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EP0956951B1 - Device for adjusting printing cylinders in a printing unit of a rotary printing machine - Google Patents

Device for adjusting printing cylinders in a printing unit of a rotary printing machine Download PDF

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Publication number
EP0956951B1
EP0956951B1 EP99106224A EP99106224A EP0956951B1 EP 0956951 B1 EP0956951 B1 EP 0956951B1 EP 99106224 A EP99106224 A EP 99106224A EP 99106224 A EP99106224 A EP 99106224A EP 0956951 B1 EP0956951 B1 EP 0956951B1
Authority
EP
European Patent Office
Prior art keywords
cylinders
printing
depositioning
printing mechanism
positioning
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
EP99106224A
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German (de)
French (fr)
Other versions
EP0956951A1 (en
Inventor
Serge Defrance
Franck Roland
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
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Filing date
Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0956951A1 publication Critical patent/EP0956951A1/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F13/00Common details of rotary presses or machines
    • B41F13/08Cylinders
    • B41F13/24Cylinder-tripping devices; Cylinder-impression adjustments
    • B41F13/34Cylinder lifting or adjusting devices
    • B41F13/36Cams, eccentrics, wedges, or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F13/00Common details of rotary presses or machines
    • B41F13/08Cylinders
    • B41F13/24Cylinder-tripping devices; Cylinder-impression adjustments
    • B41F13/26Arrangement of cylinder bearings
    • B41F13/32Bearings mounted on swinging supports

Definitions

  • the invention relates to a device for switching on and off Printing unit cylinders in rotary printing machines, in particular for web processors Rotary presses.
  • EP 0 193 012 A2 relates to a rotary printing press with a device for Adjustment of the printing unit cylinder between a position in which the bearer rings Printing unit cylinders are separated from each other and a position in which the cylinders are in line with each other during printing.
  • the printing unit cylinders are urged by springs in their parking position, which according to one embodiment of the Invention a force on the rotatably mounted holding arms of the printing unit cylinder muster.
  • the printing unit cylinders are mounted on leaf spring-shaped elements, which the Push the cylinder into its parking position.
  • a motor is provided that has a force directly onto one of the cylinders to move it from the parking position to the Bring position, which is required for printing.
  • the others Printing unit cylinders are moved into their position from their respective parking positions of the printing operation is moved by forces which are greater than those with the printing unit cylinders connected bearer rings are transmitted.
  • EP 0 625 423 A1 discloses a printing unit with a tilting and parking device.
  • a printing unit includes a frame, a first and a second carrier, and one lower and an upper plate cylinder.
  • the first bracket is movable on the frame stored.
  • One end of the upper plate cylinder is mounted so that it is the first Carrier moves.
  • the second carrier is also movably received on the frame.
  • On End of the lower printing cylinder is mounted so that it is with the second carrier emotional.
  • the printing unit also includes a tilting and a parking device.
  • the Inclination device moves the carrier independently of one another across the frame.
  • the Parking device pivots the carrier with respect to the frame.
  • the parking facility comprises an actuating cylinder and a piston rod, which are between the two supports are provided.
  • the actuating cylinder and the piston rod can be pivoted with the carrier connected and can be pivoted relative to this carrier, if this means the inclination device is adjusted transversely.
  • the Carriers are slanted independently of one another, while these for the Parking process still remain connected.
  • the invention is therefore based on the object in web processing Rotary printing presses make contact of the printing unit cylinders in the upper and lower To bring about the printing unit, whereby, however, the lateral surfaces of the transfer cylinders do not touch the printing units.
  • the advantages of the solution according to the invention are simple and safe controllable shutdown of the printing form cylinders from one another, in particular the Factor was taken into account that the material web to be printed in the gap can remain between the transfer cylinders of the printing units.
  • the two printing unit cylinders, i.e. blanket and plate cylinders in the upper one as in the lower printing unit are put together without fear of a web break should be.
  • the passage opening for the passage of the material web through a Printing unit is retained.
  • the lower one of the printing unit cylinders is, in fact, stationary in the printing unit. This configuration was chosen from an ergonomic point of view.
  • the control unit provides the Plate cylinders of the printing units each from the associated transfer cylinders Printing works, leaving room for subsequent adjustment of one of the Transfer cylinder was won.
  • the one causing the plate cylinders to shut down Actuating unit can be pressurized with compressed air or compressed air a hydraulic fluid comes into question. However, the actuator can also be operate by electric motor.
  • the adjustable transfer cylinder can be adjusted using a separate eccentric control unit to create a passage opening for the web of material from the stationary Transfer cylinder can be switched off.
  • Openings for the material web become an eccentric by means of a translation lever twisted, which, thanks to the eccentric bearing of the eccentric, the parking of the removable transfer cylinder from the stationary transfer cylinder.
  • the abutment of the actuating unit can be received on a side wall of the printing unit his.
  • the actuator, the eccentric can on a stop surface of the cylinder support act, which has been previously hardened or from a special wear-resistant material can be made.
  • the actuator itself can both pneumatically as well as hydraulically.
  • a cylinder configuration is in one another in FIG. 1 reproduced condition.
  • the printing unit 1 - also referred to as a double printing unit - can be placed in an upper one Subdivide printing unit 2 and a lower printing unit 3.
  • the upper printing unit 2 comprises an upper plate cylinder 4 and an upper transfer cylinder 5 Blanket cylinder.
  • the lower printing unit 3 is a lower plate cylinder 7 a lower transfer cylinder 6, also assigned a blanket cylinder.
  • the Plate cylinders 4, 7 are each covered with printing forms, which are not shown by Inking units are inked and the print image is transferred to the transfer cylinder, from where it is printed on both sides of a web of material, as is usual with double printing units becomes.
  • the printed colors can be classic heatset colors, it But water-based inks can also be printed with short inking units, too can be printed according to the dry offset process, without adding dampening solution.
  • Fig. 2 shows a cylinder configuration with evenly spaced apart Printing cylinders.
  • all printing unit cylinders are equally spaced from one another.
  • the automatically running one It may be necessary to change the printing form (see Fig. 3) to put the upper or lower printing unit 2, 3 in pairs, but a gap should be maintained between the two transfer cylinders 5, 6 by which is the path 9 of the web of material still located between the printing units runs.
  • Double printing units shows the operating side of a printing unit according to the invention Double printing units.
  • the printing unit 1, each equipped with an upper and a lower printing unit 2, 3 - seen here from the operator's side - includes adjustable printing form cylinders 4, 7 and two transfer cylinders 5, 6, one of which is stationary and the The remaining transfer cylinder 5, 6 is also held so that it can be switched off are trained without a canal; a sleeve-shaped continuous blanket becomes after opening gates 22, 23, which are replaced by a vertical for this purpose oriented pivot axis 21 are pivotable.
  • the transfer cylinder 6 i. e. the blanket cylinder 6 of the lower printing unit 3 in the printing unit 1, in a stationary bearing 20 added.
  • the lower plate cylinder 7 is by employing the swivel arm 19 the axis of rotation 18 is pivotable.
  • the upper plate cylinder 4 taken on Swivel arm 11, moving about the axis of rotation 10.
  • the upper transfer cylinder 5 is also pivotable about an axis of rotation 12.
  • Adjustment units 16, 17 are located on both sides of the side walls of the printing unit 1 added.
  • the actuating units 16, 17 can be piston / cylinder units which can be acted upon pneumatically or hydraulically.
  • the use of electromotive Actuators would also be conceivable.
  • the actuating unit 16 is on the upper swivel arm 11 articulated while the corresponding actuating rod 17 with the lower swivel arm 19th of the lower plate cylinder 7 is connected. Actuation of the actuating unit 16 leads thus for immediately stopping the upper and lower plate cylinders 4 from the Circumferential surfaces of the respective transfer cylinders 5 and 6.
  • the upper transfer cylinder 5, that is the blanket cylinder of the upper Printing unit 2 are parked from the stationary blanket cylinder 6.
  • This is preferably done via a separate eccentric control unit, which consists of a Eccentric disc 27, a transmission lever 29 and an actuator 31 there. ever an eccentric setting unit is provided on the side walls of the printing unit 1.
  • a separate eccentric control unit which consists of a Eccentric disc 27, a transmission lever 29 and an actuator 31 there. ever an eccentric setting unit is provided on the side walls of the printing unit 1.
  • the two plate cylinders 4, 7 can be switched off by the actuating unit 16, 17 Turning off the upper transfer cylinder 5 from the lower transfer cylinder 6 take place so that a passage opening for the material web between the two Printing units 2, 3 can be created.
  • the setting unit and the Activate the eccentric control unit at the same time for example, by interposing of a non-pressurized fluid
  • the movement of the top plate cylinder thanks its actuating unit is accelerated by activating the eccentric actuating unit, which leads to a further reduction in the operating times in the printing unit, which in particular can become significant in the event of a sudden unforeseen event.
  • a stop surface 15 acts on the swivel arm 13.
  • This additional holding unit 14 can also be pressurized with a pressure medium - be it compressed air or a Hydraulic fluid. An activation of this holding unit 14 is then usually made when the cylinder support 24 is in its parked position, to change the rubber blanket sleeve by opening the side gate 22 make.
  • the cylinder support 25 is on the side wall of FIG Printing unit 1 fixed.
  • a gate 23 is also provided on the stationary bearing 20, which is pivotable about a vertical pivot axis 21 to change the Blanket sleeve by pulling it sideways from the transfer cylinder 6 enable.
  • FIG. 5 shows the drive side of a printing unit with a device according to the invention for switching the printing cylinder on and off.
  • the abutment 32 of the actuating unit 31 of the eccentric actuating unit is in the Contrary to the representation of FIG. 4 in the area of the lower printing unit 2 on the Side wall of the printing unit 1 attached.
  • the actuator in the upper Printing unit may be provided.
  • the respectively rotated or extended positions 29.1, 31.1 are from Gear lever 29 and piston rod 31 shown.
  • the translation lever 29 provides for a rotation of the eccentric axis 28, so that the full eccentricity of the eccentric 27th can be exploited to create a sufficiently wide gap between the two Printing units 2 to get the remaining material web.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)

