EP0645310A1 - Method and device for delaminating laminated strips - Google Patents

Method and device for delaminating laminated strips Download PDF

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Publication number
EP0645310A1
EP0645310A1 EP19940114432 EP94114432A EP0645310A1 EP 0645310 A1 EP0645310 A1 EP 0645310A1 EP 19940114432 EP19940114432 EP 19940114432 EP 94114432 A EP94114432 A EP 94114432A EP 0645310 A1 EP0645310 A1 EP 0645310A1
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EP
European Patent Office
Prior art keywords
film
leading edge
cut
paper
transport direction
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.)
Granted
Application number
EP19940114432
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German (de)
French (fr)
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EP0645310B1 (en
Inventor
Peter Bechmann
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Individual
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Individual
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/0006—Removing backing sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1827—Means for removing cut-out material or waste by tearing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/11—Methods of delaminating, per se; i.e., separating at bonding face
    • Y10T156/1168—Gripping and pulling work apart during delaminating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/19—Delaminating means
    • Y10T156/195—Delaminating roller means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2074—Including means to divert one portion of product from another
    • Y10T83/2083—Deflecting guide
    • Y10T83/2085—Positionable gate in product flow path

Definitions

  • the invention relates to a method and a device for the stripping of laminated film blanks, which are provided in a cover film glued to a backing adhesive layer with a carrier paper with incisions which form an advertising lettering or advertising graphic designed for self-adhesive attachment to an advertising surface.
  • the film cuts on a branching of a predetermined transport direction are influenced in cooperation with a transfer device with a deflection edge in such a way that with each film cut the film remainder for transfer to a remainder roll in a branch Transfer direction is withdrawn from the backing paper, while the backing paper with the advertising lettering or advertising graphic remaining on its top is removed in the predetermined transport direction.
  • the leading edge of each film blank is cut obliquely at an obtuse angle by means of a cutting device before the deflection edge is reached, so that the top of the cover film over the underside of the backing paper protrudes forward in the transport direction.
  • the quality of the bevel cut initially carried out on the leading edge of each film cut results in a significant influencing variable for a trouble-free initiation of the removal of the cover film or. the remainder of the film from the backing paper in cooperation with the transfer device with the deflection edge.
  • the peeling is the more problematic, the thinner the cover film compared to the backing paper and the less it is initially possible to stick the cover film so strongly to the pad of the transfer device via its adhesive layer on the back that the for removing the cover film in Interaction with the deflection edge required tensile forces can be generated in the required amount at all.
  • the invention has for its object to develop the known stripping of laminated film blanks in such a way that while maintaining the greatest possible protection of the on the backing paper when the cover film is removed or. of the remainder of the foil or advertising graphic, it is not necessary to make an oblique cut on the leading edge of each foil blank.
  • a cutting device for the stripping of laminated film blanks, with which a dividing line running transversely to the transport direction is cut at least from the underside into the backing paper on a leading edge region of each film blank at a distance from its leading edge. Following this incision of the dividing line, the leading edge region of each film cut is then taken over by a clamping device of the transfer device, in order to analogously interact with a deflecting edge of the cover film or. remove the film residue from the backing paper for transfer to a remainder roll, while the backing paper with the advertising lettering or advertising graphic remaining on its top is removed in the originally specified transport direction. The removal of the cover film resp. the remainder of the film from the backing paper can thus be introduced without problems and continued until the remainder of the film is taken over by the remainder of the roll.
  • the device therefore also comprises a transport device (not shown) with which the film blanks 3 consisting of a cover film 1 and a carrier paper 2 are transported in a predetermined transport direction 4.
  • the cover film laminated onto the backing paper via a pressure-sensitive adhesive layer is provided with incisions which form an advertising lettering or advertising graphic which remains on the backing paper when the cover film or.
  • the film remainder adjacent to the incisions in the interaction of a transfer device 5 with a deflection edge 6, is pulled off the carrier paper in a branched transfer direction 7 as soon as a dividing line has been cut into the carrier paper of a leading edge region of the film cuts by means of a knife 8 of a cutting device 9.
  • the cutting device 9 is formed with a knife carrier 10, in which the knife 8 is at an insertion gap 11 for the leading edge region 12 of each film blank 3 is arranged such that a dividing line running transversely to the transport direction 4 can be cut into the carrier paper 2 from the underside with the knife 8.
  • the knife carrier 10 is moved back and forth in the direction of the double arrow 13.
  • the leading edge region has first been advanced so far into the insertion gap 11 that a predetermined distance from the leading edge of the film blank in question has been obtained for the line of action of the knife 8. Then it was still clamped by a clamping device which is formed with a pull-off bar 14 and a relatively movable clamping bar 15.
  • the pull-off strip 14 is provided with a tip to form the deflection edge 6, in which two guide surfaces for the cover film 1 and the film remainder 16 of each film blank 3 meet.
  • the guide surfaces run parallel to the predetermined transport direction 4 and to the transfer direction 7 branched therefrom.
  • the clamping strip 15 can be moved from the underside of the carrier paper 2 against the guide surface parallel to the transport direction 4, so that the relevant film blank 3 can be clamped against the pull-off strip . This clamping is released again as soon as the leading edge area 12 has been transferred to the transfer device 5 after the cutting line has been cut into its backing paper 2 and after the cutting device 9 has been moved out of the movement path of the film blank 3 in question.
  • the transfer device 5 is for further transport of the formed from the backing paper 2 in cooperation with the deflecting edge 6 of the film residue 16 removed to form a residual roll (not shown).
  • the transfer device is moved from the takeover position shown in FIG. 2 in the transfer direction 7.
  • the transfer device 5 has a clamping device which is designed with a clamping bar 17 and a clamping roller 18.
  • the clamping roller 18 is connected to the clamping bar 17 on an axis of rotation 19 in order to enable a relative pivoting of the clamping roller from the relative position shown in solid lines in FIG.
  • the transfer device As soon as the remainder of the film is taken over by the remainder roll and the clamping device of the transfer device 5 for one Release of the thus clamped edge region 12 has been released, the transfer device remains in a position relative to the pull-off bar 14 in which the absorption of the film residue on the remainder roll is not hindered.
  • the transfer device is only brought back into the position shown in FIG. 2 in the direction of arrow 7 'after a dividing line 20 has been cut into the carrier paper of its leading edge region 12 during a next cut of the film.
  • the cutting device has also previously been brought back into the path of movement of this next film blank.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Decoration By Transfer Pictures (AREA)

