EP0526398B1 - Machine d'impression sur plaque d'acier - Google Patents

Machine d'impression sur plaque d'acier Download PDF

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Publication number
EP0526398B1
EP0526398B1 EP92810548A EP92810548A EP0526398B1 EP 0526398 B1 EP0526398 B1 EP 0526398B1 EP 92810548 A EP92810548 A EP 92810548A EP 92810548 A EP92810548 A EP 92810548A EP 0526398 B1 EP0526398 B1 EP 0526398B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
wiping
actuator
plate cylinder
printing machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP92810548A
Other languages
German (de)
English (en)
Other versions
EP0526398A1 (fr
Inventor
Ernst Anton Blass
Hermann Josef Kuhn
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.)
KBA Notasys SA
Original Assignee
De la Rue Giori SA
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 De la Rue Giori SA filed Critical De la Rue Giori SA
Publication of EP0526398A1 publication Critical patent/EP0526398A1/fr
Application granted granted Critical
Publication of EP0526398B1 publication Critical patent/EP0526398B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/06—Details
    • B41F9/08—Wiping mechanisms
    • B41F9/10—Doctors, scrapers, or like devices
    • B41F9/1018—Doctors, scrapers, or like devices using a wiping cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
    • B41F13/34—Cylinder lifting or adjusting devices
    • B41F13/38—Cylinder lifting or adjusting devices electrically or magnetically operated

