EP0518892B1 - Short inking apparatus for a rotary press - Google Patents

Short inking apparatus for a rotary press Download PDF

Info

Publication number
EP0518892B1
EP0518892B1 EP91904417A EP91904417A EP0518892B1 EP 0518892 B1 EP0518892 B1 EP 0518892B1 EP 91904417 A EP91904417 A EP 91904417A EP 91904417 A EP91904417 A EP 91904417A EP 0518892 B1 EP0518892 B1 EP 0518892B1
Authority
EP
European Patent Office
Prior art keywords
roller
cylinder
contact
ink application
rollers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP91904417A
Other languages
German (de)
French (fr)
Other versions
EP0518892A1 (en
Inventor
Norbert Georg Weisbrod
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.)
Albert Frankenthal AG
Original Assignee
Albert Frankenthal AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE4101797A external-priority patent/DE4101797A1/en
Application filed by Albert Frankenthal AG filed Critical Albert Frankenthal AG
Publication of EP0518892A1 publication Critical patent/EP0518892A1/en
Application granted granted Critical
Publication of EP0518892B1 publication Critical patent/EP0518892B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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 short inking unit for an offset rotary printing press with an anilox roller according to the preamble of claim 1.
  • a short inking unit and printing unit for an offset web rotary printing press has become known through the article "The Anilox Printing Unit from MAN-Roland” in the magazine “DEUTSCHER DRUCKER", No. 52, 25th issue, 12/14/1989, pages W28 - W29.
  • An anilox roller transports ink from a chambered doctor blade system onto an inking roller. The diameter of the anilox roller is smaller than that of the inking roller.
  • the invention has for its object to provide a short inking unit with a rastered inking roller, plate and blanket cylinders, all of which have the same scope, for a web-fed rotary printing press, the fountain solution consumption of which during the printing process is significantly reduced compared to the prior art.
  • the advantages that can be achieved with the invention are, in particular, that the dampening water consumption during Printing is reduced by up to 50%. Despite the low consumption of fountain solution, there is no toning. The ink is emulsified significantly less with fountain solution, which results in a more brilliant print image, especially in multi-color printing.
  • an ink supply in the form of a chambered doctor blade 1, an anilox roller 2, an inking cylinder 3, a forme cylinder 4, a blanket cylinder 5.1, a blanket cylinder 5.2 are mounted in side frames 12.
  • a dampening unit preferably a brush dampening unit, which delivers an amount of dampening solution to the inking cylinder 3.
  • the brush dampening unit consists of a brush roller 8, a dampening solution box roller 9, a dampening friction cylinder 7 and a dampening solution application roller 6, which delivers the dampening solution to a forme cylinder 4.
  • a paper web 15 is printed between the blanket cylinders 5.1 and 5.2.
  • rollers 13 and 14 are mounted in the side frames 12 or in a pivotable frame.
  • the pivotable frame is mounted so that it can bring the roller 13 out of contact with the forme cylinder 4.
  • the rollers 13, 14 remain in contact with the inking cylinder 3 when the roller 13 is turned off together with the inking cylinder 3 from the forme cylinder.
  • Ink application cylinder 3 and roller 13 are turned on and off together on the forme cylinder 4.
  • the rollers 13, 14 run under pressure against one another without their own drive.
  • the roller 13 is provided with an oleophilic rubber jacket and makes a reciprocating movement in its longitudinal axis direction. She is employed in the printing operation on the forme cylinder 4.
  • the roller 14 is covered with an oleophilic jacket, e.g. B. provided a polyamide sheath, and makes a back and forth movement in the longitudinal axis direction.
  • This oleophilic jacket of the roller 14 transports an ink layer, the outside with finely divided surface dampening solution, for. B. water, is wetted and / or has in its interior with the dampening solution emulsified printing ink.
  • the roller 14 can also be coated with a jacket made of a hydrophilic material, e.g. B. chrome. But it can also run without the back and forth movement. Drives for generating the back and forth movement are known and are not the subject of the invention. Roller 14 is driven by friction from the inking cylinder 3.
  • rollers 13 and 14 can also be mounted on the right side - the side on which the dampening unit is arranged.
  • fountain solution applicator roller 6 and first roller 13 are in rolling contact with the same jacket half of the forme cylinder 4, ie the first roller 13 has contact with the part of the forme cylinder 4 on which the "used" ink flow runs back to the doctor blade (return ink flow).
  • the second roller 14 is of course then arranged on the right side of the inking cylinder 3 and is in rolling contact with it and the first roller 13.
  • Roller 13 is in each case pressed against the forme cylinder 4 - incidentally like the other rollers and cylinders - and form with it a line of contact 20.
  • This line of contact 20 lies in the stream of "fresh color", ie. H. on the circumference of the left half of the forme cylinder 4 or in the flow of the "used” ink on the right half of the forme cylinder 4.
  • the roller 14 and inking cylinder 3 are pressed against one another and form a line of contact 21.
  • This line of contact 21 lies depending on the arrangement the roller 13 in the "return" color stream, i. H. on the circumference of the left half of the inking cylinder 3 (Fig. 1) or in the "fresh” ink stream on the right half of the inking cylinder 3 (Fig. 2).
  • contact lines 16, 17, 18, 20, 21 are mentioned. Strictly speaking, however, these are not lines, but narrow surfaces in the direction of the roll or cylinder longitudinal axis.
  • roller 22 with an oleophilic jacket made of e.g. B. rubber and another roller 23 with an oleophilic coat z. B. arranged polyamide.
  • rollers 22, 23 can also be provided with a hydrophilic jacket.
  • the roller 23 can with one be known drive connected so that it performs a back and forth movement in the longitudinal axis direction via gears.
  • the roller 22 runs under pressure with the roller 14, the roller 23 under pressure with the roller 22 and the inking cylinder 3 and are driven by friction.
  • the rollers 22 and 23 can have their own drive.
  • the roller 23 is thus once in the "used” ink stream (FIG. 3) or in the "fresh” ink stream (FIG. 4) on the inking cylinder 3.
  • rollers 24, 26 each with oleophilic or hydrophilic jackets.
  • the bridge roller 26 is - seen in the direction of the forme cylinder 4 - in roller contact with the roller 23 directly adjacent to it, which has direct rolling contact with the inking cylinder 3.
  • roller pair (s) 24, 26 can namely be in rolling contact with the inking cylinder 3 in the "fresh" ink flow when the rollers 13, 14; 22, 23, as described in Fig. 4, are arranged.
  • the rollers 24, 26 can have a drive for moving them back and forth in the longitudinal axis direction.
  • the rollers 13, 14, 22, 23, 24, 26 can have the same, but also different diameters.