Abstract

For delaminating laminated foil blanks which are provided with incisions in a covering foil (1) adhesively bonded to a carrier paper (2) by means of a pressure-sensitive adhesive layer located on the rear side, a parting line (20) is incised into the carrier paper of a leading edge region (12) of each foil blank, before the edge region is drawn off from the carrier paper by a transfer device (7) in cooperation with a deflecting edge (6). <IMAGE>

Description

Die Erfindung bezieht sich auf ein Verfahren und eine Vorrichtung zum Entstrippen von laminierten Folienzuschnitten, die in einer über eine rückseitige Haftkleberschicht mit einem Trägerpapier verklebten Deckfolie mit Einschnitten versehen sind, welche eine zum selbstklebenden Anbringen an einer Werbefläche konzipierte Werbeschrift oder Werbegraphik ausbilden.The invention relates to a method and a device for the stripping of laminated film blanks, which are provided in a cover film glued to a backing adhesive layer with a carrier paper with incisions which form an advertising lettering or advertising graphic designed for self-adhesive attachment to an advertising surface.

Bei einem aus der EP 0 509 419 A1 bekannten Verfahren und einer Vorrichtung dieser Art werden die Folienzuschnitte an einer Verzweigung einer vorgegebenen Transportrichtung im Zusammenwirken einer Transfereinrichtung mit einer Umlenkkante derart beeinflußt, daß bei jedem Folienzuschnitt der Folienrest für eine Übergabe an eine Resterolle in einer abgezweigten Transferrichtung von dem Trägerpapier abgezogen wird, während das Trägerpapier mit der an seiner Oberseite verbleibenden Werbeschrift oder Werbegraphik in der vorgegebenen Transportrichtung entfernt wird. Um das als eigentliches Entstrippen definierte Abziehen des Folienrestes von dem Trägerpapier überhaupt zu ermöglichen, wird dabei die vorlaufende Kante jedes Folienzuschnittes noch vor dem Erreichen der Umlenkkante mittels einer Schneideinrichtung derart schräg unter einem stumpfen Winkel zugeschnitten, daß die Oberseite der Deckfolie über die Unterseite des Trägerpapiers in der Transportrichtung nach vorne vorsteht. Es kann dadurch für die Deckfolie eine anfängliche Linienberührung mit einem gummielastischen Polster der bei der Ankunft eines Folienzuschnittes an der Umlenkkante bereitgestellten Transfereinrichtung erhalten werden, so daß bei deren anschließender Bewegung in der Transferrichtung der sich an die Abschrägung der vorlaufenden Kante unmittelbar anschließende Randbereich der Deckfolie dann über deren rückseitige Haftkleberschicht ein Anhaften an dem Polster erfährt und bis zu der Übergabe an die Resterolle an dem Polster festgeklebt bleibt, wodurch der Folienrest entsprechend sicher von dem Trägerpapier abgezogen werden kann.In a method and a device of this type known from EP 0 509 419 A1, the film cuts on a branching of a predetermined transport direction are influenced in cooperation with a transfer device with a deflection edge in such a way that with each film cut the film remainder for transfer to a remainder roll in a branch Transfer direction is withdrawn from the backing paper, while the backing paper with the advertising lettering or advertising graphic remaining on its top is removed in the predetermined transport direction. In order to enable the removal of the film residue from the backing paper, which is defined as the actual stripping, the leading edge of each film blank is cut obliquely at an obtuse angle by means of a cutting device before the deflection edge is reached, so that the top of the cover film over the underside of the backing paper protrudes forward in the transport direction. As a result, an initial line contact with a rubber-elastic cushion of the transfer device provided on the arrival of a film blank on the deflection edge can be obtained for the cover film, so that when it is subsequently connected Movement in the transfer direction of the edge region of the cover film immediately adjoining the bevel of the leading edge then adheres to the pad via its back-sided adhesive layer and remains adhered to the pad until it is transferred to the remainder roll, as a result of which the remainder of the film is securely removed from the backing paper can be deducted.

