EP0554542B1 - Offset printing element - Google Patents
Offset printing element Download PDFInfo
- Publication number
- EP0554542B1 EP0554542B1 EP92120894A EP92120894A EP0554542B1 EP 0554542 B1 EP0554542 B1 EP 0554542B1 EP 92120894 A EP92120894 A EP 92120894A EP 92120894 A EP92120894 A EP 92120894A EP 0554542 B1 EP0554542 B1 EP 0554542B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- forme
- printing forme
- register
- offset printing
- 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
Links
Images
Classifications
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- 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
- B41N1/00—Printing plates or foils; Materials therefor
- B41N1/16—Curved printing plates, especially cylinders
- B41N1/20—Curved printing plates, especially cylinders made of metal or similar inorganic compounds, e.g. plasma coated ceramics, carbides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F27/00—Devices for attaching printing elements or formes to supports
- B41F27/005—Attaching and registering printing formes to supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F27/00—Devices for attaching printing elements or formes to supports
- B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F27/00—Devices for attaching printing elements or formes to supports
- B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
- B41F27/1212—Devices for attaching printing elements or formes to supports for attaching flexible printing formes using pneumatic force
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S101/00—Printing
- Y10S101/36—Means for registering or alignment of print plates on print press structure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49544—Roller making
- Y10T29/49547—Assembling preformed components
- Y10T29/49558—Includes securing removable cover on roller
Definitions
- the invention relates to an offset printing form made of a metallic material for a forme cylinder of a printing press and a method for producing such an offset printing form.
- the most common forms of printing in offset printing are the pre-coated aluminum plates, the great advantage of which is the simplicity and speed of manufacture, or the multi-metal plates, which mostly consist of three metals (trimetal), aluminum or steel sheet being generally used as the carrier metal. These types are particularly suitable for larger print runs and high loads. In addition, their good surface properties can be significantly improved by additional anodization.
- this printing form has fitting holes for the dowel pins of a clamping device of the printing form cylinder on two opposite edges.
- the printing form is centered on the dowel pins and hooked into a cylinder channel with the leading edge, which was previously bent over.
- the end of the printing form is also inserted into the cylinder channel so that the printing form can be clamped.
- This requires a channel across the cylinder width and clamping segments that extend through the cylinder in the channel.
- the printing forms begin and end in this area. This interruption of the printing form means that endless images cannot be produced.
- the printing speed is limited due to vibration loads of the cylinder through the channel and the clamping device. This vibration exposure also affects print quality.
- GB-A-578 777 discloses a printing form in which the mutually facing, folded plate edges are welded to one another on the cylinder, but are otherwise designed for gravure printing.
- the object of the present invention is to improve the print quality achieved by a generic printing form by eliminating the above-mentioned vibration load and at the same time allowing a higher rotational speed of the printing form cylinder.
- This offset printing form produced by the method according to the invention can be used in conjunction with a forme cylinder without a channel and clamping segment, which is known, for example, from German patent step DE-PS 27 00 118.
- the offset printing form can be pushed onto the form cylinder using compressed air. In the working position, it is displaceable on the forme cylinder, yet it can be easily removed from it without destroying it and can therefore be reused.
- the use of conventional printing form clamping devices, the channel and clamping segments are no longer necessary and can thus be saved. Only register devices are required to apply the printing form in accordance with the register.
- Known devices such as markings on the surface of the forme cylinder, which are brought into line with markings on the thin offset printing form, or register pins of the form cylinder, into which the printing form can be hung in register, can also be used here.
- commercially available offset printing plates can be used and previous plate copies can be used unchanged. The channelless printing enables cost-effective cylinder production, an improvement in print quality and higher printing speeds.
- a thin offset printing form 1 with a thickness s of approximately 0.3 mm is formed from a metallic material to form a sleeve with a diameter d of approximately 300 mm and a width l of approximately 1,600 mm.
- the material can be aluminum or a multi-metal or tri-metal.