Definitions

  • the invention relates to an intaglio printing machine with a plate cylinder, with a printing cylinder which is equipped with an actuator for pressure adjustment and for pressure shutdown and can be adjusted by means of this actuator between a working position resting on the plate cylinder and a rest position moved away from it, and with a wiper device which has a wiping cylinder which interacts with the plate cylinder and which is also adjustable by means of an actuator between a working position in which it rests on the plate cylinder with a predetermined contact pressure and a rest position moved away from the latter.
  • Such intaglio printing machines have been known for a long time. Wiping devices are described, for example, in DE-PS 1 229 547 and are used to completely clean the inked surface of the intaglio printing plates of any color before printing and, at the same time, to fill the pits perfectly with color.
  • it is known to store the wiping cylinder in eccentric bearings (DE-PS 948 786), so that by adjusting the eccentric bearing parts, the distance of the wiping cylinder from the plate cylinder and thus the Contact pressure of the wiper cylinder can be adjusted.
  • a similar eccentric bearing is known for the printing cylinder in order to adjust the contact pressure with which it rests on the plate cylinder and to move the printing cylinder away from the plate cylinder when printing operation is interrupted.
  • intaglio printing is that the paper is printed with a great deal of force. About 10,000 N pressure force per cm printing width is expected. This high pressure force with which the pressure cylinder has to be pressed against the plate cylinder and which can be up to 100 t has the consequence that the cylinder journal of the plate cylinder bends slightly, whereby the center distance between the pressure and plate cylinder when printing is on and off of the impression cylinder changes in each case. This change in the center distance is only of no significance if it does not change the contact pressure with which the wiper cylinder rests on the plate cylinder. To achieve a flawless wiping, a precisely specified and constant contact pressure of the wiping cylinder is essential.
  • this contact pressure of the wiping cylinder is only practically independent of a change in the mentioned center distance if the connecting line between the printing cylinder axis and the plate cylinder axis is exactly perpendicular to the connecting line between the plate cylinder axis and the wiping cylinder axis.
  • This geometry can easily be realized in two-plate and four-plate machines, but not in intaglio printing machines, the plate cylinder of which carries a different number of plates, especially not in a three-plate machine.
  • the connecting line between the pressure cylinder and plate cylinder axes forms an angle of 120 ° with the connecting line between the plate cylinder and wiping cylinder axes.
  • the deflection of the cylinder journal of the plate cylinder results in a displacement component in the direction of the wiping cylinder, which can generally be several tenths of a millimeter and possibly up to approximately 1 millimeter, and by which the contact pressure with which the wiper cylinder rests on the plate cylinder, is changed.
  • the wiping conditions in the working position and in the rest position of the printing cylinder are different and therefore, after the printing cylinder has been switched off, the surface of the printing plates is no longer properly cleaned of ink, so that rejects occur when printing operation is resumed.
  • the present invention has for its object to compensate for the disadvantages described above, the displacement component influencing the contact pressure of the wiping cylinder, which occurs when the cylinder journal of the plate cylinder deflects, in a simple manner.
  • the invention is intended to improve the ease of use when adjusting and adjusting the wiper cylinder.
  • the wiping cylinder is, so to speak, tracked when the plate cylinder is displaced, as a result of which the contact pressure of the wiping cylinder is kept practically constant both in the working position and in the rest position of the printing cylinder.
  • the simultaneous adjustment of the pressure cylinder and wiping cylinder can be carried out either by a common command transmitter, the travel of the fine control element being determined in one or the other sense by a preselected value; or a force measuring device for measuring the contact pressure between the pressure cylinder and plate cylinder and a memory-programmed control system are provided which control the adjustment of the wiping cylinder as a function of the delivered measured value.
