EP0739731B1 - Impression device for realising perforations or die-cuts on sheet printing presses - Google Patents

Impression device for realising perforations or die-cuts on sheet printing presses Download PDF

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Publication number
EP0739731B1
EP0739731B1 EP19950810445 EP95810445A EP0739731B1 EP 0739731 B1 EP0739731 B1 EP 0739731B1 EP 19950810445 EP19950810445 EP 19950810445 EP 95810445 A EP95810445 A EP 95810445A EP 0739731 B1 EP0739731 B1 EP 0739731B1
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EP
European Patent Office
Prior art keywords
cylinder
foil
die
blanket
counter
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Expired - Lifetime
Application number
EP19950810445
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German (de)
French (fr)
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EP0739731A1 (en
Inventor
Daniel Ruprecht
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PPP INTERNATIONAL AG
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PPP International AG
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Publication date
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Priority to EP19950810445 priority Critical patent/EP0739731B1/en
Publication of EP0739731A1 publication Critical patent/EP0739731A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41G—APPARATUS FOR BRONZE PRINTING, LINE PRINTING, OR FOR BORDERING OR EDGING SHEETS OR LIKE ARTICLES; AUXILIARY FOR PERFORATING IN CONJUNCTION WITH PRINTING
    • B41G7/00—Auxiliary perforating apparatus associated with printing devices

Definitions

  • the present invention relates to a back pressure device for performing perforations and / or Die cuts on offset sheet machines.
  • the one with the impression cylinder is also called impression cylinder - working together Blanket cylinder provided with a blanket and stands with a defined pressure against the pressure cylinder.
  • Blanket cylinder is also used to create perforations a perforated band while the rubber blanket is left unchanged on the blanket cylinder.
  • the blanket has the disadvantage of perforating that it due to its softness, no optimal perforation allowed and the throughput speed of the whole Printing unit and possibly other connected Printing units limited.
  • a coating unit for performing perforations and / or punching use in one embodiment, a stamped sheet the impression cylinder and a counter stamping plate on the painting cylinder be spanned, but without information from the Thickness of the sheets or substitution of the rubber blanket.
  • a back pressure device for performing Perforations and / or punchings on offset sheet machines specify that allows a higher throughput speed and better quality perforations and / or punching, also on painting units.
  • the metal foil has on its lower or Top of a bottom or overlay to a total thickness to give the corresponding thickness of the known, usual rubber blanket.
  • Fig. 1 shows schematically one of possibly several Printing units of an offset sheet-fed machine with a plate cylinder 1, a pressure cylinder 2 and one in between arranged blanket cylinder 3, on which instead of one Blanket a film 4 is stretched.
  • the printing unit but used for printing is on the blanket cylinder 3rd the usual rubber blanket stretched.
  • Fig. 1 you can also see the inking unit 6 with the different ink rollers, which the ink on the Transfer plate cylinder, as well as the dampening unit 7.
  • the Paper sheet 8 passes from the intermediate drum 9 to one first feed drum 10, from this onto the printing cylinder 2 and then on the second feed drum 11, from where the sheet may get onto another drum and, if provided, to another printing unit or to a painting unit 19.
  • Fig. 3 the plate cylinder 1, the impression cylinder 2nd and the blanket cylinder 3 on an enlarged scale in Cross section shown.
  • the plate cylinder 1 with the printing plate 12 clamped thereon is already known and each built differently depending on the machine type.
  • the embodiment is on the impression cylinder 2 Perforation tape 5 attached, as in previously known Printing units is known.
  • the perforation tape be longitudinal or transverse.
  • the blanket cylinder 3 is Covered according to the invention with the film 4, if one Perforation should be done.
  • the coating unit 19 for perforation and / or Punching is to be used on one Cylinder, the forme cylinder 17, the film 4 attached and on the other cylinder, the impression cylinder 18, the Perforation tape or the punch applied, where both cylinders 17 and 18 the same or similar Clamping device 16 with rail 13 as the aforementioned Have cylinders.
  • Dosing roller 20 and the paint roller 21 are shown, of course not when perforating or punching are in engagement with the forme cylinder 17.
  • Under the Dosing and paint application roller is a paint collecting tray indicated.
  • the coating unit 2 is in two opposite Strips 13, which are glued to the film and / or are riveted. If there are no perforations or punchings are to be carried out on the blanket cylinder 3 usual blanket stretched, and the perforation 5 taken away of course.
  • the elevator of the blanket cylinder has a standardized, the printed product adjusted thickness so that a certain Provision of pressure between the blanket cylinder and the cooperating printing cylinder is available so that the foil instead of the rubber blanket, under Consideration of the perforation tape or punching sheet, must have the same thickness. The same applies analogously for the coating unit.
  • a thin film of, for example, 0.3 mm is used and a pad 15 of 1.65 mm is attached under the film, to achieve a standard thickness of 1.95 mm.
  • This can Underlay different depending on the use
  • the base is preferably attached on one side only, as symbolized by the longer rivet 14 can but can also be attached to both sides or only to be attached to the film.
  • the film prove to be a relatively hard slide, for example Plastic, to be clamped on if necessary by a new foil can be replaced.
  • the Overall thickness be the same as that for the corresponding use, customary blanket.
  • the rails 13 are the same as those for the rubber blanket can be used so that the clamping device 16 the same or one on the blanket cylinder remains similar to the known one, so that at the Use of the film for perforating together with the possible under- and / or edition instead of for this certain use usual blanket no changes on Printing unit or coating unit must be made.
  • Metal e.g. Chrome steel, or another suitable metal or a suitable one Plastic are used.