Landscapes

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

Abstract

In a short inking apparatus with a locked ink supply roller (2), the inking roller (3), forme cylinder (4) and blanket cylinder (5) have the same diameter. A first roller (13) with rubber casing is associated with the forme cylinder (4) and a second cylinder (14) with an oleophilic casing is associated with the inking roller (3). The first and second cylinders rotate in rolling contact with each other.

Description

Die Erfindung betrifft ein Kurzfarbwerk für eine Offsetrotationsdruckmaschine mit einer Rasterwalze gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to a short inking unit for an offset rotary printing press with an anilox roller according to the preamble of claim 1.

Durch den Aufsatz "Die Anilox-Druckeinheit von MAN-Roland" in der Zeitschrift "DEUTSCHER DRUCKER", Nr. 52, 25. Jg., 14.12.1989, Seite W28 - W29, ist ein Kurzfarbwerk und Druckwerk für eine Offsetrollenrotationsdruckmaschine bekannt geworden. Farbauftragwalze, Form-,Gummi- und Gegendruckzylinder sind als Doppelumfangszylinder bzw. -walzen ausgeführt. Sie haben den gleichen wirksamen Durchmesser (= gleicher Durchmesser), d. h. ihre Umfangsgeschwindigkeiten im druckenden Zustand sind gleich. Eine Rasterwalze transportiert Druckfarbe aus einem Kammerrakelsystem auf eine Farbauftragwalze. Der Durchmesser der Rasterwalze ist kleiner als der der Farbauftragwalze.A short inking unit and printing unit for an offset web rotary printing press has become known through the article "The Anilox Printing Unit from MAN-Roland" in the magazine "DEUTSCHER DRUCKER", No. 52, 25th issue, 12/14/1989, pages W28 - W29. Ink application roller, form, rubber and impression cylinders are designed as double circumferential cylinders or rollers. They have the same effective diameter (= same diameter), i.e. H. their peripheral speeds in the printing state are the same. An anilox roller transports ink from a chambered doctor blade system onto an inking roller. The diameter of the anilox roller is smaller than that of the inking roller.

Der Erfindung liegt die Aufgabe zugrunde, ein Kurzfarbwerk mit einer gerasterten Farbauftragwalze, Platten- und Gummizylinder, die alle den gleichen Umfang haben, für eine Rollenrotationsdruckmaschine zu schaffen, dessen Feuchtwasserverbrauch beim Druckprozeß, verglichen mit dem Stand der Technik, wesentlich vermindert ist.The invention has for its object to provide a short inking unit with a rastered inking roller, plate and blanket cylinders, all of which have the same scope, for a web-fed rotary printing press, the fountain solution consumption of which during the printing process is significantly reduced compared to the prior art.

