EP0692380A2 - Method and device for feeding ink from an ink distributor to a fountain assembly - Google Patents

Method and device for feeding ink from an ink distributor to a fountain assembly Download PDF

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Publication number
EP0692380A2
EP0692380A2 EP95108501A EP95108501A EP0692380A2 EP 0692380 A2 EP0692380 A2 EP 0692380A2 EP 95108501 A EP95108501 A EP 95108501A EP 95108501 A EP95108501 A EP 95108501A EP 0692380 A2 EP0692380 A2 EP 0692380A2
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EP
European Patent Office
Prior art keywords
ink
printing
color
ink fountain
dispenser
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
EP95108501A
Other languages
German (de)
French (fr)
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EP0692380A3 (en
EP0692380B1 (en
Inventor
Roland Höll
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.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen 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
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Priority to DE29522163U priority Critical patent/DE29522163U1/en
Publication of EP0692380A2 publication Critical patent/EP0692380A2/en
Publication of EP0692380A3 publication Critical patent/EP0692380A3/en
Application granted granted Critical
Publication of EP0692380B1 publication Critical patent/EP0692380B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/02—Ducts, containers, supply or metering devices
    • B41F31/022—Ink level control devices

Definitions

  • the invention relates to a method and a device for supplying printing ink from an ink donor device into an ink fountain with an ink fountain roller and ink metering elements in an inking unit of a printing press.
  • a device of this type is known from DE-G 1 944 832, in which an ink donor device is slidably arranged on the ink fountain roller and the ink is pressed out of the ink donor device under pressure directly onto the outer surface of the ink fountain roller. A note on the disposal of the residual ink from the ink fountain cannot be found.
  • EP 0 459 755 A1 discloses an ink level control in the ink fountain for an offset printing machine.
  • the fill level in the ink fountain is determined using a sensor using the echo sounder principle, and the required ink supply is calculated using a microprocessor, taking into account the inertia of the printing ink.
  • a method for determining the consumption of printing ink is known from DE 3 835 221 C2.
  • the ink consumption is continuously calculated and the amount of ink used is continuously compared with the amount introduced into the ink fountain.
  • a refill is still available the amount of ink that remains during the execution of the print job becomes obsolete.
  • the solution is relatively complex since a great deal of data has to be recorded and processed.
  • the object of the invention is to develop a solution which noticeably reduces the cleaning effort of ink remaining in the ink fountain at the end of a print job or during a planned color change. This is solved by the characterizing part of claims 1 and 2.
  • the invention has the advantage that there is always a minimal ink supply in the ink fountain from the start of printing, which is almost constant due to a controlled metering of the color from the ink donor device.
  • the minimum color supply of the buffer memory is significantly lower in quantity than the conventional amount of color supply of a color box. The amount must be just enough to avoid tearing off the ink film on the ink fountain roller.
  • the solution according to the invention allows optimum use of the paint fed into the ink fountain and noticeably reduces the problem of disposing of residual paint remaining in the paint fountain.
  • the color is fed from a color dispenser into the buffer memory directly to the color-consuming color metering elements.
  • the present solution is suitable for both web and sheetfed offset presses.
  • a sheet-fed rotary printing press is shown in series with an feeder 2, two printing units 1, each with an inking unit 4 and a delivery unit 3.
  • 2 essentially shows an ink fountain 5 and an associated ink fountain roller 7 of the inking unit 4.
  • the ink fountain 5 has an ink fountain base 6, to which 7 ink metering elements 8, preferably ink slides, are assigned below, centrally to the ink fountain roller.
  • the ink metering elements 8 extend over the entire length of the ink fountain roller 7.
  • a buffer store is provided between the ink fountain base 6 and the ink fountain roller 7 to form the minimum ink supply.
  • a usual fill level 10 is shown with a dashed line.
  • a paint dispenser 13 is arranged with its outlet opening projecting into the paint box 5.
  • a sensor 12 is arranged in the area of the outlet opening of the color donor device 13 and is connected to the color donor device 13 in terms of circuitry.
  • the sensor 12 controls the filling level of the buffer memory 9.
  • the ink dispenser device 13 can be moved parallel to the ink fountain roller 7 within the ink fountain 5 (not shown). This can be achieved, for example, using a crossbeam or a portal with a corresponding linear guide. The traverse or the portal can preferably be moved vertically at the same time as the paint dispenser.
  • the ink dispenser 13 is coupled to a preselection counter 11 for the number of sheets to be processed.
  • the preset counter 11 can be integrated in the area of the feeder 2 or in a control center be arranged.
  • the mode of operation is as follows: In the ink fountain 5, offset printing ink is fed from the ink dispenser 13 under pressure into the buffer memory 9 until a minimal ink supply is formed. In accordance with the color consumption, color from the color dispenser 13 is again metered into the buffer memory 9. For this purpose, the ink dispenser device 13 is moved parallel to the ink fountain roller 7 to the required position assigned to the ink metering elements 8. In the present example, positions 8.2; 8.3; 8.5; 8.6 and 8.9 metered in more color (FIGS. 3, 4) than in the remaining positions of the color metering elements 8.
  • the preselection counter 11 can be set to the amount of printing material to be processed, for example according to the criteria of time or the number of sheets.
  • a control signal before the end of printing or before a print interruption causes the ink supply from the ink dispenser device 13 to stop.

