EP2322461B1 - Winding core with adhesive - Google Patents

Winding core with adhesive Download PDF

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Publication number
EP2322461B1
EP2322461B1 EP20100014402 EP10014402A EP2322461B1 EP 2322461 B1 EP2322461 B1 EP 2322461B1 EP 20100014402 EP20100014402 EP 20100014402 EP 10014402 A EP10014402 A EP 10014402A EP 2322461 B1 EP2322461 B1 EP 2322461B1
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EP
European Patent Office
Prior art keywords
sleeve
cover layer
layer
adhesive
winding
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.)
Not-in-force
Application number
EP20100014402
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German (de)
French (fr)
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EP2322461A1 (en
Inventor
Manuel Ribero
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.)
Stora Enso Oyj
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Stora Enso Oyj
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Publication of EP2322461A1 publication Critical patent/EP2322461A1/en
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Publication of EP2322461B1 publication Critical patent/EP2322461B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/28—Arrangements for positively securing ends of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/04—Kinds or types
    • B65H75/08—Kinds or types of circular or polygonal cross-section
    • B65H75/10—Kinds or types of circular or polygonal cross-section without flanges, e.g. cop tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/37—Tapes

Definitions

  • the invention relates to a sleeve as a carrier for strip-shaped material, in particular for packaging tapes, from spirally wound layers, wherein the width of the cover layer is smaller than that of the underlying layer and extends along the longitudinal edge spaced.
  • Sleeves for winding band-shaped or web-shaped material are usually tubular hollow cylinders, which are produced by winding paper layers around a fixed mandrel. The production is fully automatic in the endless process, whereby the required lengths are cut to length by a knife cutting machine.
  • the sleeves are used for winding winding material, which may be filamentary, web-shaped or band-shaped material. Pods made in this way are therefore also referred to as a winding core for the aforementioned materials.
  • various methods are known from the prior art to ensure attachment of the material to be wound on the sleeve surface during winding.
  • a sleeve on the sleeve outer surface has a recess in which an adhesive medium is applied.
  • the problem with such a sleeve is that, during storage and storage, fine and coarse dirt particles and larger objects can adhere in the region of the depression. This can be done over the entire circumference of the sleeve, because the spiral-shaped depression is formed circumferentially. In this way, a set of the winding material with its beginning on the adhesive medium cause problems, so that adhesion of the winding material on the adhesive difficult or even prevented, and thus a sufficient fixation of winding material on the surface of the sleeve can not always be guaranteed sufficient.
  • the state of the art is the utility model DE 89 06 454 U1 in which a sleeve-shaped winding core for thin web-shaped winding material is disclosed. It describes that the application of Winding takes place on the sleeve-shaped winding core by means of an adhesive layer, which is applied over the entire surface as a strip on the cover sheet of the sleeve.
  • the adhesive layer does not run flush on the outer surface of the cover sheet, but slightly lower than the cover sheet itself.
  • a disadvantage of such a winding tube is that the adhesive surface is also affected by impurities and dust in their adhesiveness and thus a fixation of winding material on the sleeve can not always be guaranteed sufficiently.
  • a winding tube on which a band-shaped adhesive tape is wound spirally.
  • the adhesive strip consists of several layers, the lowest layer being a permanent adhesive which bonds the adhesive strip to the winding tube.
  • a carrier material applied to the permanent adhesive is provided with a releasable adhesive on the opposite side.
  • a removable protective layer is applied as the top layer, which must be removed to allow the winding of tape-shaped winding material.
  • the object of the invention is therefore to provide a sleeve as a carrier for web-shaped winding material, which prevents contamination of the machine by parts of the adhesive layer or foreign matter from the sleeve surface and ensures an easily detachable connection of the winding material of the sleeve.
  • the object is achieved in that at least one edge region of the cover layer is wetted with a releasable pressure-sensitive adhesive, which is between the cover layer and the underlying layer, so that between the cover layer and the underlying layer, a packaging tape can be inserted and fixed.
  • a sleeve according to the invention has a plurality of superimposed paper or paperboard webs, which are referred to below layers and spirally wound around a mandrel. This creates a sleeve in the form of a hollow cylinder, which can be used as a hub for example, web-shaped or band-shaped material.
  • the radial wall thickness of the sleeve is determined by the number of spirally wound layers.
  • a spiral winding guarantees sufficient stability of the sleeve as a carrier material for the winding material.
  • the width of the cover layer that is to say the last layer of the sleeve, is smaller than the latter located location.
  • the circumferential surface of the underlying layer is thus no longer completely covered by the cover layer of the sleeve, while maintaining the same winding angle.
  • the longitudinal edges of the cover layer run after winding spaced from one another, so that a gap is visible to the viewer along the longitudinal edges of the cover layer.
  • the resulting gap runs as a distance of the longitudinal edges to each other over the entire circumference of the sleeve spirally.
  • the invention provides that at least one edge region of the spaced-apart longitudinal edges of the cover layer is wetted with a pressure-sensitive adhesive. This means that the inside of the cover layer on the underlying layer, for example, is almost completely connected via a normal adhesive, while the edge region of the cover layer is only partially connected to the underlying layer via the pressure-sensitive adhesive.
  • the advantage of such a configuration is that no contamination of a subsequent machine used by the belt-shaped material as a result of adhesive residues or foreign bodies, which could be detached from the exposed adhesive layer of the sleeve occurs.
  • the pressure-sensitive adhesive is located between the cover layer and the underlying layer in the edge region, so that the edge region of the cover layer is covered at all times and again detachably formed, this being possible at any point of the cover layer in the edge region.
  • ribbon-shaped winding material can be pushed with the winding beginning under the cover layer and is sufficiently fixed by the adhesive, wherein after at least one revolution, the winding material comes to lie one above the other and thus tightened.