Diese Aufgabe wird durch den Gegenstand des kennzeichnenden Teils des Anspruches 1 gelöst.This object is achieved by the subject matter of the characterizing part of claim 1.

Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, daß der Feuchtwasserverbrauch beim Drucken um bis zu 50% vermindert ist. Trotz des wenigen Feuchtwasserverbrauches kommt es nicht zum Tonen. Die Druckfarbe wird bedeutend weniger mit Feuchtwasser emulgiert, was ein brillianteres Druckbild, insbesondere beim Mehrfarbendruck, ergibt.The advantages that can be achieved with the invention are, in particular, that the dampening water consumption during Printing is reduced by up to 50%. Despite the low consumption of fountain solution, there is no toning. The ink is emulsified significantly less with fountain solution, which results in a more brilliant print image, especially in multi-color printing.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben.An embodiment of the invention is shown in the drawing and will be described in more detail below.

Es zeigen:

Fig. 1
eine schematische Darstellung des erfindungsgemäßen Kurzfarbwerkes,
Fig. 2
ein zweites Ausführungsbeispiel des erfindungsgemäßen Kurzfarbwerkes,
Fig. 3
ein drittes Ausführungsbeispiel des erfindungsgemäßen Kurzfarbwerkes,
Fig. 4
ein viertes Ausführungsbeispiel des erfindungsgemäßen Kurzfarbwerkes,
Fig. 5
ein fünftes Ausführungsbeispiel des erfindungsgemäßen Kurzfarbwerkes.
Show it:
Fig. 1
a schematic representation of the short inking unit according to the invention,
Fig. 2
a second embodiment of the short inking unit according to the invention,
Fig. 3
a third embodiment of the short inking unit according to the invention,
Fig. 4
a fourth embodiment of the short inking unit according to the invention,
Fig. 5
a fifth embodiment of the short inking unit according to the invention.

In Seitengestellen 12 sind in bekannter Weise eine Farbzuführung in Form eines Kammerrakels 1, eine Rasterwalze 2, ein Farbauftragzylinder 3, ein Formzylinder 4, ein Gummituchzylinder 5.1, ein Gummituchzylinder 5.2 gelagert. Farbauftragzylinder 3, Formzylinder 4, Gummituchzylinder 5.1 und Gummituchzylinder 5.2, der auch als Gegendruckzylinder wirkt, haben den gleichen wirksamen Umfang bzw. Durchmesser. Sie sind vorzugsweise als sog. Doppelumfangszylinder bzw. -walze ausgeführt. Rechts neben dem Farbauftragzylinder 3 ist ein Feuchtwerk, vorzugsweise ein Bürstenfeuchtwerk angeordnet, das eine Feuchtmittelmenge an den Farbauftragzylinder 3 abgibt. Das Bürstenfeuchtwerk besteht aus einer Bürstenwalze 8, einer Feuchtmittelkasten-Walze 9, einem Feuchtreibzylinder 7 und einer Feuchtmittelauftragwalze 6, welche das Feuchtmittel an einen Formzylinder 4 abgibt. Zwischen den Gummituchzylindern 5.1 und 5.2 wird eine Papierbahn 15 bedruckt.In a known manner, an ink supply in the form of a chambered doctor blade 1, an anilox roller 2, an inking cylinder 3, a forme cylinder 4, a blanket cylinder 5.1, a blanket cylinder 5.2 are mounted in side frames 12. Ink application cylinder 3, form cylinder 4, blanket cylinder 5.1 and blanket cylinder 5.2, the also acts as an impression cylinder, have the same effective scope or diameter. They are preferably designed as a so-called double circumferential cylinder or roller. To the right of the inking cylinder 3 there is a dampening unit, preferably a brush dampening unit, which delivers an amount of dampening solution to the inking cylinder 3. The brush dampening unit consists of a brush roller 8, a dampening solution box roller 9, a dampening friction cylinder 7 and a dampening solution application roller 6, which delivers the dampening solution to a forme cylinder 4. A paper web 15 is printed between the blanket cylinders 5.1 and 5.2.

Auf der dem Feuchtwerk gegenüberliegenden linken Seite des Farbwerkes sind zwei zusätzliche Walzen 13 und 14 in den Seitengestellen 12 oder in einem schwenkbaren Rahmen gelagert. Der schwenkbare Rahmen ist so gelagert, daß er die Walze 13 außer Berührung vom Formzylinder 4 bringen kann. Die Walzen 13, 14 bleiben in Kontakt mit dem Farbauftragzylinder 3, wenn Walze 13 zusammen mit Farbauftragzylinder 3 vom Formzylinder abgestellt wird. Farbauftragzylinder 3 und Walze 13 werden gemeinsam an den Formzylinder 4 an- und abgestellt.On the left side of the inking unit opposite the dampening unit, two additional rollers 13 and 14 are mounted in the side frames 12 or in a pivotable frame. The pivotable frame is mounted so that it can bring the roller 13 out of contact with the forme cylinder 4. The rollers 13, 14 remain in contact with the inking cylinder 3 when the roller 13 is turned off together with the inking cylinder 3 from the forme cylinder. Ink application cylinder 3 and roller 13 are turned on and off together on the forme cylinder 4.