Abstract

The device feeds ink from a metering mechanism (13) to an inking vessel with roller. The mechanism is connected to a filling-level detector and distributes the ink over the length of the vessel. A counter (11) preset to match the number of items to be printed, is connected to the metering mechanism, to which it emits a signal shutting off the ink supply before printing of the batch is complete or an ink change is to take place. The counter can be operated by a timer, and is mounted near a stacking mechanism. <IMAGE>

Description

Die Erfindung betrifft ein Verfahren sowie eine Vorrichtung zur Zufuhr von Druckfarbe aus einer Farbspendereinrichtung in einen Farbkasten mit einer Farbkastenwalze und Farbdosierelementen in einem Farbwerk einer Druckmaschine.The invention relates to a method and a device for supplying printing ink from an ink donor device into an ink fountain with an ink fountain roller and ink metering elements in an inking unit of a printing press.

Eine Vorrichtung dieser Art ist aus dem DE-G 1 944 832 bekannt, bei der eine Farbspendereinrichtung auf der Farbkastenwalze verschiebbar angeordnet ist und die Farbe aus der Farbspendereinrichtung unter Druck direkt auf die Mantelfläche der Farbkastenwalze ausgepreßt wird. Ein Hinweis zur Entsorgung der Restfarbe aus dem Farbkasten ist nicht zu entnehmen.A device of this type is known from DE-G 1 944 832, in which an ink donor device is slidably arranged on the ink fountain roller and the ink is pressed out of the ink donor device under pressure directly onto the outer surface of the ink fountain roller. A note on the disposal of the residual ink from the ink fountain cannot be found.

Aus der EP 0 459 755 A1 ist eine Farbfüllstandskontrolle im Farbkasten für eine Offsetdruckmaschine bekannt. Mittels Sensor wird der Füllstand im Farbkasten nach dem Echolotprinzip ermittelt und unter Verwendung eines Mikroprozessors wird die erforderliche Farbzufuhr unter Berücksichtigung der Trägheit der Druckfarbe berechnet.EP 0 459 755 A1 discloses an ink level control in the ink fountain for an offset printing machine. The fill level in the ink fountain is determined using a sensor using the echo sounder principle, and the required ink supply is calculated using a microprocessor, taking into account the inertia of the printing ink.

Ein Verfahren zur Bestimmung des Verbrauches von Druckfarbe ist aus der DE 3 835 221 C2 bekannt. Neben einer vor Druckbeginn durchgeführten Berechnung der voraussichtlich erforderlichen Farbmenge wird der Farbverbrauch kontinuierlich berechnet und die verbrauchte Farbmenge wird mit der in den Farbkasten eingebrachten Menge kontinuierlich verglichen. Ein Nachfüllen der noch zur Verfügung stehenden Farbmenge während der Durchführung des Druckauftrages wird hinfällig. Die Lösung ist relativ aufwendig, da sehr viele Daten erfaßt und verarbeitet werden müssen.A method for determining the consumption of printing ink is known from DE 3 835 221 C2. In addition to a calculation of the expected amount of ink required before the start of printing, the ink consumption is continuously calculated and the amount of ink used is continuously compared with the amount introduced into the ink fountain. A refill is still available the amount of ink that remains during the execution of the print job becomes obsolete. The solution is relatively complex since a great deal of data has to be recorded and processed.