- the beginning and end of offset printing form 1 are longitudinally welded together.
- the weld seam 2 preferably has a width b of approximately 0.7 mm.
- the weld seam 2 has a concave shape on its top and bottom, so that it is not noticeable on the print.
- Printing form 1 thus has a coherent, channel-free outer surface.
- the printing form 1 On one end face 3 (FIG. 3), the printing form 1 is provided with register devices in the form of fitting bores 4, which cooperate with register pins on the surface of the forme cylinder.
- register devices On one end face 3 (FIG. 3), the printing form 1 is provided with register devices in the form of fitting bores 4, which cooperate with register pins on the surface of the forme cylinder.
- the production process for printing form 1 comprises the following steps.
- a plate is cut to the size corresponding to the circumference and the width of the forme cylinder.
- At least one end face 3 or 5 is provided with register devices 4, 6 by means of a plate punch.
- the plate-shaped blank is clamped in register in the form of a sleeve in a welding device and the beginning and end of the printing form 1 are welded lengthwise. This is preferably done using a neodymium-YAG laser.
- the regulation of the laser power and the possibility of a continuous and pulsed operating mode allow a controlled and exactly reproducible energy influence on the printing form 1. Heat load and warpage of the weld metal are extremely low in comparison with other thermal processes.
- the welding process is carried out in such a way that a weld seam 2 is formed which has a concave shape on the top and bottom.
- the sleeve-shaped printing forme 1 is then pushed onto the forme cylinder while expanding by means of compressed air.
- the removal of the compressed air causes the printing form to adhere positively to the forme cylinder.
- the coating and exposure of the printing form 1 can be carried out on the one hand before the beginning and end of the printing form 1 outside the printing press by photochemical means, and on the other hand after the sleeve-shaped printing form 1 has been pushed on by coating and exposing the printing form on the form cylinder all around.
- the principle of the invention is therefore to form a commercially available pressure plate made of a metallic material for the purpose of channelless printing into a sleeve, which frictionally and register-wise in the working position, but releasably and reusably encased the forme cylinder and thus has a coherent channel-free outer surface.
- the invention is not limited to a printing form which is formed into a sleeve by means of a weld seam. It is also conceivable to establish the connection between the beginning and end of the printing form by means of an adhesive bond, for example the beginning of the printing form being glued to half of a longitudinal saddle, the end of the printing form glued to the other half of the longitudinal saddle and the joints from the beginning and end are additionally glued. Then the sleeve-shaped printing form together with the saddle is pushed onto the forme cylinder.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Printing Plates And Materials Therefor (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Description
Die Erfindung betrifft eine Offset-Druckform aus einem metallischen Werkstoff für einen Formzylinder einer Druckmaschine und ein Verfahren zur Herstellung einer solchen Offset-Druckform.The invention relates to an offset printing form made of a metallic material for a forme cylinder of a printing press and a method for producing such an offset printing form.
Die im Offsetdruck am meisten verwendeten Druckformarten sind die vorbeschichteten Aluminiumplatten, deren großer Vorteil die Einfachheit und Schnelligkeit der Herstellung ist, oder die Mehrmetallplatten, die meistens aus drei Metallen (Trimetall) bestehen, wobei im allgemeinen Aluminium oder Stahlblech als Trägermetall verwendet wird. Diese Arten eignen sich im besonderen Maße für höhere Auflagenbereiche und große Beanspruchung. Außerdem lassen sich ihre guten Oberflächeneigenschaften durch eine zusätzliche Anodisierung noch erheblich verbessern.The most common forms of printing in offset printing are the pre-coated aluminum plates, the great advantage of which is the simplicity and speed of manufacture, or the multi-metal plates, which mostly consist of three metals (trimetal), aluminum or steel sheet being generally used as the carrier metal. These types are particularly suitable for larger print runs and high loads. In addition, their good surface properties can be significantly improved by additional anodization.
