EP1060886B1 - Verfahren und Einrichtung zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen - Google Patents
Verfahren und Einrichtung zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen Download PDFInfo
- Publication number
- EP1060886B1 EP1060886B1 EP00110753A EP00110753A EP1060886B1 EP 1060886 B1 EP1060886 B1 EP 1060886B1 EP 00110753 A EP00110753 A EP 00110753A EP 00110753 A EP00110753 A EP 00110753A EP 1060886 B1 EP1060886 B1 EP 1060886B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ink
- printing
- fountains
- machines according
- feeding
- 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
Links
Images
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
-
- 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
- B41F31/03—Ink agitators
-
- 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
- B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2233/00—Arrangements for the operation of printing presses
- B41P2233/30—Measuring or controlling the consumption of ink
Definitions
- the invention relates to a method for supplying printing ink in ink fountains of printing machines, wherein the printing machine has a color box for ink supply, the a ink duct interacting with ink metering elements is assigned, so that ink zones for differentiated supply of printing materials with ink and the Color requirements of the color zones or groups of color zones determined, these values a computer fed and processed there, the computer adequate to the local color requirements Issues control commands to supply the individual of the ink zones or ink zone groups and a paint dispenser that can be moved parallel to the ink ductor Ink zones or ink zone groups supplied.
- the invention further relates to a device for supplying printing ink in ink fountains of printing presses, which consist of an ink duct arranged in the ink fountain, which overlaps its entire width extends and with a color knife divided into several color zones forms a metering gap.
- This facility also includes a color box assigned color donation device, controllable by a computer, for needs-based Supply of the color zones.
- a device is known through which the level in the ink fountain a printing press can be kept at a constant level.
- the constant Level is aimed at to keep the printing ink in the ink fountain low to be able to.
- a color stirrer is used, which is moved along the color ductor. This movement creates a wave that comes from a moving one above the paint stirrer Button as a measure of the level is detected. The ink supply is then blocked, if the level is higher than the specified level.
- a color cartridge can be moved on a sled arranged.
- a moving sensor is arranged in front of the ink cartridge in the direction of movement, which detects the level zonally and when the level falls below the required level issues a control command. This causes the color cartridge to have a corresponding Gives the amount of paint to the color zone in need.
- DE 44 24 591 C1 describes a device for supplying printing ink from an ink dispenser Known when to empty the ink fountain at the end of the job the quantity of product to be printed adjustable presetting counter is arranged. This is technically connected to the paint dispenser. This can be done before the order ends by a control signal depending on the amount of product to be printed Ink supply can be stopped by the ink dispenser.
- the object of the invention is therefore to develop a method and a device by the zonal dosing corresponding to the color requirement takes place and the color box at Order end or when changing orders are left largely empty can.
- the advantage of the solution according to the invention is that at the end of the order or at Order change the ink fountain is almost empty. In addition to the savings, this also eliminates of color the time-consuming manual emptying of the ink fountain by the printer.
- the device consists of a paint box 1, the one Color guide 2 is assigned.
- the ink duct 2 extends over the entire width of the Ink box 1 (see Figure 2).
- a color knife 3 is arranged, which is divided into several sections 3.1 ... 3.x (see Figure 2). These sections 3.1 ... 3.x implement so-called color zones.
- first cross member 6 which is parallel to the Ink duct 2 extends.
- a carriage that runs on it travels 7.1 to which a paint dispenser 7, here in the form of a color cartridge 7.2, is attached is.
- the color cartridge 7.2 is provided with an outlet valve 7.4, which is not shown by a Computer can be controlled.
- pneumatic means not shown, or others suitable means, a constant pressure is exerted on the inside of the ink cartridge 7.2.
- the carriage 7.1 To monitor the fill level of the ink fountain 1, the carriage 7.1 has a sensor 8 assigned.
- the ink fountain 1 is assigned a second crossbeam 9, which also extends over the entire width of which extends and is arranged parallel to the crossmember 6.
