EP2006090A2 - Method and device for imaging a gravure printing form and accordingly imaged gravure printing form - Google Patents

Method and device for imaging a gravure printing form and accordingly imaged gravure printing form Download PDF

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Publication number
EP2006090A2
EP2006090A2 EP08010659A EP08010659A EP2006090A2 EP 2006090 A2 EP2006090 A2 EP 2006090A2 EP 08010659 A EP08010659 A EP 08010659A EP 08010659 A EP08010659 A EP 08010659A EP 2006090 A2 EP2006090 A2 EP 2006090A2
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EP
European Patent Office
Prior art keywords
image
tiles
wells
color
printing form
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Granted
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EP08010659A
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German (de)
French (fr)
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EP2006090B1 (en
EP2006090A3 (en
Inventor
Sven Bruns
Andreas Scheffler
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Hell Gravure Systems GmbH and Co KG
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Hell Gravure Systems GmbH and Co KG
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Priority claimed from DE200710029099 external-priority patent/DE102007029099A1/en
Application filed by Hell Gravure Systems GmbH and Co KG filed Critical Hell Gravure Systems GmbH and Co KG
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Publication of EP2006090A3 publication Critical patent/EP2006090A3/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
    • B41C1/02—Engraving; Heads therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/10—Intaglio printing ; Gravure printing

Definitions

  • the invention relates to a method and a device for imaging of intaglio printing forms, in which or formed with the wells, preferably engraved, be.
  • the invention relates to an imaged gravure printing form.
  • the invention has for its object to improve the imaging of a gravure printing.
  • a Becoungschal für für für für für für für für für für für für für für für für für für für für für für für für für für für für für für für für für für für für für für für für für assupra is facilitated and / or automated and / or the gravure form can be improved in their printing behavior and / or improved contour sharpness of the printed printed image can be achieved.
  • the printed image can be printed easier, faster and more automated and analyzed when needed.
  • a respective image tile is constructed or selected such that it contains a well and / or parts of neighboring wells.
  • the printed image can be recorded and processed with advantage completely and completely by a suitable tiling.
  • marginal cells cut off by an image edge are also formed as partial cells in the gravure form by circumstances of image data.
  • the partially formed cup being a peripheral cup cut off from a frame by circumstances of image data, which is introduced into the printing form only as a partially formed cup and itself has difficulties in dispensing the ink.
  • a color-conductive compound is produced with a complete well.
  • a preferred embodiment of the method according to the invention provides that, in the case of an image edge tile located on the edge of an image by circumstances of image data, the marginal parts of neighboring wells are formed as partial cells.
  • all peripheral parts of neighboring cups ie the partial cells lying in the vicinity of one edge, could be filled with one of the image edge tiles completely and / or with another Operanäpfchen or be connected to several wells or Supplementnäpfchen.
  • essentially rectangular picture tiles are preferably used.
  • Each image tile could then, for example, essentially capture the area of a raster mesh of a cell image raster.
  • Other polygonal image tile forms would of course be conceivable, for example, honeycomb shapes or diamond shapes, or even cornerless, for example, tongue-shaped picture tiles.
  • Each image tile preferably encompasses or comprises a central cup and, depending on the screen angle, substantially approximately in the diagonal directions of the image tile or in the direction of the respective screen angle to find parts of Nachbaräpfchen.
  • connection options between wells and / or partial cells are provided in different directions. If desired, wells and / or partial wells are connected in pairs, but more wells or partial cells could also be connected to one another.
  • the provided connection options also make it possible to provide selection criteria for the respective preferred connection and / or depending on the situation, for example in the form of a selection algorithm.
  • a partial cell or an image tile is adjacent to an image edge
  • data processing technology recognized by preferably provided for imaging the gravure form image data by suppository-wise and / or pixel-wise environment comparison located on the edge of an image edge cups or parts thereof and / or image border tiles searched and these are identified by it.
  • the entire environment of a well, a sub-well and / or a pixel of a well or Operanäpfchens could be considered.
  • Main search directions can also be specified.
  • Such a method can also be performed self-learning, for example by preceding search sequences intelligently could be taken into account.
  • a gravure printing form according to the invention which is characterized in that it is imaged by the method according to the invention, as well as for an inventive device for imaging a gravure form, which forms wells in a gravure form, which is characterized in that it is a workable by the inventive method and / or for such a method established control, preferably programming or programmability, each claiming independent protection.
  • the method according to the invention could also be wholly or partly incorporated in a software with which the respective print job conditions can be specified.
  • the figure shows only schematically and by way of example a possible section of a raster image of wells.
  • the wells are indicated as diamonds 1, 2a, 2b.
  • Each with a central cup 1 in the middle rectangular picture tiles 3, 4 have been formed, the boundaries of which are indicated by dashed lines 5 and with which the raster image is recorded in a parquet manner.
  • cups 2b are severed, part of which would be outside the image edge. From such cups 2b therefore only that part is respectively formed in a printing form, preferably engraved, which lies within the image in order to draw as sharply as possible the image contour corresponding to the image edge course.
  • each image tile includes, for example, a central well 1 and, in the corner regions of the image tile, a quarter of a neighboring well.
  • the image tiles 3 are image edge tiles, which adjoin the image edge 6, 7 and therefore also include sub-cells of peripheral wells 2b. They also include wells 2a, which belong to several picture tiles 3, 4. Picture tiles 4 are inner picture tiles, which in their corner areas have only inner sub-cells of cells 2a belonging to several picture tiles. These inner cups 2a are formed completely on the printing form in the interaction of the picture tiles 3, 4.
  • image data are checked to see which image tiles are image edge tiles 3 and thus have edge cups 2b.
  • Such Randnäpfchen 2b are then connected color-conductive by additional color channels 8 and Näpfchen barnstiche with the respective central cup of the picture edge tile so as to produce a Rescuenäpfchen that can deliver the color of the Randnäpfchen properly.
  • These color channels are thus generated in the printing form in the imaging with, preferably engraved with. If appropriate, a respective color channel 8 for the connection of a Sectionnäpfchens 2b with a central cup 1 is sufficient.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Image Processing (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Printing Methods (AREA)

