EP1050484B1 - Tear strip with security feature, production method and its use in packaging material - Google Patents
Tear strip with security feature, production method and its use in packaging material Download PDFInfo
- Publication number
- EP1050484B1 EP1050484B1 EP00109024A EP00109024A EP1050484B1 EP 1050484 B1 EP1050484 B1 EP 1050484B1 EP 00109024 A EP00109024 A EP 00109024A EP 00109024 A EP00109024 A EP 00109024A EP 1050484 B1 EP1050484 B1 EP 1050484B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tear
- strip
- backing film
- strip according
- microscript
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- 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
- G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
- G09F3/0292—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time tamper indicating labels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/66—Inserted or applied tearing-strings or like flexible elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2211/00—Anti-theft means
Definitions
- the present invention relates to tear strips and is concerned with tear strips for applying security features to consumer goods, food packaging and the like.
- holographic Elements used as a security feature.
- a disadvantage of holograms is in general, that the special effect in low light conditions of effect loses.
- the production of holograms makes a complicated, complex manufacturing process. Especially in the production of Tear strip must precede this process and can not in the existing production processes are integrated.
- the carrier film must be this primed and coated with an embossing lacquer. Subsequently, the Embossed holographic pattern.
- the next production step then has the Metallization be performed. Only then this material can be in the usual Production process for tear strips are fed. The manufacturing process becomes thus more expensive and more complex by several steps.
- the invention is therefore a tear strip with security feature a carrier foil, on the one side a sealing layer and on the other Side, if appropriate, a release layer is applied, characterized in that that the carrier film is printed on one side with a micro-font.
- the carrier film is preferably made of cell glass, polyvinyl chloride, vinyl chloride copolymer, Vinyl chloride terpolymer, polyester, polypropylene, polypropylene copolymer, Polypropylene terpolymer, polypropylene-polyethylene copolymer, polyamide, polystyrene, Polystyrene copolymer, polystyrene terpolymer, polycarbonate, polyketone, Polymethacrylate or polymethacrylate copolymer. Particularly preferably from monoaxial oriented polypropylene or polypropylene-polyethylene copolymer.
- the carrier film with one or more polymer films with paper, a metallized polymer film, a metal foil or a vacuum coated foil laminated.
- the sealing layer is preferably a layer of self-adhesive adhesives the basis of polyacrylates or natural or artificial resins.
- the optional release layer is preferably a UV-crosslinkable Silicone coating.
- Another object of the invention is a method for producing a tear strip with security feature, in which one has a carrier film with a micro-font printed on the printing a sealant layer and on the other side of the Carrier film optionally applies a release layer.
- printed tear strips are prepared so that in a Operation a carrier sheet printed on the printing ink and a sealing medium like e.g. Apply hot melt adhesive. If necessary, will be on the other Side of the carrier still has a release coating applied to a blocking to avoid.
- a security element in the tear strip too integrate.
- the carrier film may have a thickness between 10 and 100 microns and a width between 1 and have 100 mm.
- the thickness is between 10 and 40 microns and the Width between 1.5 and 10 mm, most preferably between 1 and 5mm.
- the sealing layer may be sealing media such as e.g. Polyethylene or around act so-called hot-melt coatings, the layer thickness between 1 and 20 microns and the sealing temperature is usually above 100 ° C.
- sealing media such as e.g. Polyethylene or around act so-called hot-melt coatings, the layer thickness between 1 and 20 microns and the sealing temperature is usually above 100 ° C.
- the film back with a Equipped with release coating.
- This is preferably a silicone coating, most preferably UV-crosslinkable silicone coatings.
- the printing of the carrier film can be done in one or more colors. It comes for this any suitable for film printing process into consideration.
- the Printing in typical packaging printing processes such as offset, screen, flexo, UV flexo or gravure. Especially in offset or gravure printing, especially in gravure printing.
- the micro-typefaces are fonts whose letter size is less than 0.7mm. Especially those whose size is less than 0.3 mm. Most preferably, sizes smaller than 0.26 mm.
- the fonts can be in running direction or transversely to the running direction are carried out in such a way that the Observer of the packaged goods is able to use the font if necessary under With the help of a font magnifying aid to read.
- the writing is carried out in the running direction, most preferably as the center line of the tear strip.
- the micro-typefaces can be in both positive and negative writing to be printed. Positive fonts are obtained by the lines of the letters and Digits are printed. For negative writings, however, the lines of Letters and numbers are not printed, but only the environment of Letters printed in numbers.
