EP0645310B1 - Method and device for delaminating laminated strips - Google Patents

Method and device for delaminating laminated strips Download PDF

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Publication number
EP0645310B1
EP0645310B1 EP19940114432 EP94114432A EP0645310B1 EP 0645310 B1 EP0645310 B1 EP 0645310B1 EP 19940114432 EP19940114432 EP 19940114432 EP 94114432 A EP94114432 A EP 94114432A EP 0645310 B1 EP0645310 B1 EP 0645310B1
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EP
European Patent Office
Prior art keywords
base paper
sheet
leading edge
transfer
conveying 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.)
Expired - Lifetime
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EP19940114432
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German (de)
French (fr)
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EP0645310A1 (en
Inventor
Peter Bechmann
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Individual
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Individual
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Publication of EP0645310A1 publication Critical patent/EP0645310A1/en
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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 made on the leading edge of each film cut results in a significant influencing variable for a trouble-free 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 from the underside into the carrier paper with a maximum of up to at a leading edge region of each film blank at a distance from its leading edge a cutting depth reaching into the underside of the cover film is cut.
  • the leading edge region of each film cut is then taken over by a clamping device of the transfer device in order to cooperate with a deflecting edge to cover 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 layer of pressure-sensitive adhesive 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 moved so far into the insertion gap 11 that a predetermined distance from the leading edge of the relevant film blank has been obtained for the line of action of the knife 8. Then it was still clamped by a clamping device, which is designed with a pull-off bar 14 and a relatively movable clamping bar 15.
  • the pull-off strip 14 is provided with a tip for forming the deflection edge 6, in which two guide surfaces for the cover film 1 and the film rest 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 path of movement of the film blank 3 in question.
  • the transfer device 5 is for further transport of the formed from the carrier paper 2 in cooperation with the deflection edge 6 peeled off film residue 16 to 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 pinch roller 18 is connected to the pin bar 17 on an axis of rotation 19 to enable the pinch roller to pivot relative from the relative position shown in solid lines in FIG.
  • the dividing line 20, the depth of cut of which should extend at least to the underside of the cover film 1 and expediently also includes a scoring of this underside of the cover film, ensures that the remainder of the film with the provision of a sufficiently large tensile force by the clamping force of the clamping device initially without any risk of damage the advertising lettering or advertising graphic remaining on the carrier paper can be subtracted from the carrier paper.
  • 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 ausgeführten Schrägschnittes eine maßgebliche Einflußgröße für ein störungsfreies Abziehen 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 made on the leading edge of each film cut results in a significant influencing variable for a trouble-free 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 in das Trägerpapier mit einer höchstens bis zu einem Anritzen der Unterseite der Deckfolie reichenden Schnittiefe eingeschnitten wird. Im Anschluß an dieses Einschneiden der Trennlinie wird dann der vorlaufende Randbereich jedes Folienzuschnitts von einer Klemmeinrichtung der Transfereinrichtung übernommen, um im 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 from the underside into the carrier paper with a maximum of up to at a leading edge region of each film blank at a distance from its leading edge a cutting depth reaching into the underside of the cover film is cut. 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 cooperate with a deflecting edge to cover 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 weiterbewegt 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 gemäß 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 according to 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 layer of pressure-sensitive adhesive 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 moved so far into the insertion gap 11 that a predetermined distance from the leading edge of the relevant film blank has been obtained for the line of action of the knife 8. Then it was still clamped by a clamping device, which is designed with a pull-off bar 14 and a relatively movable clamping bar 15. The pull-off strip 14 is provided with a tip for forming the deflection edge 6, in which two guide surfaces for the cover film 1 and the film rest 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 path of movement 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 dargestellt) 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 carrier paper 2 in cooperation with the deflection edge 6 peeled off film residue 16 to 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 pinch roller 18 is connected to the pin bar 17 on an axis of rotation 19 to enable the pinch roller to pivot relative from the relative position shown in solid lines in FIG. 2 to the relative position 18 ′ shown in dashed lines, in which a pinch gap of the clamping device 5 for clamping the leading edge region 12 of a relevant film blank 3 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 film 1 and expediently also includes a scoring of this underside of the cover film, ensures that the remainder of the film with the provision of a sufficiently large tensile force by the clamping force of the clamping device initially without any risk of damage 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 (8)

