EP0791456B1 - Method and means for cleaning the surface of a printing machine cylinder - Google Patents
Method and means for cleaning the surface of a printing machine cylinder Download PDFInfo
- Publication number
- EP0791456B1 EP0791456B1 EP97101415A EP97101415A EP0791456B1 EP 0791456 B1 EP0791456 B1 EP 0791456B1 EP 97101415 A EP97101415 A EP 97101415A EP 97101415 A EP97101415 A EP 97101415A EP 0791456 B1 EP0791456 B1 EP 0791456B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning agent
- cleaning
- printing press
- process according
- press cylinder
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N3/00—Preparing for use and conserving printing surfaces
- B41N3/06—Preparing for use and conserving printing surfaces by use of detergents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F35/00—Cleaning arrangements or devices
- B41F35/006—Cleaning arrangements or devices for impression cylinders
Definitions
- the invention relates to a method and a device for cleaning a Printing press cylinder surface, or also a cylinder lift or a film according to the preambles of main and secondary claims.
- washing devices are known, such as from EP 0 419 289 A2 or EP 0 414 909 B1. These washing devices are used to remove dirt that are often formed by paper dust and printing ink.
- lateral surfaces are included Surface structures in printing press cylinders, especially impression cylinders known that tend to contaminate due to their structure.
- From CH-A-438 381 is a cleaning method for cleaning the smooth Surface of a wiping cylinder known.
- the rotating wiping cylinder will here immersed in a tub of cleaning fluid from brushes mechanically cleaned and when emerging from the in the tub cleaned cleaning liquid cleaned by a squeegee. Yet adhering residues of impurities are removed by means of cold or warm Removed water that emerges from a spray nozzle system.
- EP 0 004 605 A1 is a washing device for washing Cylinders known, the washing rollers to the surface of a Printing press cylinder can be turned on and off and in the area of a Cylinder channel can be brought out of contact.
- the object of the invention is a method and an apparatus for cleaning a Printing press cylinder surface or a cylinder lift or a film of strong adhering dirt, such as paper dust and hardened printing inks develop that clean surface structures with structural valleys sufficiently.
- the advantage of the method is that depending on the degree of contamination, cleaning in the Regular cleaning process can be integrated or even with a particularly strong one Contamination can occur when the press is at a standstill. So increases with one longer exposure time of the cleaning agent on the press cylinder surface or the elevator or the film also the cleaning effect. This can be particularly the case with Maintenance downtime or other machine downtime can be used to advantage.
- the cleaning agent can be manually or automatically on the Printing press cylinder surface are applied. After a defined exposure time is the detergent using a cleaning fluid, vzw. of water or Water vapor, washed off the outer surface. Washing may be preferred with a roller, a cloth washing device or a high pressure washing device respectively.
- the printing unit shown in FIG. 1 consists in a known manner of a Inking unit 1, a dampening unit 2 and a plate cylinder 3.
- the plate cylinder 3 is a blanket cylinder 4 adjacent and the blanket cylinder 4 is still a Printing machine cylinder 5 assigned as an impression cylinder.
- Blanket cylinder 4 and Printing press cylinders 5 each have a washing device 6 known per se In the present case, this is a brush roller washing device.
- the Printing machine cylinder 5 is also a cleaning device 7 on and off assigned, which in the area of the cylinder channel out of contact with the Printing press cylinder 5 can be brought.
- the cleaning device 7 consists of a drivable applicator roller 9, vzw.
- the applicator roller 9 still has an elastomeric surface and is enclosed by a chamber doctor blade, which by the doctor blade 8 as a metering device and the housing 12 for the supply of Detergent is formed. Squeegees 8 are depending on the working and closing squeegees Direction of rotation of the application roller 9 turned on.
- the chambered doctor blade has lines for the Supply and discharge of cleaning agents.
- the application roller 9 can also be a container for receiving the Detergent or a feed device for the detergent with one each Squeegee 8 to be assigned.
