[go: up one dir, main page]

EP2990365B1 - Machine de traitement d'un materiau en bande - Google Patents

Machine de traitement d'un materiau en bande Download PDF

Info

Publication number
EP2990365B1
EP2990365B1 EP15174055.2A EP15174055A EP2990365B1 EP 2990365 B1 EP2990365 B1 EP 2990365B1 EP 15174055 A EP15174055 A EP 15174055A EP 2990365 B1 EP2990365 B1 EP 2990365B1
Authority
EP
European Patent Office
Prior art keywords
roller
web
web material
machine according
counter
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
EP15174055.2A
Other languages
German (de)
English (en)
Other versions
EP2990365A1 (fr
Inventor
Christa Dettke
Christoph Dettke
Hubertus Dettke
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2990365A1 publication Critical patent/EP2990365A1/fr
Application granted granted Critical
Publication of EP2990365B1 publication Critical patent/EP2990365B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/02—Conveying or guiding webs through presses or machines
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H27/00—Special constructions, e.g. surface features, of feed or guide rollers for webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/4165—Unwinding or winding material from or to one station in which the material is stored
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/419—Winding, unwinding from or to storage, i.e. the storage integrating winding or unwinding means
    • B65H2301/4193—Winding, unwinding from or to storage, i.e. the storage integrating winding or unwinding means for handling continuous material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/513—Modifying electric properties
    • B65H2301/5133—Removing electrostatic charge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2401/00—Materials used for the handling apparatus or parts thereof; Properties thereof
    • B65H2401/20—Physical properties, e.g. lubricity
    • B65H2401/21—Electrical or magnetic properties, e.g. conductivity or resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/18—Rollers composed of several layers
    • B65H2404/186—Rollers composed of several layers with electro-conductive layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/70—Electrical or magnetic properties, e.g. electric power or current
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/171—Physical features of handled article or web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the invention relates to a machine for processing a web material, in particular to a web printing machine or to a machine for web cutting or to a machine for film production (film extrusion) or to a machine for laminating films.
  • the printable web material (printing material) is drawn off from an unwinding roll and, after printing, wound up on a take-up roll or cut into web sections or blanks by a punch, which are stacked on top of one another.
  • the web material is passed between one or more arrangements of a printing cylinder (printing form cylinder) and an impression cylinder (impression roller), which roll in opposite directions on the web material.
  • a printing cylinder printing form cylinder
  • an impression cylinder impression roller
  • the printing cylinder picks up ink from its ink tray in its surface and the excess is scraped off. The ink is transferred to the printing material passing between the impression cylinder and the impression cylinder.
  • the printing unit also comprises a printing cylinder and an impression cylinder, between which the printing material is passed.
  • Flexographic printing is a high-pressure process in which the raised areas of the printing form on the circumference of the printing cylinder are image-bearing.
  • the printing form is inked via an anilox roller, which runs on the circumference of the printing cylinder and to which the ink is fed from an ink tray by means of an immersion roller or via a chamber doctor blade system.
  • ESA electrostatic printing aids
  • an electrical field is generated in the area of the pressure gap between the pressure cylinder and the impression cylinder, which affects the Color exerts a force in the wells of the printing cylinder, which intensifies the transition of the color to the substrate and increases the print quality.
  • the printing cylinder made of a metal is grounded.
  • the impression cylinder has a semiconducting layer on the circumference, to which a high voltage is transmitted, which usually has a negative polarity.
  • Rotogravure printing machines usually have several printing units arranged one behind the other in order to apply different colors to the printing material. It is disadvantageous here that the printing material, as a result of the electrostatic charging by means of electrostatic printing aids or corona pretreatment systems, can assume very high charges which impair subsequent processing. For example, when transporting or cutting a roll that includes the printed substrate, voltage flashovers can occur, which can endanger the printer's workers and damage the substrate. Even if the web-shaped printing material is cut, problems with stacking the web sections and pulling off individual web sections from the stacks, as well as voltage flashovers, which can endanger the printing workers and damage the web material, can occur due to the high loads. This can be observed when using paper as a printing material and increasingly when using plastic films and composite materials, which include plastic, paper and aluminum films, for example.
