EP2049342A1 - Rubber rollers with rough surface - Google Patents

Rubber rollers with rough surface

Info

Publication number
EP2049342A1
EP2049342A1 EP07802551A EP07802551A EP2049342A1 EP 2049342 A1 EP2049342 A1 EP 2049342A1 EP 07802551 A EP07802551 A EP 07802551A EP 07802551 A EP07802551 A EP 07802551A EP 2049342 A1 EP2049342 A1 EP 2049342A1
Authority
EP
European Patent Office
Prior art keywords
transfer roller
ink transfer
rubber
ink
roller
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
Application number
EP07802551A
Other languages
German (de)
French (fr)
Other versions
EP2049342B1 (en
Inventor
Barbara BÄCKER
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.)
Felix Bottcher & Co KG GmbH
Felix Boettcher GmbH and Co KG
Original Assignee
Felix Bottcher & Co KG GmbH
Felix Boettcher GmbH and Co KG
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
Application filed by Felix Bottcher & Co KG GmbH, Felix Boettcher GmbH and Co KG filed Critical Felix Bottcher & Co KG GmbH
Priority to PL07802551T priority Critical patent/PL2049342T3/en
Priority to SI200730823T priority patent/SI2049342T1/en
Publication of EP2049342A1 publication Critical patent/EP2049342A1/en
Application granted granted Critical
Publication of EP2049342B1 publication Critical patent/EP2049342B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B41N7/00—Shells for rollers of printing machines
    • B41N7/06—Shells for rollers of printing machines for inking rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/193—Transfer cylinders; Offset cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/26—Construction of inking 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
    • 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
    • B41N2207/14—Location or type of the layers in shells for rollers of printing machines characterised by macromolecular organic compounds