Description

Die Erfindung bezieht sich auf eine Vorrichtung zur An- und Abstellung von Druckwerkzylindern in Rotationsdruckmaschinen, insbesondere für bahnverarbeitende Rotationsdruckmaschinen.The invention relates to a device for switching on and off Printing unit cylinders in rotary printing machines, in particular for web processors Rotary presses.

EP 0 193 012 A2 bezieht sich auf eine Rotationsdruckmaschine mit einer Vorrichtung zur Verstellung Druckwerkzylinder zwischen einer Position, in welcher Schmitzringe der Druckwerkzylinder voneinander getrennt sind und einer Position, in der die Zylinder während des Druckbetriebes aneinander angestellt sind. Die Druckwerkzylinder werden durch Federn in ihrer Abstellposition gedrängt, welche gemäß einer Ausführungsform der Erfindung eine Kraft auf die drehbar gelagerten Haltearme der Druckwerkzylinder aufbringen. In einer anderen Ausführungsform der Erfindung gemäß EP 0 193 012 A2 werden die Druckwerkzylinder auf blattfederförmigen Elementen gelagert, welche die Zylinder in ihre Abstellposition drängen. Ein Motor ist vorgesehen, der eine Kraft unmittelbar auf einen der Zylinder aufbringt, um ihn von der Abstellposition in die Anstellposition, die für den Druckbetrieb erforderlich ist, zu bringen. Die anderen Druckwerkzylinder werden aus ihren jeweiligen Abstellpositionen in ihre Position während des Druckbetriebes durch Kräfte bewegt, welche über die mit den Druckwerkzylindern verbundenen Schmitzringe übertragen werden.EP 0 193 012 A2 relates to a rotary printing press with a device for Adjustment of the printing unit cylinder between a position in which the bearer rings Printing unit cylinders are separated from each other and a position in which the cylinders are in line with each other during printing. The printing unit cylinders are urged by springs in their parking position, which according to one embodiment of the Invention a force on the rotatably mounted holding arms of the printing unit cylinder muster. In another embodiment of the invention according to EP 0 193 012 A2 the printing unit cylinders are mounted on leaf spring-shaped elements, which the Push the cylinder into its parking position. A motor is provided that has a force directly onto one of the cylinders to move it from the parking position to the Bring position, which is required for printing. The others Printing unit cylinders are moved into their position from their respective parking positions of the printing operation is moved by forces which are greater than those with the printing unit cylinders connected bearer rings are transmitted.

