EP1837189B1 - Dispositif pour affiner des pièces à fabriquer - Google Patents

Dispositif pour affiner des pièces à fabriquer Download PDF

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Publication number
EP1837189B1
EP1837189B1 EP06017766.4A EP06017766A EP1837189B1 EP 1837189 B1 EP1837189 B1 EP 1837189B1 EP 06017766 A EP06017766 A EP 06017766A EP 1837189 B1 EP1837189 B1 EP 1837189B1
Authority
EP
European Patent Office
Prior art keywords
workpiece
printing
printing device
processing
spindle unit
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.)
Active
Application number
EP06017766.4A
Other languages
German (de)
English (en)
Other versions
EP1837189A3 (fr
EP1837189A2 (fr
Inventor
Achim Gauss
Ludwig Albrecht
Johannes Schmid
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.)
Homag GmbH
Original Assignee
Homag GmbH
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
Priority claimed from EP06004713.1A external-priority patent/EP1839883B1/fr
Priority claimed from EP06012041A external-priority patent/EP1867488B1/fr
Priority to EP06017766.4A priority Critical patent/EP1837189B1/fr
Application filed by Homag GmbH filed Critical Homag GmbH
Priority to EP08021281A priority patent/EP2065206B1/fr
Priority to PL08021281T priority patent/PL2065206T3/pl
Priority to EP06023120A priority patent/EP1832429A3/fr
Publication of EP1837189A2 publication Critical patent/EP1837189A2/fr
Publication of EP1837189A3 publication Critical patent/EP1837189A3/fr
Publication of EP1837189B1 publication Critical patent/EP1837189B1/fr
Application granted granted Critical
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/28—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing downwardly on flat surfaces, e.g. of books, drawings, boxes, envelopes, e.g. flat-bed ink-jet printers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/44—Typewriters or selective printing mechanisms having dual functions or combined with, or coupled to, apparatus performing other functions

