EP0567754A1 - Vorrichtung zum Zuführen einer Druckplatte zu einem Plattenzylinder einer Druckmaschine - Google Patents

Vorrichtung zum Zuführen einer Druckplatte zu einem Plattenzylinder einer Druckmaschine Download PDF

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Publication number
EP0567754A1
EP0567754A1 EP93104230A EP93104230A EP0567754A1 EP 0567754 A1 EP0567754 A1 EP 0567754A1 EP 93104230 A EP93104230 A EP 93104230A EP 93104230 A EP93104230 A EP 93104230A EP 0567754 A1 EP0567754 A1 EP 0567754A1
Authority
EP
European Patent Office
Prior art keywords
plate
printing
printing unit
holding
pressure plate
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.)
Withdrawn
Application number
EP93104230A
Other languages
German (de)
English (en)
French (fr)
Inventor
Hermann Beisel
Christian Dr. Compera
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0567754A1 publication Critical patent/EP0567754A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B41F27/1206—Feeding to or removing from the forme cylinder

Definitions

  • the invention relates to a device for feeding a printing plate to a plate cylinder of a printing press, which has a device for clamping the printing plate, the device being equipped with at least one element for holding and guiding the printing plate.
  • Clamping a printing plate on the plate cylinder of a printing press was previously a process that the printer had to do manually.
  • devices for clamping the printing plate were used, which received the front edge and the rear edge of the printing plate and which could be closed and opened with a key or a mandrel. The pressure plate was inserted into these devices by hand.
  • the first further development in this area included devices for clamping printing plates, which can be opened and closed at the push of a button. Through these devices, the printing plate is automatically clamped at its front and at its rear end and then tensioned, the printing plate trailing edge being inserted into the device for receiving the printing plate trailing edge by a pressing element.
  • the subsequent automation step relates to a device for feeding a printing plate to such an automated device for clamping the printing plate leading edge.
  • Such a device is known from JP-PA Hei 3-13062.
  • the pressure plate is placed in the holder, with support parts holding the front edge of the pressure plate.
  • the support members release it for feeding the printing plate, whereby the printing plate passes through a guide which feeds the leading edge of the printing plate in an arcuate way of the device for clamping the printing plate leading edge.
  • the guide for feeding the printing plate consists of two pairs of rollers that grip and transport the printing plate on the left and right edges.
  • this device is of complex construction and it seems questionable how the printing plate is to describe the arcuate path. Even if it is possible to guide the pressure plate in this way, this requires guides along which the pressure plate slides. The consequences are inaccuracies and the risk of damage to the printing plate. Another reason for the inaccurate feeding of the printing plate is that the printing plate bends in its central area and therefore an exact feeding is no longer guaranteed. By using the guide with the two pairs of rollers, it is not possible to feed a pressure plate that has an angled rear edge.
  • This device has two parallel guide rails through which the pressure plate is passed. These guide rails have a funnel-shaped opening at their upper end for inserting the pressure plate and they are bent in order to feed the pressure plate to the device for clamping onto the plate cylinder.
  • a device for feeding a printing plate is also known from JP-PO Sho 61-248834.
  • the pressure plate is located in a magazine, which has transport devices for pulling out and pushing the pressure plate in. How this printing plate is guided is not disclosed in this document. This document does not answer the question of how a printing plate with a folded rear edge can be fed to a plate cylinder.
  • the object of the invention is to make available a device of the type mentioned at the outset, which enables a printing plate to be fed precisely to the plate cylinder of a printing press with maximum protection of the printing surface in a simple manner.
  • At least one easily rotatable roller serves as an element for holding and guiding the printing plate, the side of the roller facing the printing unit being in a plate changing position in essentially lies on a straight line which runs parallel to the clamping surfaces of the device for receiving the printing plate leading edge between these clamping surfaces and leads obliquely upwards out of the printing unit.
  • the printer takes the printing plate, guides it past the side of the roll facing the printing unit and inserts it into the device for tightening the front edge of the printing plate.
  • the pressure plate is positioned in a known manner by dowel pins and U-shaped recesses. This device allows printing plates with an angled trailing edge to be fed to the printing machine without problems, the distance between the roller and the parts of the printing unit or a protection of the printing unit to which the roller is attached, of course, being so large that the angled trailing edge can be passed through .