Aufgabe der Erfindung ist es, eine Lösung zu entwickeln die den Reinigungsaufwand von im Farbkasten verbliebener Farbe bei Ende eines Druckauftrages oder bei einem geplanten Farbwechsel spürbar reduziert. Gelöst wird dies durch den kennzeichnenden Teil der Patentansprüche 1 und 2.The object of the invention is to develop a solution which noticeably reduces the cleaning effort of ink remaining in the ink fountain at the end of a print job or during a planned color change. This is solved by the characterizing part of claims 1 and 2.

Die Erfindung hat den Vorteil, daß im Farbkasten von Druckbeginn an stets ein minimaler Farbvorrat vorhanden ist, der durch eine gesteuerte Zudosierung der Farbe aus der Farbspendereinrichtung annähernd konstant ist. Der minimale Farbvorrat des Pufferspeichers ist mengenmäßig wesentlich geringer als die herkömmliche Menge an Farbvorrat eines Farbkastens. Die Menge muß gerade ausreichen, um ein Abreißen des Farbfilmes auf der Farbkastenwalze zu vermeiden. Die erfindungsgemäße Lösung gestattet eine optimale Ausnutzung der in den Farbkasten zugeführten Farbe und reduziert das Problem der Entsorgung von im Farbkasten verbliebener Restfarbe spürbar. Die Zuführung der Farbe aus einer Farbspendereinrichtung erfolgt in den Pufferspeicher direkt an die farbverbrauchenden Farbdosierelemente. Die vorliegende Lösung eignet sich für Rollen- als auch Bogenoffsetdruckmaschinen.The invention has the advantage that there is always a minimal ink supply in the ink fountain from the start of printing, which is almost constant due to a controlled metering of the color from the ink donor device. The minimum color supply of the buffer memory is significantly lower in quantity than the conventional amount of color supply of a color box. The amount must be just enough to avoid tearing off the ink film on the ink fountain roller. The solution according to the invention allows optimum use of the paint fed into the ink fountain and noticeably reduces the problem of disposing of residual paint remaining in the paint fountain. The color is fed from a color dispenser into the buffer memory directly to the color-consuming color metering elements. The present solution is suitable for both web and sheetfed offset presses.

Die Erfindung soll an einem Ausführungsbeispiel näher erläutert werden. Es wird von einer Bogenrotationsdruckmaschine ausgegangen.The invention will be explained in more detail using an exemplary embodiment. A sheet-fed rotary printing press is assumed.

Dabei zeigt:

Fig. 1
den allgemeinen Aufbau einer Bogenrotationsdruckmaschine in Reihenbauweise,
Fig. 2
den Aufbau der erfindungsgemäßen Vorrichtung,
Fig. 3
eine Draufsicht auf den Farbkasten mit Farbkastenwalze, und
Fig. 4
ein Farbprofil nach den Stellungen der Farbdosierelemente gemäß Fig. 3.
It shows:
Fig. 1
the general construction of a sheet-fed rotary printing press in series,
Fig. 2
the structure of the device according to the invention,
Fig. 3
a plan view of the ink fountain with ink fountain roller, and
Fig. 4
3 shows a color profile according to the positions of the color metering elements according to FIG. 3.