  1. Method of stripping laminated sheet blanks provided with indentations in a liner sheet adhesively fixed at a base paper by means of a self-adhesive layer on its rear side, which indentations constitute a lettered or graphic advertising representation designed for self-adhesive attachment on an advertising area, which lettered or graphic advertising representation remains on said base paper when a residual sheet portion of said liner sheet is stripped off said base paper of said sheet blanks, including
    - conveyor means carrying said sheet blanks (3) in a predetermined conveying direction (4);
    - cutting means (9) disposed along said conveying direction (4), by means of which a parting line (20) is indented in said base paper (2) at a leading edge zone (12) of each sheet blank, at a predetermined spacing from the leading edge thereof and across said conveying direction, from the bottom side of said base paper, at a depth of cut extending at most up to the point where the bottom side of said liner sheet (1) is scratched;
    - transfer means (5) used to retain said leading edge zone (12) indented at said base paper (2) of each sheet blank by means of retainer means and to forward same to a defector edge (6) interacting with said liner sheet (1) in a transfer direction (7) branching off said conveying direction (4), with said residual sheet portion (16) being stripped off said base paper at said deflector edge (6) for being transferred to a reject take-up reel downstream in said transfer direction (7), whilst said base paper (2) at said lettered or graphic advertising representation, which remains on the top side thereof, is removed in said predetermined conveying direction (4).
  2. Method according to Claim 1, wherein the indentation of said base paper (2) of said leading edge zone (12) of each sheet blank (3) is performed in the immediate vicinity of said deflector edge (6).
  3. Method according to Claim 1 or 2, wherein each sheet blank (3) is retained by a retaining force acting between its top and bottom sides, throughout the period of indentation of said parting line (20) in said base paper (2) of said leading edge zone (12).
  4. Device for stripping laminated sheet blanks provided with indentations in a liner sheet adhesively fixed to a base paper by means of a self-adhesive layer on its rear side, which indentations constitute a lettered or graphic advertising representation designed for self-adhesive attachment on an advertising area, which lettered or graphic representation remains on said base paper when a residual sheet portion of said liner sheet is stripped off said base paper of said sheet blanks, by interaction of said transfer means (5) with a deflector edge (6) in a transfer direction branching off said conveying direction (4) of said sheet blanks (3) characterized by:
    - cutting means (9) configured such that a parting line (20) is indented in said base paper (2) at a leading edge zone (12) of each sheet blank, at a predetermined spacing from the leading edge thereof and across the conveying direction, from the bottom side of said base paper, at a depth of cut which extends at most up to a point where the bottom side of said liner sheet (1) is scratched;
    - retainer means (17, 18) mounted at said transfer means (5) and configured such that said leading edge zone (12), which is provided with said indented parting line (20), is initially retained up to the transfer of the residual sheet portion to a reject take-up reel, so as to strip off said residual sheet portion (16) from said base paper.
  5. Device according to Claim 4, wherein said cutting means (9) are mounted in the immediate vicinity of said deflector edge (6).
  6. Device according to Claim 4 or 5, wherein said deflector edge (6) is formed at the apex of a stripping ridge (14) including two guide surfaces for guiding said liner sheet (1) and said residual sheet portion (16), with these guide surfaces extending in parallel with said conveying (4) and transfer (7) directions and meeting at the apex, whilst a comparatively mobile retaining element (15) cooperates with the guide surface parallel to the conveying direction (4) and serves to retain each sheet blank (3) against this guide surface of said stripping ridge (14) throughout the period of indentation of said parting line (20).
  7. Device according to any of Claims 4 to 6, wherein said cutting means (9) are designed with a blade support (10) suitable to reciprocate across said conveying direction (4), which carries a blade (8) which is employed for progressively indenting said parting line (20) in said base paper (2) of said leading edge zone (12).
  8. Device according to any of Claims 4 to 7, wherein said retainer means of said transfer means (5) are designed with two retaining elements (17, 18) which are mobile relative to each other and which are disposed so as to retain said leading edge zone (12) of each sheet blank (3) such that it will bear against said top side of said liner sheet (1) and the bottom side of said base paper (2).
EP19940114432 1993-09-24 1994-09-14 Method and device for delaminating laminated strips Expired - Lifetime EP0645310B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19934332564 DE4332564A1 (en) 1993-09-24 1993-09-24 Method and device for stripping laminated film blanks
DE4332564 1993-09-24

Publications (2)

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EP0645310A1 EP0645310A1 (en) 1995-03-29
EP0645310B1 true EP0645310B1 (en) 1997-05-14

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EP (1) EP0645310B1 (en)
AT (1) ATE152989T1 (en)
DE (2) DE4332564A1 (en)

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BE1008503A3 (en) * 1994-07-18 1996-05-07 Agfa Gevaert Nv Delamination the initiation of a dry process baar picture.
JPH0872837A (en) * 1994-09-06 1996-03-19 King Jim Co Ltd Peeling-off device for end of sheet with separable paper
KR100278137B1 (en) * 1997-09-04 2001-01-15 가나이 쓰도무 Method of mounting semiconductor device and system thereof, method of manufacturing semiconductor device isolator and IC card
JP3849339B2 (en) * 1999-03-01 2006-11-22 カシオ計算機株式会社 Peeling device
US6602736B1 (en) * 1999-03-03 2003-08-05 Hitachi, Ltd. Method and apparatus for separating semiconductor chips
US6444082B1 (en) * 2000-06-22 2002-09-03 International Business Machines Corporation Apparatus and method for removing a bonded lid from a substrate
US6656320B2 (en) * 2001-07-10 2003-12-02 Asm Technology Singapore Pte Ltd Removal of masking tape from lead frames
ES2346621B1 (en) * 2008-12-23 2011-08-03 Airbus Operations, S.L. PROCEDURE AND DEVICE FOR OBTAINING LONGITUDINAL PARTS.
DK2911890T3 (en) * 2012-10-29 2019-05-06 Esanastri S R L Device and method for thinning a multilayer web comprising a support liner and at least one adhesive film connected to the liner

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GB1148640A (en) * 1966-08-29 1969-04-16 Ricoh Kk Improvements in and relating to copying machines
US3921973A (en) * 1971-01-27 1975-11-25 Mita Industrial Co Ltd Apparatus for separating superimposed flexible sheet materials
JPS59104649A (en) * 1982-12-08 1984-06-16 Somar Corp Peeling device of protective film
DE3527712A1 (en) * 1985-08-02 1987-02-12 Roland Man Druckmasch FOLDING APPARATUS WITH A COLLECTING DEVICE BEFORE THE THIRD FOLD
US4670085A (en) * 1985-12-18 1987-06-02 Polaroid Corporation Apparatus for peeling print sheets from disposable sheet portions of film unit assemblies
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US5240539A (en) * 1992-02-19 1993-08-31 New Hermes Incorporated Process for making three-dimensional signage

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ATE152989T1 (en) 1997-05-15
DE59402731D1 (en) 1997-06-19
EP0645310A1 (en) 1995-03-29
US5545282A (en) 1996-08-13
DE4332564A1 (en) 1995-03-30

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