  • Another significant advantage over manual insertion of the pressure plate is: In this case, it can easily happen that the printer did not hold the printing plate exactly before it was clamped, and register errors were thereby caused already during clamping. Since in the device according to the invention the printer only guides the printing plate into the device for tightening the front edge of the printing plate, then lets go and the printing plate stands there by its own weight, being held by the roller, a more precise clamping of the printing plate is possible. The reason is that the pressure plate in the receiving device is in its position by its own weight without any forces acting on it. Such forces occur when the printing plate is held by hand, which leads to the mentioned register errors.
  • the device is simple in construction, can be manufactured inexpensively and is uncomplicated to use.
  • the way of feeding the printing plate along the straight lines leading upwards out of the printing unit can be carried out in a comfortable posture, the printing plate being easily brought into its exact position. Damage to the printing plate is hardly possible, since the printing plate is guided on its image side by at least one easily rotatable roller. Due to their length and / or their arrangement, such rollers must be designed such that bending of the pressure plate in its central region is not possible.
  • the most convenient is a continuous roller with a length corresponding to the printing plate width. Printing plates of great length can also be guided by means of several rollers arranged one above the other. The functional reliability and the exact feeding of the printing plate are largely guaranteed by the device according to the invention.
  • a further development provides a further element for holding and guiding the pressure plate, wherein at least one further holding device is arranged above the at least one roller, which holds the pressure plate by suction, but can slide on it.
  • This holding device can also be brought into a plate changing position, in which it lies essentially on the straight line leading upwards out of the printing unit.
  • the advantage of this development is that even larger printing plates can be easily inserted into and held by the device.
  • the printing plate When the printing plate is sucked in, it undergoes a certain tightening, through which the printing plate fits well against the cylinder even at the start of the plate cylinder rotation. Since the printing plate is not sucked in on the image side, there is also no risk of damage to the printing surface.
  • the further holding device is designed such that it releases the pressure plate before the angled rear edge reaches the holding device.
  • the arrangement on the printing unit protection is expediently carried out in that the at least one element for holding and guiding the printing plate is arranged on a lower section of the printing unit protection and in that the lower section can be brought into a position in which the at least one element is inclined upwards straight line leading out of the printing unit.
  • the positioning of the lower section of the printing unit protector can be carried out in such a way that it is slidably mounted at its lower end in a guide attached to the printing unit and the upper section of the printing unit protector has an angular arm with a lever forms, which is mounted on the printing unit, the upper and lower part of the printing unit protection being connected to one another by a joint.
  • the lever with the upper section of the printing unit protection By pivoting the lever with the upper section of the printing unit protection, the lower section of the printing unit protection is brought against a stop of the guide, as a result of which the elements for holding and guiding the printing plate can be brought into the plate change position which is essentially on the straight line.
  • the printing unit protection is held in this position by a gas pressure spring being attached between the lever and the printing unit such that the lever section forms a triangle up to the point of application of the gas pressure spring, the gas pressure spring and the bearing points on the printing unit, with different angular relationships in the up and down collapsed state of the printing unit protection and due to the dimensioning of the force of the gas pressure spring, such force relationships result that the gas pressure spring holds the printing unit protection in the opened state, but in the closed state the weight of the printing unit protection keeps the gas pressure spring in the compressed state.
  • a further development provides that instead of the gas pressure spring, a pneumatic element is arranged between the lever and the printing unit, which acts on a lever section in such a way that the printing unit protection can be opened and closed by the pneumatic element. In this way it is possible that the printing unit protection can be opened and closed automatically, so that the elements for holding and guiding the printing plate can also be brought automatically into the plate changing position.
  • the at least one roller is designed as at least one easily rotatable continuous roller which has at least the width of the printing plate.
  • the roller is equipped with rings of elastic material which protrude beyond the roller surface. The number of rings distributed over the roller must be such that the pressure plate is guided safely without any bending.
  • the roller is suspended so that it can be rotated easily in that it is supported by means of ball bearings.
  • a suction cup which can be vented by means of a control device can be provided as the holding device.
  • the holding device can also be a suction strip acted upon, it being possible for a control with a two-way valve to connect atmospheric pressure instead of the negative pressure. If a holding device of the type shown releases the printing plate, the pressure plate end falls slightly downward due to its weight and moves so far from the holding device that a collision of the angled rear edge of the printing plate with the holding device is no longer possible.