  • the winding material can be easily withdrawn from the machine used by the sleeve, leaving only extremely low pressure adhesive residues on the winding end.
  • the cover layer centrally with a commercial adhesive for connecting the individual layers and the edge, at least one side, preferably on both sides, with a Pressure-sensitive adhesive is wetted.
  • the middle area of the uppermost cover layer and the adhesive materials used ensure that the adhesion of the cover layer to the lower layers is guaranteed in each case.
  • the edge region along the longitudinal edge allows a detachment of the top layer. To wrap tape-shaped material, this can be pushed in the edge region under the cover layer, this being possible in the double sense of the aforementioned embodiment, that is, a once attached winding tube can be used in each direction of rotation by the two-sided adhesive in the edge region.
  • the adhesive allows in this case a subsequent pushing the tape-shaped winding material with sufficient adhesion for the Anwickelvorgang.
  • the lateral edge region of the cover layer is convex, crimped or bent over to the outside.
  • a band-shaped winding material in the form of a packaging tape for winding easily be guided under the top layer.
  • the longitudinal edges of the cover layer can be significantly more easily lifted by the predetermined curvature, so that the winding material can be attached at any point of the outer cover layer.
  • the sleeve does not require or has no slots, grooves or other stamped depressions into which the beginning of the tape must be manually inserted. Rather, the beginning of the tape under the spirally extending edge regions at any point on the sleeve without further aids (glue, tape, staple, etc.) can be fixed. An automated fixation of the tape on the sleeve is thereby easily possible.
  • Another advantage of the sleeve according to the invention is that the band can be easily fixed at right angles or at any angle to the sleeve axis on the sleeve and does not have to follow the spiral inclination angle, as in the case of a possible pocket solution. It should also be mentioned as an advantage that the sleeve surface is smooth and has no bumps or similar unevenness, which can result from the punching of slots or the presence of adhesive-free insertion pockets.
  • the pressure-sensitive adhesive allows a multiple detachable connection between the cover layer and the underlying layer, so that the sleeve can be used multiple times, for example, to receive the tape-shaped winding material.
  • pressure-sensitive adhesive all adhesive hydrocarbon resins and styrene block copolymers are usable. Furthermore, hydrocarbon esters, polyterpene resins, terpene-phenolic resins can be used as pressure-sensitive adhesives, said list is not to be considered as complete. It is also conceivable that a pressure-sensitive adhesive is composed of a bitumen mixture in order to ensure the advantages of the sleeve according to the invention. When choosing the adhesive, it is important that this is repeatedly detachable from an existing surface, which is given in the present case by the lower layers and the top layer. By the property of the pressure-sensitive adhesive it is ensured that a multiple fixation and detachment of the winding material from the sleeve is made possible, whereby the sleeve can be fed to a multiple use.
  • the cover layer has a color difference from the underlying layer of the sleeve. Due to the difference in color between the cover layer and underlying layer an automatic detection of the intended for the fixation of the winding material zone in the depression is easily possible. As a result, an introduction of the winding material is facilitated in the crimped edge portion of the cover layer of the sleeve, the color contrast between top layer and the underlying layer clearly signals a user of the sleeve according to the invention, in which area the winding material can be fixed.
  • the edge area provided with a pressure-sensitive adhesive in this case has a width of 1 to 10 mm, preferably 3 to 5 mm, which can already be done a secure Anwicklung.
  • FIG. 1 shows a side view of a sleeve 1 according to the invention, which consists of several spirally wound layers 3.
  • a sleeve 1 which consists of several spirally wound layers 3.
  • a higher paper quality is used for the top layer since the sleeve is subjected to increased stresses on its surface.
  • a comprehensive selection of different paper grades is available for the processing company.
  • FIG. 1 Here is a section of the sleeve 1 can be seen, which was wound from lower layers 3.
  • a cover layer 2 is wound, which has a smaller width than the lower layers 3 according to the invention embodiment. While maintaining the winding angle, the cover layer 2 is thus wound onto the lower layers 3, wherein a gap 8 is formed in the edge region 7. Due to the smaller width of the cover layer 2, the lower layers 3 can thus not be completely covered and lead to the execution of the gap 8.
  • the gap 8 is limited by the longitudinal edge 5 of the cover layer 2.
  • the gap 8 and the longitudinal edge 5 of the upper cover layer 2 in this case runs helically over the outer circumference of the sleeve 1.
  • a pressure-sensitive adhesive ensures in this case the possibility that the cover layer 2 can be lifted off the underlying layers 3 again.
  • a winding material for example a packaging tape 4 with its end to slide under the cover layer 2, so as to allow the Anwickeln the packaging tape 4 on the sleeve 1.
  • the edge region 7, which is wetted on the underside with the pressure-sensitive adhesive, in a further embodiment of the invention may be additionally bent or flanged outwardly, so that the supply of the packaging tape 4 is facilitated.
  • the sleeve 1 of the invention can be used to at any point of the circumference of the Anwickeln of To enable packaging tape 4.
  • the particular advantage of this invention is that the sleeve requires no slots or grooves or other stamped recesses, in which usually the beginning of the tape band 4 must be introduced.
  • the end of the packaging tape 4 under the edge regions 7, that is pushed between the top layer 2 and the layer 3 underneath, so after example, a 360 ° rotation of the sleeve 1, the tape itself is locked and carried out the further winding process can be.
  • Another advantage of the sleeve 1 of the invention is that the band can be easily fixed at right angles or at any angle to the sleeve axis on the sleeve and there is no need to comply with the helical pitch angle as in a bag solution.
  • the sleeve surface of the sleeve 1 also no bumps or similar bumps, but rather is designed smooth, so that the winding material, such as the packaging tape 4, can be wound up without unwanted thickening and molding. Due to a difference in color between the top layer 2 and the underlying layers 3 an automatic detection of the receiving area is also clear and thus for the personnel to fasten the packaging tape 4, the work easier.
  • FIG. 2 shows in an enlarged side view of the area of the sleeve 1 according to the invention, specifically where the packaging tape 4 is pushed under the edge portion 7.
  • the cover layer 2 can thus be lifted off from the layers 3 underneath, wherein this is further facilitated by beading.