  • cleaning elements are provided on the wiping cylinder, then these are preferably also adjustable by the fine adjusting element in such a way that their position relative to the wiping cylinder is at least approximately maintained. This ensures the correct installation of the cleaning elements and thus the perfect cleaning of the wiping cylinder guaranteed.
  • the intaglio printing machine has a printing cylinder 2 and a plate cylinder 3, both of which are mounted in the machine frame 1.
  • the plate cylinder 3 carries three evenly distributed printing plates, and the printing cylinder 2 accordingly has three sectors covered with printing covers.
  • the wiper device 9 cooperating with the plate cylinder 3 consists of a wiper box 13, a wiper cylinder 10, the cleaning elements lying against the wiping cylinder and the devices for adjusting the wiping cylinder and the cleaning elements shown in greater detail in FIGS. 2 and 3.
  • the wiping cylinder 10 is immersed in a cleaning liquid located in the wiping box 13, or its surface is sprayed with cleaning liquid via corresponding feed elements.
  • the connecting line between the pressure cylinder and plate cylinder axes forms an angle of 120 ° with the connecting line between the plate cylinder and wiping cylinder axes.
  • the paper sheets P to be printed are passed between the printing cylinder 2 and the plate cylinder 3 during the printing process, which rotate in the direction of the arrows.
  • the required strong contact pressure at the pressure point is indicated schematically in Figure 2 by small arrows.
  • the pressure cylinder 2 is mounted by means of eccentric bushes 4 in the solid side parts of the machine frame 1, while the plate cylinder 3 is also mounted in this frame by means of concentric bushes 5.
  • the eccentric bushes 4 of the pressure cylinder 2 are firmly connected at both ends with radially oriented levers 6.
  • a hydraulic cylinder 7 is articulated, which serves as an actuator for turning on and moving the pressure cylinder 2.
  • the working position of the printing cylinder 2, in which it rests with a predetermined force on the plate cylinder 3, is shown in solid lines in FIG. 2, while its removed rest position is shown in broken lines.
  • the attachment point 7 'of the hydraulic cylinder 7 on the machine frame is adjustable, whereby the contact pressure of the pressure cylinder 2 can be adjusted.
  • the hydraulic cylinder 7 is used for pressure adjustment or Pressure shutdown of the pressure cylinder 2 is controlled by an electrically operated hydraulic valve 8, which in turn can be actuated by a command transmitter 8a, which can be a pulse generator which is controlled by a higher-level control system or an operating switch.
  • the cylinder pins 5a of the plate cylinder 3 experience a deflection due to the strong contact pressure, which is indicated schematically by the circumferential section 3 'of the plate cylinder 3 which is offset downwards.
  • the effective force as illustrated by the force diagram shown in the center of the plate cylinder 3, has a component K in the direction of the wiper cylinder 10 of the wiper device 9, so that the deflection has a corresponding displacement component pointing in the direction of the wiper cylinder 10, as a result of which the center distance changes shortened between plate cylinder 3 and wiper cylinder 10.
  • These hydraulic cylinders 15 are actuators with which the wiping cylinder 10 can be adjusted by correspondingly rotating the eccentric bushes 12 between its working position shown in FIG. 3, in which it rests on the plate cylinder 3 with a specifiable contact pressure, and a disengaged rest position.
  • a fine adjustment is provided with which the aforementioned deflection of the cylinder pins 5a of the plate cylinder 3 can be compensated.
  • a worm wheel 17 is provided on both sides of the wiping box 13, which is rotatably mounted in a bearing plate 17a fastened to the wiping box.
  • the lower end of the relevant hydraulic cylinder 15 is articulated by means of a pin 16, eccentrically to its axis 17b.
  • Each of the worm wheels 17 is in engagement with a substantially horizontally oriented worm spindle 18, which can be adjusted by a fine actuator 19, which in the example under consideration is a servomotor in the form of a stepper motor.
  • a fine actuator 19 which in the example under consideration is a servomotor in the form of a stepper motor.
  • the movement of the stepping motor 19 is transmitted to an actual value transmitter 21 by means of a toothed belt 20 and digitally displayed by means of a display device 21a, so that the respective actual position of the wiping cylinder 10 can be checked.
