EP0566880A1 - Device for splicing successive paper webs wound in rolls - Google Patents

Device for splicing successive paper webs wound in rolls Download PDF

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Publication number
EP0566880A1
EP0566880A1 EP93104723A EP93104723A EP0566880A1 EP 0566880 A1 EP0566880 A1 EP 0566880A1 EP 93104723 A EP93104723 A EP 93104723A EP 93104723 A EP93104723 A EP 93104723A EP 0566880 A1 EP0566880 A1 EP 0566880A1
Authority
EP
European Patent Office
Prior art keywords
adhesive
layer
supply roll
roll
web
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP93104723A
Other languages
German (de)
French (fr)
Other versions
EP0566880B1 (en
Inventor
Gerd Stettner
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 Albert AG
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 Albert AG, Koenig and Bauer AG filed Critical Koenig and Bauer Albert AG
Publication of EP0566880A1 publication Critical patent/EP0566880A1/en
Application granted granted Critical
Publication of EP0566880B1 publication Critical patent/EP0566880B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H19/102—Preparing the leading end of the replacement web before splicing operation; Adhesive arrangements on leading end of replacement web; Tabs and adhesive tapes for 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
    • B65H2301/4606—Preparing leading edge for splicing
    • B65H2301/4607—Preparing leading edge for splicing by adhesive tape
    • 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
    • B65H2301/4606—Preparing leading edge for splicing
    • B65H2301/46078—Preparing leading edge for splicing the adhesive tab or tab having a cleavable or delaminating layer
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24934—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including paper layer
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2848—Three or more layers

Definitions

  • the invention relates to a gluing point arrangement for a new supply roll for the automated connection of roller conveyors, in particular paper rolls in rotary printing machines.
  • EP 04 18 527 A3 a method for preparing a roll of web-shaped printing material for automatic roll changers is known, with which an adhesive strip is used to fasten the leading edge of the roll of the printing material web to the outer layer of printing material web, which is divided into three zones over its entire length.
  • the two outer zones are provided with adhesive, and the middle zone is perforated and adhesive-free.
  • the perforation serves to separate the adhesive strip in its longitudinal direction, part of the adhesive strip remaining on the junction of the old and the new web, and the other part of the adhesive strip remaining on the surface of the second paper layer and the printing machine when the second layer is unrolled goes through.
  • a disadvantage of the method according to the perforated adhesive strips used is that the perforation is always cut in stages, ie jerkily, which can lead to tearing of the paper web to be glued or to deformation thereof.
  • a further disadvantage of the adhesive strip used in the process according to EP 04 18 527 A3 is that the perforation, as seen in the unwinding direction of the paper web, lies in front of the adhesive zone, so that when the beginning of the roller conveyor to be glued on is pressed automatically, it is parallel to the gluing process or already during The opening of the perforation already begins to glue, which can lead to a faulty adhesive connection between the two paper webs to be connected.
  • a splice point and a method for producing a splice point at the beginning of the path of a path angle are known, in which an adhesive tape is used which - seen in cross section - on the non-adhesive side at one end is provided with an adhesive strip coated on both sides.
  • This adhesive tape produced in this way is used to prepare a new supply roll, which is connected to an ending supply roll, with its adhesive side glued to the underside of the beginning of the upper layer in such a way that part of the adhesive tape protrudes to receive the running web one to the end going supply roll.
  • the beginning of the paper web is attached to the second layer of the paper supply roll with the adhesive strip on the back.
  • This method has the disadvantage that, in order to prepare the glue point on the new supply roll or the so-called web wrap, the beginning of the paper web must be folded in a loop in order to fasten the adhesive tape to the underside of the beginning of the web.
  • the invention has for its object to provide a gluing point arrangement for a new supply roll for the automated connection of a roller conveyor by adhesive strips with an asymmetrical cross section to an outgoing supply roll, in particular for a rotary printing press, by means of a roll changer, in which the adhesive strip can be easily and securely attached to the new supply roll is to be applied and tears open without jerk after the connection with the outgoing supply roll has been completed.
  • an adhesive strip with a symmetrical cross section is used, which makes the adhesive strip easy to roll up and easy to store.
  • the front view of a gluing point arrangement according to the invention is shown on a new supply roll 1.
  • the beginning 2 of the new supply roll 1 runs at an angle ⁇ to the central axis 3 of the new supply roll 1.
  • the angle ⁇ can be between 10 and 30 degrees.
  • an adhesive strip 6 is glued, which fastens the beginning of the roll 2 to the second layer 7 of the new supply roll 1 and has on its outside means for connecting to an outgoing web 8 which runs from an end supply roll 9 .
  • FIG. 3 the enlarged representation of the detail X according to FIG. 2 is shown in the preparation position for a web connection between an outgoing web 8 of a used supply roll 9 and the roll start 2 of a new supply roll 1.
  • the adhesive strip denoted overall by 6, is designed as a double-sided adhesive strip and has on its underside or on the side facing the new supply roll 1 two layers arranged next to one another with different adhesiveness.
  • a tape-shaped adhesive carrier 11 has a strong-acting adhesive layer on its upper side across the entire width, as seen in cross section.
  • the last-mentioned strong-acting adhesive layer 16 is connected to the beginning of the roll 2 of the new supply roll 1, in such a way that the front edge 4 of the adhesive layer 16 - in Direction of movement B seen - ends with the front edge 4 of the roll start 2 or lies immediately behind it.
  • the adhesive-free layer 14 serves to compensate for inaccuracies when applying the adhesive strip 6.
  • the one-time adhesive layer 13 is attached to the top of the second layer 7 of the new supply roll 1.
  • the third layer 18 of the new supply roll 1 is also indicated in FIG. 3.
  • the adhesive strip 6 shown in cross section in FIG. 3 can be manually or mechanically can be applied to the new supply roll 1 using known devices.
  • the new supply roll 1 is by known means, for. B. a circumferential accelerator, not shown, brought to the circumferential speed that corresponds to the speed of the outgoing web.
  • a pressing force acts in the direction of arrow C, e.g. B. from a pressure roller, not shown, so that the outgoing web 8 is pressed against the strong-acting adhesive layer 12 of the adhesive strip.
  • the position of the adhesive strip 6 is shown after tearing open. It can be seen here that the beginning of the roll 2 is already connected to the running or running web 8 and that the underside of the easily removable adhesive layer 13 has come off the top of the second layer 7. The easily removable adhesive layer 13 does not leave any adhesive residues on the surface of the second layer 7 and also no longer adheres itself, so that no adhesive residues remain in the machine. A remainder 19 of the outgoing web 8 is cut off by means of a symbolically illustrated separating knife 21.
  • FIG. 6 shows another embodiment variant in a representation according to FIG. 5 after being torn open. After the outgoing web 8 has been pressed against the strong-acting adhesive layer 12 of the adhesive strip 6 in the direction of arrow C, the web 8 is connected to the beginning of the roll 2 of the new supply roll 1.
  • the adhesive strip 6 has on its underside a cleavable adhesive layer 22 which is detached from the underside of the adhesive strip 6 after the connection process of the two paper webs and which remains on the second layer 7 of the new supply roll 1 with a strongly adhesive layer 24. Both the underside 23 of the adhesive strip 6 and the upper side 26 of the removable adhesive layer 22 are free of adhesive residues, so that no adhesive residues can adhere to the rollers or cylinders when the machine is running.
  • the beginning 2 of the roller conveyor of the supply roll 1, which is at an angle ⁇ to the central axis 3, can also have other known forms of adhesive preparation, for example a V-shape, a W-shape or a number of arrows. To form. Then the amount of the angle also changes.
  • the width of the adhesive strip 12 can be varied and, in particular, increased, so that the arrow shafts can be omitted in the case of a previously customary adhesive preparation, for example in the form of an arrow.
  • the layers 13; 16; 22 of the adhesive strips 6, deviating from the representations in FIGS. 3 to 6, can also be applied and not introduced.
  • the layer of strong adhesive power corresponds to a peeling force of 7.5 Newtons per 25 mm band width of an adhesive strip.
  • the layer of weak or unique adhesive capacity corresponds to a peeling force of 0.6 Newton per 25 mm strip width of an adhesive strip.