- Another embodiment has normal sized fonts, i. greater than 0.7 mm, which in turn are built up from micro-writing. At the exact Inspecting the "normal" font with a strong magnifying glass or a microscope then the micro-font becomes recognizable.
- the tear strip products of the invention protected against counterfeiting. It can both hidden properties
- the colors mentioned come to fruition only by professionals and using can be detected by technical aids as well obviously recognizable qualities that allow a layman to be original Check product.
- In the first case lies the meaning of the security element therein, in the occurrence of counterfeits their lack of originality judicially demonstrated.
- the preparation of a tear strip of the structure described may be the usual Machines happen.
- the application of the release layer is done with a Mehrwalzenönstechnik and subsequent drying or curing of Layer.
- the pressure on one side of the carrier film can with the known printing machines respectively.
- a printing unit is designed for printing the micro-font.
- the sealing medium is in-line or off-line in gravure printing or by means of slot dies or other suitable method then applied to the printing.
- Another object of the invention is packaging material, the inventive Tear strip contains such as in the packaging of cigarettes, Compact Discs or films used in food.
- the next step was followed by gravure printing on the opposite side of the silicone-coated side, the corona surface being previously adjusted to a value of> 38 mN / m 2 by corona treatment.
- a commercially available pressure sensitive hot melt adhesive based on SBS copolymers and condensation resins was applied to the printing ink.
- the order quantity was 10 g / m 2 .
- the thus-finished film was cut in the following steps to 2 mm in width and wound on coils of 6000 linear meters.
- a film of cellulosic glass having a thickness of 30 ⁇ m was gravure printed and to the ink, also in intaglio printing, a hot-melt adhesive was applied whose composition consists of 25-45% ethylvinylacetate copolymer, 20-35% cyclohexanone hydrocarbon resin, 15- 25% saturated hydrocarbon resin, 5-10% ⁇ -methylstyrene hydrocarbon resins, and less than 10% oligomeric polyurethanes.
- the order quantity was 4 g / m 2 .
- the thus-finished film was cut in the following steps to 2 mm in width and wound on coils of 6000 linear meters.
- Example 2 The procedure was as in Example 1. As a pressure-sensitive adhesive, however, a commercially available acrylate dispersion was used whose solids content was about 53% and the flow time in the DIN 4 cup was 60 seconds. The coating weight was 3 g / m 2 , the aqueous dispersion was applied by gravure.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Wrappers (AREA)
- Printing Methods (AREA)
- Basic Packing Technique (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft Aufreißstreifen und befaßt sich mit Aufreißstreifen zur Aufbringung von Sicherheitsmerkmalen auf Konsumgütern, Lebensmittelverpackungen und ähnlichem.The present invention relates to tear strips and is concerned with tear strips for applying security features to consumer goods, food packaging and the like.
Die Herstellung und der Verkauf von gefälschten Gütern stellt ein ständig wachsendes Problem dar. Solche gefälschten Produkte werden häufig in täuschend ähnlicher Art wie das Originalgut verpackt, um so potentielle Käufer zu täuschen und sie glauben zu machen, Originale zu erstehen. Dies wirft verschiedene Probleme auf. Zum einen entgeht dem Hersteller der Originalprodukte das Geschäft. Zum anderen wird der Inhaber der Rechte an dem Produkt um sein geistiges Eigentum betrogen. In vielen Fällen noch wichtiger, stellt sich die Tatsache dar, daß die Nachahmungen oft von minderer Qualität sind und so dem Hersteller einen nicht unerheblichen Imageverlust zufügen. Des weiteren kann die mindere Qualität zu Ansprüchen aus der Produkthaftung führen, so daß es dem Hersteller des Originals obliegt nachzuweisen, daß das den Schaden verursachende Gut nicht von ihm stammt. Aus diesen Gründen heraus ist es wünschenswert, Originalprodukte so zu kennzeichnen, daß es dem Verbraucher möglich wird, die Originalität zu erkennen und daß es im Schadensfall möglich ist, die Originaltät nachzuweisen.The manufacture and sale of counterfeit goods is a growing business Problem. Such counterfeit products often become deceptively similar Sort of packaged as the original good, so as to deceive potential buyers and believe them to make originals. This raises various problems. To the One escapes the business of the manufacturer of the original products. The other is the owner of the rights to the product cheated on his intellectual property. In many More importantly, the fact that the imitations are often are of inferior quality and so the manufacturer a not inconsiderable loss of image inflict. Furthermore, the inferior quality to claims from product liability so that it is up to the manufacturer of the original to prove that the damage causing good does not come from him. For these reasons It is desirable to label original products in such a way that they are available to the consumer it becomes possible to recognize the originality and that in case of damage it is possible to prove the original.