Definitions

  • the invention relates to a device for refining workpieces, which are preferably at least partially made of wood, wood-based materials or the like, according to the preamble of claim 1.
  • a device of the type mentioned is, for example, from the DE 100 31 030 B4 known.
  • workpieces are delivered and stored on a conveyor.
  • the apparatus In order to detect the positioning of the workpieces on the conveyor, the apparatus has stationary sensors mounted on the conveyor or on a gantry. These sensors must also detect the geometry of the workpieces, or the geometry data must be transferred from an upstream processing machine and read and transformed by the sensors taking into account the new positioning data. This leads to a high constructive and procedural effort.
  • EP 1 479 524 A1 shows an ink jet printing device, which is located above a transport plate, and which includes an ink jet head, which is pivotable on an arm about an axis and which can be telescoped.
  • an electronic control unit which contains a microprocessor with associated program and data memory. Outputs of the controller are connected to the print head and various drive means for the pivoting movement and the telescopic displacement of the printing device. This makes it possible to move the inkjet printhead relative to a base body below it such that the printhead can reach the entire surface of the chrome body.
  • DE 100 31 030 A1 discloses a method for producing sheet-like components with a predetermined surface appearance, in particular front panels of kitchen elements.
  • a crossbeam is arranged above a conveyor with a moving conveyor belt on which a carriage is movably guided.
  • a print head is attached to which liquid can be sprayed by ink nozzles.
  • the printing device itself is stationarily arranged on a transport device and comprises a printer which has at least one print head and is connected to a control device.
  • the controller includes an image processor to generate the image to be applied to the product
  • EP 0 993 903 A2 refers to a machine for processing wood products.
  • This machine includes a tool holder which is movably mounted on bearing means.
  • the machine has a portal with two upwardly directed struts along which a beam can move.
  • On both sides of the bar tool holding heads are arranged, which can slide on these beams.
  • an inkjet marking tool can be installed.
  • the invention is based on the idea to avoid the re-clamping of the workpieces to be finished in the course of finishing as much as possible.
  • it is provided according to the invention in a generic device that it further comprises at least one processing device for processing the workpiece.
  • it is possible not only to print the workpieces in the device according to the invention, but also to carry out individual or numerous machining operations, which can be before, after or even temporarily stored for printing.
  • individual or numerous machining operations which can be before, after or even temporarily stored for printing.
  • can be dispensed with a re-clamping between these finishing steps so that no multiple workpiece alignment and / or sensor detection is required, which simplifies the construction of the overall device and its operation, without affecting the finishing quality.
  • the ink-jet printing device and / or the processing device stationary and to be finished workpieces feed this along using the conveyor along. It is likewise possible to make the printing device and / or the machining device movable or to provide a combination of both variants, ie that both the workpieces and the printing device and / or the machining device are moved during the printing or machining operation using the conveying device ,
  • the processing device for processing the workpiece can be configured in a wide variety of ways and designed for one or more types of processing.
  • the conveyor device can also be designed in many different ways, for example by a single workpiece conveyor table, but also by a multiplicity of movable components which can be moved in relation to one another.
  • the conveying device is set up to bring about a relative movement between the workpiece to be finished and the processing device, preferably in such a way that the workpiece can be processed and printed without changing its relative position to the workpiece carrier device. In this way, a re-clamping of the workpieces to be finished in the course of finishing in the device according to the invention can be avoided, resulting in a simple and precise operation with high quality finishing.
  • the ink-jet printing device and the processing device can in principle be placed anywhere in the device according to the invention, for example also on a movable or stationary robot.
  • the printing device is received einicbar in a spindle unit.
  • Such a spindle unit is very well suited as a basic component of a processing device, in a combination with a plurality of Machining tools and / or aggregates, which are interchangeable according to the invention in the at least one spindle unit and can be stored in at least one magazine. This results in low design effort, such as a small number of drives, a wide variety of processing options for the workpieces.
  • the at least one spindle unit will not only be used for operating a wide variety of machining tools and / or assemblies, but also for operating a printing unit.
  • the printing unit is provided, which is eincicbar in the at least one spindle unit, via an interface.
  • the printing unit can also be used flexibly and only brought into an operating position in the spindle unit when it is needed for finishing the workpiece.
  • the printing unit has connection means by means of which it is exchangeable in the tool holder of a spindle unit.
  • the spindle unit does not have to be adapted to accommodate the printing unit, but the printing unit has suitable connection means which can be included in the already existing tool holder of the spindle unit.
  • An apparatus 1 for refining workpieces as a preferred embodiment of the present invention is disclosed in US Pat Fig. 1 shown schematically in a perspective view.
  • the device is used for processing and patterning of workpieces 2, which in the present embodiment at least partially made of wood, wood materials, plastics or the like, as they are often used for example in the field of furniture and components.
  • the device 1 comprises an ink-jet printing device 10, which operates in the present embodiment according to the drop-on-demand principle.
  • the ink-jet printing device 10 includes a plurality of nozzles 12 from which ink droplets may be ejected and which are arranged in a plurality of rows in the present embodiment, each row being for ejecting a predetermined color, for example the colors cyan, magenta, yellow and black.
  • drying units 14, for example UV dryers are provided on the printing device 10, which serve to rapidly increase the ink applied by the printing device dry to prevent possible printing with inaccurate "passer".
  • the printing device 10 is provided in the present embodiment on a spindle unit 6 or in this changed, which in Fig. 3 best seen.
  • the spindle unit is such a spindle unit which is also suitable for receiving and exchangeable receiving of machining tools or processing units and which for this purpose has a tool holder 6 'and an interface 6 ", wherein the interface can be used, for example, for transmitting data, Energy, drive, fluids, etc. can be designed ..
  • the printing unit 10 is provided in the present embodiment with a connecting piece 18 which is ein anbar in the tool holder 6 'of the spindle unit (see. Fig. 3 ). Furthermore, the printing unit 10 has transmission means 16 (cf. Fig. 3 For example, data, energy, drive, fluids, etc., and in particular ink, may also be transferred, and the printing unit 10 may include an ink supply and / or a wireless data transfer device, although this may be the case not shown in the figures.
  • the spindle unit 6 is provided in the y-direction movable on a portal 4, which in turn can be designed to be movable in the x-direction.