Abstract

The method involves providing rhomboid shape central cups (1, 2a, 2b) of different dimensions to image a rotogravure form to achieve different tone values or print densities by engraving. Image data for imaging the rotogravure form is assembled from image tiles (3, 4) e.g. polygonal image tiles, by a controller, where some of the image tiles contain a partial cup formed by a portion of adjacent central cups. The partial cup is connected with the central cups by an ink channel (8) in an ink-conducting manner. An independent claim is also included for a system for imaging of a rotogravure form.

Description

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur Bebilderung von Tiefdruckformen, bei dem bzw. mit der Näpfchen ausgebildet, vorzugsweise graviert, werden.The invention relates to a method and a device for imaging of intaglio printing forms, in which or formed with the wells, preferably engraved, be.

Des Weiteren betrifft die Erfindung eine bebilderte Tiefdruckform.Furthermore, the invention relates to an imaged gravure printing form.

Der Erfindung liegt die Aufgabe zugrunde, die Bebilderung einer Tiefdruckform zu verbessern. Dabei soll vorzugsweise eine Bebilderungsdatenverarbeitung erleichtert und / oder automatisiert werden und / oder die Tiefdruckform in ihrem Ausdruckverhalten verbessert werden und / oder eine verbesserte Konturenschärfe des ausgedruckten Druckbildes erzielt werden.The invention has for its object to improve the imaging of a gravure printing. In this case preferably a Bebilderungsdatenverarbeitung is facilitated and / or automated and / or the gravure form can be improved in their printing behavior and / or improved contour sharpness of the printed printed image can be achieved.

Diese Aufgabe wird erfindungsgemäß in Verfahrenshinsicht in einer ersten erfindungsgemäßen Lösung dadurch gelöst, dass zur Bebilderung der Tiefdruckform vorgesehene Bilddaten aus Bildkacheln zusammengesetzt werden, vorzugsweise parkettiert werden.This object is achieved according to the invention in method view in a first solution according to the invention in that for imaging the gravure form provided image data from picture tiles are assembled, preferably parquet.