- a movable carriage 10.1 runs as part of a paint spatula 10.
- the paint spatula 10 is firmly connected to the carriage 10.1 and further consists of a receptacle 10.4, one Bracket 10.3 and a stroke 10.2.
- the coating sheet 10.2 is like this when the ink is transported that there is a minimal gap between the coating sheet 10.2 and ink duct 2 and between Stroke 10.2 and ink box 1 is formed.
- the bracket 10.3 is in the recording 10.4 rotatable.
- the movable paint dispenser 7 and the paint spatula 10 are circuitry connected to the computer.
- the color requirement of the individual color zones is determined. This is done by the calculator Data about the current job can be entered. This data is either from read a plate scanner or can also in the form of the known for the order Prepress data can be entered. Furthermore, changing machine-related Data, such as the speed of the ink ductor 2, is permanently determined and the Computers are made available or become unchangeable machine-related in memory of the computer. This data is processed in the computer and - the local Corresponding color requirements - control commands for supplying the individual color zones are issued. It is also possible for several color zones to be combined into one color zone group which is then treated in the computer like a color zone.
- the sensor 8 on the first crossmember 6 is parallel to the ink duct 2 proceed. This palpates the fill level of the individual color zones or color zone groups from. If the fill level in ink fountain 1 is in the sampled ink zone or ink zone group the ink cartridge 7.2 doses a definitely fixed amount. The Dosing is done on the ink duct 2.
- the quantity of product is recorded via a known counting device, not shown here. This means that the printed sheets are counted and sent to the computer. At the same time, the ink consumption is determined and also made available to the computer. With this data, the computer is now able to determine the color requirement per product unit to investigate. Since the order-related data is known, the computer can be accessed at Inclusion of machine-related data and the total amount of products to be printed determine the point at which there is still a minimal, up to the calculated Sufficient ink quantity for the product quantity still to be processed in the order Color box 1 is available. When this time is reached, a residual dosing process is started initiated.
- the ink supply is switched off by the ink cartridge 7.2 and the remaining dosing process is initiated.
- the sensor 8 is still active and drives the Ink box 1 from. In doing so, the color zones or groups of color zones are constantly being reduced Color requirements - characterized by an accumulation of colors - and the color zones or color zone groups with larger color requirements - characterized by less quantities of color - determined and made available to the computer.
- the color spatula 10 is activated at the start of the residual metering process. This starts the location of the currently largest color cluster and pushes the color from this color zone or ink zone group in the ink zone or ink zone group with the currently highest Color requirement, so in the "color holes". For technological reasons, this can also be done by deviated from this rule. That is the case when the largest color accumulation is spatially far from the largest "color hole”. It is crucial, however, that always "Color holes” are supplied as required, so that there is no local lack of color and thus misprints are generated. This means that almost to the last printed sheet order-related color profile can be obtained in the inking unit.
- the color spatula 10 When moving in the direction of ink accumulation, the color spatula 10 is preferred turned from their working position. In the actual work step, shifting the color, the paint spatula 10 is rotated back into its working position. The speed at Shifting the color is several times less than moving the Paint spatula 10 to the place of work.
- the device consists of a paint box 1 ', the one Color guide 2 'is assigned.
- the ink duct 2 ' extends over the entire width of the Color box 1 '.
- a Color knife 3 ' On the side of the ink duct 1 'facing the ink duct 2' is a Color knife 3 'arranged that is divided into several sections (see Figure 2). These sections implement the so-called color zones.
- a stationary ink supply device in the form of a ink reservoir 11 is arranged in the frame of the printing press, which is not shown in detail.
- the stationary color reservoir 11 can be acted upon pneumatically with a constant pressure p 2 .
- the ink fountain 1 there are two guide rods parallel to the ink fountain roller 2' 14.1; 14.2 attached.
- On the guide rods 14.1; 14.2 is a dosing slide 15.1 movably arranged.
