EP1340623A2 - Oberfläche für Maschinenteile einer Druckmaschine - Google Patents
Oberfläche für Maschinenteile einer Druckmaschine Download PDFInfo
- Publication number
- EP1340623A2 EP1340623A2 EP03002784A EP03002784A EP1340623A2 EP 1340623 A2 EP1340623 A2 EP 1340623A2 EP 03002784 A EP03002784 A EP 03002784A EP 03002784 A EP03002784 A EP 03002784A EP 1340623 A2 EP1340623 A2 EP 1340623A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller according
- dampening roller
- coating
- dampening
- carrier layer
- 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
- 238000007639 printing Methods 0.000 title claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 42
- 239000011248 coating agent Substances 0.000 claims abstract description 35
- 239000011148 porous material Substances 0.000 claims abstract description 25
- 239000000654 additive Substances 0.000 claims description 10
- -1 polysiloxane Polymers 0.000 claims description 8
- 239000002105 nanoparticle Substances 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 229910044991 metal oxide Inorganic materials 0.000 claims description 4
- 238000003618 dip coating Methods 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 2
- 125000003158 alcohol group Chemical group 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 150000002772 monosaccharides Chemical class 0.000 claims description 2
- 150000002482 oligosaccharides Polymers 0.000 claims description 2
- 229920000620 organic polymer Polymers 0.000 claims description 2
- 229920001282 polysaccharide Polymers 0.000 claims description 2
- 239000005017 polysaccharide Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000004528 spin coating Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 239000004094 surface-active agent Substances 0.000 claims description 2
- 238000007751 thermal spraying Methods 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 1
- 230000001680 brushing effect Effects 0.000 claims 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims 1
- 229910052814 silicon oxide Inorganic materials 0.000 claims 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 18
- 238000013016 damping Methods 0.000 abstract 2
- 239000002346 layers by function Substances 0.000 abstract 2
- 239000010408 film Substances 0.000 description 6
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009736 wetting Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 230000005660 hydrophilic surface Effects 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
- 229960002796 polystyrene sulfonate Drugs 0.000 description 1
- 239000011970 polystyrene sulfonate Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- B41F7/26—Damping devices using transfer rollers
-
- 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
- B41N7/00—Shells for rollers of printing machines
- B41N7/04—Shells for rollers of printing machines for damping rollers
-
- 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
- B41N2207/00—Location or type of the layers in shells for rollers of printing machines
- B41N2207/02—Top layers
Definitions
- the invention relates to a dampening roller for dampening units in printing presses with a coating, consisting of a carrier layer with an applied hydrophilic functional coating.
- the dampening roller is used in particular as a metering roller or friction roller.
- the dampening roller is part of a dampening unit, as is the case, for example, in commercial offset printing machines Is used.
- a dampening solution film is applied with the dampening system the non-printing areas of the printing plate, which prevents them from printing with ink be wetted.
- the formation of the dampening solution film depends on several factors, especially the surface tension of the dampening solution and the material properties the dampening rollers.
- the dampening rollers in contact with each other draw the dampening solution from one Fountain solution reservoir and convey it to the printing plate, on which it is from the dampening roller is applied in the form of a film.
- Good wettability of the roller surfaces the dampening solution promotes the formation of an even, thin and closed Film on the non-printing areas of the printing plate.
- the amount of additives added to the dampening solution to reduce the surface tension when the dampening system produces a stable dampening film.
- dampening rollers are known, one by thermal spraying applied ceramic coating from the oxides or oxide mixtures of the elements Have hafnium, cerium, titanium and tantalum.
- DE 197 27 829 A1 discloses a dampening roller as known, which has a microporous, plasma-nitrided stainless steel coating. The surface layer is made by plasma nitriding applied.
- the outer surface of a dampening roller is proposed to be coated with zirconium oxide and / or yttrium oxide.
- dampening rollers of this type are their good wear resistance. They prove themselves with regard to their wetting behavior towards the dampening solution however, not sufficiently hydrophilic.
- the object of the invention results from the disadvantages mentioned, with a dampening roller To create a hydrophilic surface that is wear-resistant and regenerated can.
- the invention is based on the knowledge that the chemical properties of dampening rollers can be significantly improved by applying special coatings, the resistance of the applied coatings to wear is crucial depends on the anchoring of the coating in the underlying layer.