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  • Printing Plates And Materials Therefor (AREA)

Description

Die vorliegende Erfindung bezieht sich auf eine Gegendruck-Vorrichtung für die Durchführung von Perforationen und/oder Stanzungen an Offset-Bogenmaschinen.The present invention relates to a back pressure device for performing perforations and / or Die cuts on offset sheet machines.

Bei Offset-Bogenmaschinen ist der mit dem Druckzylinder - auch Gegendruckzylinder genannt - zusammenarbeitende Gummituchzylinder mit einem Gummituch versehen und steht mit einem definierten Druck gegen den Druckzylinder. Zur Erzeugung von Perforationen wird der Druckzylinder mit einem Perforationsband bespannt, während das Gummituch unverändert auf dem Gummituchzylinder belassen wird. Das Gummituch hat jedoch beim Perforieren den Nachteil, dass es infolge seiner Weichheit keine optimale Perforation gestattet und die Durchlaufgeschwindigkeit des ganzen Druckwerkes und eventuell weiterer angeschlossener Druckwerke begrenzt. Ausserdem werden die Bögen durch das Gummituch beim Perforieren verformt, so dass nachher kein ganzer Stapel mehr aufgeschichtet werden kann. Dasselbe gilt sinngemäss beim Stanzen, d.h. das Gummituch ist dazu zu nachgiebig.In offset sheetfed presses, the one with the impression cylinder is also called impression cylinder - working together Blanket cylinder provided with a blanket and stands with a defined pressure against the pressure cylinder. For The impression cylinder is also used to create perforations a perforated band while the rubber blanket is left unchanged on the blanket cylinder. The However, the blanket has the disadvantage of perforating that it due to its softness, no optimal perforation allowed and the throughput speed of the whole Printing unit and possibly other connected Printing units limited. In addition, the bows through the Rubber blanket deformed during perforation, so that afterwards none whole stack can be stacked more. The same thing applies analogously to punching, i.e. the rubber blanket is included too compliant.

Es hat sich ausserdem gezeigt, dass für das Durchführen von Perforationen und/oder Stanzungen oft kein Druckwerk frei ist, so dass mit dessen Durchführung zugewartet werden muss. Es ist daher wünschenswert, bei Offset-Bogenmaschinen mit Zusatzeinheiten, beispielsweise Lackierwerke, auf diese auszuweichen und für die Durchführung von Perforationen und/oder Stanzungen zu verwenden. It has also been shown that for performing Perforations and / or punching often no printing unit free is, so wait until its implementation got to. It is therefore desirable in offset sheetfed machines with additional units, for example coating units, on these evade and perform perforations and / or die cuts.

Aus der DE-A-41 38 278 ist es bekannt, ein Lackierwerk für das Durchführen von Perforationen und/oder Stanzungen zu verwenden, wobei in einer Ausführungsform ein Stanzblech auf dem Druckzylinder und ein Gegenstanzblech auf dem Lackierzylinder aufgespannt werden, jedoch ohne Angaben von den Dicken der Bleche oder Substituierung des Gummituches.From DE-A-41 38 278 it is known a coating unit for performing perforations and / or punching use, in one embodiment, a stamped sheet the impression cylinder and a counter stamping plate on the painting cylinder be spanned, but without information from the Thickness of the sheets or substitution of the rubber blanket.