- the end of a flexible filling hose is in the dosing slide 15.1 12 added, which is operatively connected to the interior of the stationary color reservoir 11 stands.
- the end of the filling hose 12 assigned to the metering slide 15.1 represents the outlet opening for the paint. With the metering slide 15.1, the outlet opening can thus the color can be moved along the color ductor 2 '.
- the length of the filling hose 12 is dimensioned accordingly and by a resilient support 13 intercepted.
- a switching cylinder 15.2 is arranged on the metering slide 15.1, the piston rod 15.3 is provided with a hose pinch roller 15.4.
- the switching cylinder 15.2 is with a Pressure p1 can be applied, whereby the piston rod 15.3, the hose pinch roller 15.4 presses against the filling hose 12 and blocks the ink supply.
- a sensor 18 which can be moved with it is also arranged on the metering slide 15.1.
- a traverse 16 is assigned to the ink fountain 1 ′, which extends over the entire one Width extends and parallel to the guide rods 14.1; 14.2 runs.
- the Stroke 17.2 is placed so that there is a minimal gap between the Spreadsheet 17.2 and the ink fountain pen 2 'and the spreadsheet 17.2 and the ink fountain 1' is formed.
- the holder 17.3 is rotatable in the receptacle 17.4.
- a computer is assigned to the device described above.
- the movable filling hose 12 and the paint spatula 17 are circuitry with the Computer connected.
- the color requirement of the individual color zones becomes analogous to the exemplary embodiment described above 1 determined and stored in the computer.
- the data are processed in the computer and - according to the local color requirements - control commands to supply the individual Color zones issued.
- the facility is able to target the required amount of paint into the needy To spend color zone or group of color zones. This is done by the dosing slide 15.1 moves with the end of the filling hose 12 to the color zone in question. There is the shift cylinder 15.2 relaxed and thus the way for dosing the color is cleared. The Dosing takes place on the rotating ink duct 2 '. After completing the dosing process the switching cylinder 15.2 is actuated again and the hose pinch roller 15.4 blocks the Ink supply. Then the following color zone in need of color is approached and this accordingly of their color needs.
- the stationary color reservoir is almost unpressurized and the movable end of the filling hose is a squeezing device assigned, which subtracts the required amount of color from the fixed color reservoir and the in need of the color zone.
- the sensor 18 on the traverse is parallel to the ink duct 2 ' method. This palpates the fill level of the individual color zones or simultaneously of several, color zones summarized in color zone groups.
- the procedure is analogous to that of exemplary embodiment 1. That is, it will be again the printed sheets are counted and sent to the computer. At the same time the Color consumption determined and also made available to the computer. With this data the color requirement per product unit can be determined. Including the known Data stored in the computer can now be determined when the ink supply to the ink zones or ink zone groups is prevented. The computer can determine the point in time in analogy to embodiment 1 when for the color zone or Ink zone group with the lowest ink requirement no ink supply until the end of the job more is needed. When this time is reached, a residual dosing process is initiated.
- the ink supply through the filling hose 12 is stopped and the remaining dosing process is initiated.
- the sensor 18 is still active and drives the Color box 1 '.
- the color zones or the color zone groups are constantly changing determined with the least color requirement and largest color requirement and transmitted to the computer.
- the color spatula 10 is activated and processed at the start of the residual metering process the amount of residual ink analogous to embodiment 1.
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Ink Jet (AREA)
Description
- Figur 1
- Schnittdarstellung (Schema) der erfindungsgemäßen Einrichtung mit einer verfahrbaren Farbkartusche als Farbreservoir.
- Figur 2
- Darstellung der erfindungsgemäßen Einrichtung nach Figur 1 in der Draufsicht.
- Figur 3
- Schnittdarstellung (Schema) der erfindungsgemäßen Einrichtung mit einem verfahrbaren Füllschlauch zum Dosieren.
