EP1593496A2 - Procédé et dispositif pour réaliser des surfaces d'impression - Google Patents

Procédé et dispositif pour réaliser des surfaces d'impression Download PDF

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Publication number
EP1593496A2
EP1593496A2 EP05009527A EP05009527A EP1593496A2 EP 1593496 A2 EP1593496 A2 EP 1593496A2 EP 05009527 A EP05009527 A EP 05009527A EP 05009527 A EP05009527 A EP 05009527A EP 1593496 A2 EP1593496 A2 EP 1593496A2
Authority
EP
European Patent Office
Prior art keywords
imaging
fixing
erasing
conditioning
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.)
Withdrawn
Application number
EP05009527A
Other languages
German (de)
English (en)
Other versions
EP1593496A3 (fr
Inventor
Andreas Dr. Berchtold
Peer Dilling
Johann Königer
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 EP1593496A2 publication Critical patent/EP1593496A2/fr
Publication of EP1593496A3 publication Critical patent/EP1593496A3/fr
Withdrawn legal-status Critical Current

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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
    • B41C1/1075—Mechanical aspects of on-press plate preparation
    • 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
    • B41C1/1041—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by modification of the lithographic properties without removal or addition of material, e.g. by the mere generation of a lithographic pattern
    • 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
    • B41C1/1083—Mechanical aspects of off-press plate preparation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/70—Forming the printing surface directly on the form cylinder