Abstract

In a splicing arrangement for a new supply roll (1) for the automatic splicing of roll webs, in particular of paper rolls in web-fed rotary printing machines, the object consists in readily and securely applying the adhesive tape (6) to the new supply roll (1), which adhesive tape tears off without jerking after complete splicing to an expiring residual roll (9). This object is achieved in that the adhesive tape (6), as a double-sided adhesive tape, is designed with a layer (12) of uniform adhesiveness on the first side to produce an adhesive splice to an expiring web (8) of a residual roll (9) and adhesive layers (16, 13, 22) of different adhesiveness arranged adjacent to one another on the second side. Here the adhesive tape (6) covers the start (2) of the paper web of the new supply roll (1) and fixes it to the second layer (7) of the supply roll. <IMAGE>

Description

Die Erfindung betrifft eine Klebestellenanordnung für eine neue Vorratsrolle zum automatisierten Verbinden von Rollenbahnen, insbesondere von Papierrollen in Rotationsdruckmaschinen.The invention relates to a gluing point arrangement for a new supply roll for the automated connection of roller conveyors, in particular paper rolls in rotary printing machines.

Gemäß EP 04 18 527 A3 ist ein Verfahren zum Vorbereiten einer Rolle bahnförmigen Bedruckstoffes für automatische Rollenwechsler bekannt, mit welchem ein Klebestreifen zum Befestigen der Rollenanfangskante der Bedruckstoffbahn auf der äußeren Bedruckstoffbahnlage verwendet wird, der über seine gesamte Länge in drei Zonen unterteilt ist. Dabei sind die beiden äußeren Zonen mit Klebstoff versehen, und die mittlere Zone ist perforiert und klebstofffrei ausgebildet.According to EP 04 18 527 A3, a method for preparing a roll of web-shaped printing material for automatic roll changers is known, with which an adhesive strip is used to fasten the leading edge of the roll of the printing material web to the outer layer of printing material web, which is divided into three zones over its entire length. The two outer zones are provided with adhesive, and the middle zone is perforated and adhesive-free.