  • a portal 4 which in turn can be designed to be movable in the x-direction.
  • two portals 4 are provided in the present embodiment, each of which may carry one or more spindle units 6, which may optionally be arranged on opposite sides of the respective portal 4. It should be noted that the portals 4 may optionally be designed as a boom.
  • the spindle units 6 can be automatically or manually equipped with processing tools and / or processing units 30 and one or more printing units 10 via tool magazines 32 respectively provided on the portals 4 (FIG. Fig. 3 ). D. h., The printing units 10 are configured such that they can also be stored in the magazines 32.
  • processing tools 30 and / or processing units 30 can be used; such as cutting tools (drills, milling cutters, etc.), Kantenanleimaggregate, Extrudieraggregate, coating units, laminating units, cleaning units, degreasing units, aggregates to improve the adhesion and wetting properties of the surfaces to be printed and units for reducing the electrostatic charge of the surfaces to be printed.
  • cutting tools for cutting tools (drills, milling cutters, etc.), Kantenanleimaggregate, Extrudieraggregate, coating units, laminating units, cleaning units, degreasing units, aggregates to improve the adhesion and wetting properties of the surfaces to be printed and units for reducing the electrostatic charge of the surfaces to be printed.
  • these tools and units can also be fixed (independent of a spindle unit).
  • To perform the types of cleaning, degreasing, improving the adhesion and wetting properties and reduction of the electrostatic charge is applied to the filed by the Applicant European Patent Application No.
  • a workpiece table 20 for supporting the respective to be sampled workpieces 2, which in the in Fig. 1 shown x-direction is movable.
  • the workpiece table 20 can be designed in various ways and, for example, also be formed by a circulating conveyor belt or the like.
  • the workpiece table 20 forms by its movability at the same time Workpiece carrier and a part of the conveyor device according to the present invention.
  • a plate-shaped workpiece 2 on the workpiece table 20 has extendable stop bolts 22, to which the workpiece 2 can be applied for coarse positioning.
  • a plurality of distance sensors 52 are arranged on the workpiece table 20, which are part of a coarse detection device 50.
  • Distance sensors shown are arranged to detect the distance between the sensors and a side surface (narrow surface) of the respective workpiece 2.
  • the sensors 52 in the present embodiment are rotatable about an axis extending orthogonally to the surface of the workpiece table 20 and optionally movable parallel to the surface.
  • the coarse detection device 50 thus serves for coarse detection of the geometry and positioning of the respective workpiece 2.
  • FIG. 3 shown a partially sectioned front view of the in Fig. 1 shown device shows.
  • the respective workpiece 2 can be fixed on the workpiece table 20, for example via vacuum cups 24. It is also possible to integrate corresponding suction or suction openings in the workpiece table or a workpiece band.
  • the device 1 comprises a detection device 40 for detecting the relative position of the ink-jet printing device 10 and the respective surface of a workpiece 2 to be patterned.
  • the detection device 40 in the present embodiment has several types of sensors 42, 46 which are arranged in the Figures 3 . 4 and 5 are best seen.
  • the detection means 40 in the present Embodiment three distance sensors 42, which are arranged on the pressure device 10 adjacent to the nozzles 12 and measure in a direction which is substantially parallel to the ink ejection direction of the nozzles 12 ( Fig. 4 ).
  • the absolute distance between the pressure device 10 and the workpiece 2 can be determined with these distance sensors, but beyond that, it is also possible to deduce the exact contour of the respective workpiece 2 from the distance data obtained.
  • more distance sensors 42 are each arranged on the pressure device 10 via a pivotable element 44 in the present embodiment.
  • the pivotable element 44 of the respective sensor can be brought into an extended position, the in Fig. 5 best seen.
  • the in Fig. 5 shown sensors 42 in a direction which is substantially orthogonal to the ink ejection direction of the nozzles 12.
  • the thickness or height of the respective area to be printed can be detected and an "overspray" avoided.
  • an image sensing sensor 46 is arranged, which also measures in a direction substantially parallel to the ink ejection direction of the nozzles 12.
  • the image-capturing sensor 46 can be, for example, a CCD camera or the like, which can produce a complete image of a region of the respective workpiece 2 to be printed or already printed.
  • the printing device and preferably also the other operating components of the device 1 are connected to a control device which evaluates the respective data detected by the sensors and on this Basis controls the operation of the device, in particular the printing device.
  • the operation of the device can be represented as follows.
  • a workpiece 2 is roughly positioned over the stopper pins 22 on the workpiece table 20 and fixed via the vacuum cups 24. Subsequently, the positioning and / or contour of the workpiece 2 are detected on the workpiece table 20 by the sensors 52 and passed this data to the control device.
  • the workpiece table 20 is then moved in the x-direction, so that the workpiece 2 can be processed or finished by tools, units or printing units that are inserted into the spindle units 6.
  • the operation of the printing device takes place, for example, as follows.
  • the printing device 10 On the basis of the data from the sensors 52, the printing device 10 is moved with the corresponding spindle 6 along the portal 4 to the workpiece 2 to be printed.
  • the sensors 42, 46 continuously perform a measuring operation, so that the presence and optionally the distance of the respective workpiece and beyond (by the image detection sensor 46) also further information about the workpiece 2 can be obtained.
  • the controller Based on these data, the controller outputs pressure signals to the respective nozzles 12 (or the associated piezoelectric actuators or thermocouples) so that the workpiece 2 is printed.
  • individual nozzles or nozzle groups can be switched on or off in order to compensate for dimensional, position or other tolerances or deviations of the workpiece 2.
  • individual or multiple nozzles of the printing device 10 may be produced via piezo-adjusting means or the like in order to adapt their position or ejection direction to the workpiece 2.
  • piezo-adjusting means or the like in order to adapt their position or ejection direction to the workpiece 2.
  • the sensors 42 are used, which are extendable via pivotable elements 44 in order to detect the height of the narrow surface and thus to prevent overspray.
  • drying units 14 After printing on a surface section, it may optionally be dried by the drying units 14, possibly also simultaneously with the printing process.
  • the travel paths of the printing device 10 and / or the workpiece 2 are in Fig. 6 shown schematically.
  • the left drawing in Fig. 6 shows an operation in the so-called transverse pressure, in which the printing device 10 along with the spindle unit 6 along the portal 4 reciprocates in the y-direction and the workpiece 2 is further clocked by the workpiece table 20 in the x-direction.
  • Fig. 6 Right-hand print scheme used, which can be referred to as longitudinal pressure.
  • the printing device 10 is substantially stationary during the printing process itself, and the workpiece 2 is reciprocated with the workpiece table 20 in the x-direction.
  • the printing device 10 thus only needs to be clocked in the y-direction after the printing of a web has been completed.
  • combinations of both operations are possible, and it can be printed, for example, obliquely arranged tracks or the like.

