EP1167023A1 - Method and means for applying imageable layers in printing machines - Google Patents

Method and means for applying imageable layers in printing machines Download PDF

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Publication number
EP1167023A1
EP1167023A1 EP01114000A EP01114000A EP1167023A1 EP 1167023 A1 EP1167023 A1 EP 1167023A1 EP 01114000 A EP01114000 A EP 01114000A EP 01114000 A EP01114000 A EP 01114000A EP 1167023 A1 EP1167023 A1 EP 1167023A1
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EP
European Patent Office
Prior art keywords
cylinder
image information
printing
printing form
rubber cylinder
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
EP01114000A
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German (de)
French (fr)
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EP1167023B1 (en
Inventor
Arndt Jentzsch
Klaus Schanze
Franz Simon
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Koenig and Bauer AG
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Koenig and Bauer AG
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Publication of EP1167023A1 publication Critical patent/EP1167023A1/en
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    • 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
    • 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 and a device in printing machines for application layers carrying image information, the printing press having an impression cylinder, with a rubber cylinder and one with an inking unit and possibly with a Dampening unit interacting printing form cylinder is equipped.
  • DE 195 08 843 A1 describes a method for imaging or for imaging and neutralization of a printing plate of a printing form cylinder of a printing press described.
  • the print image information to be applied to the printing plate is located here in digital form.
  • To use the printing plate in the printing press is a Medium carrying print image information is applied to the printing plate and after the Printing process replaced.
  • From the document DE 44 30 555 is a method for imaging a printing form cylinder or for imaging a printing plate of a printing form cylinder in a printing press known.
  • a medium carrying print image information is placed on the printing plate applied. This is done here by image-controlled heating of the surface of a Transfer ribbon by laser beams.
  • the transfer belt is between the laser head and continuously pulled through the surface of the printing form cylinder or the printing form while moving traversing with the laser writing head.
  • the object is solved by the features of the first and the tenth claim.
  • the invention has the advantage that there is now sufficient space for the device for application of the coating material is available.
  • the accompanying drawing shows a printing unit 1 of a multicolor sheet-fed offset rotary printing press.
  • Each printing unit 1 contains an impression cylinder as a sheet-guiding cylinder 2 and a transfer cylinder 3 and as a print image transfer cylinder Printing form cylinder 4 and a blanket cylinder 5.
  • the blanket cylinder 5 is from the impression cylinder 2 and / or from the printing form cylinder 4.
  • An inking unit 6 and a dampening unit 7 are assigned to each printing form cylinder 4.
  • the inking unit 6 and the dampening unit 7 are equipped with devices, not shown here, which make it possible to lift them off the printing form cylinder 4.
  • a printing form (not shown here) can also be stretched.
  • the rubber cylinder 5 has an imaging device 8 and a washing device 9 assigned.
  • the washing device 9 can be made movable, so that it is next to the cleaning of the blanket cylinder 5 can also be used for cleaning the printing form cylinder 4 is.
  • the rubber cylinder 5 is turned off by the impression cylinder 2.
  • the active connection from the blanket cylinder 5 to the printing form cylinder 4 is additionally interrupted.
  • the imaging device 8 the image information is then carried Medium applied to the surface of the blanket cylinder 5. This can be done as below shown, done in different ways:
  • the imaging device 8 which is designed here as an ink jet device the medium carrying the image information directly onto the surface of the rubber cylinder 5 or applied to the surface of a sleeve stretched on the rubber cylinder 5. Only the areas that are to transmit image information are exposed to the medium.
  • the imaging head traverses in the axial direction and transfers line by line to the surface of the rubber cylinder 5 or to the sleeve.
  • the medium carrying the image information is applied on the blanket cylinder 5 via an imaging device 8, which as one with a Laser cooperating transfer film is formed.
  • an imaging device 8 which as one with a Laser cooperating transfer film is formed.
  • the imaging device also moves here 8 traversing in the axial direction to the blanket cylinder 5.
  • the surface is created by a laser device of the blanket cylinder 5 or the sleeve temporarily illustrated. This creates color-repellent and color-receiving areas as carriers of the image information. In a subsequent one Coating process, preferably by means of a chamber doctor blade (not shown), only the ink-absorbing areas accept the medium. The one created in this way Layer is now the carrier of the image information.
  • the medium carrying the image information onto the printing form cylinder 4 transfer. If the blanket cylinder 5 is not turned off from the printing form cylinder 4, in the course of the imaging, the medium on the printing form cylinder 4 or on the Printing form cylinder 4 transferred clamped printing form. With the printing form cylinder switched off 4 is transferred to the blanket cylinder after the medium carrying the image information has been transferred 5 the operative connection between the blanket cylinder 5 and the forme cylinder 4 again produced and the medium transferred to the printing form cylinder 4.
  • the color and Dampening unit 6; 7 turned off from the printing form cylinder 4.
  • a value is selected which is based on the rheological properties of the coating material is dependent.
  • the speed is also adjusted.
  • washing device 9 is preferably used, the position of which can be moved. With this washing device 9, it is then also possible, in addition to the medium remaining on the rubber cylinder 5, to also wash off the medium carrying the image information from the printing form cylinder 4 after the printing process has taken place. In the third variant described above (temporary imaging, subsequent coating), washing can be omitted if suitable media are used.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Rotary Presses (AREA)
  • Ink Jet (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The inking (6) and moistening mechanisms (7) are geared from the printing cylinder (4) and the rubber cylinder (5) from the pressure cylinder (2). The medium carrying the image information is coated onto the rubber cylinder using e.g. a digital ink-jet printer (8). The rubber cylinder completes the transfer, onto the printing cylinder. An Independent claim is included for corresponding printing equipment.

