EP2847000B1 - Vorrichtung zum steuern der ablagerung einer oder mehrerer farbiger substanzen und einer netzlösung für ein offsetdrucksystem sowie verfahren zur verwendung der vorrichtung - Google Patents

Vorrichtung zum steuern der ablagerung einer oder mehrerer farbiger substanzen und einer netzlösung für ein offsetdrucksystem sowie verfahren zur verwendung der vorrichtung Download PDF

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Publication number
EP2847000B1
EP2847000B1 EP13731295.5A EP13731295A EP2847000B1 EP 2847000 B1 EP2847000 B1 EP 2847000B1 EP 13731295 A EP13731295 A EP 13731295A EP 2847000 B1 EP2847000 B1 EP 2847000B1
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EP
European Patent Office
Prior art keywords
deposition
offset plate
offset
printing system
wetting solution
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.)
Active
Application number
EP13731295.5A
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English (en)
French (fr)
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EP2847000A1 (de
Inventor
Edmond Abergel
Louis Gautier-Le Boulch
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.)
Ink Jet Technology
MGI Digital Technology SA
Original Assignee
Ink Jet Technology
MGI France SA
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Publication of EP2847000A1 publication Critical patent/EP2847000A1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/02—Rotary lithographic machines for offset printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/0057—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material where an intermediate transfer member receives the ink before transferring it on the printing material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/02—Ducts, containers, supply or metering devices
    • B41F31/08—Ducts, containers, supply or metering devices with ink ejecting means, e.g. pumps, nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/20—Ink-removing or collecting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F35/00—Cleaning arrangements or devices
    • B41F35/02—Cleaning arrangements or devices for forme cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/20—Details
    • B41F7/24—Damping devices
    • B41F7/30—Damping devices using spraying elements
    • 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
    • B41M1/06—Lithographic printing
    • 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
    • B41N3/08—Damping; Neutralising or similar differentiation treatments for lithographic printing formes; Gumming or finishing solutions, fountain solutions, correction or deletion fluids, or on-press development

Definitions

  • the present invention relates to the field of offset printing systems and more particularly the field of control devices of the wetting step for these printing systems.
  • Offset printing systems allow the implementation of a major process among the various current printing processes. This process stems directly from the prior lithography printing process, with the notable difference that it allows a greater flexibility of operation by allowing printing of several thousand copies on a wide variety of substrates (paper, cardboard polymeric .. .). Lithographic printing processes are flat printing processes. We consider here that the offset printing processes use bendable printing plates.
  • the principle of offset printing is based on the principle of water-fat repulsion by creating an emulsion between an aqueous wetting solution and a fatty ink successively deposited on an engraved copper and aluminum offset plate.
  • the engraved plate then comprises the image to be printed by the offset method.
  • the aqueous solution during the wetting step is deposited to adhere to the aluminum parts of the surface of the plate while, during inking, the fatty ink is repelled by the water on the copper parts of the plate.
  • the ink thus deposited on the offset plate is then transmitted to an intermediate printing roller called blanket before being transferred to the final substrate.
  • blanket an intermediate printing roller
  • this technique has the disadvantage of having an image to be printed which is dependent on the etching of the offset plate. Also, if this technique helps to limit the wear of printing in time, it nonetheless involves a significant cost when a piece of machinery must be replaced. This cost is therefore important for each replacement of the engraved offset plate, that is to say sometimes when it breaks, but especially more commonly whenever the image itself to be printed must be changed for printing. of a new one.
  • the object of the present invention is to overcome this drawback of the prior art by proposing a device capable of implementing printing which retains the advantages and properties of the offset process but which also makes it possible to reduce the production and printing costs. manufacturing machinery for printing a new image.
  • each deposition head comprises at least one nozzle individually controlled by a computer system and a digital file, each head of a deposition means being intended to project at least one fountain solution or a colored material onto a surface of an offset plate so that all the projections produce an image and / or a text on the surface of the offset plate corresponding to the image and / or the text of the digital file corresponding to the colored material projected by the depositing head projecting a colored material and negative for the head or heads projecting a wetting solution.
