EP1727674B1 - Systeme d'aspiration pour un dispositif servant a structurer une surface d'une piece a usiner au moyen d'un rayonnement - Google Patents

Systeme d'aspiration pour un dispositif servant a structurer une surface d'une piece a usiner au moyen d'un rayonnement Download PDF

Info

Publication number
EP1727674B1
EP1727674B1 EP04731176A EP04731176A EP1727674B1 EP 1727674 B1 EP1727674 B1 EP 1727674B1 EP 04731176 A EP04731176 A EP 04731176A EP 04731176 A EP04731176 A EP 04731176A EP 1727674 B1 EP1727674 B1 EP 1727674B1
Authority
EP
European Patent Office
Prior art keywords
workpiece
hood
vacuum extraction
extraction unit
side walls
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
EP04731176A
Other languages
German (de)
English (en)
Other versions
EP1727674A1 (fr
Inventor
Klaus Kruckenhauser
Josef Juffinger
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.)
SPGPrints Austria GMBH
Original Assignee
Stork Prints Austria 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
Application filed by Stork Prints Austria GmbH filed Critical Stork Prints Austria GmbH
Publication of EP1727674A1 publication Critical patent/EP1727674A1/fr
Application granted granted Critical
Publication of EP1727674B1 publication Critical patent/EP1727674B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/02—Engraving; Heads therefor
    • B41C1/04—Engraving; Heads therefor using heads controlled by an electric information signal
    • B41C1/05—Heat-generating engraving heads, e.g. laser beam, electron beam
    • 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
    • B41N1/12—Printing plates or foils; Materials therefor non-metallic other than stone, e.g. printing plates or foils comprising inorganic materials in an organic matrix