Bei dem bekannten Entstrippen ergibt die Qualität des an der vorlaufenden Kante jedes Folienzuschnitts anfänglich ausgeführte Schrägschnittes eine maßgebliche Einflußgröße für ein störungsfreies Einleiten des Abziehens der Deckfolie resp. des Folienrestes von dem Trägerpapier im Zusammenwirken der Transfereinrichtung mit der Umlenkkante. Das Abziehen wird dabei um so mehr problematisch, je dünner die Deckfolie im Vergleich zu dem Trägerpapier ist und je weniger es anfänglich möglich ist, die Deckfolie über ihre rückseitige Haftkleberschicht an dem Polster der Transfereinrichtung so stark festzukleben, daß die für das Abziehen der Deckfolie im Zusammenwirken mit der Umlenkkante erforderlichen Zugkräfte in der dafür erforderlichen Höhe überhaupt erzeugt werden können.In the known stripping, the quality of the bevel cut initially carried out on the leading edge of each film cut results in a significant influencing variable for a trouble-free initiation of the removal of the cover film or. the remainder of the film from the backing paper in cooperation with the transfer device with the deflection edge. The peeling is the more problematic, the thinner the cover film compared to the backing paper and the less it is initially possible to stick the cover film so strongly to the pad of the transfer device via its adhesive layer on the back that the for removing the cover film in Interaction with the deflection edge required tensile forces can be generated in the required amount at all.

Der Erfindung liegt die Aufgabe zugrunde, das bekannte Entstrippen von laminierten Folienzuschnitten derart weiterzubilden, daß unter Beibehaltung einer größtmöglichen Schonung der auf dem Trägerpapier bei dem Abziehen der Deckfolie resp. des Folienrestes verbleibenden Werbeschrift oder Werbegraphik auf die Ausführung eines Schrägschnittes an der vorlaufenden Kante jedes Folienzuschnitts verzichtet werden kann.The invention has for its object to develop the known stripping of laminated film blanks in such a way that while maintaining the greatest possible protection of the on the backing paper when the cover film is removed or. of the remainder of the foil or advertising graphic, it is not necessary to make an oblique cut on the leading edge of each foil blank.

Gemäß einem Hauptmerkmal der Erfindung ist für das Entstrippen von laminierten Folienzuschnitten eine Schneideinrichtung vorgesehen, mit welcher an einem vorlaufenden Randbereich jedes Folienzuschnitts in einem Abstand von dessen vorlaufender Kante eine quer zu der Transportrichtung verlaufende Trennlinie von der Unterseite her mindestens in das Trägerpapier eingeschnitten wird. Im Anschluß an dieses Einschneiden der Trennlinie wird dann der vorlaufende Randbereich jedes Folienzuschnitts von einer Klemmeinrichtung der Transfereinrichtung übernommen, um im analogen Zusamenwirken mit einer Umlenkkante die Deckfolie resp. den Folienrest für eine Übergabe an eine Resterolle von dem Trägerpapier abzuziehen, während das Trägerpapier mit der an seiner Oberseite verbleibenden Werbeschrift oder Werbegraphik in der ursprünglich vorgegebenen Transportrichtung entfernt wird. Das Abziehen der Deckfolie resp. des Folienrestes von dem Trägerpapier kann damit störungsfrei eingeleitet und bis zur Übernahme des Folienrestes durch die Resterolle fortgesetzt werden.According to a main feature of the invention, a cutting device is provided for the stripping of laminated film blanks, with which a dividing line running transversely to the transport direction is cut at least from the underside into the backing paper on a leading edge region of each film blank at a distance from its leading edge. Following this incision of the dividing line, the leading edge region of each film cut is then taken over by a clamping device of the transfer device, in order to analogously interact with a deflecting edge of the cover film or. remove the film residue from the backing paper for transfer to a remainder roll, while the backing paper with the advertising lettering or advertising graphic remaining on its top is removed in the originally specified transport direction. The removal of the cover film resp. the remainder of the film from the backing paper can thus be introduced without problems and continued until the remainder of the film is taken over by the remainder of the roll.