- the mode of operation is as follows: Is the structured surface of the Printing machine cylinder 5 dirty, this is preferably with a Pre-cleaned washing device. Then the housing 12 of the chamber doctor blade the cleaning agent is preferably supplied under pressure. Is used in In this example, the cleaning agent according to the above Recipe 1.
- the application roller 9, here as anilox roller rotates and takes 11 cleaning agents with the wells from the Housing 12 on.
- the doctor blade 8 doses the excess on the webs 10 Detergent, the cells 11 carry the desired detergent on towards the printing press cylinder 5.
- the cleaning device 7, especially the rotating one rastered application roller 9 is placed on the printing press cylinder 5, so that the Cup 11 the cleaning agent to the surface of the printing press cylinder 5 can pass.
- the printing press cylinder 5 also rotates transferred.
- the cleaning agent one cylinder revolution is sufficient on the surface, depending on the one used Application roller 9 and layer thickness to be applied also several cylinder revolutions for the application of the cleaning agent is possible.
- the surface of the Printing machine cylinder 5 completely provided with cleaning agent so the Cleaning device 7 turned off, the printing press cylinder 5 is stopped.
- the Detergent forms a gel-like film on the cylinder surface and now works a time of, for example, 2 hours on the structured surface of the Printing press cylinder 5 a.
- the cleaning agent remains on the circumference of the Printing machine cylinder 5 stick.
- the Washing device 6 started on the jacket of the printing press cylinder 5 and washes remove the detergent from the surface with water.
- the detergent absorbing wash water mixture of cleaning fluid, e.g. water, and Detergent acc. Recipe 1
- the detergent absorbing wash water is a separate pipe system for the discharge arranged.
- the mode of action is analogous for cleaning agents according to recipes 2 and 3, whereby depending on the composition, the exposure time is variable ..
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren sowie eine Vorrichtung zum Reinigen einer Druckmaschinenzylinderoberfläche, oder auch eines Zylinderaufzuges oder einer Folie gemäß den Oberbegriffen von Haupt- und Nebenansprüchen.The invention relates to a method and a device for cleaning a Printing press cylinder surface, or also a cylinder lift or a film according to the preambles of main and secondary claims.
In Druckmaschinen ist es üblich Verschmutzungen aufweisende Walzen bzw. Zylinder mit einem Reinigungsfluid zu benetzen und dadurch die Verschmutzungen abzulösen. Als Reinigungsfluide sind dabei Wasser, vorzugsweise kohlenwasserstoffhaltige Lösemittel sowie vegetabile Waschmittel gebräuchlich. Um diese Verschmutzungen zu beseitigen sind Waschvorrichtungen bekannt, wie beispielsweise aus der EP 0 419 289 A2 oder der EP 0 414 909 B1. Diese Waschvorrichtungen dienen der Beseitigung von Verschmutzungen, die häufig von Papierstaub und Druckfarbe gebildet werden.In printing presses it is customary to have rollers or cylinders with soiling to wet a cleaning fluid and thereby detach the dirt. As Cleaning fluids are water, preferably hydrocarbon solvents as well as vegetable detergents in use. To remove this contamination Washing devices are known, such as from EP 0 419 289 A2 or EP 0 414 909 B1. These washing devices are used to remove dirt that are often formed by paper dust and printing ink.
Beispielsweise aus den DE 4 207 119 A1 oder DE 4 230 567 A1 sind Mantelflächen mit Oberflächenstrukturen bei Druckmaschinenzylindern, insbesondere Gegendruckzylindern bekannt, die aufgrund ihrer Struktur zum Verschmutzen neigen. Die Verschmutzungen setzen sich in den Strukturtälern ab und bestehen dabei häufig aus Rückständen von Papierstaub und ausgehärteten Druckfarbenresten, die beim turnusmäßigen Waschvorgang mit üblichen Waschvorrichtungen nicht mehr beseitigt werden können.For example from DE 4 207 119 A1 or DE 4 230 567 A1, lateral surfaces are included Surface structures in printing press cylinders, especially impression cylinders known that tend to contaminate due to their structure. The pollution settle in the structure valleys and often consist of residues of Paper dust and hardened ink residues that occur during the regular washing process can no longer be eliminated with conventional washing devices.