  • the mesh comprises unitary surfaces of rectangular shape arranged relative to each other so as to make a grid of the surface.
  • the mesh comprises hexagonal-shaped unitary surfaces arranged relative to each other so as to produce a mesh of honeycombs of the surface.
  • the value of the width of a lipophobic and hydrophobic peripheral surface corresponds to a value of between 5 and 50% of the width of a lipophilic and hydrophilic unit surface.
  • the width of a unit surface capable of receiving the wetting liquid or the colored material is at least equal to or greater than 35 microns.
  • the width of a unit surface capable of receiving the wetting liquid or the colored material is at least equal to 5 microns.
  • the offset plate (s) are set in motion by displacement means, the displacement means setting in motion the offset plate incrementally between each deposition of fountain solution and / or colored material deposited by the the nozzles in the center of at least one unitary surface, each increment corresponding to the size of a half-cell.
  • the number of offset plates corresponds to the number of fundamental colors.
  • the invention also relates to a printing system characterized in that it incorporates a device for controlling the wetting according to the invention.
  • the printing system further comprises a drying device for drying the fountain solution and / or colored matter deposited on the substrate.
  • the system comprises a counterpressure cylinder for each offset plate, the substrate passing between the counterpressure cylinder (s) and the offset plate (s).
  • the system comprises at least one blanket for each offset plate, the substrate passing between the counterpressure cylinder (s) and the blanket (s).
  • the steps of controlled deposition of fountain solution, controlled deposition of colored material and transfer are repeated for each offset plate corresponding to each fundamental color.
  • the method comprises a step of drying by a device for drying the fountain solution and colored matters.
  • the term "fountain solution” should be understood with a broad interpretation. This term thus denotes any hydrophilic aqueous solution capable of adhere appropriately to the offset plate on hydrophilic surfaces, to be repelled by hydrophobic surfaces and to repel the solution or solutions of fatty ink to be printed on the substrate.
  • colors should be understood with a broad interpretation. This term may thus denote inks of different colors, for example, fundamental colors such as cyan, yellow and magenta.
  • substrate should be understood in a broad sense, ie as any type of flexible or rigid substrate adapted to work with the printing system.
  • substrates can thus be of cellulosic types (paper, cardboard, wood), composites, textile or synthetic in continuous mode or sheet-fed mode and whose thickness can vary from a few tens of micrometers to several centimeters.
  • the present invention makes it possible to preserve the principle of the offset printing process by relying on the use of at least one universal offset plate (2) whose surface is arranged to receive and maintain the deposition of a layer of liquid wetting and coloring matter according to predefined arrangement.
  • the arrangement of the wetting liquid layer and colored materials on the surface of the plate is defined by controlled deposition and not only by etching the surface of the offset plate (2).
  • the device for controlling the deposition of colored material (s) and fountain solution is achieved thanks to the combination of two elements which allow on the one hand the precise deposition of the fountain solution and colored materials. on the surface of the offset plate and on the other hand maintaining the arrangement of the wetting liquid deposited on the offset plate.
  • the device may comprise an offset plate (2) for each color to be reflected on the substrate.
  • the device may comprise an offset plate for each fundamental color such that a first offset plate (2a) transfers a colored material of a fundamental color defined for this offset plate with the fountain solution, then a second offset plate (2b) transfers a colored material of another fundamental color defined for the second offset plate with the fountain solution and so on for each fundamental color.
  • This example is not limiting.
  • Other colors than the basic colors can be used.
  • the deposition control device of colored material (s) and fountain solution of the invention is thus constructed with a deposition means (1, 1 a, 1 b, 1 c) associated with a plate (2 , 2a, 2b, 2c) controlled offset for each offset plate adapted to precisely control the deposition of the wetting liquid and the colored material on the surface of the corresponding offset plate (2) associated with the deposition means.