  • Corona pretreatment systems are used for flexographic printing. This can also lead to charging of the web material and endangering the printing press workers and damage to the web material, in particular if the web material is plastic film or a composite film comprising a plastic film.
  • the US 5,205,212 A describes a printing machine for four-color printing, in which a web is printed from one side in a first station and the web is printed from the opposite side in a second station.
  • the transfer of colors to the substrate is carried out using electrostatic printing aids.
  • the printing units comprise rotogravure cylinders and impression rollers rolling on the periphery of the rotogravure cylinders, which are connected to a high voltage of certain polarity.
  • the impression roller of the last printing unit is connected to a high voltage of positive polarity for the printing of the black color.
  • the charge is fed contactlessly behind the last printing unit via a loading bar which is arranged at a distance from a roller over which the web materials run.
  • the object of the invention is to create a machine for processing a web material which better avoids undesirable charging of the web material.
  • the object is achieved by a machine for processing a web material with the features of claim 1.
  • Advantageous configurations of the machine are specified in the subclaims.
  • the machine for processing a web material has an unwinding roll from which the web material is drawn off, a wind-up roll on which the web material is wound up, or a punch which divides the web material into web sections, at least one device arranged between the unwinding roll and the winding roll or punch Machining of the from the unwind to the reel or punch continuous web material and an arrangement arranged between the last device for processing the web material in the direction of flow of the web material and the take-up roll or punch, consisting of a roller and a counter-roller rolling on the circumference of the roller, the roller at least one outer layer of electrically conductive material
  • Counter roll wherein the roll has at least one outer layer made of electrically conductive material, which is connected to ground, the counter roll has an outer layer made of semiconducting material, there is a device for transferring electrical charge to the outer layer of the counter roll, an electrical high-voltage source with a positive polarity is connected to the device for transferring electrical charges in order to supply positive charge to the outer layer of the counter-roller and to reduce a negative charge on the web material before it is wound up on the take-up reel or broken down into web sections.
  • Roller and counter roller are components of a device for regulating the web tension.
  • Web printing machines, machines for web cutting and other machines for processing a web material are anyway provided with such a device for regulating the web tension in the web material as it passes through the machine.
  • this device for regulating the web tension is additionally used to unload the web material before winding it onto the winding roll. For this purpose, it is basically only necessary to ensure that the roller is carefully grounded and the counter-roller is at least provided with an outer layer of semiconducting material.
  • Roller and counter roller can also be part of a web guiding device for guiding or deflecting the web material.
  • the invention is based on the knowledge that web materials in machines for processing a web material tend to accept negative charges. Especially with longer runs of the web material through the machine or with the action of several devices for processing the web material, it can happen that the web material wound or stacked on the take-up reel has a high negative charge, which puts printing workers at risk when handling the web material.
  • the invention overcomes this disadvantage in that, behind the last device for processing the web material in the direction of travel of the web material, a charge of positive polarity is supplied via an arrangement of roller and counter-roller rolling thereon, which completely or at least partially eliminates the negative charging of the web material. This measure can be used to avoid or reduce to an insignificant extent the risk potential for printing workers from the loaded take-up roll or from the stacked web sections.
  • the arrangement of roller and counter-roller can be arranged outside the potentially explosive area (Ex zone), in particular in the case of a rotogravure printing machine, which makes it possible to supply high positive direct voltages for unloading the web material.
  • the DC voltage discharge system can work outside the Ex zone with charging voltages of + 10 kV and more (e.g. 60 kV).
  • AC discharge electrodes have to be used to avoid dangerous spark discharges.
  • AC discharge electrons are often not suitable for sufficiently neutralizing a negative charge on the web material, in particular at high web speeds and if critical web materials are printed on with regard to electrostatic charge.
  • a drive motor which is connected to the roller or the counter roller.
  • the roller or counter roller it is also possible for the roller or counter roller to be driven by the continuous web material.
  • the device for regulating the web tension preferably has a drive motor which drives the roller or the counter-roller and is connected to an electrical control device which controls the drive motor in such a way that a predetermined web tension is established in the web material.
  • the drive motor is preferably controlled in such a way that there is a small amount of slippage between the roller and the counter roller and the continuous web material.