Nach Fig. 1 ist eine Bogenrotationsdruckmaschine in Reihenbauweise mit einem Anleger 2, zwei Druckwerken 1 mit je einem Farbwerk 4 sowie einem Ausleger 3 dargestellt. In Fig. 2 ist im wesentlichen ein Farbkasten 5 und eine zugeordnete Farbkastenwalze 7 des Farbwerkes 4 dargestellt. Der Farbkasten 5 besitzt einen Farbkastenboden 6, dem unterhalb, zentrisch zur Farbkastenwalze 7 Farbdosierelemente 8, vorzugsweise Farbschieber, zugeordnet sind. Die Farbdosierelemente 8 erstrecken sich über die gesamte Länge der Farbkastenwalze 7. Im Farbkasten 5 in unmittelbarer Nähe der Farbdosierelemente 8 ist zwischen Farbkastenboden 6 und Farbkastenwalze 7 ein Pufferspeicher zur Bildung des minimalen Farbvorrates vorgesehen. Im Farbkasten 5 der Fig. 2 ist ein übliches Füllniveau 10 mit einer Strichpunktlinie dargestellt. Zur Bildung des Pufferspeichers 9 ist eine Farbspendereinrichtung 13 mit seiner Auslauföffnung in den Farbkasten 5 ragend angeordnet. Im Bereich der Auslauföffnung der Farbspendereinrichtung 13 ist ein Sensor 12 angeordnet, welcher mit der Farbspendereinrichtung 13 schaltungstechnisch verbunden ist. Der Sensor 12 steuert das Füllniveau des Pufferspeichers 9. Die Farbspendereinrichtung 13 ist parallel zur Farbkastenwalze 7 innerhalb des Farbkastens 5 verfahrbar (nicht gezeigt). Dies läßt sich zum Beispiel über eine Traverse oder ein Portal mit entsprechender Linearführung realisieren. Vorzugsweise ist die Traverse oder das Portal gleichzeitig mit der Farbspendereinrichtung vertikal verfahrbar. Die Farbspendereinrichtung 13 ist mit einem Vorwahlzähler 11 für die Anzahl der zu verarbeitenden Bogen schaltungstechnisch gekoppelt. Der Vorwahlzähler 11 kann im Bereich des Anlegers 2 oder in einem Leitstand integriert angeordnet sein.According to FIG. 1, a sheet-fed rotary printing press is shown in series with an feeder 2, two printing units 1, each with an inking unit 4 and a delivery unit 3. 2 essentially shows an ink fountain 5 and an associated ink fountain roller 7 of the inking unit 4. The ink fountain 5 has an ink fountain base 6, to which 7 ink metering elements 8, preferably ink slides, are assigned below, centrally to the ink fountain roller. The ink metering elements 8 extend over the entire length of the ink fountain roller 7. In the ink fountain 5 in the immediate vicinity of the ink metering elements 8, a buffer store is provided between the ink fountain base 6 and the ink fountain roller 7 to form the minimum ink supply. In the ink fountain 5 of FIG. 2, a usual fill level 10 is shown with a dashed line. To form the buffer store 9, a paint dispenser 13 is arranged with its outlet opening projecting into the paint box 5. A sensor 12 is arranged in the area of the outlet opening of the color donor device 13 and is connected to the color donor device 13 in terms of circuitry. The sensor 12 controls the filling level of the buffer memory 9. The ink dispenser device 13 can be moved parallel to the ink fountain roller 7 within the ink fountain 5 (not shown). This can be achieved, for example, using a crossbeam or a portal with a corresponding linear guide. The traverse or the portal can preferably be moved vertically at the same time as the paint dispenser. The ink dispenser 13 is coupled to a preselection counter 11 for the number of sheets to be processed. The preset counter 11 can be integrated in the area of the feeder 2 or in a control center be arranged.

