CA2000343A1 - Electrostatically controllable printing form - Google Patents

Electrostatically controllable printing form

Info

Publication number
CA2000343A1
CA2000343A1 CA2000343A CA2000343A CA2000343A1 CA 2000343 A1 CA2000343 A1 CA 2000343A1 CA 2000343 A CA2000343 A CA 2000343A CA 2000343 A CA2000343 A CA 2000343A CA 2000343 A1 CA2000343 A1 CA 2000343A1
Authority
CA
Canada
Prior art keywords
printing
toner
ink
ferroelectric material
charged
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
CA2000343A
Other languages
French (fr)
Other versions
CA2000343C (en
Inventor
Hartmut Fuhrmann
Alfred Hirt
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.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen AG
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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of CA2000343A1 publication Critical patent/CA2000343A1/en
Application granted granted Critical
Publication of CA2000343C publication Critical patent/CA2000343C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B41C1/10—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
    • B41C1/1058—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by providing a magnetic pattern, a ferroelectric pattern or a semiconductive pattern, e.g. by electrophotography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/006—Printing plates or foils; Materials therefor made entirely of inorganic materials other than natural stone or metals, e.g. ceramics, carbide materials, ferroelectric materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)
  • Printing Methods (AREA)
  • Wet Developing In Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Color Electrophotography (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)

Abstract

To provide an electrically controllable printing form, on which the printing image is retained even upon repeated application of printing toner or printing ink formed of toner suspended in a carrier liquid, the printing form (10) has a surface layer (12) of ferroelectric material or, if a gravure form (40), the cells (31) have a bottom (32) of ferroelectric material. The form is programmed under control of a control unit (13, 13') by an electrode (14, 14') which selectively polarizes the ferroelectric material. Upon application of electrically charged toner or ink, the ink or toner particles which are charged oppositely to the polarization of the ferroelectric layer or bottom will be retained, the equally charged particles repelled, so that, by selective positive or negative polarization, two-color printing can be effected at one pass of a printing substrate over the form.
CA002000343A 1988-10-14 1989-10-10 Electrostatically controllable printing form Expired - Fee Related CA2000343C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3835091A DE3835091A1 (en) 1988-10-14 1988-10-14 PRINTING FORM
DEP3835091.2 1988-10-14

Publications (2)

Publication Number Publication Date
CA2000343A1 true CA2000343A1 (en) 1990-04-14
CA2000343C CA2000343C (en) 1996-10-29

Family

ID=6365159

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002000343A Expired - Fee Related CA2000343C (en) 1988-10-14 1989-10-10 Electrostatically controllable printing form

Country Status (4)

Country Link
EP (1) EP0363932B1 (en)
JP (1) JP2708066B2 (en)
CA (1) CA2000343C (en)
DE (2) DE3835091A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5213931A (en) * 1990-05-24 1993-05-25 Man Roland Druckmaschinen Ag Method and means for hydraulic meniscus toning of ferro electric materials
AU7970591A (en) * 1990-05-31 1991-12-31 Ludwig Bartl Process and device for printing variable information
DE4140996C2 (en) * 1991-12-12 2001-10-11 Fogra Forschungsgesellschaft D Electrophotographic printing process, printing form and process for producing this printing form
DE4328037A1 (en) 1993-08-20 1995-03-02 Roland Man Druckmasch Printing process with ferroelectrics
DE19521187C2 (en) * 1995-06-10 1997-08-07 Fraunhofer Ges Forschung Use of a ferroelectric ceramic material for information storage in electrostatic printing processes
DE19601586C1 (en) * 1996-01-18 1997-07-10 Roland Man Druckmasch Ferroelectric printing form production method
US6146798A (en) * 1998-12-30 2000-11-14 Xerox Corporation Printing plate with reversible charge-controlled wetting
DE10052853A1 (en) * 2000-10-25 2002-05-08 Anton Rodi Relief pattern of pixel elements are produced on the surface of a polycrystalline ceramic
DE10125545A1 (en) * 2001-05-23 2002-11-28 Heidelberger Druckmasch Ag Printing method and device
WO2007099848A1 (en) * 2006-03-02 2007-09-07 Kabushiki Kaisha Toshiba Cleaning apparatus, cleaning method, pattern forming apparatus and pattern forming method
EP1995060A1 (en) * 2007-05-22 2008-11-26 Ernst-Rudolf Dr. Weidlich Method for influencing the colour content and/or colour dispensing ability of printing plates and printing device
EP3900934B1 (en) * 2020-04-21 2022-05-18 Flooring Technologies Ltd. Device for generating a print on a printing material and method for producing a plurality of cavities on a printing form with a magnetic raster

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1127830A (en) * 1965-10-24 1968-09-18 Continental Can Co Apparatus for intaglio electrostatic printing
CA1001704A (en) * 1968-11-15 1976-12-14 Thomas D. Kittredge Apparatus for aperture controlled electrostatic image reproduction or constitution
GB1311673A (en) * 1969-03-12 1973-03-28 Masson Scott Thrissell Eng Ltd Methods and apparatus for electrostatic printing or copying
US3765330A (en) * 1971-01-06 1973-10-16 Xerox Corp Xeroprinting employing letterpress surface covered with a layer of resistive material
US3801315A (en) * 1971-12-27 1974-04-02 Xerox Corp Gravure imaging system
US3951533A (en) * 1974-09-20 1976-04-20 Xerox Corporation Color image reproduction system
DE3633758A1 (en) * 1986-10-03 1988-04-07 Man Technologie Gmbh PRINTING MACHINE
GB2198085B (en) * 1986-11-29 1991-02-13 Stc Plc Printing apparatus and process
JP2581059B2 (en) * 1987-03-09 1997-02-12 ミノルタ株式会社 Latent image writing method and image forming method using the same
JPS63220259A (en) * 1987-03-10 1988-09-13 Ricoh Co Ltd Image forming method

Also Published As

Publication number Publication date
DE3835091C2 (en) 1991-06-06
DE58909754D1 (en) 1997-01-23
EP0363932B1 (en) 1996-12-11
DE3835091A1 (en) 1990-04-19
JP2708066B2 (en) 1998-02-04
CA2000343C (en) 1996-10-29
EP0363932A2 (en) 1990-04-18
JPH02217871A (en) 1990-08-30
EP0363932A3 (en) 1990-11-22

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed