EP0312037A2 - Mechanically removable label - Google Patents

Mechanically removable label Download PDF

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Publication number
EP0312037A2
EP0312037A2 EP88116974A EP88116974A EP0312037A2 EP 0312037 A2 EP0312037 A2 EP 0312037A2 EP 88116974 A EP88116974 A EP 88116974A EP 88116974 A EP88116974 A EP 88116974A EP 0312037 A2 EP0312037 A2 EP 0312037A2
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EP
European Patent Office
Prior art keywords
label
substance
less
labels
paper
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
EP88116974A
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German (de)
French (fr)
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EP0312037A3 (en
EP0312037B1 (en
Inventor
Hans-Heinrich Dipl.-Ing. Töpfer
Kurt Uehla
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Topfer Kulmbach GmbH
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Topfer Kulmbach GmbH
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Priority to AT88116974T priority Critical patent/ATE102376T1/en
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Publication of EP0312037A3 publication Critical patent/EP0312037A3/en
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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/08—Fastening or securing by means not forming part of the material of the label itself
    • G09F3/10—Fastening or securing by means not forming part of the material of the label itself by an adhesive layer
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F2003/023—Adhesive
    • G09F2003/0233—Resistance to humidity
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F2003/023—Adhesive
    • G09F2003/0242—Adhesive soluble in water
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F2003/023—Adhesive
    • G09F2003/0244—Adhesive soluble in chemicals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F2003/0255—Forms or constructions laminated
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F2003/0272—Labels for containers
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F2003/0272—Labels for containers
    • G09F2003/0273—Labels for bottles, flasks

Definitions

  • the invention relates to a mechanically detachable label made of paper, aluminum, plastic film or compositions thereof for application to glass and / or plastic bottles or for the identification of tradable objects of all kinds, such as bottle crates or the like, with at least one for adhesion to the object activatable substance which contains a first substance which can be incorporated into the label material and / or which can be applied to the rear side and which enables mechanical detachment, and a second substance which is applied to its rear side and which has adhesion promoter properties.
  • Such labels are widely used as stomach and breast labels, but also as back labels and neck foils, particularly in the beverage market.
  • the high filling speed, for example of beer bottles with up to 70,000 bottles per hour, the extremely different weather conditions to which such bottles are exposed, and the tougher environmental conditions in connection with the cleaning of the bottled goods put a strain on both the labels themselves and their printing and gluing very high requirements in many respects.
  • hand-peelable labels are known, the advertising objective of which is also mediated via the back of the label, such labels having specially coated backside coatings which ensure mechanical detachment from a glass bottle, but with a relatively slow pull-off speed.
  • Labels with special preparation and detaching properties can be removed from bottles but also bottle crates and other objects in the dry state by means of brush machines and water-spraying machines or the like, almost without residue, and at throughput speeds that do correspond to the filling and thus the labeling speed.
  • the procedure is such that the labels held in the bundle in the labeling machine, on the back of which are not specially prepared for re-detachment, are individually glued on the back by feeding a liquid adhesive to a glue station via a glue roller, which is then transferred to glue pallets.
  • the glue pallets are then guided to the label magazine via an associated pallet carousel. Due to the glue film on the glue pallets, the labels in the label magazine with the back facing the glue pallet are individually removed and fed together with the movement of the glue pallet to a gripper which intermittently takes over the labels.
  • a glue splitting takes place between the back of the label and the pallet, so that the labels carry enough adhesive on their back.
  • the gripper cylinder transports the glued labels to a bottle table, where they are blown air and sponges transfer the labels to the bottles and hold them there.
  • the bottles then pass through soft brush or sponge pressure surfaces in a pressing section in order to subsequently be released.
  • the back coating according to the present invention with the two fabric components that are tailored to special release properties not only results in a problem-free labeling in an advantageous manner, but also shows a high weather resistance for the durability of the label before the bottle return, which is suitable for the temperatures and Moisture is also suitable in extreme weather conditions.
  • the previously usual alkali concentration can also be considerably reduced, as can the washing temperature at which the bottle is cleaned.
  • Good paper smoothness, especially for printability, is a prerequisite and essential requirement for the starting material, as is good flatness for problem-free labeling, as is weather resistance with regard to light, sun and rain in a temperature range of at least minus 25 ° C to plus 65 ° C.
  • the already mentioned condensation resistance means that a detachment or only a detachment of the label, and here in particular the above-mentioned back coating by condensation water, may not occur under any circumstances, but nevertheless the penetration of the label for the damp delivery of activity from the back to the front and thus must be guaranteed for the required drying process.
  • times between 20 and 48 hours are specified, depending on the storage conditions.
  • the separating layer must be such that the glue applied to it in no way dissolves or even penetrates this coating medium, since otherwise an adhesion to the paper fiber which is to be prevented under all circumstances takes place and the desired mechanical detachment is no longer possible.
  • the two substances i.e. the release medium and the adhesion promoter or the glue layer, on the one hand, must be inert to one another, so they must not show any additional chemical reactions or undesirable mixtures, but on the other hand, they must not repel each other, i.e., for example Behave water and oil.
  • the gluing image of the labels which is shown in a preferred embodiment in FIG. 1, is also important and essential. It is particularly important here that the glue does not come into contact with the cut edges of the label, since otherwise the paper fiber is bonded precisely in this area. In addition to the change in the glue palette necessary for the function to specify such a gluing pattern, the glue consumption can be further reduced as a result. As shown in FIG. 1, the gluing pattern or the glue pallet L is set back around the entire circumferential edge of the label B, practical values of 2 to 5 mm seem reasonable, the middle one The area between the upper and lower gripper recesses G is set back by a further 2 mm.
  • the gluing consists of screened individual gluing fields, which are delimited by glue-free webs running parallel to the longitudinal direction and parallel to the transverse direction.
  • the glue-free webs each run at the level of the gripper recesses that were already provided in the previously known gluing operations.
  • the separating medium is evenly distributed over the entire back of the label, and is not based on the specified gluing pattern.
  • so-called predetermined gluing points in the form of points arranged in a grid can also be specified for the separation medium, i.e. Openings in the backside release agent coating through which the glue application reaches the fiber structure of the label material itself.
  • Such predetermined gluing points are desired for a number of applications, in particular for checking purposes.
  • Bottle labels made of: Thickness in ⁇ Weight g / m2 Penetration sec.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Labeling Devices (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Laminated Bodies (AREA)
  • Adhesive Tapes (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Adornments (AREA)
  • Pens And Brushes (AREA)

Abstract

Labels are described which are made from paper, aluminium, plastic film or combinations thereof, which are removable mechanically and by machine from glass and/or plastic bottles or other commercial articles of all types, such as bottle crates or the like. For this purpose, the labels are provided with at least one substance which can be activated to adhere to the article. A distinction is made between a first substance, which makes the mechanical removal possible, and a second substance which is applied to the back thereof and possesses adhesion-promoting properties. The first substance is a release layer which is proof against water of condensation and has a particular solids content and a processing viscosity which is selected in a defined manner. The second substance, which imparts adhesive properties, is applied in the form of a gluing pattern, with a glue pallet offset backward along the edges of the label, in such a manner that removal forces are obtained for the label of between 2 and 8 Newtons. <IMAGE>

Description

Die Erfindung bezieht sich auf ein aus Papier, Aluminium, Kunststoffolie oder Zusammensetzungen hiervon bestehendes, mechanisch ablösbares Eti­kett zum Aufbringen auf Glas- und/oder Kunststoff­flaschen bzw. zur Kennzeichnung handelsfähiger Gegenstände aller Art, wie Flaschenkästen oder dergleichen, mit wenigstens einer zur Haftung am Gegenstand aktivierbaren Substanz, die einen in das Etikettenmaterial einarbeitbaren und/oder auf dessen Rückseite auftragbaren,die mechanische Ablösung ermöglichenden ersten Stoff und einen auf seiner Rückseite aufgebrachten zweiten gegen­über dem Gegenstand Haftvermittlereigenschaften aufweisenden Stoff enthält. (DE-OS 35 08 150)The invention relates to a mechanically detachable label made of paper, aluminum, plastic film or compositions thereof for application to glass and / or plastic bottles or for the identification of tradable objects of all kinds, such as bottle crates or the like, with at least one for adhesion to the object activatable substance which contains a first substance which can be incorporated into the label material and / or which can be applied to the rear side and which enables mechanical detachment, and a second substance which is applied to its rear side and which has adhesion promoter properties. (DE-OS 35 08 150)

Solche Etiketten finden als Bauch- und Brusteti­ketten aber auch als Rückenetiketten und Hals­folierung insbesondere auf dem Getränkemarkt ei­ne breite Anwendung. Die hohe Abfüllgeschwindig­keit, beispielsweise von Bierflaschen mit bis zu 70 000 Flaschen pro Stunde, die extrem unter­schiedlichen Witterungsbedingungen, denen sol­che Flaschen ausgesetzt sind, und die verschärf­ten Umweltbedingungen im Zusammenhang mit der Reinigung des Flaschenrückgutes stellen sowohl an die Etiketten selbst als auch ihre Bedruckung und Beleimung in vielerlei Hinsicht sehr hohe Anforderungen.Such labels are widely used as stomach and breast labels, but also as back labels and neck foils, particularly in the beverage market. The high filling speed, for example of beer bottles with up to 70,000 bottles per hour, the extremely different weather conditions to which such bottles are exposed, and the tougher environmental conditions in connection with the cleaning of the bottled goods put a strain on both the labels themselves and their printing and gluing very high requirements in many respects.

Besonders letzteres Problem, also die Flaschen­reinigung des beispielsweise in eine Bierbrau­erei zurückkommenden Leergutes, zeigt ein weit­gefächertes Spektrum an Schwierigkeiten und Aufgaben auf, das von der Schwermetallbeseitigung über spezielle Handhabungen der Schmutzfrachten, die Laugensedimentation und Laugenneutralisation bis hin zur Abwasserentsorgung mit ihrer auf­wendigen Zellulosefaserbeseitigung reicht. Die bekannten Entwicklungen einer verbesserten Pa­pierqualität, die Anwendung spezieller Druck­verfahren und die Auswahl geeigneter auch um­weltfreundlicher Druckfarben brachten hier bis­her noch keinen Lösungsdurchbruch.The latter problem in particular, that is, the bottle cleaning of the empties returning to a beer brewery, for example, shows a wide range of difficulties and tasks that ranges from heavy metal disposal to special handling of dirt loads, lye sedimentation and lye neutralization to waste water disposal with its complex cellulose fiber disposal. The known developments of improved paper quality, the use of special printing processes and the selection of suitable and environmentally friendly printing inks have so far not brought about a solution breakthrough.

Für Werbezwecke sind beispielsweise von Hand ab­ziehbare Etiketten bekannt, deren Werbezielsetzung auch über die Etikettenrückseite verhittelt wird, wo­bei solche Etiketten speziell beschichtete Rückenseiten­beschichtungen aufweisen, die das mechanische Lösen von einer Glasflasche, jedoch mit verhältnismäßig geringer Abzuggeschwindigkeit sicherstellen.For promotional purposes, for example, hand-peelable labels are known, the advertising objective of which is also mediated via the back of the label, such labels having specially coated backside coatings which ensure mechanical detachment from a glass bottle, but with a relatively slow pull-off speed.

Für Hochgeschwindigkeitsverfahren der eingangs genannten Art, die nicht nur für den Abfüllvor­gang und damit für die Etikettierung von Flaschen gelten, sondern gleichermaßen auch für die Etiketten­ablösung bei dem zurückfließenden Leergut, ist die­ser bekannte Stand der Technik nicht geeignet.This known prior art is not suitable for high-speed processes of the type mentioned at the outset, which apply not only to the filling process and therefore to the labeling of bottles, but also to the label detachment in the case of the empties flowing back.

Andererseits ist eine Vorrichtung in Vorschlag gebracht worden,die das mechanische Ablösen von Etiketten insbesondere von Flaschen ermöglicht, und zwar auch und besonders unter den Extrembe­dingungen in Brauereien. Die mechanische Ablösung erfolgt hierbei, bevor die Flaschen mit Flüssig­keit, nämlich der üblichen Waschlauge, in Berührung gebracht werden, wodurch sich eine Vielzahl von Vor­teilen ergeben (DE-OS 37 13 811).On the other hand, a device has been proposed which enables the mechanical detachment of labels, in particular bottles, even and particularly under the extreme conditions in breweries. The mechanical detachment takes place here before the bottles are brought into contact with liquid, namely the usual wash liquor, which results in a multitude of advantages (DE-OS 37 13 811).

Die Trockenbeseitigung von Etiketten vor dem eigentlichen Naßwaschvorgang reduziert die bis­herigen Laugenverluste erheblich, verlängert die möglichen Laugenstandzeiten, führt zu einer er­heblichen Energieeinsparung des Gesamtreinigungs­vorganges, erleichtert die Etikettenentsorgung, bei der nunmehr problemlos wie bei der normalen Altpapierbeseitigung vorgegangen werden kann, und verringert so neben einer beträchtlichen Ver­kürzung des Gesamtverfahrensablaufes die bisher nur unter großem Aufwand in den Griff zu bekommen­den Umweltprobleme.The dry removal of labels before the actual wet washing process significantly reduces the previous alkali loss, extends the possible alkali service life, leads to considerable energy savings for the overall cleaning process, facilitates the disposal of labels, which can now be carried out without any problems as with normal waste paper disposal, and thus reduces in addition to a considerable amount Shortening the overall process flow, the environmental problems that have so far only been able to be managed with great effort.

Wesentlich für eine solche Trockenentsorgung sind spezielle Präparationseigenschaften der Rückseite des Etiketts bzw. des Etiketten­materials selbst. Die bisherigen bekannten an­fänglichen Versuche unter den genannten Brauerei­bedingungen hatten noch nicht zu abschließenden Erkenntnissen geführt.Special preparation properties of the back of the label or the label material itself are essential for such a dry disposal. The previously known initial attempts under the brewery conditions mentioned had not yet led to conclusive findings.

Hier setzt die vorliegende Erfindung ein, der die Aufgabe zugrunde liegt, die Präparations­eigenschaften und die damit zusammenwirkende Gestaltung der Etikettenrückseite so auszuführen, daß im mechanischen Trockenverfahren mit den hier­für zur Verfügung gestellten Maschinen ein sicheres Ablösen der Etiketten mit praktisch vernachlässig­bar zurückbleibenden Restverunreinigungen möglich wird.This is where the present invention comes in, which is based on the task of carrying out the preparation properties and the interacting design of the back of the label in such a way that the mechanical drying process with the machines provided for this purpose makes it possible to remove the labels safely with practically negligible residual impurities.

Die Lösung dieser Aufgabe wird erfindungsgemäß durch die im Kennzeichen des Anspruchs 1 ange­gebenen Merkmale erreicht.This object is achieved according to the invention by the features specified in the characterizing part of claim 1.

Die Unteransprüche geben vorteilhafte Ausge­staltungen dieser Aufgabenlösung an.The subclaims indicate advantageous configurations of this task solution.

Die so ausgestatteten, d.h. mit besonderen Präparations- und Ablöseeigenschaften versehen­en Etiketten lassen sich im trockenen Zustand mittels Bürstenmaschinen und Wasser-Abspritzmaschinen oder dgl. nahezu rückstandslos von Flaschen aber auch Flaschenkästen und anderen Gegenständen ablösen, und zwar bei Durchsatzgeschwindigkeiten, die der Abfüll- und da­mit der Etikettiergeschwindigkeit durchaus ent­sprechen.The so equipped, i.e. Labels with special preparation and detaching properties can be removed from bottles but also bottle crates and other objects in the dry state by means of brush machines and water-spraying machines or the like, almost without residue, and at throughput speeds that do correspond to the filling and thus the labeling speed.

Bei der klassischen Etikettierung von Flaschen wird so vorgegangen, daß die im Bündel in der Etikettiermaschine gehaltenen, auf ihrer Rück­seite bezüglich der Wiederablösung nicht speziell präparierten Etiketten einzeln rückseitenbeleimt werden, indem einer Leimstation über eine Leim­walze ein Flüssigklebstoff zugeführt wird, der auf Leimpaletten übertragen wird. Über ein zuge­höriges Palettenkarussell werden dann die Leim­paletten zum Etikettenmagazin geführt. Durch den auf den Leimpaletten befindlichen Leimfilm werden die im Etikettenmagazin mit der Rückseite zur Leimpalette weisenden Etiketten einzeln entnommen und zusammen mit der Bewegung der Leimpalette einem Greifer zugeführt, der die Etiketten inter­mittierend übernimmt. Durch das Abziehen der Eti­ketten von der jeweiligen Leimpalette erfolgt eine Leimaufspaltung zwischen Etikettenrückseite und Palette, so daß die Etiketten hierbei genügend Klebstoff auf ihrer Rückseite mitnehmen. Der Greiferzylinder transportiert die beleimten Eti­ketten zu einem Flaschentisch, wo mittels Blas­ luft und Schwämme die Etiketten auf die Flaschen übertragen und hier festgehalten werden. Im weiteren Ver­fahrensablauf durchlaufen die Flaschen dann in einer Andrückstrecke weiche Bürsten- oder Schwamm­durckflächen, um nachfolgend freigegeben zu wer­den. Die Rückseitenbeschichtung nach der vor­liegenden Erfindung mit den beiden Stoffkompo­nenten die auf spezielle Ablöseeigenschaften abgestimmt sind, ergibt nicht nur in vorteil­hafter Weise eine problemlose Etikettierung, son­dern zeigt auch für die Haltbarkeit des Etiketts vor dem Flaschenrücklauf eine hohe Witterungs­beständigkeit, die für die in Frage kommenden Temperaturen und Feuchtigkeiten auch bei Extrem­wetterlagen geeignet ist. Neben einer erheblichen Laugeneinsparung für das sich an die mechanische Trockenablösung anschließende Flüssigwaschverfah­ren zeigt sich darüber hinaus, daß zusätzlich die bisher übliche Laugenkonzentration beträchtlich reduziert werden kann, wie übrigens auch die Wasch­temperatur, bei der die Flaschenreinigung erfolgt.In the classic labeling of bottles, the procedure is such that the labels held in the bundle in the labeling machine, on the back of which are not specially prepared for re-detachment, are individually glued on the back by feeding a liquid adhesive to a glue station via a glue roller, which is then transferred to glue pallets. The glue pallets are then guided to the label magazine via an associated pallet carousel. Due to the glue film on the glue pallets, the labels in the label magazine with the back facing the glue pallet are individually removed and fed together with the movement of the glue pallet to a gripper which intermittently takes over the labels. By pulling the labels off the respective glue pallet, a glue splitting takes place between the back of the label and the pallet, so that the labels carry enough adhesive on their back. The gripper cylinder transports the glued labels to a bottle table, where they are blown air and sponges transfer the labels to the bottles and hold them there. In the further course of the process, the bottles then pass through soft brush or sponge pressure surfaces in a pressing section in order to subsequently be released. The back coating according to the present invention with the two fabric components that are tailored to special release properties not only results in a problem-free labeling in an advantageous manner, but also shows a high weather resistance for the durability of the label before the bottle return, which is suitable for the temperatures and Moisture is also suitable in extreme weather conditions. In addition to a considerable saving in alkali for the liquid washing process which follows the mechanical dry detachment, it is also shown that the previously usual alkali concentration can also be considerably reduced, as can the washing temperature at which the bottle is cleaned.