  • a very easy-to-use holding device consists of at least one suction cup, which has a sealing, elastic suction lip, which closes off a volume when the pressure plate is pressed on, the suction lip being made of a material with good sliding properties and the pressure plate having a bore, bore and suction cup are arranged such that in a plate position in which the holding device is to be released, the bore passes through the suction lip by the displacement of the pressure plate.
  • the printer places the printing plate with its front edge into a clamping device, whereby it guides it past the rear side of the roll. Then he presses the pressure plate with its non-printing side against the suction cup or the suction cups of the holding device.
  • the machine pulls the pressure plate in, sliding past the holding device until a hole in the pressure plate passes the suction lip.
  • Such holes are available at the end of the printing plate anyway, since they are used for the plate copy or for punching.
  • the holding device releases and the pressure plate can be drawn further into the machine.
  • This independent loosening is required, as already mentioned, with a folded rear edge of a printing plate. Venting through the hole ensures that the pressure plate is released in time so that it can be drawn into the machine.
  • the suction cup can also be expediently attached to the foldable printing unit protection, an arrangement on the lower section of the printing unit protection, to which the roller is also attached, ensuring that, when this section of the printing unit protection is in the appropriate position, both holding devices lie essentially on the straight line .
  • the holding force of the further holding device is dimensioned accordingly.
  • the required holding force depends on the nature of the pressure plate.
  • the size of the holding force can be adjusted by means of the diameter of the suction lip of the suction cup and by means of the vacuum that can be achieved.
  • An increase in the holding force can be achieved by increasing the negative pressure in the sucked-in state, for example by reducing the volume, and by increasing the diameter of the suction lip of the suction cup.
  • the holding force must be at least so great that it is sufficient to hold the pressure plate, but at most it must be so great that the suction lip can still slide on the plate.
  • volume can be variably adjusted in accordance with the desired holding force. On in this way it is possible to adapt a holding device to different pressure plates, which require a different holding force because of their weight and their surface condition.
  • the holding device can be designed such that the volume is molded into a solid body and that the elastic suction lip is attached to the solid body.
  • the variable volume can be achieved in that the volume in the solid body is designed as a piston-cylinder unit.
  • the volume can be adjusted by the position of the piston.
  • the piston must be designed so that its setting is not automatically adjusted. This can be done, for example, in that a threaded spindle passes through the solid body to the outside. The threaded spindle can be turned from the outside, which enables readjustment during operation.
  • the size of the holding force also has an influence on how much air escapes from the suction cup when the plate is pressed on. Therefore, a further development provides that a precisely defined holding force is achieved within a narrow tolerance range in that a predetermined distance is provided between the edge of the suction lip in the non-suctioned state and the solid body, and that the suction lip is deformable in this way when the plate is pressed on that the body hits the plate. By dimensioning the distance, the negative pressure achieved in the volume, which arises when the plate is pressed on, can be set very precisely in accordance with the desired holding force.
  • a pressure element is in the vicinity of the plate cylinder arranged and serves to insert the printing plate trailing edge in the device for receiving the printing plate trailing edge.
  • the pressure element is arranged in such a way that it is located with a slight lateral displacement at the lower end of the straight line, which in the plate changing position between the clamping surfaces of the device for receiving the printing plate leading edge leads to the side of the roll facing the printing unit.
  • the required sliding properties have, for example, a suction lip, which is made of rubber with a hardness of 40 to 45 Shore.
  • FIG. 1 shows an embodiment in which the elements 28 for holding and guiding the printing plate 3 are attached to a lower section 10 of a printing unit guard 9.
  • These elements 28 are a roller 2 in the lower region of this section of the printing unit protection and a suction cup 31 at the upper end of the lower section 10 of the printing unit protection 9.
  • the printing unit protection 9 is in the folded-up state, the upper section 11 of the printing unit protection 9 forms an angled arm with a lever 12.
  • the lever 12 is pivotally connected to the printing unit 6 by means of a bearing 13.
  • the upper section 11 of the printing unit protection 9 forms with the lower section 10 of the printing unit protection 9 the parts of the printing unit protection which can be pivoted in front of the printing unit 6 to avoid accidents.