EP 0 625 423 A1 offenbart ein Druckwerk mit einer Schrägstell- und Abstelleinrichtung. Ein Druckwerk beinhaltet ein Gestell, einen ersten und einen zweiten Träger, sowie einen unteren und einen oberen Plattenzylinder. Der erste Träger ist beweglich am Gestell gelagert. Ein Ende des oberen Plattenzylinders ist so gelagert, daß es sich mit dem ersten Träger bewegt. Auch der zweite Träger ist beweglich an dem Gestell aufgenommen. Ein Ende des unteren Druckwerkzylinders ist so gelagert, daß es sich mit dem zweiten Träger bewegt. Das Druckwerk umfaßt ferner eine Schrägstell- und eine Abstelleinrichtung. Die Schrägstelleinrichtung bewegt die Träger unabhängig voneinander quer zum Gestell. Die Abstelleinrichtung verschwenkt die Träger in bezug auf das Gestell. Die Abstelleinrichtung umfaßt einen Stellzylinder und eine Kolbenstange, die zwischen den beiden Trägern vorgesehen sind. Der Stellzylinder und die Kolbenstange sind schwenkbar mit dem Träger verbunden und können gegenüber diesem Träger verschwenkt werden, wenn dieser mittels der Schrägstelleinrichtung quer verstellt wird. Über die Abstelleinrichtung können die Träger unabhängig voneinander schräg gestellt werden, während diese für den Abstellvorgang dennoch miteinander verbunden bleiben.EP 0 625 423 A1 discloses a printing unit with a tilting and parking device. A printing unit includes a frame, a first and a second carrier, and one lower and an upper plate cylinder. The first bracket is movable on the frame stored. One end of the upper plate cylinder is mounted so that it is the first Carrier moves. The second carrier is also movably received on the frame. On End of the lower printing cylinder is mounted so that it is with the second carrier emotional. The printing unit also includes a tilting and a parking device. The Inclination device moves the carrier independently of one another across the frame. The Parking device pivots the carrier with respect to the frame. The parking facility comprises an actuating cylinder and a piston rod, which are between the two supports are provided. The actuating cylinder and the piston rod can be pivoted with the carrier connected and can be pivoted relative to this carrier, if this means the inclination device is adjusted transversely. Via the storage facility, the Carriers are slanted independently of one another, while these for the Parking process still remain connected.

Bei dieser Lösung geraten automatisch bei Anstellung der oberen bzw. der unteren Plattenzylinder bzw. Gummituchzylinder auch immer die Gummituchzylinder untereinander in Kontakt. Diese zwangsweise Koppelung der Gummituchzylindernanstellung erschwert die Automatisierung des Druckformwechsels nicht unerheblich. Die zwischen den Gummituchzylindern im Druckwerk verbleibende Materialbahn kann bei Druckformwechsel reißen, was ein aufwendiges Wiedereinfädeln der Materialbahn in die Druckwerke und damit einen erheblichen Zeitverlust zur Folge hat.With this solution, you automatically get to the top or bottom Plate cylinders or blanket cylinders also always the blanket cylinders in contact with each other. This forced coupling of the Blanket cylinder adjustment complicates the automation of the printing plate change not insignificant. The one remaining between the blanket cylinders in the printing unit Material web can tear when changing the printing form, which is a complex re-threading the material web into the printing units and thus a considerable loss of time.

Abhilfe kann zwar dadurch geschaffen werden, das untere Gummituch bzw. die untere Gummituchhülse am unteren Druckwerkzylinder zu entfernen, um die Druckform am oberen Plattenzylinder auszutauschen und umgekehrt - allein ist dies eine zeitraubende Lösung um einen Spalt aufrechtzuerhalten, innerhalb dessen die Materialbahn während des Druckformwechsels im Druckwerk verbleiben kann.This can be remedied by the lower rubber blanket or the lower one Remove the blanket sleeve on the lower printing unit cylinder to hold the printing form on Replacing the top plate cylinder and vice versa - this alone is a time consuming Solution to maintain a gap within which the material web during the Printing form change can remain in the printing unit.

Der Erfindung liegt daher die Aufgabe zugrunde, bei bahnverarbeitenden Rotationsdruckmaschinen einen Kontakt der Druckwerkzylinder im oberen und unteren Druckwerk herbeizuführen, wobei sich jedoch die Mantelflächen der Übertragungszylinder der Druckwerke nicht berühren.The invention is therefore based on the object in web processing Rotary printing presses make contact of the printing unit cylinders in the upper and lower To bring about the printing unit, whereby, however, the lateral surfaces of the transfer cylinders do not touch the printing units.

Erfindungsgemäß wird diese Aufgabe durch die Merkmale des Patentanspruches 1 gelöst.According to the invention, this object is achieved by the features of patent claim 1.

Die Vorteile der erfindungsgemäßen Lösung liegen in einer einfachen und sicher beherrschbaren Abstellung der Druckformzylinder voneinander, wobei insbesondere dem Umstand Rechnung getragen wurde, daß die zu bedruckende Materialbahn im Spalt zwischen den Übertragungszylindern der Druckwerke verbleiben kann. Zur Erzielung einer Glättwirkung während des Druckformwechsels können mittels der erfindungsgemäßen Lösung die beiden Druckwerkzylinder, also Gummituch- und Plattenzylinder im oberen wie im unteren Druckwerk aneinander angestellt werden, ohne daß ein Bahnriß befürchtet werden müßte. Die Durchlaßöffnung zur Passage der Materialbahn durch eine Druckeinheit bleibt erhalten.The advantages of the solution according to the invention are simple and safe controllable shutdown of the printing form cylinders from one another, in particular the Factor was taken into account that the material web to be printed in the gap can remain between the transfer cylinders of the printing units. To achieve a Smoothing effect during the printing form change can by means of the invention Solution the two printing unit cylinders, i.e. blanket and plate cylinders in the upper one as in the lower printing unit are put together without fear of a web break should be. The passage opening for the passage of the material web through a Printing unit is retained.