Eine gute Papierglätte, insbesondere für die Druck­barkeit ist gleichermaßen wie eine gute Planlage für die problemlose Etikettierung Voraussetzung und wesentliche Anforderung an das Ausgangsmateri­al, wie auch die Witterungsbeständigkeit hinsicht­lich Licht-, Sonne- und Regeneinflüssen in einem Temperaturbereich von mindestens minus 25°C bis plus 65°C. Die bereits erwähnte Schwitzwasserbe­ständigkeit beinhaltet, daß eine Ablösung oder auch nur Anlösung des Etiketts, und hier insbe­sondere der genannten Rückseitenbeschichtung durch Schwitzwasser keinesfalls auftreten darf, dennoch aber die Durchdringung des Etiketts für die Feuch­ tigkeitsabgabe von der Rückseite zur Vorderseite und damit für den erforderlichen Abtrockungs­vorgang gewährleistet bleiben muß. Für die Trock­nungszeiten bei Kalt- und Naßabfüllung von Flasch­en, die bekanntlich bei ca. 2°C erfolgt, werden je nach Lagerverhältnissen, Zeiten zwischen 20 und 48 h angegeben. Die Trennschicht muß darüber hinaus so beschaffen sein, daß der auf sie aufgebrachte Leim keinesfalls dieses Beschichtungsmedium anlöst oder gar durchdringt, da sonst eine unter allen Umständen zu verhindernde Verklebung mit der Papier­faser erfolgt, und damit die gewünschte mechanische Ablösung nicht mehr möglich wird. Die beiden Stoffe, also einmal das Trennmedium und zum anderen der Haftvermittler bzw. die Leimschicht, müssen einerseits gegeneinander inert sein, also dürfen keine zusätzlich­en chemischen Reaktionen zeigen oder unerwünschte Vermischungen eingehen, sie dürfen andererseits ein­ander jedoch auch nicht abstoßen, d.h. sich zueinander wie beispielsweise Wasser und Öl verhalten.Good paper smoothness, especially for printability, is a prerequisite and essential requirement for the starting material, as is good flatness for problem-free labeling, as is weather resistance with regard to light, sun and rain in a temperature range of at least minus 25 ° C to plus 65 ° C. The already mentioned condensation resistance means that a detachment or only a detachment of the label, and here in particular the above-mentioned back coating by condensation water, may not occur under any circumstances, but nevertheless the penetration of the label for the damp delivery of activity from the back to the front and thus must be guaranteed for the required drying process. For the drying times for cold and wet filling of bottles, which is known to take place at approx. 2 ° C, times between 20 and 48 hours are specified, depending on the storage conditions. In addition, the separating layer must be such that the glue applied to it in no way dissolves or even penetrates this coating medium, since otherwise an adhesion to the paper fiber which is to be prevented under all circumstances takes place and the desired mechanical detachment is no longer possible. The two substances, i.e. the release medium and the adhesion promoter or the glue layer, on the one hand, must be inert to one another, so they must not show any additional chemical reactions or undesirable mixtures, but on the other hand, they must not repel each other, i.e., for example Behave water and oil.

Wichtig und wesentlich ist auch das Beleimungsbild der Etiketten, das in einem bevorzugten Ausführungs­beispiel in Fig. 1 wiedergegeben ist. Besonders wesentlich ist hierbei, daß der Leim nicht mit den Schnittkanten des Etiketts in Berührung kommt, da sonst eine Verklebung mit der Papierfaser gerade in diesem Bereich erfolgt. Neben der für die Funk­tion notwendigen Veränderung der Leimpalette zur Vorgabe eines solchen Beleimungsbildes, läßt sich hierdurch zusätzlich der Leimverbrauch weiter ver­mindern. Wie Fig. 1 zeigt, ist das Beleimungsmuster, bzw. die Leimpalette L um den gesamten Umfangrand des Etiketts B zurückgesetzt, wobei praktisch Werte von 2 bis 5 mm sinnvoll scheinen, wobei der mittlere Bereich zwischen den oberen und unteren Greifer­aussparungen G hier um weitere 2 mm zurückge­setzt ist. Ansonsten besteht wie dargestellt die Beleimung aus gerasterten einzelnen Belei­mungsfeldern, die von parallel zur Längsrichtung und parallel zur Querrichtung verlaufenden leim­freien Bahnen begrenzt sind. Vorzugsweise ver­laufen die leimfreien Bahnen jeweils in Höhe der Greiferaussparungen die bei den bisher bekannten Beleimungen bereits vorgesehen waren.The gluing image of the labels, which is shown in a preferred embodiment in FIG. 1, is also important and essential. It is particularly important here that the glue does not come into contact with the cut edges of the label, since otherwise the paper fiber is bonded precisely in this area. In addition to the change in the glue palette necessary for the function to specify such a gluing pattern, the glue consumption can be further reduced as a result. As shown in FIG. 1, the gluing pattern or the glue pallet L is set back around the entire circumferential edge of the label B, practical values of 2 to 5 mm seem reasonable, the middle one The area between the upper and lower gripper recesses G is set back by a further 2 mm. Otherwise, as shown, the gluing consists of screened individual gluing fields, which are delimited by glue-free webs running parallel to the longitudinal direction and parallel to the transverse direction. Preferably, the glue-free webs each run at the level of the gripper recesses that were already provided in the previously known gluing operations.

Das Trennmedium ist bei dem Ausführungsbeispiel nach Fig. 1 über die gesamte Rückseite des Eti­ketts gleichmäßig verteilt, und richtet sich hier­bei nicht nach dem vorgegebenen Beleimungsmuster. Wie die schematische Darstellung nach Fig. 2 zeigt, können jedoch auch für das Trennmedium sogenannte Sollklebstellen in Form von rasterförmig angeord­neten Punkten vorgegeben werden, d.h. Durchbrechung­en in der Rückseiten-Trennmittelbeschichtung durch die der Leimauftrag bis in die Faserstruktur des Etikettenmaterials selbst gelangt. Solche Soll­klebstellen sind für eine Reihe von Anwendungs­fällen, insbesondere für Überprüfungszwecke er­wünscht.In the exemplary embodiment according to FIG. 1, the separating medium is evenly distributed over the entire back of the label, and is not based on the specified gluing pattern. As the schematic representation according to FIG. 2 shows, so-called predetermined gluing points in the form of points arranged in a grid can also be specified for the separation medium, i.e. Openings in the backside release agent coating through which the glue application reaches the fiber structure of the label material itself. Such predetermined gluing points are desired for a number of applications, in particular for checking purposes.