  • the two sections 10 and 11 of the printing unit protection are connected to one another in a hinge-like manner by means of a joint 14.
  • the lower section of the printing unit guard 10 is supported by means of guide bolts 16 which run in a guide 15 with a U-shaped profile.
  • a stop 17 At the upper end of the guide 15 there is a stop 17 which limits the upward movement of the guide bolts 16.
  • the printing unit protection is folded up by hand, and in the illustrated, folded-up position it is held on both sides by a gas pressure spring 23 or a gas pressure spring.
  • This gas pressure spring 23 has a bearing 24 on the printing unit 6 and a bearing 25 on the lever 12.
  • the two bearings of the gas pressure spring 23 form a triangle with the printing unit and the portion of the lever 12 between the bearing 13 and the bearing 25, the angular relationships of which differ with that Fold down the printing unit protection change, as can be seen from a comparison of Figures 1 and 2.
  • the gas pressure spring 23 requires that shown in FIG Position a much lower force to set up the printing unit protection 9, as is the case in the position of Figure 2.
  • the gas pressure spring 23 can thus be designed in such a way that it holds the printing unit protection in its position in the opened state, the guide bolts 16 abutting the stops 17 on both sides, and in a position in which the printing unit protection is in the folded down state, the gas pressure spring 23 is held in its compressed position by the weight of the printing unit protection 9.
  • This design has the advantage that the printer can open the printing unit protection with one hand and the printing unit protection remains in this position, in which both the roller 2 and the suction cup 31 are positioned such that both the side of the roller 2 facing the printing unit and that Suction lip 33 of the suction cup 31 lie on the straight line, which runs parallel to the clamping surfaces 45 of the device for receiving the printing plate leading edge 4 between these clamping surfaces 45 and leads out obliquely upwards from the printing unit 6.
  • a pneumatic element 46 can also be arranged, this having to exert the corresponding force in order to press the printing unit protection 9 from the closed position in FIG. 2 into the open position according to FIG. 1. It is also possible to mount this pneumatic element in such a way that it engages a lever which, in the closed position of the printing unit protection, assumes approximately the same position as the lever 12 in the open position of the printing unit protection. In this way, a lower force of the pneumatic element 46 is required for the operation.
  • FIG. 1 shows in the device for holding and guiding the pressure plate a pressure plate 3 which has a bore 35 and an angled pressure plate rear edge 32.
  • the pressure plate 3 is inserted between the clamping surfaces 45 of the device 4 for receiving the pressure plate leading edge.
  • This device is located in a channel of the plate cylinder 7, by the rotation of which the printing plate is wound around the cylinder. In the same channel or in the immediate vicinity of the device 4 for receiving the printing plate leading edge there is a device 5 for receiving the printing plate trailing edge.
  • a pressure element 8 is used to insert the angled pressure plate rear edge 32 into the device for receiving the pressure plate rear edge 5.
  • the clamping surfaces of this device lie in the radial direction, so that a high force for tensioning the pressure plate 3 can be applied after clamping the pressure plate trailing edge.
  • the plate cylinder 7 is supplied with ink by an inking unit 29 and gives a negative of the image to be printed on a rubber cylinder 30, which passes this on to the paper sheet.
  • the printing plate is fed in such a way that the printer guides the printing plate 3 with its front edge past the side of the roll 2 facing the printing unit and inserts it into the clamping surfaces 45 for receiving the printing plate front edge.
  • registration bolts in this device 4 serve to receive the printing plate front edge, which cooperate with U-shaped recesses in the printing plate.
  • the printer presses the upper area of the printing plate 3 against the suction cup 31. Then a head pressure causes the device 4 for receiving the printing plate front edge to close and the plate cylinder 7 to rotate, which winds up the printing plate 3.
  • the suction cup is vented and the pressure plate is released.
  • Figure 2 shows the same holding device in the closed state of the printing unit protection.
  • the gas pressure spring 23 is in the compressed state already mentioned.
  • the plate cylinder 7 is shown in a position in which the pressing element 8 inserts the angled printing plate rear edge 32 into the device for receiving the printing plate rear edge 5.
  • the printing unit protection 9 can already be closed, but it does not have to.
