EP0695636A2 - Method and device for inking a "non-aqueous" lithographic printing plate - Google Patents

Method and device for inking a "non-aqueous" lithographic printing plate Download PDF

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Publication number
EP0695636A2
EP0695636A2 EP95110528A EP95110528A EP0695636A2 EP 0695636 A2 EP0695636 A2 EP 0695636A2 EP 95110528 A EP95110528 A EP 95110528A EP 95110528 A EP95110528 A EP 95110528A EP 0695636 A2 EP0695636 A2 EP 0695636A2
Authority
EP
European Patent Office
Prior art keywords
release agent
roller
printing plate
inking
unit
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
EP95110528A
Other languages
German (de)
French (fr)
Other versions
EP0695636B1 (en
EP0695636A3 (en
Inventor
Karl Robert Schäfer
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer Albert AG
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Filing date
Publication date
Application filed by Koenig and Bauer Albert AG filed Critical Koenig and Bauer Albert AG
Publication of EP0695636A2 publication Critical patent/EP0695636A2/en
Publication of EP0695636A3 publication Critical patent/EP0695636A3/en
Application granted granted Critical
Publication of EP0695636B1 publication Critical patent/EP0695636B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/06—Lithographic printing
    • B41M1/08—Dry printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices

Definitions

  • the invention relates to a method and a device for inking a "waterless" planographic printing plate according to the preamble of claim 1.
  • a printing plate from Toray Industries, INC discloses a printing plate which is suitable for a "waterless” planographic printing process.
  • the invention has for its object to provide a method for inking a so-called “waterless” planographic printing plate, in which conventional, ie not adapted to the "waterless” planographic printing Printing inks can be used.
  • the advantages that can be achieved with the invention are, in particular, that conventional printing inks can be used and therefore ink transfer difficulties due to release agents in the ink feed roller train are avoided. It is particularly advantageous that an amount of release agent can be metered in and thus adapted to different operating states of a rotary offset printing press during production. With this release agent, the affinity of the ink-repellent, non-printing areas of the planographic printing plate for the printing ink is reduced. The constant supply of release agent in the finest dosage protects the color-repellent, non-printing areas of the planographic printing plate, which are slightly above the level of the printing areas, thus reducing wear. In addition, the used release agent is transported back and thus cleaned the planographic printing plate.
  • a known offset printing unit 2 consisting of a rubber cylinder 3, a second Rubber cylinder 4, which acts as an impression cylinder and a plate cylinder 6.
  • a paper web 7 is printed between the rubber cylinders 3, 4.
  • On the plate cylinder 6 a known, prepared for "waterless” planographic printing plate 8 is attached.
  • This planographic printing plate 8 has ink-accepting, printing areas 9 and ink-repellent, non-printing areas 11, which are slightly above the level of the printing areas 9.
  • an inking unit 12 interacts with an ink-guiding roller train 13 and a release agent applicator 14 with a release agent-carrying roller train 16.
  • a short inking unit 19 consisting of a soft application roller 21, an anilox roller 22 and a doctor blade device 23, preferably a chamber doctor blade, is used as the inking unit 12. Coatings 24, 26 of the soft application roller 21 and the anilox roller 22 are color-friendly.
  • the release agent application unit 14 is in the first Exemplary embodiment as a short application unit 27 with a soft release agent application roller 28, an anilox roller 29 and a doctor blade device 31, preferably a doctor blade, of the release agent source, (FIG. 1).
  • the release agent application roller 28 is provided with a soft, release agent-friendly coating 32, for example silicone rubber or fluorosilicone rubber.
  • the anilox roller 29 is also equipped with a release agent-friendly coating 33, for example silicone rubber or fluorosilicone rubber and / or silicon oxide.
  • Printing ink 17 or release agent 18, for example silicone oil is applied to the anilox rollers 22, 29 by means of the doctor devices 23, 31.
  • the printing ink 17 or the release agent 18 is transferred directly from the anilox rollers 22, 29 to the planographic printing plate 8 via the application rollers 21, 28.
  • the non-printing areas 11 of the planographic printing plate 8 are wetted with release agent 18 and the printing areas 9 of the planographic printing plate 8 with printing ink 17.
  • conventional inking units 34 can also be used.
  • a conventional inking unit 34 consists of two inking rollers 36, 37 abutting the plate cylinder 6, which are connected to an inking cylinder 38.
  • All rollers 36 to 44 are provided with color-friendly coatings (e.g. rubber, Rilsan).
  • the release agent application unit 14 can be designed as a spray application unit 47 (FIG. 2).
  • the release agent application roller 48 is connected to a release agent distribution cylinder 49. Release agent 18 is applied to this release agent distribution cylinder 49 by means of a spray mechanism 51, the release agent source, which is not described in detail.
  • FIGS 58 The elements of the film applicator 53 are release agent applicator roller 59, release agent distribution cylinder 61 and release agent ductor 62.
  • FIG. 5 shows an example corresponding to FIG. 1 for a indirect supply of the release agent 18 to the "waterless" planographic printing plate 8.
  • a release agent application roller 63 of a short application unit 64 lies against the soft ink application roller 21 of the short inking unit 12 and transfers release agent 18 to this ink application roller 21. From this ink application roller 21, which now carries ink and release agent, the printing ink 17 and the release agent 18 come together the "waterless" planographic printing plate 8 transferred.
  • the planographic printing plate 8 is fed indirectly from the release agent application roller 63 release agent 18.
  • the release agent application roller 63 is provided with a hard, release agent-friendly coating 66, for example silicon oxide, and is designed as an anilox roller which interacts with the doctor device 31.
  • All coatings of the rolls of the applicator 14 described are release agent-friendly and can be soft z.
  • the number of individual rollers of the release agent applicator 14 can of course be variable.
  • the release agent application unit 14 can, of course, be designed so that it can be switched off and thus none Release agent 18 applied.
  • the "waterless" planographic printing plate 8 can now be supplied by means of the inking unit 12 printing ink which is adapted to the "waterless” planographic printing plate 8.

