EP3013586B1 - Gaufrage de feuilles à froid en rapport avec le format - Google Patents

Gaufrage de feuilles à froid en rapport avec le format Download PDF

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Publication number
EP3013586B1
EP3013586B1 EP14736686.8A EP14736686A EP3013586B1 EP 3013586 B1 EP3013586 B1 EP 3013586B1 EP 14736686 A EP14736686 A EP 14736686A EP 3013586 B1 EP3013586 B1 EP 3013586B1
Authority
EP
European Patent Office
Prior art keywords
film
transfer
web
conveyors
film web
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
EP14736686.8A
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German (de)
English (en)
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EP3013586A1 (fr
Inventor
Jürgen Schölzig
Uwe Püschel
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.)
Manroland Sheetfed GmbH
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Manroland Sheetfed GmbH
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Publication date
Application filed by Manroland Sheetfed GmbH filed Critical Manroland Sheetfed GmbH
Publication of EP3013586A1 publication Critical patent/EP3013586A1/fr
Application granted granted Critical
Publication of EP3013586B1 publication Critical patent/EP3013586B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F16/00—Transfer printing apparatus
    • B41F16/0006—Transfer printing apparatus for printing from an inked or preprinted foil or band
    • B41F16/006—Arrangements for moving, supporting or positioning the printing foil or band
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F16/00—Transfer printing apparatus
    • B41F16/0006—Transfer printing apparatus for printing from an inked or preprinted foil or band
    • B41F16/002—Presses of the rotary type
    • B41F16/0033—Presses of the rotary type with means for applying print under pressure only, e.g. using pressure sensitive adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2219/00—Printing presses using a heated printing foil
    • B41P2219/20—Arrangements for moving, supporting or positioning the printing foil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2219/00—Printing presses using a heated printing foil
    • B41P2219/20—Arrangements for moving, supporting or positioning the printing foil
    • B41P2219/22—Guiding or tensioning the printing foil

Definitions

  • the invention relates to a device for transferring imaging layers from a carrier foil to printed sheets according to the preamble of patent claim 1.
  • a sheet-fed machine has a feeder, a boom and between both units printing units and a coating module.
  • an adhesive pattern is applied by means of the planographic printing process. This adhesive pattern is applied in a cold printing process and has a specific imaging subject.
  • a film guide is provided in the printing unit following the coating module with a counter-pressure cylinder and a press roller. This is designed in such a way that a film strip or a transfer film is guided through the transfer nip of the coating module between the impression cylinder and the press roll from a film supply roll.
  • the film strip is rewound on the outlet side after leaving the coating module.
  • the transfer film has a carrier layer on which imaging layers such as metallic layers, for example of aluminum, can be applied. Between the metallic layer and the carrier film, a separating layer is provided, which ensures that the metallic layer can be removed from the carrier layer.
  • each sheet is given an adhesive pattern. Thereafter, the sheet is passed through the coating module, being brought by means of the press roller on the impression cylinder resting sheet with the film material in combination.
  • the downwardly lying metallic layer enters into a close connection with the areas provided with adhesive on the printed sheet.
  • the metallic layer adheres only in the area provided with the adhesive pattern.
  • the carrier film is thus removed from the metallic layer in the region of the adhesive pattern. The used in this way transfer film is wound up again.
  • the print sheet is laid out in the coated state.
  • a device for cold foil stamping is known.
  • the film feed in a coating module for the transfer of imaging layers of a transfer film to a printing material is to be extended in its applicability.
  • a limited pressing surface is arranged in the coating module for transferring layers from the transfer film.
  • the transfer film is preferably guided past a press roll in a limited width and approximately tangentially.
  • special cyclically operable conveyors are assigned for this purpose.
  • the timing of the sheet feeding may be performed with respect to a circumferential break of cylinder knitting surfaces or with respect to the transfer sheet variable transfer zones variable on the circumference or across the width of cylinder knitting surfaces.
  • a film guide in an embossing device is known. It describes that in a coating module for the transfer of imaging or covering layers from a transfer film to a printing material, a flexible mode of operation for the production of complex substrates with gentle film treatment is to be used.
  • a film application module is provided in a sheet-fed rotary printing press with means for regulating the web tension of the film web. It is provided that the drives of the film rolls are each provided with variable parameter sets for different operating conditions in order to keep the web tension of the transfer film at an optimum level for the film transfer.