Definitions

  • the present invention relates to rubber-coated ink transfer rollers, processes for their preparation and their use.
  • Ink units in offset printing presses are often equipped with film inking units.
  • the ink feed takes place continuously from the ink fountain via the ink ductor to the adjacent film roller.
  • Between the ink fountain roller and the film roller is a gap of about 0.04 to 0.10 mm.
  • a rubberized (rubber-coated) ink transfer roller in the hardness range of 20-80 Shore A is employed on the film roller.
  • Rubberized ink rollers in offset printing generally have a smooth surface with average surface roughness Rz of ⁇ 20 microns, typically ⁇ 10 microns.
  • EP 0 662 394 A1 relates to a pressure roller with grooves, by means of which a diamond pattern is formed.
  • the roller described therein is employed in an inking unit to a ductor and corresponds to a film roller.
  • DE 71 41 940 relates to a fountain roller for inking units.
  • the fountain roller has crosswise depressions so that diamond-shaped surfaces are created.
  • Object of the present invention was to avoid the problems mentioned, in particular to reduce the problem of paint spraying or color fogging.
  • the surface of the rubber-coated ink transfer roller has an average roughness depth Rz of 30 to 80 ⁇ m and a maximum roughness depth R max of 40 to 120 ⁇ m.
  • the rubber-coated ink transfer roller has a free specific volume Vi between 0.001 and 0.1 mm 3 / mm 2 .
  • the rubber-coated ink transfer roller has a free specific volume V 2 between 0.02 and 1.5 mm 3 / mm 2 .
  • the roughness depths are measured with a roughness measuring instrument using the stylus method (Perthometer) according to DIN EN ISO 4287.
  • the average surface roughness is in the range of 40 to 60 microns and / or the maximum surface roughness between 60 and 100 microns.
  • a suitable method for producing such ink transfer rollers is based on the processing of a rubber-coated roller with a hedgehog cutter. As a result, the uppermost rubber layer is removed, and it remains an irregular structure, which partially has a scale-like appearance (see Figure 1).
  • the structures according to the invention are rough and uneven.
  • the structure is scaly and random. It contains no superordinate structures such as grooves or diamonds.
  • Suitable rubber materials for the ink transfer roller are acrylonitrile-butadiene rubber (NBR), hydrogenated acrylonitrile-butadiene rubber (HNBR), chloroprene rubber. rubber (CR), epichlorohydrin rubber (ECO), styrene-butadiene rubber (SBR), as well as copolymers and blends.
  • the ink transfer roller has a core of a dimensionally stable material, for example made of steel, aluminum or carbon fiber reinforced plastics (CFRP) or glass fiber reinforced plastics (GRP).
  • CFRP carbon fiber reinforced plastics
  • GFP glass fiber reinforced plastics
  • the free volumes Vi and V 2 can be measured with an RFT MicroProf ® with chromatic sensor (CWL).
  • CWL chromatic sensor
  • the samples are illuminated with focused white light.
  • the sensor measures the wavelength-dependent (chromatic) distribution of the reflected light and uses this to determine the absolute height information.
  • a surface topography is obtained as a quantitatively present data field so that any distances, heights and angles, roughnesses and undulations as well as flatnesses in images can be measured after the measurement.
  • the volumes Vi and V 2 which can be calculated from the topographical recordings are suitable for characterizing the surfaces.
  • the filling volume Vi is the filling volume from the lowest measuring point to the height of the middle level, which in this case is assigned to the height value 0.
  • the filling volume V 2 is determined from the lowest to the highest measuring point within a topographic image.
  • FIG. 2 schematically shows the differences between the filling volumes Vi and V 2 .
  • the calculated volumes are presented by means of the gray area.
  • the subject matter is also the use of a rubber-coated roller with an average roughness R z of 30 to 80 microns and a maximum surface roughness R ma ⁇ from 40 to 120 microns as ink transfer roller, especially in offset printing process.
  • R z average roughness of 30 to 80 microns
  • R ma ⁇ maximum surface roughness from 40 to 120 microns
  • Another embodiment of the invention is an inking unit containing the ink transfer roller according to the invention.
  • FIG. 1 shows a topographic image of the surface with a chromatic sensor (CWL).
  • CWL chromatic sensor
  • Figure 2 shows the difference between the free volumes Vi (left) and V 2 (right).
  • FIG. 3 shows schematically parts of an inking unit. This comprises a Farbduk- gate 1, a film roller 2 and a ink transfer roller 3.
  • a fountain roller 5 and a paint box 6 with a color 7 is additionally shown.
  • a paint transfer roller having a diameter of 105 mm and a length of 1035 mm with a core of steel and an NBR coating was processed with a single grit rubber hog wheel. For this purpose, the following processing conditions were met.
  • the roughness depth was measured on the roller thus obtained.
  • the R max value was 80 ⁇ m, an average roughness R z was about 52 ⁇ m.
  • Vi was 0.012 mm 3 / mm 2 , V 2 was 0.191 mm 3 / mm 2 . It is important that feed marks are avoided by a uniform processing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Printing Plates And Materials Therefor (AREA)

Abstract

Rubber-coated color transfer roller with a hardness range of 20-80 Shore A having a rubberized surface with an average surface roughness R<SUB>z</SUB> of 30 to 80 µm, a maximum surface roughness R<SUB>max</SUB> of 40 to 120 µm, a free specific 5 volume V<SUB>1</SUB> between 0.001 and 0.1 mm<SUP>3</SUP>/mm<SUP>2</SUP> and a free specific volume V<SUB>2</SUB> between 0.02 and 1.5 mm<SUP>3</SUP>/mm<SUP>2</SUP>.

Description

Gummiwalzen mit rauer Oberfläche Rubber rollers with a rough surface
Die vorliegende Erfindung betrifft gummibeschichtete Farbübertragwalzen, Verfahren zu ihrer Herstellung und ihre Verwendung.The present invention relates to rubber-coated ink transfer rollers, processes for their preparation and their use.
Farbwerke in Offsetdruckmaschinen sind häufig mit Filmfarbwerken ausgestattet. Hier erfolgt die Farbzuführung kontinuierlich aus dem Farbkasten über den Farb- duktor auf die benachbarte Filmwalze. Zwischen dem Farbduktor und der Filmwalze befindet sich ein Spalt von etwa 0,04 bis 0,10 mm. Zum Transport der Druckfarbe in das Walzensystem des Farbwerks ist an die Filmwalze eine gummierte (gummibeschichtete) Farbübertragwalze im Härtebereich von 20-80 Shore A angestellt. Gummierte Farbwalzen im Offsetdruck weisen in der Regel eine glatte Oberfläche mit gemittelten Rautiefen Rz von < 20 μm, typischerweise < 10 μm auf.Ink units in offset printing presses are often equipped with film inking units. Here, the ink feed takes place continuously from the ink fountain via the ink ductor to the adjacent film roller. Between the ink fountain roller and the film roller is a gap of about 0.04 to 0.10 mm. To transport the ink into the roller system of the inking unit, a rubberized (rubber-coated) ink transfer roller in the hardness range of 20-80 Shore A is employed on the film roller. Rubberized ink rollers in offset printing generally have a smooth surface with average surface roughness Rz of <20 microns, typically <10 microns.
EP 0 662 394 Al betrifft eine Druckwalze mit Rillen, durch die ein Rautenmuster gebildet wird. Die dort beschriebene Walze wird in einem Farbwerk an einen Duktor angestellt und entspricht einer Filmwalze.EP 0 662 394 A1 relates to a pressure roller with grooves, by means of which a diamond pattern is formed. The roller described therein is employed in an inking unit to a ductor and corresponds to a film roller.
DE 71 41 940 betrifft eine Tauchwalze für Farbwerke. Die Tauchwalze weist kreuzweise Vertiefungen aus, so dass rautenförmige Flächen entstehen.DE 71 41 940 relates to a fountain roller for inking units. The fountain roller has crosswise depressions so that diamond-shaped surfaces are created.
Typischerweise liegt im Bereich der Zuführung der Druckfarbe eine höhere Farbschichtdicke vor als im weiteren Verlauf des Farbwerks. Dabei tritt zwischen dem Farbduktor und der Filmwalze ein Farbspritzen auf, insbesondere an den auslaufenden Walzenspalten.Typically, there is a higher ink layer thickness in the area of the feed of the printing ink than in the further course of the inking unit. In this case, occurs between the ink fountain roller and the film roll a splash of paint, especially at the expiring nips.
Aufgabe der vorliegenden Erfindung war es, die genannten Probleme zu vermeiden, insbesondere das Problem des Farbspritzen bzw. Farbvernebelns zu reduzieren.Object of the present invention was to avoid the problems mentioned, in particular to reduce the problem of paint spraying or color fogging.
Überraschenderweise wurde gefunden, dass sich dies Problem reduzieren lässt, wenn eine gummibeschichtete Farbübertragwalze eingesetzt wird, die eine raue Oberfläche aufweist. Diese hat die Eigenschaft den Farbfilm effektiver von der Filmwalze ins Farbwerk zu fördern. Aufgrund dieser Tatsache kann das Farbangebot - also die Farbschichtdicke der Filmwalze - reduziert werden, was sich positiv auf das Problem des Nebeins und Farbspritzens auswirkt.Surprisingly, it has been found that this problem can be reduced when a rubber-coated ink transfer roller is used, which is a rough Surface has. This has the property of promoting the paint film more effectively from the film roll to the inking unit. Due to this fact, the color offer - ie the ink layer thickness of the film roller - can be reduced, which has a positive effect on the problem of the nebula and paint spraying.