  • the deposition means (1) controlled for the one or more materials and the fountain solution is produced, for example, by at least one group of heads comprising at least one deposition head comprising at least one nozzle (Ejection) projecting at least one fountain solution and a depositing head comprising at least one blast nozzle projecting at least one colored material.
  • the ejection nozzle (100) projecting the colored material may be, for example, a thermal nozzle where the phenomenon of vaporization of the colored material or materials which are then deposited on the surface of the offset plate (2) is used. The material or materials are thus precisely deposited on the offset plate (2).
  • each depositing head comprises at least one nozzle individually controlled by a computer system and a digital file.
  • Each head of a deposition means is intended to project at least one fountain solution or a colored material onto a surface of an offset plate so that all the projections produce an image and / or a text on the surface of the offset plate corresponding to the image and / or the text of the digital file corresponding to the colored material projected by the depositing head projecting a colored matter and negative for the head or heads projecting a fountain solution.
  • the device may be associated, for example, with at least one cleaning means (6, 6a, 6b, 6c) for each offset plate (2).
  • This cleaning means (6) may be intended for recovering the residues of colored matter and / or fountain solution projected remaining on the surface of the offset plate (2) and which have not been transferred to the substrate (4) .
  • This means (6, 6a, 6b, 6c) of cleaning thus allows a permanent cleaning of the surface of the offset plate before projection of new jets of colored matter and fountain solution.
  • This means (6, 6a, 6b, 6c) of cleaning may, for example, be composed of a set of squeegees and rollers. Some rollers and scrapers may be in direct contact with the surface of the offset plate (2).
  • the cleaning device (3) may also comprise a blowing means such as a blower. Depending on the physicochemical characteristics of the projected materials, this assembly may be completed, for example, and without limitation, by means of adding water, or solvents, by heating means or cooling means.
  • the cleaning means (6, 6a, 6b, 6c) of the device may comprise a combination of these different devices so as to be versatile and able to clean different type of material residue.
  • the device also rests on the surface of the offset plate which is arranged to allow accurate retention of the fountain solution and the colored material deposited on the surface of the plate. This maintenance of accuracy is ensured by an offset plate (2) which has a universal surface adapted to interact with the fountain solution and the colored material deposited by reversibly fixing it.
  • the offset plate (2) has a surface comprising a mesh of a plurality of hydrophilic and lipophilic unit zones (9), each of these zones being surrounded by a delimitation or hydrophobic and lipophobic peripheral area (8) which separates it from its neighbors direct also hydrophilic.
  • the surface of the offset plate (2) produces a mesh of hydrophilic and lipophilic unit zones (9) identical to each other and where each of them produces the smallest unit area capable of receiving a controlled deposition of wetting liquid and / or colored materials.
  • Each of these hydrophilic and lipophilic zones (9) has a surface necessary and sufficient to receive a single dose of fountain solution and / or colored matter deposited by the deposition means (1).
  • the deposition means (1) is positioned opposite a hydrophilic and lipophilic surface, for example by being centered on this surface, to project therein the wetting liquid or colored material.
  • each deposition means (1) of the fountain solution is mounted movably along an axis (1a, 1b, 1bbis, 1bbis) to allow lateral movements in a width of the offset plate.
  • the axis carrying the deposition means (1) can be movable to allow the deposition means (1) to move in a length of the offset plate. This variant embodiment will be preferred when the offset plate (2) is constructed in the form of a planar structure.
  • each deposition means (1) in the width of the offset plate (2) can be replaced by the use of a plurality of deposition means arranged side by side and positioned in such a manner to be facing a respective unit area (9).
  • the displacement of the deposition means (1) in the length of the offset plate (2) can be replaced by a displacement of the offset plate itself, for example when the offset plate is formed by the surface of a cylinder. The cylinder, when it is rotated on its axis, then allows the displacement of the offset plate relative to the deposition means (1).