- Figur 4
- Darstellung der erfindungsgemäßen Einrichtung nach Figur 2 in der Draufsicht
Claims (22)
- Verfahren zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen, wobei die Druckmaschine zu Farbversorgung einen Farbkasten (1; 1') aufweist, dem ein mit Farbdosierelementen (4; 4') zusammenwirkender Farbduktor (2; 2') zugeordnet ist, so dass Farbzonen zur differenzierten Versorgung der Bedruckstoffe mit Farbe gebildet werden, und der Farbbedarf der Farbzonen oder von Farbzonengruppen ermittelt, diese Werte einem Rechner zugeführt und dort verarbeitet werden, der Rechner dem lokalen Farbbedarf adäquate Steuerbefehle zur Versorgung der einzelnen der Farbzonen oder Farbzonengruppen ausgibt und eine parallel zum Farbduktor (2; 2') verfahrbare Farbspendeeinrichtung (7; 15) die farbbedürftigen Farbzonen oder Farbzonengruppen versorgt,
dadurch gekennzeichnet, dass
die Farbzufuhr vor Auftragsende gestoppt wird, wobei dieser Zeitpunkt so gelegt wird, dass eine minimale, für die noch bis zum vorausberechneten Auftragsende zu verarbeitende Produktmenge ausreichende Farbmenge im Farbkasten (1) verbleibt und während der Verarbeitung der verbleibenden Produktmenge die Farbe von den Farbzonen oder Farbzonengruppen mit weniger Farbbedarf in Farbzonen oder Farbzonengruppen mit dem zu diesem Zeitpunkt höheren Farbbedarf mittels einer Farbspachtel (10, 17) geschoben wird. - Verfahren zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen nach Anspruch 1, dadurch gekennzeichnet, dass die Produktmenge und der Farbverbrauch während des Druckens erfasst werden, der Farbbedarf pro Produkteinheit ermittelt und unter Einbeziehung der insgesamt zu verarbeitenden Produktmenge der Zeitpunkt bestimmt wird, an dem die Farbzufuhr zu den Farbzonen oder Farbzonengruppen unterbunden wird.
- Verfahren zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen nach Anspruch 1, dadurch gekennzeichnet, dass während der Verarbeitung der verbleibenden Produktmenge die Farbe, wenn möglich, von der Farbzone oder Farbzonengruppe mit dem niedrigsten Farbbedarf in Farbzone oder Farbzonengruppe mit dem zu diesem Zeitpunkt höchsten Farbbedarf geschoben wird.
- Verfahren zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen nach Anspruch 1 und 2, dadurch gekennzeichnet, dass der zonale Farbbedarf über maschinenbezogene und/oder jobspezifische Daten ermittelt und dem Rechner zugeführt wird.
- Verfahren zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen nach Anspruch 1 und 2, dadurch gekennzeichnet, dass die jobspezifischen Daten über einen Plattenscanner ermittelt werden.
- Verfahren zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen nach Anspruch 1 und 2, dadurch gekennzeichnet, dass der lokale Farbbedarf über auftragsbezogene Vorstufendaten ermittelt wird.
- Verfahren zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen nach Anspruch 1 und 2, dadurch gekennzeichnet, dass als maschinenbezogene Größe die Maschinendrehzahl erfasst wird.
- Verfahren zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen nach Anspruch 1, dadurch gekennzeichnet, dass die Farbe auf dem Farbduktor (2) dosiert wird.
- Verfahren zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen nach Anspruch 1, dadurch gekennzeichnet, dass eine durch einen Rechner ansteuerbare, entlang des Farbduktors (2) verfahrbare Farbspendeeinrichtung (7) die farbbedürftigen Farbzonen oder Farbzonengruppen mit Farbe versorgt.
- Verfahren zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen nach Anspruch 1, dadurch gekennzeichnet, dass die erforderliche Farbmenge zur Versorgung der Farbzonen über ein ortsfestes Farbreservoir (11) bereitgestellt und die Farbe über einen Füllschlauch (12) in die farbbedürftige Farbzone gefördert wird, indem die Farbaustrittsöffnung des Füllschlauches (12) zur betreffenden Farbzone gebracht wird.