Erfindungsgemäß weist die Oberfläche der gummibeschichteten Farbübertragwalze eine gemittelte Rautiefe Rz von 30 bis 80 μm und eine maximale Rautiefe Rmax von 40 bis 120 μm auf.According to the invention, the surface of the rubber-coated ink transfer roller has an average roughness depth Rz of 30 to 80 μm and a maximum roughness depth R max of 40 to 120 μm.
Bevorzugt weist die gummibeschichtete Farbübertragwalze ein freies spezifisches Volumen Vi zwischen 0,001 und 0,1 mm3/mm2 auf.Preferably, the rubber-coated ink transfer roller has a free specific volume Vi between 0.001 and 0.1 mm 3 / mm 2 .
Es ist bevorzugt, dass die gummibeschichtete Farbübertragwalze ein freies spezifisches Volumen V2 zwischen 0,02 und 1,5 mm3/mm2 aufweist.It is preferred that the rubber-coated ink transfer roller has a free specific volume V 2 between 0.02 and 1.5 mm 3 / mm 2 .
Gemessen werden die Rautiefen mit einem Rauheitsmessgerät im Tastschnittverfahren (Perthometer) nach DIN EN ISO 4287.The roughness depths are measured with a roughness measuring instrument using the stylus method (Perthometer) according to DIN EN ISO 4287.
Bevorzugt liegt die mittlere Rautiefe im Bereich von 40 bis 60 μm und/oder die maximale Rautiefe zwischen 60 und 100 μm.Preferably, the average surface roughness is in the range of 40 to 60 microns and / or the maximum surface roughness between 60 and 100 microns.
Ein geeignetes Verfahren zur Herstellung solcher Farbübertragwalzen beruht auf der Bearbeitung einer gummibeschichtete Walze mit einem Igelfräser. Hierdurch wird die oberste Gummischicht entfernt, und es verbleibt eine unregelmäßige Struktur, die teilweise eine schuppenartige Erscheinung hat (siehe Figur 1).A suitable method for producing such ink transfer rollers is based on the processing of a rubber-coated roller with a hedgehog cutter. As a result, the uppermost rubber layer is removed, and it remains an irregular structure, which partially has a scale-like appearance (see Figure 1).
Die erfindungsgemäßen Strukturen sind rau und ungleichmäßig. Die Struktur ist schuppig und zufällig. Sie enthält keine übergeordneten Strukturen wie Rillen oder Rauten.The structures according to the invention are rough and uneven. The structure is scaly and random. It contains no superordinate structures such as grooves or diamonds.
Geeignete Gummi-Materialien für die Farbübertragwalze sind Acrylnitril-Butadien- Kautschuk (NBR), hydrierter Acrylnitril-Butadien-Kautschuk (HNBR), Chloropren- kautschuk (CR), Epichlorhydrin-Kautschuk (ECO), Styrol-Butadien-Kautschuk (SBR) sowie Copolymere und Mischungen.Suitable rubber materials for the ink transfer roller are acrylonitrile-butadiene rubber (NBR), hydrogenated acrylonitrile-butadiene rubber (HNBR), chloroprene rubber. rubber (CR), epichlorohydrin rubber (ECO), styrene-butadiene rubber (SBR), as well as copolymers and blends.
Die Farbübertragwalze hat einen Kern aus einem formstabilen Material, beispielsweise aus Stahl, Aluminium oder carbonfaserverstärkten Kunststoffen (CFK) oder glasfaserverstärkten Kunststoffen (GFK).The ink transfer roller has a core of a dimensionally stable material, for example made of steel, aluminum or carbon fiber reinforced plastics (CFRP) or glass fiber reinforced plastics (GRP).
Die freien Volumina Vi und V2 können z.B. mit einem RFT MicroProf® mit chromatischem Sensor (CWL) gemessen werden. Hierzu werden die Proben mit fokus- siertem Weißlicht beleuchtet. Der Sensor misst die wellenlängenabhängige (chromatische) Verteilung des reflektierten Lichtes und ermittelt aus dieser die absolute Höheninformationen.The free volumes Vi and V 2, for example, can be measured with an RFT MicroProf ® with chromatic sensor (CWL). For this purpose, the samples are illuminated with focused white light. The sensor measures the wavelength-dependent (chromatic) distribution of the reflected light and uses this to determine the absolute height information.
Durch dieses Messprinzip werden die sonst bei optischen Verfahren üblichen Messfehler durch Kanteneffekte vermieden. Man erhält eine Oberflächentopographie als quantitativ vorliegendes Datenfeld, so dass nach der Messung beliebige Abstände, Höhen und Winkel, Rauheiten und Welligkeiten wie auch Ebenheiten in Bildern vermessen werden können.This measuring principle avoids the usual measuring errors due to edge effects in optical processes. A surface topography is obtained as a quantitatively present data field so that any distances, heights and angles, roughnesses and undulations as well as flatnesses in images can be measured after the measurement.