In weiterer Ausgestaltung des der erfindungsgemäßen Lösung zugrundeliegenden Gedankens ist der untere der Druckwerkzylinder in der Druckeinheit stationär gelagert. Diese Konfiguration wurde aus ergonomischer Sicht gewählt. Die Stelleinheit stellt die Plattenzylinder der Druckwerke jeweils von dem zugehörigen Übertragungszylindern der Druckewerke ab, wodurch Raum für eine nachfolgende Verstellung eines der Übertragungszylinder gewonnen wurde. Die die Abstellung der Plattenzylinder bewirkende Stelleinheit ist druckmittelbeaufschlagbar, wobei als Druckmedium komprimierte Luft oder ein Hydraulikfluid in Frage kommt. Die Stelleinheit ließe sich jedoch auch elektromotorisch betätigen.In a further embodiment of the basis of the solution according to the invention The lower one of the printing unit cylinders is, in fact, stationary in the printing unit. This configuration was chosen from an ergonomic point of view. The control unit provides the Plate cylinders of the printing units each from the associated transfer cylinders Printing works, leaving room for subsequent adjustment of one of the Transfer cylinder was won. The one causing the plate cylinders to shut down Actuating unit can be pressurized with compressed air or compressed air a hydraulic fluid comes into question. However, the actuator can also be operate by electric motor.

Der verstellbare der Übertragungszylinder ist mittels einer separaten Exzenterstelleinheit zur Erzeugung einer Durchlaßöffnung für die Materialbahn vom stationär gelagerten Übertragungszylinder abstellbar. Zur Vergrößerung der durch die Stellbewegung erzeugten Öffnungen für die Materialbahn wird ein Exzenter mittels eines Übersetzungshebels verdreht, wodurch dank der exzentrischen Lagerung des Exzenters die Abstellung des abstellbaren Übertragungszylinders vom stationär gelagerten Übertragungszylinder erfolgt. Das Widerlager der Stelleinheit kann an einer Seitenwand der Druckeinheit aufgenommen sein. Das Stellglied, der Exzenter, kann auf einer Anschlagfläche des Zylindersupportes einwirken, die beispielsweise vorher gehärtet wurde oder aus einem besonders verschleißresistenten Material gefertigt sein kann. Die Stelleinheit selbst kann sowohl pneumatisch als auch hydraulisch beaufschlagt werden. The adjustable transfer cylinder can be adjusted using a separate eccentric control unit to create a passage opening for the web of material from the stationary Transfer cylinder can be switched off. To enlarge the generated by the actuating movement Openings for the material web become an eccentric by means of a translation lever twisted, which, thanks to the eccentric bearing of the eccentric, the parking of the removable transfer cylinder from the stationary transfer cylinder. The abutment of the actuating unit can be received on a side wall of the printing unit his. The actuator, the eccentric, can on a stop surface of the cylinder support act, which has been previously hardened or from a special wear-resistant material can be made. The actuator itself can both pneumatically as well as hydraulically.

In Weiterführung des der Erfindung zugrundeliegenden Gedankens ist dem abstellbaren Übertragungszylinder eine zusätzliche Halteeinheit zugeordnet, die diesen bei abgeschwenktem Tor in seiner abgestellten Position hält. Das Tor ist deshalb abschwenkbar gelagert, weil zum Wechsel einer hülsenförmigen, kanallosen Gummituchhülse ein seitlicher Zugang zu den Übertragungszylindern der Druckwerke gewährleistet sein muß.The continuation of the idea on which the invention is based is that which can be switched off Transfer cylinder assigned an additional holding unit, which this holds the pivoted gate in its parked position. The gate is therefore pivoted, because to change a sleeve-shaped, channelless Blanket sleeve a side access to the transfer cylinders of the printing units must be guaranteed.

Weitere Einzelheiten sind der Beschreibung und der Zeichnung zu entnehmen, in der

Fig. 1
eine Zylinderkonfiguration in aneinander angestelltem Zustand wiedergibt,
Fig. 2
eine Zylinderkonfiguration mit gleichmäßig voneinander abgestellten Druckwerkzylindern zeigt,
Fig. 3
paarweise aneinander angestellte Druckwerkzylinder mit einer Durchlaßöffnung für eine Materialbahn wiedergibt,
Fig. 4
die Bedienseite einer erfindungsgemäßen Druckeinheit mit Doppeldruckwerken darstellt und
Fig. 5
die Antriebsseite einer Druckeinheit mit einer erfindungsgemäßen Einrichtung zum An- und Abstellen der Druckwerkzylinder wiedergibt.
Further details can be found in the description and the drawing in which
Fig. 1
reproduces a cylinder configuration in a state in which they are placed against one another,
Fig. 2
shows a cylinder configuration with printing unit cylinders evenly spaced from one another,
Fig. 3
reproduces printing unit cylinders arranged in pairs with one another with a passage opening for a material web,
Fig. 4
represents the operating side of a printing unit according to the invention with double printing units and
Fig. 5
reproduces the drive side of a printing unit with a device according to the invention for switching the printing unit cylinders on and off.

In stark vereinfachter Darstellung ist in Fig. 1 eine Zylinderkonfiguration in aneinander angestelltem Zustand wiedergegeben.In a highly simplified representation, a cylinder configuration is in one another in FIG. 1 reproduced condition.

Die Druckeinheit 1 - auch als Doppeldruckwerk bezeichnet - läßt sich in ein oberes Druckwerk 2 und ein unteres Druckwerk 3 unterteilen. Das obere Druckwerk 2 umfaßt einen oberen Plattenzylinder 4 und einen oberen Übertragungszylinder 5, den Gummituchzylinder. Ebenso das untere Druckwerk 3: einem unteren Plattenzylinder 7 ist ein unterer Übertragungszylinder 6, ebenfalls ein Gummituchzylinder zugeordnet. Die Plattenzylinder 4, 7 sind jeweils mit Druckformen belegt, die durch nicht näher dargestellte Farbwerke eingefärbt werden und das Druckbild an den Übertragungszylinder übertragen, von wo es - wie bei Doppeldruckwerken üblich - beidseits auf eine Materialbahn gedruckt wird. Bei den verdruckten Farben kann es sich um klassische Heatset-Farben handeln, es können aber auch wasserbasierende Farben mit Kurzfarbwerken verdruckt werden, auch kann gemäß des Trockenoffsetverfahrens gedruckt werden, ohne Feuchtmittelbeimischung.The printing unit 1 - also referred to as a double printing unit - can be placed in an upper one Subdivide printing unit 2 and a lower printing unit 3. The upper printing unit 2 comprises an upper plate cylinder 4 and an upper transfer cylinder 5 Blanket cylinder. Likewise, the lower printing unit 3 is a lower plate cylinder 7 a lower transfer cylinder 6, also assigned a blanket cylinder. The Plate cylinders 4, 7 are each covered with printing forms, which are not shown by Inking units are inked and the print image is transferred to the transfer cylinder, from where it is printed on both sides of a web of material, as is usual with double printing units becomes. The printed colors can be classic heatset colors, it But water-based inks can also be printed with short inking units, too can be printed according to the dry offset process, without adding dampening solution.