Die Wirkungsweise ist wie folgt: In den Farbkasten 5 wird aus der Farbspendereinrichtung 13 unter Druck Offsetdruckfarbe in den Pufferspeicher 9 zugeführt, bis sich ein minimaler Farbvorrat bildet. Entsprechend des Farbverbrauches wird in den Pufferspeicher 9 wieder Farbe aus der Farbspendereinrichtung 13 zudosiert. Dazu wird die Farbspendereinrichtung 13 parallel zur Farbkastenwalze 7 an die erforderliche, den Farbdosierelementen 8 zugeordnete, Position gefahren. Im vorliegenden Beispiel wird an den Positionen 8.2; 8.3; 8.5; 8.6 und 8.9 mehr Farbe zudosiert (Fig. 3, 4) als bei den übrigen Positionen der Farbdosierelemente 8. Vor Ende des Druckauftrages oder vor einem bevorstehenden Farbwechsel wird die Farbzufuhr aus der Farbspendereinrichtung 13 in den Pufferspeicher 9 gestoppt, wobei die restlichen, noch zu verarbeitenden Bogen noch bedruckt werden, so daß der im Pufferspeicher 9 verbliebene minimale Farbvorrat bei Ende des Druckauftrages annähernd aufgebraucht ist. Der Vorwahlzähler 11 ist auf die zu verarbeitende Bedruckstoffmenge einstellbar z.B. nach den Kriterien der Zeit oder der Bogenanzahl. Ein Steuersignal vor Druckende oder vor einer Druckunterbrechung (z.B. Farbwechsel) bewirkt die Beendigung der Farbzufuhr aus der Farbspendereinrichtung 13.The mode of operation is as follows: In the ink fountain 5, offset printing ink is fed from the ink dispenser 13 under pressure into the buffer memory 9 until a minimal ink supply is formed. In accordance with the color consumption, color from the color dispenser 13 is again metered into the buffer memory 9. For this purpose, the ink dispenser device 13 is moved parallel to the ink fountain roller 7 to the required position assigned to the ink metering elements 8. In the present example, positions 8.2; 8.3; 8.5; 8.6 and 8.9 metered in more color (FIGS. 3, 4) than in the remaining positions of the color metering elements 8. Before the end of the print job or before an upcoming color change, the ink supply from the ink dispenser 13 into the buffer memory 9 is stopped, the remaining ones being closed processing sheets are still printed, so that the minimum ink remaining in the buffer 9 is almost used up at the end of the print job. The preselection counter 11 can be set to the amount of printing material to be processed, for example according to the criteria of time or the number of sheets. A control signal before the end of printing or before a print interruption (for example color change) causes the ink supply from the ink dispenser device 13 to stop.

BezugszeichenlisteReference list

11
DruckwerkPrinting unit
22nd
AnlegerInvestors
33rd
Auslegerboom
44th
FarbwerkInking unit
55
FarbkastenPaint box
66
FarbkastenbodenInk fountain floor
77
FarbkastenwalzeInk fountain roller
88th
FarbdosierelementeColor dosing elements
8.1 - 8.128.1 - 8.12
FarbdosierelementeColor dosing elements
99
PufferspeicherBuffer storage
1010th
FüllniveauFilling level
1111
VorwahlzählerPreset counter
1212th
Sensorsensor
1313
FarbspendereinrichtungColor donor facility

Claims (2)

Verfahren zur Zufuhr von Druckfarbe aus einer Farbspendereinrichtung in einen Farbkasten mit einer Farbkastenwalze und Farbdosierelementen in einem Farbwerk einer Druckmaschine,
dadurch gekennzeichnet,
daß im Farbkasten, nahe den Farbdosierelementenals minimaler Farbvorrat ein Pufferspeicher gebildet wird in dem die Druckfarbe aus der Farbspendereinrichtung abhängig vom Farbverbrauch gesteuert zugeführt wird und die Farbzufuhr vor Ende eines Druckauftrages oder vor einem bevorstehenden Farbwechsel gestoppt wird, derart, daß der minimale Farbvorrat im Pufferspeicher am Ende des Druckauftrages annähernd aufgebraucht wird.Method for feeding printing ink from an ink dispenser into an ink fountain with an ink fountain roller and ink metering elements in an inking unit of a printing press,
characterized by
that a buffer memory is formed in the ink fountain, near the ink metering elements, as a minimum ink supply, in which the printing ink is supplied from the ink dispenser in a controlled manner depending on the ink consumption and the ink supply is stopped before the end of a print job or before an upcoming color change, such that the minimum ink supply in the buffer memory on Is almost used up at the end of the print job. Vorrichtung zur Durchführung des Verfahrens nach Anspruch 1,
dadurch gekennzeichnet,
daß ein Vorwahlzähler (11) schaltungstechnisch mit der Farbspendereinrichtung (13) verbunden ist der nach dem Stoppen der Farbzufuhr auf die noch zu verarbeitende Bedruckstoffmenge einstellbar ist.Device for carrying out the method according to claim 1,
characterized by
that a preselection counter (11) is connected in terms of circuitry to the ink dispenser device (13) which, after the ink supply has stopped, can be adjusted to the amount of printing material still to be processed.
EP95108501A 1994-07-13 1995-06-02 Method and device for feeding ink from an ink distributor to a fountain assembly Expired - Lifetime EP0692380B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29522163U DE29522163U1 (en) 1994-07-13 1995-06-02 Device for feeding printing ink from an ink dispenser into an ink fountain