Werden diese ausgehärteten Rückstände nicht beseitigt, wirkt sich dies negativ auf die Druckqualität, insbesondere bei Schön- und Widerdruck, aus. Die Folge ist, daß der Zylinderaufzug oder die Folie gewechselt werden müssen. Gegebenenfalls muß ein Druckmaschinenzylinder mit ausgehärteter Druckfarbe sogar ausgetauscht werden, was zwangsläufig sehr aufwendig ist.Failure to remove these cured residues will adversely affect the Print quality, especially for perfecting. The result is that the Cylinder lift or the film must be changed. If necessary, a Printing press cylinders with hardened printing ink can even be exchanged for what is necessarily very expensive.
Aus CH-A-438 381 ist ein Reinigungsverfahren zum Reinigen der glatten Oberfläche eines Wischzylinders bekannt. Der rotierende Wischzylinder wird hierbei in eine Wanne mit Reinigungsflüssigkeit eingetaucht, von Bürsten mechanisch gereinigt und beim Auftauchen aus der in der Wanne aufgenommenenReinigungsflüssigkeit von einer Rakel gereinigt. Noch anhaftende Reste von Verunreinigungen werden mittels kaltem oder warmen Wasser entfernt, welches aus einem Spritzdüsensystem austritt.From CH-A-438 381 is a cleaning method for cleaning the smooth Surface of a wiping cylinder known. The rotating wiping cylinder will here immersed in a tub of cleaning fluid from brushes mechanically cleaned and when emerging from the in the tub cleaned cleaning liquid cleaned by a squeegee. Yet adhering residues of impurities are removed by means of cold or warm Removed water that emerges from a spray nozzle system.
Gemäß EP 0 004 605 A1 ist eine Waschvorrichtung zum Waschen von Zylindern bekannt, deren Waschwalzen an die Oberfläche eines Druckmaschinenzylinders an- und abstellbar ist und im Bereich eines Zylinderkanals außer Kontakt bringbar ist. According to EP 0 004 605 A1 is a washing device for washing Cylinders known, the washing rollers to the surface of a Printing press cylinder can be turned on and off and in the area of a Cylinder channel can be brought out of contact.
Aufgabe der Erfindung ist es, ein Verfahren und eine Vorrichtung zur Reinigung einer Druckmaschinenzylinderoberfläche bzw. eines Zylinderaufzuges oder einer Folie von stark anhaftenden Verschmutzungen, wie Papierstaub und ausgehärteten Druckfarben, zu entwickeln, die auch Oberflächenstrukturen mit Strukturtälern ausreichend reinigen.The object of the invention is a method and an apparatus for cleaning a Printing press cylinder surface or a cylinder lift or a film of strong adhering dirt, such as paper dust and hardened printing inks develop that clean surface structures with structural valleys sufficiently.
Gelöst wird dies durch die Ausbildungsmerkmale der Patentansprüche 1 und 9.This is solved by the training features of
Vorteil des Verfahrens ist es, daß je nach Verschmutzungsgrad das Reinigen in den turnusmäßigen Reinigungsprozeß integriert werden kann oder auch bei besonders starker Verschmutzung bei Druckmaschinenstillstand erfolgen kann. So erhöht sich bei einer längeren Einwirkungszeit des Reinigungsmittels auf die Druckmaschinenzylinderoberfläche bzw. den Aufzug bzw. die Folie auch der Reinigungseffekt. Dies kann insbesondere bei Wartungsstillstand oder bei sonstigem Maschinenstillstand vorteilhaft ausgenutzt werden. Das Reinigungsmittel kann manuell oder auch automatisiert auf die Druckmaschinenzylinderoberfläche aufgetragen werden. Nach einer definierten Einwirkzeit wird das Reinigungsmittel unter Einsatz eines Reinigungsfluides, vzw. von Wasser oder Wasserdampf, von der Mantelfläche abgewaschen. Das Abwaschen kann dabei bevorzugt mit einer Walzen-, einer Tuchwaschvorrichtung oder einer Hochdruckwaschvorrichtung erfolgen.The advantage of the method is that depending on the degree of contamination, cleaning in the Regular cleaning process can be integrated or even with a particularly strong one Contamination can occur when the press is at a standstill. So increases with one longer exposure time of the cleaning agent on the press cylinder surface or the elevator or the film also the cleaning effect. This can be particularly the case with Maintenance downtime or other machine downtime can be used to advantage. The cleaning agent can be manually or automatically on the Printing press cylinder surface are applied. After a defined exposure time is the detergent using a cleaning fluid, vzw. of water or Water vapor, washed off the outer surface. Washing may be preferred with a roller, a cloth washing device or a high pressure washing device respectively.