Es ist davon ausgehend Aufgabe der vorliegenden Erfindung eine Gegendruckvorrichtung für die Durchführung von Perforationen und/oder Stanzungen an Offset-Bogenmaschinen anzugeben, die es gestattet, eine höhere Durchlaufgeschwindigkeit und eine bessere Qualität der Perforationen und/oder Stanzungen, auch an Lackierwerken, zu erzielen. Based on this, it is the object of the present invention a back pressure device for performing Perforations and / or punchings on offset sheet machines specify that allows a higher throughput speed and better quality perforations and / or punching, also on painting units.

Diese Aufgabe wird mit der Gegendruckvorrichtung gemäss Patentanspruch 1 gelöst.This task is accomplished with the back pressure device Claim 1 solved.

Sogenannte Perforationsbleche wurden früher im Buchdruck verwendet, doch wurden diese alten Buchdruckmaschinen durch die Offset-Bogenmaschinen technisch überholt und die dort verwendeten Perforationsbleche durch das Gummituch ersetzt.So-called perforated sheets were formerly used in letterpress printing used, but these old letterpress machines were through the sheetfed offset machines technically overhauled and those there used perforated sheets replaced by the rubber blanket.

Die Metallfolie weist an ihrer Unter- oder Oberseite eine Unter- bzw. Auflage auf, um eine Gesamtdicke zu ergeben, die der entsprechenden Dicke des vorbekannten, üblichen Gummituchs entspricht.The metal foil has on its lower or Top of a bottom or overlay to a total thickness to give the corresponding thickness of the known, usual rubber blanket.

Die Erfindung wird im folgenden anhand einer Zeichnung eines Ausführungsbeispiels näher erläutert.

Fig. 1
zeigt schematisch eine Anordnung eines Druck- und Lackierwerks einer Offset-Bogenmaschine,
Fig. 2
zeigt einen Schnitt durch die mit Leisten versehene Folie gemäss der Erfindung und
Fig. 3
zeigt ein Detail von Fig. 1 in einem grösseren Massstab.
The invention is explained below with reference to a drawing of an embodiment.
Fig. 1
shows schematically an arrangement of a printing and coating unit of an offset sheet machine,
Fig. 2
shows a section through the strip provided with strips according to the invention and
Fig. 3
shows a detail of Fig. 1 on a larger scale.

Fig. 1 zeigt schematisch eines von gegebenenfalls mehreren Druckwerken einer Offset-Bogenmaschine mit einem Plattenzylinder 1, einem Druckzylinder 2 und einem dazwischen angeordneten Gummituchzylinder 3, auf welchem anstatt eines Gummituchs eine Folie 4 aufgespannt ist. Wird das Druckwerk jedoch zum Drucken benutzt, ist auf dem Gummituchzylinder 3 das übliche Gummituch aufgespannt. Für das Perforieren wird auf den Druckzylinder 2 ein Perforationsband 5, siehe Fig. 3, aufgespannt, dessen Zähne in Richtung Gummituchzylinder 3 ausgerichtet sind, um das dazwischen gelangende Papier zu perforieren. Für das Stanzen werden dazu geeignete Mittel aufgebracht.Fig. 1 shows schematically one of possibly several Printing units of an offset sheet-fed machine with a plate cylinder 1, a pressure cylinder 2 and one in between arranged blanket cylinder 3, on which instead of one Blanket a film 4 is stretched. Will the printing unit but used for printing is on the blanket cylinder 3rd the usual rubber blanket stretched. For perforating a perforation band 5 on the impression cylinder 2, see FIG. 3, stretched, its teeth towards the blanket cylinder 3 are aligned to the paper in between perforate. Suitable means are used for punching upset.

Die Verwendung einer Folie, z.B. aus Chromstahl, als Gegendruckmittel, ergibt nicht nur eine bessere, saubere Perforation oder Stanzung des Papiers sondern ermöglicht vor allem auch, die normale Druckgeschwindigkeit bei Offset-Bogenmaschinen beizubehalten, so dass das Bedrucken und das Perforieren oder Stanzen mit gleicher Geschwindigkeit erfolgen kann. Dies war vorher mit der Verwendung von Gummitüchern nicht möglich, da diese beim Perforieren oder Stanzen keine so hohen Geschwindigkeiten erlauben und somit die Geschwindigkeit bei diesem Arbeitsgang reduziert werden musste.The use of a film, e.g. made of chrome steel, as Back pressure means not only gives a better, cleaner Perforation or punching of the paper instead allows above all, the normal printing speed at To maintain offset sheetfed machines so that printing and perforating or punching with the same Speed can take place. This was previously with the The use of rubber blankets is not possible as Perforating or punching are not such high speeds allow and thus the speed at this Work had to be reduced.