  • the roller consists entirely of metal or of another electrically conductive material.
  • the roller of a conventional device for regulating the web tension can generally be used unchanged.
  • the invention particularly includes rollers which are made homogeneously from metal and have no distinguishable outer layer.
  • the electrically semiconducting layer of the counter roll is a layer based on rubber or another elastomer or polyurethane.
  • the substances mentioned are preferably semiconducting by embedding electrically conductive substances.
  • the electrically conductive substances are preferably electrically conductive particles (e.g. graphite).
  • An outer layer made of semiconducting material is understood to mean a layer with a high electrical resistance which greatly reduces the electrical current but still allows a certain electrical current to pass through.
  • the electrical resistance of the layer is measured, for example, using a measuring arrangement with two parallel forks, each holding a moistened leather strip with a length of approximately 8 cm and a width of approximately 1 cm, so that the two parallel leather strips are approximately 10 cm apart.
  • the two parallel leather strips are wrapped around the outer layer to a length of 8 cm.
  • a measuring voltage of 1000 volts is applied. With this measuring arrangement, resistances in the range of one M ⁇ to 20 M ⁇ are measured for the semiconducting outer layers that are particularly suitable for the present purpose.
  • An outer layer made of electrically conductive material or a roller made of electrically conductive material is understood to mean an outer layer or a roller in which the resistances measured with the above-described measuring arrangement are clearly undercut.
  • the electrically conductive material is preferably a metal. Electrically highly conductive materials are also conductive materials in the sense of the invention.
  • the counter roll has a core made of metal, from the periphery of which an insulating inner layer is arranged, on which the electrically semiconducting outer layer is arranged.
  • the insulating inner layer prevents the positive charges from flowing off to the ground.
  • an electrically conductive intermediate layer is arranged between the outer layer and the inner layer.
  • the intermediate layer ensures a quick and even distribution of the positive ones Loads over the entire outer circumference of the counter roller.
  • the counter roll has electrical insulation of its bearings in the machine frame or frame. The insulation prevents the positive charges from flowing off to ground.
  • the insulations can be formed by insulating bodies (e.g. insulating shells), which roller bearings (e.g. ball bearings) of a shaft of the counter-roller support in bearing mounts of a frame or frame of the machine.
  • the insulations are bearing bodies, which support an axle made of electrically conductive material, which supports the counter-roller via roller bearings, in bearing mounts of a frame or frame of the machine.
  • the outer layer and optionally the inner layer and the intermediate layer can be firmly and permanently attached to a core of the counter roll.
  • the outer layer and possibly the intermediate layer or inner layer are interchangeably attached to the core of the counter roll.
  • the core of the counter roll can be used as a slightly conical mandrel z. B. be made of metal, which is provided with a connection for compressed air and has outlet openings for the compressed air on the outer circumference.
  • the outer layer can be a semiconducting layer on a support e.g. B. of GRP, which is slightly conical on the inside, matched to the conical shape of the mandrel.
  • the outer layer or the carrier By applying compressed air to the mandrel, the outer layer or the carrier can be expanded so that it can be detached from the mandrel. Conversely, when compressed air is applied to the mandrel, the outer layer or the carrier can be expanded so that it can be pushed onto the mandrel. After the compressed air has been extracted, the outer layer or the support settles on the mandrel.
  • the design of the counter roller corresponds to the design of impression rollers, which are designed as a sleeve system.
  • the device for transferring electrical charge is selected from one or more of the following devices: charging electrode, which is directed towards the outer circumference of the counter-roller and releases the charge to the semiconducting layer on the circumference of the counter-roller (top-loading system), Charging electrodes, which are directed to the front side of the counter roller and transfer the charge to a conductive layer below the semiconducting layer, which is exposed on the front side of the impression roller (side charging system), charging electrodes, which are arranged on the front side of the counter roller and with a conductive circuit board interact on the end face of the counter roll, which is electrically connected to a conductive layer below the semiconductive outer layer, transformer devices which have a fixed primary coil next to the end face of the counter roll and a rotating secondary coil fixed to the end face of the counter roll, Slider contacts or brushes on the circumference or on an end face of the counter-roller, which contact a slip ring on the counter-roller, or electrically conductive roller bearings, which support a shaft