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  • Printing Methods (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Abstract

To ink a waterless press printing plate (8) using an applicator (12) system for the ink (17), a barrier agent applicator (14) applies a barrier agent (18) directly or indirectly to the plate (8). The barrier agent (18) is pref. silicone oil. Also claimed is an assembly to ink the printing plate (8) in a rotary offset press, with a second array of rollers (16) with a barrier agent applicator (14) with at least one application roller (28) and a barrier agent supply (31), to lie against the printing plate and/or another roller of the inking appts. (12).

Description

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Einfärben einer "wasserlosen" Flachdruckplatte gemäß dem Oberbegriff des Anspruches 1.The invention relates to a method and a device for inking a "waterless" planographic printing plate according to the preamble of claim 1.

Durch eine Druckschrift der Toray Industries, INC ist eine Druckplatte, die für ein "wasserloses" Flachdruckverfahren geeignet ist, bekannt.A printing plate from Toray Industries, INC discloses a printing plate which is suitable for a "waterless" planographic printing process.

Nachteilig ist hierbei, daß die nichtdruckenden Stellen der "wasserlosen" Flachdruckplatte eine so große Affinität zu konventionellen Druckfarben haben, d. h. zu nicht an den "wasserlosen" Flachdruck angepaßte Druckfarben, so daß auch diese nichtdruckenden Stellen mit Druckfarbe eingefärbt werden. Deshalb sind zum Einfärben der "wasserlosen" Flachdruckplatte spezielle, der "wasserlosen" Flachdruckplatte angepaßte Druckfarben notwendig.The disadvantage here is that the non-printing areas of the "waterless" planographic printing plate have such a great affinity for conventional printing inks, i. H. printing inks not adapted to the "waterless" planographic printing, so that these non-printing areas are also colored with printing ink. For this reason, special inks adapted to the "waterless" planographic printing plate are necessary for coloring the "waterless" planographic printing plate.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zum Einfarben einer sogenannten "wasserlosen" Flachdruckplatte zu schaffen, bei dem konventionelle, d. h. nicht auf den "wasserlosen" Flachdruck angepaßte Druckfarben verwendet werden können.The invention has for its object to provide a method for inking a so-called "waterless" planographic printing plate, in which conventional, ie not adapted to the "waterless" planographic printing Printing inks can be used.