Fig. 2 zeigt eine Zylinderkonfiguration mit gleichmäßig voneinander abgestellten Druckwerkzylindern.Fig. 2 shows a cylinder configuration with evenly spaced apart Printing cylinders.

In dieser Konfiguration sind alle Druckwerkzylinder gleich weit voneinander abgestellt. Bei bestimmten Anforderungen, beispielsweise dem automatisch ablaufenden Druckformwechsel kann es erforderlich sein (siehe Fig. 3), die Druckwerkzylinder des oberen bzw. des unteren Druckwerkes 2, 3 paarweise aneinander zu stellen, wobei aber zwischen den beiden Übertragungszylindern 5, 6 ein Spalt erhalten bleiben soll, durch welchen der Bahnpfad 9 der noch zwischen den Druckwerken befindlichen Materialbahn verläuft.In this configuration, all printing unit cylinders are equally spaced from one another. With certain requirements, for example the automatically running one It may be necessary to change the printing form (see Fig. 3) to put the upper or lower printing unit 2, 3 in pairs, but a gap should be maintained between the two transfer cylinders 5, 6 by which is the path 9 of the web of material still located between the printing units runs.

Im in Fig. 3 gezeigten Zustand sind solcherart paarweise aneinander angestellte Druckwerkzylinder jeweils im oberen Druckwerk 2 und im unteren Druckwerk 3 dargestellt, wobei eine Durchlaßöffnung für die Materialbahn erhalten bleibt. Die paarweise Anstellung der Druckwerkzylinder 4, 5 bzw. 6, 7 im oberen bzw. unteren Druckwerk, ermöglicht in den beiden Druckwerken den Wechsel der Druckformen auf den Plattenzylindern 4, 7. Durch das Anstellen von Platten- und Übertragungszylinder 4, 5 bzw. 6, 7 in den jeweiligen Druckwerken läßt sich das Aufziehen der Druckformen aus einer automatischen Plattenwechselvorrichtung erheblich vereinfachen; zudem wird erheblich Rüstzeit eingespart. In the state shown in Fig. 3 are in such a way in pairs Printing unit cylinders in the upper printing unit 2 and in the lower printing unit 3 shown, with a passage opening for the material web is retained. The paired adjustment of the printing unit cylinders 4, 5 and 6, 7 in the upper and lower Printing unit, makes it possible to change the printing forms on the two printing units Plate cylinders 4, 7. By placing plate and transfer cylinders 4, 5 or 6, 7 in the respective printing units, the mounting of the printing forms can be done significantly simplify an automatic plate changing device; also will considerable set-up time saved.

Fig. 4 stellt die Bedienseite einer erfindungsgemäßen Druckeinheit mit Doppeldruckwerken dar.4 shows the operating side of a printing unit according to the invention Double printing units.

Die Druckeinheit 1, ausgestattet mit jeweils einem oberen und einem unteren Druckwerk 2, 3 - hier von der Bedienerseite aus gesehen - umfaßt abstellbare Druckformzylinder 4, 7 sowie zwei Übertragungszylinder 5, 6, von denen einer stationär aufgenommen ist und der verbleibende ebenfalls abstellbar gehalten ist Die dargestellten Übertragungszylinder 5, 6 sind kanallos ausgebildet; ein hülsenförmiges ununterbrochenes Gummituch wird nach dem Öffnen von Toren 22, 23 ausgewechselt, die zu diesem Zwecke um eine vertikal orientierte Schwenkachse 21 schwenkbar sind.The printing unit 1, each equipped with an upper and a lower printing unit 2, 3 - seen here from the operator's side - includes adjustable printing form cylinders 4, 7 and two transfer cylinders 5, 6, one of which is stationary and the The remaining transfer cylinder 5, 6 is also held so that it can be switched off are trained without a canal; a sleeve-shaped continuous blanket becomes after opening gates 22, 23, which are replaced by a vertical for this purpose oriented pivot axis 21 are pivotable.

In der gezeigten Darstellung ist der Übertragungszylinder 6; i. e. der Gummituchzylinder 6 des unteren Druckwerkes 3 in der Druckeinheit 1, in einer stationären Lagerung 20 aufgenommen. Der untere Plattenzylinder 7 ist durch Anstellung des Schwenkarms 19 um die Drehachse 18 schwenkbar.In the illustration shown, the transfer cylinder 6; i. e. the blanket cylinder 6 of the lower printing unit 3 in the printing unit 1, in a stationary bearing 20 added. The lower plate cylinder 7 is by employing the swivel arm 19 the axis of rotation 18 is pivotable.

In dem oberen Druckwerk 2 läßt sich der obere Plattenzylinder 4, aufgenommen am Schwenkarm 11, um die Drehachse 10 bewegend. Der obere Übertragungszylinder 5 ist ebenfalls um eine Drehachse 12 verschwenkbar.In the upper printing unit 2, the upper plate cylinder 4, taken on Swivel arm 11, moving about the axis of rotation 10. The upper transfer cylinder 5 is also pivotable about an axis of rotation 12.

An beiden Seiten der Seitenwände der Druckeinheit 1 sind Stelleinheiten 16, 17 aufgenommen. Die Stelleinheiten 16, 17 können Kolben/Zylindereinheiten sein, die pneumatisch oder hydraulisch beaufschlagbar sind. Die Verwendung elektromotorischer Stelleinheiten wäre ebenfalls denkbar. Die Stelleinheit 16 ist am oberen Schwenkarm 11 angelenkt, während die korrespondierende Stellstange 17 mit dem unteren Schwenkarm 19 des unteren Plattenzylinders 7 verbunden ist. Eine Beaufschlagung der Stelleinheit 16 führt somit zum sofortigen Abstellen des oberen und des unteren Plattenzylinders 4, von den Umfangsflächen der jeweiligen Übertragungszylinder 5 bzw. 6.Adjustment units 16, 17 are located on both sides of the side walls of the printing unit 1 added. The actuating units 16, 17 can be piston / cylinder units which can be acted upon pneumatically or hydraulically. The use of electromotive Actuators would also be conceivable. The actuating unit 16 is on the upper swivel arm 11 articulated while the corresponding actuating rod 17 with the lower swivel arm 19th of the lower plate cylinder 7 is connected. Actuation of the actuating unit 16 leads thus for immediately stopping the upper and lower plate cylinders 4 from the Circumferential surfaces of the respective transfer cylinders 5 and 6.