Definitions

  • the invention relates to a method for the production of printing plates according to the The preamble of claim 1 or 11. Furthermore, the invention relates to a Apparatus for the production of printing plates according to the preamble of the claim 13th
  • the invention relates to a method and a device for producing a permanent as well as erasable image on such a rewritable Printing form.
  • DICOweb Printing machines with rewritable and erasable printing plates work.
  • printing plates is preferably a Printing form base cylinder subjected to an erasing step and a Berithungs Colour.
  • An erasable device useful in erasing such a printing form is disclosed, for example, in DE 100 08 214 A1.
  • DE 100 23 319 A1 discloses a device for imaging such printing forms.
  • Further basic features of the DICOweb technology can be referred to "Handbuch der Printmedien, Helmut Kipphan, pages 674 - 680, year 2000, Springer-Verlag".
  • the deletion of the printing form takes place over the entire Length of the same in one step and decoupled from the artwork. hereby arise on the one hand large designs for a device for the production of Printing forms and thus the printing press, on the other hand takes the delete as well subsequent imaging of such a printing for a long time.
  • the present invention is based on the problem, a to provide a novel process for the production of printing plates.
  • the imaged surface is fixed and after or before Fixing is carried out conditioning the imaged surface, wherein the conditioning as well as deleting, imaging and fixing in sections is performed on the entire surface of the printing plate.
  • According to a preferred embodiment of the invention are for deleting and Imaging and optionally fixing and conditioning appropriate facilities in the longitudinal direction of the stationary printing form on the entire surface the same moves past, taking all the editing of the whole Surface sections and at least some of the processing steps parallelized be performed.
  • Another embodiment of the method according to the invention is independent Claim 11 defined.
  • the inventive device for producing a permanent and erasable Image on a surface of a printing plate has at least one Erase device for deleting the surface and an imaging device for imaging the erased surface, wherein according to the invention the extinguishing device and the imaging device are designed such that the deletion and imaging along the entire printing form or the entire surface the same sections and preferably carried out in parallel is.
  • the offset printing variant DICOweb technology is also known as "DICOweb litho" becomes.
  • a printing plate 10 with a rewritable Surface 11 is provided, wherein to provide the permanent and erasable image on the surface of the printing form erasing the surface 11, a picture of the erased surface 11 and a fixing and optionally conditioning the imaged surface.
  • the rewritable printing form 10 preferably has a cylindrical Surface 11, wherein a longitudinal center axis of the printing plate 10 in Fig. 1 with the reference numeral 12 is numbered.
  • All Process steps for the production of the printing form ie the deletion, the imaging, Fixing and conditioning along the entire surface 11 of the printing form 10 performed in sections.
  • Fig. 1 comprises a device for implementation of the method, a deleting device 13 for deleting the surface 11 of Printing form 10, an imaging device 14 for imaging the erased surface, a fixing device 15 for fixing the imaged surface as well a conditioning device 16 for conditioning the imaged surface.
  • the imaging device 14 comprises a thermal transfer ribbon 17 and a Laser source 18. All devices 13, 14, 15 and 16 are according to the embodiment 1 and 2 attached to a common platform 19, the platform 19 together with all the devices 13, 14, 15 and 16 in Longitudinal along the entire printing forme 10 relative to the same movable is, namely along a parallel to the longitudinal central axis 12 of the printing plate 10th extending crossbar 20.
  • the erasing as well as the imaging of the surface 11 of the printing form 10 performed in parallel, namely while visualized in Fig. 1 with the arrow 21 Relative movement between the corresponding institutions and the printing form 10.
  • the devices 13 to 16 positioned on the platform 19 along the in Longitudinally fixed, but rotating printing form 10 of a first End 22 moves to a second end 23 of the printing plate 10.
  • the relative movement in the sense of arrow 21 therefore extends over the entire length of Printing form 10.
  • a printing forme 10 under a fixed printing form a printing forme 10 is to be understood, whose axial position in the direction of Longitudinal central axis 12 at least during the conversion of the same immutable is. It goes without saying that such a stationary printing form 10 um its longitudinal central axis 12 rotates and thus a rotational movement about the Longitudinal central axis 12 when deleting, imaging, conditioning and fixing the Surface 11 of the printing form 10 performs.
  • the extinguishing device 13 may comprise a narrow cleaning cloth 25, this cleaning cloth 25 in the longitudinal direction of the printing form 10 is moved past the same and wherein the cleaning cloth 25 and the surface to be cleaned 11 of the Printing form 10 cleaning media are supplied.
  • the cleaning medium can For example, be designed as alkaline, water-based cleaning fluid and detach an old artwork from the entire surface 11 of the printing form. The image removed with the cleaning medium is removed from the cleaning cloth recorded, with correspondingly dirty cleaning cloth wound up on a dirt roller and for further cleaning the Printing form 10 Fresh towel is unwound from a fresh towel roll.
  • cleaning fluids can also be powdered or granular Cleaning agents, cleaning gases or cleaning vapors and cleaning plasmas in the direction of the cleaning cloth or the surface to be deinked 11 of the printing form 10 are moved.
  • cleaning cloth can also be a Brush or grinding wheel are moved past the printing plate 10.
  • Imaging the erased or de-imaged surface 11 of the printing form 10 is preferably carried out using the thermal transfer ribbon shown in FIGS. 1 and 2 17, wherein the thermal transfer ribbon 17 with the surface 11 of the Printing plate 10 is brought into contact and using a pictorial modulated laser beam, the transfer material in the contact zone between the Thermal transfer ribbon 17 and the surface 11 of the printing plate 10 on the printing plate 10 is applied.
  • the fixing of the imaged surface 11 of the printing form 10 is preferably carried out by thermal means. It is possible for thermal fixation, the surface 11 of the printing plate 10 during the already described relative movement in the longitudinal direction of the printing plate 10, for example, inductively, by thermal radiation, to heat by forced convection or by laser radiation.
  • the conditioning of the imaged surface is either after fixing or before fixing the imaged surface, wherein for conditioning a conditioning medium in the region of the imaged surface 11 of Printing form 10 is applied.
  • the conditioning medium can be used using be supplied to the already mentioned cleaning cloth 25 or collected. Also, spraying or applying the conditioning medium via a roll or Brush is possible. The choice of a suitable conditioning medium is incumbent the expert mentioned here.
  • the present invention all sub-steps for producing a permanent and erasable image on a rewritable surface of a Printing form sections are performed along the entire surface. This is done by establishing a translational relative movement between the facilities required for this purpose and the entire surface 11 of the Printing form 10, wherein preferably the means 13 to 16 for erasing, imaging, Fixing and conditioning translationally on the entire surface 11 the printing form 10 are moved past. The printing plate 10 then performs a rotational movement about its longitudinal central axis 12.
  • a second Aspect of the present invention take place at least some of the sub-steps parallelization. If both sub-aspects are combined, then on the one hand a reduced design for the device according to the invention and on the other hand the process according to the invention can take place within a short period of time be executed.
  • the inventive Process can also be carried out in the production of a gravure printing plate.
  • the gravure alternative of DICOweb technology is also called “DICOweb Gravure ".
  • this embodiment of the method according to the invention takes place after the Clear and fill before imaging the surface of the gravure printing form cup-shaped depressions on the surface of the printing plate preferably using a squeegee.
  • the deleting, filling and imaging of the printing form are again in sections over the entire surface carried out, in turn, this a relative movement in the longitudinal direction of the printing form between the printing plate and the corresponding means for pressure control of the deletion, filling and picturing is established. It is also possible, at least some of these sub-steps to parallelize again.
  • each printing unit of a printing press in the area of each rewritable Printing form a device according to the invention with the facilities 13 to 20 integrated.
  • the method is therefore preferably within the printing machine performed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Electronic Switches (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
EP05009527A 2004-05-05 2005-04-30 Procédé et dispositif pour réaliser des surfaces d'impression Withdrawn EP1593496A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004022087 2004-05-05
DE102004022087A DE102004022087A1 (de) 2004-05-05 2004-05-05 Verfahren und Vorrichtung zur Herstellung von Druckformen