Ein Ausführungsbeispiel der erfindungsgemäßen Vorrichtung ist in der Zeichnung schematisch dargestellt und wird nachfolgend näher erläutert. Es zeigt

Fig. 1
eine Schemaansicht der Schneideinrichtung mit einer Anordnung an einem vorlaufenden Randbereich eines Folienzuschnittes,
Fig. 2
eine Schemaansicht der Transfereinrichtung in einer Anordnung, in welcher der vorlaufende Randbereich des Folienzuschnittes nach dem Einschneiden einer Trennlinie in das Trägerpapier übernommen wird, und
Fig. 3
eine Schemaansicht der Transfereinrichtung in einer Anordnung, in welcher der verlaufende Randbereich in einer von einer vorgegebenen Transportrichtung abgezweigten Transferrichtung weiter bewegt ist.
An embodiment of the device according to the invention is shown schematically in the drawing and is explained in more detail below. It shows
Fig. 1
2 shows a schematic view of the cutting device with an arrangement on a leading edge region of a film blank,
Fig. 2
a schematic view of the transfer device in an arrangement in which the leading edge region the film cut is taken after cutting a dividing line in the backing paper, and
Fig. 3
a schematic view of the transfer device in an arrangement in which the extending edge region is moved further in a transfer direction branched off from a predetermined transport direction.

Da die vorliegende Erfindung unmittelbar an dem bekannten Verfahren und der Vorrichtung zum Entstrippen von laminierten Folienzuschnitten gemaß der EP 0 509 419 A1 orientiert wurde, sind in der Zeichnung nur diejenigen Einzelheiten der Vorrichtung schematisch dargestellt, welche die Erfindung gegenüber der bekannten Vorrichtung unterscheiden. Die Vorrichtung umfasst daher ebenfalls eine Transporteinrichtung (nicht dargestellt), mit welcher die aus einer Deckfolie 1 und einem Trägerpapier 2 bestehenden Folienzuschnitte 3 in einer vorgegebenen Transportrichtung 4 transportiert werden. Die über eine Haftkleberschicht auf das Trägerpapier auflaminierte Deckfolie ist mit Einschnitten versehen, welche eine Werbeschrift oder Werbegraphik ausbilden, die auf dem Trägerpapier verbleibt, wenn die Deckfolie resp. der an die Einschnitte angrenzende Folienrest im Zusammenwirken einer Transfereinrichtung 5 mit einer Umlenkkante 6 in einer abgezweigten Transferrichtung 7 von dem Trägerpapier abgezogen wird, sobald in das Trägerpapier eines vorlaufenden Randbereichs der Folienzuschnitte eine Trennlinie mittels eines Messers 8 einer Schneideinrichtung 9 eingeschnitten wurde.Since the present invention was based directly on the known method and the device for stripping laminated film blanks in accordance with EP 0 509 419 A1, only those details of the device which differentiate the invention from the known device are shown schematically in the drawing. The device therefore also comprises a transport device (not shown) with which the film blanks 3 consisting of a cover film 1 and a carrier paper 2 are transported in a predetermined transport direction 4. The cover film laminated onto the backing paper via a pressure-sensitive adhesive layer is provided with incisions which form an advertising lettering or advertising graphic which remains on the backing paper when the cover film or. the film remainder adjacent to the incisions, in the interaction of a transfer device 5 with a deflection edge 6, is pulled off the carrier paper in a branched transfer direction 7 as soon as a dividing line has been cut into the carrier paper of a leading edge region of the film cuts by means of a knife 8 of a cutting device 9.