- pores are suitably shaped as anchoring points in the present invention provided into which the functional coating, which is applied in liquid form, penetrate can, before drying and subsequent thermal treatment is cured. It is important here that the size of the pores is set so that at repeated application of the functional coating, sufficient pore volume is still available is also entitled to other functional coatings applied after the first anchor. This ensures that the surface regenerates by re-coating can be.
- the formation of pores with irregular has been found to be advantageous Proven diameters, i.e. that both the diameter from pore to pore, as well the diameter of the individual pores fluctuate in a certain range. A surface with particularly stable properties can be created, even if the alignment the pores are irregular and the pores in particular are not radial to the cylinder axis run.
- a pore structure that meets these requirements can be easily created by thermal Generate syringes.
- the dampening roller according to the invention can be used in any type of dampening unit. Representative of these are in FIGS. 1 and 2, a four-roller dampening system and a combined inking / dampening unit shown.
- the dampening solution is used in both dampening systems 13 scooped from a dampening solution tank 12 by means of an immersion roller 8 and in shape a film on the lateral surface of the rollers 9, 10, 11 downstream of the immersion roller 8 transported to the plate cylinder 7 and with the dampening roller 10 as a thin film applied to the pressure plate.
- the dampening unit type shown in Fig. 1 is the invention Dampening roller used as an immersion roller 8 and as a dampening roller 11.
- the dampening roller according to the invention used as a transfer roller 9.
- the dampening roller consists of a cast base body, on which one example carrier layer 1 produced in the plasma coating process is applied (see FIG 3). This is done using metallic or metal oxide powders preferably have grain sizes between 5 and 50 microns. Between the carrier layer 1 and base body can be an adhesion promoter layer, not shown in the figures be provided.
- the targeted setting of the parameters during plasma spraying results in random Distribution of unaligned pores 2 in the carrier layer 1, which vary in size and have a diameter of 5 to 10 microns. Depending on the parameters at the Coating can also cause micro cracks.
- the functional coating 5, 6 can be made in one or more layers. Your Total layer thickness is smaller than the diameter of the pores 2 of the carrier material, i.e. that the summed thickness of the areas lying opposite one another in the interior of the pores 2 the functional coating 5, 6 is always smaller than the pore diameter.
- Modified inorganic nanosols are used as coating material.
- the modified inorganic nanosols consist of at least two components.
- the first component includes inorganic oxide nanoparticles from elements of II.-V. Main and subgroup of the periodic table or their mixtures. These are preferably nanoparticles consisting of SiO 2 , TiO 2 , Al 2 O 3 or their mixtures in aqueous, alcoholic or mixed solvents.
- the second component consists of the coating material for admixable additives Achieving the hydrophilic behavior and increasing the surface energy of the coating.
- the additives mentioned above can be used individually or in combination of two or more be used.
- the coating can be produced in a simple manner using the sol-gel process.
- the nanosol produced is coated using known coating methods, such as spraying, Brush, dip, spin or dip coating, with a defined coating thickness applied.
- the coating solution is evenly distributed on the surface of the Carrier layer 1 and also penetrates into the interior of the pores 2 in the carrier layer 1 without however, to add the pores 2.
- the layer will go through later Dried the solvent removed.
- the dried layer is then through Annealing fixed.
- the temperatures are preferably between 120 and 200 ° C. If inorganic iso- or heteropolyacids are used as additives (see above, last Painting), the tempering temperature can be up to 600 ° C.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Presses (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
Description
- Fig. 1
- die schematische Darstellung eines Vierwalzenfeuchtwerkes,
- Fig. 2
- die schematische Darstellung eines kombinierten Farb-/Feuchtwerks,
- Fig. 3
- einen Ausschnitt aus der Oberfläche einer Feuchtwalze mit Poren und
- Fig. 4
- die erfindungsgemäße Oberfläche, bestehend aus einer Trägerschicht mit aufgebrachter zweischichtiger Funktionsbeschichtung.