Die Walzen 13, 14 laufen unter Pressung, ohne eigenen Antrieb, aufeinander um. Die Walze 13 ist mit einem oleophilen Gummimantel versehen und macht in ihrer Längsachsenrichtung eine hin- und hergehende Bewegung. Sie ist im Druckbetrieb an den Formzylinder 4 angestellt. Die Walze 14 ist mit einem oleophilen Mantel, z. B. einem Polyamidmantel versehen, und macht in Längsachsenrichtung eine Hin- und Herbewegung. Dieser oleophile Mantel der Walze 14 transportiert eine Druckfarbenschicht, die außen mit feinstverteiltem Oberflächenfeuchtmittel, z. B. Wasser, benetzt ist und/oder in ihrem Innern mit dem Feuchtmittel emulgierte Druckfarbe aufweist. Zum Rücktransport von Oberflächenfeuchtwasser auf die Druckplatte des Formzylinders bzw. zur Verminderung des Flusses von Feuchtmittel auf die Rasterwalze 2 und damit in die Farbversorgung, kann auch die Walze 14 mit einem Mantel aus einem hydrophilen Material, z. B. Chrom, versehen sein. Sie kann aber auch ohne die Hin- und Herbewegung laufen. Antriebe zur Erzeugung der Hin- und Herbewegung sind bekannt und sind nicht Gegenstand der Erfindung.
Walze 14 wird durch Reibung vom Farbauftragzylinder 3 angetrieben.
Von dem Kammerrakel 1 bewegt sich ein "frischer" Farbstrom (= - - -) - jeweils auf den Zylinderoberflächen - entlang der linken Hälfte der Rasterwalze 2 bis zur Berührungslinie 16 der Rasterwalze 2 mit Farbauftragzylinder 3, entlang der rechten Hälfte der Farbauftragzylinder 3 bis zur Berührungslinie 17 von Farbauftragzylinder 3 mit Formzylinder 4, entlang der linken Hälfte des Formzylinders 4 bis zur Berührungslinie 18 von Formzylinder 4 mit Gummituchzylinder 5.1, dann entlang der rechten Hälfte des Gummituchzylinders 5.1 bis zur Druckstelle 19. Von der Druckstelle 19 bewegt sich der "verbrauchte" Farbstrom (= Rücklauf-Farbstrom = - - -) entlang der linken Hälfte des Gummituchzylinders 5.1 bis zur Berührungslinie 18, rechten Hälfte des Formzylinders 4 bis zur Berührungslinie 17, dann entlang der linken Hälfte der Farbauftragzylinder 3 bis zur Berührungslinie 16 und von der schließlich entlang der rechten Hälfte der Rasterwalze 2 bis zum Kammerrakel 1.The rollers 13, 14 run under pressure against one another without their own drive. The roller 13 is provided with an oleophilic rubber jacket and makes a reciprocating movement in its longitudinal axis direction. She is employed in the printing operation on the forme cylinder 4. The roller 14 is covered with an oleophilic jacket, e.g. B. provided a polyamide sheath, and makes a back and forth movement in the longitudinal axis direction. This oleophilic jacket of the roller 14 transports an ink layer, the outside with finely divided surface dampening solution, for. B. water, is wetted and / or has in its interior with the dampening solution emulsified printing ink. For returning surface dampening water to the pressure plate the forme cylinder or to reduce the flow of dampening solution onto the anilox roller 2 and thus into the ink supply, the roller 14 can also be coated with a jacket made of a hydrophilic material, e.g. B. chrome. But it can also run without the back and forth movement. Drives for generating the back and forth movement are known and are not the subject of the invention.
Roller 14 is driven by friction from the inking cylinder 3.
A "fresh" ink stream (= - - -) - in each case on the cylinder surfaces - moves from the chamber doctor blade 1 along the left half of the anilox roller 2 to the line of contact 16 of the anilox roller 2 with inking cylinder 3, along the right half of the inking cylinder 3 to Line of contact 17 from inking cylinder 3 with forme cylinder 4, along the left half of the forme cylinder 4 to the line of contact 18 from forme cylinder 4 with blanket cylinder 5.1, then along the right half of the blanket cylinder 5.1 to the printing point 19. The "used" moves from the printing point 19 Ink flow (= return ink flow = - - -) along the left half of the blanket cylinder 5.1 to the line of contact 18, right half of the forme cylinder 4 to the line of contact 17, then along the left half of the inking cylinder 3 to the line of contact 16 and finally along the right half of the anilox roller 2 to the chamber doctor blade 1.