Die Schneideinrichtung 9 ist mit einem Messerträger 10 ausgebildet, bei welchem das Messer 8 an einem Einführspalt 11 für den vorlaufenden Randbereich 12 jedes Folienzuschnitts 3 derart angeordnet ist, daß mit dem Messer 8 in das Trägerpapier 2 von der Unterseite her eine quer zu der Transportrichtung 4 verlaufende Trennlinie eingeschnitten werden kann. Für das Einschneiden der Trennlinie wird der Messerträger 10 in Richtung des Doppelpfeils 13 hin- und herbewegt. Der vorlaufende Randbereich ist dafür zuerst in den Einführspalt 11 so weit vorbewegt worden, daß für die Wirkungslinie des Messers 8 ein vorbestimmter Abstand von der vorlaufenden Kante des betreffenden Folienzuschnittes erhalten wurde. Danach erfolgte noch dessen Festklemmen durch eine Klemmeinrichtung, die mit einer Abziehleiste 14 und einer dazu relativ beweglichen Klemmleiste 15 ausgebildet ist. Die Abziehleiste 14 ist zur Ausbildung der Umlenkkante 6 mit einer Spitze versehen, in welcher sich zwei Leitflächen für die Deckfolie 1 und den Folienrest 16 jedes Folienzuschnitts 3 treffen. Die Leitflächen verlaufen parallel zu der vorgegebenen Transportrichtung 4 und zu der davon abgezweigten Transferrichtung 7. Die Klemmleiste 15 ist von der Unterseite des Trägerpapiers 2 her gegen die zu der Transportrichtung 4 parallele Leitfläche bewegbar, um so den betreffenden Folienzuschnitt 3 gegen die Abziehleiste festklemmen zu können. Dieses Festklemmen wird wieder aufgehoben, sobald der vorlaufende Randbereich 12 nach dem Einschneiden der Trennlinie in sein Trägerpapier 2 und nach einem Herausbewegen der Schneideinrichtung 9 aus der Bewegungsbahn des betreffenden Folienzuschnitts 3 an die Transfereinrichtung 5 übergeben wurde.The cutting device 9 is formed with a knife carrier 10, in which the knife 8 is at an insertion gap 11 for the leading edge region 12 of each film blank 3 is arranged such that a dividing line running transversely to the transport direction 4 can be cut into the carrier paper 2 from the underside with the knife 8. To cut the dividing line, the knife carrier 10 is moved back and forth in the direction of the double arrow 13. For this purpose, the leading edge region has first been advanced so far into the insertion gap 11 that a predetermined distance from the leading edge of the film blank in question has been obtained for the line of action of the knife 8. Then it was still clamped by a clamping device which is formed with a pull-off bar 14 and a relatively movable clamping bar 15. The pull-off strip 14 is provided with a tip to form the deflection edge 6, in which two guide surfaces for the cover film 1 and the film remainder 16 of each film blank 3 meet. The guide surfaces run parallel to the predetermined transport direction 4 and to the transfer direction 7 branched therefrom. The clamping strip 15 can be moved from the underside of the carrier paper 2 against the guide surface parallel to the transport direction 4, so that the relevant film blank 3 can be clamped against the pull-off strip . This clamping is released again as soon as the leading edge area 12 has been transferred to the transfer device 5 after the cutting line has been cut into its backing paper 2 and after the cutting device 9 has been moved out of the movement path of the film blank 3 in question.

Die Transfereinrichtung 5 ist wie bei der bekannten Vorrichtung gemäß der EP 0 509 419 A1 für einen Weitertransport des von dem Trägerpapier 2 im Zusammenwirken mit der Umlenkkante 6 abgezogenen Folienrestes 16 hin zu einer Resterolle (nicht dargestell) ausgebildet. Die Transfereinrichtung wird dafür aus der in Fig. 2 gezeigten Übernahmeposition in der Transferrichtung 7 bewegt. Die Transfereinrichtung 5 weist eine Klemmeinrichtung auf, die mit einer Klemmleiste 17 und einer Klemmrolle 18 ausgebildet ist. Die Klemmrolle 18 ist an einer Drehachse 19 mit der Klemmleiste 17 verbunden, um ein relatives Verschwenken der Klemmrolle aus der in Fig. 2 in ausgezogenen Linien dargestellten Relativlage in die in gestrichelten Linien dargestellte Relativlage 18' zu ermöglichen, in welcher ein Klemmspalt der Klemmeinrichtung 5 für ein Festklemmen des vorlaufenden Randbereichs 12 eines betreffenden Folienzuschnitts 3 geschlossen ist, sobald mit der Schneideinrichtung 9 die Trennlinie 20 in das Trägerpapier 2 eingeschnitten wurde. Wenn daher die Transfereinrichtung 5 nach dem erfolgten Festklemmen des vorlaufenden Randbereichs 12 in der Transferrichtung 7 bewegt wird, dann wird dabei im Zusammenwirken mit der Umlenkkante 6 der Folienrest 16 von dem Trägerpapier 2 abgezogen. Die Trennlinie 20, deren Schnitttiefe mindestens bis zu der Unterseite der Deckfolie 1 reichen sollte und zweckmäßig auch ein Anritzen dieser Unterseite der Deckfolie einschließt, stellt hierbei sicher, daß der Folienrest mit der Bereitstellung einer genügend großen Zugkraft durch die Klemmkraft der Klemmeinrichtung anfänglich ohne jede Beschädigungsgefahr der auf dem Trägerpapier verbleibenden Werbeschrift oder Werbegraphik von dem Trägerpapier abgezogen werden kann.As in the known device according to EP 0 509 419 A1, the transfer device 5 is for further transport of the formed from the backing paper 2 in cooperation with the deflecting edge 6 of the film residue 16 removed to form a residual roll (not shown). For this purpose, the transfer device is moved from the takeover position shown in FIG. 2 in the transfer direction 7. The transfer device 5 has a clamping device which is designed with a clamping bar 17 and a clamping roller 18. The clamping roller 18 is connected to the clamping bar 17 on an axis of rotation 19 in order to enable a relative pivoting of the clamping roller from the relative position shown in solid lines in FIG. 2 into the relative position 18 ′ shown in dashed lines, in which a clamping gap of the clamping device 5 for clamping the leading edge region 12 of a film blank 3 in question is closed as soon as the dividing line 20 has been cut into the carrier paper 2 with the cutting device 9. Therefore, if the transfer device 5 is moved in the transfer direction 7 after the leading edge region 12 has been clamped in place, then in cooperation with the deflecting edge 6 the film residue 16 is pulled off the backing paper 2. The dividing line 20, the depth of cut of which should extend at least to the underside of the cover sheet 1 and expediently also includes a scoring of this underside of the cover sheet, ensures that the remainder of the sheet is initially provided without any risk of damage by providing a sufficiently large tensile force by the clamping force of the clamping device the advertising lettering or advertising graphic remaining on the carrier paper can be subtracted from the carrier paper.