In der Regel weist diese Druckform an zwei gegenüberliegenden Kanten Paßbohrungen für die Paßstifte einer Einspannvorrichtung des Druckformzylinders auf. Die Druckform wird auf den Paßstiften zentriert und mit der vorlaufenden Kante, die vorher umgebogen wurde, in einen Zylinderkanal eingehängt. Auch das Druckformende wird in den Zylinderkanal eingeschoben, so daß die Druckform eingespannt werden kann. Dazu werden ein Kanal über die Zylinderbreite und Spannsegmente, die sich im Kanal durch den Zylinder erstrecken, benötigt. In diesem Bereich beginnen und enden die Druckformen. Durch diese Druckformunterbrechung können endlose Bilder nicht hergestellt werden. Darüber hinaus ist aufgrund von Schwingungsbelastungen des Zylinders durch den Kanal und die Einspannvorrichtung die Druckgeschwindigkeit begrenzt. Diese Schwingungsbelastung beeinträchtigt auch die Druckqualität.As a rule, this printing form has fitting holes for the dowel pins of a clamping device of the printing form cylinder on two opposite edges. The printing form is centered on the dowel pins and hooked into a cylinder channel with the leading edge, which was previously bent over. The end of the printing form is also inserted into the cylinder channel so that the printing form can be clamped. This requires a channel across the cylinder width and clamping segments that extend through the cylinder in the channel. The printing forms begin and end in this area. This interruption of the printing form means that endless images cannot be produced. In addition, the printing speed is limited due to vibration loads of the cylinder through the channel and the clamping device. This vibration exposure also affects print quality.
Die GB-A-578 777 offenbart eine Druckform, bei der die aufeinander zuweisenden, abgekanteten Plattenkanten auf dem Zylinder miteinander verschweißt sind, die jedoch ansonsten für den Tiefdruck konzipiert sind.GB-A-578 777 discloses a printing form in which the mutually facing, folded plate edges are welded to one another on the cylinder, but are otherwise designed for gravure printing.
Aufgabe der vorliegenden Erfindung ist es, die von einer gattungsbildenden Druckform erreichte Druckqualität zu verbessern, indem die oben genannte Schwingungsbelastung beseitigt wird und gleichzeitig eine höhere Umlaufgeschwindigkeit des Druckformzylinders zu ermöglichen.The object of the present invention is to improve the print quality achieved by a generic printing form by eliminating the above-mentioned vibration load and at the same time allowing a higher rotational speed of the printing form cylinder.
Diese Aufgabe wird bei der gattungsbildenden Druckform aus einem metallischen Werkstoff durch die Merkmale des Anspruchs 1 und den Verfahrensschritten zur Herstellung der Ansprüche 8, 9 und 12 gelöst.This object is achieved in the generic printing form made of a metallic material by the features of
Diese durch das erfindungsgemäße Verfahren hergestellte Offset-Druckform ist in Verbindung mit einem kanal- und spannsegmentlosen Formzylinder, der zum Beispiel aus der deutschen Patentschritt DE-PS 27 00 118 bekannt ist, einsetzbar. Die Offset-Druckform ist unter Ausnutzung von Druckluft auf den Formzylinder aufschiebbar. In der Arbeitsstellung verschiebefest auf dem Formzylinder ist sie dennoch leicht zerstörungsfrei von diesem lösbar und somit wiederverwendbar. Die Verwendung herkömmlicher Druckformklemmeinrichtungen, die Kanal- und Spannsegmente sind nicht mehr erforderlich und können somit eingespart werden. Es sind lediglich nur noch Registereinrichtungen zum registergerechten Aufbringen der Druckform erforderlich. Auch hier kann auf bekannte Einrichtungen, wie zum Beispiel Markierungen auf der Formzylinderoberfläche, die mit Markierungen auf der dünnen Offset-Druckform in Übereinstimmung gebracht werden, oder in vorteilhafter Weise Registerstifte des Formzylinders, in die die Druckform registerhaltig