Eine bekannte Methode der Sicherung vor Fälschungen ist das Anwenden von Mikroschriften. Dieses Sicherheitsmerkmal findet z. B. auf Banknoten Anwendung. Auch in Ausweisen kann man dieses Sicherheitsmerkmal antreffen.One well-known method of securing against counterfeiting is to apply Microscripts. This security feature finds z. B. on banknotes application. You can also find this security feature in ID cards.
Häufig werden Verpackungen aus Kunststofffolien, Papier, Pappe oder Verbunden dieser Packstoffe mit Aufreißstreifen versehen. Die Befestigung der Streifen an der Verpackung erfolgt hierbei mittels einer auf dem Streifen befindlichen Selbstklebemasse oder einer durch Hitze zu aktivierenden Klebemasse. Die Patente US 4887714 und US 4844962 beschreiben solche Aufreißstreifen.Often, packaging made of plastic films, paper, cardboard or Connected This packaging material provided with tear strips. The attachment of the strips to the Packaging is carried out by means of a self-adhesive on the strip or an adhesive to be activated by heat. The patents US 4887714 and US 4844962 describe such tear strips.
Die Einbringung eines Sicherheitsmerkmals in eine Verpackung in Form eines Klebestreifens wird in der EP-A-0 585 076 beschrieben. Hier werden holographische Elemente als Sicherheitsmerkmal verwendet. Ein Nachteil von Hologrammen ist generell, daß der spezielle Effekt bei schlechten Lichtverhältnissen an Wirkung verliert. Außerdem stellt die Herstellung von Hologrammen einen komplizierten, aufwendigen Herstellungsprozeß dar. Insbesondere bei der Herstellung von Aufreißstreifen muß dieser Prozeß vorgeschaltet werden und kann nicht in die bestehenden Fertigungsabläufe integriert werden. Die Trägerfolie muß hierfür geprimert und mit einem Prägelack beschichtet werden. Anschließend wird das holographische Muster eingeprägt. Als nächster Fertigungssschritt muß dann die Metallisierung durchgeführt werden. Erst dieses Material kann dann in den üblichen Fertigungsablauf für Aufreißstreifen eingespeist werden. Der Herstellprozeß wird damit teurer und um mehrere Schritte komplexer.The introduction of a security feature in a package in the form of an adhesive strip is described in EP-A-0 585 076. Here are holographic Elements used as a security feature. A disadvantage of holograms is in general, that the special effect in low light conditions of effect loses. In addition, the production of holograms makes a complicated, complex manufacturing process. Especially in the production of Tear strip must precede this process and can not in the existing production processes are integrated. The carrier film must be this primed and coated with an embossing lacquer. Subsequently, the Embossed holographic pattern. The next production step then has the Metallization be performed. Only then this material can be in the usual Production process for tear strips are fed. The manufacturing process becomes thus more expensive and more complex by several steps.
Es stellte sich daher die Aufgabe, einen Aufreißstreifen mit Sicherheitsmerkmal zur Verfügung zu stellen, wobei die Einbringung des Sicherheitsmerkmals keine neuen, zusätzlichen Fertigungsschritt im Herstellverfahren des Aufreißstreifens notwendig macht.It was therefore the task of a tear strip with security feature for The introduction of the security feature does not provide new, additional manufacturing step in the manufacturing process of the tear strip necessary power.
Gegenstand der Erfindung ist daher ein Aufreißstreifen mit Sicherheitsmerkmal aus einer Trägerfolie, auf die auf der einen Seite eine Siegelschicht und auf der anderen Seite gegebenenfalls eine Release-Schicht aufgetragen ist, dadurch gekennzeichnet, daß die Trägerfolie auf einer Seite mit einer Mikroschrift bedruckt ist.The invention is therefore a tear strip with security feature a carrier foil, on the one side a sealing layer and on the other Side, if appropriate, a release layer is applied, characterized in that that the carrier film is printed on one side with a micro-font.
Bevorzugt ist die Trägerfolie aus Zellglas, Polyvinylchlorid, Vinylchlorid-Copolymer, Vinylchlorid-Terpolymer, Polyester, Polypropylen, Polypropylen-Copolymer, Polypropylen-Terpolymer, Polypropylen-Polyethylen-Copolymer, Polyamid, Polystyrol, Polystyrol-Copolymer, Polystyrol-Terpolymer, Polycarbonat, Polyketon, Polymethacrylat oder Polymethacrylat-Copolymer. Besonders bevorzugt aus monoaxial orientiertem Polypropylen oder Polypropylen-Polyethylen-Copolymer. In einer besonderen Ausführung kann die Trägerfolie mit einer oder mehreren Polymerfolien mit Papier, einer metallisierten Polymerfolie, einer Metallfolie oder einer im Vakuum bedampften Folie kaschiert sein.The carrier film is preferably made of cell glass, polyvinyl chloride, vinyl chloride copolymer, Vinyl chloride terpolymer, polyester, polypropylene, polypropylene copolymer, Polypropylene terpolymer, polypropylene-polyethylene copolymer, polyamide, polystyrene, Polystyrene copolymer, polystyrene terpolymer, polycarbonate, polyketone, Polymethacrylate or polymethacrylate copolymer. Particularly preferably from monoaxial oriented polypropylene or polypropylene-polyethylene copolymer. In a special embodiment, the carrier film with one or more polymer films with paper, a metallized polymer film, a metal foil or a vacuum coated foil laminated.
Die Siegelschicht ist bevorzugt eine Schicht aus selbstklebenden Haftklebstoffen auf der Basis von Polyacrylaten oder natürlichen oder künstlichen Harzen.The sealing layer is preferably a layer of self-adhesive adhesives the basis of polyacrylates or natural or artificial resins.
Die gegebenenfalls vorhandene Release-Schicht ist bevorzugt eine UV-vernetzbare Silikonbeschichtung.The optional release layer is preferably a UV-crosslinkable Silicone coating.
Ein weiterer Gegenstand der Erfindung ist ein Verfahren zur Herstellung eines Aufreißstreifens mit Sicherheitsmerkmal, bei dem man eine Trägerfolie mit einer Mikroschrift bedruckt, auf die Bedruckung eine Siegelschicht und auf die andere Seite der Trägerfolie gegebenenfalls eine Release-Schicht aufbringt.Another object of the invention is a method for producing a tear strip with security feature, in which one has a carrier film with a micro-font printed on the printing a sealant layer and on the other side of the Carrier film optionally applies a release layer.
Erfindungsgemäß werden bedruckte Aufreißstreifen so hergestellt, daß man in einem Arbeitsgang eine Trägerfolie bedruckt und auf die Druckfarbe ein Siegelmedium wie z.B. Heißschmelzhaftklebstoff aufträgt. Gegebenenfalls wird auch auf der anderen Seite des Trägers noch eine Release-Beschichtung aufgebracht, um ein Verblocken zu vermeiden. Durch die Verwendung von geeigneten Druckformen gelingt es nun, innerhalb dieser Fertigungsweise, ein Sicherheitselement in den Aufreißstreifen zu integrieren.According to the invention printed tear strips are prepared so that in a Operation a carrier sheet printed on the printing ink and a sealing medium like e.g. Apply hot melt adhesive. If necessary, will be on the other Side of the carrier still has a release coating applied to a blocking to avoid. By using suitable printing forms, it is now possible within this manufacturing process, a security element in the tear strip too integrate.
Im Falle der Ausführung als Konterdruck wird dieser so durchgeführt, daß man bei der fertiggestellten Verpackung durch die Verpackungsfolie, den Klebstoff und schließlich den Trägerfilm hindurch die aufgedruckte Information lesen kann. In the case of execution as a counter-pressure, this is carried out so that at the finished packaging through the packaging film, the adhesive and Finally, the carrier film through the printed information can read.
Die Trägerfolie kann eine Dicke zwischen 10 und 100 µm und eine Breite zwischen 1 und 100 mm haben. Bevorzugt liegt die Dicke zwischen 10 und 40 µm und die Breite zwischen 1,5 und 10 mm, ganz besonders bevorzugt zwischen 1 und 5mm.The carrier film may have a thickness between 10 and 100 microns and a width between 1 and have 100 mm. Preferably, the thickness is between 10 and 40 microns and the Width between 1.5 and 10 mm, most preferably between 1 and 5mm.
Bei der Siegelschicht kann es sich um Siegelmedien wie z.B. Polyethylen oder um sogenannte Hot-melt Beschichtungen handeln, wobei die Schichtdicke zwischen 1 und 20 µm beträgt und die Siegeltemperatur üblicherweise über 100°C liegt.The sealing layer may be sealing media such as e.g. Polyethylene or around act so-called hot-melt coatings, the layer thickness between 1 and 20 microns and the sealing temperature is usually above 100 ° C.
Bevorzugt kommen als Siegelmedium kalt verklebbare, selbstklebende Haftklebstoffe auf der Basis von Polyacrylaten oder ganz speziell bevorzugt auf der Basis von natürlichen oder künstlichen Harzen zum Einsatz.Preferably come as sealing medium cold-bondable, self-adhesive pressure-sensitive adhesives based on polyacrylates or very particularly preferably on the basis of natural or artificial resins are used.
Im Falle von selbstklebenden Haftklebstoffen wird die Folienrückseite mit einer Release-Beschichtung ausgerüstet. Bevorzugt handelt es sich hierbei um eine Silikonbeschichtung, ganz besonders bevorzugt um UV-vernetzbare Silikonbeschichtungen.In the case of self-adhesive adhesives, the film back with a Equipped with release coating. This is preferably a silicone coating, most preferably UV-crosslinkable silicone coatings.
Die Bedruckung der Trägerfolie kann ein- oder mehrfarbig erfolgen. Es kommt hierfür jedes für Folien einsetzbare Druckverfahren in Betracht. Insbesondere erfolgt der Druck in typischen Verpackungsdruckverfahren wie Offset-, Sieb-, Flexo-, UV-Flexo oder Tiefdruck. Insbesondere im Offset- oder Tiefdruck, ganz besonders im Tiefdruck.The printing of the carrier film can be done in one or more colors. It comes for this any suitable for film printing process into consideration. In particular, the Printing in typical packaging printing processes such as offset, screen, flexo, UV flexo or gravure. Especially in offset or gravure printing, especially in gravure printing.
Bei den Mikroschriften handelt es sich um Schriften, deren Buchstaben-Größe weniger als 0,7mm beträgt. Besonders um solche, deren Größe kleiner als 0,3 mm ist. Ganz besonders bevorzugt Größen kleiner 0,26 mm. Die Schriften können in Laufrichtung oder quer zur Laufrichtung ausgeführt werden in der Weise, daß der Betrachter des verpackten Gutes in der Lage ist, die Schrift gegebenenfalls unter zur Hilfenahme eines die Schrift vergrößernden Hilfsmittels, zu lesen. Vorzugsweise wird die Schrift in Laufrichtung ausgeführt, ganz besonders bevorzugt als Mittellinie des Aufreißstreifens. The micro-typefaces are fonts whose letter size is less than 0.7mm. Especially those whose size is less than 0.3 mm. Most preferably, sizes smaller than 0.26 mm. The fonts can be in running direction or transversely to the running direction are carried out in such a way that the Observer of the packaged goods is able to use the font if necessary under With the help of a font magnifying aid to read. Preferably the writing is carried out in the running direction, most preferably as the center line of the tear strip.
Die Mikroschriften können sowohl in positiver Schrift als auch in negativer Schrift gedruckt werden. Positive Schriften erhält man indem die Linien der Buchstaben und Ziffern ausgedruckt werden. Bei negativen Schriften dagegen werden die Linien der Buchstaben und Ziffern nicht ausgedruckt, vielmehr wird nur die Umgebung der Buchstaben in Ziffern bedruckt.The micro-typefaces can be in both positive and negative writing to be printed. Positive fonts are obtained by the lines of the letters and Digits are printed. For negative writings, however, the lines of Letters and numbers are not printed, but only the environment of Letters printed in numbers.
Eine andere Ausführungsform weist Schriften in normaler Größe, d.h. größer als 0,7 mm, auf, welche wiederum aus Mikroschriften aufgebaut sind. Bei der genauen Inspizierung der "normalen" Schrift mit einer starken Lupe oder einem Mikroskop wird dann die Mikroschrift erkennbar.Another embodiment has normal sized fonts, i. greater than 0.7 mm, which in turn are built up from micro-writing. At the exact Inspecting the "normal" font with a strong magnifying glass or a microscope then the micro-font becomes recognizable.