Die Perforation dient zum Trennen des Klebestreifens in seiner Längsrichtung, wobei ein Teil des Klebestreifens auf der Verbindungsstelle der alten mit der neuen Bahn verbleibt, und der andere Teil des Klebestreifens auf der Oberfläche der zweiten Papierlage als Rest verbleibt und beim Abrollen der zweiten Lage die Druckmaschine durchläuft.The perforation serves to separate the adhesive strip in its longitudinal direction, part of the adhesive strip remaining on the junction of the old and the new web, and the other part of the adhesive strip remaining on the surface of the second paper layer and the printing machine when the second layer is unrolled goes through.

Nachteilig an dem Verfahren gemäß der eingesetzten, perforierten Klebestreifen ist, daß die Perforation immer stufenweise, d. h. ruckartig durchtrennt wird, was zu einem Einreißen der anzuklebenden Papierbahn oder zu einer Verformung derselben führen kann.A disadvantage of the method according to the perforated adhesive strips used is that the perforation is always cut in stages, ie jerkily, which can lead to tearing of the paper web to be glued or to deformation thereof.

Weiterhin ist bei dem im Verfahren nach der EP 04 18 527 A3 eingesetzten Klebestreifen von Nachteil, daß die Perforation - in Abrollrichtung der Papierbahn gesehen - vor der Klebezone liegt, so daß beim automatischen Andrücken des Anfanges der anzuklebenden Rollenbahn parallel zum Klebevorgang bzw. schon beim Klebebeginn bereits der Aufreißvorgang der Perforation einsetzt, was zu einer fehlerhaften Klebeverbindung zwischen den beiden zu verbindenden Papierbahnen führen kann.A further disadvantage of the adhesive strip used in the process according to EP 04 18 527 A3 is that the perforation, as seen in the unwinding direction of the paper web, lies in front of the adhesive zone, so that when the beginning of the roller conveyor to be glued on is pressed automatically, it is parallel to the gluing process or already during The opening of the perforation already begins to glue, which can lead to a faulty adhesive connection between the two paper webs to be connected.

Schließlich ist auch noch von Nachteil, daß der nach dem o. g. Verfahren bekannte, dreizonige Klebestreifen - im Querschnitt gesehen - eine unterschiedliche, d. h. asymmetrische Dicke besitzt, so daß dieser nicht aufrollbar ist. Dies ist sowohl nachteilig für die Lagerhaltung als auch für eine automatisierte Zuführung für eine Klebevorbereitung der Materialbahnen.Finally, it is also a disadvantage that the after the above. Method known, three-zone adhesive strips - seen in cross section - a different, d. H. has asymmetrical thickness so that it cannot be rolled up. This is disadvantageous both for warehousing and for an automated feed for the adhesive preparation of the material webs.

Weiterhin ist gemäß DE-OS 40 33 900 A1 eine Splice-Stelle und ein Verfahren zum Herstellen einer Splice-Stelle am Bahnanfang eines Bahnwinkels bekannt, bei dem ein Klebeband verwendet wird, das - im Querschnitt gesehen - auf der nicht klebenden Seite an einem Ende mit einem beidseitig beschichteten Klebestreifen versehen ist.Furthermore, according to DE-OS 40 33 900 A1, a splice point and a method for producing a splice point at the beginning of the path of a path angle are known, in which an adhesive tape is used which - seen in cross section - on the non-adhesive side at one end is provided with an adhesive strip coated on both sides.

Dabei befindet sich eine schwach klebende Schicht des Klebestreifens auf der nicht klebenden Seite des Klebebandes und bildet so eine Sollreißstelle zwischen Klebeband und dem aufgebrachten Klebestreifen.There is a weakly adhesive layer of the adhesive strip on the non-adhesive side of the adhesive tape and thus forms a predetermined tear between the adhesive tape and the applied adhesive strip.

Dieses so hergestellte Klebeband wird zur Vorbereitung einer neuen Vorratsrolle, die mit einer zu Ende gehenden Vorratsrolle verbunden wird, mit seiner klebenden Seite an die Unterseite des Anfanges der oberen Lage so geklebt, daß ein Teil des Klebebandes übersteht zur Aufnahme der ablaufenden Bahn einer zu Ende gehenden Vorratsrolle. Mit dem auf der Rückseite befindlichen Klebestreifen wird der Anfang der Papierbahn auf der zweiten Lage der Papiervorratsrolle befestigt.This adhesive tape produced in this way is used to prepare a new supply roll, which is connected to an ending supply roll, with its adhesive side glued to the underside of the beginning of the upper layer in such a way that part of the adhesive tape protrudes to receive the running web one to the end going supply roll. The beginning of the paper web is attached to the second layer of the paper supply roll with the adhesive strip on the back.