Bei einer weiteren Lösung der gestellten Aufgabe können die Walzen 13 und 14 jedoch auch auf der rechten Seite - der Seite auf der das Feuchtwerk angeordnet ist - montiert sein. In diesem Falle stehen Feuchtmittelauftragwalze 6 und erste Walze 13 mit der gleichen Mantelhälfte des Formzylinders 4 in Rollkontakt, d. h. die erste Walze 13 hat mit dem Teil des Formzylinders 4 Kontakt, auf dem der "verbrauchte" Farbstrom zum Kammerrakel zurückläuft (Rücklauf-Farbstrom). Die zweite Walze 14 ist natürlich dann auf der rechten Seite des Farbauftragzylinders 3 angeordnet und steht mit ihm und der ersten Walze 13 in Rollkontakt.In a further solution to the problem, the rollers 13 and 14 can also be mounted on the right side - the side on which the dampening unit is arranged. In this case, fountain solution applicator roller 6 and first roller 13 are in rolling contact with the same jacket half of the forme cylinder 4, ie the first roller 13 has contact with the part of the forme cylinder 4 on which the "used" ink flow runs back to the doctor blade (return ink flow). The second roller 14 is of course then arranged on the right side of the inking cylinder 3 and is in rolling contact with it and the first roller 13.

Was über die Abschwenkbarkeit der Walzen 13, 14 bei der ersten Lösung gesagt wurde, gilt auch für die weiteren Lösungen.What was said about the pivotability of the rollers 13, 14 in the first solution also applies to the other solutions.

Walze 13 ist jeweils am Formzylinder 4 unter Pressung - übrigens wie die anderen Walzen und Zylinder auch - angestellt und bilden mit ihm eine Berührungslinie 20. Diese Berührungslinie 20 liegt im Strom "frischer Farbe", d. h. auf dem Umfang der linken Hälfte des Formzylinders 4 bzw. im Strom der "verbrauchten" Farbe auf der rechten Hälfte des Formzylinders 4. Die Walze 14 und Farbauftragzylinder 3 sind aneinander unter Pressung angestellt und bilden eine Berührungslinie 21. Diese Berührungslinie 21 liegt je nach Anordnung der Walze 13 im "Rücklauf"-Farbstrom, d. h. auf dem Umfang der linken Hälfte des Farbauftragzylinders 3 (Fig. 1) oder im "frischen" Farbstrom auf der rechten Hälfte des Farbauftragzylinders 3 (Fig. 2). Es wird aus Vereinfachungsgründen von Berührungslinien 16, 17, 18, 20, 21 gesprochen. Strenggenommen sind diese jedoch nicht Linien, sondern schmale Flächen in Walzen- bzw. Zylinderlängsachsenrichtung.Roller 13 is in each case pressed against the forme cylinder 4 - incidentally like the other rollers and cylinders - and form with it a line of contact 20. This line of contact 20 lies in the stream of "fresh color", ie. H. on the circumference of the left half of the forme cylinder 4 or in the flow of the "used" ink on the right half of the forme cylinder 4. The roller 14 and inking cylinder 3 are pressed against one another and form a line of contact 21. This line of contact 21 lies depending on the arrangement the roller 13 in the "return" color stream, i. H. on the circumference of the left half of the inking cylinder 3 (Fig. 1) or in the "fresh" ink stream on the right half of the inking cylinder 3 (Fig. 2). For the sake of simplicity, contact lines 16, 17, 18, 20, 21 are mentioned. Strictly speaking, however, these are not lines, but narrow surfaces in the direction of the roll or cylinder longitudinal axis.

In den Ausführungsbeispielen nach Fig. 3 und Fig. 4 sind zusätzlich zur Ausführung nach Fig. 1 und Fig. 2 eine Walze 22 mit einem oleophilen Mantel aus z. B. Gummi und eine weitere Walze 23 mit einem oleophilen Mantel z. B. Polyamid angeordnet. Diese Walzen 22, 23 können auch mit einem hydrophilen Mantel versehen sein. Die Walze 23 kann mit einem an sich bekannten Antrieb verbunden sein, so daß sie in Längsachsenrichtung über Zahnräder eine Hin- und Herbewegung ausführt.In the exemplary embodiments according to FIGS. 3 and 4, in addition to the embodiment according to FIGS. 1 and 2, a roller 22 with an oleophilic jacket made of e.g. B. rubber and another roller 23 with an oleophilic coat z. B. arranged polyamide. These rollers 22, 23 can also be provided with a hydrophilic jacket. The roller 23 can with one be known drive connected so that it performs a back and forth movement in the longitudinal axis direction via gears.