In vorteilhafter Weise können durch die erfindungsgemäßen Aufreißstreifen Produkte vor Fälschungen geschützt werden. Dabei können sowohl verdeckte Eigenschaften der genannten Farben zum Tragen kommen, die nur von Fachleuten und unter Verwendung von technischen Hilfsmitteln erkannt werden können als auch offensichtlich erkennbare Eigenschaften, die es einem Laien ermöglichen, die Originalität eines Produktes zu überprüfen. Im ersten Fall liegt der Sinn des Sicherheitselementes darin, beim Auftreten von Fälschungen deren mangelnde Originalität gerichtlich nachzuweisen. Im letzten Fall dagegen soll dem Verbraucher, einem Zwischenhändler oder einer Behörde wie Zoll oder Polizei ermöglicht werden, mit einfachen Mitteln die Originalität eines Produktes zu erkennen.Advantageously, by the tear strip products of the invention protected against counterfeiting. It can both hidden properties The colors mentioned come to fruition only by professionals and using can be detected by technical aids as well obviously recognizable qualities that allow a layman to be original Check product. In the first case lies the meaning of the security element therein, in the occurrence of counterfeits their lack of originality judicially demonstrated. In the latter case, on the other hand, the consumer, an intermediary or an authority such as customs or police, with simple Means to recognize the originality of a product.
Die Herstellung eines Aufreißstreifens des beschriebenen Aufbaus kann auf den üblichen Maschinen geschehen. Das Auftragen der Release-Schicht erfolgt mit einem Mehrwalzenauftragswerk und anschließender Trocknung bzw. Aushärtung der Schicht.The preparation of a tear strip of the structure described may be the usual Machines happen. The application of the release layer is done with a Mehrwalzenauftragswerk and subsequent drying or curing of Layer.
Der Druck auf der einen Seite der Trägerfolie kann mit den bekannten Druckmaschinen erfolgen. Ein Druckwerk wird dabei für das Drucken der Mikroschrift ausgelegt. The pressure on one side of the carrier film can with the known printing machines respectively. A printing unit is designed for printing the micro-font.
Das Siegelmedium wird in- oder off-line im Tiefdruck oder mittels Breitschlitzdüsen oder sonstiger geeigneter Verfahren anschließend auf die Bedruckung aufgetragen.The sealing medium is in-line or off-line in gravure printing or by means of slot dies or other suitable method then applied to the printing.
Durch das erfindungsgemäße Einbringen eines Sicherheitselementes mittels Druckverfahren ohne zusätzliche Fertigungsschritte gelingt es, in besonders einfacher und wirtschaftlicher Weise, Aufreißstreifen mit einem Sicherheitselement auszustatten.By introducing a security element according to the invention by means of printing processes Without additional manufacturing steps, it succeeds in particularly simple and economical way to equip tear strips with a security element.
Ein weiterer Gegenstand der Erfindung ist Verpackungsmaterial, das erfindungsgemäße Aufreißstreifen enthält wie z.B. bei der Verpackung von Zigaretten, Compact Discs oder bei Lebensmitteln eingesetzte Folien. Another object of the invention is packaging material, the inventive Tear strip contains such as in the packaging of cigarettes, Compact Discs or films used in food.
Eine Folie aus monoaxial gerecktem Polypropylen, mit einer Dicke von 38 µm, wobei die Höchstzugkraft größer als 160 N, die Reißdehnung >25 %, die Zugkraft bei 10 % Dehnung >32N, die Weiterreißkraft >6N, der Schlagzug in Längsrichtung >1250 kJ/m2, der Schlagzug in Querrichtung >100 kJ/m2, der Schrumpf (bei 125°C und 10 Minuten) kleiner 6 % und das Vorbehandlungsniveau größer 38 mN/m beträgt, wurde mit einem Gemisch aus Silikonen beschichtet, Wobei es sich um lösungsmittelfreie Silikonacrylate mit einem polymeren Photoinitiator handelt, die durch UV-Strahlung radikalisch unter einer Schutzgasatmosphäre vernetzt wurden und deren Mischungsverhältnis die Trennwirkung der gehärteten Silikonacrylatschicht bestimmt.A film of monoaxially stretched polypropylene, with a thickness of 38 microns, the maximum tensile force greater than 160 N, the elongation at break> 25%, the tensile force at 10% elongation> 32N, the tear propagation force> 6N, the longitudinal tensile impact> 1250 kJ / m 2 , the traction in the transverse direction> 100 kJ / m 2 , the shrinkage (at 125 ° C and 10 minutes) is less than 6% and the pretreatment level is greater than 38 mN / m, was coated with a mixture of silicones solvent-free silicone acrylates with a polymeric photoinitiator, which were crosslinked by UV radiation radically under a protective gas atmosphere and whose mixing ratio determines the release effect of the cured silicone acrylate.