  • the object of the invention is therefore to provide a device by means of which the transfer of an imaging layer, e.g. a metallization layer can be done on a sheet safely, economically and accurately, the device should be manageable for an extended range of applications.
  • an imaging layer e.g. a metallization layer
  • the device should be manageable for an extended range of applications.
  • a simple adaptation of the print quality to a wide variety of substrates is to be made possible.
  • a device for supplying transfer film to a coating module and for discharging from the coating module are associated with one or more conveyors, wherein the film feed is controllable by means of a control of the or all conveyors so that the transport of the transfer film can be stopped, interrupted or started.
  • the film feed is controllable by means of a control of the or all conveyors so that the transport of the transfer film can be stopped, interrupted or started.
  • the controller has a data memory which is provided with parameter data for the drive control of the conveyors.
  • parameter data for the drive control of the conveyors.
  • mutually assigned sets, pairs or group pairs of drive parameters are selected from the data memory and then fed separately to each conveyor.
  • controllable conveying devices for braking and accelerating the film web are arranged in time with the processing of the cold foil transfer.
  • the conveyors can be designed as pairs of rollers with at least one motor-driven drive roller and lead the film web by clamping.
  • the conveying devices are driven such that the web tension of the film web is changed in the region between the conveying devices as a function of the feeding of the parameter sets.
  • the controller is set up in conjunction with a machine control of the sheet-processing machine, so that upon input of certain printing material thickness data on the machine control unit, these drive parameters are selected from the data memory and fed to the respective drives. The selection can be made advantageously also on the basis of quality data of the coated sheet.
  • a combination of the selection of drive parameters for the driving of the film web can be carried out by first making a setting based on the printing material thickness, possibly automatically, and then additionally using optionally determined quality parameters from the coating process an optionally manual readjustment of the parameter setting for the drives Transfer film takes place.
  • the applicator 1 may be a per se known offset printing unit with an inking unit 11, a plate cylinder 12 and a blanket cylinder 13.
  • the blanket cylinder 13 cooperates with a counter-pressure cylinder 4.
  • the coating module 2 can also be formed by an offset printing unit.
  • the transfer nip 6 in the coating module 2 is formed by a press roll 3 and an impression cylinder 4.
  • the press roller 3 may correspond to the blanket cylinder.
  • the press roll 3 may also correspond to the forme cylinder of a paint module.
  • a film guide device 14 for transfer films is shown within the coating module 2 used for the film transfer.
  • the transfer film 5 is thereby switched on and executed by protective devices 15 of the coating module 2.
  • the film supply roll 8 is assigned to the coating module 2 on the sheet feed side.
  • the film supply roll 8 has a roller drive 7 for the continuous controlled feeding of the transfer film to the coating module 2.
  • a roller drive 7 for guiding the transfer film 5 may be provided in a substantially constant tension against the press roller 3.
  • a film collecting roller 9 is provided for the used sheet material.
  • a roller drive 7 on the film collection roller 9 is always advantageous. It can even be provided that the transfer film 5 is conveyed on the outlet side by means of the roller drive 7 and held taut on the supply side by means of a brake.
  • the press roll 3 (as a blanket cylinder or forme cylinder or separate press roll) carries on its surface a compressible or damping, e.g. also provided with a compressible intermediate layer element.
  • the press roll 3 can be provided with a press fabric 10, for example as a plastic cover, comparable to a blanket or blanket, which is held in a cylinder channel on clamping devices.
  • the film feed of the transfer film 5 from the film supply roll 8 to the transfer nip 6 and the film collection roller 9 is gradually controlled, the transfer film 5 is then stopped, if no transfer of imaging or covering layers should take place.
  • the associated device preferably includes a corresponding feed control for the transfer sheet 5, which ensures that at least the lying in the region of the press roller 3 and the impression cylinder 4 part of the film web is stationary as long as the cylinder channel 26 of the impression cylinder 4 passes. This will be later in FIGS. 2 to 4 Details explained.
  • a further improvement of the film utilization of the type described results when the transfer film 5 is divided into one or more Operafolienbahnen lesser width.
  • the utilization of the transfer film 5 can be improved even in zonally different lengths coating areas within an arc.
  • dryer 16 can be provided in the film application module thus formed from the applicator 1 and the coating module 2, by means of which the adhesive application or the entire film coating can be dried.
  • the adhesive application or the entire film coating can be dried.
