EP4139236B1 - Dérouleur de rouleau, presse d'impression à bobines et procédé de fonctionnement d'un dérouleur de rouleau - Google Patents

Dérouleur de rouleau, presse d'impression à bobines et procédé de fonctionnement d'un dérouleur de rouleau Download PDF

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Publication number
EP4139236B1
EP4139236B1 EP21712469.2A EP21712469A EP4139236B1 EP 4139236 B1 EP4139236 B1 EP 4139236B1 EP 21712469 A EP21712469 A EP 21712469A EP 4139236 B1 EP4139236 B1 EP 4139236B1
Authority
EP
European Patent Office
Prior art keywords
roll
web
unwinder
unwound
cut
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
EP21712469.2A
Other languages
German (de)
English (en)
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EP4139236A1 (fr
Inventor
Bastian Deppisch
Walter Ritter
Michael Schmitt
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer AG
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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP4139236A1 publication Critical patent/EP4139236A1/fr
Application granted granted Critical
Publication of EP4139236B1 publication Critical patent/EP4139236B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1805—Flying splicing, i.e. the expiring web moving during splicing contact
    • B65H19/181—Flying splicing, i.e. the expiring web moving during splicing contact taking place on the replacement roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/16—Means for tensioning or winding the 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
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/20—Cutting-off the expiring 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/461—Processing webs in splicing process
    • B65H2301/4615—Processing webs in splicing process after splicing
    • B65H2301/46154—Processing webs in splicing process after splicing guiding tail after (flying) splicing
    • 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
    • B65H2301/46—Splicing
    • B65H2301/461—Processing webs in splicing process
    • B65H2301/4615—Processing webs in splicing process after splicing
    • B65H2301/4617—Processing webs in splicing process after splicing cutting webs in splicing process
    • B65H2301/46172—Processing webs in splicing process after splicing cutting webs in splicing process cutting expiring web only
    • 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
    • B65H2404/50—Surface of the elements in contact with the forwarded or guided material
    • B65H2404/55—Built-up surface, e.g. arrangement for attaching the surface to the forwarding or guiding element
    • B65H2404/551—Non permanent attachment, i.e. allowing interchange ability of the surface
    • 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
    • B65H2404/60—Other elements in face contact with handled material
    • B65H2404/69—Other means designated for special purpose
    • B65H2404/693—Retractable guiding means, i.e. between guiding and non guiding position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/13—Thickness