Danach kann der obere Übertragungszylinder 5, also der Gummituchzylinder des oberen Druckwerkes 2 vom stationär gelagerten Gummituchzylinder 6 abgestellt werden. Dies geschieht vorzugsweise über eine separate Exzenterstelleinheit, die aus einer Exzenterscheibe 27, einem Übersetzungshebel 29 sowie einer Stelleinheit 31 besteht. Je eine Exzenterstelleinheit ist an den Seitenwänden der Druckeinheit 1 vorgesehen. Nach der Abstellung der beiden Plattenzylinder 4, 7 durch die Stelleinheit 16, 17 kann eine Abstellung des oberen Übertragungszylinder 5 vom unteren Übertragungszylinder 6 erfolgen, so daß eine Durchlaßöffnung für die Materialbahn zwischen den beiden Druckwerken 2, 3 geschaffen werden kann.Then the upper transfer cylinder 5, that is the blanket cylinder of the upper Printing unit 2 are parked from the stationary blanket cylinder 6. This is preferably done via a separate eccentric control unit, which consists of a Eccentric disc 27, a transmission lever 29 and an actuator 31 there. ever an eccentric setting unit is provided on the side walls of the printing unit 1. After The two plate cylinders 4, 7 can be switched off by the actuating unit 16, 17 Turning off the upper transfer cylinder 5 from the lower transfer cylinder 6 take place so that a passage opening for the material web between the two Printing units 2, 3 can be created.

In vorteilhafter Weiterbildung könnte auch vorgesehen sein, die Stelleinheit und die Exzenterstelleinheit gleichzeitig zu aktivieren (beispielsweise durch Zwischenschaltung eines nicht unter Druck stehenden Fluides), um auf diese Weise das Anheben des oberen Druckplattenzylinders und das Absenken des unteren Plattenzylinders durch sein Eigengewicht herbeizuführen. Die Bewegung des oberen Druckplattenzylinders dank seiner Stelleinheit wird durch die Aktivierung der Exzenterstelleinheit noch beschleunigt, was zu einer weiteren Herabsetzung der Stellzeiten im Druckwerk führt, was insbesondere bei einem plötzlich auftretenden unvorhergesehenen Ereignis bedeutsam werden kann.In an advantageous further development, the setting unit and the Activate the eccentric control unit at the same time (for example, by interposing of a non-pressurized fluid) to raise the upper one Plate cylinder and lowering of the lower plate cylinder by To bring your own weight. The movement of the top plate cylinder thanks its actuating unit is accelerated by activating the eccentric actuating unit, which leads to a further reduction in the operating times in the printing unit, which in particular can become significant in the event of a sudden unforeseen event.

Nach Beaufschlagung der Stelleinheit 31, dessen Widerlager 32 an der Seitenwand der Druckeinheit 11 festgelegt ist, verfährt die Kolbenstange 30 in die ausgefahrene Position 30.1 und bewegt den Übersetzungshebel 29 um die Drehachse 28 nach unten in eine Position 29.1.After loading the actuator 31, its abutment 32 on the side wall of the Printing unit 11 is fixed, the piston rod 30 moves into the extended Position 30.1 and moves the transmission lever 29 down about the axis of rotation 28 in a position 29.1.

Dadurch erfolgt eine Verdrehung der Exzenterscheibe 27, die ihrerseits mit einer Anschlagfläche 26 des Zylindersupportes 24 zusammenarbeitet. Durch die Exzentrizität der Scheibe 27 wird der Zylindersupport 24 um die Achse 12 verschwenkt. Die Anschlagfläche 26 kann aus verschleißfestem Material gefertigt oder speziell gehärtet sein. Das Verschwenken des Zylindersupportes 24 um die Drehachse 12 bewirkt die Bildung eines Spaltes zwischen den Flächen der Übertragungszylinder 5, 6, so daß die Bahn zwischen den Druckwerken 2, 3 der Druckeinheit 1 verbleiben kann. This results in a rotation of the eccentric disc 27, which in turn with a Stop surface 26 of the cylinder support 24 cooperates. Because of the eccentricity the disc 27, the cylinder support 24 is pivoted about the axis 12. The Stop surface 26 can be made of wear-resistant material or can be specially hardened. The pivoting of the cylinder support 24 about the axis of rotation 12 causes the formation a gap between the surfaces of the transfer cylinders 5, 6 so that the web can remain between the printing units 2, 3 of the printing unit 1.

Eine Absicherung des Schwenkarmes 13 - etwa beim Auswechseln der Gummituchhülse am oberen Übertragungszylinder 5 - erfolgt durch eine zusätzliche Halteeinheit 14, die auf einer Anschlagfläche 15 am Schwenkarm 13 einwirkt. Diese zusätzliche Halteeinheit 14 kann ebenfalls mit einem Druckmedium beaufschlagbar sein - sei es Druckluft oder eine Hydraulikfluid. Eine Aktivierung dieser Halteeinheit 14 wird in der Regel dann vorgenommen, wenn sich der Zylindersupport 24 in seiner abgestellten Position befindet, um einen Wechsel der Gummituchhülse durch Öffnen des seitlichen Tores 22 vorzunehmen.Securing the swivel arm 13 - for example when replacing the rubber blanket sleeve on the upper transfer cylinder 5 - is carried out by an additional holding unit 14 a stop surface 15 acts on the swivel arm 13. This additional holding unit 14 can also be pressurized with a pressure medium - be it compressed air or a Hydraulic fluid. An activation of this holding unit 14 is then usually made when the cylinder support 24 is in its parked position, to change the rubber blanket sleeve by opening the side gate 22 make.