  • UV dryer for example UV dryer in question.
  • a monitoring device 17 for the film application module enables the evaluation of image contents of the coating and the detection of defects in the film coating.
  • the transport of the transfer film 5 can be monitored on Folienleit wornen 14 as some film guide rolls by means of web tension measuring devices 19.
  • a stabilization device 30 can be arranged to stabilize the film web 5 between a first deflection roller and a first inlet roller to the transfer unit in order to reduce flapping movements of the film web 5.
  • the adjustment of the stabilization device 30 can be carried out in conjunction with means for web tension control 19 and possibly a sensor device 20 for web break monitoring.
  • the additionally obtained information about the web tension as the actual value can be used for the control of the printing or transfer process.
  • the system can be coupled to a control station of the printing machine, via which the setpoint values for maximum and minimum web tension can be entered. This may depend on the type of transfer film 5 used and on the printing or transfer conditions in the coating module 2 be dependent on the properties of the printing material, the adhesive or the press cover.
  • the necessary data can be read via interfaces directly from data carriers to film supply rolls and changed by means of parameter values from the setting of the transfer process on the coating module 2.
  • the gap of the printing gap 60 between the surfaces of the blanket cylinder 41 and the impression cylinder 40 is adjustable by means of the printing blanket cylinder 41 associated adjusting devices 45.
  • the adjustments with respect to the transfer nip 6 are made by means of further actuators 46 associated with the press roll 3.
  • the actuators 45, 46 are commonly used in offset printing on printing blanket or blanket cylinders of printing units or on cylinders of varnish modules.
  • a contoured or segmented pressing surface in the press fabric 10 should be provided as the surface of the press roll 3.
  • a contoured or segmented pressing surface in the press fabric 10 should be provided as the surface of the press roll 3.
  • a full-surface pressing area on one or more areas to be coated limited segmented pressing areas are used on the press roller 3.
  • this limited segmented pressing surface in the press fabric 10 is that - similar to the passage of a cylinder channel of the press roll 3 and the opposite impression cylinder 4 - the entrapment of the transfer film 5 is given only if the segmented pressing surface the transfer film 5 touching the transfer nip 6th passes.
  • the pressing surface should only be able to act on the transfer film 5 in the areas where actually imaging layers are to be transferred from the transfer film 5 to the printing sheet.
  • the drive of the film rolls 8, 9 is provided continuously, since the mass of the film rolls 8, 9 is too large for a quick change of the drive movement. This results in braking the film web to re-accelerating in the transfer area in the supply and discharge of the film web 5 relative to the movement of the film rolls 8, 9 excess or missing film lengths.
  • Such transitional areas between film start and format or application start are also different in size with respect to each used format documents, as will be explained later in connection with Figure 5.
  • FIG. 2 is a possibility for the rapid compensation of path shifts in the film timing in the cold foil process specified. It is a film transfer module accordingly FIG. 1 shown.
  • the dancer rollers 18 are arranged to regulate the web tension and compensate for the changing film feed in the film timing.
  • a first drive group 22 is arranged on the supply side of the coating module 2 in the direction of film transport in front of the transfer nip 6. It works with a first dancer system 18.1 on the inlet side of the transfer film 5 to the transfer nip 6 together.
  • a second drive group 33 is arranged on the outlet side of the coating module 2 in the direction of film transport after the transfer nip 6. This works with a second dancer system 18.2 on the outlet side of the transfer film 5 from the transfer nip 6 together.
  • the dancer systems 18.1, 18.2 are in FIG. 2 symbolically represented and can be designed according to different technical principles as dancer rollers, roll racks or vacuum brake storage. In any case, however, they form a film store, which makes it possible to compensate for the excess or missing lengths of film which are produced with respect to the film rolls 8, 9, when a continuous advance of the film web 5 in the transfer nip 6 takes place with continuously running film rolls 8, 9. Therefore, the dancer systems 18.1, 18.2 are later even more generally referred to in their effect as a film storage as a supply memory 18.1 and acceptance memory 18.2.
  • the drive groups 22, 33 are described here for all subsequent embodiments and each show a pair of rollers that can pinch the film web 5 and thus defined in terms of a desired transport path can lead.
  • the pairs of rollers of the drive groups 22, 33 consist in FIG. 2 each of a film guide roller 24 and a drive roller 23. Both the film guide roller 24 and the drive roller 23 is at least partially driven.