Definitions

  • the invention relates to a suction device for a device for structuring a surface of a workpiece, in particular a printing plate, such. B. a flexographic printing cliché, by means of radiation, in particular by means of laser radiation,
  • the engraving of a relief in a surface of a workpiece by means of radiation, in particular by means of laser radiation is used in particular for the production of flexographic printing forms, wherein a printing relief is engraved with a laser beam directly into the relief-forming layer of a flexographic printing element, so that a developing of the flexographic printing element, as in exposure methods required , not applicable.
  • the areas to be recessed are exposed to laser radiation in such a way that the material of the blank is removed there.
  • the constituents to be removed are vaporized and / or decomposed, so that their removal or decomposition products are present in the form of vapors, hot gases, smoke, aerosols and / or small particles.
  • the flexographic printing blank to be engraved is a cylinder or a plate mounted on a cylindrical support for engraving, and the cylinder is rotated at high speed in the engraving, it is necessary that these decomposition products be as completely as possible from the region of their formation in order to prevent them from settling in already engraved areas and impairing the fineness of the engraved pattern.
  • the decomposition products can also deposit on non-engraved areas where they disturb the engraving process or also pollute the elements of the laser beam guide, which likewise leads to an impairment of the engraving quality.
  • a processing head for a laser engraving or cutting device is already known, in which a nozzle-like lens holder holding the focusing lens is surrounded by a suction bell, which is connected to a corresponding suction device via a suction line.
  • the machining head is equipped with at least two gas nozzles, one of which obliquely projects a gas jet into an area of a gas jet
  • the interaction zone between the laser beam and the stamp plate to be engraved, while the other also directs an oblique gas jet against the stamp plate to be engraved, which strikes in the area between the working point and the edge of the suction bell to the radial propagation of dust or other decomposition products during processing
  • a device for processing hollow cylinders, in particular of screen printing stencils by means of a laser in which the hollow cylinder to be machined is supported in its axial direction in front of and behind an interaction zone between laser beam and hollow cylinder, ie before and behind a gravure point by rollers or cone support rollers.
  • the laser processing head is preceded by a vacuum housing that is formed so that the mouthpiece of the laser processing head is surrounded by the vacuum housing.
  • a vacuum chamber is formed with an opening whose edge forms a gap with the gravure cylinder, which surrounds the engraving area, that is to say the zone of interaction between the laser beam and the stencil.
  • air flowing in from the vacuum chamber is continuously evacuated through the gap, a pressure difference between the surrounding atmosphere and the interior of the vacuum chamber is maintained, forcing the stencil to permanently contact the rollers or tapered support rollers.
  • a device for processing thin-walled hollow cylinder by means of a laser beam in which in addition to its longitudinal axis rotatably mounted hollow cylinder, such as a blank for a screen printing stencil, a laser processing head is arranged on a carriage which is parallel to the longitudinal axis of the hollow cylinder to be machined.
  • a support bearing for the hollow cylinder on the carriage firmly mounted so that it moves together with the carriage in the axial direction of the hollow cylinder.
  • the support device comprises a substantially semicircular lower bearing bracket and a quarter-circle upper bearing bracket, which is pivotally mounted to allow the automatic insertion of a hollow cylinder.
  • the lower bearing bracket which may be equipped with a plurality of bearing rollers, has a substantially U-shaped profile which is closed at the front ends, so that a suction channel is formed, which can be connected via a corresponding suction to a suitable suction to to create a slight negative pressure in the suction groove, which ensures that the hollow cylinder is held in reliable contact with the lower bearing bracket of the support device to ensure safe, vibration-free guidance of the hollow cylinder in its respective processing area, so that a precise laser machining is possible ,
  • a device for laser engraving a printing cylinder which has a laser engraving head, in front of a focusing lens, a chamber is arranged, the compressed air is supplied, which emerges together with the focused laser beam through an opening. Between a conical front wall of the chamber and this workpiece side covering cap gaps are provided through which passes a portion of the compressed air to suction, to which a suction pipe is connected.
  • the DE 39 23 829 describes a rotationally symmetrical suction hood for a laser processing head, with the aid of which a workpiece is machined, in particular cut or material is removed.
  • the suction hood is connected to a suction device to remove reaction products from the interaction region between the laser beam and the workpiece.
  • the cover has means for generating an air curtain, which closes an annular gap between the end face of the hood and the workpiece.
  • the invention is based on the object to provide a further suction device of the aforementioned, with the forming during engraving erosion and / or decomposition products can be reliably removed from the interaction region between the laser beam and the workpiece, so that a deposition of these products on the workpiece and / or the suction device is almost completely prevented.
