JPS55100551A - Engraving method - Google Patents
Engraving methodInfo
- Publication number
- JPS55100551A JPS55100551A JP932579A JP932579A JPS55100551A JP S55100551 A JPS55100551 A JP S55100551A JP 932579 A JP932579 A JP 932579A JP 932579 A JP932579 A JP 932579A JP S55100551 A JPS55100551 A JP S55100551A
- Authority
- JP
- Japan
- Prior art keywords
- printing plate
- copying sheet
- colored
- type
- printing
- 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
- Preparing Plates And Mask In Photomechanical Process (AREA)
- Color Printing (AREA)
Abstract
PURPOSE: To engrave the printing plate which is free from pinholes and is of good sharpness of the characters intrinsic to types by pressing a transparent pressure- sensitive copying sheet with type matter to let it form color and printing the unexposed printing plate with this as a mask.
CONSTITUTION: The transparent pressure-sensitive copying sheet 1 comprising laminating a coloring agent layer 6 containing microcapsuled electron donative colorless dyes and a developer layer 4 containing electron receptive adsorption material on a (semi)transparent base material 3 of plastic, paper, etc. is used. The type surfaces 8 of the type matter 7 are contacted and pressed to the surface of the base material 3 of the copying sheet 1 so that the coloring agents and developers of the portions are reacted and are colored to the color which does not sensitize the printing plate at the time of printing the unexposed printing plate, whereby the colored parts 9 of the type characters are formed. Next, the copying sheet 10 having been colored in the abovementioned manner and the unexposed printing plate 12 are contacted and printed, after which the plate 12 is processed by a known method, whereby the printing plate is obtained.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP932579A JPS55100551A (en) | 1979-01-29 | 1979-01-29 | Engraving method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP932579A JPS55100551A (en) | 1979-01-29 | 1979-01-29 | Engraving method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55100551A true JPS55100551A (en) | 1980-07-31 |
Family
ID=11717314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP932579A Pending JPS55100551A (en) | 1979-01-29 | 1979-01-29 | Engraving method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55100551A (en) |
-
1979
- 1979-01-29 JP JP932579A patent/JPS55100551A/en active Pending
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