  • the drive of the drive roller 23 can be directed not only in the transport direction of the film web 5 (from film roll 8 to 9), but can also generate return strokes. This is useful because the film web 5 are not immediately at a deceleration remains and thus runs over a desired breakpoint. As a result, a piece of the film web 5 could not be used.
  • this step reduces or eliminates this unnecessary film consumption.
  • the drive of the drive roller 23 can be controlled quickly.
  • the drive roller 23 itself can be segmented in order to be able to execute the changing drive movements quickly.
  • the film guide roller 24 with respect to the drive roller 23 can be pivoted up and down, but it can also be permanently employed on the drive roller 23.
  • the film guide roller 24 perform a more or less controlled by the film web 5 movement, while the drive roller 23 performs a conveying movement and the return stroke movement.
  • the film guide roller 24 performs for a defined period in relation to the film transport direction a backward movement only by controlled hiring against the resting on the drive roller 23 film web 5.
  • the drive roller 23 then performs a continuous transport movement against the direction of the film web 5. This is possible because the film web 5 is freely movable at this time due to lack of contact pressure by the press roller 3 against the impression cylinder 4 in the transfer area.
  • the drive groups 22, 33 can also hold the film web 5 in the transfer area under the necessary tension by braking at the time of film breakage, in this case at least on the feed side to the transfer nip 6, thus at the beginning of the film transfer with pressing by the press roller 3 against the impression cylinder 4 immediately good transfer quality is achieved again.
  • the system of the drive group 22, 33 is also suitable for segment-wide film guide rollers 24 in format width drive rollers 23 both for the guidance of a full-width film web 5 and for the leadership of one or more, possibly also distributed, designed as narrow webs film webs 5 suitable.
  • the segments of the film guide roll 24 accordingly adjustable to the positions of the narrow film webs 5 in the axial direction to the press roller 3 may be arranged.
  • the drive group 22, 33 can be varied in that the drive roller 23 is executed with a rough or adhesive surface or as a suction roll or with a pneumatically acting non-contact pressing segment. With sufficiently large wrap, sufficient adhesion for secure guidance of the film web 5 on the drive roller 23 can be achieved.
  • the dancer arrangement for compensating the conveying paths of the film web 5 during the timing of the feed can also be designed in the form of loop guides operated by means of negative pressure for the film web 5.
  • the film supply and removal can be performed with controllable or self-regulating systems such as friction shafts and individual drives on the film rolls 8, 9 in the variants of a format-wide film roll or with multiple sub-film rolls.
  • the film web 5 is guided in the region of the transfer gap 6 in a partially looping or approximately tangential path on the press roller 3 (see Fig. 4 , Foil sections 5.1 and 5.2).
  • a film section 5.1 in the region of the film inlet into the transfer nip 6 is guided by the film guide roller 14 at a corresponding angle with respect to a tangent through the transfer nip 6 into it.
  • this should be only a contact strip of a few mm in length on the circumference of the press roll 3 over the entire width of the press roll 3.
  • the formation of the narrow contact strip ensures that the timing of the movement of the film web 5 at the moment of release or pressure reduction on the transfer film 5 in the transfer nip 6 can be done quickly by the transfer film 5 can be stopped as soon as possible.
  • FIG. 4 The arrangement of the extent of the film sections 5.1 and 5.2 in relation to a tangent T through the press nip 6 is in FIG. 4 shown schematically.
  • the film sections 5.1, 5.2 can be guided in mutually different guide angles relative to the tangent 4 and can thereby define a larger or smaller loop of the film web 5 on the press roller 3.
  • FIG. 3 is the press fabric 10 for the press roll 3 shown in a planar view. It shows the work areas for a planned film transfer.
  • the working direction with respect to the direction of rotation of the press roll 3 is shown at the top by a directional arrow.
  • the work areas are marked by three format pads 30, 31, 32, which join the left edge (beginning of printing) of the press fabric 10 and opposite to the working direction of format edges K1, K2, K3 ends.
  • the format documents 30, 31, 32 are adapted to a width corresponding to the required working areas and with the respectively desired length of the working format in the Work area arranged format edges K1, K2, K3 provided and cover so different areas of a Pressp on the circumference of the press roll 10 from.
  • this arrangement is schematically transferred to a cylindrical section through the press nip 3 forming the transfer nip 6 and the associated impression cylinder 4 with the direction of rotation being indicated.