Diese Aufgabe wird durch die Merkmale des kennzeichnenden Teiles des Patentanspruches 1 gelöst.This object is achieved by the features of the characterizing part of patent claim 1.

Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, daß konventionelle Druckfarben verwendet werden können und deswegen Farbübertragungsschwierigkeiten infolge Trennmittel im farbzuführenden Walzenstrang vermieden werden. Besonders vorteilhaft ist, daß eine Trennmittelmenge dosiert und so während der Produktion unterschiedlichen Betriebszuständen einer Rotationsoffsetdruckmaschine angepaßt werden kann.
Mit diesem Trennmittel wird die Affinität der farbabweisenden, nichtdruckenden Bereichen der Flachdruckplatte zur Druckfarbe herabgesetzt. Durch die ständige Zufuhr von Trennmittel in feinster Dosierung werden die farbabweisenden, nichtdruckenden Bereiche der Flachdruckplatte, die leicht über dem Niveau der druckenden Bereiche liegen, geschützt und somit der Verschleiß verringert. Außerdem erfolgt ein Rücktransport des gebrauchten Trennmittels und damit eine Reinigung der Flachdruckplatte.The advantages that can be achieved with the invention are, in particular, that conventional printing inks can be used and therefore ink transfer difficulties due to release agents in the ink feed roller train are avoided. It is particularly advantageous that an amount of release agent can be metered in and thus adapted to different operating states of a rotary offset printing press during production.
With this release agent, the affinity of the ink-repellent, non-printing areas of the planographic printing plate for the printing ink is reduced. The constant supply of release agent in the finest dosage protects the color-repellent, non-printing areas of the planographic printing plate, which are slightly above the level of the printing areas, thus reducing wear. In addition, the used release agent is transported back and thus cleaned the planographic printing plate.

Ebenso ist es aber auch möglich spezielle dem "wasserlosen" Flachdruck angepaßte Druckfarben zu verwenden.However, it is also possible to use special printing inks adapted to "waterless" flat printing.

Ausführungsbeispiele der Erfindung sind in der Zeichnung dargestellt und werden im folgenden näher beschrieben.Embodiments of the invention are shown in the drawing and are described in more detail below.

Es zeigen

Fig. 1
eine schematische Darstellung einer erfindungsgemäßen Vorrichtung mit Kurzfarbwerk und Kurzauftragswerk;
Fig. 2
eine schematische Darstellung einer zweiten Ausführung der erfindungsgemäßen Vorrichtung mit konventionellem Farbwerk und Sprühauftragswerk;
Fig. 3
eine schematische Darstellung einer dritten Ausführung der erfindungsgemäßen Vorrichtung mit Kurzfarbwerk und Bürstenauftragswerk;
Fig. 4
eine schematische Darstellung einer vierten Ausführung der erfindungsgemäßen Vorrichtung mit Kurzfarbwerk und Filmfeuchtwerk;
Fig. 5
eine schematische Darstellung einer Ausführung der erfindungsgemäßen Vorrichtung zu einer indirekten Zufuhr von Trennmittel an eine "wasserlose" Flachdruckplatte.
Show it
Fig. 1
a schematic representation of a device according to the invention with short inking unit and short application unit;
Fig. 2
a schematic representation of a second embodiment of the device according to the invention with a conventional inking unit and spray application unit;
Fig. 3
a schematic representation of a third embodiment of the device according to the invention with short inking unit and brush application unit;
Fig. 4
a schematic representation of a fourth embodiment of the device according to the invention with short inking unit and film dampening unit;
Fig. 5
is a schematic representation of an embodiment of the device according to the invention for an indirect supply of release agent to a "waterless" planographic printing plate.