Definitions

  • the invention relates to a roll unwinder, a web printing machine with a roll unwinder and a method for operating a roll unwinder according to the preamble of claims 1, 8 or 9.
  • a web printing machine disclosed with at least one printing unit, through which a material web can be printed at least on one side without a printing plate using a digital printing process, and with an unwinder arranged upstream of the printing unit in the material web path, from which the material web to be printed can be unwound from a roll of material, the unwinder being used for receiving at least two material rolls and is designed to carry out a flying roll change.
  • the DE 10 2008 000 242 B3 relates to a method for standstill roll changes by means of a roll changer designed for flying roll changes, wherein in one of the steps a connecting element is pivoted onto the new roll of material by an adjusting element so that the running web touches the new roll.
  • the US 3,904,142 A relates to a roll changer for flying roll changes with a support frame providing two roll spaces, with a cutting knife of a cutting knife roller with a counter knife for cutting off the running web works together, which is mounted on the support frame and can be adjusted against the web to be separated from the side of the web opposite the cutting knife.
  • Roll unwinders which are designed to carry out a roll change to be carried out during operation, e.g. B. so-called roll changers for flying roll changes, are used to unwind a web of material, or web for short, and for Automatic gluing of a new web of material from a new web roll to an outgoing web of a web roll that is currently being unwound, or roll for short.
  • the running web of material is brought up to the new roll, glued to the new roll and the old web of material is then cut off. The cut is made with a knife, e.g. B. from above, hits the web and cuts it.
  • the invention is based on the object of creating a roll unwinder, a web printing machine with a roll unwinder and a method for operating a roll unwinder.
  • this is achieved primarily in that a device - in particular convertible from a rest state to a working state - for supporting the material web to be cut, or support device for short, is provided, which moves from a rest state into a material web currently being unrolled in the area of the web path between the unwinding Material roll and a pressing element, e.g. B. a pressure roller, supporting working condition can be transferred.
  • a pressing element e.g. B. a pressure roller
  • a support element encompassed by the device can be provided on the support frame to be pivoted and carried along by it.
  • the support element can be moved from a rest position to the active position, i.e. by means of adjusting and/or holding means arranged on the support frame or preferably on the swivel frame carrying the cutting tool.
  • H. can be moved into a position supporting the material web on the side of the web facing away from the cutting tool during cutting. This can be done by removing a support element that is releasably held on the support frame using adjusting or holding means provided in the roll changer frame or on the swivel frame.
  • such a support element can also be attached to the support frame, for example.
  • B. be provided so that it can be moved by adjusting means in such a way that the distance of the support element to the axis of rotation of the roll of material carrying the web to be cut off can be varied.
  • a web printing machine with such a web unwinder now enables - e.g. B. in packaging or decorative printing - printing on a web of higher strength and / or strength, as is the case in a particularly advantageous embodiment, for example. B. by one or more printing units working according to a non-impact printing process, in particular according to an inkjet printing process.
  • a material web processing and/or processing machine 01 in particular web printing machine 01, includes a roll carrier 02 on the input side, e.g. B. Roll unwinder 02, unwinder 02 for short, from which a material web B; B' from a roll of material 03; 03', for example printing material roll 03; 03', in particular paper roll 03; 03' short roll 03; 03 ', can be unrolled and inserted into the machine 01.
  • the machine 01 can be designed as a wrapping and/or cutting machine and can only be used for wrapping and/or longitudinally cutting longitudinal strips.
  • at least one is preferred in the railway route Processing level 04, e.g. B.
  • the machine 01 is preferably designed as a web printing machine 01 and has at least one processing stage 04 designed as a printing unit 04 for at least one-sided printing of the material web B; B' on.
  • the material web is B; B', however, as a paper or cardboard web B; B 'designed, in particular as a paper or cardboard web B; B' with a basis weight of more than 100 g/m 2 , e.g. B. between 100 and 400 g / m 2 , and / or is made of two or more interconnected, e.g. B. layers that are wet pressed together ("guttered") during production.
  • Such paper is used, for example, as cover paper in the production of corrugated cardboard. However, it can also be made of cardboard and/or have an even higher basis weight.
  • the input-side roll carrier 02 or unwinder 02 is equipped with several roll positions and is designed as a roll changer 02, in particular as a roll changer 02 that enables a flying roll change.
  • the at least one printing unit 04 can in principle be designed as an offset printing unit, as a gravure printing unit or as a letterpress printing unit, it is preferred as a printing unit 04 operating according to a non-impact printing process, ie without a fixed printing form, in particular as a printing unit 04 operating without a printing form using a digital printing process , executed.
  • the web-fed printing press 01 preferably comprises at least one printing unit 04, which operates without a printing form, with one or in particular several inkjet print heads 06, for example at least one inkjet printing unit 04.
  • the inkjet printing unit 04 the printing material is printed with a print motif without a fixed repeat length and/or with individual and/or changing print images. Contents printable. This can have particular advantages in packaging or decorative printing, in particular when printing cover sheets used in the production of corrugated cardboard or cover or decorative papers used in the production of laminates.
  • Output side of machine 01 i.e. H. along the material web path downstream of the unwinding 02 and preferably the processing stage 04, in particular the at least one printing unit 04, a continuation to a further processing stage, for example to a machine part for inline processing of the material web B; B 'can be provided as a cover sheet for a corrugated cardboard to be produced in the machine 01.
  • a further roller carrier 07 can be provided instead, through which the material web B; B ⁇ to a winding or in particular product roll 08; 08' forming material roll 08; 08', short roll 08; 08', can be wound up.
  • the output-side roller carrier 07 e.g. B.
  • rewinder 07 is preferably also equipped with several roller places and z. B. as a so-called reversible winder 07, in particular as a reversible winder 07 that enables a flying winding roll change.