Description

Die Erfindung betrifft ein Verfahren und eine Einrichtung in Druckmaschinen zum Aufbringen von Bildinformationen tragenden Schichten, wobei die Druckmaschine mit einem Gegendruckzylinder, mit einem Gummizylinder und einem mit einem Farbwerk und ggf. mit einem Feuchtwerk zusammenwirkenden Druckformzylinder ausgestattet ist.The invention relates to a method and a device in printing machines for application layers carrying image information, the printing press having an impression cylinder, with a rubber cylinder and one with an inking unit and possibly with a Dampening unit interacting printing form cylinder is equipped.

In der Druckschrift DE 195 08 843 A1 wird ein Verfahren zur Bebilderung bzw. zur Bebilderung und Neutralisation einer Druckplatte eines Druckformzylinders einer Druckmaschine beschrieben. Hierbei liegen die auf die Druckplatte aufzubringenden Druckbildinformationen in digitaler Form vor. Zur Verwendung der Druckplatte in der Druckmaschine wird ein die Druckbildinformationen tragendes Medium auf die Druckplatte aufgebracht und nach dem Druckprozess wieder abgelöst.DE 195 08 843 A1 describes a method for imaging or for imaging and neutralization of a printing plate of a printing form cylinder of a printing press described. The print image information to be applied to the printing plate is located here in digital form. To use the printing plate in the printing press is a Medium carrying print image information is applied to the printing plate and after the Printing process replaced.

Aus der Druckschrift DE 44 30 555 ist ein Verfahren zur Bebilderung eines Druckformzylinders bzw. zur Bebilderung einer Druckplatte eines Druckformzylinders in einer Druckmaschine bekannt. Dabei wird ein Druckbildinformationen tragendes Medium auf die Druckplatte aufgebracht. Das geschieht hier durch bildmäßig gesteuerte Erwärmung der Oberfläche eines Transferbandes durch Laserstrahlen. Das Transferband wird zwischen dem Laserkopf und der Oberfläche des Druckformzylinders bzw. der Druckform kontinuierlich hindurchgezogen und dabei traversierend mit dem Laserschreibkopf bewegt.From the document DE 44 30 555 is a method for imaging a printing form cylinder or for imaging a printing plate of a printing form cylinder in a printing press known. A medium carrying print image information is placed on the printing plate applied. This is done here by image-controlled heating of the surface of a Transfer ribbon by laser beams. The transfer belt is between the laser head and continuously pulled through the surface of the printing form cylinder or the printing form while moving traversing with the laser writing head.

Nachteilig an den oben genannten Lösungen ist, dass der Einbauraum für die Einrichtung zum Aufbringen des Mediums stark beschränkt ist.A disadvantage of the solutions mentioned above is that the installation space for the device for applying the medium is severely limited.