Das auszudruckende Druckbild kann dadurch einfacher, schneller und automatisierter aufgebaut und auch bei Bedarf analysiert werden.The printed image can be printed easier, faster and more automated and analyzed when needed.

Vorzugsweise ist erfindungsgemäß eine jeweilige Bildkachel so aufgebaut oder gewählt, dass sie ein Näpfchen und / oder Teile von Nachbarnäpfchen enthält. Mit derartigen Bildkacheln kann das Druckbild mit Vorteil vollständig und lückenlos durch eine geeignete Parkettierung datentechnisch erfasst und aufbereitet werden.Preferably, according to the invention, a respective image tile is constructed or selected such that it contains a well and / or parts of neighboring wells. With such picture tiles, the printed image can be recorded and processed with advantage completely and completely by a suitable tiling.

Allerdings geben Näpfchen in einer Tiefdruckform, ab einem bestimmten Mindestvolumen oder kleiner, die von ihnen aufgenommene Farbe nicht zuverlässig und / oder vollständig an den Bedruckstoff wieder ab. Dies hängt einerseits beispielsweise von dem Näpfchenvolumen, andererseits aber zum Beispiel auch von der Konsistenz der Farbe, insbesondere ihrer Viskosität, ab. Hierdurch kann es zu einem fehlerhaften Ausdruck kommen, der in Tonwertverläufen auffällig und unerwünscht ist, aber auch in Randkonturen eines Bildes, da eine solche Kontur dann beispielsweise ausgefranst erscheinen könnte. Dies gilt insbesondere gleichermaßen beim Publikationsdruck wie beim Verpackungsdruck.However, wells in a gravure form, from a certain minimum volume or smaller, do not reliably and / or completely release the ink picked up by them from the substrate. This depends, on the one hand, for example, on the volume of the well, on the other hand, for example, on the other hand Consistency of the color, in particular its viscosity, from. This can lead to an erroneous expression, which is conspicuous and undesirable in Tonwertverläufen, but also in the edge contours of an image, as such a contour could then appear, for example, frayed. This is especially true for publication printing as well as packaging printing.

Damit auch Teilnäpfchen, die beispielsweise zur Verbesserung einer Kontur beitragen, sachgerecht ausgedruckt werden, ist nach einer weiteren erfindungsgemäßen Lösung, für die auch selbständiger Schutz beansprucht wird, vorgesehen, dass wenigstens ein nur teilweise ausgebildetes Näpfchen mit wenigstens einem benachbarten Näpfchen, das selber auch ein Teilnäpfchen sein könnte, farbleitend verbunden wird. Auf diese erfindungsgemäße Weise bilden das Näpfchen und das Teilnäpfchen oder zwei oder mehrere Teilnäpfchen zusammen ein größeres, gegebenenfalls bizarrer ausgebildetes Näpfchen oder Näpfchensytem, das die Farbe sachgerecht abgeben kann.So that also Teilübchen, which contribute, for example, to improve a contour, are printed properly, according to a further inventive solution, for which also independent protection is claimed, provided that at least one only partially trained wells with at least one adjacent well, which itself also a Particles could be, is color connected. In this way according to the invention, the wells and the sub-wells or two or more sub-wells together form a larger, possibly bizarrely designed, well or well system which can deliver the ink properly.

Vorzugsweise werden erfindungsgemäß auch durch Gegebenheiten von Bilddaten durch einen Bildrand abgeschnittene Randnäpfchen als Teilnäpfchen in der Tiefdruckform ausgebildet. Auch dies kann dann dazu führen, dass das teilweise ausgebildete Näpfchen ein durch Gegebenheiten von Bilddaten durch einen Bildrand abgeschnittenes Randnäpfchen ist, welches nur als teilweise ausgebildetes Näpfchen in die Druckform eingebracht wird und selbst Schwierigkeiten bei der Farbabgabe hat. Auch dazu ist erfindungsgemäß bevorzugt vorgesehen, dass eine farbleitende Verbindung mit einem vollständigen Näpfchen hergestellt wird.Preferably, according to the invention, marginal cells cut off by an image edge are also formed as partial cells in the gravure form by circumstances of image data. This, too, can then lead to the partially formed cup being a peripheral cup cut off from a frame by circumstances of image data, which is introduced into the printing form only as a partially formed cup and itself has difficulties in dispensing the ink. Also according to the invention it is preferably provided that a color-conductive compound is produced with a complete well.