Sobald der Folienrest von der Resterolle übernommen ist und dabei die Klemmeinrichtung der Transfereinrichtung 5 für eine Freigabe des damit festgeklemmten Randbereichs 12 gelöst wurde, verbleibt die Transfereinrichtung in einer Position relativ zu der Abziehleiste 14, in welcher die Aufnahme des Folienrestes auf die Resterolle nicht behindert wird. Die Transfereinrichtung wird erst dann wieder in Richtung des Pfeiles 7' in die in Fig. 2 gezeigte Position zurückgebracht, nachdem bei einem nächsten Folienzuschnitt in das Trägerpapier seines vorlaufenden Randbereichs 12 eine Trennlinie 20 eingeschnitten wurde. Die Schneideinrichtung ist dafür dann ebenfalls wieder zuvor in die Bewegungsbahn dieses nächsten Folienzuschnittes zurückgebracht worden.As soon as the remainder of the film is taken over by the remainder roll and the clamping device of the transfer device 5 for one Release of the thus clamped edge region 12 has been released, the transfer device remains in a position relative to the pull-off bar 14 in which the absorption of the film residue on the remainder roll is not hindered. The transfer device is only brought back into the position shown in FIG. 2 in the direction of arrow 7 'after a dividing line 20 has been cut into the carrier paper of its leading edge region 12 during a next cut of the film. For this purpose, the cutting device has also previously been brought back into the path of movement of this next film blank.

Claims (12)