Ausgehend von diesem Stand der Technik ist es Aufgabe der Erfindung, ein Verfahren und eine Einrichtung zu schaffen, die in der Druckmaschine eine schnelle und ohne großen Aufwand zu bewerkstelligende Bebilderung der Druckformen oder des Druckformzylinders in der Druckmaschine ermöglichen.Based on this prior art, it is an object of the invention, a method and To create a facility that is quick and easy in the press Imaging of the printing formes or the printing form cylinder in the Enable printing press.

Erfindungsgemäß wird die Aufgabe durch die Merkmale des 1. und des 10. Anspruchs gelöst.According to the invention the object is solved by the features of the first and the tenth claim.

Die Erfindung hat den Vorteil, dass nunmehr ausreichend Platz für die Einrichtung zum Aufbringen des Beschichtungsmaterials zur Verfügung steht. The invention has the advantage that there is now sufficient space for the device for application of the coating material is available.

Anhand eines Ausführungsbeispieles soll die Erfindung nachfolgend näher erläutert werden.The invention will be explained in more detail below using an exemplary embodiment.

Die dazugehörige Zeichnung zeigt ein Druckwerk 1 einer Mehrfarben-Bogenoffsetrotationsdruckmaschine. Jedes Druckwerk 1 enthält als bogenführende Zylinder einen Gegendruckzylinder 2 und einen Übergabezylinder 3 und als druckbildübertragende Zylinder einen Druckformzylinder 4 und einen Gummizylinder 5. Der Gummizylinder 5 ist vom Gegendruckzylinder 2 und/oder vom Druckformzylinder 4 abstellbar.The accompanying drawing shows a printing unit 1 of a multicolor sheet-fed offset rotary printing press. Each printing unit 1 contains an impression cylinder as a sheet-guiding cylinder 2 and a transfer cylinder 3 and as a print image transfer cylinder Printing form cylinder 4 and a blanket cylinder 5. The blanket cylinder 5 is from the impression cylinder 2 and / or from the printing form cylinder 4.

Jedem Druckformzylinder 4 ist ein Farbwerk 6 und ein Feuchtwerk 7 zugeordnet. Das Farbwerk 6 und das Feuchtwerk 7 sind mit hier nicht dargestellten Einrichtungen ausgestattet, die deren Abheben vom Druckformzylinder 4 möglich machen. Auf dem Druckformzylinder 4 kann auch eine (hier nicht dargestellte) Druckform aufgespannt sein.An inking unit 6 and a dampening unit 7 are assigned to each printing form cylinder 4. The inking unit 6 and the dampening unit 7 are equipped with devices, not shown here, which make it possible to lift them off the printing form cylinder 4. On the printing form cylinder 4 a printing form (not shown here) can also be stretched.

Dem Gummizylinder 5 sind eine Bebilderungseinrichtung 8 und eine Wascheinrichtung 9 zugeordnet. Die Wascheinrichtung 9 kann verfahrbar ausgeführt sein, so dass diese neben der Reinigung des Gummizylinders 5 auch für die Reinigung des Druckformzylinders 4 einsetzbar ist.The rubber cylinder 5 has an imaging device 8 and a washing device 9 assigned. The washing device 9 can be made movable, so that it is next to the cleaning of the blanket cylinder 5 can also be used for cleaning the printing form cylinder 4 is.

Das erfindungsgemäße Verfahren wird wie folgt realisiert:The method according to the invention is implemented as follows:

Der Gummizylinder 5 wird vom Gegendruckzylinder 2 abgestellt. In einer Ausführungsform wird zusätzlich die Wirkverbindung vom Gummizylinder 5 zum Druckformzylinder 4 unterbrochen. Durch die Bebilderungseinrichtung 8 wird dann ein die Bildinformationen tragendes Medium auf die Oberfläche des Gummizylinders 5 aufgebracht. Das kann, wie nachfolgend dargestellt, auf verschiedene Art erfolgen:The rubber cylinder 5 is turned off by the impression cylinder 2. In one embodiment the active connection from the blanket cylinder 5 to the printing form cylinder 4 is additionally interrupted. By means of the imaging device 8, the image information is then carried Medium applied to the surface of the blanket cylinder 5. This can be done as below shown, done in different ways:

Durch die Bebilderungseinrichtung 8, die hier als eine Ink-Jet-Einrichtung ausgeführt ist, wird das die Bildinformationen tragende Medium direkt auf die Oberfläche des Gummizylinder 5 oder auf die Oberfläche eines auf dem Gummizylinder 5 gespannten Sleeves aufgebracht. Nur die Bereiche, welche Bildinformationen übertragen sollen, werden mit dem Medium beaufschlagt. Dabei bewegt sich der Bebilderungskopf traversierend in axialer Richtung und überträgt Zeile für Zeile auf die zu Oberfläche des Gummizylinder 5 bzw. auf das Sleeve.By the imaging device 8, which is designed here as an ink jet device the medium carrying the image information directly onto the surface of the rubber cylinder 5 or applied to the surface of a sleeve stretched on the rubber cylinder 5. Only the areas that are to transmit image information are exposed to the medium. The imaging head traverses in the axial direction and transfers line by line to the surface of the rubber cylinder 5 or to the sleeve.