  • a field strength sensor is arranged between the arrangement of roller and counter-roller and the take-up reel or punch, which is connected to an electrical control device which is connected to the high-voltage generator, the control device being set up so that the high voltage supplied by the high-voltage generator is dependent on to regulate the field strength of the continuous web material measured by the field strength sensor.
  • the machine is a web printing machine.
  • the at least one device for processing the web material passing through from the unwinding reel to the take-up reel or punch is a printing unit which consists of a printing cylinder (printing form cylinder) and an impression cylinder (impression roller).
  • a web printing press preferably has 3 to 18 printing units.
  • the web printing press is a rotogravure or a flexographic printing press.
  • the machine is a machine for roll cutting.
  • the at least one device for processing the web material passing through from the unwinding roll to the winding roll or punch is a cutting device.
  • the machine is a machine for film extrusion or another machine for film production.
  • the machine is a machine for laminating foils.
  • the web material is paper.
  • the web material is a plastic film or a composite film comprising a plastic film.
  • the web printing machine comprises an unwinding roll 1 and a winding roll 2 and four printer units 3.1 to 3.4 arranged between them.
  • Each printing unit 3.1 to 3.4 has a metallic, electrically conductive printing cylinder 4.1 to 4.4, which is electrically grounded via electrically conductive bearings.
  • each printing unit 3.1 to 3.4 has an impression cylinder 5.1 to 5.4, which rolls on one of the printing cylinders 4.1 to 4.4.
  • the web printing machine can also have a smaller or larger number of printing units than shown.
  • each printing unit 3.1 to 3.4 preferably has an electrostatic printing aid with a device for transferring electrical charge to an impression cylinder and a high-voltage source for feeding the device for transferring electrical charge.
  • the printing cylinders 4.1 to 4.4 are located in the Ex area 6, in which solvent-based inks are used.
  • the printable web material 7 is fed from the unwinding roller 1 via deflection rollers 9.1 to 9.4 to the printing units 3.1 to 3.4 in succession. There is a drying section in each case between the adjacent printing units 3.1, 3.2, etc., in which the printed web material 7 can dry.
  • a web tension control 10.1 is present between the last printing unit 3.4 and the take-up roll 2.
  • the web tension control 10.1 (device for regulating the web tension) comprises a roller 11.1 and a counter roller 12.1 rolling thereon.
  • the web material 7 is passed between the roller 11.1 and the counter roller 12.1.
  • the web material 7 is fed to and guided away from the web tension control 10.1 via deflection rollers 9.11 and 9.12.
  • the roller 11.1 including the shaft 11.3 is made of metal and is connected to the machine frame 13 made of metal by means of electrically conductive roller bearings.
  • the counter roll 12.1 has a core 14 made of metal, on which an inner layer 15 made of insulating material is arranged. An outer layer 16 made of semiconducting material is arranged on the inner layer 15. A device for transferring electrical charge 17, which is designed as a charging electrode 17, is arranged at a distance from the outer layer 16.
  • the charging electrode has a plurality of needles 18 which are directed onto the circumference of the counter roller 12.1 and have a small distance from it.
  • a suitable charging electrode 17 is e.g. B. in the EP 1 640 160 A1 described.
  • the charging electrode 17 is connected to a high voltage generator 19 with positive polarity.
  • Conventional discharge electrodes 20.1, 20.2 are arranged upstream and downstream of the roller 11.1. These are connected to a discharge generator 21, which supplies an AC voltage or a DC voltage.
  • a field strength sensor 22 is arranged between the web tension control 10.1 and the take-up roll 2, in the detection area of which the web material 7 passes.
  • the field strength sensor 22 is connected to a switching and control device 23, which in turn is connected to the high-voltage generator 19 and the discharge generator 21.
  • the voltages of the high voltage generator 19 and the discharge generator 21 are controlled as a function of the field strength measured by the field strength sensor 22. Due to the positive polarity of the high-voltage generator 19, the preferably negative charges of the continuous web material 7 are neutralized to a more or less harmless level for the printing workers.
  • the alternative version of the web tension control10.2 from Fig. 1 and Fig. 3 differs from the prescribed web tension control 10.1 in that the counter-roller 12.2 is mounted in insulating bearings 24.1, 24.2 in the machine frame 13.
  • the semiconducting outer layer 16 is arranged directly on the core 14 made of metal of the counter-roller 12.2.
  • the positive voltage of the high-voltage generator 19 is supplied to the counter-roller 12.2 via the shaft 12.4.
  • the facility To transfer the electrical charge to the shaft is, for example, a fluid transmission system, as in the EP 2 363 287 B1 described.
  • the level of the positive polarity voltage supplied by the high-voltage generator 19 is determined on the basis of the field strength measurement on the web material 7 by means of the field strength sensor 22 and the extent of the discharge of the web material 7 is controlled.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Winding Of Webs (AREA)
  • Advancing Webs (AREA)