Description

Die Erfindung betrifft eine Hülse als Träger für bandförmiges Material, insbesondere für Verpackungsbänder, aus spiralförmig aufgewickelten Lagen, wobei die Breite der Decklage kleiner als die der darunter befindlichen Lage ausgebildet ist und entlang der Längskante beabstandet verläuft.The invention relates to a sleeve as a carrier for strip-shaped material, in particular for packaging tapes, from spirally wound layers, wherein the width of the cover layer is smaller than that of the underlying layer and extends along the longitudinal edge spaced.

Hülsen zur Aufwicklung bandförmigen oder bahnförmigen Materials sind üblicherweise röhrenförmige Hohlzylinder, die durch Aufwickeln von Papierlagen um einen feststehenden Dorn hergestellt werden. Die Herstellung erfolgt vollautomatisch im Endlosverfahren, wobei die benötigten Längen durch ein Messerschneidwerk abgelängt werden. Die Hülsen werden zum Aufwickeln von Wickelgut verwendet, wobei es sich um fadenförmiges, bahnförmiges oder bandförmiges Material handeln kann. Auf diese Weise hergestellte Hülsen werden daher auch als Wickelkern für vorgenannte Materialien bezeichnet. Um fadenförmiges oder bandförmiges Material auf der Hülse aufzuwickeln, sind aus dem Stand der Technik verschiedene Methoden bekannt, um eine Befestigung des aufzuwickelnden Materials an der Hülsenoberfläche beim Anwickeln zu gewährleisten.Sleeves for winding band-shaped or web-shaped material are usually tubular hollow cylinders, which are produced by winding paper layers around a fixed mandrel. The production is fully automatic in the endless process, whereby the required lengths are cut to length by a knife cutting machine. The sleeves are used for winding winding material, which may be filamentary, web-shaped or band-shaped material. Pods made in this way are therefore also referred to as a winding core for the aforementioned materials. In order to wind thread-like or band-shaped material on the sleeve, various methods are known from the prior art to ensure attachment of the material to be wound on the sleeve surface during winding.

Beispielsweise ist aus der DE 296 06 185 U1 bekannt, dass eine Hülse auf der Hülsenaußenfläche eine Vertiefung aufweist, in der ein Haftmedium aufgebracht ist. Problematisch ist jedoch an einer solchen Hülse, dass während der Lagerung und Bevorratung feine und grobe Schmutzpartikel und größere Gegenstände im Bereich der Vertiefung anhaften können. Dies kann über den gesamten Umfang der Hülse geschehen, weil die spiralförmige Vertiefung umlaufend ausgebildet ist. Hierdurch kann ein Festlegen des Wickelgutes mit seinem Anfang auf dem Haftmedium Probleme bereiten, sodass eine Anhaftung des Wickelgutes am Haftmedium erschwert oder gar verhindert wird und somit eine ausreichende Fixierung von Wickelgut auf der Oberfläche der Hülse nicht immer ausreichend gewährleistet werden kann.For example, is from the DE 296 06 185 U1 It is known that a sleeve on the sleeve outer surface has a recess in which an adhesive medium is applied. However, the problem with such a sleeve is that, during storage and storage, fine and coarse dirt particles and larger objects can adhere in the region of the depression. This can be done over the entire circumference of the sleeve, because the spiral-shaped depression is formed circumferentially. In this way, a set of the winding material with its beginning on the adhesive medium cause problems, so that adhesion of the winding material on the adhesive difficult or even prevented, and thus a sufficient fixation of winding material on the surface of the sleeve can not always be guaranteed sufficient.

Weiterhin Ist als Stand der Technik das Gebrauchsmuster DE 89 06 454 U1 bekannt, in der ein hülsenförmiger Wickelkern für dünnes bahnförmiges Wickelgut offenbart ist. Darin wird beschrieben, dass die Aufbringung von Wickelgut auf dem hülsenförmigen Wickelkern mit Hilfe einer Klebeschicht erfolgt, die vollflächig als Streifen auf der Deckbahn der Hülse aufgebracht ist. Die Klebeschicht verläuft allerdings nicht bündig auf der Außenfläche der Deckbahn, sondern etwas tiefer als die Deckbahn selbst. Ein Nachteil einer solchen Wickelhülse besteht darin, dass die Klebefläche ebenfalls durch Verunreinigungen und Staub in ihrer Klebefähigkeit beeinträchtigt wird und insofern eine Fixierung von Wickelgut auf der Hülse nicht immer ausreichend gewährleistet werden kann.Furthermore, the state of the art is the utility model DE 89 06 454 U1 in which a sleeve-shaped winding core for thin web-shaped winding material is disclosed. It describes that the application of Winding takes place on the sleeve-shaped winding core by means of an adhesive layer, which is applied over the entire surface as a strip on the cover sheet of the sleeve. However, the adhesive layer does not run flush on the outer surface of the cover sheet, but slightly lower than the cover sheet itself. A disadvantage of such a winding tube is that the adhesive surface is also affected by impurities and dust in their adhesiveness and thus a fixation of winding material on the sleeve can not always be guaranteed sufficiently.