einhangbar ist, zurückgegriffen werden. Außerdem können handelsübliche Offset-Druckplatten verwendet werden und bisherige Plattenkopien unverändert weiterverwendet werden. Der kanallose Druck erlaubt eine kostengünstige Zylinderfertigung, eine Verbesserung der Druckqualität und höhere Druckgeschwindigkeiten.This offset printing form produced by the method according to the invention can be used in conjunction with a forme cylinder without a channel and clamping segment, which is known, for example, from German patent step DE-PS 27 00 118. The offset printing form can be pushed onto the form cylinder using compressed air. In the working position, it is displaceable on the forme cylinder, yet it can be easily removed from it without destroying it and can therefore be reused. The use of conventional printing form clamping devices, the channel and clamping segments are no longer necessary and can thus be saved. Only register devices are required to apply the printing form in accordance with the register. Known devices, such as markings on the surface of the forme cylinder, which are brought into line with markings on the thin offset printing form, or register pins of the form cylinder, into which the printing form can be hung in register, can also be used here. In addition, commercially available offset printing plates can be used and previous plate copies can be used unchanged. The channelless printing enables cost-effective cylinder production, an improvement in print quality and higher printing speeds.
Im folgenden ist ein Ausführungsbeispiel anhand der Zeichnung beschrieben. Es zeigt stark schematisiert
- Fig. 1
- eine perspektivische Ansicht einer hülsenförmigen Offset-Druckform;
- Fig. 2
- eine Detailansicht eines Querschnittes der Offset-Druckform gemäß Fig. 1 mit einer Schweißnaht;
- Fig. 3
- eine Offset-Druckform mit einer ersten Registereinrichtung;
- Fig. 4
- eine Offset-Druckform mit einer zweiten Registereinrichtung.
- Fig. 1
- a perspective view of a sleeve-shaped offset printing form;
- Fig. 2
- a detailed view of a cross section of the offset printing form according to Figure 1 with a weld.
- Fig. 3
- an offset printing form with a first register device;
- Fig. 4
- an offset printing form with a second register device.
In Fig. 1 ist eine dünne Offset-Druckform 1 mit einer Dicke s von ca. 0,3 mm aus einem metallischen Werkstoff zu einer Hülse mit einem Durchmesser d von ca. 300 mm und einer Breite l von ca. 1.600 mm geformt. Der Werkstoff kann Aluminium oder ein Mehrmetall, beziehungsweise Trimetall sein. Anfang und Ende der Offset-Druckform 1 sind miteinander längsverschweißt. Die Schweißnaht 2 weist vorzugsweise eine Breite b von ca. 0,7 mm auf.In Fig. 1, a thin
Wie Fig. 2 zeigt, weist die Schweißnaht 2 an ihrer Ober- und Unterseite eine konkave Form auf, so daß sie sich auf dem Druck nicht bemerkbar macht. Die Druckform 1 verfügt somit über eine zusammenhängende kanalfreie Außenfläche. An einer Stirnseite 3 (Fig. 3) ist die Druckform 1 mit Registereinrichtungen in Form von Paßbohrungen 4 versehen, die mit Registerstiften auf der Formzylinderoberfläche zusammenwirken. Wie Fig. 4 zeigt ist es auch denkbar, an beiden Stirnseiten 3, 5 Ausnehmungen 6 vorzusehen, die ebenfalls mit Registerstiften auf der Formzylinderoberfläche zusammenwirken.As shown in FIG. 2, the