Zur Charakterisierung der Oberflächen eignen sich insbesondere die Volumina Vi und V2, die aus den Topographieaufnahmen berechnet werden können. Dabei ist das Füllvolumen Vi das Füllvolumen vom tiefsten Messpunkt bis zur Höhe der mittleren Ebene, der in diesem Fall dem Höhenwert 0 zugeordnet wird. Das Füll- volumen V2 wird vom tiefsten bis zum höchsten Messpunkt innerhalb einer Topographieaufnahme bestimmt.In particular, the volumes Vi and V 2 which can be calculated from the topographical recordings are suitable for characterizing the surfaces. The filling volume Vi is the filling volume from the lowest measuring point to the height of the middle level, which in this case is assigned to the height value 0. The filling volume V 2 is determined from the lowest to the highest measuring point within a topographic image.
Die Figur 2 zeigt schematisch die Unterschiede zwischen den Füllvolumina Vi und V2. Die berechneten Volumen werden mittels der grauen Fläche präsentiert.FIG. 2 schematically shows the differences between the filling volumes Vi and V 2 . The calculated volumes are presented by means of the gray area.
Gegenstand ist auch die Verwendung einer gummibeschichteten Walze mit einer gemittelten Rautiefe Rz von 30 bis 80 μm und einer maximalen Rautiefe Rmaχ von 40 bis 120 μm als Farbübertragwalze, insbesondere im Offsetdruckverfahren. - A -The subject matter is also the use of a rubber-coated roller with an average roughness R z of 30 to 80 microns and a maximum surface roughness R ma χ from 40 to 120 microns as ink transfer roller, especially in offset printing process. - A -
Eine weitere Ausführungsform der Erfindung ist ein Farbwerk, das die erfindungsgemäße Farbübertragwalze enthält.Another embodiment of the invention is an inking unit containing the ink transfer roller according to the invention.
Figur 1 zeigt eine topographische Aufnahme der Oberfläche mit einem chromatischen Sensor (CWL).FIG. 1 shows a topographic image of the surface with a chromatic sensor (CWL).
Figur 2 zeigt den Unterschied zwischen den freien Volumina Vi (links) und V2 (rechts).Figure 2 shows the difference between the free volumes Vi (left) and V 2 (right).
Figur 3 zeigt schematisch Teile eines Farbwerks. Dieses umfasst einen Farbduk- tor 1, eine Filmwalze 2 und eine Farbübertragwalze 3. In der Figur ist zusätzlich eine Tauchwalze 5 und ein Farbkasten 6 mit einer Farbe 7 gezeigt.FIG. 3 shows schematically parts of an inking unit. This comprises a Farbduk- gate 1, a film roller 2 and a ink transfer roller 3. In the figure, a fountain roller 5 and a paint box 6 with a color 7 is additionally shown.
Die Erfindung wird durch das nachfolgende Beispiel näher erläutert.The invention will be explained in more detail by the following example.
Beispielexample
Eine Farbübertragwalze mit einem Durchmesser von 105 mm und einer Länge von 1035 mm mit einem Kern aus Stahl und einer NBR-Beschichtung wurde mit einem Igelfräser (Single grit rubber hog wheel) bearbeitet. Dazu wurden folgende Bearbeitungsbedingungen eingehalten.A paint transfer roller having a diameter of 105 mm and a length of 1035 mm with a core of steel and an NBR coating was processed with a single grit rubber hog wheel. For this purpose, the following processing conditions were met.
An der so erhaltenen Walze wurde die Rautiefe gemessen. Der Rmax-Wert betrug 80 μm, eine gemittelte Rautiefe Rz lag bei etwa 52 μm. Vi betrug 0,012 mm3/mm2, V2 betrug 0,191 mm3/mm2. wichtig ist, dass durch eine gleichmäßige Bearbeitung Vorschubmarkierungen vermieden werden. The roughness depth was measured on the roller thus obtained. The R max value was 80 μm, an average roughness R z was about 52 μm. Vi was 0.012 mm 3 / mm 2 , V 2 was 0.191 mm 3 / mm 2 . It is important that feed marks are avoided by a uniform processing.