Dieses Verfahren hat den Nachteil, daß zur Vorbereitung der Klebestelle an der neuen Vorratsrolle bzw. des sogenannten Bahnwickels der Papierbahnanfang schlaufenförmig umgelegt werden muß, um das Klebeband mit der Unterseite des Papierbahnanfanges zu befestigen.This method has the disadvantage that, in order to prepare the glue point on the new supply roll or the so-called web wrap, the beginning of the paper web must be folded in a loop in order to fasten the adhesive tape to the underside of the beginning of the web.

Der Erfindung liegt die Aufgabe zugrunde, eine Klebestellenanordnung für eine neue Vorratsrolle zum automatisierten Verbinden einer Rollenbahn durch Klebestreifen mit asymmetrischem Querschnitt an eine ablaufende Vorratsrolle, insbesondere für eine Rotationsdruckmaschine, mittels eines Rollenwechslers zu schaffen, bei der der Klebestreifen leicht und sicher auf die neue Vorratsrolle aufzubringen ist und nach vollzogener Verbindung mit der auslaufenden Vorratsrolle ruckfrei aufreißt.The invention has for its object to provide a gluing point arrangement for a new supply roll for the automated connection of a roller conveyor by adhesive strips with an asymmetrical cross section to an outgoing supply roll, in particular for a rotary printing press, by means of a roll changer, in which the adhesive strip can be easily and securely attached to the new supply roll is to be applied and tears open without jerk after the connection with the outgoing supply roll has been completed.

Erfindungsgemäß wird diese Aufgabe durch das Kennzeichen des Patentanspruches 1 gelöst.According to the invention, this object is achieved by the characterizing part of patent claim 1.

Bei der Anwendung der Erfindung entstehen nachfolgende Vorteile: Durch den Einsatz eines beidseitig wirkenden Klebestreifens mit Schichten unterschiedlicher Klebefähigkeit zum Festlegen des Anfanges der Rollenbahn auf der zweiten Lage der Rollenbahn mittels eines außen überlappenden Klebestreifens wird eine leichte und sichere Klebung erzielt und ein schlaufenförmiges Wenden des Rollenbahnanfanges oder eine vorauszuberechnende Positionierung des Klebestreifens auf der zweiten Lage der Rollenbahn der neuen Vorratsrolle vermieden.The following advantages arise when using the invention: By using a double-acting one Adhesive tape with layers of different adhesive ability to determine the start of the roller conveyor on the second layer of the roller conveyor by means of an overlapping adhesive tape, easy and secure gluing is achieved and a loop-shaped turning of the beginning of the roller conveyor or a predictable positioning of the adhesive strip on the second layer of the roller conveyor of the new supply roll avoided.

Durch den Wegfall der Perforation aufgrund des Einsatzes von mehrschichtigen Klebestreifen mit Zonen geringer Klebekraft oder mit abspaltbaren Klebeschichten wird ein gleichmäßiges Aufreißen der Trennstelle des Klebestreifens gesichert.By eliminating the perforation due to the use of multilayer adhesive strips with zones of low adhesive strength or with removable adhesive layers, a uniform tearing of the separation point of the adhesive strip is ensured.

Infolge des Verlegens der Anklebezone von bisher hinter der Auftrennstelle - in Laufrichtung gesehen - vor dieselbe und durch Verbreiterung der Aufreißzone ist ein sicheres Verbinden der anzuklebenden Bahn gegeben, da die Aufreißkraft jetzt kontinuierlich von null bis zum völligen Durchtrennen ansteigt.As a result of the laying of the adhesive zone from behind the cutting point - seen in the direction of travel - in front of the same and by widening the tear zone, the web to be bonded is securely connected, since the tear force now rises continuously from zero to complete cutting.

Schließlich kommt ein Klebestreifen mit symmetrischem Querschnitt zum Einsatz, wodurch der Klebestreifen leicht aufrollbar und gut lagerfähig wird.Finally, an adhesive strip with a symmetrical cross section is used, which makes the adhesive strip easy to roll up and easy to store.

Nachfolgend soll die die Erfindung an mehreren Ausführungsbeispielen näher erläutert werden. In den dazugehörigen Zeichnungen zeigen:

Fig. 1
die Vorderansicht einer erfindungsgemäßen Klebestellenanordnung auf einer neuen Vorratsrolle;
Fig. 2
den Schnitt II - II nach Fig. 1, jedoch in Verbindung mit einer ablaufenden, d. h. zu Ende gehenden Vorratsrolle;
Fig. 3
die vergrößerte Darstellung der Einzelheit "X" nach Fig. 2 in Vorbereitungsposition einer Klebung mit doppelseitigem Klebeband mit Ablöseklebeschicht;
Fig. 4
eine Darstellung gemäß Fig. 3, jedoch in Klebeposition;
Fig. 5
eine Darstellung gemäß Fig. 3, jedoch in Aufreißposition;
Fig. 6
eine andere Ausführungsvariante in einer Darstellung gemäß Fig. 5 in Aufreißposition mit doppelseitigem Klebeband mit Ablöseklebeschicht.
The invention will be explained in more detail below using several exemplary embodiments. In the accompanying drawings:
Fig. 1
the front view of an adhesive assembly according to the invention on a new supply roll;
Fig. 2
the section II - II of Figure 1, but in connection with an ongoing, ie coming to an end supply roll.
Fig. 3
the enlarged view of the detail "X" of Figure 2 in the preparation position of an adhesive with double-sided adhesive tape with release adhesive layer.
Fig. 4
a representation of Figure 3, but in the adhesive position.
Fig. 5
a representation of Figure 3, but in the tear position.
Fig. 6
5 in the tear-open position with double-sided adhesive tape with a release adhesive layer.