  • a suction device which has a hood covering an interaction region between radiation and workpiece surface in its operating position that the Bonnet a rear side, on which a suction line is lockable, two side walls having end edges, which lie in the operating position of the hood to the workpiece, and two extending between the side walls transversely to these extending baffles, which together with the two side walls in the Hood defining a suction channel with an inlet opening, which is in the operating position of the hood to the workpiece, wherein one of the two baffles in the operating position of the hood the workpiece with an edge opposite, while the other baffle one in the operating position of the hood of the workpiece surface has opposite convex cylindrical curvature and in the region of this curvature at least one opening, is guided by the radiation for machining the workpiece surface.
  • the hood of the suction device Due to the inventive design of the hood of the suction device, in particular by the convex cylindrical curvature with which one of the two baffles of the suction is the interaction region between the radiation and the workpiece surface, results in this area a smooth, turbulence-free, very fast air flow in the interaction or engraved area from the workpiece surface entrained particles and / or decomposition products entrains and discharges through the suction channel. In this way it is prevented that particles dissolved out of the workpiece and / or decomposition products, such as aerosols, may deposit on the workpiece.
  • even very fine structures can be engraved in the workpiece surface, as z. B. in stencils, especially in flexographic printing more and more required.
  • the suction device according to the invention also makes it possible, in particular, to suck off sticky aerosols which are produced by laser radiation in addition to smoke and steam when the flexographic printing blanks are engraved.
  • sticky aerosols are difficult to wash out if they are deposited in the engraved areas and thus worsen especially fine print image structures considerably.
  • the end edges of the two side walls are provided with a contour which corresponds to the contour of the Surface of a workpiece to be machined is adjusted so that corresponding gap seals are formed when the end edges in the operating position of the hood facing the workpiece.
  • the curvature of the curved guide wall is curved in a circular arc, wherein the curvature of the curvature of the curved guide wall is advantageously greater than the curvature of the surface of the workpiece.
  • the curvature of the curved guide wall can also be exponentially curved in order to set certain velocity profiles of the flow in the suction channel.
  • An expedient development of the invention is characterized in that the opening or openings through which the radiation is guided for processing of the workpiece, is provided in the region of the curved guide wall, which is in the operating position of the hood of the surface of the workpiece closest.
  • the contour of the end edges of the side walls is a contour of the workpiece surface adapted polygonal or circular arc.
  • An advantageous embodiment of the invention is characterized in that the distance between the end edges of the side walls and the workpiece surface in the operating position of the hood is less than 50 mm, preferably less than 30 mm, in particular less than 10 mm but greater than 0.5 mm and particularly preferably between 1 mm and 5 mm, wherein the width of the gap seals formed between the end edges of the side walls and the workpiece surface is in the range between 0.1 mm and 30 mm.
  • the hood is attached to a working laser head interchangeable, so that when machining cylindrical workpieces with different diameters each have a hood of a plurality of hoods selected and attached to the working laser head, whose side walls have end edges with a contour which is adapted to the contour of the surface of each workpiece to be processed as best as possible.
  • a preferred embodiment of the invention is characterized in that on the side walls of the hood means, in particular movable blades or replaceable side parts are provided, with which the contour of a workpiece opposite edges of the side walls can be changed to these to the surface of the workpiece adapt.
  • a C-shaped covering ring is provided with two circumferential ends lying opposite one another at a distance Has substantially U-shaped cross section, wherein the hood is disposed adjacent to one of the two circumferential ends of the cover ring.
  • the C-shaped cover ring can thereby extend partially or almost completely around a cylindrical workpiece. In the latter case, its two circumferential ends are adjacent to the hood. In the former case, it can extend over 90 °, 120 °, 180 °, or any other angular range sufficient to capture and extract smoke, fumes, or small particles.
  • the C-shaped cover ring is exchangeable, so that when machining cylindrical workpieces with different diameters each a cover of a plurality of cover rings is selected and used, the inner diameter is adapted to the diameter of each cylindrical workpiece to be processed bestong ,
  • means for reducing its free inner diameter are provided on the side walls of the C-shaped cover so that it is adjustable according to the diameter of the respective cylindrical workpiece to be processed.
  • the means for reducing the free inner diameter of the C-shaped cover ring comprise a lamellar seal whose individual lamellae are pivotally mounted on the side walls of the cover ring.
  • the means for reducing the free inner diameter of the C-shaped cover ring can also be formed by exchangeable side parts, in particular side plates.
  • the C-shaped cover ring is circumferentially divided into at least two ring segments, which are pivotally held together.
  • the C-shaped cover ring is preferably divided circumferentially into three ring segments of different circumferential length, wherein the circumferential length of an upper ring segment approximately half the circumferential length of the cover corresponds, while the lower ring portion has two shorter ring segments.