- Tensid-Verbindungen, bestehend aus langkettigen Alkyl- oder Fluoralkylresten mit mehr als 8 Kohlenstoffatomen und ein oder mehreren positiv oder negativ geladenen ionischen Endgruppen (z.B. 8% Cetyltrimethylammoniumbromid CTAB oder 2% Natriumdodecylsulfat oder 15% Perfluoralkylsulfonat FT2)
- Polysiloxan-Verbindungen mit hydrophilen Seiten- oder Endgruppen, vorzugsweise Ethylenoxid- oder Alkoholgruppen (z.B. 16% Polysiloxan NM4 oder 50% Polysiloxan A200)
- organische Polymere mit positiv oder negativ geladenen ionischen Seiten- oder Endgruppen (z.B. 2% Polystyrensulfonat 3000)
- wasserlösliche Mono-, Oligo- und Polysaccharid-Verbindungen und Derivate (z.B. 20% Sorbit)
- anorganische Iso- und Heteropolysäuren (z.B. 20% P2O5)
- 1
- Trägerschicht
- 2
- Pore
- 3
- Profilhöhe
- 4
- Profiltiefe
- 5
- Ersterzeugte Funktionsbeschichtung
- 6
- Regenerierte Funktionsbeschichtung
- 7
- Plattenzylinder
- 8
- Tauchwalze
- 9
- Übertragungswalze
- 10
- Feuchtauftragswalze
- 11
- Feuchtreiberwalze
- 12
- Feuchtmittelbehälter
- 13
- Feuchtmittel
Claims (18)
- Feuchtwalze für Feuchtwerke in Druckmaschinen mit einer Beschichtung, bestehend aus einer Trägerschicht (1) aufgebrachter hydrophiler Funktionsbeschichtung (5, 6), wobei die Trägerschicht (1) Poren (2) aufweist, in deren Innenraum die ein- oder mehrschichtige Funktionsbeschichtung (5, 6) hineinreicht, deren Gesamtschichtdicke kleiner ist als der Durchmesser der Poren (2) der Trägerschicht (1).
- Feuchtwalze nach Anspruch 1, wobei die Poren (2) unausgerichtet zueinander verlaufen und unregelmäßigen Durchmesser aufweisen.
- Feuchtwalze nach Anspruch 1 oder 2, wobei die Poren (2) Durchmesser im Bereich von 5 bis 10 µm aufweisen.
- Feuchtwalze nach einem der Ansprüche 1 bis 3, wobei die Trägerschicht (1) durch thermisches Spritzen aufgebracht ist.
- Feuchtwalze nach Anspruch 4, wobei die Trägerschicht (1) durch Plasmabeschichtung mit metallischen oder metalloxidischen Pulvern der Korngrößen von 5 bis 50 µm aufgebracht ist.
- Feuchtwalze nach einem der Ansprüche 1 bis 5, wobei als Funktionsbeschichtung (5, 6) eine Nanosol-Beschichtung vorgesehen ist.
- Feuchtwalze nach Anspruch 6, wobei die Nanosol-Beschichtung durch Sprüh-, Streich-, Tauch-, Schleuder- oder Tauchbegussbeschichtung aufgebracht ist.
- Feuchtwalze nach Anspruch 7, wobei die Nanosol-Beschichtung aus mit Additiven modifizierten anorganischen nanokristalllinen Partikeln besteht.
- Feuchtwalze nach Anspruch 8, wobei die nanokristalllinen Partikel aus Oxiden der Elemente der II. bis V. Haupt- und Nebengruppe oder deren Gemischen bestehen.
- Feuchtwalze nach Anspruch 8 oder 9, wobei die nanokristalllinen Partikel aus Siliziumoxid, Titanoxid oder Aluminiumoxid oder aus Gemischen der genannten Oxide bestehen.
- Feuchtwalze nach Anspruch 8, wobei als Additive Tensid-Verbindungen aus langkettigen Alkyl- oder Fluoralkylresten mit mehr als 8 Kohlenstoffatomen und ein oder mehreren positiv oder negativ geladenen ionischen Endgruppen eingesetzt werden.
- Feuchtwalze nach Anspruch 8, wobei als Additive Polysiloxan-Verbindungen mit hydrophilen Seiten- oder Endgruppen, vorzugsweise Ethylenoxid- oder Alkoholgruppen eingesetzt werden.
- Feuchtwalze nach Anspruch 8, wobei als Additive organische Polymere mit positiv oder negativ geladenen ionischen Seiten- oder Endgruppen eingesetzt werden.