  • the material web B; B', the machine 01 passes between the unwinder 02 and the rewinder 07, projected horizontally along a production direction P.
  • the printed material web B; B' as an intermediate product is also connected inline or in a subsequent processing process in a corresponding further processing stage with a wave track - possibly already connected to an inner ceiling.
  • the printed material web B; B' can be produced.
  • the printed material web B; B' as an intermediate product also inline or in a subsequent one Processing process in a corresponding further processing stage with a resin applied and applied to a carrier material.
  • one or more further printing units 04 and/or other units 09 e.g. B. at least one dryer 09, in particular radiation dryer 09, may be provided in the printing material path.
  • a material web B is currently unwound from the material roll 03 and fed into the machine 01 (see, for example, Fig. 2 ).
  • the material web B' of the new roll of material 03' is combined with the material web B of the material roll 03 that is currently still expiring Brought into contact with each other, connected to one another at a splice point via an adhesive previously provided on the material web B', and then the material web B, which was still unwound until then, is severed beyond the splice point, that is, for example, cut off or knocked off.
  • a material web flag (not shown here) generally remains, which is provided by the web section between the adhesive point and the end of the previously unwound material web B formed by the cutting.
  • 03 'supporting base frame 11 usually also referred to as support frame 11
  • the old roller 03 is moved into a changing position in which the circumference of the new roller 03' and the path B of the old roller 03 are in an adjacent position to one another.
  • the support frame 11 is pivoted into a transfer position U before being moved into the changing position (see, for example, the dashed arrow in Fig. 3 ), in which the support element 17 can be received in the manner set out below.
  • the roles 03; 03', for example, are accommodated on the front side by cones rotatably mounted on the support frame 11.
  • Fig. 2 is dashed theoretically by pivoting the roll 03 to be loaded as large as possible; 03 'in the roll unwinder 02 resulting envelope circle shown.
  • the web 03 to be separated is or is guided, for example, over one or more deflection rollers 12 before it comes into the effective area of and/or comes into contact with a pressure element 13, e.g. B. runs onto the circumference of a pressure element 13 designed as a pressure roller 13.
  • the Z. B. designed as a pressure brush 13 or pressure roller 13 Pressing element 13 can be adjusted against the lateral surface of the new roller 03 ', in particular pivoted, in the roller changing position and thereby presses the previously unwound web B against the outer web layer of the new roller 03'.
  • a z. B. as a knife 14, in particular knock-off knife 14 designed knock-off tool 14, can be moved into the web path between the pressing element 13 and the next or only deflection roller 12 upstream by means of drive means not specified here, whereby the web B is severed.
  • a device 16 for supporting the material web B to be severed - in particular which can be transferred from a rest state to a working state - must be ensured; B ', short support device 16, is provided, which in a the web B; B 'in the area of the web path between the pressure roller 13 and the roller 03 to be unwound, in particular the next or only deflection roller 12 upstream, the supporting working state can be transferred.
  • it can be provided to support the web B in the web path downstream, upstream or even in the area of the location at which the knock-off tool 14 hits the web B when activated. According to the invention, however, this is provided upstream from this location.
  • the device 16 comprises a support element 17, which can be moved or is moved from a rest position R assumed in the resting state of the device 16 into an active position W assumed in the working state of the device 16. In the latter, it is preferably in a relative position to the axis of rotation of the first material roll 03 that is different from the rest position R or in particular in a path B in the path section between the pressure roller 13 and the material roll 03 or between the pressure roller 13 and - if present - one upstream of the pressure roller 13 between this and the roll of material 03, if necessary, the next or only deflection element 12, in particular a deflection roller 12 provided, on the side of the web facing away from the knock-off tool 14, which supports the position during separation.
  • a surface facing the web B of the support element 17 located in the active position W can touch and support the web B before it is knocked off or can not touch it at all, i.e. slightly, e.g. B. be at most 5 mm apart, and support the web B and only when knocked off by the knock-off knife 14.
  • the support element 17 is also connected to the web path, e.g. B. more than 10 mm.
  • the support element 17 is in the active position W in the case of one or more additional guide elements fixed to the support frame along the course of the web, closer to the point at which the knock-off tool 14 hits the web B, and / or further away from the axis of rotation of the first roll of material 03 than that if necessary, deflection roller 12 provided fixed to the support frame or possibly one or more further guide elements provided fixed to the support frame, e.g. B. guide rollers.
  • the support element 17 is movable, ie relatively movable to the axis of rotation of the roll of material 03 to be cut off, or preferably detachably arranged on the support frame 11 in the rest position R.
  • it can be arranged movably on the support frame 11, for example, and can be moved between rest and position by an actuator effective position R; W be adjustable.
  • a receiving device 19 is provided, through which the support element 17, which is detachably arranged on the support frame 11, can be received for an impending roll change and together with the knock-off knife 14 and its actuator swivel frame 18 and / or relative to this a further adjusting means can be moved into the effective position W.
  • the support frame 11 z. B. if necessary, first pivoted into a transfer position U, in which the support element 17 can be received using the receiving device 19.
  • the receiving device 19 is provided by a carrying and/or gripping device 19 provided on the frame 18, e.g. B.
  • the positioning in the active position W is then also carried out, for example, by positioning the frame 18 and / or additional adjusting means relative to the frame 18.
  • the support element 17 is thus positioned in the rest position R on the support frame 11 during normal operation and over the course of the roller change the receiving device 19 in the effective position W, here z. B. from below against the material web B.
  • the frame 19 can also carry the above-mentioned pressure roller 13 and/or can be movable, in particular pivotable, in the frame of the unwinder 02 towards and away from the web path section to be separated.