Das Herstellungsverfahren der erfindungsgemäßen Druckform 1 umfaßt folgende Schritte. Eine Platte wird auf das dem Umfang und der Breite des Formzylinders entsprechende Maß zugeschnitten. Mindestens eine Stirnseite 3 oder 5 wird mit Registereinrichtungen 4, 6 mittels einer Plattenstanze versehen. Der plattenförmige Zuschnitt wird registerhaltig in Form einer Hülse in eine Schweißvorrichtung eingespannt und Anfang und Ende der Druckform 1 längsverschweißt. Dies wird vorzugsweise mittels eines Neodym-YAG-Lasers vorgenommen. Die Regelung der Laserleistung und die Möglichkeit zur kontinuierlichen und gepulsten Betriebsform erlauben eine kontrollierte und exakt reproduzierbare Energieeinwirkung auf die Druckform 1. Wärmebelastung und Verzug des Schweißgutes sind im Vergleich mit anderen thermischen Verfahren äußerst gering. Der Schweißprozeß wird so geführt, daß eine Schweißnaht 2 entsteht, die an der Ober- und Unterseite eine konkave Form aufweist. Die hülsenförmige Druckform 1 wird anschließend unter Aufweiten mittels Druckluft auf den Formzylinder aufgeschoben. Die Wegnahme der Druckluft bewirkt eine formschlüssige Anhaftung der Druckform auf den Formzylinder. Das Beschichten und Belichten der Druckform 1 kann einerseits vor dem Verbinden von Anfang und Ende der Druckform 1 außerhalb der Druckmaschine auf fotochemischem Wege, andererseits nach dem Aufschieben der hülsenförmigen Druckform 1, indem die Druckform auf dem Formzylinder rundum beschichtet und belichtet wird, vorgenommen werden.The production process for
Das Prinzip der Erfindung besteht also darin, eine handelsübliche Druckplatte aus einem metallischen Werkstoff zum Zwecke eines kanallosen Druckes zu einer Hülse zu formen, die reibschlüssig und registerhaltig in der Arbeitsstellung, jedoch lösbar und wiederverwendbar den Formzylinder ummantelt und so über eine zusammenhängende kanalfreie Außenfläche verfügt. So ist die Erfindung nicht allein auf eine mittels einer Schweißnaht zu einer Hülse geformten Druckform beschränkt. Es ist auch denkbar die Verbindung von Anfang und Ende der Druckform mittels einer Verklebung herzustellen, wobei z.B. der Anfang der Druckform auf eine Hälfte eines längsverlaufenden Sattels geklebt wird, das Ende der Druckform auf die andere Hälfte des längs verlaufenden Sattels geklebt und zusätzlich die Stoßstellen von Anfang und Ende zusätzlich verklebt werden. Anschließend wird die hülsenförmige Druckform mitsamt dem Sattel auf den Formzylinder geschoben.The principle of the invention is therefore to form a commercially available pressure plate made of a metallic material for the purpose of channelless printing into a sleeve, which frictionally and register-wise in the working position, but releasably and reusably encased the forme cylinder and thus has a coherent channel-free outer surface. Thus, the invention is not limited to a printing form which is formed into a sleeve by means of a weld seam. It is also conceivable to establish the connection between the beginning and end of the printing form by means of an adhesive bond, for example the beginning of the printing form being glued to half of a longitudinal saddle, the end of the printing form glued to the other half of the longitudinal saddle and the joints from the beginning and end are additionally glued. Then the sleeve-shaped printing form together with the saddle is pushed onto the forme cylinder.
Claims (12)
- Offset printing forme made from a metallic material for a forme cylinder of a printing press, the printing forme being produced from a rectangular plate (1) by being bent into a hollow cylindrical shape, the facing edges of the plate (1) being connected to each other (1), so that the offset printing forme is provided with a connected channel-free outer surface and can be mounted on the forme cylinder in a frictionally engaged but detachable manner, and register devices (4, 6) being provided on at least one end side (3, 5) for ensuring the circumferential and lateral register accuracy.
- Offset printing forme according to claim 1, characterised in that the start and end of the offset printing forme 1 are connected by means of a welded joint.
- Offset printing forme according to claim 1, characterised in that the start and end of the offset printing forme (1) are connected by means of an adhesive, the start of the printing forme (1) being adhered to one half of a longitudinally-running saddle and the end of the printing forme (1) being adhered to the other half of the saddle.