In beiden Fällen kann es durch die anhaftenden Klebematerialien am Wickelgut ferner zu einer Funktionsstörung bei den später eingesetzten Maschinen kommen. Die Enden des Wickelgutes werden durch Klebeanhaftungen, gegebenenfalls mit Schmutzpartikeln bei der weiteren Bearbeitung des Wickelgutes abgewickelt und gelangen somit in die Maschine, wodurch die Funktionsstörungen auftreten können, wobei eine Verschmutzung der Maschine möglich ist, weil Klebstoffreste sich von der freiliegenden Klebeschicht ablösen und in die Maschine geraten können. Ähnlich verhält es sich mit Fremdkörpern oder Schmutzpartikeln, die die Funktion der Maschinen beeinträchtigen können.In both cases, it may also come through the adhering adhesive materials on the winding material to a malfunction in the later used machines. The ends of the winding material are unwound by adhesive adhesions, possibly with dirt particles in the further processing of the winding material and thus get into the machine, causing the malfunction may occur, with a dirtying of the machine is possible because adhesive remnants detach from the exposed adhesive layer and in the Machine can be advised. The situation is similar with foreign bodies or dirt particles, which can impair the function of the machines.

Aus dem US-Patent 4,950,518 ist eine Wickelhülse bekannt, auf die ein bandförmiger Klebstreifen spiralförmig aufgewickelt ist. Der Klebstreifen besteht aus mehreren Schichten, wobei die unterste Schicht ein Permanentkleber ist, der den Klebstreifen mit der Wickelhülse verbindet. Ein auf dem Permanentkleber aufgebrachtes Trägermaterial ist mit einem lösbaren Kleber auf der gegenüberliegenden Seite versehen. Darauf ist als oberste Lage eine entfernbare Schutzschicht aufgebracht, die entfernt werden muss, um das Anwickeln von bandförmigem Wickelgut zu ermöglichen.From the U.S. Patent 4,950,518 a winding tube is known, on which a band-shaped adhesive tape is wound spirally. The adhesive strip consists of several layers, the lowest layer being a permanent adhesive which bonds the adhesive strip to the winding tube. A carrier material applied to the permanent adhesive is provided with a releasable adhesive on the opposite side. Then a removable protective layer is applied as the top layer, which must be removed to allow the winding of tape-shaped winding material.

Aufgabe der Erfindung ist es daher, eine Hülse als Träger für bandförmiges Wickelgut bereitzustellen, welche eine Verschmutzung der Maschine durch Teile der Klebeschicht oder Fremdkörper von der Hülsenoberfläche verhindert und eine leicht lösbare Verbindung des Wickelguts von der Hülse gewährleistet.The object of the invention is therefore to provide a sleeve as a carrier for web-shaped winding material, which prevents contamination of the machine by parts of the adhesive layer or foreign matter from the sleeve surface and ensures an easily detachable connection of the winding material of the sleeve.

Erfindungsgemäß wird die Aufgabe dadurch gelöst, dass zumindest ein Kantenbereich der Decklage mit einem lösbaren Haftkleber benetzt ist, wobei sich dieser zwischen der Decklage und der darunter liegenden Lage befindet, sodass zwischen der Decklage und der darunter liegenden Lage ein Verpackungsband einschiebbar und fixierbar ist.According to the invention, the object is achieved in that at least one edge region of the cover layer is wetted with a releasable pressure-sensitive adhesive, which is between the cover layer and the underlying layer, so that between the cover layer and the underlying layer, a packaging tape can be inserted and fixed.

Eine erfindungsgemäße Hülse weist mehrere übereinander angeordnete Papier- oder Pappebahnen auf, die im Folgenden Lagen genannt werden und spiralförmig um einen Dorn gewickelt werden. Dadurch entsteht eine Hülse In Form eines Hohlzylinders, der als Wickelkern für beispielsweise bahnförmiges oder bandförmiges Material verwendet werden kann. Die radiale Wandstärke der Hülse wird durch die Anzahl der spiralförmig gewickelten Lagen bestimmt. Eine spiralförmige Wicklung garantiert hierbei eine ausreichende Stabilität der Hülse als Trägermaterial für das Wickelgut. Erfindungsgemäß ist die Breite der Decklage, dass heißt die letzte Lage der Hülse, kleiner als die darunter befindliche Lage. Durch die geringere Breite der Decklage wird unter Beibehaltung des gleichen Wickelwinkels somit die Umfangsfläche der darunter liegenden Lage nicht mehr vollflächig durch die Decklage der Hülse abgedeckt. Somit verlaufen die Längskanten der Decklage nach Wicklung beabstandet zueinander, sodass für den Betrachter entlang der Längskanten der Decklage ein Spalt ersichtlich ist. Der so entstandene Spalt verläuft dabei als Abstand der Längskanten zueinander über den gesamten Umfang der Hülse spiralförmig.A sleeve according to the invention has a plurality of superimposed paper or paperboard webs, which are referred to below layers and spirally wound around a mandrel. This creates a sleeve in the form of a hollow cylinder, which can be used as a hub for example, web-shaped or band-shaped material. The radial wall thickness of the sleeve is determined by the number of spirally wound layers. A spiral winding guarantees sufficient stability of the sleeve as a carrier material for the winding material. According to the invention, the width of the cover layer, that is to say the last layer of the sleeve, is smaller than the latter located location. Due to the smaller width of the cover layer, the circumferential surface of the underlying layer is thus no longer completely covered by the cover layer of the sleeve, while maintaining the same winding angle. Thus, the longitudinal edges of the cover layer run after winding spaced from one another, so that a gap is visible to the viewer along the longitudinal edges of the cover layer. The resulting gap runs as a distance of the longitudinal edges to each other over the entire circumference of the sleeve spirally.