Landscapes

  • Ink Jet (AREA)

Claims (2)

  1. Dispositif (1) d'ennoblissement de pièces (2), composées de préférence au moins partiellement de bois, de matériaux ligneux ou analogues, avec :
    un dispositif d'impression (10), réalisé de préférence sous forme de dispositif d'impression à jet d'encre comprenant une pluralité de buses (12), desquelles des gouttes d'encre peuvent être expulsées,
    un dispositif support de pièce (20) pour supporter la pièce (2) que l'on veut garnir d'un motif,
    un dispositif de transport pour provoquer un déplacement relatif entre la pièce (2) à ennoblir et le dispositif d'impression (10), et
    au moins un dispositif d'usinage (30) pour usiner la pièce,
    dans lequel le dispositif comprend en outre une unité à broche comportant un porte-outil (6') permettant l'introduction et la sortie interchangeable de dispositifs d'usinage,
    caractérisé en ce que :
    le dispositif comprend au moins un magasin,
    le dispositif comprend en outre une pluralité d'outils et/ou de groupes d'usinage (30) pouvant être introduits de manière interchangeable dans le porte-outil de la au moins une unité à broche (6) et susceptibles d'être déposés dans le au moins un magasin (32), et
    le dispositif d'impression (10) comprend des moyens de raccordement (18), au moyen desquels il peut être introduit de manière interchangeable dans le porte-outil (6') de la au moins une unité à broche (6) par l'intermédiaire d'une interface (6").
  2. Dispositif selon la revendication 1, caractérisé en ce que le dispositif de transport est conçu pour provoquer également un déplacement relatif entre la pièce (2) à ennoblir et le dispositif d'usinage (30), et ce de préférence de telle manière que la pièce (2) puisse être usinée et imprimée sans modification de sa position relative par rapport au dispositif support de pièce d'oeuvre (20).
EP06017766.4A 2006-03-08 2006-08-25 Dispositif pour affiner des pièces à fabriquer Active EP1837189B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PL08021281T PL2065206T3 (pl) 2006-03-08 2006-08-25 Urządzenie do uszlachetniania detali
EP06017766.4A EP1837189B1 (fr) 2006-03-08 2006-08-25 Dispositif pour affiner des pièces à fabriquer
EP08021281A EP2065206B1 (fr) 2006-03-08 2006-08-25 Dispositif d'enrichissement de pièces usinées
EP06023120A EP1832429A3 (fr) 2006-03-08 2006-11-07 Dispositif pour décorer des pièces à fabriquer

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06004713.1A EP1839883B1 (fr) 2006-03-08 2006-03-08 Procédé et dispositif pour imprimer sur des objets en forme de plaque
EP06012041A EP1867488B1 (fr) 2006-06-12 2006-06-12 Procédé pour décorer la surface de pièces
EP06017766.4A EP1837189B1 (fr) 2006-03-08 2006-08-25 Dispositif pour affiner des pièces à fabriquer

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP08021281A Division EP2065206B1 (fr) 2006-03-08 2006-08-25 Dispositif d'enrichissement de pièces usinées
EP08021281A Division-Into EP2065206B1 (fr) 2006-03-08 2006-08-25 Dispositif d'enrichissement de pièces usinées

Publications (3)

Publication Number Publication Date
EP1837189A2 EP1837189A2 (fr) 2007-09-26
EP1837189A3 EP1837189A3 (fr) 2008-10-15
EP1837189B1 true EP1837189B1 (fr) 2016-10-12

