IE39558B1 - Lithographic printing blanks and their inscription - Google Patents

Lithographic printing blanks and their inscription

Info

Publication number
IE39558B1
IE39558B1 IE136174A IE136174A IE39558B1 IE 39558 B1 IE39558 B1 IE 39558B1 IE 136174 A IE136174 A IE 136174A IE 136174 A IE136174 A IE 136174A IE 39558 B1 IE39558 B1 IE 39558B1
Authority
IE
Ireland
Prior art keywords
layer
over
protective
protective layer
inscribing
Prior art date
Application number
IE136174A
Other versions
IE39558L (en
Original Assignee
Vickers Ltd
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 Vickers Ltd filed Critical Vickers Ltd
Publication of IE39558L publication Critical patent/IE39558L/en
Publication of IE39558B1 publication Critical patent/IE39558B1/en

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
    • B41C1/10—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
    • B41C1/1008—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by removal or destruction of lithographic material on the lithographic support, e.g. by laser or spark ablation; by the use of materials rendered soluble or insoluble by heat exposure, e.g. by heat produced from a light to heat transforming system; by on-the-press exposure or on-the-press development, e.g. by the fountain of photolithographic materials
    • B41C1/1033—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by removal or destruction of lithographic material on the lithographic support, e.g. by laser or spark ablation; by the use of materials rendered soluble or insoluble by heat exposure, e.g. by heat produced from a light to heat transforming system; by on-the-press exposure or on-the-press development, e.g. by the fountain of photolithographic materials by laser or spark ablation

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Printing Plates And Materials Therefor (AREA)

Abstract

1470657 Lithographic blanks VICKERS Ltd 26 June 1974 [11 July 1973] 33130/73 Heading B6C [Also in Division D2] In a process for inscribing an image on a lithographic blank consisting of a non-conductive hydropholic under-layer and an electrically conductive hydrophilic over-layer, by contacting the over-layer with a stylus through which a current is passing, mechanical abrasion of the over-layer by the stylus is prevented by coating the over-layer with a soluble protective material. Preferably the under-layer, being ink-receptive, is a flexible plastics material, e.g. a polyester, the over-layer is ink-repellent when wetted and may be aluminium, chromium or nickel; the protective layer consists of a film-forming layer, a plasticizer and a pigment. After inscribing, that part of the protective layer which has not been removed during inscription is dissolved; the solvent for the protective layer may also etch the hydrophilic over-layer to improve its water-accepting properties. The properties of the protective layer are chosen to have the desired anti-abrasion characteristics. [GB1470657A]
IE136174A 1973-07-11 1974-06-26 Lithographic printing blanks and their inscription IE39558B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3313073A GB1470657A (en) 1973-07-11 1973-07-11 Lithographic printing blanks and their inscription

Publications (2)

Publication Number Publication Date
IE39558L IE39558L (en) 1975-01-11
IE39558B1 true IE39558B1 (en) 1978-11-08

Family

ID=10348942

Family Applications (1)

Application Number Title Priority Date Filing Date
IE136174A IE39558B1 (en) 1973-07-11 1974-06-26 Lithographic printing blanks and their inscription

Country Status (11)

Country Link
JP (1) JPS5919837B2 (en)
BE (1) BE817529A (en)
CA (1) CA1008297A (en)
DE (1) DE2433448C2 (en)
DK (1) DK135275B (en)
FR (1) FR2236668B1 (en)
GB (1) GB1470657A (en)
IE (1) IE39558B1 (en)
IT (1) IT1016555B (en)
LU (1) LU70491A1 (en)
NL (1) NL7409196A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3017450A1 (en) * 1980-05-07 1981-11-12 Robert Bosch Gmbh, 7000 Stuttgart RECORD CARRIER FOR REGISTRATION DEVICES
GB2200323B (en) * 1986-12-16 1991-05-01 Tetra Pak Ab Offset printing
DE3705439A1 (en) * 1987-02-20 1988-09-01 Man Technologie Gmbh PRINTING MACHINE
DE3740079A1 (en) * 1987-11-26 1989-06-08 Man Technologie Gmbh ELECTRICAL RECORDING DEVICE FOR PRINTING FORMS OF PRINTING MACHINES
US5783364A (en) * 1996-08-20 1998-07-21 Presstek, Inc. Thin-film imaging recording constructions incorporating metallic inorganic layers and optical interference structures
CN115190702A (en) * 2021-08-31 2022-10-14 安徽商贸职业技术学院 Operation method of computer circuit board etching device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1496152C3 (en) * 1965-08-05 1975-03-13 Robert Bosch Gmbh, 7000 Stuttgart Electrically writable planographic printing plate and method for making the planographic printing form
GB1244177A (en) * 1968-03-04 1971-08-25 Marconi Internat Marine Compan Improvements in or relating to electro-sensitive record mediums
JPS5443402B2 (en) * 1972-05-15 1979-12-20
JPS5034970B2 (en) * 1972-05-17 1975-11-12

Also Published As

Publication number Publication date
IT1016555B (en) 1977-06-20
DK370974A (en) 1975-02-24
JPS5919837B2 (en) 1984-05-09
DE2433448C2 (en) 1983-11-10
DK135275C (en) 1977-09-12
IE39558L (en) 1975-01-11
FR2236668B1 (en) 1978-04-14
BE817529A (en) 1974-11-04
LU70491A1 (en) 1974-11-28
DK135275B (en) 1977-03-28
JPS5049002A (en) 1975-05-01
DE2433448A1 (en) 1975-02-06
NL7409196A (en) 1975-01-14
GB1470657A (en) 1977-04-21
FR2236668A1 (en) 1975-02-07
CA1008297A (en) 1977-04-12

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