Gemäß Fig. 1 ist die Vorderansicht einer erfindungsgemaßen Klebestellenanordnung auf einer neuen Vorratsrolle 1 gezeigt. Der Anfang 2 der neuen Vorratsrolle 1 verläuft im Winkel α zur Mittelachse 3 der neuen Vorratsrolle 1. Der Winkel α kann zwischen 10 und 30 Grad liegen. Parallel zur Vorderkante 4 des Rollenanfanges 2 ist ein Klebestreifen 6 geklebt, der den Rollenanfang 2 auf der zweiten Lage 7 der neuen Vorratsrolle 1 befestigt und auf seiner Außenseite Mittel aufweist zum Verbinden mit einer auslaufenden Bahn 8, die von einer zu Ende gehenden Vorratsrolle 9 abläuft.1, the front view of a gluing point arrangement according to the invention is shown on a new supply roll 1. The beginning 2 of the new supply roll 1 runs at an angle α to the central axis 3 of the new supply roll 1. The angle α can be between 10 and 30 degrees. Parallel to the front edge 4 of the beginning of the roll 2, an adhesive strip 6 is glued, which fastens the beginning of the roll 2 to the second layer 7 of the new supply roll 1 and has on its outside means for connecting to an outgoing web 8 which runs from an end supply roll 9 .

Gemäß Fig. 3 ist die vergrößerte Darstellung der Einzelheit X nach Fig. 2 in Vorbereitungsposition zu einer Bahnverbindung zwischen einer auslaufenden Bahn 8 einer verbrauchten Vorratsrolle 9 und dem Rollenanfang 2 einer neuen Vorratsrolle 1 gezeigt.According to FIG. 3, the enlarged representation of the detail X according to FIG. 2 is shown in the preparation position for a web connection between an outgoing web 8 of a used supply roll 9 and the roll start 2 of a new supply roll 1.

Der Klebestreifen, insgesamt mit 6 bezeichnet, ist als doppelseitig wirkender Klebestreifen ausgeführt und weist auf seiner Unterseite bzw. auf der der neuen Vorratsrolle 1 zugewandten Seite zwei nebeneinander angeordnete Schichten mit verschiedener Klebefähigkeit auf.The adhesive strip, denoted overall by 6, is designed as a double-sided adhesive strip and has on its underside or on the side facing the new supply roll 1 two layers arranged next to one another with different adhesiveness.

Ein bandförmiger Klebemittelträger 11 weist - im Querschnitt gesehen - auf seiner Oberseite über die gesamte Breite eine stark wirkende Klebeschicht auf. Auf der Unterseite des Klebemittelträgers 11 befindet sich in einer ersten Zone eine leicht ablösbare, einmalig klebende Schicht 13; in einer zweiten mittleren Zone eine klebemittelfreie Schicht 14 und in einer dritten Zone eine stark wirkende Klebeschicht 16. Die letztgenannte stark wirkende Klebeschicht 16 ist mit dem Rollenanfang 2 der neuen Vorratsrolle 1 verbunden, und zwar so, daß die Vorderkante 4 der Klebeschicht 16 - in Bewegungsrichtung B gesehen - mit der Vorderkante 4 des Rollenanfanges 2 abschließt oder unmittelbar dahinter liegt.A tape-shaped adhesive carrier 11 has a strong-acting adhesive layer on its upper side across the entire width, as seen in cross section. On the underside of the adhesive carrier 11 there is an easily removable, one-time adhesive layer 13 in a first zone; in a second middle zone an adhesive-free layer 14 and in a third zone a strong-acting adhesive layer 16. The last-mentioned strong-acting adhesive layer 16 is connected to the beginning of the roll 2 of the new supply roll 1, in such a way that the front edge 4 of the adhesive layer 16 - in Direction of movement B seen - ends with the front edge 4 of the roll start 2 or lies immediately behind it.

Die klebemittelfreie Schicht 14 dient zum Ausgleich von Ungenauigkeiten beim Aufbringen des Klebestreifens 6. Die einmalig klebende Schicht 13 ist auf der Oberseite der zweiten Lage 7 der neuen Vorratsrolle 1 befestigt.The adhesive-free layer 14 serves to compensate for inaccuracies when applying the adhesive strip 6. The one-time adhesive layer 13 is attached to the top of the second layer 7 of the new supply roll 1.