Landscapes

  • Replacement Of Web Rolls (AREA)

Claims (11)

  1. Dérouleur de rouleau (02) pour un changement de rouleau à la volée avec au moins un poste à rouleau pour la réception d'un premier rouleau de matériau (03) actuellement à dérouler et un poste à rouleau pour la réception d'un deuxième rouleau de matériau (03') à dérouler une fois un changement de rouleau effectué, avec un outil de coupe (14), par lequel une première bande (B) déroulée du premier rouleau de matériau (03) peut être sectionnée, et avec un élément de pression (13), par lequel la première bande (B) actuellement à dérouler peut être pressée sur la surface d'enveloppe du deuxième rouleau de matériau (03'), dans lequel un dispositif de support (16) est prévu, lequel peut être amené à partir d'un état de repos dans un état de travail, dans lequel il supporte la bande (B) actuellement à dérouler au moins au moment du sectionnement dans la zone du trajet de bande à un emplacement qui se situe dans le trajet de bande entre le premier rouleau de matériau (03) à dérouler et l'endroit où l'élément de pression (13) coopère avec la bande (B), dans lequel le dispositif de support (16) comprend un élément de support (17), lequel peut être amené à partir d'une position de repos (R) occupée dans l'état de repos du dispositif de support (16) dans une position active (W) occupée dans l'état de travail du dispositif de support (16), dans laquelle l'élément de support (11) se trouve dans une position relative différente de la position de repos (R) par rapport à l'axe de rotation du premier rouleau de matériau (03) et/ou se trouve dans une situation supportant la bande (B) dans la partie de trajet de bande entre l'élément de pression (13) et le rouleau de matériau (03) ou d'un élément de renvoi (12) suivant ou unique éventuellement prévu en amont de l'élément de pression (13) sur la face de bande opposée à l'outil de coupe (14) pendant le sectionnement, dans lequel l'élément de support (17) dans sa position de repos (R) est disposé de manière détachable sur un cadre porteur (11) pivotant, portant le premier et deuxième rouleau de matériau (03 ; 03'), dans lequel le dispositif de support (16) est prévu de manière à supporter la bande (B) dans l'état de travail dans le trajet de bande en amont de l'endroit auquel l'outil de coupe (14) heurte la bande (B) lors de l'activation, et dans lequel un dispositif de réception (19), par lequel l'élément de support (17) disposé de manière détachable sur le cadre porteur (11) peut être reçu pour un changement de rouleau imminent est prévu sur un cadre (18) portant l'outil de coupe (14) et monté mobile dans le bâti du dérouleur de rouleau (02).
  2. Dérouleur de rouleau selon la revendication 1, caractérisé en ce que l'élément de support (17) dans la position active (W) vu le long du tracé de bande se trouve plus près de l'emplacement auquel l'outil de coupe (14) heurte la bande B, et/ou plus loin de l'axe de rotation du premier rouleau de matériau (03), qu'un élément de renvoi (12) disposé de manière fixée au cadre porteur éventuellement prévu.
  3. Dérouleur de rouleau selon la revendication 1 ou 2, caractérisé en ce que le dispositif de réception (19) peut être amené dans une position de réception par positionnement du cadre (18) et/ou par des moyens de réglage prévus sur le cadre (18).
  4. Dérouleur de rouleau selon la revendication 1, 2 ou 3, caractérisé en ce que l'élément de support (17) est disposé de manière relativement mobile sur le cadre porteur (11), de telle sorte qu'un écart entre l'élément de support (17) et un axe de rotation du premier rouleau de matériau (03) porté sur le cadre porteur (11) peut être modifié.
  5. Dérouleur de rouleau selon la revendication 1, 2, 3 ou 4, caractérisé en ce que l'élément de support (17) dans la position active (W) est disposé de manière à être en contact avec une bande (B) guidée dans le trajet de bande ou présente un écart de maximum 5 mm par rapport au tracé de trajet de bande et/ou que l'élément de support (17) dans la position de repos (P) est espacé de plus de 10 mm du tracé de trajet de bande.