Die Walze 22 läuft unter Pressung mit der Walze 14, die Walze 23 unter Pressung mit der Walze 22 und dem Farbauftragzylinder 3 um und werden über Reibung angetrieben. Die Walzen 22 und 23 können einen eigenen Antrieb aufweisen.
Die Walze 23 liegt also einmal im "verbrauchten" Farbstrom (Fig. 3) oder im "frischen" Farbstrom (Fig. 4) auf dem Farbauftragzylinder 3.The roller 22 runs under pressure with the roller 14, the roller 23 under pressure with the roller 22 and the inking cylinder 3 and are driven by friction. The rollers 22 and 23 can have their own drive.
The roller 23 is thus once in the "used" ink stream (FIG. 3) or in the "fresh" ink stream (FIG. 4) on the inking cylinder 3.

Wie in Fig. 5 dargestellt, können weitere z. B. zwei und mehr Walzenpaare 24, 26 mit jeweils oleophilen bzw. hydrophilen Mänteln angeordnet sein. Eine erste Walze 24 (= Zylinderkontaktwalze) des oder der Walzenpaare steht jeweils mit dem Farbauftragzylinder 3 und der zweiten Walze 26 (= Brückenwalze) des Walzenpaares 24, 26 in Rollkontakt. Die Brückenwalze 26 steht jeweils - in Richtung Formzylinder 4 gesehen - mit der ihr unmittelbar benachbarten Walze 23, die unmittelbaren Rollkontakt mit dem Farbauftragzylinder 3 hat, im Rollkontakt.As shown in Fig. 5, further z. B. two and more pairs of rollers 24, 26 each with oleophilic or hydrophilic jackets. A first roller 24 (= cylinder contact roller) of the roller pair (s) is in rolling contact with the inking cylinder 3 and the second roller 26 (= bridge roller) of the roller pair 24, 26. The bridge roller 26 is - seen in the direction of the forme cylinder 4 - in roller contact with the roller 23 directly adjacent to it, which has direct rolling contact with the inking cylinder 3.

Das oder die Walzenpaare 24, 26 können nämlich auch im "frischen" Farbstrom in Rollkontakt mit dem Farbauftragzylinder 3 stehen, wenn die Walzen 13, 14; 22, 23, wie in Fig. 4 beschrieben, angeordnet sind.The roller pair (s) 24, 26 can namely be in rolling contact with the inking cylinder 3 in the "fresh" ink flow when the rollers 13, 14; 22, 23, as described in Fig. 4, are arranged.

Die Walzen 24, 26 können einen Antrieb zu ihrer Hin- und Herwegung in Längsachsenrichtung aufweisen.The rollers 24, 26 can have a drive for moving them back and forth in the longitudinal axis direction.

Die Walzen 13, 14, 22, 23, 24, 26 können gleichen, aber auch von einander verschiedene Durchmesser aufweisen.The rollers 13, 14, 22, 23, 24, 26 can have the same, but also different diameters.

Claims (7)