  • FIG. 3 shows a cheap embodiment of the roller 2, which guarantees a particularly gentle handling of the printing plate. If several roles are used, it is advisable to train them all in this way.
  • the roller 2 consists of a tube 19 which has at least the width of the pressure plate 3.
  • bearing pins 20 are supported on both sides by means of ball bearings 21.
  • the bearing pins 20 are located in brackets 18 which are fastened to the lower section of the printing unit protection 10.
  • the surface of the tube 19 carries rings 22 made of elastic material. These rings 22 are inserted into grooves and protrude beyond the surface of the tube so that the pressure plate runs on the elastic material of the rings 22. The number the rings depend on how many support points are necessary so that the pressure plate 3 is guided cleanly.
  • FIG. 4 shows a lower part 10 of a printing unit protection 9, which has two elements 28 for holding and guiding the printing plate 3.
  • a roller 2 is attached as such an element 28, which is carried by a holder 18, which is fastened to the lower section of the printing unit guard 10.
  • the bracket 18 has a height that ensures that the angled rear edge of a pressure plate can be passed.
  • a suction cup 31 is attached to the upper end of the lower section 10 of the printing unit protection 9 and has a suction lip 33 made of elastic material, which is attached to a fixed body 37. The more precise structure of this suction cup 31 is explained further below.
  • a joint 14 is also visible, which serves to join the lower section 10 of the printing unit protection with the upper section 11 of the printing unit protection.
  • a guide pin 16 can be seen, which can be guided on both sides in U-shaped guides 15 on the printing unit 6.
  • FIG. 5 shows a further embodiment of the lower section 10 of a printing unit protector, which, in contrast to those described above, is equipped with three elements 28 for holding and guiding the printing plate, in which case 3 rollers 2, 2 'and 2'' acts. All roles are carried by brackets 18, 18 'and 18''in the manner already described. In this embodiment, it is not a problem to insert printing plates with an angled trailing edge, since the angling of the trailing edge points inwards and therefore easily passes the rollers.
  • FIG. 6 shows a further exemplary embodiment for a lower section 10 of the printing unit protection, two elements 28 being arranged for holding and guiding the printing plate.
  • the lower element 28 is a roller 2 in the manner described above and the upper element 28 is a suction strip 41 which has a sliding surface 42 with one or more outlet openings 43.
  • the suction bar 41 is designed as a tube 44 which is acted upon by suction air, atmospheric pressure being connectable by means of a two-way valve if the pressure plate has to be released because of its angled rear edge.
  • FIG. 7 shows a holding device 1 which is designed as a suction cup 31.
  • This suction cup 31 is attached to the printing unit protection 9 and a pressure plate 3 is pressed on to hold it.
  • the suction lip 33 is elastic and seals the volume 34 of the suction cup 31.
  • air has escaped from the volume 34, as a result of which a vacuum ensures that the pressure plate 3 is held.
  • the pressure plate 3 is moved in the direction of arrow 36.
  • a bore 35 is provided in this pressure plate 3, the suction cup 31 and bore 35 being arranged in such a way that the bore 35 passes through the displacement 36 of the pressure plate in a plate position in which the holding device is intended to release.
  • the bores 35 are generally present at each rear end of a pressure plate, around the pressure plate for the plate copy or for clamping for punching the U-shaped recesses to put it in the right position.
  • the holding force of the suction cup 31 is determined by the diameter D of the suction lip 33 and by the negative pressure and the size of the volume 34.
  • the negative pressure and the size of the volume 34 also depend on how strongly the pressure plate 3 is pressed onto the suction cup 31 becomes.
  • a small volume 34 which is greatly increased by a force that pulls the pressure plate 3 vertically away from the suction cup 31, brings the greatest negative pressure and thus the greatest holding force.
  • FIG. 8 shows an embodiment in which the volume 34 is molded into a solid body 37.
  • the suction cup 31 consists of a funnel-shaped suction lip 33 which is attached to the fixed body 37.
  • FIG. 8 it can be seen that the pressure plate 3 has been pressed against the suction cup 31 to such an extent that the solid body 37 strikes the pressure plate 3.
  • the suction lip 33 is deformed accordingly.
  • the distance a between the edge of the suction lip 33 in the non-suctioned state (FIG. 9) and the solid body 37 is overcome.