- Feuchtwalze nach Anspruch 8, wobei als Additive wasserlösliche Mono-, Oligo- und Polysaccharid-Verbindungen und Derivate eingesetzt werden
- Feuchtwalze nach Anspruch 8, wobei als Additive anorganische Iso- und Heteropolysäuren eingesetzt werden
- Feuchtwalze nach den Ansprüchen 8 bis 14, wobei die Nanosol-Beschichtung mittels thermischer Nachbehandlung bei Temperaturen von vorzugsweise 120 bis 200°C fixierbar ist.
- Feuchtwalze nach den Ansprüchen 8 bis 10 und 15, wobei die Nanosol-Beschichtung mittels thermischer Nachbehandlung bis maximal 600°C fixierbar ist.
- Feuchtwalze nach einem der vorhergehenden Ansprüche, wobei die Trägerschicht raustrukturiert ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2002109296 DE10209296A1 (de) | 2002-03-01 | 2002-03-01 | Feuchtwalze für Feuchtwerke in Druckmaschinen |
| DE10209296 | 2002-03-01 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1340623A2 true EP1340623A2 (de) | 2003-09-03 |
| EP1340623A3 EP1340623A3 (de) | 2004-01-14 |
| EP1340623B1 EP1340623B1 (de) | 2006-06-07 |
Family
ID=27675175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20030002784 Expired - Lifetime EP1340623B1 (de) | 2002-03-01 | 2003-02-07 | Oberfläche für Maschinenteile einer Druckmaschine |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1340623B1 (de) |
| DE (2) | DE10209296A1 (de) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4321183A1 (de) | 1992-07-09 | 1994-01-13 | Heidelberger Druckmasch Ag | Feuchtwerkswalze einer Druckmaschine |
| DE4242620A1 (de) | 1992-12-17 | 1994-06-23 | Coatec Ges Fuer Oberflaechenve | Hydrophiler Keramiküberzug für Feuchtwalzen in Druckmaschinen |
| DE19516051A1 (de) | 1995-05-04 | 1996-11-07 | Boettcher Gmbh & Co Felix | Walzen, insbesondere Feuchtwalzen für Offsetdruckmaschinen und Verfahren zur Herstellung derselben |
| DE19727829A1 (de) | 1997-06-23 | 1998-12-24 | Haldenwanger Tech Keramik Gmbh | Feuchtwalze für Druckmaschinen und Verfahren zu ihrer Herstellung |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0698851B2 (ja) * | 1988-06-15 | 1994-12-07 | 新日本製鐵株式会社 | 平版印刷機の湿し水給水ローラ |
| JPH0767793B2 (ja) * | 1991-01-01 | 1995-07-26 | テクノロール株式会社 | 印刷機用ロール |
-
2002
- 2002-03-01 DE DE2002109296 patent/DE10209296A1/de not_active Withdrawn
-
2003
- 2003-02-07 EP EP20030002784 patent/EP1340623B1/de not_active Expired - Lifetime
- 2003-02-07 DE DE50303632T patent/DE50303632D1/de not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4321183A1 (de) | 1992-07-09 | 1994-01-13 | Heidelberger Druckmasch Ag | Feuchtwerkswalze einer Druckmaschine |
| DE4242620A1 (de) | 1992-12-17 | 1994-06-23 | Coatec Ges Fuer Oberflaechenve | Hydrophiler Keramiküberzug für Feuchtwalzen in Druckmaschinen |
| DE19516051A1 (de) | 1995-05-04 | 1996-11-07 | Boettcher Gmbh & Co Felix | Walzen, insbesondere Feuchtwalzen für Offsetdruckmaschinen und Verfahren zur Herstellung derselben |
| DE19727829A1 (de) | 1997-06-23 | 1998-12-24 | Haldenwanger Tech Keramik Gmbh | Feuchtwalze für Druckmaschinen und Verfahren zu ihrer Herstellung |
Also Published As
| Publication number | Publication date |
|---|---|
| DE50303632D1 (de) | 2006-07-20 |
| EP1340623A3 (de) | 2004-01-14 |
| DE10209296A1 (de) | 2003-09-18 |
| EP1340623B1 (de) | 2006-06-07 |
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