  • a suction nozzle is arranged in a fluidly located in front of the hood space between the hood and a circumferential end of the C-shaped cover.
  • the suction device as an essential element comprises a hood 10 at the rear side 11, a connecting piece 12 for a in FIG. 3 only schematically indicated suction line 13 is attached.
  • a suction passage 14 which extends from an inlet port 15 to the spud 12 and which is delimited by two side walls 16 and two baffles 17, 18 extending transversely therebetween between the side walls 16.
  • the two side walls 16 have the inlet opening 15 laterally limiting end edges 19, whose contour is substantially adapted to the contour of a workpiece to be machined by means of radiation.
  • the workpiece has a cylindrical shape with a circular cross-section. Accordingly, the end edges 19 have a substantially circular arc-shaped contour, which adapts to the circumference of the workpiece 20, so that between the end edges 19 and the workpiece 20, a gap seal is formed, the sealing effect is better, the smaller the distance between the end edges nineteenth from the surface of the workpiece 20 and the wider the end edges 19 are.
  • This distance is expediently less than 50 mm, preferably less than 30 mm and should be between 0.5 mm and 10 mm, in particular between 1 mm and 5 mm.
  • the end edges 19 have a greater width in the axial direction of the cylindrical workpiece.
  • the greater width of the end edges 19 can be effected simply by a greater thickness of the side walls 16.
  • the width of the end edges 19 or of the widening flanges expediently lies in a range of 0.1 mm to 20 or 30 mm.
  • the side walls In order to keep the distance between the end edges 19 and the surface of the workpiece 20 in the desired range, if cylinders are to be processed with different diameters, various hoods may be provided, the side walls have end edges with each adapted to a specific diameter range curvatures. But it is also conceivable to provide on the side walls adjustable louvered fan or the like, which can be moved close to the latter with larger distances between the end edges and the workpiece surface.
  • the lower guide wall 17 in the drawing faces the surface of the workpiece 20 with an edge 21 adjoined by a wall 22 extending away from the inlet opening 15 and extending between the side walls 16 and the surface opposite the workpiece corresponding to a concave curvature the contour of the end edges 19 of the side walls 16 has.
  • the wall 22 thus forms with the surface of the workpiece 20 another, the inlet opening 15 delimiting gap seal.
  • this is formed like a blade.
  • the upper guide wall 18 in the drawing has a convexly curved surface opposite the workpiece 20, the curved guide wall 18 where it is due to its curvature of the workpiece 20 closest to at least one opening 23 through which radiation for machining the workpiece surface, preferably a working laser beam 24 is passed (see FIG. 3 ).
  • the curved guide wall 18 forms together with the workpiece 20 an intake gap 25 whose narrowest point in the region of the openings 23 for the passage of the working laser beam and thus in the region of an interaction region between working laser beam 24 and workpiece 20.
  • this narrowest area of the suction gap 25 slightly upstream of the interaction or engraving area with respect to the airflow sucked through the gap.
  • the opening or openings 23 are designed so small that the radiation does not hinder, but not disturb the flow.
  • the suction gap 25 comprises in the flow direction before its narrowest point in a cross-section in FIG. 3
  • the convex curvature of the curved guide wall 18 can have, for example, an arcuate curvature, but it is also possible for the curvature of the curvature of the curved guide wall to be curved 18 according to the contour of the workpiece 20 to be selected so that the speed of the air flow in the constriction of the suction gap 25 is high enough to entrain there existing Abtrag- and decomposition products behind the bottleneck of the suction gap 25, the flow rate should remain so high that Precipitation of the entrained removal and decomposition products is practically impossible.
  • Fig. 1 As in Fig. 1 can be seen, are in the region of the funnel-shaped tapered portion 25 'of the suction gap 25 adjacent, but with a small distance from the side walls 16 in the direction of flow extending guide ribs 16' are provided to further smooth the incoming air flow.
  • the curvature of the curved guide wall is exponentially curved in order to set certain speed profiles of the flow in the suction channel, the z. B. allow higher flow rates and thus prevent deposition of decomposition products as far as possible.
  • the structure of the hood 10 of the suction device according to the invention ie in particular the structure of the suction channel 14 delimiting walls 16, 17, 18 and the structure of the inlet opening 15 delimiting gap seals together with the suction 25 ensures that in particular in the suction 25th a smooth flow with high flow velocity without turbulence occurs, which allows the reliable removal of erosion and decomposition products such as aerosols, smoke and steam from the engraving area during the machining of the workpiece 20.
  • a mounting wall 27 is provided with a mounting opening 28 and mounting holes 29, with which the hood 10 on a working laser head 30 in particular interchangeable so fastened that a nozzle-shaped outlet section 31 for one or as shown Embodiment three working laser beams 24 protrudes through the mounting hole 28 and the openings 23 in the curved guide wall 18 so opposite that the laser beam or 24 can be focused through the openings 23 through the workpiece surface.
  • the cylindrical workpiece 20 In order to engrave by means of radiation a relief in the surface of a workpiece, in particular in the surface of a cylindrical workpiece, such as a cylindrical stencil or a cylindrical flexographic printing plate, the cylindrical workpiece 20 is rotated on its one hand about its axis, while a relative movement between working laser head 30th and the cylindrical workpiece 20 in the axis direction.