  • the deposition of the fountain solution and the colored material on some of the unit areas (9) is predefined according to the image to be printed.
  • the preparation of the image to be printed at one or more adapted devices (10) may thus require programming, for example automated, of the projection of the fountain solution and of the colored material in correlation with the moving the deposition means (1) relative to the offset plate (2).
  • the offset plate (2) has a surface comprising a mesh of a plurality of hydrophilic and lipophilic unit zones (9) capable of retaining or fixing a material, respectively aqueous and fatty. Each of these areas is surrounded by an at least lipophobic peripheral area, to repel fats such as ink.
  • a hydrophilic peripheral zone may also be suitable, such as glass or stainless steel for example, as it will be constantly wetted by the aqueous material (i.e., the fountain solution) and will not be invaded by the fat.
  • a hydrophobic and lipophobic peripheral zone (8) capable of repelling the material, respectively aqueous and fatty, such as, for example, Teflon.
  • the materials and / or the surface treatment of the materials within the mesh of the offset plate are adapted according to the type of material to be deposited, in particular its surface tension, so that the zones units confine the deposited material (either fountain solution or ink) and preferably that the peripheral areas are not invaded by the ink (fat in this case).
  • the different unit zones (9) for fixing the wetting liquid deposits and colored materials are arranged on the surface of the offset plate (2) so as to produce a mesh.
  • This mesh positions the unit areas (9) hydrophilic and lipophilic with respect to each other so as to allow cutting which divides the entire surface of the offset plate into a plurality of unitary zones (9) respectively selectable by the deposition means (1) of each offset plate .
  • the unit areas (9) are of rectangular shape, or even square, so that the mesh of the offset plate makes a grid.
  • the different unit areas (9) have a hexagonal shape to allow an arrangement between them that is honeycomb.
  • This second embodiment has the advantage of providing unit areas whose shape is close to a circle. This shape is thus better adapted to receive the deposit of a drop of wetting liquid and / or colored material.
  • the hexagonal shape of the different lipophilic and hydrophilic unitary zones (9) on the offset plate (2) makes it possible to reconcile an arrangement of these different zones with each other to allow an optimal mesh of the entire surface of the offset plate while being adapted to the roundness of drops of fountain solution and / or colored material which may be deposited therein.
  • the different lipophilic and hydrophilic unit areas (9) on the surface of the offset plate (2) are separated by lipophobic and hydrophobic peripheral zones (8) which can, for example, provide continuity between them.
  • Each of the lipophilic and hydrophilic unit zones (9) is thus surrounded by a hydrophobic and lipophobic zone (8).
  • a hydrophobic and lipophobic zone (8) which separates two consecutive lipophilic and hydrophilic zones (9) has a width of between 5 and 50% of the width of a lipophilic and hydrophilic zone ( 9).
  • the hydrophobic and lipophobic zones (8) are arranged so that their width is on the one hand sufficiently wide to individualize each of the hydrophilic and lipophilic zones and to prevent a solution deposit of wetting and of colored material to move from one unit area to another, and secondly sufficiently restricted so that the repellent effect of the deposition of fountain solution or colored material on two consecutive unit areas has a sufficient repellent effect to prevent spreading of the fountain solution and / or colored material out of the unit area on which the solution or material has been deposited.
  • the width of a unit area (9) is of the order of at least 10 ⁇ m to 50 ⁇ m, preferably 20 ⁇ m to 40 ⁇ m, ideally 35 ⁇ m. This particular width makes it possible to produce a unitary zone which is adapted to optimally receive the deposition of a drop of fountain solution or of colored material. This width can also have a dimension of at least 5 microns.
  • Each offset plate is set in motion by displacement means which move the offset plate incrementally between each deposition of material (s) deposited (s) by the nozzle or nozzles in the center of at least one unit area.
  • Each increment depends on the shape of the unit area so that each unit area can face a nozzle projecting a fountain solution or a color material.
  • Each increment may correspond to the size of at least one half-cell.