In Fig. 1 erkennt man ausserdem das Farbwerk 6 mit den verschiedenen Farbwalzen, die die Druckfarbe auf den Plattenzylinder übertragen, sowie das Feuchtwerk 7. Der Papierbogen 8 gelangt von der Zwischentrommel 9 auf eine erste Anlegetrommel 10, von dieser auf den Druckzylinder 2 und anschliessend auf die zweite Anlegetrommel 11, von wo der Bogen gegebenenfalls auf eine weitere Trommel gelangt und, falls vorgesehen, auf ein weiteres Druckwerk oder zu einer Lackiereinheit 19.In Fig. 1 you can also see the inking unit 6 with the different ink rollers, which the ink on the Transfer plate cylinder, as well as the dampening unit 7. The Paper sheet 8 passes from the intermediate drum 9 to one first feed drum 10, from this onto the printing cylinder 2 and then on the second feed drum 11, from where the sheet may get onto another drum and, if provided, to another printing unit or to a painting unit 19.

In Fig. 3 sind der Plattenzylinder 1, der Druckzylinder 2 sowie der Gummituchzylinder 3 in vergrössertem Massstab im Querschnitt dargestellt. Der Plattenzylinder 1 mit der darauf aufgespannten Druckplatte 12 ist vorbekannt und je nach Maschinentyp unterschiedlich gebaut. In diesem Ausführungsbeispiel ist auf dem Druckzylinder 2 das Perforationsband 5 befestigt, wie dies bei vorbekannten Druckwerken bekannt ist. Dabei kann das Perforationsband längs oder quergespannt sein. Der Gummituchzylinder 3 ist erfindungsgemäss mit der Folie 4 bespannt, falls eine Perforation durchgeführt werden soll.In Fig. 3, the plate cylinder 1, the impression cylinder 2nd and the blanket cylinder 3 on an enlarged scale in Cross section shown. The plate cylinder 1 with the printing plate 12 clamped thereon is already known and each built differently depending on the machine type. In this The embodiment is on the impression cylinder 2 Perforation tape 5 attached, as in previously known Printing units is known. The perforation tape be longitudinal or transverse. The blanket cylinder 3 is Covered according to the invention with the film 4, if one Perforation should be done.

Falls die Lackiereinheit 19 für die Perforation und/oder Stanzung verwendet werden soll, wird auf dem einen Zylinder, der Formzylinder 17, die Folie 4 befestigt und auf dem anderen Zylinder, der Druckzylinder 18, das Perforationsband oder die Stanzmittel aufgebracht, wobei beide Zylinder 17 und 18 die gleiche oder ähnliche Aufspann-Einrichtung 16 mit Schiene 13 wie die vorgenannten Zylinder aufweisen. Beim Lackierwerk 19 sind ferner die Dosierwalze 20 und die Lackauftragwalze 21 eingezeichnet, die beim Perforieren oder Stanzen selbstverständlich nicht im Eingriff mit dem Formzylinder 17 stehen. Unter der Dosier- und Lackauftragwalze ist eine Lackauffangwanne angedeutet.If the coating unit 19 for perforation and / or Punching is to be used on one Cylinder, the forme cylinder 17, the film 4 attached and on the other cylinder, the impression cylinder 18, the Perforation tape or the punch applied, where both cylinders 17 and 18 the same or similar Clamping device 16 with rail 13 as the aforementioned Have cylinders. In the coating unit 19 are also Dosing roller 20 and the paint roller 21 are shown, of course not when perforating or punching are in engagement with the forme cylinder 17. Under the Dosing and paint application roller is a paint collecting tray indicated.

