EP1375136B1 - Wiederverwendbare Druckform - Google Patents

Wiederverwendbare Druckform Download PDF

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Publication number
EP1375136B1
EP1375136B1 EP03011112A EP03011112A EP1375136B1 EP 1375136 B1 EP1375136 B1 EP 1375136B1 EP 03011112 A EP03011112 A EP 03011112A EP 03011112 A EP03011112 A EP 03011112A EP 1375136 B1 EP1375136 B1 EP 1375136B1
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EP
European Patent Office
Prior art keywords
printing
reusable
metal oxide
organic compound
printing forme
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.)
Expired - Lifetime
Application number
EP03011112A
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German (de)
English (en)
French (fr)
Other versions
EP1375136A1 (de
Inventor
Martin Gutfleisch
Gerald Erik Dr. Hauptmann
Harald Dr. Latzel
Gerhard Dr. Peiter
Wolfgang Dr. Eck
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of EP1375136A1 publication Critical patent/EP1375136A1/de
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Publication of EP1375136B1 publication Critical patent/EP1375136B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/006—Printing plates or foils; Materials therefor made entirely of inorganic materials other than natural stone or metals, e.g. ceramics, carbide materials, ferroelectric materials
    • 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
    • B41C1/1008—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by removal or destruction of lithographic material on the lithographic support, e.g. by laser or spark ablation; by the use of materials rendered soluble or insoluble by heat exposure, e.g. by heat produced from a light to heat transforming system; by on-the-press exposure or on-the-press development, e.g. by the fountain of photolithographic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/10—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
    • B41C1/1041—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by modification of the lithographic properties without removal or addition of material, e.g. by the mere generation of a lithographic pattern
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N3/00—Preparing for use and conserving printing surfaces
    • B41N3/006—Cleaning, washing, rinsing or reclaiming of printing formes other than intaglio formes