In einer anderen Variante erfolgt das Auftragen des die Bildinformationen tragenden Mediums auf den Gummizylinder 5 über eine Bebilderungseinrichtung 8, die als eine mit einem Laser zusammenwirkenden Transfer-Folie ausgebildet ist. Dabei wird durch den thermischen Einfluss des Lasers das auf der Transferfolie befindliche Medium von der Transferfolie auf den Gummizylinder 5 bzw. auf den Sleeve übertragen. Auch hier bewegt sich die Bebilderungseinrichtung 8 traversierend in axialer Richtung zum Gummizylinder 5.In another variant, the medium carrying the image information is applied on the blanket cylinder 5 via an imaging device 8, which as one with a Laser cooperating transfer film is formed. Thereby the thermal Influence of the laser on the medium on the transfer film from the transfer film transfer the rubber cylinder 5 or to the sleeve. The imaging device also moves here 8 traversing in the axial direction to the blanket cylinder 5.

In einer weiteren Ausführung der Erfindung wird durch eine Lasereinrichtung die Oberfläche des Gummizylinders 5 oder des Sleeves temporär bebildert. Dabei entstehen farbabweisende und farbaufnehmende Bereiche als Träger der Bildinformationen. In einem anschließenden Beschichtungsvorgang, vorzugsweise durch eine (nicht dargestellte) Kammerrakel, nehmen nur die farbaufnehmenden Bereiche das Medium an. Die auf diese Art entstandene Schicht ist nunmehr Träger der Bildinformationen.In a further embodiment of the invention, the surface is created by a laser device of the blanket cylinder 5 or the sleeve temporarily illustrated. This creates color-repellent and color-receiving areas as carriers of the image information. In a subsequent one Coating process, preferably by means of a chamber doctor blade (not shown), only the ink-absorbing areas accept the medium. The one created in this way Layer is now the carrier of the image information.

Es gibt zwei Möglichkeiten, das die Bildinformationen tragende Medium auf den Druckformzylinder 4 zu übertragen. Ist der Gummizylinder 5 nicht vom Druckformzylinder 4 abgestellt, wird im Zuge der Bebilderung das Medium auf den Druckformzylinder 4 bzw. auf die auf dem Druckformzylinder 4 aufgespannte Druckform übertragen. Bei abgestelltem Druckformzylinder 4 wird nach Übertragen des die Bildinformationen tragenden Mediums auf den Gummizylinder 5 die Wirkverbindung zwischen Gummizylinder 5 und Druckformzylinder 4 wieder hergestellt und das Medium auf den Druckformzylinder 4 übertragen.There are two possibilities for the medium carrying the image information onto the printing form cylinder 4 transfer. If the blanket cylinder 5 is not turned off from the printing form cylinder 4, in the course of the imaging, the medium on the printing form cylinder 4 or on the Printing form cylinder 4 transferred clamped printing form. With the printing form cylinder switched off 4 is transferred to the blanket cylinder after the medium carrying the image information has been transferred 5 the operative connection between the blanket cylinder 5 and the forme cylinder 4 again produced and the medium transferred to the printing form cylinder 4.

Während des Übertragens des die Bildinformation tragenden Mediums ist das Farb- und Feuchtwerk 6; 7 vom Druckformzylinder 4 abgestellt. Für die Drehzahl des Gummizylinders 5 und des Druckformzylinders 4 wird ein Wert gewählt, der von den rheologischen Eigenschaften des Beschichtungs-Materials abhängig ist. Während der Bebilderung des Gummizylinders 5 wird die Drehzahl ebenfalls angepasst.During the transfer of the medium carrying the image information, the color and Dampening unit 6; 7 turned off from the printing form cylinder 4. For the speed of the rubber cylinder 5 and the printing form cylinder 4, a value is selected which is based on the rheological properties of the coating material is dependent. During the imaging of the blanket cylinder 5 the speed is also adjusted.