In Seitengestellen 1 einer Rotationsoffsetdruckmaschine ist in bekannter Weise ein Offsetdruckwerk 2 bestehend aus einem Gummizylinder 3, einem zweiten Gummizylinder 4, der als Gegendruckzylinder wirkt und einem Plattenzylinder 6 gelagert. Zwischen den Gummizylindern 3, 4 wird eine Papierbahn 7 bedruckt. Auf dem Plattenzylinder 6 ist eine an sich bekannte, für "wasserlosen" Flachdruck präparierte Flachdruckplatte 8 befestigt. Diese Flachdruckplatte 8 weist farbannehmende, druckende Bereiche 9 und farbabweisende, nichtdruckende Bereiche 11, die leicht über dem Niveau der druckenden Bereiche 9 liegen auf.
Mit dieser Flachdruckplatte 8 wirkt ein Farbwerk 12 mit einem farbführenden Walzenstrang 13 und ein Trennmittel-Auftragswerk 14 mit einem trennmittelführenden Walzenstrang 16 zusammen.
Konventionelle Druckfarbe 17, d. h. nicht an den "wasserlosen" Flachdruck angepaßte Druckfarbe 17, wird von dem farbführenden Walzenstrang 13 auf die Flachdruckplatte 8 aufgebracht und mittels des zweiten Walzenstranges 16 wird der Flachdruckplatte 8 direkt oder indirekt Trennmittel 18, beispielsweise Silikonöl, zugeführt.In side frames 1 of a rotary offset printing machine, there is a known offset printing unit 2 consisting of a rubber cylinder 3, a second Rubber cylinder 4, which acts as an impression cylinder and a plate cylinder 6. A paper web 7 is printed between the rubber cylinders 3, 4. On the plate cylinder 6 a known, prepared for "waterless" planographic printing plate 8 is attached. This planographic printing plate 8 has ink-accepting, printing areas 9 and ink-repellent, non-printing areas 11, which are slightly above the level of the printing areas 9.
With this planographic printing plate 8, an inking unit 12 interacts with an ink-guiding roller train 13 and a release agent applicator 14 with a release agent-carrying roller train 16.
Conventional printing ink 17, ie printing ink 17 not adapted to the "waterless" planographic printing, is applied from the ink-carrying roller strand 13 to the planographic printing plate 8 and by means of the second roller strand 16 the release plate 18, for example silicone oil, is fed directly or indirectly to the planographic printing plate 8.

Im vorliegenden Beispiel ist als Farbwerk 12 ein Kurzfarbwerk 19 bestehend aus einer weichen Auftragswalze 21, einer Rasterwalze 22 und einer Rakeleinrichtung 23, vorzugsweise Kammerrakel, verwendet. Beschichtungen 24, 26 der weichen Auftragswalze 21 und der Rasterwalze 22 sind farbfreundlich.
Das Trennmittel-Auftragswerk 14 ist im ersten Ausführungsbeispiel als Kurzauftragswerk 27 mit einer weichen Trennmittel-Auftragswalze 28, einer Rasterwalze 29 und einer Rakeleinrichtung 31, vorzugsweise Kammerrakel, der Trennmittelquelle, ausgeführt (Fig. 1).
Die Trennmittel-Auftragswalze 28 ist mit einer weichen, trennmittelfreundlichen Beschichtung 32, beispielsweise Silikongummi oder Fluorsilikongummi, versehen. Die Rasterwalze 29 ist ebenfalls mit einer trennmittelfreundlichen Beschichtung 33, beispielsweise Silikongummi bzw. Fluorsilikongummi und/oder Siliziumoxid, ausgestattet.
Auf die Rasterwalzen 22 , 29 wird Druckfarbe 17 bzw. Trennmittel 18, beispielsweise Silikonöl, mittels der Rakeleinrichtungen 23, 31 aufgetragen. Von den Rasterwalzen 22, 29 wird die Druckfarbe 17 bzw. das Trennmittel 18 direkt über die Auftragswalzen 21, 28 an die Flachdruckplatte 8 übertragen. Hierbei werden die nichtdruckenden Bereiche 11 der Flachdruckplatte 8 mit Trennmittel 18 und die druckenden Bereiche 9 der Flachdruckplatte 8 mit Druckfarbe 17 benetzt.In the present example, a short inking unit 19 consisting of a soft application roller 21, an anilox roller 22 and a doctor blade device 23, preferably a chamber doctor blade, is used as the inking unit 12. Coatings 24, 26 of the soft application roller 21 and the anilox roller 22 are color-friendly.
The release agent application unit 14 is in the first Exemplary embodiment as a short application unit 27 with a soft release agent application roller 28, an anilox roller 29 and a doctor blade device 31, preferably a doctor blade, of the release agent source, (FIG. 1).
The release agent application roller 28 is provided with a soft, release agent-friendly coating 32, for example silicone rubber or fluorosilicone rubber. The anilox roller 29 is also equipped with a release agent-friendly coating 33, for example silicone rubber or fluorosilicone rubber and / or silicon oxide.
Printing ink 17 or release agent 18, for example silicone oil, is applied to the anilox rollers 22, 29 by means of the doctor devices 23, 31. The printing ink 17 or the release agent 18 is transferred directly from the anilox rollers 22, 29 to the planographic printing plate 8 via the application rollers 21, 28. Here, the non-printing areas 11 of the planographic printing plate 8 are wetted with release agent 18 and the printing areas 9 of the planographic printing plate 8 with printing ink 17.