- Offset printing forme according to claim 1, characterised in that the material is aluminium.
- Offset printing forme according to claim 1, characterised in that the material is a multi-metal.
- Offset printing forme according to claim 1, characterised in that the register devices are constructed in the form of register holes (4), which act together with register pins on the surface of the forme cylinder.
- Offset printing forme according to claim 1, characterised in that the register devices are constructed in the form of recesses (6) on both end sides (3, 5) of the printing forme (1), which act together with register pins on the surface of the forme cylinder.
- Process for the production of an offset printing forme made from a metallic material for a forme cylinder of a printing press, characterised in that a plate is cut to size corresponding to the circumference and width of the forme cylinder and at least one end side (3, 5) is provided with register devices, that the lamellar blank is coated and exposed in a conventional way, inserted true-to-register in the form of a tube into a welding device, so that the start and end of the printing forme (1) are welded together along the seam, the welding process being carried out so that a welding seam (2) is produced which has on its upper and lower side a concave form, and in that the tube-shaped printing forme (1) is slid onto the forme cylinder using expansion by means of compressed air.
- Process for the production of an offset printing forme made from a metallic material for a forme cylinder of a printing press, characterised in that a plate is cut to size corresponding to the circumference and width of the forme cylinder and the end sides (3, 5) are provided with register devices (4, 6), in that the lamellar blank in the form of a tube is inserted into a welding device, that the start and end of the plate are welded together along the seam, the welding process being carried out so that a welding seam is produced which has on its upper and lower sides a concave form, in that the tube-shaped printing forme (1) is slid using expansion by means of compressed air and that the printing forme fixed on the forme cylinder is coated all round and exposed.
- Process according to claim 8 or 9, characterised in that the lamellar blank is provided with register holes (4) as register devices by means of a plate punch.
- Process according to claim 8 or 9, characterised in that a neodymium-YAG-laser is used for the welding process.
- Process for the production of an offset printing forme made from a metallic material for a forme cylinder of a printing press, characterised in that a plate is cut to size corresponding to the circumference and width of the forme cylinder, markings are made on the start and end of the printing forme on at least one end side, the start of the printing forme is adhered true-to-register to one half of a longitudinally-running saddle, the end of the printing forme (1) is adhered true-to-register to the other half of the saddle and the printing forme is slid together with the saddle onto the forme cylinder.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4140768A DE4140768C2 (en) | 1991-12-11 | 1991-12-11 | Offset printing form |
DE4140768 | 1991-12-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0554542A1 EP0554542A1 (en) | 1993-08-11 |
EP0554542B1 true EP0554542B1 (en) | 1996-04-10 |
Family
ID=6446760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92120894A Expired - Lifetime EP0554542B1 (en) | 1991-12-11 | 1992-12-08 | Offset printing element |
Country Status (5)
Country | Link |
---|---|
US (1) | US5379693A (en) |
EP (1) | EP0554542B1 (en) |
JP (1) | JP3272427B2 (en) |
CA (1) | CA2083682C (en) |
DE (2) | DE4140768C2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005035858B3 (en) * | 2005-07-30 | 2006-07-13 | Koenig & Bauer Ag | Device to pull a sleeve onto a plate cylinder of a print machine has cylinder pin on end, seat to take pin and limit stop around its circumference which rests on sleeve when it has reached desired position |