  • the cleaning elements are fastened to both sides of the wiping box on a carrier 25 in the form of a curved support segment (FIG. 4) which is attached to its the end closest to the worm wheel 17 by means of a pin 25a the inside of the wiper box 13 is pivotally mounted and is suspended at its other end on an eccentric bolt 24 which is also rotatably mounted on the wiper box wall.
  • a toothed belt 23 connects the eccentric pin 24 with a gear 22 that is attached to the worm wheel 17 in a rotationally fixed manner.
  • a preferred control of the tracking of the wiping cylinder 10 is explained using the simplified block diagram according to FIG. 5.
  • those two positions of the stepping motor 19 are determined empirically before the actual start-up of the printing press, in which the printing plates on the plate cylinder 3, on the one hand, in the removed rest position of the printing cylinder 2 and, on the other hand, in the working position of the printing cylinder, that is, when the pressure is switched on, be wiped properly by the wiping cylinder 10. This is done by printing and inspecting test sheets at a selected wiper cylinder position and gradually adjusting the wiper cylinder until the sheets are free of color contamination.
  • the manual adjustment or adjustment of the wiper cylinder during the determination of the optimal wiper cylinder positions is preferably carried out by actuating pushbuttons provided on both sides of the wiper box and from each other are independent.
  • the difference between the two positions of the stepping motor 19 corresponding to the respective correct contact pressures of the wiping cylinder, expressed in number of motor steps, represents the amount by which the wiping cylinder 10 is adjusted in one or the other sense when the pressure cylinder 2 is turned on and off is.
  • This difference is entered by means of a selector switch 19b into a preselector 26 which is connected to the stepper motor 19.
  • the preselector 26 can be an electronic memory, for example.
  • the stepping motor 19 as a fine control element can be actuated by an operating element 19a by hand and on the other hand by the command transmitter 8a, which controls the activation and deactivation of the pressure cylinder 2 via the hydraulic valve 8 and the hydraulic cylinder 7.
  • the command generator 8a ensures that the fine adjustment of the wiping cylinder 10 by the preselected amount in one or the other sense always takes place simultaneously with the adjustment of the printing cylinder 2 when it is on the plate cylinder 3 is hired or dismissed by him.
  • a measuring device 27 shown only schematically by broken lines in FIG. 2, can be provided for measuring the force with which the printing cylinder 2 is applied to the plate cylinder 3.
  • This measuring device 27 can in particular be a known strain measuring device which determines the deformation of the machine frame as a result of the contact pressure of both cylinders, that is to say the change in the distance between the axes of the pressure cylinder 2 and plate cylinder 3 Starting and stopping the printing cylinder. With the aid of the measured value determined by such a measuring device 27, the wiper cylinder adjustment can be further automated.
  • the optimal fine adjustment of the wiping cylinder in which the wiping cylinder contacts the plate cylinder with the correct contact pressure, is determined as a function of the contact pressure of the pressure cylinder on the plate cylinder in the form of a program.
  • the simplified block diagram according to FIG. 6 shows one possibility of the corresponding control.
  • the measured value output by the measuring device 27 is fed via an analog-digital converter to a programmable logic control system 28, which adjusts the stepping motor 19 via an associated algorithm for the purpose of tracking the wiping cylinder as a function of the pressure measurement.
  • This is a regulation of the wiping cylinder position as a function of the pressure of the pressure cylinder on the plate cylinder.
  • the invention is not limited to the exemplary embodiments described, but rather allows for numerous variants, particularly with regard to the configuration of the fine adjustment and control of the position of the wiper cylinder and also of the cleaning elements.
  • the invention described for the case of a sheet-fed printing press can also be used in web-fed printing presses and is always advantageous when the angle mentioned cannot be chosen to be 90 ° for any reason.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Printing Plates And Materials Therefor (AREA)