Nachfolgend sind in Form einer Tabelle noch die für die erfindungsgemäße Präparation der Etiketten erforderlichen Werte, sowohl für Flaschenetiketten als auch Kastenetiketten zusammengestellt, sowie die das Beschichtungsmedium für die Rückseite der Etiketten betreffenden Angaben. TABELLE A. 1. Flaschenetiketten gefertigt aus: Dicke in µ Gewicht g/m² Penetration sec. *1 Wasseraufnahme nach Cobb Rückseite g/m² Abzugskräfte in N VS zur RS RS zur VS a) Papier größer 55 kleiner 100 60 bis 100 größer 5 größer 8 kleiner 3 größer 3 kleiner 8 b) aluminiumbedampftes Papier größer 35 kleiner 100 20 bis 100 größer 5 größer 8 kleiner 3 größer 3 kleiner 8 c) Aluminiumfolie größer 6 kleiner 15 20 bis 30 keine keine keine größer 3 kleiner 8 d) Kunststoff-Folie größer 24 kleiner 200 25 bis 100 keine keine keine größer 3 kleiner 8 e) Verbund a + c größer 40 kleiner 120 50 bis 100 keine keine kleiner 3 größer 3 kleiner 8 f) Verbund a + d größer 65 kleiner 200 50 bis 100 keine keine kleiner 3 größer 3 kleiner 8 g) Verbund b + d größer 60 kleiner 200 50 bis 100 keine keine kleiner 3 größer 3 kleiner 8 *1 - Gemessen mit der Norm-Tinte 2. Kastenetiketten gefertigt aus: a) Papier größer 70 kleiner 130 70 bis 120 größer 5 größer 10 kleiner 3 größer 2 kleiner 8 b) alubedampftes Papier größer 70 kleiner 120 70 bis 120 größer 5 größer 10 kleiner 3 größer 2 kleiner 8 c) Kunststoff-Folie größer 70 kleiner 200 60 bis 120 keine keine keine größer 2 kleiner 8 d) Verbund a + c größer 70 kleiner 200 60 bis 120 keine keine kleiner 3 größer 2 kleiner 8 e) Verbund b + c größer 70 kleiner 200 60 bis 120 keine keine kleiner 3 größer 2 kleiner 8 f) Verbund Papier mit Alu-Folie größer 70 kleiner 200 70 bis 120 keine keine kleiner 3 größer 2 kleiner 8 B. Beschichtungsmedium für die Rückseite 1. Auftragsmenge Naßauftrag in µ Verarbeitungsviscosität (sec.) *2 Festkörperanteile in % Auftragsverfahren: a) Papier größer 20 größer 25 kleiner 40 größer 20 kleiner 80 b) alubedampftes Papier größer 20 größer 25 kleiner 40 größer 20 kleiner 80 c) Alu-Folie größer 15 größer 25 kleiner 40 größer 20 kleiner 80 Tiefdruck d) Kunststoff-Folie größer 15 größer 25 kleiner 40 größer 20 kleiner 80 (1) Flexodruck e) Verbund a + c größer 20 größer 25 kleiner 40 größer 20 kleiner 80 Beschichtungswerk f) Verbund a + d größer 20 größer 25 kleiner 40 größer 20 kleiner 80 g) Verbund b + d größer 20 größer 25 kleiner 40 größer 20 kleiner 80 *2 - Gemessen im 3mm Becher 2. Auftragsverfahren: Offset für alle Materialien a - g gleiche Daten für: Auftragsmenge: 3 bis 12 g Verarbeitungskonsistenz: kurz (wegen leichter Spaltung) The values required for the preparation of the labels according to the invention, both for bottle labels and box labels, and the information relating to the coating medium for the back of the labels are also summarized below in the form of a table. TABLE A. 1. Bottle labels made of: Thickness in µ Weight g / m² Penetration sec. * 1 Water absorption according to Cobb back g / m² Withdrawal forces in N VS to RS RS to VS a) paper greater than 55 less than 100 60 to 100 greater than 5 greater than 8 less than 3 greater than 3 less than 8 b) aluminum-coated paper greater than 35 less than 100 20 to 100 greater than 5 greater than 8 less than 3 greater than 3 less than 8 c) aluminum foil greater than 6 less than 15 20 to 30 no no no greater than 3 less than 8 d) plastic film greater than 24 less than 200 25 to 100 no no no greater than 3 less than 8 e) Association a + c greater than 40 less than 120 50 to 100 no no less than 3 greater than 3 less than 8 f) Association a + d greater than 65 less than 200 50 to 100 no no less than 3 greater than 3 less than 8 g) Association b + d greater than 60 less than 200 50 to 100 no no less than 3 greater than 3 less than 8 * 1 - Measured using standard ink 2. Box labels made of: a) paper greater than 70 less than 130 70 to 120 greater than 5 greater than 10 less than 3 greater than 2 less than 8 b) steamed paper greater than 70 less than 120 70 to 120 greater than 5 greater than 10 less than 3 greater than 2 less than 8 c) plastic film greater than 70 less than 200 60 to 120 no no no greater than 2 less than 8 d) Association a + c greater than 70 less than 200 60 to 120 no no less than 3 greater than 2 less than 8 e) Association b + c greater than 70 less than 200 60 to 120 no no less than 3 greater than 2 less than 8 f) Composite paper with aluminum foil greater than 70 less than 200 70 to 120 no no less than 3 greater than 2 less than 8 B. coating medium for the back 1. Order quantity wet order in µ Processing viscosity (sec.) * 2 Solid content in% Application procedure: a) paper greater than 20 greater than 25 less than 40 greater than 20 less than 80 b) steamed paper greater than 20 greater than 25 less than 40 greater than 20 less than 80 c) aluminum foil bigger than 15 greater than 25 less than 40 greater than 20 less than 80 Gravure printing d) plastic film bigger than 15 greater than 25 less than 40 greater than 20 less than 80 (1) Flexographic printing e) Association a + c greater than 20 greater than 25 less than 40 greater than 20 less than 80 Coating plant f) Association a + d greater than 20 greater than 25 less than 40 greater than 20 less than 80 g) Association b + d greater than 20 greater than 25 less than 40 greater than 20 less than 80 * 2 - Measured in a 3mm cup 2. Application process: offset same data for all materials a - g for: Order quantity: 3 to 12 g Processing consistency: short (due to slight splitting)