  • each increment (i1) corresponds to the size of a cell.
  • each increment (i2) corresponds to the size of a half-cell.
  • the offset plate is moved longitudinally by an increment (i 2 ') the size of a cell so that each nozzle faces the center of a unitary surface.
  • the group or groups of heads are moved longitudinally and parallel to the offset plate by an increment (i 2 ') the size of a cell so that each nozzle is in front of the center of a unitary surface.
  • each group of heads has at least two separate nozzles of the size (i2 ') of a cell, one of the nozzles projecting material at an increment and the other nozzle projecting matter to the next increment.
  • the purpose of the wetting control device of the invention is to be integrated in a printing system which comprises in particular a device for controlling the deposition of colored material (s) and of fountain solution (3) and a counterpressure roll (3a, 3b, 3c) for each offset plate for transferring the image from the surface of each offset plate onto the surface of a substrate (6).
  • the substrate thus passes between the counterpressure cylinder (s) (3a, 3b, 3c) and the offset plate (s).
  • This or these cylinders can play the role of supporting the substrate at the time of transfer or transfer of the deposition of the fountain solution and colored materials.
  • the printing system may further comprise a drying device (5) for drying the fountain solution and / or drying or polymerizing the colored material (s) deposited on the substrate (4) by the device according to the invention.
  • the drying device (5) may be, for example, a heat source or any other drying means placed after the device according to the invention.
  • the drying device (5) may, for example and without limitation, be a heat source, a system for polymerization by ultraviolet, infrared, electron beams, or any other source of polymerization. .
  • the advantage of drying by polymerization is that a dry matter is obtained without spending a lot of energy.
  • the film of polymerizing material, after polymerization is very resistant to abrasion, aging, light, moisture ...
  • the device may comprise a drying device arranged after each offset plate.
  • the system may also include a blanket disposed between the offset plate (2a, 2b, 2c) and the substrate (4).
  • the substrate (4) can thus pass between the blanket and the counterpressure cylinder or cylinders (3a, 3b, 3c).
  • the blanket makes it possible to receive the one or more colored materials and / or the fountain solution and to transfer the colored material (s) and / or the fountain solution received on the substrate (4).
  • each offset plate corresponds to a fundamental color
  • these steps are performed by the first offset plate (2a) corresponding to the cyan fundamental color, then, these steps are repeated for the second offset plate (2b) corresponding to the fundamental magenta color and finally, these steps are repeated for the third plate (2c) offset corresponding to the fundamental yellow color.
  • the substrate (4) is advanced by displacement means to each offset plate for carrying out these three steps.
  • the fountain solution is sprayed by the nozzles into specific unit areas.
  • the hydrophilic properties of the unitary zones and the hydrophobic properties of the peripheral zones maintain each deposit of fountain solution in the unit area (9a) in which it has been filed.
  • the fountain solution is projected into the determined unit areas (9a) where the deposition of color materials following the deposition of the fountain solution is not desired.
  • the color materials may be, for example, greasy inks.
  • the lipophilic properties of the unit areas and the lipophobic properties of the peripheral zones maintain each deposit of color materials in the unit area (9b) into which it has been deposited.
  • the colored materials do not penetrate into the unit areas where a fountain solution has been deposited.
  • the method Downstream from the controlled deposition of fountain solution, controlled deposition of colored material and carryover, and after all the offset plates have reported the fountain solution and the colored materials, the method comprises a step of drying by the device drying the fountain solution and the colored materials.