Anstelle des in Fig. 1 dargestellten Kurzfarbwerkes 19 können auch konventionelle Farbwerke 34 (Fig. 2) verwendet werden.
Beispielsweise besteht ein konventionelles Farbwerk 34 aus zwei am Plattenzylinder 6 anliegenden Farbauftragswalzen 36, 37, die mit einem Farbreibzylinder 38 in Verbindung stehen. Diesen Farbreibzylinder 38 und einen weiteren Farbreibzylinder 41, sowie eine Filmwalze 43 verbindet jeweils eine Farbübertragungswalze 39, 42. Ein Farbduktor 44 führt der Filmwalze 43 sich in einem Farbkasten 46 befindlichen Druckfarbe 17 zu.
Alle Walzen 36 bis 44 sind mit farbfreundlichen Beschichtungen (z. B. Gummi, Rilsan) versehen.Instead of the short inking unit 19 shown in FIG. 1, conventional inking units 34 (FIG. 2) can also be used.
For example, a conventional inking unit 34 consists of two inking rollers 36, 37 abutting the plate cylinder 6, which are connected to an inking cylinder 38. This one Ink rubbing cylinder 38 and a further ink rubbing cylinder 41, as well as a film roller 43, each connect an ink transfer roller 39, 42.
All rollers 36 to 44 are provided with color-friendly coatings (e.g. rubber, Rilsan).

In einer weiteren Ausführungsvariante kann das Trennmittel-Auftragswerk 14 als Sprühauftragswerk 47 ausgebildet sein (Fig. 2).
Die Trennmittel-Auftragswalze 48 steht mit einem Trennmittel-Reibzylinder 49 in Verbindung. Auf diesen Trennmittel-Reibzylinder 49 wird mittels eines nicht näher beschriebenen Sprühwerkes 51, der Trennmittelquelle, Trennmittel 18 aufgebracht.In a further embodiment variant, the release agent application unit 14 can be designed as a spray application unit 47 (FIG. 2).
The release agent application roller 48 is connected to a release agent distribution cylinder 49. Release agent 18 is applied to this release agent distribution cylinder 49 by means of a spray mechanism 51, the release agent source, which is not described in detail.

Weitere Varianten des Trennmittel-Auftragswerkes 14 zeigen Fig. 3 und Fig. 4 in Form eines Bürstenauftragswerkes 52 und eines Filmauftragswerkes 53. Das Bürstenauftragswerk 52 besteht aus einer Trennmittel-Auftragswalze 54, einem Trennmittel-Reibzylinder 56, einer Trennmittel-Kastenwalze 57 sowie einer Bürstenwalze 58. Die Elemente des Filmauftragswerkes 53 sind Trennmittel-Auftragswalze 59, Trennmittel-Reibzylinder 61 und Trennmittel-Duktor 62.3 and 4 in the form of a brush applicator 52 and a film applicator 53 are shown in FIGS 58. The elements of the film applicator 53 are release agent applicator roller 59, release agent distribution cylinder 61 and release agent ductor 62.