Claims (15)

  1. Machine de traitement d'un matériau en bande dotée d'un rouleau dévideur (1), duquel le matériau en bande (7) est déroulé, d'un rouleau entraîneur (2), sur lequel le matériau en bande (7) est enroulé, ou d'une presse à découper, qui sectionne le matériau en bande (7) en tronçons de bande, d'au moins un dispositif de traitement (3.1 à 3.4) du matériau en bande (7) défilant du rouleau dévideur (1) jusqu'au rouleau entraîneur (2) ou à la presse, disposé entre le rouleau dévideur (1) et le rouleau entraîneur (2) ou la presse à découper, dans laquelle un ensemble constitué d'un cylindre (11) et d'un contre-cylindre (12) dévidant sur le pourtour du cylindre est disponible en amont du rouleau entraîneur (2) ou de la presse à découper, dans laquelle le cylindre (11) présente au moins une couche extérieure à base d'un matériau électriquement conducteur, qui est appliquée à la masse, le contre-cylindre (12) est revêtue d'une couche extérieure (16) à base d'un matériau semi-conducteur, un dispositif est disponible pour transmettre une charge électrique (17) sur la couche extérieure (16) du contre-cylindre (12), une source de haute tension électrique (19) d'une polarité positive est reliée au dispositif de transmission de charge électrique pour fournir une charge positive à la couche extérieure (16) du contre-cylindre (12) et pour diminuer une charge négative du matériau en bande (7) avant l'enroulement sur le rouleau entraîneur (2) ou le découpage en tronçons de bande, caractérisée en ce que l'ensemble constitué du cylindre (11) et du contre-cylindre (12) est disposé entre le dernier dispositif de traitement (3, 4) du matériau en bande (7) dans le sens du défilement du matériau en bande (7) et le rouleau entraîneur (2) ou la presse à découper.
  2. Machine selon la revendication 1, qui présente un moteur d'entraînement, qui est relié au cylindre (11) ou au contre-cylindre (12).
  3. Machine selon la revendication 1 ou 2, dans laquelle le cylindre (11) et le contre-cylindre (12) font partie intégrante d'un dispositif pour régler la tension de la bande (10) dans le matériau en bande (7).
  4. Machine selon la revendication 3, dans laquelle le dispositif pour régler la tension de la bande (10) a un moteur d'entraînement, qui actionne le cylindre (11) ou le contre-cylindre (12) et est relié à un dispositif de commande électrique, qui pilote le moteur d'entraînement de sorte qu'une tension de bande prédéfinie s'établisse dans le matériau en bande (7).
  5. Machine selon l'une des revendications 1 à 4, dans laquelle le cylindre (11) est complètement constitué de métal ou d'un autre matériau électriquement conducteur.
  6. Machine selon l'une des revendications 1 à 5, dans laquelle la couche extérieure électriquement semi-conductrice du contre-cylindre (12) est une couche extérieure à base de caoutchouc ou d'un autre élastomère ou de polyuréthane (16).
  7. Machine selon l'une des revendications 1 à 6, dans laquelle le contre-cylindre (12) présente un noyau (14) en métal, sur le pourtour duquel une couche intérieure isolante (15) est disposée, sur laquelle la couche extérieure électriquement semi-conductrice (16) est mise en place.
  8. Machine selon la revendication 7, dans laquelle une couche intermédiaire électriquement conductrice est disposée entre la couche extérieure (16) et la couche intérieure (15).
  9. Machine selon l'une des revendications 1 à 8, dans laquelle le contre-cylindre (12) présente des isolements électriques (24.1, 24.2) de ses paliers dans un bâti ou un châssis de machine (13).
  10. Machine selon l'une des revendications 1 à 9, dans laquelle le dispositif de transmission de charge électrique est sélectionné parmi l'un ou plusieurs des dispositifs suivants : une électrode de charge (17), qui est dirigée vers le pourtour extérieur du contre-cylindre, une électrode de charge, qui est dirigée vers une face frontale du contre-cylindre, une électrode de charge, qui est disposée sur une face frontale du contre-cylindre et qui interagit avec une carte de circuit imprimé sur la face frontale, un dispositif transformateur sur une face frontale du contre-cylindre, des contacts frotteurs ou des balais, un palier à roulement électriquement conducteur, un système de transmission de fluide.
  11. Machine selon l'une des revendications 1 à 10, dans laquelle un capteur d'intensité de champ (22) est disposé entre l'ensemble formé par le cylindre (11) et le contre-cylindre (12) et le rouleau entraîneur (2) ou la presse à découper, ledit capteur est relié à un dispositif de régulation électrique, qui est lui-même raccordé au générateur de haute tension (19), dans laquelle le dispositif de régulation est ajusté de manière à réguler la haute tension fournie par le générateur de haute tension (19) en fonction de l'intensité de champ du matériau en bande défilant mesurée par le capteur d'intensité de champ (22).
  12. Machine selon l'une des revendications 1 à 11, qui est une presse rotative à imprimer, qui est de préférence une presse rotative d'héliogravure ou une presse flexographique.
  13. Machine selon l'une des revendications 1 à 10, qui est une machine à découper les bobines.
  14. Machine selon l'une des revendications 1 à 11, qui est une machine servant à extruder des films ou une autre machine servant à fabriquer des films ou bien une machine servant à pelliculer des films.
  15. Machine selon l'une des revendications 1 à 14, dans laquelle le matériau en bande (7) est un papier ou un film en matière plastique ou bien un film composite comprenant un film en matière plastique.
EP15174055.2A 2014-07-04 2015-06-26 Machine de traitement d'un materiau en bande Active EP2990365B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202014103084.0U DE202014103084U1 (de) 2014-07-04 2014-07-04 Maschine zum Bearbeiten eines Bahnmaterials