Zur Fixierung eines Wickelgutes auf der Oberfläche der Hülse ist es notwendig, dass eine Befestigungsmöglichkeit zwischen der Decklage und dem Wickelgut vorhanden ist. Dafür ist erfindungsgemäß vorgesehen, dass zumindest ein Kantenbereich der beabstandet verlaufenden Längskanten der Decklage mit einem Haftkleber benetzt ist. Dies bedeutet, dass die Innenseite der Decklage auf der darunter liegenden Lage beispielsweise nahezu vollständig über einen normalen Kleber verbunden ist, während der Kantenbereich der Decklage lediglich partiell mit der darunter liegenden Lage über den Haftkleber verbunden ist. Der Vorteil einer solchen Ausgestaltung besteht darin, dass keine Verschmutzung einer nachfolgend zum Einsatz kommenden Maschine durch das bandförmige Material infolge von Klebstoffresten oder Fremdkörpern, die sich von der offen liegenden Klebeschicht der Hülse ablösen könnten, eintritt. Der Haftkleber befindet sich zwischen der Decklage und der darunter befindlichen Lage im Randbereich, sodass der Randbereich der Decklage jederzeit abgedeckt und wieder lösbar ausgebildet ist, wobei dies an jeder beliebigen Stelle der Decklage im Randbereich möglich ist. Hierdurch kann beispielsweise bandförmiges Wickelgut mit dem Wickelanfang unter die Decklage geschoben werden und wird durch den Haftkleber ausreichend fixiert, wobei nach zumindest einer Umdrehung das Wickelgut übereinander zu liegen kommt und sich somit festzieht. Beim Abwickeln hingegen kann das Wickelgut unproblematisch von den eingesetzten Maschinen von der Hülse abgezogen werden, wobei nur äußerst geringe Haftkleberrückstände auf dem Wickelende verbleiben. Darüber hinaus ist durch eine solche Ausführung sichergestellt, dass keine Verunreinigung an der gelagerten Hülse anhaften und somit auch nicht in die weiterverarbeitenden Maschinen gelangen können.For fixing a winding material on the surface of the sleeve, it is necessary that a possibility of attachment between the cover layer and the winding material is present. For this purpose, the invention provides that at least one edge region of the spaced-apart longitudinal edges of the cover layer is wetted with a pressure-sensitive adhesive. This means that the inside of the cover layer on the underlying layer, for example, is almost completely connected via a normal adhesive, while the edge region of the cover layer is only partially connected to the underlying layer via the pressure-sensitive adhesive. The advantage of such a configuration is that no contamination of a subsequent machine used by the belt-shaped material as a result of adhesive residues or foreign bodies, which could be detached from the exposed adhesive layer of the sleeve occurs. The pressure-sensitive adhesive is located between the cover layer and the underlying layer in the edge region, so that the edge region of the cover layer is covered at all times and again detachably formed, this being possible at any point of the cover layer in the edge region. As a result, for example, ribbon-shaped winding material can be pushed with the winding beginning under the cover layer and is sufficiently fixed by the adhesive, wherein after at least one revolution, the winding material comes to lie one above the other and thus tightened. When unwinding, however, the winding material can be easily withdrawn from the machine used by the sleeve, leaving only extremely low pressure adhesive residues on the winding end. In addition, it is ensured by such an embodiment that no contamination adhering to the stored sleeve and thus can not get into the processing machines.

In besonderer Ausgestaltung der Erfindung ist vorgesehen, dass die Decklage mittig mit einem handelsüblichen Kleber zur Verbindung der einzelnen Lagen und randseitig, zumindest einseitig, vorzugsweise beidseitig, mit einem Haftkleber benetzt ist. Durch den mittleren Bereich der obersten Decklage und den verwendeten Klebematerialien wird sichergestellt, dass die Anhaftung der Decklage auf den unteren Lagen in jedem Fall gewährleistet ist. Der Randbereich entlang der Längskante ermöglicht hingegen eine Ablösung der Decklage. Zum Anwickeln von bandförmigen Material kann dieses im Randbereich unter die Decklage geschoben werden, wobei dies nach vorgenannter Ausgestaltung im doppelten Sinne möglich ist, dass heißt eine einmal aufgesetzte Wickelhülse kann in jeder Umdrehungsrichtung durch die beidseitigen Haftkleber im Randbereich verwendet werden. In beiden Ausführungsbeispielen ermöglicht der Haftkleber hierbei ein nachträgliches Unterschieben des bandförmigen Wickelgutes mit einer ausreichenden Haftung für den Anwickelvorgang.In a particular embodiment of the invention, it is provided that the cover layer centrally with a commercial adhesive for connecting the individual layers and the edge, at least one side, preferably on both sides, with a Pressure-sensitive adhesive is wetted. The middle area of the uppermost cover layer and the adhesive materials used ensure that the adhesion of the cover layer to the lower layers is guaranteed in each case. The edge region along the longitudinal edge, however, allows a detachment of the top layer. To wrap tape-shaped material, this can be pushed in the edge region under the cover layer, this being possible in the double sense of the aforementioned embodiment, that is, a once attached winding tube can be used in each direction of rotation by the two-sided adhesive in the edge region. In both embodiments, the adhesive allows in this case a subsequent pushing the tape-shaped winding material with sufficient adhesion for the Anwickelvorgang.

Um die Zuführung des Wickelgutes unter die Decklage so einfach wie möglich zu gestalten ist in weiterer bevorzugter Ausführungsform der Erfindung vorgesehen, dass der seitliche Kantenbereich der Decklage nach außen gewölbt, aufgebördelt oder umgebogen ausgeführt ist. Hierdurch kann beispielsweise ein bandförmiges Wickelgut in Form eines Verpackungsbandes zum Aufwickeln leichtgängig unter die Decklage geführt werden. Die Längskanten der Decklage lassen sich hierbei durch die vorgegebene Wölbung wesentlich leichter anheben, sodass das Wickelgut an jeder beliebigen Stelle der äußeren Decklage befestigt werden kann.In order to make the feeding of the winding material under the cover layer as simple as possible, in a further preferred embodiment of the invention, it is provided that the lateral edge region of the cover layer is convex, crimped or bent over to the outside. In this way, for example, a band-shaped winding material in the form of a packaging tape for winding easily be guided under the top layer. The longitudinal edges of the cover layer can be significantly more easily lifted by the predetermined curvature, so that the winding material can be attached at any point of the outer cover layer.