Fig. 5 zeigt ein Beispiel entsprechend Fig. 1 für eine indirekte Zufuhr des Trennmittels 18 an die "wasserlose" Flachdruckplatte 8.
Eine Trennmittel-Auftragswalze 63 eines Kurzauftragwerkes 64 liegt an der weichen Farbauftragswalze 21 des Kurzfarbwerkes 12 an und übergibt Trennmittel 18 an diese Farbauftragwalze 21. Von dieser Farbauftragwalze 21, die nun farb- und trennmittelführend ist, wird die Druckfarbe 17 und das Trennmittel 18 gemeinsam an die "wasserlose" Flachdruckplatte 8 übertragen. Der Flachdruckplatte 8 wird indirekt von der Trennmittel-Auftragswalze 63 Trennmittel 18 zugeführt. In diesem Fall ist die Trennmittel-Auftragswalze 63 mit einer harten, trennmittelfreundlichen Beschichtung 66, beispielsweise Siliziumoxid, versehen und ist als Rasterwalze ausgeführt, die mit der Rakeleinrichtung 31 zusammenwirkt.FIG. 5 shows an example corresponding to FIG. 1 for a indirect supply of the release agent 18 to the "waterless" planographic printing plate 8.
A release agent application roller 63 of a short application unit 64 lies against the soft ink application roller 21 of the short inking unit 12 and transfers release agent 18 to this ink application roller 21. From this ink application roller 21, which now carries ink and release agent, the printing ink 17 and the release agent 18 come together the "waterless" planographic printing plate 8 transferred. The planographic printing plate 8 is fed indirectly from the release agent application roller 63 release agent 18. In this case, the release agent application roller 63 is provided with a hard, release agent-friendly coating 66, for example silicon oxide, and is designed as an anilox roller which interacts with the doctor device 31.

Alle Beschichtungen der Walzen der beschriebenen Auftragswerke 14 sind trennmittelfreundlich und können weich z. B. aus Silikon- oder Fluorsilikongummi oder hart z. B. aus Siliziumoxid ausgebildet sein.All coatings of the rolls of the applicator 14 described are release agent-friendly and can be soft z. B. made of silicone or fluorosilicone rubber or hard z. B. formed from silicon oxide.

Die Anzahl der einzelnen Walzen der Trennmittel-Auftragswerke 14 kann natürlich variabel sein.The number of individual rollers of the release agent applicator 14 can of course be variable.

Ebenso kann das Trennmittel-Auftragswerk 14 natürlich abstellbar ausgeführt sein und somit wird kein Trennmittel 18 aufgetragen. Der "wasserlosen" Flachdruckplatte 8 kann nun mittels der Farbwerkes 12 Druckfarbe, die der "wasserlose" Flachdruckplatte 8 angepaßt ist, zugeführt werden.Likewise, the release agent application unit 14 can, of course, be designed so that it can be switched off and thus none Release agent 18 applied. The "waterless" planographic printing plate 8 can now be supplied by means of the inking unit 12 printing ink which is adapted to the "waterless" planographic printing plate 8.