Claims (8)

  1. Machine d'impression taille-douce avec un cylindre porte-plaques (3), un cylindre d'impression (2) équipé d'un organe de réglage (7) pour la mise en position d'impression et hors position d'impression et déplaçable au moyen de cet organe de réglage (7) entre une position de travail contre le cylindre porte-plaques (3) et une position de repos éloignée de celui-ci, et avec un dispositif d'essuyage (9) comportant un cylindre d'essuyage (10) coopérant avec le cylindre porte-plaques (3), ce cylindre d'essuyage étant également déplaçable au moyen d'un organe de réglage (15) entre une position de travail, dans laquelle il est appuyé contre le cylindre porte-plaques (3) avec une pression prédéterminée, et une position de repos éloignée de celui-ci, l'angle entre la ligne de liaison des axes des cylindres d'impression et porte-plaques et la ligne de liaison des axes des cylindres porte-plaques et d'essuyage différant de 90°, caractérisée en ce que le cylindre d'essuyage (10) est déplaçable, pour un réglage précis, au moyen d'un organe de réglage de précision supplémentaire (19) et que cet organe de réglage de précision (19) peut être actionné pour le maintien de la pression d'application prédéterminée du cylindre d'essuyage (10) en même temps que l'organe de réglage (7) déplaçant le cylindre d'impression (2) et qu'il est disposé de façon à ce que, lors de la mise en position d'impression du cylindre d'impression (2), il augmente la distance entre l'axe du cylindre d'essuyage et l'axe du cylindre porte-plaques, subsistant lorsque le cylindre d'impression (2) est en position éloignée, d'une valeur correspondant à la courbure des pivots du cylindre porte-plaques et qu'il règle à nouveau cette distance lors de la mise hors position d'impression du cylindre d'impression.
  2. Machine d'impression taille-douce selon la revendication 1, caractérisée en ce que la grandeur du déplacement à l'aide de l'organe de réglage de précision (19) est déterminée par un élément de présélection (26), dans lequel on peut entrer une valeur présélectionnée correspondant à ladite valeur, et que l'organe de réglage de précision (19) et l'organe de réglage (7) déplaçant le cylindre d'impression (2) peuvent être commandés par le même donneur d'ordre (8a).
  3. Machine d'impression taille-douce selon la revendication 1, caractérisée en ce qu'elle est équipée d'un dispositif de mesure (27) pour la mesure de la force avec laquelle le cylindre d'impression (2) est appuyé contre le cylindre porte-plaques (3) et qu'il est prévu un système de commande par programme enregistré (28), avec lequel ledit organe de réglage de précision (19) est commandable automatiquement en fonction de la force mesurée.
  4. Machine d'impression selon l'une des revendications 1 à 3, caractérisée en ce que le cylindre d'essuyage (10) est logé dans des coussinets d'excentrique (12) déplaçables, que les organes de réglage (15) qui lui sont associés sont constitués chacun d'un vérin hydraulique (15) déplaçant les coussinets d'excentrique, et que le mécanisme pour le réglage de précision du cylindre d'essuyage (10) est constitué de chaque côté d'une roue hélicoïdale (17) sur laquelle le vérin hydraulique (15) est articulé de façon excentrée par rapport à l'axe de la roue hélicoïdale et d'une vis sans fin (18) pouvant être entraînée par ledit organe de réglage de précision (19) constitué d'un servomoteur.
  5. Machine d'impression taille-douce selon la revendication 4, caractérisée en ce que ledit organe de réglage de précision (19) est un moteur pas à pas.
  6. Machine d'impression taille-douce selon l'une des revendications 1 à 5, caractérisée en ce qu'un dispositif indicateur (21a) est prévu pour la position réelle du cylindre d'essuyage (10).
  7. Machine d'impression taille-douce selon l'une des revendications 1 à 6 dans laquelle le cylindre d'essuyage (10) plonge dans un boîtier d'essuyage (13) et est pourvu d'éléments de nettoyage (11, 11a), caractérisée en ce que les éléments de nettoyage (11, 11a) sont installés sur un support (25) déplaçable par rapport à la surface du cylindre d'essuyage, ce support étant déplaçable ensemble avec le cylindre d'essuyage (10) au moyen dudit organe de réglage de précision (19) de telle façon que la position des éléments de nettoyage par rapport au cylindre d'essuyage est conservée au moins approximativement.
  8. Machine d'impression taille-douce selon les revendications 4 et 7, caractérisée en ce que le support déplaçable des éléments de nettoyage (11, 11a) est pourvu de chaque côté de ceux-ci d'un segment-support (25) dont une extrémité est montée sur la face intérieure correspondante du boîtier d'essuyage (13) de façon à pouvoir basculer et dont l'autre extrémité repose sur un coussinet d'excentrique (24) fixé à cette face intérieure et libre en rotation, et que ce coussinet d'excentrique (24) est relié au moyen d'une courroie dentée (23) à une roue dentée montée concentriquement et par accouplement rigide sur la roue hélicoïdale (17) de telle sorte que le coussinet d'excentrique (24) est entraîné en rotation lors d'un déplacement de la roue hélicoïdale (17) et que le segment-support (25) est ainsi déplacé.
EP92810548A 1991-07-30 1992-07-17 Machine d'impression sur plaque d'acier Expired - Lifetime EP0526398B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH227391 1991-07-30
CH2273/91 1991-07-30