- Verfahren zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen nach Anspruch 10, dadurch gekennzeichnet, dass das ortsfestes Farbreservoir (11) permanent unter Druck steht.
- Verfahren zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen nach Anspruch 10, dadurch gekennzeichnet, dass die Dosierung der Farbe im Bereich der Farbaustrittsöffnung des Füllschlauches (12) erfolgt, indem diese je nach Bedarf geöffnet oder geschlossen gehalten wird.
- Verfahren zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen nach Anspruch 10, dadurch gekennzeichnet, dass nach Beendigung des Druckauftrages die Farbaustrittsöffnung verschlossen und das Farbreservoir (11) entspannt wird.
- Verfahren zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen nach Anspruch 10, dadurch gekennzeichnet, dass die nach Beendigung des Druckauftrages verbleibende Farbmenge zum größten Teil in das Farbreservoir (11) zurück gefördert wird.
- Verfahren zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen nach Anspruch 1, dadurch gekennzeichnet, dass zum Verschieben der Farbe nach dem Stoppen der Farbzufuhr eine Farbspachtel (10; 17) Anwendung findet.
- Verfahren zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen nach den Ansprüchen 1 bis 15, dadurch gekennzeichnet, dass die Farbspachtel (10; 17) nach jedem Arbeitsgang aus ihrer Arbeitslage gedreht wird.
- Verfahren zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen nach den Ansprüchen 1 und 15, dadurch gekennzeichnet, dass die Geschwindigkeit der Rückkehrbewegung der Farbspachtel (11) ein Mehrfaches der Geschwindigkeit beträgt, die beim Verschieben der Farbe gewählt wird.
- Einrichtung zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen, bestehend aus einem im Farbkasten (1; 1') angeordneten Farbduktor (2; 2'), der sich über dessen gesamte Breite erstreckt und mit einem in mehrere Abschnitte (3.1; 3.1'... 3.x; 3x') unterteilten Farbmesser (3; 3') einen Dosierspalt (5; 5') bildet und aus einer dem Farbkasten (1; 1') zugeordneten, durch einen Rechner ansteuerbare Farbspendeinrichtung (7; 12) zur bedarfsgerechten Versorgung der Farbzonen
dadurch gekennzeichnet, dass
im Farbkasten (1; 1') eine Farbspachtel (10; 17) angeordnet ist, die entlang der Achse des Farbduktors (2; 2') verfahrbar und schaltungstechnisch mit dem Rechner verbunden ist. - Einrichtung zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen nach Anspruch 18, dadurch gekennzeichnet, dass die Farbspendeeinrichtung als verfahrbare Farbkartusche (7.2) ausgeführt ist.
- Einrichtung zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen nach Anspruch 18, dadurch gekennzeichnet, dass als Farbspendeeinrichtung ein Farbreservoir (11) mit einem Füllschlauch (12) Anwendung findet, dessen Farbaustrittsöffnung entlang der Achse des Farbduktors (2') verfahrbar und durch einen Rechner ansteuerbar ist.
- Einrichtung zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen nach Anspruch 18, dadurch gekennzeichnet, dass die Lage des Streichblattes (10.2; 17.2) der Farbspachtel (10; 17) aus seiner Arbeitsstellung drehbar ist.