Bei dem Reinigungsmittel handelt es sich um ein alkalisches Reinigungsgel auf wäßriger Basis mit folgenden möglichen Rezepturen:
- Rezeptur 1 :
-
- anorganische Lauge, vzw. 10 - 25 Gew.-% NaOH,
- Glykolether, vzw. 2-10 Gew.-% 1-Methoxy-2-propanol,
- Tenside,
- Verdickungsmittel .
- Rezeptur 2 :
-
- anorganische Lauge, vzw. 10 - 25 Gew.-% NaOH,
- Tenside,
- Verdickungsmittel .
- Rezeptur 3 :
-
- anorganische Lauge, vzw. 10 - 25 Gew.-% NaOH,
- Verdickungsmittel .
- Recipe 1:
-
- inorganic lye, vzw. 10 - 25% by weight NaOH,
- Glycol ether, vzw. 2-10% by weight of 1-methoxy-2-propanol,
- Surfactants,
- Thickener.
- Recipe 2:
-
- inorganic lye, vzw. 10 - 25% by weight NaOH,
- Surfactants,
- Thickener.
- Recipe 3:
-
- inorganic lye, vzw. 10 - 25% by weight NaOH,
- Thickener.
Die Erfindung soll an einem Ausführungsbeispiel näher erläutert werden.The invention will be explained in more detail using an exemplary embodiment.
Dabei zeigen:
- Fig. 1
- eine Druckeinheit einer Offsetdruckmaschine,
- Fig. 2
- eine Rasterwalze.
- Fig. 1
- a printing unit of an offset printing machine,
- Fig. 2
- an anilox roller.
Die gemäß Fig. 1 dargestellte Druckeinheit besteht in bekannter Weise aus einem
Farbwerk 1, einem Feuchtwerk 2 und einem Plattenzylinder 3. Dem Plattenzylinder 3 ist
ein Gummituchzylinder 4 benachbart und dem Gummituchzylinder 4 ist weiterhin ein
Druckmaschinenzylinder 5 als Gegendruckzylinder zugeordnet. Gummituchzylinder 4 und
Druckmaschinenzylinder 5 besitzen je eine an sich bekannte Waschvorrichtung 6. Im
vorliegenden Fall ist dies eine Bürstenwalzen-Waschvorrichtung. Dem
Druckmaschinenzylinder 5 ist weiterhin eine Reinigungsvorrichtung 7 an- und abstellbar
zugeordnet, welche im Bereich des Zylinderkanals außer Kontakt mit dem
Druckmaschinenzylinder 5 bringbar ist. Die Reinigungsvorrichtung 7 besteht aus einer
antreibbaren Auftragwalze 9, vzw. einer Rasterwalze, die auf der Mantelfläche verteilt eine
Vielzahl von Näpfchen 11 und Stegen 10 aufweist. Die Auftragwalze 9 besitzt weiterhin
eine elastomere Oberfläche und ist von einem Kammerrakel umschlossen, welches durch
die Rakel 8 als Dosiereinrichtung und das Gehäuse 12 für die Zuführung des
Reinigungsmittels gebildet ist. Rakel 8 sind als Arbeits- und Schließrakel je nach
Drehrichtung der Auftragwalze 9 angestellt. Das Kammerrakel besitzt Leitungen für die
Zuführung und Abführung von Reinigungsmittel. The printing unit shown in FIG. 1 consists in a known manner of a
In weiteren Ausbildungen kann der Auftragwalze 9 auch ein Behälter zur Aufnahme des
Reinigungsmittels oder eine Zuführeinrichtung für das Reinigungsmittel mit je einem
Arbeitsrakel 8 zugeordnet sein.In further embodiments, the
Die Wirkungsweise ist wie folgt: Ist die strukturierte Oberfläche des
Druckmaschinenzylinders 5 verschmutzt, wird diese vorzugsweise mit einer
Waschvorrichtung vorgereinigt. Anschließend wird dem Gehäuse 12 des Kammerrakels
das Reinigungsmittel vorzugsweise unter Druck zugeführt. Verwendet wird im
vorliegenden Beispiel das Reinigungsmittel gemäß o.g. Rezeptur 1. Die Auftragwalze 9,