Definitions

  • the invention relates to a reusable printing forme, especially for use in offset printing, with a printing surface, and a method for imaging a reusable printing forme.
  • Printing forms are used in printing units of printing presses to apply a predetermined print pattern, a given subject or image to a substrate.
  • Typical substrates are paper, cardboard, cardboard, organic polymers, textiles or the like.
  • printing forms are used, on the printing surface of which, part of the surface of the printing form, the pattern to be printed is permanently applied, structured or described.
  • Such printing forms can only be used easily.
  • printing surfaces are of particular interest, which can be deleted after structuring into a first image and later structured into a second image.
  • a reusable printing form is understood to mean a printing form having a printing surface, which can be patterned several times into different images.
  • Offset printing a structuring of the printing surface is present in regions of different wetting properties, in particular hydrophilic / lipophobic and hydrophobic / lipophilic regions.
  • Offset printing is based on exploiting the immiscibility of lipophilic substances, particularly oily fluids or liquids, and hydrophilic substances, especially aqueous fluids or liquids, on the printing form, the lipophilic substance or ink being colored by the image-forming areas and hydrophilic ones Substance or water are held by the non-image forming areas of the printing surface.
  • the non-image areas preferentially retain the hydrophilic substance and repel the lipophilic substance while the imagewise areas accept the lipophilic substance and repel the hydrophilic substance.
  • the lipophilic substance is then suitably transferred to the surface of a material on which the image is to be fixed.
  • a structuring of the printing surface is present in regions of different wetting properties.
  • This surface is hydrophobic when unexcited and can be rendered hydrophilic by irradiation with ultraviolet light. By heating, this switching process can be reversed again. Imaging is now done by illuminating the entire surface of the plate with ultraviolet light and masking areas of ink which are to be printed. For deletion, the image areas are then thermally, z. B. with a laser beam, switched back.
  • the hydrophobicity of such a metal oxide surface is particularly based on a surface contaminated with hydrocarbons in air, such as Fourier Transform Infrared Spectroscopy (FTIR), X-ray Photoelectron Spectroscopy (XPS), Atomic Force Microscopy (AFM) or the like can be determined.
  • FTIR Fourier Transform Infrared Spectroscopy
  • XPS X-ray Photoelectron Spectroscopy
  • AFM Atomic Force Microscopy
  • the surface can be hydrophilized with the aid of UV radiation or wet chemistry, it is hydrophobized again in an uncontrolled manner within a few hours when stored in air. So there is no defined, permanent hydrophobicity as initial state.
  • EP 0 962 333 A1 it is known to use printing forms whose printing pattern is changeable.
  • hydrophobic or hydrophilic materials are applied to the printing plate surface, then wetted the printing plate surface with water and then applied to the printing plate surface color. Due to the hydrophilic or hydrophobic properties, the water is attracted to the wetting process with water in the hydrophilic surface areas, so that the hydrophilic surface areas no longer absorb printing ink during the subsequent coating with printing ink.
  • the applied print pattern is removed again. Subsequently, the printing form can be structured or described with a new printing pattern.
  • a thiol compound as the material for the coating of the printing plate surface. The thiol compound is removed again under the action of heat from the printing plate surface.
  • the object of the present invention is to provide a reusable printing plate whose printing surface allows multiple image creation and deletion.
  • a reusable, in particular rewriteable or re-imageable printing form having a printing surface which has a metal oxide surface treated with at least one amphiphilic organic compound whose polar region has an acidic character
  • the amphiphilic organic Compound may be a surfactant-like compound.
  • the amphiphilic organic compound may be an aliphatic or aromatic radical-substituted inorganic or organic acid which comprises at least one element of IV, V or VI. Main group of the Periodic Table, in particular carbon (C), phosphorus (P), sulfur (S) or nitrogen (N), having.
  • the radical may be an unsubstituted or a substituted aliphatic or an unsubstituted or substituted aromatic.
  • the rest may in particular be partially or completely halogenated, in particular fluorinated.
  • the remainder has a carbon chain wherein the number of carbons is greater than or equal to 12 and less than or equal to 25.
  • the amphiphilic organic compound may in one embodiment be a hydroxamic acid or a phosphonic acid.
  • the amphiphilic organic compound may be n-heptadecane hydroxamic acid ⁇ CH3- (CH2) 16-C (O) NH-OH ⁇ or n-octadecane phosphonic acid ⁇ CH3- (CH2) 17-P (O) - (OH) 2 ⁇ .
  • the metal oxide surface may be a native oxidized titanium surface, native oxidized stainless steel surface, e.g., Hastelloy, or natively oxidized aluminum surface.
  • the invention is therefore based, inter alia, on the idea of treating technically rough metal oxide surfaces with amphiphilic, surfactant-like organic compounds, in particular applying or coating amphiphilic, surfactant-like organic on technically rough metal oxide surfaces.
  • the reusable printing form can thus also be referred to in particular as a (in the nano range) re-coatable printing form.
  • the printing form according to the invention has a surface which is obtained by the action of an amphiphilic organic compound on a metal oxide surface. Details of the underlying method of providing a printing form according to the invention are described below.
  • the rewritable printing form according to the invention is particularly advantageously in an offset printing process, in particular in direct or in indirect planographic printing, used. It can therefore also be referred to in particular as a rewritable offset printing form or as a (in the nano range) recoatable offset printing form.
  • amphiphilic, surfactant-like organic compounds it is possible to produce reproducibly defined hydrophobic metal oxide surfaces, in particular titanium oxide surfaces.
  • the pressure surface treated by an amphiphilic organic compound may be hydrophobic.
  • hydrophilically substituted or terminated amphiphilic surfactant-like compounds A printing surface treated by a hydrophilic substituted amphiphilic surfactant-like compound may be hydrophilic.
  • the amphiphilic, surfactant-like organic compounds n-heptadecane-hydroxamic acid (CH3- (CH2) 16-C (O) -NH-OH) -also tautomeric form and / or n-octadecane-phosphonic acid (CH3- (CH2 ) of 17-P (O) - (OH) 2).
  • the metal oxide surface is brought into a hydrophobic, ink-bearing state, which can serve as the starting state for imaging for an offset printing process.
  • the contact angles, measured against water, of these hydrophobic metal oxide surfaces are values from the set of numbers of the real number interval between 80 and 120 degrees.
  • the metal oxide surface can then be brought into a hydrophilic, ink-carrying state by controlled energy input.
  • the contact angles, measured against water, in the hydrophilic state are values from the number of times the interval of real numbers between 0 and 10 degrees.
  • the stroke between the two states is thus sufficiently large for offset printing.
  • the printing form according to the invention is switchable, in particular between a hydrophilic and a hydrophobic state. After structuring the rewritable printing form according to the invention into regions in the hydrophilic and hydrophobic state, an offset printing process can be carried out.
  • the reusable printing form according to the invention can be embodied in various embodiments with different topological and geometric properties.
  • the printing form according to the invention can be realized as the surface of a solid cylinder or as the surface of a hollow cylinder.
  • the cylinder, full or hollow, can in particular be a straight circular cylinder. Under surface is to be understood in particular the lateral surface.
  • the printing form according to the invention may also be formed as a sleeve or as a plate.
  • a sleeve has two surfaces (inner surface and outer surface) and has two edges.
  • the sleeve may be cylindrical with a uniform diameter, in particular inner diameter or outer diameter, (circular hollow cylindrical) or conical, that is with variable, in particular uniformly increasing or decreasing diameter, in particular inner diameter or outer diameter.
  • Inner diameter and outer diameter can vary differently. It is thus in the topological sense a not simply coherent object.
  • a plate has two surfaces (top and bottom) and has an edge. It is thus in the topological sense a simply coherent object.
  • the plate may in particular be cuboid or rectangular.
  • the reusable printing form according to the invention can be used in a printing unit, in particular in an offset printing unit. It may form the surface of a printing cylinder or be received on the surface of a cylinder.
  • An inventive printing unit is therefore characterized by at least one reusable printing form according to the invention.
  • the printing unit according to the invention may be part of a printing press, in particular an offset printing press.
  • the printing press may be a sheet-fed or a web-processing press.
  • a sheet-fed printing machine may include a feeder, a number of printing units, and a cantilever.
  • a printing press according to the invention has at least one printing unit according to the invention.
  • the reusable printing form according to the invention is also an inventive method for imaging a reusable, in particular rewriteable or creamybercisbaren, printing form with various advantageous developments.
  • the inventive method is based on the desire to provide a cyclic process in which a printing form according to the invention can be repeatedly imaged and erased, so that the printing form is particularly suitable for offset printing.
  • the inventive method for imaging can be carried out both inside and outside a printing unit or a printing press.
  • the printing surface can be processed imagewise by exposure through a mask-like template. But preferred is the pointwise direct exposure with digital information.
  • the method according to the invention for imaging a reusable printing form comprises the following steps: A reusable, in particular rewriteable or reproducible printing form having a printing surface which has a metal oxide surface treated with at least one amphiphilic organic compound is provided.
  • the rewritable printing form can in particular be designed as described in greater detail above in this illustration.
  • An image is generated by selective, in particular spatially and temporally selective, pointwise energy supply to the printing surface. In other words, a digital imaging is performed.
  • the imaging transforms the printing form from a hydrophobic to a hydrophilic state. After printing on a printing material, in particular in an offset printing process, the image is erased by large-area energy supply.
  • the printing surface of the printing form is treated with a solution of an amphiphilic organic compound.
  • the provision of the printing form is iterated or repeated.
  • the steps of imaging and deleting can thus be carried out several times with different print patterns or subjects.
  • the method according to the invention allows a cyclic process.
  • the step of providing the reusable printing plate may advantageously comprise the treatment of the printing surface with an amphiphilic organic compound whose polar region has an acidic character:
  • the printing surface is treated with an aqueous solution (also pure water) or with an alcoholic Solution, in particular ethanol, which contains at least one amphiphilic organic compound in a suitable concentration, close to the saturation limit, preferably in the concentration of 1 mmol / l.
  • an alcoholic Solution in particular ethanol
  • the metal oxide surface is exposed to an amphiphilic organic compound.
  • the amphiphilic organic compound is applied. This application or termination can take place in an advantageous embodiment in an ultrasonic bath.
  • the application, termination or coating of the metal oxide surface, in particular titanium dioxide surface, with the molecules of the amphiphilic organic compound takes place in a few seconds when the metal oxide surface is exposed to the solution, for example immersed in the solution, to cause a macroscopically detectable change in the wetting property.
  • the step of providing the reusable printing plate may advantageously comprise the following steps:
  • the printing surface is cleaned by irradiating the metal oxide surface with a UV light source.
  • Non-adherent compounds are removed from the treated metal oxide surface.
  • This cleaning of the treated metal oxide surface can be carried out in particular with an alcoholic solution, preferably with ethanol.
  • the treated, cleaned metal oxide surface is dried with an anhydrous process gas, in particular with nitrogen.
  • the method according to the invention may comprise the following steps for the preparation of the metal oxide surface.
  • the metal oxide surface may be a surface of the amount of the following surfaces: native oxidized titanium surface, native oxidized stainless steel surface, native oxidized aluminum surface, titanate and zirconate. More specifically, a first provision of the reusable printing form may be preceded by the following steps for preparation.
  • the metal oxide surface is prepurified. Purification may include the step of rinsing with acetone, ethanol, isopropanol, ethyl acetate or other suitable organic solvent. One purpose is in particular the degreasing of the surface.
  • the metal oxide surface can then be an aqueous solution of the composition a volume of 25% NH 4 OH solution and a volume of 30% H 2 O 2 solution in four volumes of H 2 O at a temperature of about 60 ° C for about 10 minutes get abandoned.
  • This step is particularly advantageous for a native oxidized titanium surface.
  • One purpose is, in particular, oxidation of hydrocarbons located on the metal oxide surface.
  • a main cleaning can be done by etching the metal oxide surface. The etching may be performed by a solution of the composition comprising 40% HF solution by volume and three volumes of 30% H 2 O 2 in twenty volumes of H 2 O at room temperature for about 1 minute.
  • One purpose is, in particular, the removal of a few individual metal oxide layers and the setting of a defined roughness of the metal oxide surface.
  • a defined oxide film, in particular a hydrophilic surface can be achieved by oxidation of the cleaned and etched surface.
  • the surface of a solution of the composition may be exposed to a volume fraction of 25% NH 4 OH solution and a volume fraction of 30% H 2 O 2 solution in four volumes of H 2 O at a temperature of about 60 ° C.
  • the steps of etching and producing a defined oxide film is particularly advantageous for a native oxidized titanium surface.
  • an image is generated on the printing surface by selective pointwise energy supply for hydrophilizing with the aid of electromagnetic radiation.
  • the electromagnetic radiation can be in the range of 150 to 1200 nanometers wavelength.
  • the energy can be supplied in the infrared spectral range.
  • the digital imaging can be done by a laser, preferably with about 1100 nanometers wavelength.
  • the image is erased in the preferred embodiment by large-scale energy supply to the hydrophobing by means of an irradiation of the printing surface with electromagnetic radiation.
  • the large-area irradiation can be carried out in the ultraviolet spectral range.
  • a preferred light source is an excimer radiator.
  • the printing surface of printing ink is cleaned or freed after printing of the printing material.
  • a cleaning can be carried out using a conventional color cleaner or a conventional detergent, a surfactant-containing aqueous solution, for example the detergent sold under the name EUROSTAR.
  • the structured pressure surface treated with at least one hydrophilic substituted or terminated amphiphilic organic compound after the formation of an image by selective pointwise energy supply for hydrophilization on the pressure surface of the treated with an amphiphilic organic compound metal oxide surface, in particular titanium dioxide surface, the structured pressure surface treated with at least one hydrophilic substituted or terminated amphiphilic organic compound.
  • the substituent may form a head group on the molecule of the compound.
  • the amphiphilic organic compound may be a compound as described in this presentation.
  • Substituents may in particular be one or more NH.sub.2 groups, one or more COOH groups or one or more OH groups.
  • the areas formed by the selective point-wise energy supply can be occupied or terminated in this way with molecules of the substituted or terminated amphiphilic organic compound. This additional process step advantageously leads to a reinforcement and / or stabilization of the hydrophilicity of the dot-wise imaged areas.
  • the invention provides a reusable, especially rewriteable or re-imageable, printing form with reliably reproducible behavior with regard to the imaging and erasing process.
  • the creation of an image or structure on the printing surface is simple and reliable. It is not necessary for a monolayer of the amphiphilic organic compound to self-assemble on the metal oxide surface.
  • the process for imaging thus requires a short provision time of the printing form according to the invention.
  • the application of above-mentioned compounds within a period of a few minutes, is sufficient to achieve a sufficiently strong hydrophobing of the metal oxide surfaces, in particular for use in an offset printing process.
  • the process according to the invention enables the hydrophobing of rough metal oxide surfaces, as are produced in current industrial production processes.
  • an advantageous embodiment of the reusable printing form according to the invention and an advantageous embodiment of a method according to the invention for imaging a reusable printing form using a natively oxidized titanium surface and n-octadecane-phosphonic acid are exemplified.
  • the FIG. 1 shows a flowchart of an advantageous embodiment of the method according to the invention for imaging a reusable printing form according to the invention.
  • Titanium surface samples can be purchased from Goodfellow. In order to first clean the titanium surface to be treated, it is irradiated with a light in the ultraviolet wavelength range.
  • the step of providing a reusable printing plate comprises applying the amphiphilic surfactant-like organic compounds: The titanium surface is wetted with a solution containing the above-mentioned compounds in suitable concentration. The titanium surface is immersed in 1 mM ethanolic solution of n-octadecane phosphonic acid (stearic phosphonic acid) at room temperature for about 5 minutes.
  • a cleaning of the treated titanium surface is effected by rinsing with ethanol, which removes the non-adherent compounds from the n-octadecane-phosphonic acid solution.
  • the cleaned, treated titanium surface is completely dried with an anhydrous, a so-called dry process gas, here nitrogen.
  • Such prepared or prepared titanium surfaces are hydrophobic and can be imaged with intense UV or IR light sources. By means of imaging hydrophilic areas are generated.
  • a diode-pumped yttrium-doped fiber laser from SDL is used as the light source.
  • Local, selective, digital imaging can be done using 30 micron spots of light (spots, 1 / e 2 waste). The wavelength is 1100 nanometers, the power 3 watts and the intensity or fluence 15 to 30 joules / square centimeter.
  • a visible structure or pattern is formed.
  • variable v denotes the scanning speed (scanning speed) of the printing surface.
  • a pattern can be imaged over the entire area (full-length) or pixel-area (pixel area) be.
  • the pixel size is 40 microns.
  • the color impressions are due to oxides of titanium, which are not necessarily stoichiometric composition.
  • XPS measurements have shown that after the one-time wet-chemical preparation, in particular as described in detail above, at a depth of 6 nanometers at the titanium surface, there are different oxidation states of the titanium. For example, TiO, TiO2, Ti2O3 and metallic Ti are present in these first 6 nanometers of surface. After a single laser irradiation, the oxide film on the surface is already thicker than 6 nanometers; the XPS-detectable 6 nanometers consist of 100% or 100% TiO2 in terms of measurement accuracy.
  • a one-time, full-surface laser treatment after the one-time wet-chemical preparation is a very advantageous initial state for the reversible (erasable) imaging on this titanium surface.
  • Repeated imaging with IR laser at the same areas of the surface although resulting in slight color changes, but have no influence on the wetting properties of these areas.
  • the irradiation of the hydrophobic surface always results in hydrophilic areas.
  • a functional printing form can be obtained at irradiation of more than 15 joules / square centimeter. Particularly good quality is achieved from 30 joules / square centimeter.
  • the reproduction of the subject on a printing substrate by an offset printing process takes place.
  • the titanium surface may be cleaned of ink by contact with a solution of suitable composition.
  • color cleaner EUROSTAR is used.
  • the titanium surface is extensively exposed to ultraviolet light of the wavelength of approximately 172 nanometers for approximately 5 minutes Minutes exposed.
  • the light source is a Xenon Excimerstrahler the company Xeradex (OSRAM) with an optical power of 5 watts with electrical power of 20 watts.
  • the FIG. 2 is a schematic representation of the structuring of a reusable printing form according to the invention, the pressure surface having a treated with at least one amphiphilic organic compound whose polar region has an acidic character, treated metal surface by means of the inventive method.
  • the FIG. 2 shows three states of the printing plate 30, whose temporal order is indicated by the arrows.
  • the printing form 30 is present with a large area of hydrophobic printing surface 32.
  • By local, pointwise, selective imaging hydrophilic region 34 are generated on the surface of the printing plate 30.
  • the surface thus has a structure of hydrophobic regions 32 and hydrophilic regions 34, so that they can be used for printing, in particular in an offset printing process.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Materials For Photolithography (AREA)
  • Graft Or Block Polymers (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
EP03011112A 2002-06-17 2003-05-22 Wiederverwendbare Druckform Expired - Lifetime EP1375136B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10227054A DE10227054B4 (de) 2002-06-17 2002-06-17 Wiederverwendbare Druckform, Druckwerk und Druckmaschine damit sowie Verfahren zur Bebilderung der Druckform
DE10227054 2002-06-17

Publications (2)

Publication Number Publication Date
EP1375136A1 EP1375136A1 (de) 2004-01-02
EP1375136B1 true EP1375136B1 (de) 2008-02-13

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Country Status (7)

Country Link
EP (1) EP1375136B1 (zh)
JP (1) JP4679806B2 (zh)
CN (2) CN101121351B (zh)
AT (1) ATE385894T1 (zh)
DE (2) DE10227054B4 (zh)
DK (1) DK1375136T3 (zh)
HK (1) HK1062662A1 (zh)

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DE102004007600A1 (de) 2004-02-17 2005-09-01 Heidelberger Druckmaschinen Ag Druckform mit mehreren flächigen Funktionszonen
ATE378191T1 (de) 2004-07-16 2007-11-15 Heidelberger Druckmasch Ag Wiederverwendbare druckform
US8256347B2 (en) 2005-03-09 2012-09-04 Heidelberger Druckmaschinen Ag Method and apparatus for treating a reimagable printing plate
DE102005011192A1 (de) 2005-03-09 2006-09-28 Heidelberger Druckmaschinen Ag Verfahren und Vorrichtung zum Behandeln einer wiedergebilderbaren Druckform
US7709185B2 (en) 2006-03-24 2010-05-04 Heidelberger Druckmaschinen Ag Method for imaging a lithographic printing form
DE102006047596A1 (de) * 2006-10-09 2008-04-10 Heidelberger Druckmaschinen Ag Verfahren zur Behandlung einer wiederbebilderbaren Druckform
US8276512B2 (en) 2006-12-20 2012-10-02 Heidelberger Druckmaschinen Ag Process and apparatus for treating an imaged printing form, re-imageable printing form and machine for processing printing material
JP2008155633A (ja) * 2006-12-20 2008-07-10 Heidelberger Druckmas Ag 再印刷画像形成可能な印刷版の処理方法
DE102007057798B4 (de) 2006-12-20 2018-12-06 Heidelberger Druckmaschinen Ag Verfahren zum Behandeln einer drucktechnischen Oberfläche
DE102007041378B4 (de) 2007-06-01 2010-08-12 Koenig & Bauer Aktiengesellschaft Verfahren zur Behandlung einer reversiblen Druckform für das Nass-Offsetverfahren
DE102008027035A1 (de) * 2007-06-28 2009-01-08 Heidelberger Druckmaschinen Ag Messfeld zum Bestimmen der Schmiergrenze beim Drucken
DE102008031140A1 (de) 2007-07-19 2009-01-22 Heidelberger Druckmaschinen Ag Vorrichtung und Verfahren zum Behandeln einer rotierenden drucktechnischen Oberfläche mit einer Prozessflüssigkeit
CN101181848B (zh) * 2007-12-27 2011-04-06 中国印钞造币总公司 一种凹印版及其制作方法和真空沉积镀膜装置
CN101628514B (zh) 2008-07-16 2012-05-30 海德堡印刷机械股份公司 通过至少一种液体处理可重复使用的印刷技术表面的方法
US8807029B2 (en) 2008-08-06 2014-08-19 Thomas E. Lewis Plateless lithographic printing
US8256346B2 (en) 2008-08-06 2012-09-04 Lewis Thomas E Plateless lithographic printing
DE102009034237A1 (de) 2008-08-18 2010-02-25 Heidelberger Druckmaschinen Ag Vorrichtung zum berührungslosen Übertragen von Druckflüssigkeit
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WO2011046780A1 (en) 2009-10-13 2011-04-21 Nanda Nathan Pulsed high-power laser apparatus and methods
DE102011012891A1 (de) 2010-03-29 2011-09-29 Heidelberger Druckmaschinen Ag Rotationsdruckwerk mit einem Druckformzylinder und einem Übertragungszylinder
DE102011106799A1 (de) 2010-08-04 2012-02-09 Heidelberger Druckmaschinen Aktiengesellschaft Verfahren zum Wiederbebildern einer abgedruckten Druckform
DE102012021983A1 (de) 2012-06-15 2013-12-19 Heidelberger Druckmaschinen Ag Verfahren zum indirekten Auftragen von Druckflüssigkeit auf einen Bedruckstoff
DE102013017055A1 (de) * 2012-11-08 2014-05-08 Heidelberger Druckmaschinen Ag Druckplatte für den Offsetdruck
DE102012022782A1 (de) 2012-11-22 2013-12-24 Heidelberger Druckmaschinen Ag Reinigungsmittel zum gleichzeitigen Reinigen und Beschichten von Oberflächen
DE102015202048B3 (de) * 2015-02-05 2016-02-25 Koenig & Bauer Ag Verfahren zum Bearbeiten einer Offsetdruckplatte und Offsetdruckmaschine
JPWO2020262686A1 (zh) * 2019-06-28 2020-12-30

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JP2004042633A (ja) 2004-02-12
CN101121351B (zh) 2012-02-22
DE10227054B4 (de) 2013-01-03
EP1375136A1 (de) 2004-01-02
DE50309140D1 (de) 2008-03-27
CN101121351A (zh) 2008-02-13
DK1375136T3 (da) 2008-06-02
HK1062662A1 (en) 2004-11-19
CN1470396A (zh) 2004-01-28
DE10227054A1 (de) 2003-12-24
ATE385894T1 (de) 2008-03-15
CN1329212C (zh) 2007-08-01

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