Eine bevorzugte Ausführungsform des erfindungsgemäßen Verfahrens sieht vor, dass bei einer durch Gegebenheiten von Bilddaten an einem Bildrand gelegenen Bildrandkachel die randseitigen Teile von Nachbarnäpfchen als Teilnäpfchen ausgebildet werden. Insbesondere könnten erfindungsgemäß zur Vermeidung isolierter Teilnäpfchen nötigenfalls alle randseitigen Teile von Nachbarnäpfchen, also die Teilnäpfchen, die in Nachbarschaft eines Randes liegen, mit einem von der Bildrandkachel vollständig erfassten Näpfchen und / oder mit einem anderen Teilnäpfchen oder auch mit mehreren Näpfchen oder Teilnäpfchen verbunden werden.A preferred embodiment of the method according to the invention provides that, in the case of an image edge tile located on the edge of an image by circumstances of image data, the marginal parts of neighboring wells are formed as partial cells. In particular, according to the invention, to avoid isolated partial cells, if necessary, all peripheral parts of neighboring cups, ie the partial cells lying in the vicinity of one edge, could be filled with one of the image edge tiles completely and / or with another Teilnäpfchen or be connected to several wells or Teilnäpfchen.

Bevorzugt werden erfindungsgemäß einfach im Wesentlichen rechteckige Bildkacheln verwendet. Jede Bildkachel könnte dann zum Beispiel im Wesentlichen den Bereich einer Rastermasche eines Näpfchenbildrasters erfassen. Auch andere polygone Bildkachelformen wären natürlich denkbar, zum Beispiel Wabenformen oder Rautenformen, oder auch eckenlose, zum Beispiel zungenförmige Bildkacheln.According to the invention, essentially rectangular picture tiles are preferably used. Each image tile could then, for example, essentially capture the area of a raster mesh of a cell image raster. Other polygonal image tile forms would of course be conceivable, for example, honeycomb shapes or diamond shapes, or even cornerless, for example, tongue-shaped picture tiles.

Jede Bildkachel erfasst bzw. umfasst vorzugsweise ein zentrales Näpfchen und, je nach Rasterwinkel, im Wesentlichen etwa in Diagonalrichtungen der Bildkachel bzw. in Richtung des jeweiligen Rasterwinkels zu findende Teile von Nachbarnäpfchen.Each image tile preferably encompasses or comprises a central cup and, depending on the screen angle, substantially approximately in the diagonal directions of the image tile or in the direction of the respective screen angle to find parts of Nachbaräpfchen.

Bevorzugt könnte erfindungsgemäß vorgesehen sein, dass in unterschiedlichen Richtungen Verbindungsoptionen zwischen Näpfchen und / oder Teilnäpfchen vorgesehen werden. Bevorzugt werden Näpfchen und / oder Teilnäpfchen bei Bedarf paarweise verbunden, es könnten aber auch mehr Näpfchen oder Teilnäpfchen miteinander verbunden werden. Insbesondere ist es durch die vorgesehenen Verbindungsoptionen auch möglich Auswahlkriterien für die jeweils bevorzugte Verbindung und / oder je nach Situation vorzusehen, beispielsweise in Form eines Auswahlalgorithmus.Preferably, it could be provided according to the invention that connection options between wells and / or partial cells are provided in different directions. If desired, wells and / or partial wells are connected in pairs, but more wells or partial cells could also be connected to one another. In particular, the provided connection options also make it possible to provide selection criteria for the respective preferred connection and / or depending on the situation, for example in the form of a selection algorithm.