Nach der Übertragung des die Bildinformationen tragenden Mediums wird die Wirkverbindung zwischen dem Druckformzylinder 4 und dem Gummizylinder 5 aufgehoben und die auf dem Gummizylinder 5 verbleibenden Rückstände des Mediums abgewaschen. Bevorzugt wird dabei eine Wascheinrichtung 9 verwendet, deren Position verfahrbar ist. Mit dieser Wascheinrichtung 9 ist es dann auch möglich, neben dem auf den Gummizylinder 5 verbleibenden Medium auch das die Bildinformationen tragende Medium nach erfolgtem Druckvorgang vom Druckformzylinder 4 wieder abzuwaschen.
Bei der oben beschriebenen dritten Variante (temporäre Bebilderung, anschließende Beschichtung) kann bei Verwendung geeigneter Medien das Waschen entfallen. After the transfer of the medium carrying the image information, the operative connection between the printing form cylinder 4 and the rubber cylinder 5 is broken and the residues of the medium remaining on the rubber cylinder 5 are washed off. A washing device 9 is preferably used, the position of which can be moved. With this washing device 9, it is then also possible, in addition to the medium remaining on the rubber cylinder 5, to also wash off the medium carrying the image information from the printing form cylinder 4 after the printing process has taken place.
In the third variant described above (temporary imaging, subsequent coating), washing can be omitted if suitable media are used.

Aufstellung der verwendeten BezugszeichenList of the reference symbols used

11
Druckwerkprinting unit
22
GegendruckzylinderImpression cylinder
33
ÜbergabezylinderTransfer cylinder
44
DruckformzylinderPlate cylinder
55
Gummizylinderrubber cylinder
66
Farbwerkinking
77
Feuchtwerkdampening
88th
Bebilderungseinrichtungimaging
99
Wascheinrichtungwash

Claims (13)