Als nächster Schritt folgte die Bedruckung der silikonbeschichteten Seite gegenüberliegenden Seite im Tiefdruck, wobei durch eine Coronabehandlung die Oberflächenspannung zuvor auf einen Wert >38 mN/m2 eingestellt wird. Auf die Druckfarbe wurde ein kommerziell erhältlicher Haftschmelzklebstoff auf Basis von SBS-Copolymeren und Kondensationsharzen aufgebracht. Die Auftragsmenge betrug 10 g/m2. Die so ausgerüstete Folie wurde in den Folgeschritten auf 2 mm Breite geschnitten und auf Spulen von 6000 lfm verspult.The next step was followed by gravure printing on the opposite side of the silicone-coated side, the corona surface being previously adjusted to a value of> 38 mN / m 2 by corona treatment. A commercially available pressure sensitive hot melt adhesive based on SBS copolymers and condensation resins was applied to the printing ink. The order quantity was 10 g / m 2 . The thus-finished film was cut in the following steps to 2 mm in width and wound on coils of 6000 linear meters.
Eine Folie aus Zellglas mit einer Dicke von 30 µm wurde im Tiefdruck bedruckt und auf die Farbe wurde, ebenfalls im Tiefdruck, ein Hot-melt Klebstoff aufgetragen, dessen Zusammensetzung aus 25-45% Ethylvinylacetatcopolymer, 20-35% Cyclohexanon-Kohlenwasserstoffharz, 15-25% gesättigtes Kohlenwasserstoffharz, 5-10% α-Methylstyrolkohlenwasserstoffharze und weniger als 10% oligomere Polyurethane bestand. Die Auftragsmenge betrug 4 g/m2. Die so ausgerüstete Folie wurde in den Folgeschritten auf 2 mm Breite geschnitten und auf Spulen von 6000 lfm verspult.A film of cellulosic glass having a thickness of 30 μm was gravure printed and to the ink, also in intaglio printing, a hot-melt adhesive was applied whose composition consists of 25-45% ethylvinylacetate copolymer, 20-35% cyclohexanone hydrocarbon resin, 15- 25% saturated hydrocarbon resin, 5-10% α-methylstyrene hydrocarbon resins, and less than 10% oligomeric polyurethanes. The order quantity was 4 g / m 2 . The thus-finished film was cut in the following steps to 2 mm in width and wound on coils of 6000 linear meters.
Es wurde wie in Beispiel 1 vorgegangen. Als Haftklebstoff wurde jedoch eine kommerziell erhältliche Acrylatdispersion eingesetzt, dessen Festkörpergehalt bei ca. 53% lag und die Auslaufzeit im DIN 4-Becher 60 Sekunden betrug. Das Auftragsgewicht betrug 3 g/m2, die wässrige Dispersion wurde im Tiefdruck aufgetragen.The procedure was as in Example 1. As a pressure-sensitive adhesive, however, a commercially available acrylate dispersion was used whose solids content was about 53% and the flow time in the DIN 4 cup was 60 seconds. The coating weight was 3 g / m 2 , the aqueous dispersion was applied by gravure.
Claims (14)
- Tear-off strip with security feature composed of a thermoplastic, oriented backing film, to one side of which a sealable layer has been applied and to the other side of which, where appropriate, a release layer has been applied, characterized in that one side of the backing film has been printed with a microscript.
- Tear-off strip according to Claim 1, characterized in that the microscript is printed in the form of positive or negative script.
- Tear-off strip according to Claim 1 or 2, characterized in that characters and areas are composed of microscript.
- Tear-off strip according to any of Claims 1 to 3, characterized in that the backing film is composed of cellophane, polyvinyl chloride, vinyl chloride copolymer, vinyl chloride terpolymer, polyester, polypropylene, polypropylene copolymer, polypropylene terpolymer, polypropylene-polyethylene copolymer, polyamide, polystyrene, polystyrene copolymer, polystyrene terpolymer, polycarbonate, polyketone, polymethacrylate or polymethacrylate copolymer.
- Tear-off strip according to Claim 4, characterized in that the backing film is composed of mono- or biaxially oriented polymeric materials.
- Tear-off strip according to Claim 4, characterized in that the backing film is composed of monoaxially oriented polypropylene or propylene-polyethylene copolymer.
- Tear-off strip according to any of Claims 1 to 6, characterized in that the backing film has been laminated to one or more polymer films, to paper, to metallized polymer films, to metal foils, or to films having a vacuum-deposited coating.