Claims

Patentansprüche claims
1. Gummibeschichtete Farbübertragwalze im Härtebereich von 20-80 Shore A mit einer gemittelten Rautiefe Rz von 30 bis 80 μm, einer maximalen Rautie- fe Rmax von 40 bis 120 μm, einem freien spezifischen Volumen Vi zwischen 0,001 und 0,1 mm3/mm2 un<j einem freien spezifischen Volumen V2 zwischen1. Rubber-coated ink transfer roller in the hardness range of 20-80 Shore A with an average roughness Rz of 30 to 80 μm, a maximum roughness Rmax of 40 to 120 μm, a free specific volume Vi between 0.001 and 0.1 mm 3 / mm 2 and a free specific volume V 2 between
0,02 und 1,5 mm3/mm2.0.02 and 1.5 mm 3 / mm 2 .
2. Farbübertragwalze nach Anspruch 1, erhältlich durch ein Verfahren, bei dem die Oberflächenstruktur einer gummibeschichteten Farbübertragwalze mit einem Igelfräser bearbeitet wird.2. ink transfer roller according to claim 1, obtainable by a method in which the surface structure of a rubber-coated ink transfer roller is processed with a hedgehog cutter.
3. Farbübertragwalze nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Gummibeschichtung ausgewählt wird aus Acrylnitril-Butadien-Kautschuk (NBR), hydrierter Acrylnitril-Butadien-Kautschuk (HNBR), Chloroprenkaut- schuk (CR), Epichlorhydrin-Kautschuk (ECO), Styrol-Butadien-Kautschuk (SBR) sowie Copolymeren und Mischungen davon.3. ink transfer roller according to claim 1 or 2, characterized in that the rubber coating is selected from acrylonitrile-butadiene rubber (NBR), hydrogenated acrylonitrile-butadiene rubber (HNBR), Chloroprenkaut- schuk (CR), epichlorohydrin rubber (ECO) , Styrene-butadiene rubber (SBR), as well as copolymers and blends thereof.
4. Farbübertragwalze nach mindestens einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Kern der Walze aus Stahl, Aluminium oder carbonfaserverstärkten Kunststoffen (CFK) oder glasfaserverstärkten Kunststoffen (GFK) besteht.4. ink transfer roller according to at least one of claims 1 to 3, characterized in that the core of the roller made of steel, aluminum or carbon fiber reinforced plastics (CFRP) or glass fiber reinforced plastics (GRP) consists.
5. Färb Übertrag walze nach mindestens einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das freie Volumen Vi zwischen 0,003 und 0,05 mm3/mm2 liegt.5. dye transfer roll according to at least one of claims 1 to 4, characterized in that the free volume Vi is between 0.003 and 0.05 mm 3 / mm 2 .
6. Färb Übertrag walze nach mindestens einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das freie Volumen V2 zwischen 0,06 und 1,0 mm3/mm2 liegt.6. dye transfer roller according to at least one of claims 1 to 5, characterized in that the free volume V 2 is between 0.06 and 1.0 mm 3 / mm 2 .
7. Verfahren zur Herstellung einer Farbübertragwalze nach mindestens einem der Ansprüche 1 bis 6 mit folgenden Schritten : - Bearbeiten einer gummibeschichteten Walze mit einem Igelfräser.7. A process for producing a ink transfer roller according to at least one of claims 1 to 6, comprising the following steps: - Edit a rubber-coated roller with a hedgehog cutter.
8. Verwendung einer Farbübertragwalze nach mindestens einem der Ansprüche 1 bis 6 als Farbübertragwalze.8. Use of a paint transfer roller according to at least one of claims 1 to 6 as a ink transfer roller.
9. Verwendung nach Anspruch 8 in einem Offsetdruckverfahren.9. Use according to claim 8 in an offset printing process.
10. Verwendung nach Anspruch 8 oder 9 zur Reduzierung des Farbspritzens und/oder Farbnebelns.10. Use according to claim 8 or 9 for the reduction of paint spraying and / or misting.
11. Farbwerk mit mindestens einem Farbduktor (1), einer daran angestellten Filmwalze (2) und einer daran angestellten Farbübertragwalze (3), dadurch gekennzeichnet, dass die Farbübertragwalze (3) eine Farbübertragwalze nach einem der Ansprüche 1 bis 6 ist. 11. Inking unit with at least one ink ductor (1), an attached thereto film roller (2) and an employed ink transfer roller (3), characterized in that the ink transfer roller (3) is a ink transfer roller according to one of claims 1 to 6.
EP07802551A 2006-08-10 2007-08-09 Rubber rollers with rough surface Not-in-force EP2049342B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL07802551T PL2049342T3 (en) 2006-08-10 2007-08-09 Rubber rollers with rough surface
SI200730823T SI2049342T1 (en) 2006-08-10 2007-08-09 Rubber rollers with rough surface