  • the format documents 30, 31, 32 superimposed on each other in the view and therefore drawn different thickness.
  • the format edges K1, K2, K3 are now at different circumferential points of the surface of the press roll 3.
  • the press fabric 10 is placed in a line on the documents 30, 31, 32 and follows their surface contour. To form in the field of format edges K1, K2, K3 fine paragraphs in the surface of the press fabric 10, after the end of a corresponding reduction in pressure in the transfer nip 6 is achieved when there is a sheet together with the voltage applied to the press roller 3 film web 5.
  • the transfer film 5 Due to the pressure reduction no film transfer can take place there, since the transfer film 5 is no longer clamped. This is shown here with respect to the base 30 and to the associated form edge K1. Over the width of the press roller 3 results in the same state for the two documents 31 and 32 with respect to the format edges K2 and K3. Thus, the transfer sheet 5 is released in different circumferential positions with respect to the three working areas of the press. Preferably, in this case, the transfer film 5 is divided into three sub-film webs corresponding to the width of the work areas of the press substrate for the size documents 30, 31, 32.
  • each partial film web can be stopped at the time of release on passage of one of the format edges K1, K2, K3 through the transfer nip 6 in the transport, since they do not more in the transfer nip 6 is clamped. This allows considerable savings in film consumption.
  • the adjoining cylinder channel 27 The same applies to the adjoining cylinder channel 27.
  • a development correction of the press roller 3 can be carried out depending on the respective printing substrate thickness.
  • Such a development correction can be made by changing the elevator thickness on the press roller 3 in a combination of the press fabric 10 and below this underlying underlay sheet.
  • Diameter adjustment is a safe synchronization in the transfer nip 6 allows no major change in the film stress.
  • an input of a printing material thickness for the film guide should be made.
  • Such an input can be made directly on the one hand on the respective coating module 2.
  • the input can also take place via a control station connection from the coating module 2 to a machine control station in conjunction with the machine control of the sheet-processing machine (sheet-fed press).
  • the correspondingly required data in connection with the respectively applied printing material thickness are transmitted from the machine control station to the drives of the drive groups 22, 33 of the coating module 2.
  • the Bruzugteil at the film inlet and outlet of the coating module 2 are then assigned according to the preselected parameters in relation to the resulting at a printing material thickness change higher or lower conveying speed on the side of the substrate to be coated for the drives of the drive groups 22, 33 of the film web 5.
  • At least one characteristic field is stored in one or each data memory for the control or the controls of the drives of the drive groups 22, 33.
  • the characteristic field drive situations for the transfer film 5 are reproduced, which have been calculated or determined empirically.
  • the parameter sets reflect the relationship that affects the film transport as a function of the currently available machine speed. Therefore, the parameter sets virtually give a translation requirement of the machine speed to the required film speed. This translation requirement depends on the printing substrate thickness used, since this determines and changes the reference surface of the film speed. Furthermore, the required Bruzug- / web tension ratios at the inlet into the transfer nip 6 and at the outlet from the transfer nip 6 are taken into account depending on the type of film and / or printing material. Furthermore, dependencies on the machine speed can also be included in the parameter sets.
  • the parameter sets shown in the characteristic curve field thus determined are generally provided in pairs for the film inlet and the film outlet, so that corresponding data are available for each drive group 22, 33.
  • the web tension conditions in the transfer film 5 before and after the transfer nip 6 can be varied synchronously depending on the circumstances of the settlement conditions in the transfer nip 6.
  • the coating quality is kept constant with changes in the elements involved in the transfer gap 6 as a function of the printing material thickness even if a settlement correction of the press roller 3 should be made. Even if a development correction on the press roll 3 would cause the conditions of web tension or web tension at the film inlet and film outlet to be changed, compensation for the drive groups 22, 33 at the film inlet and at the film outlet can be carried out in the simplest manner, by a corresponding selection of control parameters for the drive motors of the drive groups 22, 33 takes place.
  • a determination of a family of curves of drive parameters can be carried out in a simple manner by means of tests with different printing materials in different printing substrate thicknesses and different types of available transfer films 5.
  • the web tension acting on the transfer film 5 or the web tension in the area of the inlet (film section 5.1) is detected at the transfer nip 6 and in the region of the exit (film section 5.2) after the transfer nip 6.
  • the web tension or the web tension are dependent on the relative speed between the substrate surface - ie at the effective diameter of the impression cylinder 4 - and the respective drive group 22, 33 for the transfer sheet 5.