Die Folie 4 gemäss Fig. 2 ist in zwei gegenüber liegenden Leisten 13 gefasst, die mit der Folie verklebt und/oder vernietet sind. Falls keine Perforationen oder Stanzungen durchzuführen sind, wird auf dem Gummituchzylinder 3 ein übliches Gummituch aufgespannt, und das Perforationsband 5 selbstverständlich weggenommen. Der Aufzug des Gummituchzylinders weist eine genormte, dem Druckerzeugnis angepasste Dicke auf, so dass eine bestimmte Druckbeistellung zwischen dem Gummituchzylinder und dem damit kooperierenden Druckzylinder vorhanden ist, so dass die anstelle des Gummituchs tretende Folie, unter Berücksichtigung des Perforationsbandes oder Stanzbleches, die gleiche Dicke aufweisen muss. Dasselbe gilt sinngemäss für das Lackierwerk. 2 is in two opposite Strips 13, which are glued to the film and / or are riveted. If there are no perforations or punchings are to be carried out on the blanket cylinder 3 usual blanket stretched, and the perforation 5 taken away of course. The elevator of the blanket cylinder has a standardized, the printed product adjusted thickness so that a certain Provision of pressure between the blanket cylinder and the cooperating printing cylinder is available so that the foil instead of the rubber blanket, under Consideration of the perforation tape or punching sheet, must have the same thickness. The same applies analogously for the coating unit.

Da eine so dicke Folie nicht erforderlich ist und sich überdies nur schwer auf den Zylinder spannen lässt, wird eine dünne Folie von beispielsweise 0,3 mm verwendet und eine Unterlage 15 von 1,65 mm unter die Folie angebracht, um eine Normdicke von 1,95 mm zu erzielen. Dabei kann diese Unterlage je nach Verwendung eine unterschiedliche Steifigkeit aufweisen und z. B. eine Pressspanplatte sein. Vorzugsweise wird die Unterlage nur einseitig befestigt, wie dies durch die längere Niete 14 symbolisiert ist, kann jedoch auch an beiden Seiten befestigt werden oder nur an der Folie angebracht sein.Because such a thick film is not necessary and itself moreover, it is difficult to clamp onto the cylinder a thin film of, for example, 0.3 mm is used and a pad 15 of 1.65 mm is attached under the film, to achieve a standard thickness of 1.95 mm. This can Underlay different depending on the use Have rigidity and z. B. be a particle board. The base is preferably attached on one side only, as symbolized by the longer rivet 14 can but can also be attached to both sides or only to be attached to the film.

Zum Schonen der Folie kann es sich als zweckmässig erweisen, eine relativ harte Folie, beispielsweise aus Kunststoff, darauf zu spannen, die bei Bedarf durch eine neue Folie ersetzt werden kann. Selbstverständlich muss die Gesamtdicke dieselbe sein wie diejenige des für den bestimmten Einsatz entsprechenden, üblichen Gummituchs.It can be useful to protect the film prove to be a relatively hard slide, for example Plastic, to be clamped on if necessary by a new foil can be replaced. Of course, the Overall thickness be the same as that for the corresponding use, customary blanket.

Die Schienen 13 sind die gleichen wie diejenigen, die für das Gummituch verwendet werden, so dass die Aufspann-Einrichtung 16 auf dem Gummituchzylinder dieselbe oder eine ähnliche wie die vorbekannte bleibt, so dass bei der Verwendung der Folie für das Perforieren mitsamt der eventuellen Unter- und/oder Auflage anstatt des für diesen bestimmten Einsatz üblichen Gummituchs keine Aenderungen am Druckwerk oder Lackiereinheit vorgenommen werden müssen.The rails 13 are the same as those for the rubber blanket can be used so that the clamping device 16 the same or one on the blanket cylinder remains similar to the known one, so that at the Use of the film for perforating together with the possible under- and / or edition instead of for this certain use usual blanket no changes on Printing unit or coating unit must be made.

Als Material für die Folie 4 kann Metall, z.B. Chromstahl, oder auch ein anderes geeignetes Metall oder ein geeigneter Kunststoff verwendet werden.Metal, e.g. Chrome steel, or another suitable metal or a suitable one Plastic are used.

Es ist noch darauf hinzuweisen, dass ausser den bereits genannten Vorteilen, ein weiterer Vorteil darin besteht, dass bei der Perforation oder Stanzung mit der Folie die Bögen nicht verformt werden, so dass der gesamte Stapel wie vor der Bearbeitung gestapelt werden kann und dessen Wegtransport damit erheblich erleichtert wird, im Gegensatz zu den stark verformten Bögen nach der Perforation mittels Gummituchbezug. Dadurch ist es auch möglich, die Folie, oft auch Perforationsblech genannt, für das Stanzen verschiedenster Muster, z. B. von Adressfeldern und dergleichen zu verwenden.It should be noted that besides those already advantages mentioned, another advantage is that when perforating or punching with the film, the Sheets are not deformed, so the entire stack like can be stacked before processing and its In contrast, transport away is made considerably easier to the strongly deformed arches after perforation using Blanket cover. This also makes it possible to slide the film, often also called perforated sheet for punching various patterns, e.g. B. of address fields and to use the like.