  1. Short inking unit for an offset web-fed rotary printing machine, in which the blanket cylinder (5.1), forme cylinder (4), and single ink application cylinder (3) have the same diameter, having a screen roller to which the printing ink is applied, and having a dampening unit (6, 7, 8, 9), characterized in that on a side of the inking unit (2, 3, 4) opposite the dampening unit (6, 7, 8, 9) a first roller (13) having a rubber coating is in contact with the forme cylinder (4) and a second roller (14) having an oleophilic coating is in contact with the ink application cylinder (3), and in that the first and second rollers (13; 14) are in rolling contact.
  2. Short inking unit for an offset web-fed rotary printing machine, in which the blanket cylinder (5.1), forme cylinder (4), and single ink application cylinder (3) have the same diameter, having a screen roller to which the printing ink is applied, and having a dampening unit (6, 7, 8, 9), characterized in that on the side of the inking unit (2, 3, 4) on which the dampening unit (6, 7, 8, 9) is arranged a first roller (13) having a rubber coating is in contact with the forme cylinder (4) and a second roller (14) having an oleophilic coating is in contact with the ink application cylinder (3), and in that the first and second rollers (13; 14) are in rolling contact.
  3. Short inking unit according to Claims 1 or 2, characterized in that at least one additional pair of rollers (22, 23; 26, 24) having an oleophilic coating is arranged on the ink application cylinder (3), in that in each case a first roller (23; 24) of the pair is in rolling contact with the ink application cylinder (3), and in that in each case a second roller (22; 26) is in rolling contact with the first cylinder (23; 24) and - as seen in the direction of the forme cylinder (4) - is in each case in rolling contact with the roller (14; 23) directly adjacent to it.
  4. Short inking unit for an offset web-fed rotary printing machine, in which the blanket cylinder (5.1), forme cylinder (4), and single ink application cylinder (3) have the same diameter, having a screen roller to which the printing ink is applied, and having a dampening unit (6, 7, 8, 9), characterized in that on a side of the inking unit (2, 3, 4) opposite the dampening unit (6, 7, 8, 9) a first roller (13) having a rubber coating is in contact with the forme cylinder (4) and a second roller (14) having a hydrophilic coating is in contact with the ink application cylinder (3), and in that the first and second rollers (13; 14) are in rolling contact.
  5. Short inking unit for an offset web-fed rotary printing machine, in which the blanket cylinder (5.1), forme cylinder (4), and single ink application cylinder (3) have the same diameter, having a screen roller to which the printing ink is applied, and having a dampening unit (6, 7, 8, 9), characterized in that on the side of the inking unit (2, 3, 4) on which the dampening unit (6, 7, 8, 9) is arranged a first roller (13) having a rubber coating is in contact with the forme cylinder (4) and a second roller (14) having a hydrophilic coating is in contact with the ink application cylinder (3), and in that the first and second rollers (13; 14) are in rolling contact.
  6. Short inking unit according to Claims 1 or 2, characterized in that at least one additional pair of rollers (22, 23; 26, 24) having a hydrophilic coating is arranged on the ink application cylinder (3), in that in each case a first roller (23; 24) of the pair is in rolling contact with the ink application cylinder (3), and in that in each case a second roller (22; 26) is in rolling contact with the first cylinder (23; 24) and - as seen in the direction of the forme cylinder (4) - is in each case in rolling contact with the roller (14; 23) directly adjacent to it.
  7. Short inking unit according to Claims 1 to 6, characterized in that the first roller (13) is arranged such that it can be pivoted away from the forme cylinder (4).
EP91904417A 1990-03-03 1991-02-27 Short inking apparatus for a rotary press Expired - Lifetime EP0518892B1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE4006720 1990-03-03
DE4006720 1990-03-03
DE4009254 1990-03-22
DE4009254 1990-03-22
DE4101797A DE4101797A1 (en) 1990-03-22 1991-01-23 Short inking device for rotary press
DE4101797 1991-01-23
PCT/DE1991/000158 WO1991013761A1 (en) 1990-03-03 1991-02-27 Short inking apparatus for a rotary press

Publications (2)

Publication Number Publication Date
EP0518892A1 EP0518892A1 (en) 1992-12-23
EP0518892B1 true EP0518892B1 (en) 1994-06-22

Family

ID=27200930

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91904417A Expired - Lifetime EP0518892B1 (en) 1990-03-03 1991-02-27 Short inking apparatus for a rotary press

Country Status (5)

Country Link
US (1) US5341733A (en)
EP (1) EP0518892B1 (en)
JP (1) JP2566699B2 (en)
DE (1) DE59102025D1 (en)
WO (1) WO1991013761A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0788431B1 (en) * 1994-10-26 1998-12-23 METRONIC GERÄTEBAU GMBH & CO. Printer for printing compact discs (cd)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9310713U1 (en) * 1993-07-17 1993-09-02 Roland Man Druckmasch Inking roller
DE19535266A1 (en) * 1995-09-22 1997-04-03 Roland Man Druckmasch Short inking unit
WO1998051500A1 (en) 1997-05-09 1998-11-19 Koenig & Bauer Aktiengesellschaft Inker unit
US6098540A (en) † 1998-08-10 2000-08-08 Heidelberger Druckmaschinen Ag Apparatus and method for reducing mottling in printing presses
DE10023935B4 (en) * 2000-05-17 2004-10-28 Koenig & Bauer Ag Short inking unit of a rotary printing press
JP2004272956A (en) * 2003-03-05 2004-09-30 Sanyo Electric Co Ltd Reproducing device
EP1735158B1 (en) * 2004-04-05 2009-04-29 Koenig & Bauer AG Printing unit on a web-fed rotary printing press
EP1806227A3 (en) * 2006-01-09 2011-01-19 Koenig & Bauer AG Printing couple and printing unit in a printing machine having able to print six widths of newspaper pages
DE102006030290B3 (en) * 2006-03-03 2007-10-18 Koenig & Bauer Aktiengesellschaft printing unit
DE102008062027B4 (en) * 2008-01-31 2018-05-17 Heidelberger Druckmaschinen Ag Printing machine with an anilox inking unit with associated washing device
DE102014006504A1 (en) 2014-05-03 2015-11-05 Georg Schneider Short inking