Family

ID=38069031

Family Applications (2)

Application Number Title Priority Date Filing Date
EP08021281A Active EP2065206B1 (fr) 2006-03-08 2006-08-25 Dispositif d'enrichissement de pièces usinées
EP06017766.4A Active EP1837189B1 (fr) 2006-03-08 2006-08-25 Dispositif pour affiner des pièces à fabriquer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP08021281A Active EP2065206B1 (fr) 2006-03-08 2006-08-25 Dispositif d'enrichissement de pièces usinées

Country Status (2)

Country Link
EP (2) EP2065206B1 (fr)
PL (1) PL2065206T3 (fr)

Families Citing this family (15)

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DE102008048383A1 (de) * 2008-09-22 2010-03-25 Baumer Inspection Gmbh Automatisches Flicken von Holzpaneelen mit ästhetischer Rekonstruktion
DE102009003443B4 (de) * 2009-02-05 2015-04-16 Theodor Hymmen Verwaltungs Gmbh Verfahren und Vorrichtung zum streifenförmigen Bedrucken großformatiger Werkstücke
PL2226201T3 (pl) 2009-03-04 2013-03-29 Flooring Technologies Ltd Sposób i urządzenie do wytwarzania płyty z tworzywa drzewnego
AT507776B1 (de) * 2009-04-30 2010-08-15 Fill Gmbh Vorrichtung zum erkennen und korrigieren von fehlstellen in holz
AT508166B1 (de) * 2009-05-13 2012-01-15 Erwin Ganner Ges M B H U Co Kg Computergesteuerte bohrmaschine
JP5853593B2 (ja) * 2011-10-28 2016-02-09 セイコーエプソン株式会社 被捺染材の支持装置、捺染装置及び印捺物の製造方法
DE102012006370A1 (de) 2012-03-29 2013-10-02 Heidelberger Druckmaschinen Aktiengesellschaft System zum Bedrucken eines Objekts
CN104084804A (zh) * 2014-06-27 2014-10-08 赵秋燕 一种组合机床
EP3488984A1 (fr) * 2017-11-24 2019-05-29 SCM Group S.p.A. Machine pour l'usinage de pièces faites de bois ou equivalent et equipees d'un systeme de detection de presence d'un operateur, et methode d'utilisation
CN111421968B (zh) * 2019-01-10 2023-06-09 松下知识产权经营株式会社 搬运台以及使用该搬运台的喷墨装置
CN110143061B (zh) * 2019-07-02 2020-07-24 敏达环保科技（嘉兴）有限公司 一种铁皮专用压印装置
IT201900021651A1 (it) * 2019-11-19 2021-05-19 Carlo Rovatti Dispositivo robotico per la decorazione di elementi di rivestimento per pavimenti, pareti e/o soffitti e relativo sistema e procedimento
DE102019133336A1 (de) 2019-12-06 2021-06-10 Homag Gmbh Verfahren sowie Maschine zum Bedrucken eines Werkstücks
DE102021128270A1 (de) 2021-10-29 2023-05-04 Homag Gmbh Druckvorrichtung zum Bedrucken eines Werkstücks sowie Verfahren
CN114393557A (zh) * 2021-12-30 2022-04-26 宜兴市华天自动化设备有限公司 一种五金产品加工用多功能质检台

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Publication number Priority date Publication date Assignee Title
IT1304910B1 (it) * 1998-10-14 2001-04-05 Giovanni Fattori Macchina chiodatrice
DE10031030B4 (de) * 2000-06-26 2005-08-04 Bauer, Jörg R. Verfahren und Vorrichtung zum Herstellen flächiger Bauteile mit vorbestimmtem Oberflächenaussehen und flächiges Bauteil, insbesondere Frontplatte eines Küchenelements
JP2005521578A (ja) * 2002-04-03 2005-07-21 マソナイト・コーポレイション 製品上に画像を形成する方法及び装置及び印刷製品
DE10323412B4 (de) * 2003-05-23 2007-07-05 Bauer, Jörg R. Verfahren und Vorrichtung zum Herstellen eines Bauteils mit einer Oberfläche vorbestimmten Aussehens
DE202004000662U1 (de) * 2004-01-17 2004-04-08 Homag Holzbearbeitungssysteme Ag Maschine zum Bedrucken der Schmalseiten plattenförmiger Werkstücke

Also Published As

Publication number Publication date
EP1837189A3 (fr) 2008-10-15
EP2065206B1 (fr) 2010-12-29
EP2065206A1 (fr) 2009-06-03
PL2065206T3 (pl) 2011-05-31
EP1837189A2 (fr) 2007-09-26

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