Besondere Vorteile der vorliegenden Erfindung in der einen oder anderen Ausführungsvariante bestehen darin, dass die Hülse keine Schlitze, Rillen oder sonstige eingestanzte Vertiefungen benötigt oder aufweist, in die der Bandanfang manuell eingeführt werden muss. Vielmehr kann der Bandanfang unter den spiralförmig verlaufenden Kantenbereichen an jeder beliebigen Stelle an der Hülse ohne weitere Hilfsmittel (Kleber, Klebeband, Heftklammer, etc.) fixiert werden. Eine automatisierte Fixierung des Bandes auf der Hülse ist hierdurch leicht möglich. Ein weiterer Vorteil der erfindungsgemäßen Hülse besteht darin, dass das Band problemlos rechtwinklig oder im beliebigen Winkel zur Hülsenachse auf der Hülse fixiert werden kann und muss nicht, wie bei einer möglichen Taschenlösung dem spiraligen Neigungswinkel folgen. Ferner ist als Vorteil zu nennen, dass die Hülsenoberfläche glatt ausgebildet ist und keine Beulen oder ähnliche Unebenheiten besitzt, die durch die Stanzung von Schlitzen oder das Vorhandensein von klebstofffreien Einführungstaschen entstehen können.Particular advantages of the present invention in one or the other embodiment are that the sleeve does not require or has no slots, grooves or other stamped depressions into which the beginning of the tape must be manually inserted. Rather, the beginning of the tape under the spirally extending edge regions at any point on the sleeve without further aids (glue, tape, staple, etc.) can be fixed. An automated fixation of the tape on the sleeve is thereby easily possible. Another advantage of the sleeve according to the invention is that the band can be easily fixed at right angles or at any angle to the sleeve axis on the sleeve and does not have to follow the spiral inclination angle, as in the case of a possible pocket solution. It should also be mentioned as an advantage that the sleeve surface is smooth and has no bumps or similar unevenness, which can result from the punching of slots or the presence of adhesive-free insertion pockets.

Weitergehend ist vorgesehen, dass der Haftkleber eine mehrfache lösbare Verbindung zwischen der Decklage und der darunter befindlichen Lage ermöglicht, sodass die Hülse mehrfach eingesetzt werden kann, um beispielsweise das bandförmige Wickelgut aufzunehmen.Furthermore, it is provided that the pressure-sensitive adhesive allows a multiple detachable connection between the cover layer and the underlying layer, so that the sleeve can be used multiple times, for example, to receive the tape-shaped winding material.

Als Haftkleber sind alle adhäsiven Kohlenwasserstoffharze sowie Styrolblock-Copolymere verwendbar. Ferner können Kohlenwasserstoffester, Polyterpenharze, Terpenphenolharze als Haftkleber verwendet werden, wobei die genannte Aufzählung nicht als vollständig anzusehen ist. Auch ist es denkbar, dass ein Haftkleber sich aus einem Bitumengemisch zusammensetzt, um die erfindungsgemäßen Vorteile der Hülse zu gewährleisten. Bei der Auswahl der Haftkleber kommt es hierauf an, dass dieser mehrfach von einem vorhandenen Untergrund wieder ablösbar ist, welcher im vorliegenden Fall durch die unteren Lagen und die Decklage vorgegeben ist. Durch die Eigenschaft des Haftklebers wird hierbei sichergestellt, dass eine mehrfache Fixierung und Loslösung des Wickelgutes von der Hülse ermöglicht wird, wodurch die Hülse einer mehrfachen Verwendung zugeführt werden kann.As pressure-sensitive adhesive, all adhesive hydrocarbon resins and styrene block copolymers are usable. Furthermore, hydrocarbon esters, polyterpene resins, terpene-phenolic resins can be used as pressure-sensitive adhesives, said list is not to be considered as complete. It is also conceivable that a pressure-sensitive adhesive is composed of a bitumen mixture in order to ensure the advantages of the sleeve according to the invention. When choosing the adhesive, it is important that this is repeatedly detachable from an existing surface, which is given in the present case by the lower layers and the top layer. By the property of the pressure-sensitive adhesive it is ensured that a multiple fixation and detachment of the winding material from the sleeve is made possible, whereby the sleeve can be fed to a multiple use.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass die Decklage einen farblichen Unterschied zu der darunter liegenden Lage der Hülse aufweist. Durch den farblichen Unterschied zwischen Decklage und darunter liegender Lage wird eine automatische Erkennung der für die Fixierung des Wickelgutes vorgesehenen Zone im Bereich der Vertiefung leicht möglich. Hierdurch wird eine Einführung des Wickelgutes in den aufgebördelten Kantenbereich der Decklage der Hülse erleichtert, wobei der farbliche Kontrast zwischen Decklage und der darunter liegenden Lage einen Anwender der erfindungsgemäßen Hülse deutlich signalisiert, in welchem Bereich das Wickelgut fixiert werden kann.In a further embodiment of the invention, it is provided that the cover layer has a color difference from the underlying layer of the sleeve. Due to the difference in color between the cover layer and underlying layer an automatic detection of the intended for the fixation of the winding material zone in the depression is easily possible. As a result, an introduction of the winding material is facilitated in the crimped edge portion of the cover layer of the sleeve, the color contrast between top layer and the underlying layer clearly signals a user of the sleeve according to the invention, in which area the winding material can be fixed.

Der mit einem Haftkleber versehen Kantenbereich weist hierbei eine Breite von 1 bis 10 mm, bevorzugt 3 bis 5 mm auf, wodurch bereits eine sichere Anwicklung erfolgen kann.The edge area provided with a pressure-sensitive adhesive in this case has a width of 1 to 10 mm, preferably 3 to 5 mm, which can already be done a secure Anwicklung.