Verfahren zum Entstrippen von laminierten Folienzuschnitten, die in einer über eine rückseitige Haftkleberschicht mit einem Trägerpapier verklebten Deckfolie mit Einschnitten versehen sind, welche eine zum selbstklebenden Anbringen an einer Werbefläche konzipierte Werbeschrift oder Werbegraphik ausbilden, die auf dem Trägerpapier verbleibt, wenn ein Folienrest der Deckfolie vom dem Trägerpapier der Folienzuschnitte abgezogen wird, mit - einer Transporteinrichtung, welche die Folienzuschnitte (3) in einer vorgegebenen Transportrichtung (4) transportiert; - einer in der vorgegebenen Transportrichtung (4) angeordneten Schneideinrichtung (9), mit welcher an einem vorlaufenden Randbereich (12) jedes Folienzuschnitts in einem vorbestimmten Abstand von dessen vorlaufender Kante eine quer zu der Transportrichtung verlaufende Trennlinie (20) von der Unterseite her mindestens in das Trägerpapier (2) eingeschnitten wird; - einer Transfereinrichtung (5), mit welcher der an dem Trägerpapier (2) eingeschnittene Randbereich (12) jedes Folienzuschnitts (3) an einer mit der Deckfolie (1) zusammenwirkenden Umlenkkante (6) in einer von der Transportrichtung (4) abgezweigten Transferrichtung (7) weitertransportiert wird, wobei der Folienrest (16) an der Umlenkkante (6) von dem Trägerpapier (2) abgezogen wird, um an eine in der Transferrichtung (7) nachgeschaltete Resterolle übergeben zu werden, während das Trägerpapier (2) mit der an seiner Oberseite verbleibenden Werbeschrift oder Werbegraphik in der vorgegebenen Transportrichtung (4) entfernt wird. Process for the stripping of laminated film blanks, which are provided in a cover film glued to a backing layer of adhesive with a backing paper with incisions which form an advertising lettering or advertising graphic designed for self-adhesive attachment to an advertising surface, which remains on the backing paper when a film residue of the cover film is removed the backing paper of the film blanks is pulled off with - A transport device that transports the film blanks (3) in a predetermined transport direction (4); - A cutting device (9) arranged in the predetermined transport direction (4), with which a dividing line (20) extending transversely to the transport direction from the underside at least in at a leading edge area (12) of each film cut at a predetermined distance from its leading edge the carrier paper (2) is cut; - A transfer device (5) with which the edge area (12) of each film cut (3) cut into the carrier paper (2) on a deflecting edge (6) cooperating with the cover film (1) in a transfer direction branched off from the transport direction (4) 7) is transported further, with the film residue (16) the deflection edge (6) is pulled off the backing paper (2) in order to be transferred to a residual roll connected in the transfer direction (7), while the backing paper (2) with the advertising lettering or advertising graphic remaining on its top in the predetermined transport direction (4 ) Will get removed. Verfahren nach Anspruch 1, bei welchem die Trennlinie (20) in das Trägerpapier (2) jedes Folienzuschnitts (3) mit einer mindestens bis zu der Unterseite der Deckfolie (1) reichenden Schnittiefe eingeschnitten wird.Method according to Claim 1, in which the dividing line (20) is cut into the carrier paper (2) of each film blank (3) with a depth of cut reaching at least to the underside of the cover film (1). Verfahren nach Anspruch 2, bei welchem die Trennlinie (20) mit einer bis zu einem Anritzen der Unterseite der Deckfolie (1) reichenden Schnittiefe ausgeführt wird.Method according to Claim 2, in which the dividing line (20) is carried out with a depth of cut extending to scoring the underside of the cover film (1). Verfahren nach einem der Ansprüche 1 bis 3, bei welchem das Einschneiden des Trägerpapiers (2) des vorlaufenden Randbereichs (12) jedes Folienzuschnitts (3) in der unmittelbaren Nähe der Umlenkkante (6) ausgeführt wird.Method according to one of Claims 1 to 3, in which the cutting in of the carrier paper (2) of the leading edge region (12) of each foil blank (3) is carried out in the immediate vicinity of the deflection edge (6). Verfahren nach einem der Ansprüche 1 bis 4, bei welchem jeder Folienzuschnitt (3) durch eine zwischen seiner Oberseite und seiner Unterseite wirkende Klemmkraft für die Dauer des Einschneidens der Trennlinie (20) in das Trägerpapier (2) des vorlaufenden Randbereichs (12) festgeklemmt wird.Method according to one of claims 1 to 4, in which each film blank (3) is clamped by a clamping force acting between its upper side and its lower side for the duration of the cutting of the dividing line (20) in the carrier paper (2) of the leading edge region (12) . Verfahren nach einem der Ansprüche 1 bis 5, bei welchem der vorlaufende Randbereich (12) jedes Folienzuschnitts (3) nach dem Einschneiden der Trennlinie (20) in das Trägerpapier (2) durch eine Klemmeinrichtung (17, 18) der Transfereinrichtung (5) bis zu der Übergabe des Folienrests (16) an die Resterolle festgeklemmt wird.Method according to one of Claims 1 to 5, in which the leading edge region (12) of each film blank (3) after the cutting line (20) has been cut into the carrier paper (2) is clamped by a clamping device (17, 18) of the transfer device (5) until the film residue (16) is transferred to the remainder roll. Vorrichtung zum Entstrippen von laminierten Folienzuschnitten, die in einer über eine rückseitige Haftkleberschicht mit einem Trägerpapier verklebten Deckfolie mit Einschnitten versehen sind, welche eine zum selbstklebenden Anbringen an einer Werbefläche konzipierte Werbeschrift oder Werbegraphik ausbilden, die auf dem Trägerpapier verbleibt, wenn ein Folienrest der Deckfolie von dem Trägerpapier der Folienzuschnitte im Zusammenwirken einer Transfereinrichtung (5) mit einer Umlenkkante (6) in einer von einer vorgegebenen Transportrichtung (4) der Folienzuschnitte (3) abgezweigten Transferrichtung (7) abgezogen wird, mit - einer Schneideinrichtung (9), mit welcher mindestens in das Trägerpapier (2) des vorlaufenden Randbereichs (12) jedes in der vorgegebenen Transportrichtung (4) transportierten Folienzuschnitts (3) eine quer zu der Transportrichtung verlaufende Trennlinie (20) in einem vorbestimmten Abstand von dessen vorlaufender Kante von der Unterseite her eingeschnitten wird; - einer an der Transfereinrichtung (5) angeordneten Klemmeinrichtung (17, 18), mit welcher der an seinem Trägerpapier (2) mit der eingeschnittenen Trennlinie (20) versehene vorlaufende Randbereich (12) für das Abziehen des Folienrestes (16) von dem Trägerpapier (2) bis zu der Übergabe des Folienrestes an eine Resterolle anfänglich festgeklemmt wird. Device for stripping laminated film blanks, which are provided in a cover film glued to a backing adhesive layer with a carrier paper with incisions, which form an advertising lettering or advertising graphic designed for self-adhesive attachment to an advertising surface, which remains on the carrier paper when a film residue of the cover film is removed the backing paper of the film blanks in cooperation with a transfer device (5) with a deflection edge (6) in a transfer direction (7) branched off from a predetermined transport direction (4) of the film blanks (3) - A cutting device (9) with which, at least in the carrier paper (2) of the leading edge region (12) of each foil blank (3) transported in the predetermined transport direction (4), a dividing line (20) running transversely to the transport direction at a predetermined distance of whose leading edge is cut from the bottom; - A clamping device (17, 18) arranged on the transfer device (5), with which the leading edge area (12) provided on its carrier paper (2) with the cut-in dividing line (20) for pulling off the film residue (16) from the carrier paper ( 2) is initially clamped until the film remnant is transferred to a remainder roll. Vorrichtung nach Anspruch 7, bei welcher die Schneideinrichtung (9) in der unmittelbare Nähe der Umlenkkante (6) angeordnet ist.Apparatus according to claim 7, wherein the cutting device (9) is arranged in the immediate vicinity of the deflection edge (6). Vorrichtung nach Anspruch 7 oder 8, bei welcher die Umlenkkante (6) mit der Spitze einer Abziehleiste (14) augebildet ist, welche zwei zu der Transportrichtung (4) und zu der Transferrichtung (7) parallele, sich in der Spitze treffende Leitflächen für die Deckfolie (1) und den Folienrest (16) aufweist, wobei mit der zu der Transportrichtung (4) parallelen Leitfläche ein relativ beweglicher Klemmteil (15) zusammenwirkt, mit welchem jeder Folienzuschnitt (3) für die Dauer des Einschneidens der Trennlinie (20) in das Trägerpapier (2) seines vorlaufenden Randbereichs (12) von der Unterseite her gegen diese Leitfläche der Abziehleiste (14) festgeklemmt wird.Apparatus according to claim 7 or 8, in which the deflection edge (6) is formed with the tip of a pull-off strip (14) which has two guide surfaces which meet in the tip and which are parallel to the transport direction (4) and to the transfer direction (7) Cover film (1) and the remainder of the film (16), with the guide surface parallel to the transport direction (4) cooperating with a relatively movable clamping part (15) with which each film blank (3) for the duration of the cutting of the dividing line (20) in the backing paper (2) of its leading edge area (12) is clamped from the underside against this guide surface of the pull-off strip (14). Vorrichtung nach einem der Ansprüche 7 bis 9, bei welcher die Schneideinrichtung (10) mit einem quer zu der Transportrichtung (4) hin- und herbeweglichen Messerträger (10) für ein Messer (8) ausgebildet ist, mit welchem die Trennlinie (20) in das Trägerpapier (2) des vorlaufenden Randbereichs (12) fortschreitend eingeschnitten wird.Device according to one of Claims 7 to 9, in which the cutting device (10) is designed with a knife carrier (10) which can be moved back and forth transversely to the transport direction (4) for a knife (8) with which the dividing line (20) in the carrier paper (2) of the leading edge area (12) is cut progressively. Vorrichtung nach einem der Ansprüche 7 bis 10, bei welcher die Klemmeinrichtung der Transfereinrichtung (5) mit zwei relativ zueinander beweglichen Klemmteilen (17, 18) ausgebildet ist, die für ein Festklemmen des vorlaufenden Randbereichs (12) jedes Folienzuschnitts (3) für eine Anlage an der Oberseite der Deckfolie (1) und an der Unterseite des Trägerpapiers (2) angeordnet sind.Device according to one of Claims 7 to 10, in which the clamping device of the transfer device (5) is designed with two clamping parts (17, 18) which are movable relative to one another and which are used for clamping the leading edge region (12) of each film blank (3) for a system are arranged on the top of the cover film (1) and on the underside of the backing paper (2). Vorrichtung nach Anspruch 11, bei welcher die beiden Klemmteile (17, 18) über eine quer zu der vorgegebenen Transportrichtung (4) verlaufende Drehachse (19) miteinander verbunden sind, so daß ein einstellbarer Klemmspalt für den vorlaufenden Randbereich (12) jedes Folienzuschnitts (3) durch ein relatives Verschwenken der beiden Klemmteile geschlossen und geöffnet werden kann.Device according to Claim 11, in which the two clamping parts (17, 18) are connected to one another via an axis of rotation (19) running transversely to the predetermined transport direction (4), so that an adjustable clamping gap for the leading edge region (12) of each film blank (3 ) can be closed and opened by a relative pivoting of the two clamping parts.
EP19940114432 1993-09-24 1994-09-14 Method and device for delaminating laminated strips Expired - Lifetime EP0645310B1 (en)

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DE19934332564 DE4332564A1 (en) 1993-09-24 1993-09-24 Method and device for stripping laminated film blanks
DE4332564 1993-09-24

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EP0645310B1 EP0645310B1 (en) 1997-05-14

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DE4332564A1 (en) 1995-03-30
US5545282A (en) 1996-08-13
DE59402731D1 (en) 1997-06-19
ATE152989T1 (en) 1997-05-15

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