DE102005035857A1 (en) * | 2005-07-30 | 2007-02-01 | Koenig & Bauer Ag | Printing cylinder for a printing machine comprises compressed air systems for conveying compressed air to outlet openings formed on the surface of the printing cylinder |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4311078C1 (en) * | 1993-04-03 | 1994-05-26 | Roland Man Druckmasch | Prodn. of casing-shaped printing forme - uses plate with pass hole system with both plate edges to be joined having retention strips |
DE4412873C2 (en) * | 1993-05-13 | 1995-06-22 | Roland Man Druckmasch | Register device for a sleeve-shaped offset printing form |
DE4315996C1 (en) * | 1993-05-13 | 1994-08-04 | Roland Man Druckmasch | Register device for a sleeve-shaped offset printing form |
DE4323750C2 (en) * | 1993-07-15 | 1997-03-27 | Roland Man Druckmasch | Offset printing form and method for producing such an offset printing form |
DE4338467C1 (en) * | 1993-11-11 | 1995-02-23 | Roland Man Druckmasch | Method for producing a sleeve-shaped printing forme |
DE4342159C2 (en) | 1993-12-10 | 1997-04-10 | Roland Man Druckmasch | Forme cylinder for a sleeve-shaped printing form |
DE4401269A1 (en) * | 1994-01-18 | 1995-07-20 | Roland Man Druckmasch | Method and device for the correct positioning of printing form sleeves |
US6779449B1 (en) | 1994-09-15 | 2004-08-24 | Man Roland Druckmaschinen Ag | Carrying sleeve for printing and transfer forms and a process for production of such a carrying sleeve |
DE4432853C2 (en) * | 1994-09-15 | 1999-09-02 | Roland Man Druckmasch | Carrier sleeve for printing and transfer forms |
DE4432814A1 (en) * | 1994-09-15 | 1996-03-28 | Roland Man Druckmasch | Carrier sleeve for printing and transfer forms |
US5507228A (en) * | 1994-10-03 | 1996-04-16 | Schulz; Werner | Printing cylinder |
US5481975A (en) * | 1994-10-03 | 1996-01-09 | Schulz; Werner | Printing cylinder mandrel and image carrier sleeve |
JPH08300172A (en) * | 1995-04-28 | 1996-11-19 | Nkk Corp | Manufacture of welded steel tube |
DE19525585C2 (en) * | 1995-07-13 | 2003-03-27 | Roland Man Druckmasch | Rotary printing machine, in particular offset printing machine |
US5778779A (en) * | 1996-01-04 | 1998-07-14 | Heidelberger Druckmaschinen Ag | Printing unit and register mechanism for mounting a printing sleeve |
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- 1991-12-11 DE DE4140768A patent/DE4140768C2/en not_active Expired - Fee Related
-
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- 1992-11-24 CA CA002083682A patent/CA2083682C/en not_active Expired - Fee Related
- 1992-12-04 US US07/986,425 patent/US5379693A/en not_active Expired - Lifetime
- 1992-12-08 EP EP92120894A patent/EP0554542B1/en not_active Expired - Lifetime
- 1992-12-08 DE DE59205967T patent/DE59205967D1/en not_active Expired - Lifetime
- 1992-12-09 JP JP32930392A patent/JP3272427B2/en not_active Expired - Fee Related
Cited By (3)
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DE102005035858B3 (en) * | 2005-07-30 | 2006-07-13 | Koenig & Bauer Ag | Device to pull a sleeve onto a plate cylinder of a print machine has cylinder pin on end, seat to take pin and limit stop around its circumference which rests on sleeve when it has reached desired position |
DE102005035857A1 (en) * | 2005-07-30 | 2007-02-01 | Koenig & Bauer Ag | Printing cylinder for a printing machine comprises compressed air systems for conveying compressed air to outlet openings formed on the surface of the printing cylinder |
DE102005035857B4 (en) * | 2005-07-30 | 2011-10-13 | Koenig & Bauer Aktiengesellschaft | pressure cylinder |
Also Published As
Publication number | Publication date |
---|---|
CA2083682A1 (en) | 1993-06-12 |
US5379693A (en) | 1995-01-10 |
CA2083682C (en) | 1996-10-29 |
DE4140768C2 (en) | 1994-08-18 |
DE59205967D1 (en) | 1996-05-15 |
EP0554542A1 (en) | 1993-08-11 |
DE4140768A1 (en) | 1993-06-17 |
JPH05254096A (en) | 1993-10-05 |
JP3272427B2 (en) | 2002-04-08 |
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