Publications (2)

Publication Number Publication Date
EP2990365A1 EP2990365A1 (fr) 2016-03-02
EP2990365B1 true EP2990365B1 (fr) 2020-04-29

Family

ID=53510647

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15174055.2A Active EP2990365B1 (fr) 2014-07-04 2015-06-26 Machine de traitement d'un materiau en bande

Country Status (2)

Country Link
EP (1) EP2990365B1 (fr)
DE (1) DE202014103084U1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202016101601U1 (de) * 2016-03-23 2017-06-27 Christa Dettke Aufwickelvorrichtung zum Aufwickeln eines im Wesentlichen isolierenden Bahnmaterials
DE202018102961U1 (de) * 2018-05-28 2019-08-30 Christa Dettke Vorrichtung zum Entladen von Kunststofffolienbahnen oder anderen im Wesentlichen isolierenden Bahnmaterialien
TW202031107A (zh) * 2019-01-22 2020-08-16 以色列商奧寶科技有限公司 卷對卷網材處理系統
CN114501971A (zh) * 2022-03-15 2022-05-13 王玉宣 一种用于高密度板生产加工的电磁消除装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2445271A (en) * 1945-03-17 1948-07-13 William C Huebner Static eliminating means
US5205212A (en) * 1989-03-17 1993-04-27 Wolfe Gene H Method of reducing ink electrets in gravure web printing
DE202004014952U1 (de) 2004-09-25 2006-02-02 Dettke, Christa Elektrode für eine Rotationsdruckmaschine und elektrostatische Druckhilfe
DE202006016178U1 (de) 2006-10-19 2008-03-06 Dettke, Christa Rotationsdruckmaschine
JP2009001418A (ja) * 2007-05-22 2009-01-08 Komori Corp シート状物取扱装置の静電気除去装置
DE102007036587A1 (de) * 2007-08-02 2009-02-05 Mitex Gummifabrik Hans Knott Gmbh Walze zur Ladungsübertragung
DE202010003517U1 (de) 2010-03-02 2011-07-12 Christa Dettke Presseur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE202014103084U1 (de) 2015-10-06
EP2990365A1 (fr) 2016-03-02