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4424591A DE4424591C1 (en) 1994-07-13 1994-07-13 Device for feeding printing ink from an ink dispenser into an ink fountain
DE4424591 1994-07-13

Publications (3)

Publication Number Publication Date
EP0692380A2 true EP0692380A2 (en) 1996-01-17
EP0692380A3 EP0692380A3 (en) 1996-12-18
EP0692380B1 EP0692380B1 (en) 1999-11-10

Family

ID=6522960

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95108501A Expired - Lifetime EP0692380B1 (en) 1994-07-13 1995-06-02 Method and device for feeding ink from an ink distributor to a fountain assembly

Country Status (4)

Country Link
EP (1) EP0692380B1 (en)
JP (1) JPH0839784A (en)
AT (1) ATE186501T1 (en)
DE (2) DE4424591C1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29522134U1 (en) * 1995-04-05 1999-12-16 Heidelberger Druckmasch Ag Ink fountain in the inking unit of printing machines
ATE221459T1 (en) * 1999-06-19 2002-08-15 Koenig & Bauer Ag METHOD AND DEVICE FOR FEEDING PRINTING INK INTO INK BOXES OF PRINTING MACHINES
DE10009661B4 (en) * 1999-06-19 2007-10-04 Koenig & Bauer Aktiengesellschaft Method and device for feeding printing ink in ink boxes of printing machines
DE10009664A1 (en) * 2000-02-24 2001-08-30 Koenig & Bauer Ag Method and device for feeding printing ink into ink fountains of printing machines
DE10335230A1 (en) * 2003-08-01 2005-02-17 Man Roland Druckmaschinen Ag Process for the production of RFID labels

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1944832U (en) 1963-08-02 1966-08-25 Koppers Co Inc DEVICE FOR INKING THE INK ROLLER OF A PRESS.
EP0459755A1 (en) 1990-05-29 1991-12-04 Baldwin Technology Corporation Ink level control system for offset printing presses
DE3835221C2 (en) 1988-10-15 1994-04-21 Heidelberger Druckmasch Ag Method for determining the consumption of printing ink in an offset printing machine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1944832A1 (en) * 1969-09-04 1971-03-11 Muecher Hermann Elastic sealing ring for pipe connection points
US3848529A (en) * 1972-10-24 1974-11-19 Baldwin Gegenheimer Corp Ink level control system
JPS5855018B2 (en) * 1975-06-02 1983-12-07 オ−トウモウテイブ プロダクツ リミテツド How to set a spring load on a pressure variation device
DE2811276C2 (en) * 1978-03-15 1985-04-25 Mathias Bäuerle GmbH, 7742 St Georgen Device for metered supply of ink to a duct roller of an offset printing device
JPH07108566B2 (en) * 1986-12-04 1995-11-22 株式会社小森コーポレーション Ink amount signal generator
DE9406347U1 (en) * 1994-04-15 1994-06-01 Heidelberger Druckmasch Ag Device for supplying ink to rotary printing machines

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1944832U (en) 1963-08-02 1966-08-25 Koppers Co Inc DEVICE FOR INKING THE INK ROLLER OF A PRESS.
DE3835221C2 (en) 1988-10-15 1994-04-21 Heidelberger Druckmasch Ag Method for determining the consumption of printing ink in an offset printing machine
EP0459755A1 (en) 1990-05-29 1991-12-04 Baldwin Technology Corporation Ink level control system for offset printing presses

Also Published As

Publication number Publication date
EP0692380A3 (en) 1996-12-18
DE59507210D1 (en) 1999-12-16
EP0692380B1 (en) 1999-11-10
JPH0839784A (en) 1996-02-13
ATE186501T1 (en) 1999-11-15
DE4424591C1 (en) 1995-12-14

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