Publications (2)

Publication Number Publication Date
EP1593496A2 true EP1593496A2 (fr) 2005-11-09
EP1593496A3 EP1593496A3 (fr) 2006-06-07

Family

ID=34936003

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05009527A Withdrawn EP1593496A3 (fr) 2004-05-05 2005-04-30 Procédé et dispositif pour réaliser des surfaces d'impression

Country Status (6)

Country Link
US (1) US20050247225A1 (fr)
EP (1) EP1593496A3 (fr)
JP (1) JP4372718B2 (fr)
CN (1) CN1693069A (fr)
CA (1) CA2506345C (fr)
DE (1) DE102004022087A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1629991A3 (fr) * 2004-08-28 2009-03-11 manroland AG Procedure et dispositif d'effacement d'images sur une plaque d'impression

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007050637A (ja) * 2005-08-19 2007-03-01 Fujifilm Corp 製版装置
DE102007024611A1 (de) * 2007-05-25 2008-11-27 Manroland Ag Verfahren und Vorrichtung zur Herstellung eines permanenten sowie löschbaren Bilds auf einer Druckform

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10008214A1 (de) 2000-02-23 2001-08-30 Roland Man Druckmasch Lösch- und Reinigungsvorrichtung für Zylinder, insbesondere Druckform- und Gummituchzylinder einer Druckmaschine
DE10023319A1 (de) 2000-05-12 2001-11-15 Roland Man Druckmasch Kassette für Thermotransferband zum Bebildern von Druckformen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5713287A (en) * 1995-05-11 1998-02-03 Creo Products Inc. Direct-to-Press imaging method using surface modification of a single layer coating
US6180325B1 (en) * 1999-06-23 2001-01-30 Creo Srl Method for masking and exposing photosensitive printing plates
DE19939240C2 (de) * 1999-08-18 2002-09-26 Roland Man Druckmasch Verfahren und Vorrichtung zum reversiblen Bebildern einer Druckform
DE10032703A1 (de) * 2000-07-05 2002-01-17 Koenig & Bauer Ag Verfahren und Einrichtung in Druckmaschinen zum Bebildern von Oberflächen
DE10039817A1 (de) * 2000-08-09 2002-02-21 Koenig & Bauer Ag Bilderzeugungseinrichtung
DE10045682A1 (de) * 2000-09-15 2002-03-28 Koenig & Bauer Ag Einrichtung zum Bebildern von zylindrischen Oberflächen in Druckmaschinen
DE10054284B4 (de) * 2000-11-02 2010-04-08 Manroland Ag Verfahren zur Behandlung einer löschbaren lithographischen Druckform

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10008214A1 (de) 2000-02-23 2001-08-30 Roland Man Druckmasch Lösch- und Reinigungsvorrichtung für Zylinder, insbesondere Druckform- und Gummituchzylinder einer Druckmaschine
DE10023319A1 (de) 2000-05-12 2001-11-15 Roland Man Druckmasch Kassette für Thermotransferband zum Bebildern von Druckformen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1629991A3 (fr) * 2004-08-28 2009-03-11 manroland AG Procedure et dispositif d'effacement d'images sur une plaque d'impression

Also Published As

Publication number Publication date
JP2005319795A (ja) 2005-11-17
DE102004022087A1 (de) 2005-12-01
CA2506345A1 (fr) 2005-11-05
CN1693069A (zh) 2005-11-09
EP1593496A3 (fr) 2006-06-07
JP4372718B2 (ja) 2009-11-25
CA2506345C (fr) 2009-01-13
US20050247225A1 (en) 2005-11-10

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