Verfahren in Druckmaschinen zum Aufbringen von Bildinformationen tragenden Schichten, wobei die Druckmaschine mit einem Gegendruckzylinder (2), mit einem Gummizylinder (5) und einem mit einem Farbwerk (6) und ggf. mit einem Feuchtwerk (7) zusammenwirkenden Druckformzylinder (4) ausgestattet ist und das Farb- bzw. Feuchtwerk vom Druckformzylinder (4) und der Gummizylinder (5) vom Gegendruckzylinder (2) abgestellt werden, ein die Bildinformationen tragendes Medium auf den Gummizylinder (5) aufgetragen und über den Gummizylinder (5) auf den Druckformzylinder (4) übertragen wird. Method in printing machines for applying layers bearing image information, the printing machine being equipped with an impression cylinder (2), with a rubber cylinder (5) and with a printing form cylinder (4) interacting with an inking unit (6) and possibly with a dampening unit (7) and the inking or dampening unit from the printing form cylinder (4) and the rubber cylinder (5) is turned off the impression cylinder (2), a medium carrying the image information is applied to the rubber cylinder (5) and is transferred to the printing form cylinder (4) via the rubber cylinder (5). Verfahren in Druckmaschinen zum Aufbringen von Bildinformationen tragenden Schichten nach Anspruch 1, dadurch gekennzeichnet, dass das Auftragen des die Bildinformationen tragenden Mediums auf den Gummizylinder (5) nach dem Ink-Jet-Verfahren erfolgt.Method in printing machines for applying layers bearing image information according to claim 1, characterized in that the medium carrying the image information is applied to the rubber cylinder (5) by the ink-jet method. Verfahren in Druckmaschinen zum Aufbringen von Bildinformationen tragenden Schichten nach Anspruch 1, dadurch gekennzeichnet, dass das Auftragen des die Bildinformationen tragenden Mediums auf den Gummizylinder (5) über eine mit einem Laser zusammenwirkende Transfer-Folie erfolgt, wobei durch den thermischen Einfluss des Lasers das auf der Transferfolie befindliche Medium von der Transferfolie auf den Gummizylinder (5) übertragen wird.Method in printing machines for applying layers bearing image information according to claim 1, characterized in that the medium carrying the image information is applied to the rubber cylinder (5) via a transfer film which interacts with a laser, the thermal influence of the laser causing this medium located in the transfer film is transferred from the transfer film to the rubber cylinder (5). Verfahren in Druckmaschinen zum Aufbringen von Bildinformationen tragenden Schichten nach den Ansprüchen 1 bis 3, dadurch gekennzeichnet, dass das die Bildinformationen tragende Medium auf die Oberfläche des Gummizylinders (5) oder auf die Oberfläche eines auf dem Gummizylinder (5) angeordneten Sleeves aufgebracht wird.Method in printing machines for applying layers bearing image information according to claims 1 to 3, characterized in that the medium bearing the image information is applied to the surface of the rubber cylinder (5) or to the surface of a sleeve arranged on the rubber cylinder (5). Verfahren in Druckmaschinen zum Aufbringen von Bildinformationen tragenden Schichten nach Anspruch 1, dadurch gekennzeichnet, dass auf dem Gummizylinder (5) die Bildinformationen in Form von farbabweisenden und farbaufnehmenden Bereiche temporär durch eine geeignete Einrichtung erzeugt werden und der Gummizylinder (5) anschließend beschichtet wird. Method in printing machines for applying layers bearing image information according to claim 1, characterized in that the image information in the form of ink-repellent and ink-absorbing areas is temporarily generated on the rubber cylinder (5) by a suitable device and the rubber cylinder (5) is then coated. Verfahren in Druckmaschinen zum Aufbringen von Bildinformationen tragenden Schichten nach Anspruch 5, dadurch gekennzeichnet, dass die Bildinformationen auf die Oberfläche des Gummizylinder (5) oder auf die Oberfläche eines auf dem Gummizylinder (5) angeordneten Sleeves aufgebracht werden.Method in printing machines for applying layers bearing image information according to claim 5, characterized in that the image information is applied to the surface of the rubber cylinder (5) or to the surface of a sleeve arranged on the rubber cylinder (5). Verfahren in Druckmaschinen zum Aufbringen von Bildinformationen tragenden Schichten nach Anspruch 1 bis 6, dadurch gekennzeichnet, dass zum Zwecke der Übertragung der die Bildinformationen tragenden Schicht vom Gummizylinder (5) zum Druckformzylinder (4) die beiden miteinander in Kontakt stehenden Zylinder (4; 5) mit einer den rheologischen Eigenschaften des zu übertragenden Mediums angepassten Drehzahl betrieben werden.Method in printing machines for applying layers bearing image information according to claims 1 to 6, characterized in that for the purpose of transferring the layer bearing the image information from the blanket cylinder (5) to the printing form cylinder (4), the two cylinders (4; 5) in contact with one another be operated at a speed adapted to the rheological properties of the medium to be transferred. Verfahren in Druckmaschinen zum Aufbringen von Bildinformationen tragenden Schichten nach Anspruch 1, dadurch gekennzeichnet, dass das die Bildinformationen tragende Medium auf die Oberfläche einer auf den Druckformzylinder (4) aufgespannten Druckform oder direkt auf die Oberfläche des Druckformzylinders (4) übertragen wird.Method in printing machines for applying layers bearing image information according to claim 1, characterized in that the medium carrying the image information is transferred to the surface of a printing form clamped onto the printing form cylinder (4) or directly to the surface of the printing form cylinder (4). Verfahren in Druckmaschinen zum Aufbringen