Die Erfindung wird anhand der nachfolgenden Figuren nochmals erläutert.The invention will be explained again with reference to the following figures.

Es zeigt

Fig.1
eine Seitenansicht eines Hülsenabschnittes mit einem fixierten Verpackungsband und
Fig. 2
in einer Draufsicht einen vergrößerten Ausschnitt der Hülsenoberfläche mit Verpackungsband.
It shows
Fig.1
a side view of a sleeve portion with a fixed packaging tape and
Fig. 2
in an overhead view an enlarged section of the sleeve surface with packaging tape.

Figur 1 zeigt in einer Seitenansicht eine erfindungsgemäße Hülse 1, die aus mehreren spiralförmig gewickelten Lagen 3 besteht. Üblicherweise wird für die Decklage eine höhere Papierqualität verwendet, da die Hülse auf ihrer Oberfläche erhöhten Beanspruchungen ausgesetzt wird. Hierzu stehen für den verarbeitenden Betrieb eine umfangreiche Auswahl verschiedener Papierqualitäten zur Verfügung. FIG. 1 shows a side view of a sleeve 1 according to the invention, which consists of several spirally wound layers 3. Usually, a higher paper quality is used for the top layer since the sleeve is subjected to increased stresses on its surface. For this purpose, a comprehensive selection of different paper grades is available for the processing company.

Aus der Figur 1 ist hierbei ein Abschnitt der Hülse 1 zu erkennen, welche aus unteren Lagen 3 gewickelt wurde. Auf die unteren Lagen 3 ist eine Decklage 2 aufgewickelt, welche nach erfindungsgemäßer Ausgestaltung eine geringere Breite als die unteren Lagen 3 aufweist. Unter Beibehaltung des Wickelwinkels wird somit die Decklage 2 auf die unteren Lagen 3 aufgewickelt, wobei im Kantenbereich 7 ein Spalt 8 entsteht. Durch die geringere Breite der Decklage 2 können die unteren Lagen 3 somit nicht vollständig abgedeckt werden und führen zur Ausführung des Spaltes 8. Der Spalt 8 wird durch die Längskante 5 der Decklage 2 begrenzt. Der Spalt 8 und die Längskante 5 der oberen Decklage 2 verläuft hierbei spiralförmig über den Außenumfang der Hülse 1. In bevorzugter Ausgestaltung der erfindungsgemäßen Hülse ist hierbei vorgesehen, dass unterhalb des Kantenbereiches 7 der Decklage 2 eine Benetzung mit einem Haftkleber erfolgt. Der Haftkleber gewährleistet hierbei die Möglichkeit, dass die Decklage 2 von den darunter befindlichen Lagen 3 wieder abgehoben werden kann. Somit besteht die Möglichkeit ein Wickelgut, beispielsweise ein Verpackungsband 4 mit seinem Ende unter die Decklage 2 zu schieben, um somit das Anwickeln des Verpackungsbandes 4 auf der Hülse 1 zu ermöglichen.From the FIG. 1 Here is a section of the sleeve 1 can be seen, which was wound from lower layers 3. On the lower layers 3, a cover layer 2 is wound, which has a smaller width than the lower layers 3 according to the invention embodiment. While maintaining the winding angle, the cover layer 2 is thus wound onto the lower layers 3, wherein a gap 8 is formed in the edge region 7. Due to the smaller width of the cover layer 2, the lower layers 3 can thus not be completely covered and lead to the execution of the gap 8. The gap 8 is limited by the longitudinal edge 5 of the cover layer 2. The gap 8 and the longitudinal edge 5 of the upper cover layer 2 in this case runs helically over the outer circumference of the sleeve 1. In a preferred embodiment of the sleeve according to the invention, it is provided that below the edge region 7 of the cover layer 2 wetting takes place with a pressure-sensitive adhesive. The pressure-sensitive adhesive ensures in this case the possibility that the cover layer 2 can be lifted off the underlying layers 3 again. Thus, there is the possibility of a winding material, for example a packaging tape 4 with its end to slide under the cover layer 2, so as to allow the Anwickeln the packaging tape 4 on the sleeve 1.