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006037615A DE102006037615A1 (en) 2006-08-10 2006-08-10 Rubber rollers with rough surface
PCT/EP2007/058257 WO2008017700A1 (en) 2006-08-10 2007-08-09 Rubber rollers with rough surface

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EP2049342A1 true EP2049342A1 (en) 2009-04-22
EP2049342B1 EP2049342B1 (en) 2011-10-19

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US (1) US9266375B2 (en)
EP (1) EP2049342B1 (en)
JP (1) JP5486304B2 (en)
CN (1) CN101500818B (en)
AR (1) AR062341A1 (en)
AT (1) ATE529268T1 (en)
DE (1) DE102006037615A1 (en)
DK (1) DK2049342T3 (en)
ES (1) ES2373066T3 (en)
PL (1) PL2049342T3 (en)
PT (1) PT2049342E (en)
SI (1) SI2049342T1 (en)
WO (1) WO2008017700A1 (en)

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PL2049342T3 (en) 2012-02-29
DK2049342T3 (en) 2012-02-13
AR062341A1 (en) 2008-10-29
ES2373066T3 (en) 2012-01-31
CN101500818A (en) 2009-08-05
EP2049342B1 (en) 2011-10-19
SI2049342T1 (en) 2012-02-29
US9266375B2 (en) 2016-02-23
WO2008017700A1 (en) 2008-02-14
JP2010500190A (en) 2010-01-07
PT2049342E (en) 2011-11-30
JP5486304B2 (en) 2014-05-07
CN101500818B (en) 2015-06-03
DE102006037615A1 (en) 2008-02-14
US20090241789A1 (en) 2009-10-01
ATE529268T1 (en) 2011-11-15

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