  • it is detected, such as with an inspection system, to what extent the film coating in terms of smoothness, gloss and adhesion can meet the desired quality requirements.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)

Claims (7)

  1. Dispositif de transfert par film à froid dans une machine de traitement de feuilles comportant au moins un groupe d'applications (1) pour un revêtement graphique des feuilles d'impression avec une colle, un module de revêtement (2) pour le transfert des couches génératrices d'images du film support sur la feuille d'impression dans un intervalle de transfert (6) entre un cylindre de contre-pression (4) et un rouleau compresseur (3), et un dispositif d'acheminement du film transfert/de la bande de films vers le module de revêtement (2) et d'évacuation du module de revêtement (2) comportant un ou plusieurs dispositifs de transport (33) pour déplacer le film transfert (5) dans le sens opératoire, l'avance du film de transfert (5) étant contrôlable au moyen d'une commande séparée ou commune pour les dispositifs de transport (5) de manière à ce que le transport du film de transfert/de la bande de film s'arrête lorsque, dans l'intervalle de transfert (6) du module de revêtement (2), il n'y a pas de transfert d'une couche génératrice d'images sur une feuille d'impression, le transport du film étant arrêté, interrompu ou commencé à des moments définis, lors du transport du film support/de la bande de films (5) à travers l'intervalle de transfert (6), sachant que, lors du passage d'une partie du rouleau compresseur (3) en dehors de surfaces de compression limitées par des bords de formatage (K1 à K3) ou des documents de formatage (30 à 32) à la zone à revêtir, l'avance du film est arrêtée et le rouleau compresseur (3) passe en glissant tout en restant en contact avec le film de transfert/la bande de film (5), la ou chaque commande étant disposée de manière à ce qu'elle soit en liaison séparée avec chacun des dispositifs de transport du film de transfert/de la bande de film (5) et que la ou chaque commande possède une mémoire de données qui est pourvue de données paramétriques pour la commande d'entraînement des dispositifs de transport (22, 33),
    caractérisé en ce que,
    en fonction de paramètres de fabrication, lors du transfert du film à froid, des jeux, paires ou paires groupées de paramètres d'entraînement sont sélectionnés séparément dans la mémoire de données et acheminés séparément vers chacun des dispositifs de transport (22, 33) du film de transfert/de la bande de film (5).
  2. Dispositif sur la revendication 1,
    caractérisé en ce que
    sont associés au film de transfert/à la bande de films (5) des dispositifs de transport contrôlables (22, 33) pour le freinage et l'accélération du film de transfert/de la bande de film (5) à la cadence du traitement du transfert par film à froid,
    les dispositifs de transport (22, 33) étant réalisés sous forme de paires de rouleaux comportant au moins un rouleau d'entraînement motorisé (23), les paires de rouleaux guidant le film de transfert/la bande de films (5) en les serrant.
  3. Dispositif sur la revendication 1 ou 2, caractérisé en ce que
    des dispositifs de transport (22, 33) associés de manière contrôlable au film de transfert/à la bande de films (5) pour freiner et accélérer la bande de film (5) sont entraînés à la cadence du traitement du transfert par film à froid par les commandes motorisées de ou de chaque rouleau d'entraînement (23) de manière à ce que
    la tension de bande du film de transfert/de la bande de film (5) change dans la zone située entre un ou chacun des dispositifs de transport (22, 33) et la zone enserrée dans l'intervalle de transfert (6) du film de transfert/de la bande de film (5) en fonction de l'acheminement des jeux de paramètres.
  4. Dispositif sur la revendication 1 ou 2,
    caractérisé en ce que
    les dispositifs de transport (22, 33) associés au film de transfert/à la bande de films (5) pour le freinage et l'accélération de la bande de film sont entraînés à la cadence du traitement du transfert du film à froid par les commandes motorisées du ou de chaque rouleau d'entraînement (23) de manière à ce que
    la tension de bande du film de transfert/de la bande de film (5) change dans la zone située entre un ou chacun des dispositifs de transport (22, 33) et la zone enserrée dans l'intervalle de transport (6) du film support/de la bande de films (5) en fonction de l'acheminement des jeux de paramètres.