hier als Rasterwalze, rotiert und nimmt mit den Näpfchen 11 Reinigungsmittel aus dem
Gehäuse 12 auf. Das Arbeitsrakel 8 dosiert an den Stegen 10 das überschüssige
Reinigungsmittel, die Näpfchen 11 transportieren das gewünschte Reinigungsmittel weiter
auf den Druckmaschinenzylinder 5 zu. Die Reinigungsvorrichtung 7, speziell die rotierende
gerasterte Auftragwalze 9 wird an den Druckmaschinenzylinder 5 angestellt, so daß die
Näpfchen 11 das Reinigungsmittel an die Oberfläche des Druckmaschinenzylinders 5
übergeben können. Der Druckmaschinenzylinder 5 wird dabei ebenfalls in Rotation
versetzt. Mittels einer winkelkorrelierten Maschinensteuerung wird bei Durchgang eines
Zylinderkanals die Reinigungsvorrichtung 7 von der Oberfläche des
Druckmaschinenzylinders 5 außer Kontakt gebracht. Zum Auftragen des Reinigungsmittels
auf die Oberfläche reicht eine Zylinderumdrehung, wobei je nach verwendeter
Auftragwalze 9 und aufzutragender Schichtdicke auch mehrere Zylinderumdrehungen für
den Auftrag des Reinigungsmittels möglich sind. Ist die Oberfläche des
Druckmaschinenzylinders 5 vollständig mit Reinigungsmittel versehen, so wird die
Reinigungsvorrichtung 7 abgestellt, der Druckmaschinenzylinder 5 wird stillgesetzt. Das
Reinigungsmittel bildet auf der Zylinderoberfläche einen gelartigen Film und wirkt nun
eine Zeit von beispielsweise 2 Stunden auf die strukturierte Oberfläche des
Druckmaschinenzylinders 5 ein. Dabei verbleibt das Reinigungsmittel auf dem Umfang des
Druckmaschinenzylinders 5 haften. Nach Beendigung der Einwirkzeit wird die
Waschvorrichtung 6 an den Mantel des Druckmaschinenzylinders 5 angestellt und wäscht
mittels Wasser das Reinigungsmittel von der Oberfläche ab. Für das das Reinigungsmittel
aufnehmende Waschwasser (Gemisch aus Reinigungsfluid, z.B. Wasser, und
Reinigungsmittel gem. Rezeptur 1) ist ein separates Leitungssystem für die Abfuhr
angeordnet. The mode of operation is as follows: Is the structured surface of the
Die Wirkungsweise ist für Reinigungsmittel gemäß den Rezepturen 2 und 3 analog, wobei
je nach Zusammensetzung die Einwirkzeit veränderlich ist.. The mode of action is analogous for cleaning agents according to
- 11
- FarbwerkInking unit
- 22nd
- FeuchtwerkDampening system
- 33rd
- PlattenzylinderPlate cylinder
- 44th
- GummituchzylinderBlanket cylinder
- 55
- DruckmaschinenzylinderPrinting press cylinder
- 66
- WaschvorrichtungWashing device
- 77
- ReinigungsvorrichtungCleaning device
- 88th
- RakelSqueegee
- 99
- AuftragwalzeApplicator roller
- 1010th
- StegeWalkways
- 1111
- NäpfchenCell
- 1212th
- Gehäusecasing
Claims (12)
- Process for cleaning a printing press cylinder surface (5) with a surface structure, characterised in that on to the contaminated surface of the rotating printing press cylinder is applied an aqueous alkaline cleaning agent, that after the application, the printing press cylinder (5) is rendered stationary, that the cleaning agent acts for a defined time on the surface, wherein a gel-like film adhering to the surface is formed and that then the cleaning agent adherent as a film is removed from the surface with a cleaning fluid.
