GB1201819A - Producing printing plates electrophotographically - Google Patents

Producing printing plates electrophotographically

Info

Publication number
GB1201819A
GB1201819A GB45220/67A GB4522067A GB1201819A GB 1201819 A GB1201819 A GB 1201819A GB 45220/67 A GB45220/67 A GB 45220/67A GB 4522067 A GB4522067 A GB 4522067A GB 1201819 A GB1201819 A GB 1201819A
Authority
GB
United Kingdom
Prior art keywords
plate
photo
toner
conductive
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.)
Expired
Application number
GB45220/67A
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.)
Xerox Ltd
Original Assignee
Rank Xerox 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 Rank Xerox Ltd filed Critical Rank Xerox Ltd
Publication of GB1201819A publication Critical patent/GB1201819A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G13/00—Electrographic processes using a charge pattern
    • G03G13/26—Electrographic processes using a charge pattern for the production of printing plates for non-xerographic printing processes
    • G03G13/32—Relief printing plates

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Printing Methods (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Liquid Developers In Electrophotography (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Developing Agents For Electrophotography (AREA)

Abstract

1,201,819. Electrostatic printing; printing plates. RANK XEROX Ltd. 4 Oct., 1967 [10 Oct., 1966], No. 45220/67. Heading B6C. [Also in Divisions G2-G3] A process of producing a gravure printing plate 1 comprises forming an electrostatic latent image on a photo-conductive plate 3, developing the latent image with electroscopic developer particles so as to imagewisc fill cellular areas 16 and firing the particles. The plate 1 has a conductive metal substrate 2 which may be of aluminium brass, steel, copper, nickel, zinc, conductive rubber or conductive glass. The gravure pattern may be formed by impressing the plate 3 with a relief or embossed plate having a dot pattern, or by using a photoconductive material with a photo-hardenable polymeric composition which permits the washing away of unexposed areas of the photopolymer. Examples of photo-hardenable materials are polyvinyl alcohol, cinnamate esters of cellulose bichromated shellac, phenolic resins and nylon. Alternatively the plate 3 may be formed from a photo-conductive enamel plate as described in Specification 1,186,737, by etching using a stylus or by vacuum coating. The plate 3 is charged and exposed in known manner and then developed with a resinous toner, e.g., styrene polymers or phenol formaldehyde using a magnetic carrier. Liquid developers comprising finely divided opaque powder and an insulating liquid. The opaque powder may be carbon black, talcum powder, vinyl resins, e.g., carboxy vinyl polymers, polyvinyl pyrrolidones, methylvinylether-maleic anhydride copolymers, polyvinyl alcohols, sodium carboxyethylcellulose, hydroxy propylmethyl cellulose, hydroxyethyl cellulose, alkali soluble proteins casein, gelatine such as ammonium polyacrylate and sodium polyacrylate may be included in the developer. In a second embodiment, Figs. 5 to 7 (not shown) a resinous material (17) is applied to the plate (3) to occupy those spaces not occupied with toner (14). The toner is then removed e.g. by a solvent without disturbing the material (17). Printing ink (18) is then supplied from a source (19) to fill the cells (21) vacated by the toner, excess ink being removed by a squeegee blade (22).
GB45220/67A 1966-10-10 1967-10-04 Producing printing plates electrophotographically Expired GB1201819A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US58543266A 1966-10-10 1966-10-10

Publications (1)

Publication Number Publication Date
GB1201819A true GB1201819A (en) 1970-08-12

Family

ID=24341411

Family Applications (1)

Application Number Title Priority Date Filing Date
GB45220/67A Expired GB1201819A (en) 1966-10-10 1967-10-04 Producing printing plates electrophotographically

Country Status (3)