  5. Dispositif selon une ou plusieurs des revendications 1 à 4,
    caractérisé en ce que
    la commande est disposée de manière à être en liaison avec une commande mécanique de la machine de transformation de feuilles,
    que, en cas de saisie de certaines données d'épaisseur de support d'impression au niveau de la commande mécanique, des jeux, paires ou paires groupées de paramètres d'entraînement peuvent être sélectionnés dans la mémoire de données et être communiqués aux commandes respectives des dispositifs de transport (22, 33) du film de transfert/de la bande de film (5).
  6. Dispositif selon une ou plusieurs des revendications 1 à 5,
    caractérisé en ce que
    la commande est disposée de manière à ce que, en présence de certaines caractéristiques de qualité au niveau des feuilles de support d'impression revêtues, des jeux, paires ou paires groupées de paramètres d'entraînement associés aux caractéristiques de qualité puissent être sélectionnées dans la mémoire de données et communiqués aux commandes respectives des dispositifs de transport (22, 33) du film de transfert/de la bande de film (5).
  7. Dispositif selon une ou plusieurs des revendications 1 à 6,
    caractérisé en ce que
    sont associés au film de transfert/à la bande de films (5) des dispositifs de transport contrôlables (22, 33) pour le freinage et l'accélération à la cadence du traitement transfert de film de manière à ce que le film de transfert/la bande de film (5) soit prélevé à la cadence du traitement du transfert du film, avant son acheminement vers l'intervalle de transfert (6),
    par le dispositif de transport (22) dans une mémoire d'acheminement (18.1) et que le film de transfert/la bande de film (5) soit acheminé à la cadence du traitement du transfert de film, une fois libéré de l'intervalle de transfert (6), vers une mémoire de prélèvement (18.2) et prélevé par le dispositif de transport (33) dans la mémoire de prélèvement (18.2) puis acheminé vers un rouleau de bobinage (9).
EP14736686.8A 2013-06-28 2014-06-27 Gaufrage de feuilles à froid en rapport avec le format Active EP3013586B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102013212754 2013-06-28
DE201410108718 DE102014108718A1 (de) 2013-06-28 2014-06-23 Formatbezogenes Kaltfolienprägen
PCT/EP2014/063644 WO2014207175A1 (fr) 2013-06-28 2014-06-27 Gaufrage de feuilles à froid en rapport avec le format

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EP3013586A1 EP3013586A1 (fr) 2016-05-04
EP3013586B1 true EP3013586B1 (fr) 2017-04-05

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DE (1) DE102014108718A1 (fr)
WO (1) WO2014207175A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101638374B1 (ko) 2015-09-10 2016-07-11 주식회사 태신인팩 리퀴드 메탈의 느낌을 표출하는 메탈릭 페이퍼와 그 인쇄방법
DE102016000662A1 (de) * 2016-01-22 2017-07-27 Heidelberger Druckmaschinen Ag Vorrichtung zum Heißfolienprägen
KR102669821B1 (ko) 2019-10-17 2024-05-28 주식회사 태신인팩 리퀴드 메탈의 느낌을 표출하는 메탈릭 페이퍼의 인쇄방법
WO2023128919A1 (fr) * 2021-12-31 2023-07-06 Prntsys Maki̇na Ve Ambalaj Sanayi̇ Ti̇caret Li̇mi̇ted Şi̇rketi̇ Mécanisme d'économie de feuille

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2672008B1 (fr) 1991-01-29 1994-09-02 Cros Jean Pierre Materiau pour impression et procede et installation d'impression au moyen de ce materiau.
DE102005043940C5 (de) * 2005-03-10 2014-08-07 manroland sheetfed GmbH Prägeeinrichtung mit Folienlogistik in einer Bogendruckmaschine
EP1700695A3 (fr) * 2005-03-11 2010-03-17 manroland AG Dispositif de gaufrage pour la garantie de produit dans une machine à imprimer à feuilles et procédé associé
DE102009002254A1 (de) 2008-05-28 2009-12-03 Manroland Ag Folienführung in einer Prägeeinrichtung
WO2009150029A1 (fr) 2008-05-28 2009-12-17 Manroland Ag Dispositif de gaufrage de feuilles à froid
DE102010028836A1 (de) * 2010-05-11 2011-11-17 Manroland Ag Folienspeicher in einer Vorrichtung zum Kaltfolienprägen

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WO2014207175A1 (fr) 2014-12-31
DE102014108718A1 (de) 2014-12-31
EP3013586A1 (fr) 2016-05-04

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