TeilelisteParts list

11
SeitengestellSide frame
22nd
OffsetdruckwerkOffset printing unit
33rd
Gummizylinder (2)Rubber cylinder (2)
44th
Gummizylinder (2)Rubber cylinder (2)
55
--
66
Plattenzylinder (2)Plate cylinder (2)
77
PapierbahnPaper web
88th
Flachdruckplatte, wasserlos (6)Planographic printing plate, waterless (6)
99
Bereich, farbannehmend, druckend (8)Area, ink accepting, printing (8)
1010th
--
1111
Bereich, farbabweisend, nichtdruckend (8)Area, color resistant, non-printing (8)
1212th
FarbwerkInking unit
1313
Walzenstrang, farbführendRoll train, ink-guiding
1414
Trennmittel-AuftragswerkeRelease agent application plants
1515
--
1616
Walzenstrang, trennmittelführendRoller strand, releasing agent
1717th
DruckfarbePrinting ink
1818th
TrennmittelRelease agent
1919th
KurzfarbwerkShort inking unit
2020th
--
2121
Auftragswalze, farbführendApplicator roller, ink leading
2222
Rasterwalze, farbführendAnilox roller, ink leading
2323
RakeleinrichtungDoctor device
2424th
Beschichtung (21)Coating (21)
2525th
--
2626
Beschichtung (22)Coating (22)
2727
KurzauftragswerkShort order work
2828
Trennmittel-AuftragswalzeRelease agent application roller
2929
RasterwalzeAnilox roller
3030th
--
3131
RakeleinrichtungDoctor device
3232
Beschichtung, trennmittelfreundlich (28)Coating, release agent friendly (28)
3333
Beschichtung, trennmittelfreundlich (29)Coating, release agent friendly (29)
3434
Farbwerk, konventionellInking unit, conventional
3535
--
3636
FarbauftragswalzeInking roller
3737
FarbauftragswalzeInking roller
3838
FarbreibzylinderInk rubbing cylinder
3939
FarbübertragungswalzeInk transfer roller
4040
--
4141
FarbreibzylinderInk rubbing cylinder
4242
FarbübertragungswalzeInk transfer roller
4343
FilmwalzeFilm roller
4444
FarbduktorColor ductor
4545
--
4646
FarbkastenPaint box
4747
SprühauftragswerkSpray applicator
4848
Trennmittel-AuftragswalzeRelease agent application roller
4949
Trennmittel-ReibzylinderRelease agent distribution cylinder
5050
--
5151
SprühwerkSpraying device
5252
BürstenauftragswerkBrush applicator
5353
FilmauftragswerkFilm contract work
5454
Trennmittel-AuftragswalzeRelease agent application roller
5555
--
5656
Trennmittel-ReibzylinderRelease agent distribution cylinder
5757
Trennmittel-KastenwalzeRelease agent box roller
5858
BürstenwalzeBrush roller
5959
Trennmittel-AuftragswalzeRelease agent application roller
6060
--
6161
Trennmittel-ReibzylinderRelease agent distribution cylinder
6262
Trennmittel-DuktorRelease agent ductor
6363
Trennmittel-AuftragswalzeRelease agent application roller
6464
KurzauftragswerkShort order work
6565
--
6666
Beschichtung, trennmittelfreundlich (63)Coating, release agent friendly (63)

Claims (8)

Verfahren zum Einfärben einer "wasserlosen" Flachdruckplatte (8), der mittels eines Farbwerkes (12) Druckfarbe (17) zugeführt wird, dadurch gekennzeichnet, daß mittels eines Trennmittel-Auftragswerk (14) Trennmittel (18) der "wasserlosen" Flachdruckplatte (8) direkt oder indirekt zugeführt wird.Process for inking a "waterless" planographic printing plate (8), which is supplied with printing ink (17) by means of an inking unit (12), characterized in that parting agent (18) of the "waterless" planographic printing plate (8) is provided by means of a release agent application unit (14) is fed directly or indirectly. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß als Trennmittel (18) Silikonöl verwendet wird.Method according to claim 1, characterized in that silicone oil is used as the release agent (18). Vorrichtung zum Einfärben einer "wasserlosen" Flachdruckplatte (8) einer Rotationsoffsetdruckmaschine, die ein der Flachdruckplatte (8) zugeordnetes Farbwerk (12) aufweist, dadurch gekennzeichnet, daß ein zweiter Walzenstrang (16),- ein Trennmittel-Auftragswerk (14), bestehend aus mindestens einer Trennmittel-Auftragswalze (28; 48; 54; 59; 63) und einer Trennmittelquelle (31; 51; 62) -, die "wasserlose" Flachdruckplatte oder bzw. und eine Walze des Farbwerkes (12) berührend angeordnet ist.Device for inking a "waterless" planographic printing plate (8) of a rotary offset printing press, which has an inking unit (12) assigned to the planographic printing plate (8), characterized in that a second roller strand (16), - a release agent application unit (14) consisting of at least one release agent application roller (28; 48; 54; 59; 63) and a release agent source (31; 51; 62) - which is arranged in contact with the "waterless" planographic printing plate or and and a roller of the inking unit (12). Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß trennmittelführende Walzen eine trennmittelfreundliche Beschichtung (32; 33; 66) aufweisen.Apparatus according to claim 3, characterized in that the rollers carrying the release agent have a release agent-friendly coating (32; 33; 66). Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die trennmittelfreundliche Beschichtung (32; 33; 66) aus Silikongummi, Fluorsilikongummi oder Siliziumoxid besteht.Device according to claim 4, characterized in that the release agent-friendly coating (32; 33; 66) consists of silicone rubber, fluorosilicone rubber or silicon oxide. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß das Trennmittel-Auftragswerk (14) aus einem Kurzauftragswerk (27), das mindestens eine Auftragswalze (28), eine Rasterwalze (29) und eine Rakeleinrichtung (31) aufweist, besteht.Apparatus according to claim 3, characterized in that the release agent application unit (14) consists of a short application unit (27) which has at least one application roller (28), an anilox roller (29) and a doctor device (31). Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß das Trennmittel-Auftragswerk (14) aus einem Sprühauftragswerk (47), welches mindestens eine Trennmittel-Auftragswalze (48), mindestens einen Trennmittel-Reibzylinder (49) und ein Sprühwerk (51) aufweist, besteht.Apparatus according to claim 3, characterized in that the release agent application unit (14) consists of a spray application unit (47) which has at least one release agent application roller (48), at least one release agent distribution cylinder (49) and a spray unit (51) . Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß das Trennmittel-Auftragswerk (14) aus einem Bürstenauftragswerk (52), welches mindestens eine Trennmittel-Auftragswalze (54), mindestens einen Trennmittel-Reibzylinder (56), eine Trennmittel-Kastenwalze (57) und eine Bürstenwalze (58) aufweist, besteht.Apparatus according to claim 3, characterized in that the release agent application unit (14) consists of a brush application unit (52) which has at least one release agent application roller (54), at least one release agent distribution cylinder (56), a release agent box roller (57) and has a brush roller (58).
EP95110528A 1994-07-14 1995-07-06 Method and device for inking a "non-aqueous" lithographic printing plate Expired - Lifetime EP0695636B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4424891A DE4424891C2 (en) 1994-07-14 1994-07-14 Method and device for carrying out this method for inking a "waterless" planographic printing plate
DE4424891 1994-07-14

