FR2392814A1 - METHOD AND APPARATUS FOR CONTROLLING THE ENGRAVING DEPTH OF PRINTING CYLINDERS - Google Patents

METHOD AND APPARATUS FOR CONTROLLING THE ENGRAVING DEPTH OF PRINTING CYLINDERS

Info

Publication number
FR2392814A1
FR2392814A1 FR7816262A FR7816262A FR2392814A1 FR 2392814 A1 FR2392814 A1 FR 2392814A1 FR 7816262 A FR7816262 A FR 7816262A FR 7816262 A FR7816262 A FR 7816262A FR 2392814 A1 FR2392814 A1 FR 2392814A1
Authority
FR
France
Prior art keywords
controlling
printing cylinders
engraving depth
middletone
influence
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
Application number
FR7816262A
Other languages
French (fr)
Other versions
FR2392814B1 (en
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.)
SIEGWERK FARBENFAB KELLER RUNG
Original Assignee
SIEGWERK FARBENFAB KELLER RUNG
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 SIEGWERK FARBENFAB KELLER RUNG filed Critical SIEGWERK FARBENFAB KELLER RUNG
Publication of FR2392814A1 publication Critical patent/FR2392814A1/en
Application granted granted Critical
Publication of FR2392814B1 publication Critical patent/FR2392814B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/18—Curved printing formes or printing cylinders
    • B41C1/188—Curved printing formes or printing cylinders characterised by means for liquid etching of cylinders already provided with resist pattern

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • ing And Chemical Polishing (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)

Abstract

The process and the apparatus are intended for controlling the etch depth of the wells of printing cylinders, it being possible to influence the total range of the gradation curve and separately to influence in particular the middletone region and the shadow dots by carrying out the continuous etch depth measurements simultaneously in the shadow dots and in the middletone region of the gradation curve, and, in addition to the change in the speed of rotation of the printing cylinder, the concentration and/or the temperature of the etching bath being changed.
FR7816262A 1977-06-03 1978-05-31 METHOD AND APPARATUS FOR CONTROLLING THE ENGRAVING DEPTH OF PRINTING CYLINDERS Granted FR2392814A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772725131 DE2725131A1 (en) 1977-06-03 1977-06-03 METHOD AND DEVICE FOR CONTROLLING THE ETCHING DEPTH OF PRESSURE CYLINDERS

Publications (2)

Publication Number Publication Date
FR2392814A1 true FR2392814A1 (en) 1978-12-29
FR2392814B1 FR2392814B1 (en) 1983-07-08

Family

ID=6010662

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7816262A Granted FR2392814A1 (en) 1977-06-03 1978-05-31 METHOD AND APPARATUS FOR CONTROLLING THE ENGRAVING DEPTH OF PRINTING CYLINDERS

Country Status (5)

Country Link
BE (1) BE867764A (en)
CH (1) CH630418A5 (en)
DE (1) DE2725131A1 (en)
FR (1) FR2392814A1 (en)
IT (1) IT1096456B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19860179A1 (en) * 1998-12-24 2000-06-29 Audi Ag Structured mask, especially for producing moulds for slush-moulding contoured automobile interior parts, is made by substrate application using a path controlled device or selective substrate removal using a surface structuring device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR86998E (en) * 1964-12-14 1966-05-20 D Editions Artistiques N E A S Improvements in chemical etching processes and devices
FR89325E (en) * 1967-09-18
DE1253280B (en) * 1965-09-22 1967-11-02 Habra Werk Ott Kg Method and device for measuring the depth of the printing cylinder
DE1901073A1 (en) * 1969-01-10 1970-09-10 Habra Werk Ott Kg Device for controlling and measuring the depth of the printing cylinder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR89325E (en) * 1967-09-18
FR86998E (en) * 1964-12-14 1966-05-20 D Editions Artistiques N E A S Improvements in chemical etching processes and devices
US3496046A (en) * 1964-12-14 1970-02-17 Nationale D Editions Artistiqu Engraving devices for printing cylinders
DE1253280B (en) * 1965-09-22 1967-11-02 Habra Werk Ott Kg Method and device for measuring the depth of the printing cylinder
DE1901073A1 (en) * 1969-01-10 1970-09-10 Habra Werk Ott Kg Device for controlling and measuring the depth of the printing cylinder

Also Published As

Publication number Publication date
IT1096456B (en) 1985-08-26
IT7824134A0 (en) 1978-06-02
CH630418A5 (en) 1982-06-15
FR2392814B1 (en) 1983-07-08
DE2725131A1 (en) 1978-12-14
BE867764A (en) 1978-10-02

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Legal Events

Date Code Title Description
ST Notification of lapse