In Fig. 3 ist ebenfalls noch die dritte Lage 18 der neuen Vorratsrolle 1 angedeutet. Der in Fig. 3 im Querschnitt dargestellte Klebestreifen 6 kann manuell oder maschinell mit bekannten Vorrichtungen auf die neue Vorratsrolle 1 aufgebracht werden.The third layer 18 of the new supply roll 1 is also indicated in FIG. 3. The adhesive strip 6 shown in cross section in FIG. 3 can be manually or mechanically can be applied to the new supply roll 1 using known devices.

Gemäß Fig. 4 ist die Klebeposition gezeigt. Die neue Vorratsrolle 1 wird durch bekannte Mittel, z. B. einem nicht dargestellten Umfangsbeschleuniger, auf die Umfangsgeschwindigkeit gebracht, die der Geschwindigkeit der auslaufenden Bahn entspricht. In Pfeilrichtung C wirkt eine Andrückkraft, z. B. von einer nicht dargestellten Andrückrolle, so daß die auslaufende Bahn 8 gegen die stark wirkende Klebeschicht 12 des Klebestreifens gedrückt wird.4, the adhesive position is shown. The new supply roll 1 is by known means, for. B. a circumferential accelerator, not shown, brought to the circumferential speed that corresponds to the speed of the outgoing web. A pressing force acts in the direction of arrow C, e.g. B. from a pressure roller, not shown, so that the outgoing web 8 is pressed against the strong-acting adhesive layer 12 of the adhesive strip.

Gemäß Fig. 5 ist die Position des Klebestreifens 6 nach erfolgtem Aufreißen gezeigt. Hier ist ersichtlich, daß der Rollenanfang 2 mit der ablaufenden oder auslaufenden Bahn 8 bereits verbunden ist und daß sich die Unterseite der leicht ablösbaren Klebeschicht 13 von der Oberseite der zweiten Lage 7 gelöst hat. Die leicht ablösbare Klebeschicht 13 hinterläßt keine klebenden Rückstände auf der Oberfläche der zweiten Lage 7 und klebt auch selbst nicht mehr, so daß in der Maschine auch keine klebenden Ruckstände verbleiben. Ein Rest 19 der auslaufenden Bahn 8 wird mittels eines symbolisch dargestellten Trennmessers 21 abgeschlagen.5, the position of the adhesive strip 6 is shown after tearing open. It can be seen here that the beginning of the roll 2 is already connected to the running or running web 8 and that the underside of the easily removable adhesive layer 13 has come off the top of the second layer 7. The easily removable adhesive layer 13 does not leave any adhesive residues on the surface of the second layer 7 and also no longer adheres itself, so that no adhesive residues remain in the machine. A remainder 19 of the outgoing web 8 is cut off by means of a symbolically illustrated separating knife 21.

Gemäß Fig. 6 ist eine andere Ausführungsvariante in einer Darstellung gemäß Fig. 5 nach dem Aufreißen gezeigt. Nach dem erfolgten Andrücken der auslaufenden Bahn 8 an die stark wirkende Klebeschicht 12 des Klebestreifens 6 in Pfeilrichtung C ist die Bahn 8 mit dem Rollenanfang 2 der neuen Vorratsrolle 1 verbunden.6 shows another embodiment variant in a representation according to FIG. 5 after being torn open. After the outgoing web 8 has been pressed against the strong-acting adhesive layer 12 of the adhesive strip 6 in the direction of arrow C, the web 8 is connected to the beginning of the roll 2 of the new supply roll 1.

Der Klebestreifen 6 weist an seiner Unterseite eine abspaltbare Klebeschicht 22 auf, die nach dem Verbindungsvorgang der beiden Papierbahnen aus der Unterseite des Klebestreifens 6 herausgelöst ist und mit einer stark klebenden Schicht 24 auf der zweiten Lage 7 der neuen Vorratsrolle 1 verbleibt. Dabei ist sowohl die Unterseite 23 des Klebestreifens 6 als auch die Oberseite 26 der abspaltbaren Klebeschicht 22 frei von Kleberückständen, so daß beim Maschinendurchlauf auch keine klebenden Rückstände an den Walzen bzw. Zylindern haften bleiben können.The adhesive strip 6 has on its underside a cleavable adhesive layer 22 which is detached from the underside of the adhesive strip 6 after the connection process of the two paper webs and which remains on the second layer 7 of the new supply roll 1 with a strongly adhesive layer 24. Both the underside 23 of the adhesive strip 6 and the upper side 26 of the removable adhesive layer 22 are free of adhesive residues, so that no adhesive residues can adhere to the rollers or cylinders when the machine is running.

Abweichend von der gezeigten Darstellung in Fig. 1 kann der im Winkel α zur Mittelachse 3 verlaufende Anfang 2 der Rollenbahn der Vorratsrolle 1 auch noch andere bekannte Formen der Klebevorbereitung aufweisen, beispielsweise eine V-Form, eine W-Form oder eine Anzahl von Pfeil-Formen. Dann verändert sich auch der Betrag des Winkels .1, the beginning 2 of the roller conveyor of the supply roll 1, which is at an angle α to the central axis 3, can also have other known forms of adhesive preparation, for example a V-shape, a W-shape or a number of arrows. To form. Then the amount of the angle also changes.

Die Breite des Klebestreifens 12 kann variiert und insbesondere vergrößert werden, so daß bei einer bisher üblichen Klebevorbereitung, beispielsweise in Pfeil-Form, die Pfeilschäfte entfallen können.The width of the adhesive strip 12 can be varied and, in particular, increased, so that the arrow shafts can be omitted in the case of a previously customary adhesive preparation, for example in the form of an arrow.

Die Schichten 13; 16; 22 der Klebestreifen 6 können abweichend von den Darstellungen in den Fig. 3 bis 6 auch aufgebracht und nicht eingebracht sein.The layers 13; 16; 22 of the adhesive strips 6, deviating from the representations in FIGS. 3 to 6, can also be applied and not introduced.

Der Schicht starker Klebefähigkeit entspricht eine Abschälkraft von 7,5 Newton pro 25 mm Bandbreite eines Klebestreifens. Der Schicht schwacher bzw. einmaliger Klebefähigkeit entspricht eine Abschälkraft von 0,6 Newton pro 25 mm Bandbreite eines Klebestreifens.The layer of strong adhesive power corresponds to a peeling force of 7.5 Newtons per 25 mm band width of an adhesive strip. The layer of weak or unique adhesive capacity corresponds to a peeling force of 0.6 Newton per 25 mm strip width of an adhesive strip.

TeilelisteParts list

11
Vorratsrolle, neuSupply roll, new
22nd
Rollenanfang (1)Start of role (1)
33rd
Mittelachse (1)Central axis (1)
44th
Vorderkante (2)Leading edge (2)
55
--
66
KlebestreifenAdhesive strips
77
Zweite LageSecond layer
88th
Auslaufende BahnOutgoing web
99
Vorratsrolle, verbrauchtSupply roll, used up
1010th
--
1111
KlebemittelträgerAdhesive carrier
1212
Klebeschicht, starkAdhesive layer, strong
1313
Klebeschicht, leicht ablösbarAdhesive layer, easily removable
1414
Klebemittelfreie SchichtAdhesive-free layer
1515
--
1616
Klebeschicht, starkAdhesive layer, strong
1717th
--
1818th
Dritte Lage (1)Third layer (1)
1919th
Rest (8)Remainder (8)
2020th
--
2121
TrennmesserCutting knife
2222
Klebeschicht, abspaltbarAdhesive layer, removable
2323
Unterseite (6)Bottom (6)
2424th
Schicht, stark klebend (22)Layer, strong adhesive (22)
2525th
--
2626
Oberseite (22)Top (22)
αα
Winkelangle
BB
BewegungsrichtungDirection of movement
CC.
AndrückrichtungPressing direction

Claims (2)

Anordnung zum Verbinden aufeinanderfolgender, zu Rollen gewickelter Papierbahnen mittels vorbereiteter Klebestellen durch Klebestreifen, dadurch gekennzeichnet, daß der Klebestreifen (6) als zweiseitig wirkender Klebestreifen (6) mit einer auf der ersten Seite aufgebrachten Schicht (12) gleichmäßig starker Klebefähigkeit zur Erzeugung einer Klebeverbindung mit einer auslaufenden Bahn (8) einer verbrauchten Vorratsrolle (9) und auf der zweiten Seite nebeneinander angeordnete Klebeschichten (16; 13; 22) unterschiedlich starker Klebefähigkeit vorgesehen ist, daß der Klebestreifen (6) derart ausgebildet ist, daß dieser den Anfang der Papierbahn (2) der neuen Vorratsrolle (1) - im Querschnitt gesehen - überdeckt und diesen auf der zweiten Lage (7) der Vorratsrolle (1) festlegt.Arrangement for connecting successive paper webs wound into rolls by means of prepared adhesive points by means of adhesive strips, characterized in that the adhesive strip (6) as a double-sided adhesive strip (6) with a layer (12) applied on the first side with a uniformly strong adhesive ability to produce an adhesive connection an outgoing web (8) of a used supply roll (9) and adhesive layers (16; 13; 22) of differing strength are provided next to each other on the second side, so that the adhesive strip (6) is designed such that it marks the beginning of the paper web ( 2) of the new supply roll (1) - seen in cross section - covered and fixes this on the second layer (7) of the supply roll (1). Anordnung nach Anspruch 1, dadurch gekennzeichnet, daß die auf der zweiten der Rolle (1) zugewandten Seite des Klebestreifens (6) aufgebrachte Schicht unterschiedlicher Klebefähigkeit aus einer Schicht starker Klebefähigkeit (16) besteht und damit auf der Oberseite des Anfanges (2) der neuen Papierbahn befestigt ist und die mit einer Schicht (13) schwacher, einmaliger Klebefähigkeit oder einer abspaltbaren, klebenden Schicht (22) auf der Oberseite der zweiten Lage (7) der neuen Vorratsrolle (1) befestigt ist.Arrangement according to claim 1, characterized in that the layer of different adhesive capacity applied to the second side of the adhesive strip (6) facing the roll (1) consists of a layer of strong adhesive capacity (16) and thus on the top of the beginning (2) of the new one Paper web is fastened and which is fastened with a layer (13) of weak, unique adhesiveness or a detachable, adhesive layer (22) on the upper side of the second layer (7) of the new supply roll (1).
EP93104723A 1992-03-30 1993-03-23 Device for splicing successive paper webs wound in rolls Expired - Lifetime EP0566880B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4210329A DE4210329A1 (en) 1992-03-30 1992-03-30 Arrangement for connecting successive paper webs wound into rolls
DE4210329 1992-03-30