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3168037A (en) * 1960-05-02 1965-02-02 Harold P Dahlgren Means for dampening lithographic offset printing plates
JPS58220748A (en) * 1982-06-17 1983-12-22 Akiyama Insatsuki Seizo Kk Ink supply mechanism for printer
DE3334470C2 (en) * 1983-09-23 1991-01-24 Koenig & Bauer AG, 8700 Würzburg Inking unit for a rotary printing press
US4619198A (en) * 1984-12-24 1986-10-28 Moll Joseph P Method and apparatus for keyless offset printing
DE3541458A1 (en) * 1985-11-23 1987-05-27 Koenig & Bauer Ag SHORT INKS FOR OFFSETROTATION PRINTING MACHINES
JPS63116336U (en) * 1987-01-23 1988-07-27
DE3706602A1 (en) * 1987-02-28 1988-09-08 Roland Man Druckmasch INK FOR A ROTATIONAL OFFSET PRINTING MACHINE

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 8, no. 73, (M-287)(1510), 05.04.1984; JP A 58 220 748 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0788431B1 (en) * 1994-10-26 1998-12-23 METRONIC GERÄTEBAU GMBH & CO. Printer for printing compact discs (cd)

Also Published As

Publication number Publication date
WO1991013761A1 (en) 1991-09-19
JPH05502825A (en) 1993-05-20
EP0518892A1 (en) 1992-12-23
DE59102025D1 (en) 1994-07-28
JP2566699B2 (en) 1996-12-25
US5341733A (en) 1994-08-30

Similar Documents

Publication Publication Date Title
EP0549936B1 (en) Transfer cylinder with exchangeable sleeve, supported between two printing unit side walls
EP1627738B1 (en) Printing unit and inking units with inking rollers and distribution roller being driven independently
CH663577A5 (en) ZONE SCREWLESS PRINTER, IN PARTICULAR FOR ROLL ROTARY PRINTING MACHINE FOR NEWSPAPER AND MAGAZINE PRINTING AND PRINTING DEVICE WITH SUCH A PRINTER.
EP0518892B1 (en) Short inking apparatus for a rotary press
EP1457331B1 (en) Short inking system for a rotary printing machine
DE4401362C2 (en) Process and rotary printing machine for indirect gravure printing
DE19732497B4 (en) Short inking unit in a printing unit of a rotary printing machine
DE3220926A1 (en) ROLL ROTATION PRINTING MACHINE
DE19535266A1 (en) Short inking unit
DE60020252T2 (en) METHOD FOR OPERATING A PRINTING UNIT AND PRINTING UNIT FOR AN OFFSET PRINTING MACHINE
EP0428894B1 (en) Method of preparing a printing unit and printing unit adapted for this method
EP0761432B2 (en) Damping unit for an offset printing machine
DE4424891C2 (en) Method and device for carrying out this method for inking a "waterless" planographic printing plate
DE19529204C2 (en) Dampening unit for an offset printing machine
DE19515459C2 (en) Blanket cylinder
DE4101797A1 (en) Short inking device for rotary press
DE10202785B4 (en) Printing machine with a dyeing and dampening unit
DE4424913A1 (en) Ink transfer roller of a short inking unit for inking a waterless planographic printing plate
EP1627737A1 (en) Printing unit as well as damping unit
DE2302262A1 (en) ROTARY OFFSET PRINTING MACHINE
DE3301699A1 (en) Rotary intaglio printing machine having at least one printing unit
DE10310684A1 (en) Four-colour web flatbed printing machine has one or more plate cylinders with di-litho print plate transferring ink from the plate cylinder direct to the web
EP1593504A1 (en) Device with a frame and a coating unit attached thereon.
DE8228683U1 (en) PRINTING FOR NEWSPAPER AND MAGAZINE PRINTING

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19920722

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): CH DE FR GB IT LI SE

17Q First examination report despatched

Effective date: 19931103

ITF It: translation for a ep patent filed

Owner name: DE DOMINICIS & MAYER S.R.L.

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): CH DE FR GB IT LI SE

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19940628

REF Corresponds to:

Ref document number: 59102025

Country of ref document: DE

Date of ref document: 19940728

ET Fr: translation filed
EAL Se: european patent in force in sweden

Ref document number: 91904417.2

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20050124

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20050217

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20050218

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20050221

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20050329

Year of fee payment: 15

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060227

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060228

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060228

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060228

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20060228

Year of fee payment: 16

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060901

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

EUG Se: european patent has lapsed
GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20060227

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20061031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060228

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070227