Ob ein Teilnäpfchen oder eine Bildkachel einem Bildrand benachbart sind, könnte erfindungsgemäß vorzugsweise automatisch, datenverarbeitungstechnisch erkannt werden, indem bevorzugt zur Bebilderung der Tiefdruckform vorgesehene Bilddaten durch näpfchenweisen und / oder pixelweisen Umgebungsvergleich auf randseitig eines Bildrandes gelegene Näpfchen oder Teile davon und / oder Bildrandkacheln durchsucht und diese dadurch identifiziert werden. Hierzu könnte die gesamte Umgebung eines Näpfchens, eines Teilnäpfchens und / oder eines Pixel eines Näpfchens oder Teilnäpfchens betrachtet werden. Es können auch Hauptsuchrichtungen vorgegeben werden. Ein solches Verfahren kann auch selbstlernend durchgeführt werden, indem zum Beispiel vorhergehende Suchabfolgen intelligent berücksichtigt werden könnten.Whether a partial cell or an image tile is adjacent to an image edge, according to the invention, preferably automatically, data processing technology recognized by preferably provided for imaging the gravure form image data by suppository-wise and / or pixel-wise environment comparison located on the edge of an image edge cups or parts thereof and / or image border tiles searched and these are identified by it. For this purpose, the entire environment of a well, a sub-well and / or a pixel of a well or Teilnäpfchens could be considered. Main search directions can also be specified. Such a method can also be performed self-learning, for example by preceding search sequences intelligently could be taken into account.

Für eine erfindungsgemäße Tiefdruckform die sich dadurch auszeichnet, dass sie nach dem erfindungsgemäßen Verfahren bebildert ist, so wie für eine erfindungsgemäße Vorrichtung zur Bebilderung einer Tiefdruckform, welche Näpfchen in einer Tiefdruckform ausbildet, die sich dadurch auszeichnet, dass sie eine nach dem erfindungsgemäßen Verfahren arbeitsfähige und / oder für ein solches Verfahren eingerichtete Steuerung, vorzugsweise Programmierung oder Progammierbarkeit, aufweist, wird jeweils auch selbständiger Schutz beansprucht. Insbesondere könnte das erfindungsgemäße Verfahren auch ganz oder teilweise in eine Software inkorporiert sein, mit der die jeweiligen Druckjobbedingungen vorgegeben werden können.For a gravure printing form according to the invention which is characterized in that it is imaged by the method according to the invention, as well as for an inventive device for imaging a gravure form, which forms wells in a gravure form, which is characterized in that it is a workable by the inventive method and / or for such a method established control, preferably programming or programmability, each claiming independent protection. In particular, the method according to the invention could also be wholly or partly incorporated in a software with which the respective print job conditions can be specified.

Ein erfindungsgemäßer Randabschnitt eines Bildausschnittes, an dem das erfindungsgemäße Verfahren noch einmal zum Teil erläutert wird, ist in der einzigen Zeichnungsfigur dargestellt. Aus dieser Zeichnung können sich auch weitere erfinderische Merkmale ergeben, jedoch soll die Erfindung in ihrem Umfang nicht auf dieses Ausführungsbeispiel beschränkt sein.An inventive edge section of a picture detail, on which the method according to the invention is explained again in part, is shown in the single drawing figure. From this drawing, further inventive features may arise, but the invention should not be limited in scope to this embodiment.

Die Figur zeigt nur schematisch und beispielhaft einen möglichen Ausschnitt aus einem Rasterbild aus Näpfchen. Die Näpfchen sind als Rauten 1, 2a, 2b angedeutet. Jeweils mit einem zentralen Näpfchen 1 in der Mitte sind rechteckige Bildkacheln 3, 4 gebildet worden, deren Grenzen mit gestrichelten Linien 5 angedeutet sind und mit denen das Rasterbild parkettartig erfasst ist.The figure shows only schematically and by way of example a possible section of a raster image of wells. The wells are indicated as diamonds 1, 2a, 2b. Each with a central cup 1 in the middle rectangular picture tiles 3, 4 have been formed, the boundaries of which are indicated by dashed lines 5 and with which the raster image is recorded in a parquet manner.

Zudem ist ein Eckbereich eines Bildrandes mit durchgezogenen Linien 6, 7 in der Zeichnung angedeutet worden.In addition, a corner region of an image edge has been indicated by solid lines 6, 7 in the drawing.