Similar Documents

Publication Publication Date Title
EP2990365B1 (fr) Machine de traitement d'un materiau en bande
EP1914071B1 (fr) Presse rotative
EP0655030A1 (fr) Procede et dispositif d'humidification d'une bande de materiau en mouvement imprimee puis thermiquement sechee.
EP3222421B1 (fr) Enrouleur avec stockage d'une charge électrique d'un matériau en bande
EP3946949B1 (fr) Machine d'impression et procédé de fabrication de produits imprimés
EP4209351B1 (fr) Machine de traitement de feuilles, utilisation de la machine de traitement de feuilles, procédé de transport de feuilles et utilisation d'éléments conducteurs de feuilles contenant des dispositifs de désionisation
DE2945233C2 (de) Vorrichtung zum Bedrucken von bandförmigem Material
EP1313617A1 (fr) Procede et dispositif pour le couchage de produits imprimes
DE102008009156B4 (de) Anordnung zum Ableiten elektrostatischer Ladungen von einem Bedruckstoff
EP3072689B1 (fr) Presse rotative comprenant des dispositifs destines a reduire le chargement du support d'impression
EP1975101B1 (fr) Enroulement d'une bande de feuille transfert
DE102017219709A1 (de) Druckmaschine
EP1807333B1 (fr) Procede et dispositif pour transporter des bandes de materiau et pour les fixer sur un contre-appui
EP1285875B1 (fr) Dispositif pour réunir au moins deux bandes de papier en une bande multicouche
DE102010028702B4 (de) Wendeeinrichtung einer Bogendruckmaschine
DE102021119893A1 (de) Wickler zum Wickeln einer Materialbahn
DE102016120383A1 (de) System zur verbesserung der druckqualität einer rotationsdruckmaschine
EP4090537A1 (fr) Machine d'impression à dispositif de charge
EP3575249B1 (fr) Dispositif de déchargement de bandes en matière plastique ou d'autres bandes de matière sensiblement isolantes
EP3536643B1 (fr) Machine de bobinage sur tourelle à fixation électrostatique du début de bande
EP3863855A1 (fr) Dispositif, procédé et machine à imprimer pour l'impression multiple de feuilles à imprimer
DE102007036587A1 (de) Walze zur Ladungsübertragung
DE102010028701A1 (de) Bogenführungseinrichtung
DE202009013196U1 (de) Elektrostatische Druckhilfe
DE102010028699A1 (de) Bogenführungseinrichtung

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

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

17P Request for examination filed

Effective date: 20160818

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

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

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20170522

RIC1 Information provided on ipc code assigned before grant

Ipc: B65H 23/04 20060101AFI20190927BHEP

Ipc: B41F 9/06 20060101ALI20190927BHEP

Ipc: B41F 9/00 20060101ALI20190927BHEP

Ipc: B65H 27/00 20060101ALI20190927BHEP

Ipc: B41F 31/08 20060101ALI20190927BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

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

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20191121

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

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

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM 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: AT

Ref legal event code: REF

Ref document number: 1263003

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200515

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502015012400

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: BOHEST AG, CH

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20200429

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

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

Ref country code: NO

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: 20200729

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: 20200429

Ref country code: LT

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: 20200429

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: 20200730

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: 20200831

Ref country code: IS

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: 20200829

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: 20200429

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

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: 20200729

Ref country code: RS

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: 20200429

Ref country code: LV

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: 20200429

Ref country code: HR

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: 20200429

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

Ref country code: AL

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: 20200429

Ref country code: NL

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: 20200429

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: 20200429

Ref country code: MC

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: 20200429

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: 20200429

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: 20200429

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: 20200429

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: 20200429

Ref country code: SM

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: 20200429

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502015012400

Country of ref document: DE

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: 20200429

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: 20200429

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

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

Effective date: 20200729

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: 20200626

26N No opposition filed

Effective date: 20210201

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20200630

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: 20200629

Ref country code: IE

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

Effective date: 20200626

Ref country code: GB

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

Effective date: 20200729

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

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: 20200429

Ref country code: BE

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

Effective date: 20200630

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 1263003

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200626

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: 20200626

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: 20200429

Ref country code: MT

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: 20200429

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: 20200429

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

Ref country code: MK

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: 20200429

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

Ref country code: DE

Payment date: 20250812

Year of fee payment: 11

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

Ref country code: IT

Payment date: 20250620

Year of fee payment: 11

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

Ref country code: CH

Payment date: 20250701

Year of fee payment: 11