  • the drying can be carried out after each postponement of the fountain solution and colored material.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Printing Methods (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Claims (17)

  1. Vorrichtung zum Regulieren des Absetzens von Material(ien) für Offsetdrucksysteme (0), dadurch gekennzeichnet, dass sie Folgendes umfasst:
    - wenigstens eine Offsetplatte (2, 2a, 2b, 2c) zum sukzessiven Aufnehmen einer Benetzungsflüssigkeit und eines gefärbten Materials,
    - wenigstens ein Mittel (1, 1a, 1b, 1c) zum gesteuerten Absetzen für jede Offsetplatte (2, 2a, 2b, 2c), wobei das Absetzmittel (1, 1a, 1b, 1c) wenigstens einen Absetzkopf, der wenigstens eine Benetzungslösung ausstößt, und wenigstens einen Absetzkopf aufweist, der ein definiertes gefärbtes Material ausstößt,
    - wenigstens ein Mittel (6a, 6b, 6c) zum Reinigen der Offsetplatten (2, 2a, 2b, 2c),
    und dadurch, dass der Überzug der Offsetplatte(n) (2, 2a, 2b, 2c) ein Netzwerk umfasst, das von mehreren einheitlichen hydrophilen und lipophilen Flächen (9, 9a, 9b) definiert wird, die eine gesteuerte Absetzung von Benetzungsflüssigkeit und/oder gefärbtem Material aufnehmen können, wobei jede dieser hydrophilen und lipophilen Flächen von ihren direkten Nachbarn durch wenigstens eine hydrophobe und lipophobe periphere Fläche (8) getrennt ist.
  2. Vorrichtung zum Steuern des Absetzens von Material(ien) für ein Offsetdrucksystem nach Anspruch 1, dadurch gekennzeichnet, dass jeder Absetzkopf wenigstens eine Düse umfasst, die individuell durch ein Informatiksystem und eine digitale Datei gesteuert wird, wobei jeder Kopf eines Absetzmittels (1, 1a, 1b, 1c) die Aufgabe hat, wenigstens eine Benetzungslösung oder ein gefärbtes Material auf eine Oberfläche einer Offsetplatte (2, 2a, 2b, 2c) auszustoßen, so dass die Gesamtheit der Ausstöße ein Bild und/oder einen Text auf der Oberfläche der Offsetplatte (2, 2a, 2b, 2c) erzeugt, entsprechend dem Bild und/oder dem Text der digitalen Datei, entsprechend dem gefärbten Material, das von dem Absetzkopf ausgestoßen wird, der ein gefärbtes Material ausstößt, und als Negativ für den oder die Köpfe, der/die eine Benetzungslösung ausstößt/ausstoßen.
  3. Vorrichtung zum Steuern des Absetzens von Material(ien) für ein Offsetdrucksystem nach Anspruch 1, dadurch gekennzeichnet, dass das Netzwerk einheitliche Flächen (9, 9a, 9b) von rechteckiger Form umfasst, die so relativ zueinander angeordnet sind, dass ein Rastermuster auf der Oberfläche entsteht.
  4. Vorrichtung zum Steuern des Absetzens von Material(ien) für ein Offsetdrucksystem nach Anspruch 1, dadurch gekennzeichnet, dass das Raster einheitliche Oberflächen (9, 9a, 9b) von hexagonaler Form umfasst, die so relativ zueinander angeordnet sind, dass ein wabenförmiges Raster auf der Oberfläche entsteht.
  5. Vorrichtung zum Steuern des Absetzens von Material(ien) für Offsetdrucksysteme nach wenigstens einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Wert der Breite einer lipophoben und hydrophoben peripheren Fläche (8) einem Wert zwischen 5 und 50 % der Breite einer lipophilen und hydrophilen einheitlichen Fläche (9, 9a, 9b) entspricht.
  6. Vorrichtung zum Steuern des Absetzens von Material(ien) für ein Offsetdrucksystem nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass die Breite einer einheitlichen Fläche (9, 9a, 9b), die Benetzungsflüssigkeit oder gefärbtes Material aufnehmen kann, wenigstens gleich oder größer als 35 µm ist.
  7. Vorrichtung zum Steuern des Absetzens von Material(ien) für ein Offsetdrucksystem nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass die Breite einer einheitlichen Fläche (9, 9a, 9b), die Benetzungsflüssigkeit oder gefärbtes Material aufnehmen kann, wenigstens gleich 5 µm ist.