Claims (6)

  1. Counter-pressure device for performing perforation and/or die-cutting operations on offset sheet printing machines, comprising a foil (4) provided with respective strips (13) at two opposite edges in order to be affixed instead of a rubber blanket to a fastening device (16) on the rubber blanket cylinder (3) of a printing unit or on a forme cylinder (17) of a coating unit (19), the underside of the foil (4) comprising an underlying blanket (15), the thickness of the foil and of the underlying blanket corresponding to the thickness of the rubber blanket used for the same application.
  2. Counter-pressure device according to claim 1, characterised in that the foil (4) is made of metal, preferably of chrome steel, or of a synthetic material.
  3. Counter-pressure device according to claim 1, characterised in that the underlying blanket (15) is a pressboard plate.
  4. Counter-pressure device according to any one of claims 1 to 3, characterised in that the upper side of the foil (4) is provided with a removable foil, preferably of a synthetic material, the total thickness of the foil along with the cover layer and/or the underlying blanket corresponding to the thickness of the rubber blanket used for the same application.
  5. Application of the counter-pressure device according to any one of claims 1 to 4 for perforations and/or die-cutting operations in a printing unit comprising a plate cylinder (1), an impression cylinder (2) provided with perforation means (5) or die-cutting means, and a rubber blanket cylinder disposed between these two cylinders and cooperating with the impression cylinder (2), the rubber blanket cylinder (3) being provided with the foil (4) while the impression cylinder (2) is provided with a perforating band (5) or with die-cutting means.
  6. Application of the counter-pressure device according to any one of claims 1 to 4 for perforations and/or die-cutting operations in a coating unit (19) comprising an impression cylinder (18) and a forme cylinder (17), the impression cylinder (18) being provided with the perforating band (5) or with die-cutting means while the forme cylinder (17) is provided with the foil (4).
EP19950810445 1995-04-25 1995-07-06 Impression device for realising perforations or die-cuts on sheet printing presses Expired - Lifetime EP0739731B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19950810445 EP0739731B1 (en) 1995-04-25 1995-07-06 Impression device for realising perforations or die-cuts on sheet printing presses

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP95810275 1995-04-25
EP95810275 1995-04-25
EP19950810445 EP0739731B1 (en) 1995-04-25 1995-07-06 Impression device for realising perforations or die-cuts on sheet printing presses

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Publication Number Publication Date
EP0739731A1 EP0739731A1 (en) 1996-10-30
EP0739731B1 true EP0739731B1 (en) 2001-11-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007026409A1 (en) 2007-06-06 2008-12-11 OCé PRINTING SYSTEMS GMBH Method and device for perforating and / or separating carrier material
CN101310978B (en) * 2007-01-25 2011-04-20 小森公司 Switch-over processing method and apparatus

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69703783T2 (en) * 1996-10-28 2001-04-19 Hans E Ruprecht Holding Ag Kra Device on a printing machine for perforating, punching, cutting, creasing and partial painting or for printing envelopes
US6460441B1 (en) * 1997-05-29 2002-10-08 Moore North America, Inc. On-demand skip perforating
DE10151026B4 (en) * 2000-11-10 2011-02-03 Heidelberger Druckmaschinen Ag Device for contouring a printing substrate in a printing machine
WO2011141041A1 (en) * 2010-05-14 2011-11-17 Cito-System Gmbh Device for perforating and/or fluting and/or punching for rotary printing presses

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4138278C2 (en) * 1991-11-21 1997-01-30 Kba Planeta Ag Punching, creasing and perforating device for sheet-fed printing machines
FR2710291B1 (en) * 1993-09-24 1995-11-17 Walter Fruttiger Method and device for protecting the blanket of an offset machine when using perforating nets, cutting nets or the like.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101310978B (en) * 2007-01-25 2011-04-20 小森公司 Switch-over processing method and apparatus
DE102007026409A1 (en) 2007-06-06 2008-12-11 OCé PRINTING SYSTEMS GMBH Method and device for perforating and / or separating carrier material

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