EP1995061A2 - Procédé et dispositif de fabrication d'une image permanente et effaçable sur un bloc d'impression - Google Patents

Procédé et dispositif de fabrication d'une image permanente et effaçable sur un bloc d'impression Download PDF

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Publication number
EP1995061A2
EP1995061A2 EP08009312A EP08009312A EP1995061A2 EP 1995061 A2 EP1995061 A2 EP 1995061A2 EP 08009312 A EP08009312 A EP 08009312A EP 08009312 A EP08009312 A EP 08009312A EP 1995061 A2 EP1995061 A2 EP 1995061A2
Authority
EP
European Patent Office
Prior art keywords
imaging
fixing
printing
gummi
gumming
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Withdrawn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
EP08009312A
Other languages
German (de)
English (en)
Other versions
EP1995061A3 (fr
Inventor
Peer Dilling
Josef Götting
Thomas Hartmann
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
Manroland 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 Manroland AG filed Critical Manroland AG
Publication of EP1995061A2 publication Critical patent/EP1995061A2/fr
Publication of EP1995061A3 publication Critical patent/EP1995061A3/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Withdrawn legal-status Critical Current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
    • 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
    • B41N3/00—Preparing for use and conserving printing surfaces
    • B41N3/006—Cleaning, washing, rinsing or reclaiming of printing formes other than intaglio formes

Definitions

  • the invention relates to a method and an apparatus for producing a permanent and erasable image on a printing form.
  • the present invention relates to a method and an apparatus for producing a permanent and erasable image on such a rewritable and erasable printing form.
  • the applicant sells under the product name "DICOweb” digital printing machines that work with rewritable and erasable printing plates.
  • DICOweb digital printing machines that work with rewritable and erasable printing plates.
  • a printing form positioned on a form cylinder is preferably subjected to an erasing step and an imaging step. After imaging, fixing and conditioning of the printing forme takes place, wherein the conditioning can take place before or after fixing.
  • the conditioning of the printing form serves, among other things, to differentiate between printing and non-printing areas of the printing form and to make the non-printing areas of the printing form hydrophilic.
  • the present invention is based on the problem to provide a novel method for producing a permanent and erasable image on a printing plate.
  • the deletion takes place before the imaging, gumming and fixing.
  • Deletion of the surface is a process step that is performed temporally sequentially and spatially sequentially for imaging, gumming and fixing.
  • Imaging, gumming and fixation are temporally parallel but spatially sequential.
  • the present invention is based on the finding that although imaging, gumming and fixing can be parallelized in time, however, that the process step of erasing is not suitable for temporal parallelization. For example, erasing requires a relatively long process time compared to imaging, gumming and fixing, which, if erased in parallel with the other process steps, would significantly increase the overall process time.
  • the method according to the invention is therefore a partially sequential method for producing a permanent and erasable image on a printing form, in which only the process steps are carried out in parallel in time, which are suitable for temporal parallelization on the basis of their process parameters.
  • the inventive device for producing a permanent and erasable image on a printing form is defined in claim 2.
  • the Bebyungs driven, the gummi device and the fixing device in the longitudinal direction of the printing plate to be imaged and thus seen in the axial direction of the forme cylinder arranged side by side and movable in the axial direction of the forme cylinder along a traverse, so that the imaging and gumming and fixing in each case relative to each other in time parallel can be carried out spatially sequentially
  • the erasing device is arranged in the transverse direction of the printing forme and thus in the circumferential direction of the forme cylinder below or above the Becoungs owned, the gummi device and the fixing device, so that the imaging and the gumming and fixing relative to the deletion time sequentially and spatially sequential feasible.
  • Fig. 1 to 3 show a forme cylinder 10 of a printing press on which a to be imaged, rewritable and erasable printing form 11 is arranged.
  • a device according to the invention for producing a permanent and erasable image on the printing plate 11, wherein the device according to the invention comprises a deleting device 12 for deleting the arranged on the forme cylinder 10 printing plate 11, a Bereciungs recommended 13, a gummi device 14 and a fixing device 15.
  • the fixing device 15 serves for fixing and thus hardening of the imaging polymer applied to the printing form 11 with the aid of the imaging device 13.
  • Fig. 1 can be removed, the Bebyungs owned 13, the gummi device 14 and the fixing device 15 in the longitudinal direction of the printing plate 11 to be imaged and thus seen in the axial direction of the forme cylinder 10 are arranged side by side.
  • the imaging device 13, the rubber device 14 and the fixing device 15 are movably mounted on a traverse 16 and accordingly movable along the traverse 16 in the direction of the double arrow 17 in the axial direction of the forme cylinder 10 and thus in the longitudinal direction of the printing forme 11 to be imaged.
  • Imaging with the aid of the imaging device 13, the gumming with the aid of the gumming device 14 and the fixing with the aid of the fixing device 15 are therefore carried out in each case relative to each other temporally in parallel but spatially sequentially. Imaging, gumming and fixing takes place in each case on the surface areas of the printing plate 11 to be imaged, in the surroundings of which the imaging device 13, the rubber device 14 and the fixing device 15 are due to the movement of the same along the traverse 16.
  • the erasing device 12 is positioned below the imaging device 13, the gumming device 14 and the fixing device 15 in the transverse direction of the printing form 11 to be imaged and thus in the circumferential direction of the forme cylinder 10.
  • the erasing device can also be positioned above the imaging device, the gummi device and the fixing device in the circumferential direction of the forme cylinder.
  • the erasure is relative to imaging, gumming and fixing sequential in time and spatially sequential. Only after the complete deletion of the printing plate 11 takes place according to the time parallelized imaging, gumming and fixing the same.
  • Extinguishing device 12 thus has a width which corresponds to the axial extent of the forme cylinder 10 or the longitudinal extension of the printing forme 11.
  • the erasing can therefore take place over the entire axial extent of the forme cylinder and thus over the entire longitudinal extent of the printing form 10 full width.
  • the imaging device 13, the gummi device 14 and the fixing device 15 are positioned on a common carriage and thus moved together along a common drive along the traverse.
  • the imaging device, the rubber device and the fixing device it is also possible for the imaging device, the rubber device and the fixing device to be positioned on individual carriages and thus moved individually along the traverse, with each carriage then preferably being assigned a separate drive.
  • the imaging device 13, the gummi device 14 and the fixing device 15 may be either rigidly fixed to the respective carriage or movably mounted on the respective carriage, so that the imaging device 13, the gummi device 14 and the fixing device 15 perpendicular to the axial direction of the forme cylinder 10 of the To be imaged printing form 11 ab suit or to the same be adjusted.
  • the present invention accordingly provides an apparatus and a method for producing a permanent and erasable image on a printing form with a rewritable and erasable surface, in which the process steps of imaging, gumming and fixing are carried out temporally parallel and spatially sequential, wherein a process step of However, deletion relative to imaging, gumming and fixation occurs both temporally and spatially sequentially.
  • the process is carried out within the printing press.
  • the erasing device 12, the imaging device 13, the gummi device 14 and the fixing device 15 are accordingly integrated in the printing machine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Printing Methods (AREA)
EP08009312A 2007-05-25 2008-05-21 Procédé et dispositif de fabrication d'une image permanente et effaçable sur un bloc d'impression Withdrawn EP1995061A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007024611A DE102007024611A1 (de) 2007-05-25 2007-05-25 Verfahren und Vorrichtung zur Herstellung eines permanenten sowie löschbaren Bilds auf einer Druckform