  • This reproducible setting is important because if the holding force is too great, the sliding resistance of the suction cup on the plate becomes too great.
  • a certain holding force is required to hold the pressure plate.
  • FIG. 8 shows a pressure plate 3 which has an angled portion 32 at its end, over which the holding device cannot pass. It is therefore necessary that the suction cup 31 releases the pressure plate 3 before it reaches its end region. This is ensured by the bore 5 of the pressure plate, which is already present as already stated.
  • FIG. 9 shows a development of the suction cup 31 with a volume 34, which is formed in the fixed body 37 as a piston-cylinder unit.
  • the volume 34 is determined by the position of the Piston 39, for example set by means of a threaded spindle.
  • the advantage is that the vacuum can be adjusted according to the desired holding force. With a corresponding design, the adjustment can also be carried out during operation.
  • the adjustable volume 34 allows pressure plates 3 of different weights and different surface properties to be held in such a way that they are held securely and the suction lip 33 nevertheless glides easily on the pressure plate 3.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Discharge By Other Means (AREA)
EP93104230A 1992-04-29 1993-03-16 Vorrichtung zum Zuführen einer Druckplatte zu einem Plattenzylinder einer Druckmaschine Withdrawn EP0567754A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4214049 1992-04-29
DE4214049A DE4214049A1 (de) 1992-04-29 1992-04-29 Vorrichtung zum zufuehren einer druckplatte zu einem plattenzylinder einer druckmaschine

Publications (1)

Publication Number Publication Date
EP0567754A1 true EP0567754A1 (de) 1993-11-03

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EP93104230A Withdrawn EP0567754A1 (de) 1992-04-29 1993-03-16 Vorrichtung zum Zuführen einer Druckplatte zu einem Plattenzylinder einer Druckmaschine

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US (2) US5460092A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0567754A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JP2597799B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN (1) CN1029673C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU656667B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA2091787A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE4214049A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0655330A1 (en) * 1993-11-26 1995-05-31 Sakurai Graphic Systems Corp. Plate loading device for printing press
EP0704302A1 (de) * 1994-09-29 1996-04-03 MAN Roland Druckmaschinen AG Vorrichtung zum Zuführen einer Druckplatte zum Plattenzylinder einer Druckmaschine
EP0706884A1 (de) 1994-10-13 1996-04-17 Heidelberger Druckmaschinen Aktiengesellschaft Vorrichtung zum Zuführen von Druckplatten
EP0734859A1 (de) * 1995-03-31 1996-10-02 Heidelberger Druckmaschinen Aktiengesellschaft Einrichtung zum Wechseln von Druckformen
EP0734860A1 (de) * 1995-03-31 1996-10-02 Heidelberger Druckmaschinen Aktiengesellschaft Vorrichtung zum Wechseln von Druckformen
US6484639B2 (en) 2000-05-17 2002-11-26 Grapha-Holding Ag Device for delivering a printing plate to a plate cylinder of a printing press
EP1155841A3 (en) * 2000-05-17 2003-01-08 Komori Corporation Printing press
EP1155842A3 (en) * 2000-05-17 2003-01-08 Komori Corporation Printing press

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DE4215969C2 (de) * 1992-05-18 1994-10-13 Roland Man Druckmasch Vorrichtung zum Zuführen von Druckplatten auf den Plattenzylinder von Druckmaschinen, insbesondere Bogenoffsetdruckmaschinen
DE4328053C2 (de) * 1993-08-20 2001-06-28 Heidelberger Druckmasch Ag Vorrichtung für einen automatischen Wechsel von Druckplatten an einer Druckmaschine
DE4402158C1 (de) * 1994-01-26 1995-02-02 Heidelberger Druckmasch Ag Schutzvorrichtung an Druckmaschinen
FR2718674B1 (fr) * 1994-04-18 1996-07-12 Heidelberg Harris Sa Dispositif d'échange de clichés de machines rotatives à imprimer.
DE4414836C2 (de) * 1994-04-28 1997-01-16 Heidelberger Druckmasch Ag Schutzabdeckung an Druckmaschinen
EP0739728B1 (de) * 1995-04-26 1999-02-10 Heidelberger Druckmaschinen Aktiengesellschaft Verfahren und Vorrichtung zum Aufspannen einer Druckplatte auf einen Zylinder
CH690328A5 (fr) * 1995-04-28 2000-07-31 Bobst Sa Dispositif de chargement de bandes metallisees dans une machine de transfert d'images metallisees sur des elements en feuille.