  8. Vorrichtung zum Steuern des Absetzens von Material(ien) für ein Offsetdrucksystem nach wenigstens einem der Ansürüche 1 bis 7, dadurch gekennzeichnet, dass die Offsetplatte(n) (2, 2a, 2b, 2c) durch Antriebsmittel in Bewegung versetzt wird/werden, wobei die Antriebsmittel die Offsetplatte inkremental nach jedem Absetzen von Benetzungslösung und/oder gefärbtem Material in Bewegung versetzt, das von der/den Düse(n) in der Mitte von wenigstens einer einheitlichen Fläche (9, 9a, 9b) abgesetzt wird, wobei jedes Inkrement der Größe einer Halbzelle entspricht.
  9. Vorrichtung zum Steuern des Absetzens von Material(ien) für ein Offsetdrucksystem nach den Ansprüchen 1 bis 8, dadurch gekennzeichnet, dass die Zahl der Offsetplatten (2a, 2b, 2c) der Zahl der Grundfarben entspricht.
  10. Drucksystem, dadurch gekennzeichnet, dass es eine Steuervorrichtung nach einem der Ansprüche 1 bis 9 beinhaltet.
  11. Drucksystem nach Anspruch 10, dadurch gekennzeichnet, dass das Drucksystem darüber hinaus eine Trocknungsvorrichtung (5) zum Trocknen der auf das Substrat (4) abgesetzten Benetzungslösung und/oder gefärbten Materialien umfasst.
  12. Drucksystem nach Anspruch 10, dadurch gekennzeichnet, dass das System einen Gegendruckzylinder (3a, 3b, 3c) für jede Offsetplatte umfasst, wobei das Substrat zwischen dem oder den Gegendruckzylinder(n) und der oder den Offsetplatte(n) passiert.
  13. Drucksystem nach wenigstens einem der Ansprüche 10 bis 12, dadurch gekennzeichnet, dass das System wenigstens ein Drucktuch für jede Offsetplatte (2a, 2b, 2c) umfasst, wobei das Substrat zwischen dem oder den Gegendruckzylinder(n) (3a, 3b, 3c) oder dem oder den Drucktuch/-tüchern passiert.
  14. Druckverfahren, das wenigstens eine Vorrichtung nach einem der Ansprüche 1 bis 9 benutzt, dadurch gekennzeichnet, dass es sukzessiv wenigstens Folgendes beinhaltet:
    - wenigstens einen Schritt des gesteuerten Absetzens von Benetzungslösung auf die Offsetplatte, die mehrere hydrophile und lipophile einheitliche Flächen, getrennt durch hydrophobe und lipophobe periphere Flächen, umfasst, durch die Düse(n) zum Absetzen der Benetzungslösung der Absetzmittel einer Offsetplatte,
    - wenigstens einen Schritt des gesteuerten Absetzens von gefärbtem Material auf die Offsetplatte, mit Abweisung des gefärbten Materials durch die lipophoben und hydrophoben peripheren Flächen der Offsetplatte, durch die Düse(n) zum Absetzen von gefärbtem Material des Absetzmittels derselben Offsetplatte,
    - einen Schritt des Übertragens der auf die Offsetplatte abgesetzten Benetzungslösung und gefärbten Materialien auf ein Substrat,
    wobei die Gesamtheit dieser Schritte nacheinander für jede Offsetplatte wiederholt wird.
  15. Druckverfahren nach Anspruch 14, dadurch gekennzeichnet, dass das Verfahren vor den Schritten des gesteuerten Absetzens der Benetzungslösung und des gesteuerten Absetzens des gefärbten Materials und des Übertragens Folgendes umfasst:
    - einen Schritt des Herstellens des zu druckenden Bildes, der wenigstens eine Ermittlung und Programmierung der ein oder mehreren Teile der Oberfläche der Offsetplatte beinhaltet, der/die die Benetzungslösung und/oder das gefärbte Material empfangen soll(en),
    - einen Schritt des Übertragens von dem zu druckenden Bild entsprechenden programmierten Daten zu der Vorrichtung zum Steuern des Absetzens von Material.