- Process according to Claim 1, characterised in that the period of time of the actuation amounts to at least 60 minutes.
- Process according to Claim 1, characterised in that a cleaning agent is used formed of an inorganic lye and a thickening agent.
- Process according to Claim 1, characterised in that a cleaning agent containing a surface-active agent is used.
- Process according to Claims 3 and 4, characterised in that a cleaning agent containing a glycol ether is used.
- Process according to Claim 3, characterised in that the cleaning agent is used with an inorganic lye at a concentration of 10 to 25 Wt.% NaOH.
- Process according to Claim 5, characterised in that the cleaning agent is used with glycol ether in a concentration of 2 to 10 Wt.% 1-methoxy-2-propanol.
- Process according to Claim 1, characterised in that before the application of the cleaning agent to the surface of the printing press cylinder, the surface is washed with a cleaning fluid.
- Device for carrying out the process according to Claim 1, characterised in that a cleaning device (7) which can be set against and away from the surface of the printing press cylinder (5) which can be brought out of contact in the region of a cylinder channel is fitted with an applicator roller (9) for applying an aqueous alkaline cleaning agent on to the printing press cylinder (5), wherein the applicator roller (9) is surrounded by a chamber doctor containing cleaning agent and formed by doctor (8) and housing (12), wherein the chamber doctor serves for the meterable feed of the cleaning agent.
- Device according to Claim 9, characterised in that the applicator roller is a raster roller with an elastomeric surface with little basins (11) and bars (10) arranged distributed on the cover surface.
- Device according to Claim 9, characterised in that the applicator roller as a raster roller of the chamber doctor is surrounded with a working and a sealing doctor and which has a lead system for the feed and removal of the cleaning agent.
- Device according to Claim 9, characterised in that a further washing device (6) is fitted to the printing press cylinder adjacently.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19607037 | 1996-02-24 | ||
| DE19607037A DE19607037C2 (en) | 1996-02-24 | 1996-02-24 | Process for cleaning a printing press cylinder surface with a surface structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0791456A1 EP0791456A1 (en) | 1997-08-27 |
| EP0791456B1 true EP0791456B1 (en) | 2000-04-19 |
Family
ID=7786374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97101415A Expired - Lifetime EP0791456B1 (en) | 1996-02-24 | 1997-01-30 | Method and means for cleaning the surface of a printing machine cylinder |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5911175A (en) |
| EP (1) | EP0791456B1 (en) |
| JP (1) | JP3014655B2 (en) |
| AT (1) | ATE191882T1 (en) |
| DE (2) | DE19607037C2 (en) |
| DK (1) | DK0791456T3 (en) |
| ES (1) | ES2146043T3 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE50001245D1 (en) * | 1999-06-30 | 2003-03-20 | Oce Printing Systems Gmbh | METHOD AND PRINTING DEVICE FOR PRINTING A CARRIER MATERIAL AND CLEANING A PRINTING ROLLER |
| US6588337B1 (en) * | 2000-04-28 | 2003-07-08 | Baldwin Graphic Systems, Inc. | Method and apparatus for automatically cleaning both the blanket cylinder and the ink rollers of a printing press |
| DE10101835A1 (en) * | 2001-01-17 | 2002-07-18 | Koenig & Bauer Ag | Process for cleaning the surface of a cylinder |