Durch den Verlauf des Bildrandes 6, 7 sind Näpfchen 2b durchtrennt, von denen ein Teil außerhalb des Bildrandes liegen würde. Von derartigen Näpfchen 2b wird daher in einer Druckform nur derjenige Teil jeweils ausgebildet, vorzugsweise graviert, der innerhalb des Bildes liegt, um die Bildkontur entsprechend des Bildrandverlaufs möglichst scharf zu zeichnen.Through the course of the image edge 6, 7 cups 2b are severed, part of which would be outside the image edge. From such cups 2b therefore only that part is respectively formed in a printing form, preferably engraved, which lies within the image in order to draw as sharply as possible the image contour corresponding to the image edge course.

Zu jeder Bildkachel gehört, wie bereits erwähnt, hier beispielhaft ein zentrales Näpfchen 1 und jeweils in den Eckbereichen der Bildkachel ein Viertel eines Nachbarnäpfchens.As already mentioned, each image tile includes, for example, a central well 1 and, in the corner regions of the image tile, a quarter of a neighboring well.

Die Bildkacheln 3 sind Bildrandkacheln, die an den Bildrand 6, 7 angrenzen und daher auch Teilnäpfchen von Randnäpfchen 2b umfassen. Sie umfassen auch Näpfchen 2a, die zu mehreren Bildkacheln 3, 4 gehören. Bildkacheln 4 sind innere Bildkacheln, die in ihren Eckbereichen nur innere, zu mehreren Bildkacheln gehörende Teilnäpfchen von Näpfchen 2a aufweisen. Diese inneren Näpfchen 2a werden im Zusammenspiel der Bildkacheln 3, 4 vollständig auf der Druckform ausgebildet.The image tiles 3 are image edge tiles, which adjoin the image edge 6, 7 and therefore also include sub-cells of peripheral wells 2b. They also include wells 2a, which belong to several picture tiles 3, 4. Picture tiles 4 are inner picture tiles, which in their corner areas have only inner sub-cells of cells 2a belonging to several picture tiles. These inner cups 2a are formed completely on the printing form in the interaction of the picture tiles 3, 4.

Die Randnäpfchen 2b werden aber nur, wie gesagt, teilweise ausgebildet, soweit sie innerhalb des Bildrandes 6, 7 liegen. Damit entstehen Kleinnäpfchenbereiche, die Schwierigkeiten haben, Farbe an einen Bedruckstoff abzugeben.The Randääpfchen 2b but only partially, as I said, as far as they are within the image edge 6, 7. This creates small bowl areas that have difficulty dispensing paint to a substrate.

Erfindungsgemäß werden daher Bilddaten daraufhin überprüft, welche Bildkacheln Bildrandkacheln 3 sind und somit Randnäpfchen 2b aufweisen. Derartige Randnäpfchen 2b werden dann farbleitend durch zusätzliche Farbkanäle 8 bzw. Näpfchendurchstiche mit dem jeweils zentralen Näpfchen der Bildrandkachel verbunden, um so ein Gesamtnäpfchen zu erzeugen, das insgesamt auch die Farbe aus den Randnäpfchen sachgerecht abgeben kann. Diese Farbkanäle werden also in der Druckform bei deren Bebilderung mit erzeugt, vorzugsweise mit graviert. Dabei reicht gegebenenfalls ein jeweiliger Farbkanal 8 zur Verbindung eines Teilnäpfchens 2b mit einem zentralen Näpfchen 1 aus.According to the invention, therefore, image data are checked to see which image tiles are image edge tiles 3 and thus have edge cups 2b. Such Randnäpfchen 2b are then connected color-conductive by additional color channels 8 and Näpfchendurchstiche with the respective central cup of the picture edge tile so as to produce a Gesamtnäpfchen that can deliver the color of the Randnäpfchen properly. These color channels are thus generated in the printing form in the imaging with, preferably engraved with. If appropriate, a respective color channel 8 for the connection of a Teilnäpfchens 2b with a central cup 1 is sufficient.

