EP0786337A3 - Process for the imaging of erasable printing forms - Google Patents

Process for the imaging of erasable printing forms Download PDF

Info

Publication number
EP0786337A3
EP0786337A3 EP97100579A EP97100579A EP0786337A3 EP 0786337 A3 EP0786337 A3 EP 0786337A3 EP 97100579 A EP97100579 A EP 97100579A EP 97100579 A EP97100579 A EP 97100579A EP 0786337 A3 EP0786337 A3 EP 0786337A3
Authority
EP
European Patent Office
Prior art keywords
imaging
entire surface
printing form
fixed
particles
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
EP97100579A
Other languages
German (de)
French (fr)
Other versions
EP0786337B1 (en
EP0786337A2 (en
Inventor
Alfons Schuster
Michael Schönert
Alfred Dr. Hirt
Robert Weiss
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 EP0786337A2 publication Critical patent/EP0786337A2/en
Publication of EP0786337A3 publication Critical patent/EP0786337A3/en
Application granted granted Critical
Publication of EP0786337B1 publication Critical patent/EP0786337B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/12—Developers with toner particles in liquid developer mixtures
    • 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
    • B41C1/1066—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by spraying with powders, by using a nozzle, e.g. an ink jet system, by fusing a previously coated powder, e.g. with a laser
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/34—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the powder image is formed directly on the recording material, e.g. by using a liquid toner
    • G03G15/342—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the powder image is formed directly on the recording material, e.g. by using a liquid toner by forming a uniform powder layer and then removing the non-image areas

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)
  • Wet Developing In Electrophotography (AREA)
  • Printing Methods (AREA)
  • Fixing For Electrophotography (AREA)

Abstract

Gemäß der Erfindung wird ein Verfahren zum Bebildern einer Druckform (1) geschaffen, bei dem die Druckform (1) ganzflächig geladen wird und ganzflächig mit Partikeln (2), insbesondere Tonerpartikeln, beschichtet wird, die entgegengesetzt geladen sind. Anschließend wird die von den Partikeln (2) gebildete Schicht (4) bildmäßig durch einen Strahl (3), insbesondere durch einen Laserstrahl, insbesondere durch Infrarot-Strahlung, auf der Oberfläche der Druckform (1) fixiert oder bildmäßig ablatiert. Danach werden die nicht fixierten Anteile der Schicht (4) entfernt bzw. die nicht-ablatierten Anteile durch ganzflächige Wärmebehandlung fixiert.

Figure 00000001
According to the invention, a method for imaging a printing form (1) is created, in which the printing form (1) is loaded over the entire surface and coated over the entire surface with particles (2), in particular toner particles, which are charged in opposite directions. Subsequently, the layer (4) formed by the particles (2) is fixed imagewise by a beam (3), in particular by a laser beam, in particular by infrared radiation, on the surface of the printing form (1) or is ablated imagewise. The non-fixed parts of the layer (4) are then removed or the non-ablated parts are fixed by heat treatment over the entire surface.
Figure 00000001
EP97100579A 1996-01-24 1997-01-16 Process for the imaging of erasable printing forms Expired - Lifetime EP0786337B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19602328A DE19602328A1 (en) 1996-01-24 1996-01-24 Process for imaging an erasable printing form
DE19602328 1996-01-24

Publications (3)

Publication Number Publication Date
EP0786337A2 EP0786337A2 (en) 1997-07-30
EP0786337A3 true EP0786337A3 (en) 1998-02-11
EP0786337B1 EP0786337B1 (en) 2001-09-19

Family

ID=7783459

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97100579A Expired - Lifetime EP0786337B1 (en) 1996-01-24 1997-01-16 Process for the imaging of erasable printing forms

Country Status (5)

Country Link
US (1) US6796237B2 (en)
EP (1) EP0786337B1 (en)
JP (1) JP3190275B2 (en)
CA (1) CA2195826C (en)
DE (2) DE19602328A1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL122953A (en) * 1998-01-15 2000-11-21 Scitex Corp Ltd Printing member for use with a printing system and method of imaging the printing member
EP0974455B1 (en) * 1998-07-16 2003-09-03 Agfa-Gevaert Dry method for preparing a thermal lithographic printing plate precursor
US6244181B1 (en) 1998-07-16 2001-06-12 Agfa-Gevaert Dry method for preparing a thermal lithographic printing plate precursor
US6250225B1 (en) * 1998-07-16 2001-06-26 Agfa-Gevaert Thermal lithographic printing plate precursor with excellent shelf life
DE69931459T2 (en) * 1999-02-23 2006-12-07 Agfa-Gevaert Dry process for the preparation of a thermal planographic printing plate precursor
US6357353B1 (en) 1999-02-23 2002-03-19 Agfa-Gevaert Dry method for preparing a thermal lithographic printing plate precursor
DE19911906A1 (en) * 1999-03-17 2000-09-28 Wifag Maschf Illustration of a printing form for wet offset printing
DE19942409A1 (en) 1999-09-06 2001-03-08 Heidelberger Druckmasch Ag Burn-up pick-up roll in a platesetter
CA2384736A1 (en) * 1999-09-15 2001-03-22 Scitex Corporation Ltd. A plateless printing system
DE19947225A1 (en) * 1999-10-01 2001-04-12 Koenig & Bauer Ag Process for the treatment of printing plates in printing machines
DE69912792T2 (en) * 1999-11-03 2004-09-23 Agfa-Gevaert Negative working method for producing a lithographic printing plate without ablation
US6399280B1 (en) 1999-11-03 2002-06-04 Agfa-Gevaert Method for making a lithographic printing plate by a negative working non-ablative process
US6487970B2 (en) * 2000-01-18 2002-12-03 Agfa-Gevaert Method of lithographic printing with a reusable substrate
DE10008213B4 (en) * 2000-02-23 2005-12-08 Man Roland Druckmaschinen Ag Device for thermal energy coupling
DE10037998A1 (en) * 2000-08-04 2002-02-14 Heidelberger Druckmasch Ag Method and device for deleting a reimageable printing form
DE10039819A1 (en) * 2000-08-09 2002-02-21 Koenig & Bauer Ag Process for producing a printing form
JP2002365970A (en) * 2001-06-05 2002-12-20 Minolta Co Ltd Non-fixing type imaging method and device
US6742454B2 (en) * 2001-10-30 2004-06-01 Heidelberger Druckmaschinen Ag Method for modifying an image surface of a printing plate
US7121209B2 (en) * 2004-01-16 2006-10-17 Nandakumar Vaidyanathan Digital semiconductor based printing system and method
JP2011112871A (en) * 2009-11-26 2011-06-09 Canon Inc Printing apparatus and printing method
CN105050812B (en) * 2012-11-30 2016-09-07 惠普发展公司，有限责任合伙企业 Apply electric field to wipe the region of print media