Publications (2)

Publication Number Publication Date
EP0526398A1 EP0526398A1 (fr) 1993-02-03
EP0526398B1 true EP0526398B1 (fr) 1995-12-27

Family

ID=4229913

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92810548A Expired - Lifetime EP0526398B1 (fr) 1991-07-30 1992-07-17 Machine d'impression sur plaque d'acier

Country Status (10)

Country Link
US (1) US5255601A (fr)
EP (1) EP0526398B1 (fr)
JP (1) JP2930477B2 (fr)
KR (1) KR100187318B1 (fr)
CN (1) CN1037420C (fr)
AT (1) ATE132079T1 (fr)
AU (1) AU654023B2 (fr)
CA (1) CA2073118C (fr)
DE (1) DE59204815D1 (fr)
RU (1) RU2060897C1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104417045A (zh) * 2013-08-20 2015-03-18 北大方正集团有限公司 一种在线辊体清洁装置

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE148031T1 (de) * 1993-07-05 1997-02-15 De La Rue Giori Sa Stichdruckmaschine
JPH09193337A (ja) * 1996-01-24 1997-07-29 Komori Corp 印刷機の接触圧調整装置
DE10321358B4 (de) * 2003-05-13 2006-02-16 Koenig & Bauer Ag Tiefdruckmaschine mit einem Formzylinder und einem in Kontakt mit dem Formzylinder rotierenden Wischzylinder
DE102007045876A1 (de) * 2007-09-25 2009-04-09 Gallus Druckmaschinen Gmbh Druckwerk und Druckmaschine
DE102008045430A1 (de) * 2008-09-02 2010-03-04 Koenig & Bauer Aktiengesellschaft Bogendruckmaschine mit einer Vorrichtung zum Übertragen von bildgebenden Transferschichten von einer Transferfolie auf einen Druckbogen sowie Verfahren hierzu
CN102267276B (zh) * 2010-06-04 2015-08-19 小森公司 印刷机的接触压力调整方法和接触压力调整装置
EP2524809A1 (fr) 2011-05-20 2012-11-21 KBA-NotaSys SA Ink wiping system for an intaglio printing press
EP2524805A1 (fr) 2011-05-20 2012-11-21 KBA-NotaSys SA Système d'essuyage d'encre pour presse d'impression en creux
CN102363392B (zh) * 2011-10-29 2013-05-29 无锡宝南机器制造有限公司 串墨辊刮墨清洗装置
EP2636527A1 (fr) 2012-03-09 2013-09-11 Kba-Notasys Sa Système d'essuyage d'encre d'une presse d'impression en creux et presse d'impression en creux le comprenant
CN108162571B (zh) * 2018-02-09 2020-05-15 湖州新天外绿包印刷有限公司 用于凹版印刷机供墨系统的墨辊轴颈刮墨装置
DE102019220116B3 (de) * 2019-12-19 2020-11-05 Heidelberger Druckmaschinen Ag Verfahren zur Steuerung der Schmitzringpressung in einem Druckwerk

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US2659305A (en) * 1950-01-23 1953-11-17 Giori Gualtiero Multicolor rotary, intaglio, letterpress, and offset printing press
GB793790A (en) * 1955-01-07 1958-04-23 William Richard Jones Improvements in or relating to rotary, flat bed, or other relief printing machines
US2987993A (en) * 1956-08-24 1961-06-13 Giori Gualtiero Ink regulating device for intaglio and similar printing machines
DE1229547B (de) * 1963-12-06 1966-12-01 Gualtiero Giori Einrichtung zum Reinigen des in einem Loesungsmittel umlaufenden Wischzylinders einer Stahlstichdruckmaschine
CH463544A (de) * 1963-12-06 1968-10-15 Giori Gualtiero Reinigungsvorrichtung für Wischzylinder in Ein- oder Mehrfarbenstahlstichdruckmaschinen
CH438381A (de) * 1965-04-14 1967-06-30 Giori Gualtiero Reinigungsvorrichtung für Wischzylinder in Ein- oder Mehrfarbenstahlstichdruckmaschinen
GB1245204A (en) * 1969-03-29 1971-09-08 Johann Heinrich Saueressig Colour intaglio printing machine, more particularly for printing textiles
US3630146A (en) * 1970-02-04 1971-12-28 S & S Corrugated Paper Mach Interruptable inking cylinder and scraper blade forming open ended fountain trough
US3762319A (en) * 1971-08-20 1973-10-02 American Bank Note Co Plate wiping mechanism for intaglio press
JPS58101060A (ja) * 1981-12-12 1983-06-16 Komori Printing Mach Co Ltd 凹版印刷機のワイピング装置
JPS6042047A (ja) * 1983-08-19 1985-03-06 Toppan Printing Co Ltd グラビア印刷機の自動セット装置
US4789432A (en) * 1987-06-08 1988-12-06 Thermo Electron Web Systems, Inc. Doctoring apparatus
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CH681875A5 (fr) * 1990-08-17 1993-06-15 De La Rue Giori Sa

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104417045A (zh) * 2013-08-20 2015-03-18 北大方正集团有限公司 一种在线辊体清洁装置
CN104417045B (zh) * 2013-08-20 2017-03-22 北大方正集团有限公司 一种在线辊体清洁装置

Also Published As

Publication number Publication date
CA2073118C (fr) 2004-09-14
DE59204815D1 (de) 1996-02-08
CA2073118A1 (fr) 1993-01-31
RU2060897C1 (ru) 1996-05-27
KR930002091A (ko) 1993-02-22
ATE132079T1 (de) 1996-01-15
CN1071117A (zh) 1993-04-21
EP0526398A1 (fr) 1993-02-03
JPH05193091A (ja) 1993-08-03
KR100187318B1 (ko) 1999-05-15
AU654023B2 (en) 1994-10-20
US5255601A (en) 1993-10-26
JP2930477B2 (ja) 1999-08-03
AU2037192A (en) 1993-02-04
CN1037420C (zh) 1998-02-18

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