Claims (15)

Verfahren zur Bebilderung einer Tiefdruckform, bei dem zur Erzielung unterschiedlicher Tonwerte oder Druckdichten Näpfchen unterschiedlichen Ausmaßes in die Tiefdruckform graviert werden, dadurch gekennzeichnet, dass zur Bebilderung der Tiefdruckform vorgesehene Bilddaten parkettartig aus Bildkacheln (3, 4) zusammengesetzt werden, wobei die Bildkacheln (3, 4) an einen Bildrand (6, 7) angrenzende Bildrandkacheln (3) und innere Bildkacheln (4) umfassen, und wobei sich die Bildrandkacheln (3) von den inneren Kacheln (4) unterscheiden.Method for imaging a gravure printing form, in which wells of different dimensions are engraved in the gravure form to obtain different tonal values or print densities, characterized in that image data provided for imprinting the intaglio form are parcel-like composed of image tiles (3, 4), the image tiles (3, 4) 4) to an image edge (6, 7) bordering image edge tiles (3) and inner image tiles (4), and wherein the image edge tiles (3) from the inner tiles (4) differ. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Bildrandkacheln (3) wenigstens ein nur teilweise ausgebildetes Näpfchen (2b) enthalten, das mit wenigstens einem benachbarten Näpfchen (1) der Bildrandkacheln (3) farbleitend verbunden ist.A method according to claim 1, characterized in that the image edge tiles (3) comprise at least one only partially formed wells (2b) which is color-connected with at least one adjacent well (1) of the image edge tiles (3). Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass das wenigstens eine nur teilweise ausgebildete Näpfchen der Bildrandkacheln (3) ein durch den Bildrand (6, 7) abgeschnittenes Randnäpfchen (2b) ist, das farbleitend mit einem benachbarten zentralen Näpfchen (1) der Bildrandkacheln (3) verbunden ist.A method according to claim 2, characterized in that the at least one only partially formed wells of the image edge tiles (3) is a by the image edge (6, 7) cut Randnäpfchen (2b), the color-conducting with an adjacent central wells (1) of the image edge tiles ( 3) is connected. Verfahren nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass die benachbarten Näpfchen (1, 2b) durch Farbkanäle oder Näpfchendurchstiche (8) farbleitend verbunden sind.A method according to claim 2 or 3, characterized in that the adjacent wells (1, 2b) are color-connected by color channels or well pierces (8). Verfahren nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass in unterschiedlichen Richtungen farbleitende Verbindungen (8) zwischen benachbarten Näpfchen (1, 2b) vorgesehen sind.Method according to one of claims 2 to 4, characterized in that in different directions color-conductive connections (8) between adjacent wells (1, 2b) are provided. Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die inneren Bildkacheln (4) keine farbleitend miteinander verbundenen Näpfchen (1, 2a) enthalten.Method according to one of the preceding claims, characterized in that the inner picture tiles (4) contain no ink-conducting interconnected wells (1, 2a). Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass die inneren Bildkacheln (4) ein zentrales Näpfchen (1) und innere, zu mehreren Bildkacheln (3, 4) gehörende Teilnäpfchen (2a) enthalten, die nicht farbleitend mit dem zentralen Näpfchen (1) verbunden sind.A method according to claim 4, characterized in that the inner picture tiles (4) comprise a central well (1) and inner, to several image tiles (3, 4) associated Teilnäpfchen (2a), which is not color-connected to the central wells (1) are. Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Bilddaten aus polygonalen Bildkacheln (3, 4) zusammengesetzt werden.Method according to one of the preceding claims, characterized in that the image data are composed of polygonal picture tiles (3, 4). Verfahren nach Anspruch 8, dadurch gekennzeichnet, dass die Bilddaten aus rechteckigen Bildkacheln (3, 4) zusammengesetzt werden.A method according to claim 8, characterized in that the image data from rectangular image tiles (3, 4) are composed. Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass jede Bildkachel (3, 4) im Wesentlichen den Bereich einer Rastermasche eines Näpfchenbildrasters erfasst.Method according to one of the preceding claims, characterized in that each image tile (3, 4) substantially captures the area of a raster mesh of a cell image raster. Verfahren nach Anspruch 9 und 10, dadurch gekennzeichnet, dass jede Bildkachel (3, 4) ein zentrales Näpfchen (1) und, je nach Rasterwinkel, im Wesentlichen etwa in Diagonalrichtungen der Bildkachel (3, 4) zu findende Teile von Nachbarnäpfchen (2a, 2b) umfasst.A method according to claim 9 and 10, characterized in that each image tile (3, 4) a central well (1) and, depending on the screen angle, substantially approximately in diagonal directions of the image tile (3, 4) to be found parts of Nachbaräpfchen (2a, 2b). Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die zur Bebilderung der Tiefdruckform vorgesehenen Bilddaten durch näpfchenweisen und / oder pixelweisen Umgebungsvergleich auf an einen Bildrand (6, 7) angrenzende Näpfchen und / oder Bildrandkacheln (3) durchsucht und diese dadurch identifiziert werden.Method according to one of the preceding claims, characterized in that the image data provided for imaging the intaglio printing form are searched by cupping and / or pixel-wise comparison of the environment on wells and / or image border tiles (3) adjoining an image border (6, 7) and these are thereby identified. Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Bildkacheln (3, 4) mit benachbarten Bildkacheln (3, 4) gemeinsame Grenzen (5) aufweisen.Method according to one of the preceding claims, characterized in that the image tiles (3, 4) with adjacent image tiles (3, 4) have common boundaries (5). Tiefdruckform mit gravierten Näpfchen unterschiedlichen Ausmaßes,
dadurch gekennzeichnet,
dass sie durch ein Verfahren nach einem oder mehreren der vorangehenden Ansprüche bebildert worden ist.Gravure printing form with engraved wells of different dimensions,
characterized,
that it has been imaged by a method according to one or more of the preceding claims. Vorrichtung zur Bebilderung einer Tiefdruckform, welche Näpfchen in eine Tiefdruckform graviert,
dadurch gekennzeichnet,
dass sie eine nach dem Verfahren nach einem oder mehreren der Ansprüche 1 bis 13 arbeitsfähige und / oder für ein solches Verfahren eingerichtete Steuerung, vorzugsweise Programmierung oder Progammierbarkeit, aufweist.Apparatus for imaging a gravure printing form which engraves wells in a gravure form,
characterized,
in that it has a control system which is capable of operation and / or has been set up for such a method, preferably programming or programability, according to the method according to one or more of Claims 1 to 13.
EP08010659A 2007-06-20 2008-06-12 Method and device for imaging a gravure printing form Active EP2006090B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007028838 2007-06-20
DE200710029099 DE102007029099A1 (en) 2007-06-21 2007-06-21 Rotogravure form imaging method for publication printing, involves providing cups of different dimensions to image rotogravure form, and assembling image data provided for imaging of form from image tiles