Country Link
US (1) US3561358A (en)
DE (1) DE1597795A1 (en)
GB (1) GB1201819A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058637A (en) * 1971-02-18 1977-11-15 Research And Development Laboratories Of Ohno Co., Ltd. Electrostatic developing method
JPS4982344A (en) * 1972-12-12 1974-08-08
JPS5063930A (en) * 1973-06-08 1975-05-30
US3948655A (en) * 1973-12-26 1976-04-06 Xerox Corporation Electrostatographic process for preparing gravure printing member
US3909256A (en) * 1973-12-26 1975-09-30 Xerox Corp Electrostatographic process for preparing screen printing member
CA1160880A (en) * 1979-02-02 1984-01-24 Keith E. Whitmore Imaging with nonplanar support elements
US4375507A (en) * 1980-09-08 1983-03-01 Eastman Kodak Company Imaging with nonplanar support multicolor filter elements
US4387154A (en) * 1980-09-08 1983-06-07 Eastman Kodak Company Receivers with nonplanar support elements
US4387146A (en) * 1980-09-08 1983-06-07 Eastman Kodak Company Multicolor filters with nonplanar support elements
US4307165A (en) * 1980-10-02 1981-12-22 Eastman Kodak Company Plural imaging component microcellular arrays, processes for their fabrication, and electrographic compositions
CA1172497A (en) * 1980-10-14 1984-08-14 Hugh S.A. Gilmour Elements containing ordered wall arrays and processes for their fabrication
US5191834A (en) * 1988-10-14 1993-03-09 Man Roland Druckmaschinen Ag Printing system with printing form having a ferro-electric layer
US6815130B2 (en) * 2001-02-08 2004-11-09 Electrox Corporation Electrostatic printing plate possessing a tiered surface
US6779444B2 (en) * 2001-08-01 2004-08-24 Heidelberger Druckmaschinen Ag Printing form and process for producing the printing form
US20080192105A1 (en) * 2007-02-13 2008-08-14 Xerox Corporation Digital printing apparatus fittable in a flexographic printing system
CN115304757B (en) * 2022-07-20 2023-08-11 成都托展新材料股份有限公司 Block type ink resin and preparation method thereof

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2297691A (en) * 1939-04-04 1942-10-06 Chester F Carlson Electrophotography
US2338558A (en) * 1940-10-22 1944-01-04 Interchem Corp Method of making intaglio cylinders
NL195949A (en) * 1954-03-26
US2988988A (en) * 1957-03-18 1961-06-20 Haloid Xerox Inc Method of etching and dampening planographic printing plates and fountain solution therefor
DE1279467B (en) * 1962-03-09 1968-10-03 Zindler Lumoprint Kg Electrophotographic process for producing images and electrophotographic copier
US3363556A (en) * 1962-03-22 1968-01-16 Minnesota Mining & Mfg Electrophotographic imaging and copying process
LU17923A1 (en) * 1962-04-02
US3318698A (en) * 1963-05-03 1967-05-09 Xerox Corp Xeroprinting reproduction
BE631983A (en) * 1962-05-08
US3288604A (en) * 1964-09-03 1966-11-29 Xerox Corp Imaging method using an element having a glass overcoating
US3408183A (en) * 1965-01-18 1968-10-29 Xerox Corp Electrophotographic materials and methods employing photoconductive resinous charge transfer complexes
US3408181A (en) * 1965-01-18 1968-10-29 Xerox Corp Heat deformable recording materials containing photoconductive resinous charge transfer complexes
US3408184A (en) * 1965-01-18 1968-10-29 Xerox Corp Electrophotographic materials and methods employing photoconductive resinous charge transfers complexes
US3408182A (en) * 1965-01-18 1968-10-29 Xerox Corp Electrophotographic materials and methods employing photoconductive resinous charge transfer complexes
US3408186A (en) * 1965-01-18 1968-10-29 Xerox Corp Electrophotographic materials and methods employing photoconductive resinous charge transfer complexes
US3408185A (en) * 1965-01-18 1968-10-29 Xerox Corp Electrophotographic materials and method employing photoconductive resinous charge transfer complexes
US3364857A (en) * 1966-02-02 1968-01-23 Addressograph Multigraph Duplicating

Also Published As

Publication number Publication date
US3561358A (en) 1971-02-09
DE1597795A1 (en) 1970-06-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees