EP1225040A2 - Verfahren zum Bebildern von Oberflächen in Druckmaschinen - Google Patents
Verfahren zum Bebildern von Oberflächen in Druckmaschinen Download PDFInfo
- Publication number
- EP1225040A2 EP1225040A2 EP01128385A EP01128385A EP1225040A2 EP 1225040 A2 EP1225040 A2 EP 1225040A2 EP 01128385 A EP01128385 A EP 01128385A EP 01128385 A EP01128385 A EP 01128385A EP 1225040 A2 EP1225040 A2 EP 1225040A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- hydrophilic
- adhesion promoter
- printing
- imaging surfaces
- hydrophobic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/10—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
- B41C1/1066—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by spraying with powders, by using a nozzle, e.g. an ink jet system, by fusing a previously coated powder, e.g. with a laser
Definitions
- the invention relates to a method for imaging surfaces in printing machines, the surface to be imaged made of a hydrophilic material exists or the surface to be imaged with a hydrophilic coating provided and on this hydrophilic surface at the motif-forming points hydrophobic material is applied by means of a jet printer.
- a method for producing a Printing plate which starts from a hydrophilic plate surface.
- Data are provided that are to be printed on a carrier Define graphics and / or text.
- the data is stored in a computer machine data suitable for operating a machine.
- the selected sections of the plate surface covered with an imaging Material to be coated are defined.
- a jet printing device with a jet print head provided on the selected sections applies the imaging material to the plate surface and the others Leaves sections of the plate surface free.
- a stock of photosensitive liquid imaging material is provided, curable to create hydrophobic areas on the plate surface is. Then the imaging material is exposed to radiation energy, to create a hardened image.
- the object is characterized by the features of the 1st and 2nd claims solved.
- the use of the method according to the invention has the advantage that can now train the motif-forming points with sharp edges and run into each other the coatings are excluded. It is irrelevant whether the hydrophobic material of the motif-forming elements on the hydrophilic Coating is applied or the motif-forming areas by covering the hydrophobic surface can be generated with hydrophilic material.
- the first embodiment is based on a conventional plate cylinder from whose surface is provided with a hydrophilic surface.
- this plate cylinder is provided with a pressure plate, the has a hydrophilic coating. It is also possible in an upstream Processing step with the plate cylinder or the printing plate to provide such a coating.
- an adhesion promoter On the hydrophilic surface in the motif-forming areas by a Inkjet printer applied an adhesion promoter. To its adherence to ensure the hydrophilic coating of the plate cylinder or the printing plate, is a wetting agent common in the printing industry.
- the adhesion promoter has a fine porous structure. This structure is targeted generated by adding a foaming agent in the required amount. This foaming agent not only forms the fine-porous structure, but in particular also profiled an open-pore surface.
- This open-pored surface forms the basis for the immediately after the Imaging of the adhesive agent.
- the imaging is done by the motivation-forming, provided with the adhesion promoter, by a hydrophobic material.
- the open porosity of the adhesion promoter increases not only the adhesion of the hydrophobic material, but also keeps it in the open pores of the surface and prevents it from running. With that appear the edges of the motif-forming areas have sharp edges.
- a conventional plate cylinder assumed, the surface of which is provided with a hydrophobic surface.
- this plate cylinder is provided with a pressure plate, which has a hydrophobic coating. It is also possible in the plate cylinder or the printing plate in an upstream processing step only to be provided with such a coating.
- adhesion promoter is applied to an ink jet printer.
- This adhesion promoter has properties similar to those described in the first embodiment Adhesion promoter and adheres well to the hydrophobic surface.
- hydrophilic material is applied to the open-pore surface of the coupling agent. This material is also determined by the property of the adhesion promoter well fixed on the surface and forms sharp transitions.
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
- Printing Plates And Materials Therefor (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Ink Jet (AREA)
Abstract
Description
Claims (7)
- Verfahren zum Bebildern von Oberflächen in Druckmaschinen, wobei die zu bebildernde Oberfläche aus einem hydrophilen Material besteht oder die zu bebildernde Oberfläche mit einer hydrophilen Beschichtung versehen und diese hydrophile Oberfläche bebildert wird, indem an den motivbildenden Stellen durch einen Strahldrucker hydrophobes Material aufgebracht wird, dadurch gekennzeichnet, dass an den motivbildenden Stellen unmittelbar vor dem Auftragen des hydrophoben Materials ein Haftvermittler auf die hydrophile Oberfläche aufgetragen wird.
- Verfahren zum Bebildern von Oberflächen in Druckmaschinen, wobei die zu bebildernde Oberfläche aus einem hydrophoben Material besteht oder die zu bebildernde Oberfläche mit einer hydrophoben Beschichtung versehen und diese hydrophobe Oberfläche bebildert wird, indem an den nicht motivbildenden Stellen durch einen Strahldrucker hydrophiles Material aufgebracht wird, dadurch gekennzeichnet, dass an den motivbildenden Stellen vor dem Auftragen des hydrophilen Materials ein Haftvermittler auf die hydrophobe Oberfläche aufgetragen wird.
- Verfahren zum Bebildern von Oberflächen in Druckmaschinen nach Anspruch 1 und 2, dadurch gekennzeichnet, dass der Haftvermittler durch den Strahldrucker aufgetragen wird.
- Verfahren zum Bebildern von Oberflächen in Druckmaschinen nach Anspruch 1 und 2, dadurch gekennzeichnet, dass der Auftrag des Haftvermittlers zeitlich unmittelbar vor dem Auftragen des hydrophilen bzw. hydrophoben Materials erfolgt.
- Verfahren zum Bebildern von Oberflächen in Druckmaschinen nach Anspruch 1 und 2, dadurch gekennzeichnet, dass der Haftvermittler ein Netzmittel enthält.
- Verfahren zum Bebildern von Oberflächen in Druckmaschinen nach Anspruch 1 und 2, dadurch gekennzeichnet, dass der Haftvermittler eine feinporöse Struktur aufweist, wobei die Oberfläche des aufgebrachten Haftvermittlers offenporig ist.
- Verfahren zum Bebildern von Oberflächen in Druckmaschinen nach Anspruch 1 und 2, dadurch gekennzeichnet, dass dem Haftvermittler ein Schaumbildner beigemischt ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10102562 | 2001-01-20 | ||
DE10102562A DE10102562A1 (de) | 2001-01-20 | 2001-01-20 | Verfahren zum Bebildern von Oberflächen in Druckmaschinen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1225040A2 true EP1225040A2 (de) | 2002-07-24 |
EP1225040A3 EP1225040A3 (de) | 2004-01-02 |
EP1225040B1 EP1225040B1 (de) | 2006-06-28 |
Family
ID=7671233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01128385A Expired - Lifetime EP1225040B1 (de) | 2001-01-20 | 2001-12-03 | Verfahren zum Bebildern von Oberflächen in Druckmaschinen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1225040B1 (de) |
AT (1) | ATE331618T1 (de) |
DE (2) | DE10102562A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008035052A1 (de) * | 2008-07-26 | 2010-01-28 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zur Bearbeitung eines Bauteils, insbesondere eines Außenhautteils eines Fahrzeugs |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0641648A1 (de) * | 1993-09-03 | 1995-03-08 | Uri Adler | Verfahren und Vorrichtung zur Herstellung von photopolymeren Druckplatten |
GB2344069A (en) * | 1998-07-27 | 2000-05-31 | Eastman Kodak Co | Imaging and printing methods to form fingerprint protected imaging member |
WO2000046029A1 (en) * | 1999-02-04 | 2000-08-10 | Kodak Polychrome Graphics Company Ltd. | Imaging and printing methods using clay-containing fluid receiving element |
WO2000076779A1 (en) * | 1999-06-11 | 2000-12-21 | Kodak Polychrome Graphics Co. Ltd. | Surfactant-pretreated printing plate substrate, lithographic printing plate and method for production thereof |
-
2001
- 2001-01-20 DE DE10102562A patent/DE10102562A1/de not_active Withdrawn
- 2001-12-03 AT AT01128385T patent/ATE331618T1/de not_active IP Right Cessation
- 2001-12-03 DE DE50110329T patent/DE50110329D1/de not_active Expired - Lifetime
- 2001-12-03 EP EP01128385A patent/EP1225040B1/de not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0641648A1 (de) * | 1993-09-03 | 1995-03-08 | Uri Adler | Verfahren und Vorrichtung zur Herstellung von photopolymeren Druckplatten |
GB2344069A (en) * | 1998-07-27 | 2000-05-31 | Eastman Kodak Co | Imaging and printing methods to form fingerprint protected imaging member |
WO2000046029A1 (en) * | 1999-02-04 | 2000-08-10 | Kodak Polychrome Graphics Company Ltd. | Imaging and printing methods using clay-containing fluid receiving element |
WO2000076779A1 (en) * | 1999-06-11 | 2000-12-21 | Kodak Polychrome Graphics Co. Ltd. | Surfactant-pretreated printing plate substrate, lithographic printing plate and method for production thereof |
Also Published As
Publication number | Publication date |
---|---|
EP1225040A3 (de) | 2004-01-02 |
DE50110329D1 (de) | 2006-08-10 |
EP1225040B1 (de) | 2006-06-28 |
ATE331618T1 (de) | 2006-07-15 |
DE10102562A1 (de) | 2002-07-25 |
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