Publications (3)

Publication Number Publication Date
EP0695636A2 true EP0695636A2 (en) 1996-02-07
EP0695636A3 EP0695636A3 (en) 1997-09-24
EP0695636B1 EP0695636B1 (en) 1999-10-13

Family

ID=6523162

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Application Number Title Priority Date Filing Date
EP95110528A Expired - Lifetime EP0695636B1 (en) 1994-07-14 1995-07-06 Method and device for inking a "non-aqueous" lithographic printing plate

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US (1) US5676053A (en)
EP (1) EP0695636B1 (en)
JP (1) JP3090249B2 (en)
DE (1) DE4424891C2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4438246C1 (en) * 1994-10-26 1995-12-07 Metronic Geraetebau Printing device for printing on compact discs
DE19732497B4 (en) 1997-07-29 2005-08-11 Man Roland Druckmaschinen Ag Short inking unit in a printing unit of a rotary printing machine
DE19933438B4 (en) * 1999-07-16 2004-07-08 Man Roland Druckmaschinen Ag Printing machine with printing / coating units not involved in the printing / coating process
DE10039279A1 (en) * 1999-09-09 2001-03-15 Heidelberger Druckmasch Ag Roller for printers has non-metal structured surface and forms a slip or siphon roller
US6881533B2 (en) * 2003-02-18 2005-04-19 Kodak Polychrome Graphics Llc Flexographic printing plate with ink-repellent non-image areas
DE102008061735A1 (en) * 2008-12-11 2010-06-17 Weros Technology Gmbh Printing method, in particular offset printing method, and release agent for this

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Publication number Priority date Publication date Assignee Title
US4724764B1 (en) * 1983-05-11 1994-09-20 Baldwin Technology Corp Dampening system
JPH0789207A (en) * 1993-09-24 1995-04-04 Dainippon Ink & Chem Inc Warterless offset rotary printing method

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Title
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Also Published As

Publication number Publication date
DE4424891C2 (en) 1997-04-17
EP0695636B1 (en) 1999-10-13
JPH08174986A (en) 1996-07-09
US5676053A (en) 1997-10-14
DE4424891A1 (en) 1996-01-18
EP0695636A3 (en) 1997-09-24
JP3090249B2 (en) 2000-09-18

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