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EP2006090A2 true EP2006090A2 (en) 2008-12-24
EP2006090A3 EP2006090A3 (en) 2009-10-21
EP2006090B1 EP2006090B1 (en) 2012-05-02

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US (1) US20080316540A1 (en)
EP (1) EP2006090B1 (en)
JP (1) JP2009001016A (en)
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JP6028688B2 (en) * 2013-07-29 2016-11-16 Ｊｆｅスチール株式会社 Printing apparatus and printing method

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Publication number Priority date Publication date Assignee Title
JPH0795194B2 (en) * 1989-05-19 1995-10-11 大日本スクリーン製造株式会社 Gravure printing plate
DE4338337C1 (en) * 1993-11-10 1995-05-24 Bernd Dr Bolzmann Engraving system for intaglio printing cylinder
US20040130753A1 (en) * 2003-01-06 2004-07-08 Crounse Kenneth R. Halftone method and system using hybrid AM/FM screening for highlight/shadow tonal regions
US7069851B2 (en) * 2004-01-20 2006-07-04 Think Laboratory Co., Ltd. Gravure printing method and gravure printed item
DE502004004634D1 (en) * 2004-02-27 2007-09-27 Hell Gravure Systems Gmbh & Co Method for direct engraving of cups for receiving printing ink for gravure printing
DE202006019713U1 (en) * 2006-12-28 2007-03-15 Wetzel Gmbh Rotogravure form for receiving printing ink comprises first cups and second cups having the same opening cross-section with the second cups being laterally connected by a through-cut

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Title
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ATE555902T1 (en) 2012-05-15
JP2009001016A (en) 2009-01-08
EP2006090B1 (en) 2012-05-02
EP2006090A3 (en) 2009-10-21
US20080316540A1 (en) 2008-12-25

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