Publications (2)

Publication Number Publication Date
EP0566880A1 true EP0566880A1 (en) 1993-10-27
EP0566880B1 EP0566880B1 (en) 1996-05-22

Family

ID=6455385

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93104723A Expired - Lifetime EP0566880B1 (en) 1992-03-30 1993-03-23 Device for splicing successive paper webs wound in rolls

Country Status (4)

Country Link
US (1) US5348793A (en)
EP (1) EP0566880B1 (en)
JP (1) JP2503356B2 (en)
DE (2) DE4210329A1 (en)

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EP0941954A1 (en) * 1998-03-13 1999-09-15 Minnesota Mining And Manufacturing Company Splicing tape, splicing method and assembly comprising the splicing tape
US6432241B1 (en) 1998-03-13 2002-08-13 3M Innovative Properties Company Splicing tape, splicing method and assembly comprising the splicing tape
WO2002083532A1 (en) * 2001-04-12 2002-10-24 Koenig & Bauer Aktiengesellschaft Adhesive means for connecting a web end on a material roll and corresponding method
US6951676B2 (en) 2000-09-25 2005-10-04 3M Innovative Properties Company Butt splicing tapes and butt splicing methods
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USRE38356E1 (en) * 1994-04-26 2003-12-23 3M Innovative Properties Company Splicing method and splice using the splicing tape
DE4423387C2 (en) * 1994-07-04 1996-06-20 Koenig & Bauer Albert Ag Adhesive tape for attaching a paper web start of a stock paper web roll
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DE4424657C1 (en) * 1994-07-14 1996-02-08 Koenig & Bauer Albert Ag Material for attaching a start of a stock paper roll
US6001471A (en) * 1995-08-11 1999-12-14 3M Innovative Properties Company Removable adhesive tape with controlled sequential release
DE19544636A1 (en) * 1995-11-30 1997-06-05 Johannes A Ritter Transfer web for applying pressure sensitive adhesives and process for their production
EP0812792B1 (en) * 1996-05-24 2002-11-13 Fuji Photo Film Co., Ltd. Web splicing apparatus
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DE10144716A1 (en) * 2001-09-11 2003-03-27 Mitsubishi Hitec Paper Flensbu Adhesive tape for flying reel change in paper coating or printing machines has two sections separated by tear line, front section carrying line of adhesive and rear section carrying one or two lines
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EP0618162A2 (en) * 1993-01-19 1994-10-05 Heidelberger Druckmaschinen Aktiengesellschaft Web splicing adhesive tape for a new web roll
EP0618162A3 (en) * 1993-01-19 1995-01-11 Heidelberger Druckmasch Ag Web splicing adhesive tape for a new web roll.
EP0941954A1 (en) * 1998-03-13 1999-09-15 Minnesota Mining And Manufacturing Company Splicing tape, splicing method and assembly comprising the splicing tape
WO1999046196A1 (en) * 1998-03-13 1999-09-16 Minnesota Mining And Manufacturing Company Splicing tape, splicing method and assembly comprising the splicing tape
US6432241B1 (en) 1998-03-13 2002-08-13 3M Innovative Properties Company Splicing tape, splicing method and assembly comprising the splicing tape
US6951676B2 (en) 2000-09-25 2005-10-04 3M Innovative Properties Company Butt splicing tapes and butt splicing methods
US6790302B2 (en) 2001-04-12 2004-09-14 Koenig & Bauer Aktiengesellschaft Adhesive means for connecting a web end on a material roll and corresponding method
EP1524217A2 (en) * 2001-04-12 2005-04-20 Koenig &amp; Bauer Aktiengesellschaft Device for joining the leading edge of a web
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WO2002083532A1 (en) * 2001-04-12 2002-10-24 Koenig & Bauer Aktiengesellschaft Adhesive means for connecting a web end on a material roll and corresponding method
DE102007053432A1 (en) 2007-11-07 2009-05-14 Tesa Ag Pressure-sensitive adhesive tapes for changing reels of flat web materials
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Also Published As

Publication number Publication date
DE4210329A1 (en) 1993-10-07
EP0566880B1 (en) 1996-05-22
JPH069119A (en) 1994-01-18
JP2503356B2 (en) 1996-06-05
US5348793A (en) 1994-09-20
DE59302651D1 (en) 1996-06-27

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