Der Kantenbereich 7, welcher auf der Unterseite mit dem Haftkleber benetzt ist, kann in weiterer Ausgestaltung der Erfindung zusätzlich nach außen hin umgebogen oder umgebördelt sein, sodass die Zuführung des Verpackungsbandes 4 erleichtert wird. Somit kann die erfindungsgemäße Hülse 1 dazu verwendet werden, an jeder beliebigen Stelle des Umfanges das Anwickeln des Verpackungsbandes 4 zu ermöglichen. Der besondere Vorteil dieser Erfindung besteht darin, dass die Hülse keine Schlitze oder Rillen oder sonstige eingestanzte Vertiefungen benötigt, in die üblicherweise der Bandanfang des Verpackungsbandes 4 eingeführt werden muss. Vielmehr wird bei dieser Lösung das Ende des Verpackungsbandes 4 unter die Kantenbereiche 7, dass heißt zwischen die Decklage 2 und die darunter befindliche Lage 3 geschoben, sodass nach beispielsweise einer 360° Grad Umdrehung der Hülse 1 das Band selbst arretiert wird und der weitere Wickelvorgang durchgeführt werden kann. Ein weiterer Vorteil der erfindungsgemäßen Hülse 1 besteht darin, dass das Band problemlos rechtwinklig oder in einem beliebigen Winkel zur Hülsenachse auf der Hülse fixiert werden kann und keine Notwendigkeit besteht, wie bei einer Taschenlösung den spiralförmigen Steigungswinkel einzuhalten. Hierdurch weist die Hülsenoberfläche der Hülse 1 auch keine Beulen oder ähnliche Unebenheiten auf, sondern ist vielmehr glatt gestaltet, sodass das Wickelgut, beispielsweise das Verpackungsband 4, ohne unerwünschte Verdickungen und Ausformungen aufgewickelt werden kann. Durch einen farblichen Unterschied zwischen der Decklage 2 und der darunter liegenden Lagen 3 wird darüber hinaus eine automatische Erkennung des Aufnahmebereiches deutlich und somit für das Personal zur Befestigung des Verpackungsbandes 4 die Arbeit erleichtert.The edge region 7, which is wetted on the underside with the pressure-sensitive adhesive, in a further embodiment of the invention may be additionally bent or flanged outwardly, so that the supply of the packaging tape 4 is facilitated. Thus, the sleeve 1 of the invention can be used to at any point of the circumference of the Anwickeln of To enable packaging tape 4. The particular advantage of this invention is that the sleeve requires no slots or grooves or other stamped recesses, in which usually the beginning of the tape band 4 must be introduced. Rather, in this solution, the end of the packaging tape 4 under the edge regions 7, that is pushed between the top layer 2 and the layer 3 underneath, so after example, a 360 ° rotation of the sleeve 1, the tape itself is locked and carried out the further winding process can be. Another advantage of the sleeve 1 of the invention is that the band can be easily fixed at right angles or at any angle to the sleeve axis on the sleeve and there is no need to comply with the helical pitch angle as in a bag solution. As a result, the sleeve surface of the sleeve 1 also no bumps or similar bumps, but rather is designed smooth, so that the winding material, such as the packaging tape 4, can be wound up without unwanted thickening and molding. Due to a difference in color between the top layer 2 and the underlying layers 3 an automatic detection of the receiving area is also clear and thus for the personnel to fasten the packaging tape 4, the work easier.

Figur 2 zeigt in einer vergrößerten Seitenansicht den Bereich der erfindungsgemäßen Hülse 1, und zwar dort, wo das Verpackungsband 4 unter den Kantenbereich 7 geschoben ist. Durch die Verwendung des Haftklebers kann sich somit die Decklage 2 von den darunter befindlichen Lagen 3 abheben, wobei dies durch Umbördeln zusätzlich erleichtert wird. FIG. 2 shows in an enlarged side view of the area of the sleeve 1 according to the invention, specifically where the packaging tape 4 is pushed under the edge portion 7. As a result of the use of the pressure-sensitive adhesive, the cover layer 2 can thus be lifted off from the layers 3 underneath, wherein this is further facilitated by beading.

Bezugszeichenliste:LIST OF REFERENCE NUMBERS

11
Hülseshell
22
Decklagetopsheet
33
Lagelocation
44
Verpackungsbandpackaging tape
55
Längskantelongitudinal edge
66
Bördelungflanging
77
Kantenbereichedge region
88th
Spaltgap

Claims (6)

  1. Sleeve (1) as a support for a strap-like material, in particular for packaging straps (4), of helically wound layers (3), the width of the cover layer (2) being smaller than the layer (3) located underneath it and extending along the longitudinal edge (5) at a distance,
    characterized in that
    at least one edge region (7) of the cover layer (2) is wetted with a releasable pressure-sensitive adhesive, the latter being located between the cover layer (2) and the layer located underneath it, so that between the cover layer (2) and the layer (3) located underneath it, a packaging strap (4) can be inserted and fixed.
  2. Sleeve (1) according to claim 1,
    characterized in that
    the cover layer (2) is wetted centrically with a commercially available adhesive for bonding the individual layers (3), and is wetted at the edge with a pressure-sensitive adhesive, at least on one side, preferably on either side.
  3. Sleeve (1) according to claim 1 or 2,
    characterized in that
    the cover layer (2) is all-over wetted with a pressure-sensitive adhesive.
  4. Sleeve (1) according to claim 1, 2 or 3,
    characterized in that
    the lateral edge region (7) of the cover layer (2) is curved, beaded or bent to the outside.
  5. Sleeve (1) according to one of claims 1 to 4,
    characterized in that
    the cover layer (2) differs from the at least one layer (3) located underneath it with respect to its colour.
  6. Sleeve (1) according to one of claims 1 to 5,
    characterized in that
    the packaging strap (4) can be fixed at an arbitrary angle to the sleeve's axis between the cover layer (2) and the layer (3) located underneath it.
EP20100014402 2009-11-12 2010-11-09 Winding core with adhesive Not-in-force EP2322461B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200920015313 DE202009015313U1 (en) 2009-11-12 2009-11-12 Winding tube with pressure-sensitive adhesive

Publications (2)

Publication Number Publication Date
EP2322461A1 EP2322461A1 (en) 2011-05-18
EP2322461B1 true EP2322461B1 (en) 2013-10-02

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ID=41606508

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100014402 Not-in-force EP2322461B1 (en) 2009-11-12 2010-11-09 Winding core with adhesive

Country Status (2)

Country Link
EP (1) EP2322461B1 (en)
DE (1) DE202009015313U1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202011050652U1 (en) 2011-07-07 2012-10-09 Greif Germany Gmbh mandrel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4950518A (en) * 1987-11-27 1990-08-21 Walliser Carl J Core for spooling strips of labels
DE8906454U1 (en) 1989-05-26 1989-07-27 Paul & Co Inh. K. Kunert & Soehne Gmbh & Co, 8789 Wildflecken, De
DE29606185U1 (en) 1996-04-03 1996-06-13 Elfes Gmbh & Co Tubular sleeve
JP4186019B2 (en) * 2002-06-21 2008-11-26 株式会社昭和丸筒 Winding core
DE202004017584U1 (en) * 2004-11-12 2005-01-13 Paul & Co. Gmbh & Co. Kg Tubular core for sheet materials of e.g. papermaking, printing, textile or plastic industries, has outer pocket accepting free end of wound material

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EP2322461A1 (en) 2011-05-18

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