  • a relative movement between working laser head 30th and the cylindrical workpiece 20 in the axis direction depending on the configuration of the processing device, either the cylindrical workpiece 20 can be displaced relative to the stationary working laser head 30, but it is also conceivable that the cylindrical workpiece 20 is fixedly mounted in the axial direction, while the working laser head 30 is moved parallel to the workpiece axis.
  • each point of the workpiece surface can be acted upon by a correspondingly pulsed working laser beam 24, which is focused on the surface of the workpiece 20, depending on the desired relief.
  • the volume flow is preferably at least 0.5 m 3 / g and in particular at least 1.0 m 3 / g.
  • a laser apparatus average size as used in particular for the direct engraving of flexographic printing plates, for example, engraved at a speed of 1 m 2 / h, which provides a material removal of 500 to 1,000 g / m 2 .
  • the suction device according to the invention should work with a suction power of at least 50 to 100 m 3 / h, preferably at least 250 to 500 m 3 / h and in particular with at least 500 to 1000 m 3 / h or more.
  • This extraction device is used in the engraving of materials which after the Laseraufschlagung still afterglow for a short time, but at the high processing speeds, ie the high speeds of the cylinder to be machined causes engraved areas over a quarter or even half Afterglow of the cylindrical workpiece 20, resulting in smoke not only in the engraving area and in the region of the inlet port 15 of the suction channel 14, but also beyond.
  • the described suction device as in FIG. 4 shown, used together with a substantially C-shaped cover ring 40 having a substantially U-shaped profile with mutually opposite side walls 41 and a bottom wall 42 which connects the side walls 41 in the outer peripheral region of the cover 40 together.
  • a cover ring 40 is moved together with the laser processing head 30 and the hood 10 along a fixed cylindrical workpiece 20
  • the cover ring 40 is thus always arranged in the region of the laser processing head 30, ie in the region of the interaction zone between radiation and workpiece with respect to the axial direction of the cylindrical workpiece, regardless of whether it is moved together with the laser working head 30 or how this is permanently mounted.
  • the cover ring 40 may be formed as a non-articulated ring, as for example in FIG. 10 is shown. However, it is preferred that the cover ring 40 of two or, as in FIG. 4 shown, there are three segments which are connected by hinges 44 so that the cover ring 40, as in FIG. 8 shown, can be opened to the front of the machine, so that a cylindrical workpiece 20 can be easily and preferably automatically inserted into the engraving machine. After inserting a cylindrical workpiece in the engraving machine, so after the workpiece 20 on corresponding jaws 50, of which in FIG. 8 is shown held, the cover ring 40 is closed, as shown in FIG. 4 . 5 and 9 is shown for cylindrical workpieces 20 of different diameters.
  • FIG. 9 is as well as in FIG. 10 to recognize that the covering ring 40 according to the invention is equipped with a viewing window 45 through which the machining process can be monitored visually.
  • an additional suction nozzle 47 may be arranged. This suction nozzle 47 is particularly advantageous if, as in FIG. 5 shown, a workpiece 20 to be processed with a much smaller diameter.
  • the suction nozzle 47 is left in the outer region of the annular channel, while on the suction gap 25 air from the inner region of the annular channel is sucked off.
  • the cover ring 40 equipped with lamellar seals 48, the individual fins 49 are pivotally supported on the side walls 41 of the cover 40.
  • Lamellae seals 48 may also be designed in the manner of irises, as they are known, for example, from optical diaphragms.
  • exchangeable cover rings 40 which have different free inner diameters, so that in each case a suitable cover ring 40 can be selected according to the workpiece diameter.
  • replaceable side plates may be provided which may be attached to the sidewalls 41 of the cover ring 40 to optionally reduce the gap 46 in a required and / or desired manner.
  • FIGS. 6a and 6b are shown, so can outside the range of working laser head 30 and hood 10 of the suction device (in the FIGS. 6a, 6b and 7 not shown) adjust the lateral seal of the annular channel formed between the cover ring and the workpiece to each workpiece diameter.
  • FIG. 7 shows the blade seal 48 in its fully retracted position, while the Figures 6a and 6b show them in a widely extended state.
  • the suction device according to the invention has hitherto been described together with a working laser head 30 which supplies three working laser beams 24 for machining a workpiece 20.
  • a working laser head 30 which provides more or less than three beams for workpiece machining.
  • FIG. 10 a hood 10 of a suction device according to the invention is shown, which has only a single opening 23 in its curved guide wall 18, and is thus intended for use on a working laser head 30, which provides only a single working laser beam.
  • the suction device according to the invention is not limited to use on processing machines for processing, in particular the engraving of printing plates, but can be used wherever in the laser processing of a workpiece decomposition and removal products from the area of an interaction zone between a radiation and a workpiece sucked Need to become.
  • the apparatus of the present invention may also be adapted for machining planar workpieces where relative movement between the work laser head and the workpiece occurs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Manufacturing & Machinery (AREA)
  • Laser Beam Processing (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Jigs For Machine Tools (AREA)