In gezeigtem Ausführungsbeispiel ist der Zylindersupport 25 an der Seitenwand der Druckeinheit 1 fixiert. An der stationären Lagerung 20 ist ebenfalls ein Tor 23 vorgesehen, welches um eine vertikale Schwenkachse 21 schwenkbar ist, um den Wechsel der Gummituchhülse durch seitliches Abziehen derselben vom Übertragungszylinder 6 zu ermöglichen.In the exemplary embodiment shown, the cylinder support 25 is on the side wall of FIG Printing unit 1 fixed. A gate 23 is also provided on the stationary bearing 20, which is pivotable about a vertical pivot axis 21 to change the Blanket sleeve by pulling it sideways from the transfer cylinder 6 enable.

Fig. 5 zeigt die Antriebsseite einer Druckeinheit mit einer erfindungsgemäßen Einrichtung zum An- und Abstellen der Druckwerkzylinder.5 shows the drive side of a printing unit with a device according to the invention for switching the printing cylinder on and off.

In dieser Ansicht ist das Widerlager 32 der Stelleinheit 31 der Exzenterstelleinheit im Gegensatz zur Darstellung gemäß Fig. 4 im Bereich des unteren Druckwerkes 2 an der Seitenwand der Druckeinheit 1 befestigt. Gemäß einer nicht dargestellten Ausführungsvariante der vorliegenden Erfindung kann die Stelleinheit auch im oberen Druckwerk vorgesehen sein.In this view, the abutment 32 of the actuating unit 31 of the eccentric actuating unit is in the Contrary to the representation of FIG. 4 in the area of the lower printing unit 2 on the Side wall of the printing unit 1 attached. According to a not shown Embodiment variant of the present invention can also the actuator in the upper Printing unit may be provided.

Auch hier sind die jeweils verdrehten bzw. ausgefahrenen Positionen 29.1, 31.1 vom Übersetzungshebel 29 und Kolbenstange 31 dargestellt. Der Übersetzungshebel 29 sorgt für eine Verdrehung der Exzenterachse 28, so daß die volle Exzentrizität des Exzenters 27 ausgenutzt werden kann, um einen ausreichend breiten Spalt für die zwischen beiden Druckwerken 2, verbleibende Materialbahn zu erhalten. Here, too, the respectively rotated or extended positions 29.1, 31.1 are from Gear lever 29 and piston rod 31 shown. The translation lever 29 provides for a rotation of the eccentric axis 28, so that the full eccentricity of the eccentric 27th can be exploited to create a sufficiently wide gap between the two Printing units 2 to get the remaining material web.

Die Abstellung der beiden Plattenzylinder 4, 7 von den Umfangsflächen der Übertragungszylinder 5, 6 erfolgt durch die Stelleinheit 16, 17, wobei die Schwenkarme 11 des oberen Plattenzylinders 4 angehoben werden, während der untere Plattenzylinder 7 durch sein Eigengewicht nach unten absinkt. Danach erfolgt die Abstellung des oberen Übertragungszylinders 5 vom unteren Übertragungszylinder 6 wie oben dargelegt, was zur Spaltbildung zwischen diesen für die Passage der Materialbahn führt. Eine paarweise Abstellung der Druckwerkzylinder (vgl. Fig. 3) aneinander erfolgt nun dadurch, daß der obere Plattenzylinder 4 langsam auf den oberen Übertragungszylinder 5 abgesenkt wird, wodurch die Umfangsflächen dieser Zylinder in Kontakt sind. Der untere Plattenzylinder 7 wird durch die Stelleinheit 16 angehoben und an die Umfangsfläche des stationär gelagerten Übertragungszylinders 6 angestellt. Dies geschieht, während der Zylindersupport 24 des oberen Übertragungszylinders 5 durch die Exzenterstelleinheit 27, 29, 31 in seiner vom stationären Übertragungszylinder 6 abgestellten Position verbleibt - der Spalt für die Materialbahn bleibt erhalten. Die paarweise Anstellung der Druckwerkzylinder kann zur Durchführung des Druckformwechsels bei in der Druckeinheit 1 verbleibende Materialbahn ausgenutzt werden. The parking of the two plate cylinders 4, 7 from the peripheral surfaces of the Transfer cylinders 5, 6 are carried out by the actuating unit 16, 17, the swivel arms 11 of the upper plate cylinder 4 are raised while the lower plate cylinder 7 sinks down due to its own weight. Then the upper one is turned off Transfer cylinder 5 from the lower transfer cylinder 6 as set out above, which for Gap formation between these leads for the passage of the material web. In pairs The printing unit cylinders (see FIG. 3) are now turned off against one another by the fact that the upper plate cylinder 4 is slowly lowered onto the upper transfer cylinder 5, whereby the peripheral surfaces of these cylinders are in contact. The lower plate cylinder 7 is raised by the actuator 16 and to the peripheral surface of the stationary stored transfer cylinder 6 employed. This happens during the Cylinder support 24 of the upper transfer cylinder 5 by the eccentric control unit 27, 29, 31 remains in its position parked by the stationary transfer cylinder 6 - the gap for the material web is retained. The pairing of the Printing unit cylinder can be used to carry out the printing plate change in the Printing unit 1 remaining material web can be used.

BEZUGSZEICHENLISTELIST OF REFERENCE NUMBERS

11
Druckeinheitprinting unit
22
oberes Druckwerkupper printing unit
33
unteres Druckwerklower printing unit
44
oberer Plattenzylinderupper plate cylinder
55
oberer Gummituchzylinderupper blanket cylinder
66
unterer Gummituchzylinder (stationär)lower blanket cylinder (stationary)
77
unterer Plattenzylinderlower plate cylinder
88th
Ebenelevel
99
Bahnpfadweb path
1010
Drehachseaxis of rotation
1111
Schwenkarmswivel arm
1212
Drehachseaxis of rotation
1313
Schwenkarmswivel arm
1414
Halteeinheitholding unit
1515
Anschlagattack
1616
Stelleinheitactuator
1717
Stellstangecontrol rod
1818
Drehachseaxis of rotation
1919
Schwenkarmswivel arm
2020
stationäre Lagerungstationary storage
2121
Schwenkachseswivel axis
2222
Torgoal
2323
Torgoal
2424
Zylindersupportcylinder Support
2525
Zylindersupportcylinder Support
2626
Anschlagflächestop surface
2727
Exzenter eccentric
2828
Exzenterachseeccentric
2929
Hebellever
29.129.1
ausgefahrene Positionextended position
3030
Kolbenstangepiston rod
30.130.1
ausgefahrene Positionextended position
3131
Stelleinheitactuator
3232
Widerlagerabutment