  16. Druckverfahren nach Anspruch 14, dadurch gekennzeichnet, dass die Schritte des gesteuerten Absetzens von Benetzungslösung, des gesteuerten Absetzens von gefärbtem Material und des Übertragens für jede Offsetplatte entsprechend jeder Grundfarbe wiederholt werden.
  17. Druckverfahren nach Anspruch 16, dadurch gekennzeichnet, dass das Verfahren nach den Schritten des gesteuerten Absetzens von Benetzungslösung, des gesteuerten Absetzens von gefärbtem Material und des Übertragens, für alle Offsetplatten realisiert, einen Schritt des Trocknens durch eine Trocknungsvorrichtung, der Benetzungslösung und der gefärbten Materialien beinhaltet.
EP13731295.5A 2012-05-07 2013-05-07 Vorrichtung zum steuern der ablagerung einer oder mehrerer farbiger substanzen und einer netzlösung für ein offsetdrucksystem sowie verfahren zur verwendung der vorrichtung Active EP2847000B1 (de)

Applications Claiming Priority (2)

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FR1254182A FR2990154B1 (fr) 2012-05-07 2012-05-07 Dispositif de controle de depot de matiere(s) coloree(s) et de solution de mouillage pour systeme d’impression offset et procede de mise en oeuvre du dispositif
PCT/EP2013/059543 WO2013167629A1 (fr) 2012-05-07 2013-05-07 Dispositif de contrôle de dépôt de matière(s) colorée(s) et de solution de mouillage pour système d'impression offset et procédé de mise en oeuvre du dispositif

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US10800196B2 (en) * 2018-04-25 2020-10-13 Xerox Corporation Fountain solution deposition apparatus and method for digital printing device

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WO1980001151A1 (en) * 1978-12-11 1980-06-12 G Warner Emulsion lithographic printing system
US4287827A (en) * 1979-05-17 1981-09-08 Warner Gordon R Combined inking and moistening roller
JPH0497848A (ja) * 1990-08-16 1992-03-30 Mitsubishi Heavy Ind Ltd オフセット印刷方法および印刷機
IL116123A (en) * 1995-11-23 1999-07-14 Scitex Corp Ltd System and method for printing
JPH11138773A (ja) * 1997-11-10 1999-05-25 Fuji Xerox Co Ltd 画像形成方法および画像形成装置
US6109746A (en) * 1998-05-26 2000-08-29 Eastman Kodak Company Delivering mixed inks to an intermediate transfer roller
US6532871B1 (en) * 2000-01-27 2003-03-18 Kodak Polychrome Graphics Llc Method of controlling image resolution on a substrate using an autophobic fluid
US6648468B2 (en) * 2000-08-03 2003-11-18 Creo Srl Self-registering fluid droplet transfer methods
JP3655552B2 (ja) * 2001-01-19 2005-06-02 大日本スクリーン製造株式会社 湿し水供給装置および印刷装置
US6663215B2 (en) 2001-10-25 2003-12-16 Hewlett-Packard Company, L.P. Printhead service station
US20100251914A1 (en) * 2009-04-01 2010-10-07 Xerox Corporation Imaging member
FR2990153B1 (fr) * 2012-05-07 2014-12-26 Mgi France Dispositif de controle de depot de matiere(s) pour systeme d’impression offset et procede de mise en oeuvre du dispositif

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JP6250642B2 (ja) 2017-12-20
FR2990154B1 (fr) 2014-06-06
JP2015519231A (ja) 2015-07-09
US9242447B2 (en) 2016-01-26
IL235279B (en) 2018-06-28
FR2990154A1 (fr) 2013-11-08
US20150083006A1 (en) 2015-03-26
WO2013167629A1 (fr) 2013-11-14

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