- Tear-off strip according to any of Claims 1 to 7, characterized in that the sealable layer is a layer composed of self-adhesive pressure-sensitive adhesives based on polyacrylates or on naturally occurring or synthetic resins.
- Tear-off strip according to any of Claims 1 to 8, characterized in that a release layer composed of a UV-crosslinkable silicone coating has been applied to the backing film.
- Tear-off strip according to any of Claims 1 to 9, characterized in that the height of the letters in the microscript is smaller than 0.7 mm.
- Process for production of a tear-off strip with security feature, characterized in that a backing film is printed with a microscript, and a sealable layer is applied to the print, and, if appropriate, a release layer is applied to the other side of the backing film.
- Process according to Claim 11, characterized in that the microscript is applied by the intaglio printing process.
- Packaging material comprising a tear-off strip with security feature according to any of Claims 1 to 10.
- Use of a tear-off strip with security feature according to any of Claims 1 to 10 for production of a packaging film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK00109024T DK1050484T3 (en) | 1999-05-04 | 2000-04-27 | Demolition strip with safety features, a method of manufacture thereof and its use in packaging material |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19920359 | 1999-05-04 | ||
| DE19920359A DE19920359A1 (en) | 1999-05-04 | 1999-05-04 | Tear strips with security feature, a process for its production and its use in packaging material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1050484A1 EP1050484A1 (en) | 2000-11-08 |
| EP1050484B1 true EP1050484B1 (en) | 2005-04-27 |
Family
ID=7906850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00109024A Expired - Lifetime EP1050484B1 (en) | 1999-05-04 | 2000-04-27 | Tear strip with security feature, production method and its use in packaging material |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1050484B1 (en) |
| CN (1) | CN1273200A (en) |
| AT (1) | ATE294116T1 (en) |
| DE (2) | DE19920359A1 (en) |
| DK (1) | DK1050484T3 (en) |
| ES (1) | ES2239960T3 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10022493A1 (en) * | 2000-05-09 | 2001-11-15 | Wolff Walsrode Ag | Sealable composite film with a security feature a process for its manufacture and its use as packaging material |
| DE102014103873B4 (en) * | 2014-03-20 | 2015-11-19 | Konrad Hornschuch Ag | Method for producing a multilayer film web and its use as a decorative film |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE912095C (en) * | 1948-12-28 | 1949-05-24 | Lucien Serre | Cliché and method for the production of securities or similar documents, the imitation of which is generally recognizable without special aids |
| GB1095286A (en) * | 1963-07-08 | 1967-12-13 | Portals Ltd | Security device for use in security papers |
| EP0121371B2 (en) * | 1983-03-31 | 1994-06-01 | Payne Packaging Limited | Improvements in or relating to tapes |
| US4836378A (en) * | 1987-11-18 | 1989-06-06 | Philip Morris, Incorporated | Package having magnetically coded tear tape or sealing strip |
| US4887714A (en) | 1988-01-11 | 1989-12-19 | Kt Technologies Inc. | Pre-packaged pressure sensitive tear tape |
| GB9218216D0 (en) | 1992-08-27 | 1992-10-14 | Payne P P Ltd | Improvements in or relating to tapes |
| GB2309685B (en) * | 1996-01-31 | 1999-10-27 | Portals | Security packaging |
-
1999
- 1999-05-04 DE DE19920359A patent/DE19920359A1/en not_active Withdrawn
-
2000
- 2000-04-27 AT AT00109024T patent/ATE294116T1/en not_active IP Right Cessation
- 2000-04-27 DK DK00109024T patent/DK1050484T3/en active
- 2000-04-27 EP EP00109024A patent/EP1050484B1/en not_active Expired - Lifetime
- 2000-04-27 DE DE50010136T patent/DE50010136D1/en not_active Expired - Fee Related
- 2000-04-27 ES ES00109024T patent/ES2239960T3/en not_active Expired - Lifetime
- 2000-05-04 CN CN00118169.6A patent/CN1273200A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN1273200A (en) | 2000-11-15 |
| ES2239960T3 (en) | 2005-10-16 |
| DE19920359A1 (en) | 2000-11-09 |
| DK1050484T3 (en) | 2005-08-08 |
| ATE294116T1 (en) | 2005-05-15 |
| DE50010136D1 (en) | 2005-06-02 |
| EP1050484A1 (en) | 2000-11-08 |
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