JPS56162695A - Desensitizing treatment device for master - Google Patents
Desensitizing treatment device for masterInfo
- Publication number
- JPS56162695A JPS56162695A JP6732780A JP6732780A JPS56162695A JP S56162695 A JPS56162695 A JP S56162695A JP 6732780 A JP6732780 A JP 6732780A JP 6732780 A JP6732780 A JP 6732780A JP S56162695 A JPS56162695 A JP S56162695A
- Authority
- JP
- Japan
- Prior art keywords
- immersed
- liquid
- master
- roller
- roller pair
- 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
- Rotary Presses (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
PURPOSE:To cause an etching liquid to penetrate also into small recesses and holes on a master surface and remove surplus liquid so as to treat the surface securely, by a method wherein when immersing a plurality of pairs of upper and lower rollers into an etching liquid contained in a tank, some of the roller pairs are immersed to relatively deep positions while others are immersed to relatively shallow positions. CONSTITUTION:The master M is fed through a feed roller pair 4, then it is guided by a guide plate 5 and is introduced and immersed into the etching liquid in the tank 1. Then the master M is passed through the first roller pair 2 which has a lower roller 2a being entirely immersed into the liquid and an upper roller 2b being partially immersed. The pressure exerted by the roller pair 2 causes the liquid to sufficiently penetrate also into the recesses and holes on the surfaced to be treated. Subsequently, the master M is passed through the second roller pair 3, wherein only a part of a lower roller 3a is immersed in the liquid, whereby the surplus liquid adhering onto the treated surface is removed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6732780A JPS56162695A (en) | 1980-05-21 | 1980-05-21 | Desensitizing treatment device for master |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6732780A JPS56162695A (en) | 1980-05-21 | 1980-05-21 | Desensitizing treatment device for master |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56162695A true JPS56162695A (en) | 1981-12-14 |
Family
ID=13341810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6732780A Pending JPS56162695A (en) | 1980-05-21 | 1980-05-21 | Desensitizing treatment device for master |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56162695A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53111804A (en) * | 1977-03-11 | 1978-09-29 | Ricoh Kk | Device for desensitizing offset master used for offset printer |
-
1980
- 1980-05-21 JP JP6732780A patent/JPS56162695A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53111804A (en) * | 1977-03-11 | 1978-09-29 | Ricoh Kk | Device for desensitizing offset master used for offset printer |
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