Claims (22)

  1. Système d'aspiration pour un dispositif destiné à structurer une surface d'une pièce à oeuvrer (20), en particulier une forme d'impression comme par exemple un cliché de flexographie, au moyen d'un rayonnement, en particulier d'un rayonnement laser, comprenant :
    - un capot (10) qui, dans sa position de fonctionnement, recouvre une zone d'interaction entre le rayonnement et la surface de la pièce à oeuvrer, qui présente :
    -- une face postérieure (11) à laquelle peut être raccordée une conduite d'aspiration (13),
    -- deux parois latérales (16), qui présentent des arêtes frontales (19) qui sont opposées à la pièce à oeuvrer dans la position de fonctionnement du capot, et
    -- deux parois de guidage (17, 18), qui s'étendent entre les parois latérales (16) transversalement à ces dernières et qui, conjointement avec les deux parois latérales (16), délimitent dans le capot (10) un canal d'aspiration (14) avec une ouverture d'entrée (15) qui se trouve à l'opposé de la pièce à oeuvrer dans la position de fonctionnement du capot, l'une des deux parois de guidage (17) étant opposée à la pièce à oeuvrer (21) par une arête (21), dans la position de fonctionnement du capot (10), alors que l'autre paroi de guidage (18) présente un bombement cylindrique convexe opposé à la surface de la pièce à oeuvrer, dans la position de fonctionnement du capot, ainsi qu'au moins une ouverture (23) dans la zone de ce bombement, à travers laquelle est mené le rayonnement pour l'usinage de la surface de la pièce à oeuvrer.
  2. Système d'aspiration selon la revendication 1, caractérisé en ce que les arêtes frontales (19) des deux parois latérales (16) présentent un contour concave en forme d'arc de cercle.
  3. Système d'aspiration selon la revendication 1 ou 2, caractérisé en ce que le bombement de la paroi de guidage bombé (18) est incurvé en forme d'arc de cercle.
  4. Système d'aspiration selon la revendication 3, caractérisé en ce que la courbure du bombement de la paroi de guidage bombé (18) est plus forte que la courbure de la surface de la pièce à oeuvrer (20).
  5. Système d'aspiration selon la revendication 1 ou 2, caractérisé en ce que le bombement de la paroi de guidage bombé (18) est incurvé de façon exponentielle.
  6. Système d'aspiration selon l'une des revendications précédentes, caractérisé en ce que l'ouverture ou les ouvertures (23) à travers laquelle/lesquelles est mené le rayonnement pour l'usinage de la pièce à oeuvrer (20) est/sont prévue(s) dans la zone de la paroi de guidage bombé (18) qui se trouve au plus proche de la surface de la pièce à oeuvrer (20) dans la position de fonctionnement du capot (10).
  7. Système d'aspiration selon la revendication 2, caractérisé en ce que le contour des arêtes frontales (19) des parois latérales (16) est un tracé polygonal adapté au contour de la surface de la pièce à oeuvrer.
  8. Système d'aspiration selon la revendication 2, caractérisé en ce que le contour des arêtes frontales (19) des parois latérales (16) est un arc circulaire adapté au contour de la surface de la pièce à oeuvrer.
  9. Système d'aspiration selon l'une des revendications 2, 7 ou 8, caractérisé en ce que la distance entre les arêtes frontales (19) des parois latérales (16) et de la surface de la pièce à oeuvrer, dans la position de fonctionnement du capot (10), est inférieure à 50 mm, de préférence inférieure à 30 mm, en particulier inférieure à 10 mm mais supérieure à 0,5 mm, et de manière particulièrement préférée, elle est entre 1 mm et 5 mm.
  10. Système d'aspiration selon l'une des revendications 2 ou 7 à 9, caractérisé en ce que la largeur des joints d'intervalle formés entre les arêtes frontales (19) des parois latérales (16) et la surface de la pièce à oeuvrer est dans la plage entre 0,1 mm et 30 mm.
  11. Système d'aspiration selon l'une des revendications 2 ou 7 à 10, caractérisé en ce que le capot (10) est fixé de manière interchangeable sur une tête de travail à laser (30).
  12. Système d'aspiration selon l'une des revendications 2 ou 7 à 11, caractérisé en ce que sur les parois latérales (16) du capot sont prévues des moyens, en particulier des lamelles mobiles ou des pièces latérales interchangeables, au moyen desquels le contour des arêtes, situées à l'opposé d'une pièce à oeuvrer (20), des parois latérales (16) peut être modifié, pour adapter celui-ci à la surface de la pièce à oeuvrer (20).
  13. Système d'aspiration selon l'une des revendications précédentes, caractérisé en ce que dans la zone de la paroi de guidage bombée (18) qui, dans la position de fonctionnement du capot (10), se trouve au plus proche de la surface de la pièce à oeuvrer (20), pour chaque rayonnement de travail fourni par une tête d'usinage, en particulier pour chaque rayonnement de travail à laser (24) fourni par une tête de travail à laser (30), il est prévu une propre ouverture (23) à travers laquelle le rayonnement pour l'usinage de la pièce à oeuvrer (20) est focalisé sur celle-ci.
  14. Système d'aspiration selon l'une des revendications précédentes, caractérisé en ce qu'il est prévu une bague de couverture (40) en forme de C avec deux extrémités agencées à distance à l'opposé l'une de l'autre en sens périphérique, qui présentent une section sensiblement en forme de U, et en ce que le capot (10) est agencé au voisinage de l'une des deux extrémités, en sens périphérique, de la bague de couverture (40).
  15. Système d'aspiration selon la revendication 14, caractérisé en ce que la bague de couverture (40) en forme de C est interchangeable.
  16. Système d'aspiration selon la revendication 14, caractérisé en ce que, sur les parois latérales (41) de la bague de couverture en forme de C (40), sont prévus des moyens pour réduire son diamètre intérieur libre, de sorte que celui-ci peut être réglé en correspondance du diamètre de la pièce à oeuvrer cylindrique (20) respective à usiner.
  17. Système d'aspiration selon la revendication 16, caractérisé en ce que les moyens pour réduire le diamètre intérieur libre de la bague de couverture en forme de C comprennent un joint à lamelles (48).
  18. Système d'aspiration selon la revendication 17, caractérisé en ce que les lamelles individuelles (49) du joint à lamelles (48) sont fixées de manière pivotante sur les parois latérales (41) de la bague de couverture (40).
  19. Système d'aspiration selon la revendication 16, caractérisé en ce que les moyens pour réduire le diamètre intérieur libre de la bague de couverture en forme de C comprennent des pièces latérales, en particulier des plaques latérales, interchangeables.
  20. Système d'aspiration selon l'une des revendications 14 à 19, caractérisé en ce que la bague de couverture en forme de C (40) est subdivisé en sens périphérique en au moins deux segments annulaires qui sont maintenus l'un sur l'autre avec possibilité de pivotement.
  21. Système d'aspiration selon la revendication 20, caractérisé en ce que la bague de couverture en forme de C (40) est subdivisée en sens périphérique en trois segments annulaires présentant des longueurs périphériques différentes, la longueur périphérique d'un segment annulaire supérieur correspondant approximativement à la moitié de la longueur périphérique de la bague de recouvrement (40), tandis que le tronçon annulaire inférieur comprend deux segments annulaires plus courts.
  22. Système d'aspiration selon l'une des revendications 14 à 20, caractérisé en ce qu'une buse d'aspiration (47) est agencée dans un espace intermédiaire, disposé en termes d'écoulement avant le capot (10), entre le capot (10) et une extrémité périphérique de la bague de couverture en forme de C (40).
EP04731176A 2003-11-27 2004-05-05 Systeme d'aspiration pour un dispositif servant a structurer une surface d'une piece a usiner au moyen d'un rayonnement Expired - Lifetime EP1727674B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10355996A DE10355996A1 (de) 2003-11-27 2003-11-27 Verfahren zur Herstellung von Flexodruckplatten mittels Lasergravur sowie dazu ge-eignete Vorrichtung
PCT/EP2004/004789 WO2005061233A1 (fr) 2003-11-27 2004-05-05 Systeme d'aspiration pour un dispositif servant a structurer une surface d'une piece a usiner au moyen d'un rayonnement