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0099264A2 (en) * 1982-07-09 1984-01-25 Vickers Plc Improvements in or relating to printing plates
EP0101266A2 (en) * 1982-08-09 1984-02-22 Milliken Research Corporation Printing method and apparatus

Family Cites Families (24)

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Publication number Priority date Publication date Assignee Title
NL267570A (en) * 1960-07-27
US3607255A (en) * 1968-01-22 1971-09-21 Crown Zellerbach Corp Surfacing nonimage areas of lithographic master with hydrophilic desensitizing composition
US4020762A (en) * 1974-01-17 1977-05-03 Scott Paper Company Laser imaging a lanographic printing plate
US3921527A (en) * 1974-12-20 1975-11-25 Addressograph Multigraph Reusable printing master and method of making same
JPS51113629A (en) 1975-03-28 1976-10-06 Canon Inc Image formation method
US4204865A (en) * 1975-11-17 1980-05-27 Coulter Systems Corporation Direct-imaging flexible offset printing plate and method of manufacture
US4103616A (en) * 1977-04-27 1978-08-01 Xerox Corporation Elastomers and improved waterless lithographic printing masters
US4705696A (en) * 1984-09-27 1987-11-10 Olin Hunt Specialty Products Inc. Method of making a lithographic printing plate, printing plates made by the method, and the use of such printing plates to make lithographic prints
DE3713801A1 (en) 1987-04-24 1988-11-10 Forschungsgesellschaft Fuer Dr Printing forme material for lithoprinting
JPH03505307A (en) * 1988-02-26 1991-11-21 ジーメンス　アクチエンゲゼルシヤフト Method and apparatus for printing by thermal latent image coloring
DE3917844C1 (en) 1989-06-01 1990-10-31 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
JP2840386B2 (en) 1990-06-08 1998-12-24 三菱製紙株式会社 Electrophotographic wet reversal development method
JPH0497848A (en) 1990-08-16 1992-03-30 Mitsubishi Heavy Ind Ltd Offset printing method and printing press
JPH04134457A (en) 1990-09-27 1992-05-08 Fuji Photo Film Co Ltd Electrophotographic plate making machine
JPH04247472A (en) 1991-02-01 1992-09-03 Mitsubishi Heavy Ind Ltd Electrophotographic printing machine
US5213041A (en) 1991-06-28 1993-05-25 Man Roland Druckmaschinen Ag Method and system for fusing printing image deposits on surfaces of a printing substrate, and removal thereof for re-use of the surface
DE4123959C1 (en) * 1991-07-19 1993-02-04 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
FR2683766A1 (en) 1991-11-15 1993-05-21 Heidelberger Druckmasch Ag PRINTING MACHINE OF WHICH THE CUTTING CAN BE ELECTROCHEMICALLY MODIFIABLE.
DE4303872C2 (en) 1992-04-24 1995-08-10 Roland Man Druckmasch Printing machine with a forme cylinder and process for preparing the forme cylinder
US5351617A (en) * 1992-07-20 1994-10-04 Presstek, Inc. Method for laser-discharge imaging a printing plate
DE69324000T2 (en) * 1993-04-05 1999-10-14 Agfa Gevaert Nv Lithographic support and method for producing a lithographic printing form
DE4328058A1 (en) 1993-08-20 1995-02-23 Roland Man Druckmasch Printing machine with at least one exchangeable cylinder, in particular an exchangeable forme cylinder, or with an exchangeable printing form
JPH07290682A (en) 1994-04-26 1995-11-07 Dainippon Ink & Chem Inc Manufacture of lithographic printing plate
DE4426012C2 (en) 1994-07-22 1998-05-20 Roland Man Druckmasch Erasable printing form, its use and methods for erasing and regenerating the printing form

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0099264A2 (en) * 1982-07-09 1984-01-25 Vickers Plc Improvements in or relating to printing plates
EP0101266A2 (en) * 1982-08-09 1984-02-22 Milliken Research Corporation Printing method and apparatus

Also Published As

Publication number Publication date
CA2195826C (en) 2001-09-04
CA2195826A1 (en) 1997-07-25
DE19602328A1 (en) 1997-07-31
EP0786337B1 (en) 2001-09-19
US20030089260A1 (en) 2003-05-15
US6796237B2 (en) 2004-09-28
JP3190275B2 (en) 2001-07-23
JPH09201931A (en) 1997-08-05
EP0786337A2 (en) 1997-07-30
DE59704626D1 (en) 2001-10-25

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