GB2304632B (en) * 1995-08-29 1998-09-23 Heidelberger Druckmasch Ag Guard for a unit of a printing machine
US6113346A (en) 1996-07-31 2000-09-05 Agfa Corporation Method for loading and unloading a supply of plates in an automated plate handler
US5655452A (en) * 1996-08-07 1997-08-12 Agfa Division, Bayer Corp. Method and apparatus for an automated plate handler with slip sheet removal mechanism
JPH1120131A (ja) * 1997-07-03 1999-01-26 Ryobi Ltd 印刷機の刷版咥え装置
DE19803726B4 (de) * 1998-01-30 2007-12-27 Heidelberger Druckmaschinen Ag Druckwerk mit einem Druckwerksschutz und einer verstellbaren Aufhängung für den Druckwerksschutz
US6951172B2 (en) * 1998-03-31 2005-10-04 Heidelberger Druckmaschinen Ag Accessory for a printing unit
DE19834783A1 (de) * 1998-08-01 2000-02-03 Koenig & Bauer Ag Verfahren und Einrichtung zur Gewährleistung der Arbeitssicherheit
JP2000094642A (ja) * 1998-09-21 2000-04-04 Ryobi Ltd 印刷機の刷版取り付け補助装置
DE10010056B4 (de) * 1999-03-31 2012-11-08 Heidelberger Druckmaschinen Ag Druckplattenwechsler
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EP0655330A1 (en) * 1993-11-26 1995-05-31 Sakurai Graphic Systems Corp. Plate loading device for printing press
US5440988A (en) * 1993-11-26 1995-08-15 Sakurai Graphic Systems Corporation Method and apparatus for loading a plate in a printing press
EP0704302A1 (de) * 1994-09-29 1996-04-03 MAN Roland Druckmaschinen AG Vorrichtung zum Zuführen einer Druckplatte zum Plattenzylinder einer Druckmaschine
US5619926A (en) * 1994-10-13 1997-04-15 Heidelberger Druckmaschinen Ag Device for supplying printing plates in a printing machine
EP0706884A1 (de) 1994-10-13 1996-04-17 Heidelberger Druckmaschinen Aktiengesellschaft Vorrichtung zum Zuführen von Druckplatten
EP0734859A1 (de) * 1995-03-31 1996-10-02 Heidelberger Druckmaschinen Aktiengesellschaft Einrichtung zum Wechseln von Druckformen
EP0734860A1 (de) * 1995-03-31 1996-10-02 Heidelberger Druckmaschinen Aktiengesellschaft Vorrichtung zum Wechseln von Druckformen
FR2732267A1 (fr) * 1995-03-31 1996-10-04 Heidelberg Harris Sa Dispositif de changement de formes d'impression
FR2732268A1 (fr) * 1995-03-31 1996-10-04 Heidelberg Harris Sa Dispositif d'echange de plaques d'impression
US5595120A (en) * 1995-03-31 1997-01-21 Heidelberger Druckmaschinen Ag Device for feeding printing forms to and changing them on a printing form cylinder
US5701822A (en) * 1995-03-31 1997-12-30 Heidelberger Druckmaschinen Ag Device for changing printing forms or plates
US6484639B2 (en) 2000-05-17 2002-11-26 Grapha-Holding Ag Device for delivering a printing plate to a plate cylinder of a printing press
EP1155841A3 (en) * 2000-05-17 2003-01-08 Komori Corporation Printing press
EP1155842A3 (en) * 2000-05-17 2003-01-08 Komori Corporation Printing press

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AU3821693A (en) 1993-11-11
JPH0623957A (ja) 1994-02-01
US5479858A (en) 1996-01-02
CA2091787A1 (en) 1993-10-30
DE4214049A1 (de) 1993-11-04
CN1029673C (zh) 1995-09-06
DE4214049C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1994-04-21
JP2597799B2 (ja) 1997-04-09
US5460092A (en) 1995-10-24
CN1079690A (zh) 1993-12-22
AU656667B2 (en) 1995-02-09

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