Claims (17)

  1. An apparatus for positioning and depositioning printing mechanism cylinders in rotary printing presses for printing a web of material in an upper printing mechanism (2) and a lower printing mechanism (3), which together form a printing unit (1), each of the printing mechanisms having a corresponding upper plate cylinder (4) and an upper transfer cylinder (5) or lower plate cylinder (7) and lower transfer cylinder (6) and one of the transfer cylinders (5, 6) being received in the rotary printing press in a stationary fashion,
    characterized in that a control unit (16, 17) for the plate cylinders (4, 7) of the printing unit (1) and an eccentric control unit (27, 29, 31) for one of the transfer cylinders (5, 6) are provided such that the contact of the printing mechanism cylinders (4, 5; 6, 7) in the lower and upper printing mechanism (2, 3) can be established without the transfer cylinders (5, 6) being in contact.
  2. The apparatus for positioning and depositioning printing mechanism cylinders of claim 1,
    characterized in that the lower one of the transfer cylinders (6) in the printing unit (1) is supported in stationary fashion.
  3. The apparatus for positioning and depositioning printing mechanism cylinders of claim 1,
    characterized in that the control unit (16, 17) moves the plate cylinders (4, 7) of the printing mechanisms (2, 3) into an inactive position away from the transfer cylinders (5, 6) of the printing mechanisms (2, 3).
  4. The apparatus for positioning and depositioning printing mechanism cylinders of claim 3,
    characterized in that the control unit (16, 17) is acted upon by pressure medium.
  5. The apparatus for positioning and depositioning printing mechanism cylinders of claim 4,
    characterized in that the pressure medium is compressed air.
  6. The apparatus for positioning and depositioning printing mechanism cylinders of claim 4,
    characterized in that the pressure medium is hydraulic fluid.
  7. The apparatus for positioning and depositioning printing mechanism cylinders of claim 3,
    characterized in that the control unit (16, 17) can be actuated by electric motor.
  8. The apparatus for positioning and depositioning printing mechanism cylinders of claim 1,
    characterized in that the adjustable transfer cylinder (5) can be put out of position away from the stationary transfer cylinder (6) by means of the eccentric control unit (27, 29, 31) in order to create a through opening (9).
  9. The apparatus for positioning and depositioning printing mechanism cylinders of claim 8,
    characterized in that the actuator (27) is actuatable by means of a step-up member (29) by the control unit (31).
  10. The apparatus for positioning and depositioning printing mechanism cylinders of claim 9,
    characterized in that the abutment (32) of the control unit (31) is received on a side wall of the printing unit (1).
  11. The apparatus for positioning and depositioning printing mechanism cylinders of claim 9,
    characterized in that the actuator (27) acts upon a stop face (26) of the cylinder support (24).
  12. The apparatus for positioning and depositioning printing mechanism cylinders of claim 9,
    characterized in that the control unit (31) is acted upon pneumatically.
  13. The apparatus for positioning and depositioning printing mechanism cylinders of claim 9,
    characterized in that the control unit (31) is acted upon hydraulically.
  14. The apparatus for positioning and depositioning printing mechanism cylinders of claim 1,
    characterized in that the transfer cylinders (5, 6) are provided with tubular, replaceable rubber blanket sleeves.
  15. The apparatus for positioning and depositioning printing mechanism cylinders of claim 1,
    characterized in that the operating-side bearing (22, 23) of the transfer cylinders (5, 6) is pivotable about a pivot axis (21) for providing accessibility laterally to the transfer cylinders (5, 6).
  16. The apparatus for positioning and depositioning printing mechanism cylinders of claim 1,
    characterized in that the disengageable transfer cylinder (5) is assigned an additional restraint unit (13, 14), which, when the gate (22) is pivoted out of the way, keeps this cylinder in the inactive position.
  17. The apparatus for positioning and depositioning printing mechanism cylinders of one or more of the preceding claims,
    characterized in that the control unit of the plate cylinder and the eccentric control unit of the transfer cylinder are actuated jointly.
EP99106224A 1998-05-13 1999-04-12 Device for adjusting printing cylinders in a printing unit of a rotary printing machine Expired - Lifetime EP0956951B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9806017A FR2778599B1 (en) 1998-05-13 1998-05-13 DEVICE FOR MOVING CYLINDERS OF PRINTING UNITS OF ROTARY PRINTING MACHINES
FR9806017 1998-05-13

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EP0956951A1 EP0956951A1 (en) 1999-11-17
EP0956951B1 true EP0956951B1 (en) 2003-07-23

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EP (1) EP0956951B1 (en)
JP (1) JPH11334028A (en)
CN (1) CN1098161C (en)
CZ (1) CZ293417B6 (en)
DE (2) DE59906327D1 (en)
FR (1) FR2778599B1 (en)
HK (1) HK1023750A1 (en)

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DE19642561C5 (en) * 1996-10-15 2004-12-30 Maschinenfabrik Wifag Protective device on printing machines

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7775159B2 (en) 2005-03-30 2010-08-17 Goss International Americas, Inc. Cantilevered blanket cylinder lifting mechanism
US7819057B2 (en) 2005-03-30 2010-10-26 Goss International Americas, Inc. Print unit having blanket cylinder throw-off bearer surfaces
US7849796B2 (en) 2005-03-30 2010-12-14 Goss International Americas, Inc Web offset printing press with articulated tucker
US8250976B2 (en) 2005-03-30 2012-08-28 Goss International Americas, Inc. Cantilevered blanket cylinder lifting mechanism
US8037818B2 (en) 2005-04-11 2011-10-18 Goss International Americas, Inc. Print unit with single motor drive permitting autoplating

Also Published As

Publication number Publication date
CZ74099A3 (en) 1999-12-15
DE59906327D1 (en) 2003-08-28
US6085651A (en) 2000-07-11
CN1235087A (en) 1999-11-17
CZ293417B6 (en) 2004-04-14
DE19916258A1 (en) 1999-11-18
FR2778599A1 (en) 1999-11-19
HK1023750A1 (en) 2000-09-22
JPH11334028A (en) 1999-12-07
CN1098161C (en) 2003-01-08
EP0956951A1 (en) 1999-11-17
FR2778599B1 (en) 2000-08-04

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