Publications (2)

Publication Number Publication Date
EP1995061A2 true EP1995061A2 (fr) 2008-11-26
EP1995061A3 EP1995061A3 (fr) 2010-10-27

Family

ID=39616984

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08009312A Withdrawn EP1995061A3 (fr) 2007-05-25 2008-05-21 Procédé et dispositif de fabrication d'une image permanente et effaçable sur un bloc d'impression

Country Status (3)

Country Link
US (1) US20090126590A1 (fr)
EP (1) EP1995061A3 (fr)
DE (1) DE102007024611A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10032703A1 (de) 2000-07-05 2002-01-17 Koenig & Bauer Ag Verfahren und Einrichtung in Druckmaschinen zum Bebildern von Oberflächen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4123959C1 (fr) * 1991-07-19 1993-02-04 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
US6723491B2 (en) * 2000-07-05 2004-04-20 Kba (Advanced Imaging Technology) (Israel) Limited Utilizing UV to form and decompose a printing member
US20030113437A1 (en) * 2001-12-17 2003-06-19 Fernando Lopes Metered application of imageable media
DE102004022087A1 (de) * 2004-05-05 2005-12-01 Man Roland Druckmaschinen Ag Verfahren und Vorrichtung zur Herstellung von Druckformen
DE102005028817A1 (de) * 2005-06-22 2007-01-11 Man Roland Druckmaschinen Ag Verfahren zur Herstellung von Druckformen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10032703A1 (de) 2000-07-05 2002-01-17 Koenig & Bauer Ag Verfahren und Einrichtung in Druckmaschinen zum Bebildern von Oberflächen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Handbuch der Printmedien", 2000, SPRINGER-VERLAG, pages: 674 - 680

Also Published As

Publication number Publication date
EP1995061A3 (fr) 2010-10-27
DE102007024611A1 (de) 2008-11-27
US20090126590A1 (en) 2009-05-21

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