Publications (2)

Publication Number Publication Date
EP1727674A1 EP1727674A1 (fr) 2006-12-06
EP1727674B1 true EP1727674B1 (fr) 2008-11-26

Family

ID=34625441

Family Applications (2)

Application Number Title Priority Date Filing Date
EP04731176A Expired - Lifetime EP1727674B1 (fr) 2003-11-27 2004-05-05 Systeme d'aspiration pour un dispositif servant a structurer une surface d'une piece a usiner au moyen d'un rayonnement
EP04731147A Expired - Lifetime EP1727673B1 (fr) 2003-11-27 2004-05-05 Systeme d'aspiration pour un dispositif servant a structurer une surface d'une piece a usiner au moyen d'un rayonnement

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP04731147A Expired - Lifetime EP1727673B1 (fr) 2003-11-27 2004-05-05 Systeme d'aspiration pour un dispositif servant a structurer une surface d'une piece a usiner au moyen d'un rayonnement

Country Status (7)

Country Link
US (2) US20070107252A1 (fr)
EP (2) EP1727674B1 (fr)
JP (2) JP4619365B2 (fr)
CN (2) CN100551696C (fr)
AT (2) ATE415274T1 (fr)
DE (3) DE10355996A1 (fr)
WO (2) WO2005061233A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10355996A1 (de) * 2003-11-27 2005-06-30 Stork Prints Austria Gmbh Verfahren zur Herstellung von Flexodruckplatten mittels Lasergravur sowie dazu ge-eignete Vorrichtung
US7638852B2 (en) * 2006-05-09 2009-12-29 Taiwan Semiconductor Manufacturing Company, Ltd. Method of making wafer structure for backside illuminated color image sensor
US7947919B2 (en) 2008-03-04 2011-05-24 Universal Laser Systems, Inc. Laser-based material processing exhaust systems and methods for using such systems
EP2119527A1 (fr) * 2008-05-16 2009-11-18 Kba-Giori S.A. Procédé et système pour la fabrication de plaques d'impression en creux pour la production de papiers sécurisés
DE102008058310B3 (de) * 2008-11-18 2010-06-17 Jenoptik Automatisierungstechnik Gmbh Vorrichtung zum Randentschichten beschichteter Substrate und Trennen in einzelne Module
DE102010027638B4 (de) * 2010-07-19 2012-04-12 Christoph Deininger Vorrichtung zum Bearbeiten von Rohren mittels eines Laserstrahls
JP5725789B2 (ja) * 2010-10-19 2015-05-27 株式会社アマダ レーザ加工機
US8893450B2 (en) * 2011-05-11 2014-11-25 Ron Zohar Methods and devices for making a building block for mortar-free construction
DE102011119171B3 (de) * 2011-11-23 2013-02-21 Khs Gmbh Vorrichtung zur Behandlung von Behältern mit einer Absaugvorrichtung
US9259802B2 (en) 2012-07-26 2016-02-16 Electro Scientific Industries, Inc. Method and apparatus for collecting material produced by processing workpieces
JP6171546B2 (ja) * 2013-05-09 2017-08-02 大日本印刷株式会社 レーザ加工煙清浄装置、レーザ加工装置
WO2016027186A1 (fr) * 2014-08-19 2016-02-25 Koninklijke Philips N.V. Collecteur de saphir destiné à réduire les dommages mécaniques lors du décollement laser au niveau d'une puce
JP5923639B2 (ja) * 2015-03-31 2016-05-24 株式会社アマダホールディングス レーザ加工機
JP6807334B2 (ja) * 2015-05-13 2021-01-06 ルミレッズ ホールディング ベーフェー ダイレベルのリフトオフの最中におけるメカニカルダメージを低減するためのサファイアコレクタ
CN106356944A (zh) * 2016-10-14 2017-01-25 四川超影科技有限公司 巡检机器人自动充电激光对准系统和对准方法
DE102019119466A1 (de) 2019-07-18 2021-01-21 Laser Zentrum Hannover E.V. Vorrichtung zur Laser-Strukturierung einer Oberfläche einer Durchgangsöffnung in einem Bauteil
CN114750309A (zh) * 2022-05-23 2022-07-15 业成科技（成都）有限公司 集尘装置和方法

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986004282A1 (fr) * 1985-01-15 1986-07-31 Dr.-Ing. Rudolf Hell Gmbh Chambre a vide, etanche a la pression, pour une machine de gravure par faisceau electronique utilisee pour la production de cylindres d'impression pour l'industrie graphique
JPS6420984U (fr) * 1987-07-29 1989-02-01
DE3923829A1 (de) * 1989-07-19 1991-01-31 Fraunhofer Ges Forschung Absauganlage
AT393979B (de) * 1989-11-07 1992-01-10 Kufstein Schablonentech Gmbh Vorrichtung zum bearbeiten von hohlzylindern mittels eines lasers
US5097401A (en) * 1990-07-09 1992-03-17 Ross Eppler Indirect lighting modifiers for use with fluorescent fixtures
NL9002398A (nl) * 1990-11-02 1992-06-01 Atlantic Point Inc Inrichting voor het aan elkaar lassen van pijpen.
JP2530944B2 (ja) * 1991-02-28 1996-09-04 中小企業事業団 レ―ザ―加工方法及び装置
JPH04339587A (ja) * 1991-05-14 1992-11-26 Kobe Steel Ltd Ｙａｇレーザ加工装置
DE59202409D1 (de) * 1992-03-27 1995-07-06 Kufstein Schablonentech Gmbh Vorrichtung zum Bearbeiten dünnwandiger Hohlzylinder mittels eines Laserstrahls.
DE4331262C2 (de) * 1993-09-15 1996-05-15 Wissner Rolf Lasermaschine zur Bearbeitung eines Werkstücks und Verfahren zur Steuerung einer Lasermaschine
DE4342954C2 (de) * 1993-12-16 1998-01-22 Roland Man Druckmasch Verfahren zum Herstellen und Löschen einer löschbaren Hochdruckform, Vorrichtung zur Durchführung des Verfahrens und deren Verwendung
IT1268925B1 (it) * 1994-04-12 1997-03-13 Syfal Srl Apparecchiatura per l'incisione di matrici cilindriche in gomma.
JPH09281296A (ja) * 1996-04-10 1997-10-31 Ishikawajima Harima Heavy Ind Co Ltd レーザ除染装置
JPH10331434A (ja) * 1997-06-02 1998-12-15 Taisei Corp コンクリート壁面の削孔方法
US6305284B1 (en) * 1997-08-15 2001-10-23 Asahi Kasei Kabushiki Kaisha Method and apparatus for making an offset printing plate
AT408632B (de) * 1998-01-29 2002-01-25 Trodat Gmbh Bearbeitungskopf für eine lasergravier- bzw. -schneidvorrichtung
JPH11264949A (ja) * 1998-03-16 1999-09-28 Canon Inc 光偏向器
IT1310833B1 (it) * 1999-09-28 2002-02-22 Sergio Sighinolfi Apparato per incidere un rullo da stampa con un raggio laser
DE10006298A1 (de) * 2000-02-12 2001-08-16 Abb Patent Gmbh Dichtung für umlaufende Teile
DE10016534C2 (de) * 2000-04-03 2002-11-21 Rexam Ab Malmoe Verfahren und Vorrichtung zum Staubschutz in einer Laserbearbeitungsvorrichtung
US6384372B1 (en) * 2000-07-20 2002-05-07 Advanced Micro Devices, Inc. Method and system for dust and fume removal in laser marking machines
JP2003156856A (ja) * 2001-11-21 2003-05-30 Fuji Photo Film Co Ltd クズ除去機構
DE10305258A1 (de) * 2002-02-08 2003-08-21 Creo Inc Verfahren und Vorrichtung zum Schutz von optischen Elementen
JP4354219B2 (ja) * 2003-06-20 2009-10-28 大日本スクリーン製造株式会社 画像記録装置
DE10355996A1 (de) * 2003-11-27 2005-06-30 Stork Prints Austria Gmbh Verfahren zur Herstellung von Flexodruckplatten mittels Lasergravur sowie dazu ge-eignete Vorrichtung