  6. Dérouleur de rouleau selon la revendication 1, 2, 3, 4 ou 5, caractérisé en ce que l'élément de support (17) supporte la bande (B) actuellement à dérouler dans la position active (W) au moins au moment du sectionnement à un emplacement dans le trajet de bande qui se situe entre le rouleau de matériau (03) à dérouler et l'endroit dans le trajet de bande auquel l'outil de coupe (14) heurte la bande (B).
  7. Dérouleur de rouleau selon la revendication 1, 2, 3, 4, 5 ou 6, caractérisé en ce que l'élément de pression (13) est réalisé sous la forme d'un cylindre presseur (13).
  8. Presse d'impression alimentée en bande (01) avec au moins un groupe d'impression (04), par lequel une bande de matériau (B ; B') peut être imprimée au moins sur une face sans plaque d'impression selon un procédé d'impression numérique, et avec un dérouleur (02) disposé avant le groupe d'impression (04) dans le trajet de bande de matériau, à partir duquel la bande de matériau (B ; B') à imprimer peut être déroulée d'un rouleau de matériau (03 ; 03'), dans laquelle le dérouleur (02) est conçu pour la réception d'au moins deux rouleaux de matériau (03 ; 03') et pour la mise en œuvre d'un changement de rouleau à la volée, caractérisée par la conception du dérouleur de rouleau (02) selon l'une quelconque des revendications 1 à 7.
  9. Procédé pour faire fonctionner un dérouleur de rouleau (02) pouvant fonctionner avec un changement de rouleau à la volée, dans lequel la bande de matériau (B) d'un rouleau (03) actuellement déroulé est pressée par un élément de pression (13) contre la surface d'enveloppe d'un deuxième rouleau de matériau (03') rotatif, à coller sur le rouleau de matériau (03) actuellement déroulé, dans lequel avant une coupe du rouleau de matériau (03) actuellement déroulé au moyen d'un outil de coupe (14) un élément de support (17) d'un dispositif de support (16) est amené à partir d'une position de repos (R) dans une position active (W) supportant la bande (B) dans la partie de trajet de bande entre l'élément de pression (13) et le rouleau de matériau (03) sur la face de bande opposée à l'outil de coupe (14), caractérisé en ce que l'élément de support (17) pour des premiers rouleaux de matériau (03) de différentes tailles est amené dans des positions avec différents écarts par rapport à l'axe de rotation du premier rouleau de matériau (03) respectif.
  10. Procédé selon la revendication 9, caractérisé en ce que l'élément de support (17) à partir de la position de repos (R), dans laquelle il est disposé de manière détachable sur un cadre porteur (11) portant les deux rouleaux de matériau (03 ; 03'), est reçu tout d'abord par un dispositif de réception (19), lequel est disposé sur un cadre (18) portant l'outil de coupe (14) .
  11. Procédé selon la revendication 10, caractérisé en ce que le positionnement de l'élément de support (17) dans la position active (W) s'effectue par l'intermédiaire du positionnement du cadre (18) et/ou par l'intermédiaire de moyens de réglage par rapport au cadre (18).
EP21712469.2A 2020-07-08 2021-03-12 Dérouleur de rouleau, presse d'impression à bobines et procédé de fonctionnement d'un dérouleur de rouleau Active EP4139236B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020118023.3A DE102020118023A1 (de) 2020-07-08 2020-07-08 Rollenabwickler, Rollendruckmaschine sowie Verfahren zum Betreiben eines Rollenabwicklers
PCT/EP2021/056333 WO2022008106A1 (fr) 2020-07-08 2021-03-12 Dérouleur de rouleau, presse d'impression à bobines et procédé de fonctionnement d'un dérouleur de rouleau

Publications (2)

Publication Number Publication Date
EP4139236A1 EP4139236A1 (fr) 2023-03-01
EP4139236B1 true EP4139236B1 (fr) 2024-03-06

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EP21712469.2A Active EP4139236B1 (fr) 2020-07-08 2021-03-12 Dérouleur de rouleau, presse d'impression à bobines et procédé de fonctionnement d'un dérouleur de rouleau

Country Status (5)

Country Link
US (1) US11840414B2 (fr)
EP (1) EP4139236B1 (fr)
CN (1) CN115803274B (fr)
DE (1) DE102020118023A1 (fr)
WO (1) WO2022008106A1 (fr)

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US20230192431A1 (en) 2023-06-22
CN115803274A (zh) 2023-03-14
WO2022008106A1 (fr) 2022-01-13
DE102020118023A1 (de) 2022-01-13
EP4139236A1 (fr) 2023-03-01
CN115803274B (zh) 2023-08-25

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