| DE10161309B4 (en) * | 2001-12-13 | 2006-08-24 | Sun Chemical Corp. | Water-washable offset printing ink and manufacturing method |
| US20030167948A1 (en) * | 2002-03-05 | 2003-09-11 | Weitz Martin J. | Method and apparatus for steam cleaning anilox inking rollers |
| JP4786325B2 (en) * | 2004-12-21 | 2011-10-05 | ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト | Method for cleaning an anilox inking device of a printing press |
| DE102006012607A1 (en) * | 2006-03-18 | 2007-09-20 | Man Roland Druckmaschinen Ag | Satellite printing unit of a web-fed rotary printing machine |
| CN101484540A (en) * | 2006-07-05 | 2009-07-15 | 环境形象解决方案公司 | Method and composition for removing residual ink image from offset printing blanket |
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|---|---|---|---|---|
| EP0004605A1 (en) * | 1978-04-10 | 1979-10-17 | M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft | Arrangement for cleaning cylinders of printing machines, particularly of offset printing machines |
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| IT222609Z2 (en) * | 1989-10-24 | 1995-04-21 | Cooperativa Elettricisti Fonta | PAINT RECOVERY DEVICE FROM BELT CONVEYORS IN SPRAY PAINTING PLANTS |
| DE4207119C2 (en) * | 1992-03-06 | 1999-09-02 | Roland Man Druckmasch | Arch-guiding pressure cylinder jacket profile |
| US5203926A (en) * | 1992-03-06 | 1993-04-20 | Bondurant Louis E | Cleanser and desensitizer for printing equipment |
| DE4216359A1 (en) * | 1992-05-18 | 1993-12-02 | Hoechst Ag | Method for producing a multicolor image and photosensitive material for carrying out this process |
| DE4230567C2 (en) * | 1992-09-12 | 1994-06-30 | Heidelberger Druckmasch Ag | Foil as elevator for an impression cylinder of an offset sheet-fed rotary printing press for perfecting |
| DE9212582U1 (en) * | 1992-09-18 | 1992-11-26 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg | Device for washing an inking unit on printing machines |
| DE4237915A1 (en) * | 1992-11-10 | 1994-05-11 | Mohndruck Reinhard Mohn Ohg | Desalinated offset printing plate washing water - has a defined sodium content |
| DE29516976U1 (en) * | 1995-10-26 | 1995-12-21 | MAN Roland Druckmaschinen AG, 63075 Offenbach | Washing device for cleaning cylinders of an offset printing unit |
-
1996
- 1996-02-24 DE DE19607037A patent/DE19607037C2/en not_active Expired - Fee Related
-
1997
- 1997-01-30 AT AT97101415T patent/ATE191882T1/en active
- 1997-01-30 ES ES97101415T patent/ES2146043T3/en not_active Expired - Lifetime
- 1997-01-30 DK DK97101415T patent/DK0791456T3/en active
- 1997-01-30 DE DE59701459T patent/DE59701459D1/en not_active Expired - Lifetime
- 1997-01-30 EP EP97101415A patent/EP0791456B1/en not_active Expired - Lifetime
- 1997-02-19 US US08/802,068 patent/US5911175A/en not_active Expired - Fee Related
- 1997-02-24 JP JP9038757A patent/JP3014655B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0004605A1 (en) * | 1978-04-10 | 1979-10-17 | M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft | Arrangement for cleaning cylinders of printing machines, particularly of offset printing machines |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2146043T3 (en) | 2000-07-16 |
| US5911175A (en) | 1999-06-15 |
| JPH09234857A (en) | 1997-09-09 |
| ATE191882T1 (en) | 2000-05-15 |
| DE19607037C2 (en) | 1999-03-25 |
| DE19607037A1 (en) | 1997-09-04 |
| JP3014655B2 (en) | 2000-02-28 |
| EP0791456A1 (en) | 1997-08-27 |
| DK0791456T3 (en) | 2000-09-18 |
| DE59701459D1 (en) | 2000-05-25 |
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