- Einrichtung zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen nach Anspruch 18, dadurch gekennzeichnet, dass das Streichblatt (10.2; 17.2) beim Farbtransport so gestellt ist, dass ein minimaler Spalt zwischen Streichblatt (10.2; 17.2) und Farbduktor (2; 2') und Streichblatt (10.2; 17.2) und Farbkasten (1; 1') entsteht.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19928228A DE19928228A1 (de) | 1999-06-19 | 1999-06-19 | Verfahren und Einrichtung zum Zuführen von Druckfarbe |
DE19928228 | 1999-06-19 | ||
DE10009663A DE10009663A1 (de) | 1999-06-19 | 2000-02-24 | Verfahren und Einrichtung zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen |
DE10009663 | 2000-02-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1060886A1 EP1060886A1 (de) | 2000-12-20 |
EP1060886B1 true EP1060886B1 (de) | 2002-07-31 |
Family
ID=26004590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00110753A Expired - Lifetime EP1060886B1 (de) | 1999-06-19 | 2000-05-19 | Verfahren und Einrichtung zum Zuführen von Druckfarbe in Farbkästen von Druckmaschinen |
Country Status (3)
Country | Link |
---|---|
US (1) | US6427592B1 (de) |
EP (1) | EP1060886B1 (de) |
AT (1) | ATE221459T1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014013226A1 (de) * | 2014-09-05 | 2016-03-10 | Heidelberger Druckmaschinen Ag | Verfahren zum Zuführen von Farbe in einer Druckmaschine |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2447868A (en) * | 1945-05-09 | 1948-08-24 | Ortleb Douglas | Ink agitator |
US3199451A (en) * | 1963-08-02 | 1965-08-10 | Koppers Co Inc | Ink distribution device |
US3848529A (en) * | 1972-10-24 | 1974-11-19 | Baldwin Gegenheimer Corp | Ink level control system |
DE2951651C2 (de) * | 1979-12-21 | 1983-10-20 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | Vorrichtung zum dosierten Aufbringen von Farbe mittels von Pumpen versorgter Farbdüsen auf die Farbauftragwalzen eines Farbwerks |
US4787313A (en) * | 1986-04-29 | 1988-11-29 | Didde Graphic Systems Corporation | Printing press using shiftable inking means |
US5103728A (en) * | 1990-05-29 | 1992-04-14 | Baldwin Technology Corporation | Ink level control system for offset printing presses |
JP2863848B2 (ja) * | 1991-10-24 | 1999-03-03 | 帝国インキ製造株式会社 | コーター用インキ撹拌機 |
US5265535A (en) * | 1991-12-28 | 1993-11-30 | Kabushiki Kaisha Isowa | Printing machine for corrugated board sheet |
EP0725733B1 (de) * | 1993-10-28 | 2000-05-17 | Perretta Graphics Corporation | Verfahren zum regeln der farbdichte |
DE4424591C1 (de) * | 1994-07-13 | 1995-12-14 | Roland Man Druckmasch | Vorrichtung zur Zufuhr von Druckfarbe aus einer Farbspendereinrichtung in einen Farbkasten |
DE29522134U1 (de) * | 1995-04-05 | 1999-12-16 | Heidelberger Druckmaschinen Ag, 69115 Heidelberg | Farbkasten im Farbwerk von Druckmaschinen |
JP3426251B2 (ja) * | 1996-09-30 | 2003-07-14 | アクセル グラフィクス システム インコーポレイテッド | 印刷機におけるインク供給部のインクレベルを保持する方法および装置 |
US5967049A (en) * | 1997-05-05 | 1999-10-19 | Quad/Tech, Inc. | Ink key control in a printing press including lateral ink spread, ink saturation, and back-flow compensation |
DE19906078B4 (de) * | 1998-03-14 | 2006-11-16 | Heidelberger Druckmaschinen Ag | Verfahren zur Steuerung des Füllstandes für Druckfarbe in einem Farbkasten |
US5967050A (en) * | 1998-10-02 | 1999-10-19 | Quad/Tech, Inc. | Markless color control in a printing press |
-
2000
- 2000-05-19 AT AT00110753T patent/ATE221459T1/de not_active IP Right Cessation
- 2000-05-19 EP EP00110753A patent/EP1060886B1/de not_active Expired - Lifetime
- 2000-06-29 US US09/606,908 patent/US6427592B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6427592B1 (en) | 2002-08-06 |
ATE221459T1 (de) | 2002-08-15 |
EP1060886A1 (de) | 2000-12-20 |
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