Claims (6)

1. Aus Papier, Aluminium, Kunststoffolie oder Zusammensetzungen hiervon bestehendes, me­chanisch ablösbares Etikett zum Aufbringen auf Glas- und/oder Kunststoffflaschen bzw. zur Kennzeichnung handelsfähiger Gegenstände aller Art, wie Flaschenkästen oder dergleichen mehr, mit wenigstens einer zur Haftung am Gegen­stand aktivierbaren Substanz, die einen in das Etikettenmaterial einarbeitbaren und/oder auf dessen Rückseite auftragbaren, die mechanische Ablösung ermöglichenden ersten Stoff und einen auf seiner Rückseite aufgebrachten zweiten gegen­über dem Gegenstand Haftvermittlereigenschaften aufweisenden Stoff enthält, dadurch ge­kennzeichnet, daß der erste Stoff eine schwitzwasserfeste Trennschicht vorgibt, die mit einem Festkörperanteil von 20 bis 80 % und mit einer Verarbeitungsviskosität von 25 bis 40 sec. (gemessen im 3 mm Frickma-Durchlaufmeßbecher) auf bzw. in die Etikettenrückseite ganzflächig mit Ausnahme von rasterförmigen Sollklebstellen auf- bzw. einge­bracht ist und daß der Klebeigenschaften ver­mittelnde zweite Stoff in Form eines vorgebbaren Beleimungsmusters mit entlang der Randkanten des Etiketts zurückgesetzter Leimpalette derart aufgebracht ist, daß sich für das beschichtete Etikett Ablösungskräfte ergeben, die bei 8 N (acht Newton) beginnend, während des Abzugsvorganges bis hin zu ca. 2 bzw. 3 N abnehmen.1. Paper, aluminum, plastic film or a composition thereof, a mechanically removable label for application to glass and / or plastic bottles or for marking commercial objects of all kinds, such as bottle crates or the like, with at least one substance which can be activated to adhere to the object, which contains a first substance which can be worked into the label material and / or which can be applied to the rear side and which enables mechanical detachment, and a second substance which has been applied to its rear side and which has adhesive properties compared to the object, characterized in that the first substance specifies a water-resistant separation layer which is coated with a Solid content of 20 to 80% and with a processing viscosity of 25 to 40 sec. (Measured in a 3 mm Frickma flow measuring cup) on or in the back of the label over the entire surface with the exception of grid-shaped predetermined adhesive points and that the cl The second substance imparting properties is applied in the form of a predefinable gluing pattern with the glue pallet set back along the edge of the label in such a way that the coated label has release forces which begin at 8 N (eight Newtons) during the peeling process up to approx. 2 or Remove 3 N. 2. Etikett nach Anspruch 1 aus Papier gegeben­enfalls mit Aluminiumbedampfung, dadurch gekenn­zeichnet, daß bei einer Gesamtstärke zwischen 35 bis 100 µ die Penetration grösser als 8 sec. bei einem Cobb-Wert kleiner als 3 g/m² liegt, wobei die genannten Werte von der Rück- zur Vorder­seite des Etiketts gemessen sind, sowie Penetra­tionsgeschwindigkeiten größer5 sec von der Vorder­zur Rückseite gemessen.2. Label according to claim 1 made of paper, optionally with aluminum vapor deposition, characterized in that with a total thickness between 35 to 100 µ the penetration is greater than 8 sec. With a Cobb value less than 3 g / m², said values being from Back to front of the label are measured, and penetration speeds greater than 5 seconds from front to back are measured. 3. Etikett nach Anspruch 1, dadurch gekennzeichnet, daß als Aluminium eine Folie zwischen 6 bis 15 µ mit einem Gewicht größer 24 g/m² verwendet wird.3. Label according to claim 1, characterized in that a foil between 6 to 15 µ with a weight greater than 24 g / m² is used as aluminum. 4. Etikett nach Anspruch 1, dadurch gekennzeichnet, daß bei Verwendung einer Kunststoffolie diese aus Polypropylen besteht mit einer Dicke größer 24 µ und einem Flächengewicht von mehr als 25 g/m².4. Label according to claim 1, characterized in that when using a plastic film this consists of polypropylene with a thickness greater than 24 µ and a weight per unit area of more than 25 g / m². 5. Etikett nach wenigstens einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Beschich­tung mittels Tiefdruck, Flexodruck und/oder im Offsetverfahren aufgebracht sind.5. Label according to at least one of claims 1 to 4, characterized in that the coating is applied by means of gravure printing, flexographic printing and / or in the offset process. 6. Etikett nach einem oder mehreren der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Naßauftrags­menge des Beschichtungsmediums auf der Rückseite größer 15µ ist.6. Label according to one or more of claims 1 to 5, characterized in that the wet application amount of the coating medium on the back is greater than 15µ.
EP88116974A 1987-10-13 1988-10-13 Mechanically removable label Expired - Lifetime EP0312037B1 (en)

