JPS55100551A - Engraving method - Google Patents

Engraving method

Info

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
Application number
JP932579A
Other languages
Japanese (ja)
Inventor
Noboru Usami
Eiji Tokumaru
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TOYO SHIGYO KK
Original Assignee
TOYO SHIGYO KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TOYO SHIGYO KK filed Critical TOYO SHIGYO KK
Priority to JP932579A priority Critical patent/JPS55100551A/en
Publication of JPS55100551A publication Critical patent/JPS55100551A/en
Pending legal-status Critical Current

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
JP932579A 1979-01-29 1979-01-29 Engraving method Pending JPS55100551A (en)

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)

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