Also Published As

Publication number Publication date
DE502004008555D1 (de) 2009-01-08
EP1727673A1 (fr) 2006-12-06
EP1727673B1 (fr) 2008-11-26
WO2005061232A1 (fr) 2005-07-07
US20070107252A1 (en) 2007-05-17
ATE415274T1 (de) 2008-12-15
CN1886263A (zh) 2006-12-27
DE10355996A1 (de) 2005-06-30
ATE415275T1 (de) 2008-12-15
CN1886264A (zh) 2006-12-27
DE502004008554D1 (de) 2009-01-08
CN100551696C (zh) 2009-10-21
WO2005061233A1 (fr) 2005-07-07
JP2007512139A (ja) 2007-05-17
EP1727674A1 (fr) 2006-12-06
JP4619365B2 (ja) 2011-01-26
CN100551695C (zh) 2009-10-21
JP2007512556A (ja) 2007-05-17
JP4567002B2 (ja) 2010-10-20
US20070108167A1 (en) 2007-05-17

Similar Documents

Publication Publication Date Title
EP1727674B1 (fr) Systeme d'aspiration pour un dispositif servant a structurer une surface d'une piece a usiner au moyen d'un rayonnement
EP0407969B1 (fr) Procédé et dispositif pour réaliser des espaces creux dans les pièces à usiner au moyen d'un faisceau laser
DE102014210838A1 (de) Einkoppeloptik, Laserschweißkopf und Laserschweißvorrichtung mit Vakuumkammer
EP2349636B1 (fr) Buse d'usinage laser pour usiner des tôles ; machine de coupage laser avec une buse correspondante
EP0427004B1 (fr) Appareil pour le traitement d'un cylindre creux avec un laser
DE4210518C2 (de) Kopf für Laserfräs- und -graviermaschinen für die Bearbeitung von im wesentlichen plattenförmigem Gut
EP4035823A1 (fr) Procédé d'usinage par faisceau d'une pièce tabulaire ou tubulaire
WO2020104202A1 (fr) Flux radial sur une base de construction
WO2016020411A1 (fr) Procédé et dispositif de découpe pour un usinage de séparation d'une pièce
EP2099585B1 (fr) Dispositif et procédé pour grenailler la surface d'une pièce de turbine à gaz
EP4103349B1 (fr) Traceur laser et procédé pour faire fonctionner un traceur laser
DE102010038035A1 (de) Vorrichtung zur materialabtragenden Werkstückbearbeitung mit einer nach dem Bernoulli-Prinzip kontaktlos arbeitenden Werkstückhalteeinrichtung
DE10152401A1 (de) Fräsmaschine mit einem Spanabsauggehäuse
DE19840934B4 (de) Anordnung zum Entfernen von Material, das durch eine Laserstrahlungsquelle bei der Materialbearbeitung von einer Bearbeitungsfläche abgetragen wird
DE102013214925A1 (de) Einhausung für einen Strahlengang, Bearbeitungskammer und Verfahren zur Laserbearbeitung
EP2277654B1 (fr) Procédé et dispositif de protection contre les projections lors du soudage de pièces usinées creuses
DE10016534C2 (de) Verfahren und Vorrichtung zum Staubschutz in einer Laserbearbeitungsvorrichtung
EP1509342B1 (fr) Dispositif de nettoyage a sec de pieces
DE29816109U1 (de) Anordnung zum Entfernen von Material, das durch eine Laserstrahlungsquelle bei der Materialbearbeitung von einer Bearbeitungsfläche abgetragen wird
EP1360035B1 (fr) Ensemble turbine de sablage
EP0473932B1 (fr) Dispositif pour la fragmentation du copeau intérieur des tuyaux soudés longitudinalement
DE102019126697B4 (de) Vorrichtung zur Bearbeitung eines Substrats mittels eines Laserstrahls
DE102010038037A1 (de) Vorrichtung zur materialabtragenden Werkstückbearbeitung mit einer nach dem Bernoulli-Prinzip kontaktlos arbeitenden Werkstückhalteeinrichtung
EP1293290B1 (fr) Dispositif pour usiner une pièce avec enlèvement de copeaux
EP4240555A1 (fr) Procédé de coupe de tôles d'acier

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20060616

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REF Corresponds to:

Ref document number: 502004008555

Country of ref document: DE

Date of ref document: 20090108

Kind code of ref document: P

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090308

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20081126

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20081126

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20081126

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20081126

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20081126

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090226

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20081126

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20081126

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20081126

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090226

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090427

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20081126

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20090827

BERE Be: lapsed

Owner name: STORK PRINTS AUSTRIA GMBH

Effective date: 20090531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090531

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090531

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090531

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20100129

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090602

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090505

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090227

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20081126

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090505

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090527

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20081126

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20110420

Year of fee payment: 8

Ref country code: NL

Payment date: 20110429

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20081126

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20110527

Year of fee payment: 8

REG Reference to a national code

Ref country code: NL

Ref legal event code: V1

Effective date: 20121201

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20120505

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502004008555

Country of ref document: DE

Effective date: 20121201

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20121201

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120505

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20121201