von Bildinformationen tragenden Schichten nach Anspruch 1 bis 6, dadurch gekennzeichnet, dass nach der Übertragung des Mediums die Wirkverbindung zwischen dem Gummizylinder (5) und dem Druckformzylinder (4) aufgehoben und der Gummizylinder (5) gewaschen wird.Method in printing machines for applying layers bearing image information according to claims 1 to 6, characterized in that after the transfer of the medium the operative connection between the blanket cylinder (5) and the printing form cylinder (4) is broken and the blanket cylinder (5) is washed. Einrichtung in Druckmaschinen zum Aufbringen von Bildinformationen tragenden Schichten, wobei die Druckmaschine aus einem Gegendruckzylinder (2), einem Gummizylinder (5), einem mit einem vom Druckformzylinder (4) wegschwenkbaren Farbwerk (6) und ggf. mit einem ebenfalls wegschwenkbaren Feuchtwerk (7) zusammenwirkenden Druckformzylinder (4) und einer Bebilderungseinrichtung (8) zum Aufbringen eines die Bildinformationen tragendes Medium besteht, wobei dieses Medium auf die Oberfläche des Druckformzylinders (4) selbst oder auf die Oberfläche einer auf den Druckformzylinder (4) aufspannbaren Druckform aufbringbar und eine Einrichtung zum Abstellen des Gummizylinders (5) vom Gegendruckzylinder (2) und/oder vom Druckformzylinder (4) vorgesehen ist,
dadurch gekennzeichnet, dass
die Bebilderungseinrichtung (8) dem Gummizylinder zugeordnet ist. Device in printing machines for applying layers bearing image information, the printing machine comprising an impression cylinder (2), a rubber cylinder (5), an inking unit (6) which can be pivoted away from the printing form cylinder (4) and, if appropriate, a dampening unit (7) which can also be pivoted away cooperating printing form cylinder (4) and an imaging device (8) for applying a medium carrying the image information, which medium can be applied to the surface of the printing form cylinder (4) itself or to the surface of a printing form that can be clamped onto the printing form cylinder (4), and a device for Parking the blanket cylinder (5) from the impression cylinder (2) and / or from the printing form cylinder (4) is provided,
characterized in that
the imaging device (8) is assigned to the blanket cylinder. Einrichtung in Druckmaschinen zum Aufbringen von Bildinformationen tragenden Schichten nach Anspruch 10, dadurch gekennzeichnet, dass zum Auftragen des die Bildinformation tragenden Mediums auf den Gummizylinder (5) ein nach dem Ink-Jet-Prinzip arbeitender traversierender Bebilderungskopf vorgesehen ist.Device in printing machines for applying layers bearing image information according to claim 10, characterized in that a traversing imaging head working according to the ink-jet principle is provided for applying the medium bearing the image information to the rubber cylinder (5). Einrichtung in Druckmaschinen zum Aufbringen von Bildinformationen tragenden Schichten nach Anspruch 10, dadurch gekennzeichnet, dass zum Auftragen des die Bildinformation tragenden Mediums auf den Gummizylinder (5) eine traversierende Einrichtung vorgesehen ist, die ein mit einem Laser beaufschlagbares Transferband aufweist.Device in printing machines for applying layers carrying image information according to claim 10, characterized in that a traversing device is provided for applying the medium carrying the image information to the rubber cylinder (5), which device has a transfer belt which can be acted upon by a laser. Einrichtung in Druckmaschinen zum Aufbringen von Bildinformationen tragenden Schichten nach Anspruch 10, dadurch gekennzeichnet, dass zum Übertragen der Bildinformationen auf den Gummizylinder (5) ein Laser vorgesehen ist, dem als Beschichtungseinrichtung ein Kammerrakel nachgeordnet ist.Device in printing machines for applying layers bearing image information according to claim 10, characterized in that a laser is provided for transmitting the image information to the rubber cylinder (5), which is followed by a chamber doctor blade as the coating device.
EP01114000A 2000-06-21 2001-06-08 Method for applying image forming coatings in printing machines Expired - Lifetime EP1167023B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10030601A DE10030601A1 (en) 2000-06-21 2000-06-21 Method and device in printing machines for applying layers bearing image information
DE10030601 2000-06-21

Publications (2)

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EP1167023A1 true EP1167023A1 (en) 2002-01-02
EP1167023B1 EP1167023B1 (en) 2006-08-09

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EP01114000A Expired - Lifetime EP1167023B1 (en) 2000-06-21 2001-06-08 Method for applying image forming coatings in printing machines

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EP (1) EP1167023B1 (en)
AT (1) ATE335604T1 (en)
DE (2) DE10030601A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0368180A2 (en) * 1988-11-09 1990-05-16 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Process for the production of images in a printing cylinder
EP0940252A1 (en) * 1998-03-03 1999-09-08 Agfa-Gevaert N.V. Rotary printing press with an integrated image-setter comprising a hollow transparent cylinder as exposure drum

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0368180A2 (en) * 1988-11-09 1990-05-16 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Process for the production of images in a printing cylinder
EP0940252A1 (en) * 1998-03-03 1999-09-08 Agfa-Gevaert N.V. Rotary printing press with an integrated image-setter comprising a hollow transparent cylinder as exposure drum

Also Published As

Publication number Publication date
DE50110664D1 (en) 2006-09-21
DE10030601A1 (en) 2002-01-03
ATE335604T1 (en) 2006-09-15
EP1167023B1 (en) 2006-08-09

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