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DE3734640A DE3734640C2 (en) 1987-10-13 1987-10-13 Mechanically removable label

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EP0503112A1 (en) * 1991-03-13 1992-09-16 Töpfer Kulmbach GmbH Mechanically removable label for commercial articles of all kinds, like bottles, etc...
WO1997043744A1 (en) * 1996-05-10 1997-11-20 Nordenia Technologies Gmbh Labels and process for ecologically-sound labelling of plastic containers and removal of labels therefrom
US20090218307A1 (en) * 2005-04-06 2009-09-03 Davies David J Label for Removable Attachment to an Article
US9051495B2 (en) 2011-02-07 2015-06-09 Nulabel Technologies, Inc. Fluid activatable adhesives and fluids for activating same for use with liner-free labels
US9109144B2 (en) 2013-01-10 2015-08-18 Nulabel Technologies, Inc. Fluid activatable adhesives for glue-free, liner-free, labels for glass and plastic substrates and methods of use thereof
US9254936B2 (en) 2014-06-20 2016-02-09 Nulabel Technologies, Inc. Fluid activatable adhesive for glue-free, liner-free, labels for glass and plastic substrates and methods of use thereof
US9777196B2 (en) 2015-12-22 2017-10-03 Nulabel Technologies, Inc. Fluid activatable adhesives for glue-free, liner-free, labels for glass and plastic substrates and methods of use thereof
US9911367B2 (en) 2015-05-12 2018-03-06 Actega North America Technologies, Inc. Thin film adhesive labels and methods of making thereof

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DE102012113077A1 (en) * 2012-12-22 2014-06-26 Krones Ag DISCHARGE DEVICE FOR REMOVING LABELS, LABELS AND METHOD FOR PACKAGING A LABEL

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EP0159286A2 (en) * 1984-04-17 1985-10-23 Töpfer Kulmbach GmbH Label and procedure and device for fastening a label and procedure and device for taking off a label

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DE3112462A1 (en) * 1981-03-28 1982-10-07 Haendler & Natermann GmbH, 3510 Hann Münden Lye-resistant bottle-neck foil
EP0159286A2 (en) * 1984-04-17 1985-10-23 Töpfer Kulmbach GmbH Label and procedure and device for fastening a label and procedure and device for taking off a label

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0503112A1 (en) * 1991-03-13 1992-09-16 Töpfer Kulmbach GmbH Mechanically removable label for commercial articles of all kinds, like bottles, etc...
WO1997043744A1 (en) * 1996-05-10 1997-11-20 Nordenia Technologies Gmbh Labels and process for ecologically-sound labelling of plastic containers and removal of labels therefrom
US20090218307A1 (en) * 2005-04-06 2009-09-03 Davies David J Label for Removable Attachment to an Article
US8304073B2 (en) * 2005-04-06 2012-11-06 Spear Group Holdings Limited Label for removable attachment to an article
US9005742B2 (en) 2005-04-06 2015-04-14 Spear Group Holdings Limited Label for removable attachment to an article
US9051495B2 (en) 2011-02-07 2015-06-09 Nulabel Technologies, Inc. Fluid activatable adhesives and fluids for activating same for use with liner-free labels
US9109144B2 (en) 2013-01-10 2015-08-18 Nulabel Technologies, Inc. Fluid activatable adhesives for glue-free, liner-free, labels for glass and plastic substrates and methods of use thereof
US9508272B2 (en) 2013-01-10 2016-11-29 Nulabel Technologies, Inc. Fluid activatable adhesives for glue-free, liner-free labels for glass and plastic substrates and methods of use thereof
US9254936B2 (en) 2014-06-20 2016-02-09 Nulabel Technologies, Inc. Fluid activatable adhesive for glue-free, liner-free, labels for glass and plastic substrates and methods of use thereof
US9911367B2 (en) 2015-05-12 2018-03-06 Actega North America Technologies, Inc. Thin film adhesive labels and methods of making thereof
US10586472B2 (en) 2015-05-12 2020-03-10 Actega North America Technologies, Inc. Thin film adhesive labels and methods of making thereof
US9777196B2 (en) 2015-12-22 2017-10-03 Nulabel Technologies, Inc. Fluid activatable adhesives for glue-free, liner-free, labels for glass and plastic substrates and methods of use thereof

Also Published As

Publication number Publication date
EP0312037A3 (en) 1990-09-26
DE3734640A1 (en) 1989-04-27
EP0312037B1 (en) 1994-03-02
DE3734640C2 (en) 1994-06-01
DE3888073D1 (en) 1994-04-07
ES2050688T3 (en) 1994-06-01
ATE102376T1 (en) 1994-03-15

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