal in time division multiplex system |
| US5283653A (en) * | 1992-05-22 | 1994-02-01 | Zenith Electronics Corp. | Dual HDTV/NTSC receiver using sequentially synthesized HDTV and NTSC co-channel carrier frequencies |
-
1987
- 1987-08-21 JP JP20658587A patent/JPS6449686A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4975775A (en) * | 1987-11-19 | 1990-12-04 | Sharp Kabushiki Kaisha | Tuner for receiving television signal in frequency division multiplex system and television signal in time division multiplex system |
| US5283653A (en) * | 1992-05-22 | 1994-02-01 | Zenith Electronics Corp. | Dual HDTV/NTSC receiver using sequentially synthesized HDTV and NTSC co-channel carrier frequencies |
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