EP0289863A1 - Adhesive tape for use as a resealable closure - Google Patents

Adhesive tape for use as a resealable closure Download PDF

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Publication number
EP0289863A1
EP0289863A1 EP88106285A EP88106285A EP0289863A1 EP 0289863 A1 EP0289863 A1 EP 0289863A1 EP 88106285 A EP88106285 A EP 88106285A EP 88106285 A EP88106285 A EP 88106285A EP 0289863 A1 EP0289863 A1 EP 0289863A1
Authority
EP
European Patent Office
Prior art keywords
adhesive tape
adhesive
tear
closure
tubular bag
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
EP88106285A
Other languages
German (de)
French (fr)
Other versions
EP0289863B1 (en
Inventor
Rolf Lammert
Cort Herager
Friedrich Rambow
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.)
Beiersdorf AG
Original Assignee
Beiersdorf AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beiersdorf AG filed Critical Beiersdorf AG
Priority to AT88106285T priority Critical patent/ATE67733T1/en
Publication of EP0289863A1 publication Critical patent/EP0289863A1/en
Application granted granted Critical
Publication of EP0289863B1 publication Critical patent/EP0289863B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/18—End- or aperture-closing arrangements or devices using adhesive applied to integral parts, e.g. to flaps
    • B65D33/20—End- or aperture-closing arrangements or devices using adhesive applied to integral parts, e.g. to flaps using pressure-sensitive adhesive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S383/00—Flexible bags
    • Y10S383/908—Material having specified grain direction or molecular orientation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/15—Sheet, web, or layer weakened to permit separation through thickness
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24777—Edge feature
    • Y10T428/24793—Comprising discontinuous or differential impregnation or bond
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer

Definitions

  • the invention relates to an adhesive tape for the reclosable closure of a tubular bag or the like, as well as its use as a reclosable original closure and also tubular bags or the like which are equipped with such a closure.
  • the invention relates to an adhesive tape for a closure, which on the one hand can be repeatedly opened and closed again, but which on the other hand shows at first glance in the manner of an original closure whether this closure has already been opened or not.
  • the object of the invention was to remedy this, in particular to provide an adhesive tape for the reclosable closure of a tubular bag or the like, which at the same time unambiguously indicates whether the closure has already been opened.
  • the invention relates to an adhesive tape for the reclosable closure of a tubular bag or the like made of a carrier partially coated with an adhesive with a handle running laterally in the longitudinal direction of the adhesive tape, which is characterized in that the carrier adjoins the handle in a tear-open area continues, which can be torn open in the longitudinal direction of the adhesive tape in the manner of an original closure, and continues adjacent to it in a further adhesive area coated with adhesive.
  • both an original closure and a reclosable closure for tubular bags and the like can be produced in a simple manner, which at first glance and for the layperson can be seen whether the closure has already been opened or not.
  • the carrier of the adhesive tape according to the invention preferably consists of a plastic film, which in turn can be transparent, in particular for transparent tubular bags, and thus does not impair the appearance of the packaging.
  • Instructions are advantageously printed on the handle running in the longitudinal direction of the adhesive tape, as to how the closure is to be handled, for example in which direction it is to be pulled and then closed again.
  • the adhesive used is advantageously a self-adhesive, possibly also transparent. With a suitable design, however, hot melt type adhesives or the like can also be used.
  • the beginning is advantageously designed as a handle, for example by tearing part of the tear-open area and pre-bent, or by gluing a small piece of adhesive tape onto the beginning, preferably colored in a striking color, or else by marking the beginning strong varnish or the like is printed. Instructions for use can also be printed in the tear-open area, for example in which direction to pull.
  • the tear-open area is advantageously designed such that a tear strip is underlaid in the longitudinal direction of the adhesive tape, with the aid of which the original closure is destroyed when the tear is opened. It can be in Tear-open area but also a perforation or slots running in the longitudinal direction of the adhesive tape, along which the tear is then carried out.
  • the carrier of the adhesive tape itself can also be designed to be particularly suitable for tearing in the tear-open area by using a carrier which is strongly stretched in the longitudinal direction of the adhesive tape, preferably a carrier made of predominantly monoaxially stretched polypropylene.
  • the adhesive tape 1 according to the invention shown in cross section in FIG. 1 consists of a carrier 2 made of monoaxially stretched polypropylene, stretched in the direction of the adhesive tape.
  • the carrier 2 is partially coated with a self-adhesive 5a and 5b such that a grip 3 and a tear-open area 4 remain free of adhesive.
  • the tear-open area 4 is designed to tear open from the carrier 2 by a series of longitudinal slots.
  • FIG. 2 corresponds to the above description, but has a small piece of adhesive tape 8, which serves as a handle, in the tear-open area at the beginning and on the upper side thereof.
  • a tear strip 9 is arranged underneath the tear-open area 4, which enables the carrier 2 to be torn open securely without this carrier 2 according to this embodiment needing to be perforated or slotted in its tear-open area 4.
  • FIGS. 3-5 show the different stages of an adhesive tape according to the invention, FIG. 3 in the stage of the original closure and glued to a tubular bag 11 with a longitudinal row of weak points 10, here formed as a longitudinal row of small slits.
  • the carrier 2 By pulling the tear-open area 4 in the direction of arrow A, the carrier 2 is separated in such a way that the partially opened shape shown in FIG. 4 remains.
  • the handle 3 is now gripped and pulled in the direction of arrow B.
  • the adhesive 5a lifts off from the tubular bag 11 and exposes the longitudinal row of weak points 10 that was previously hidden by the adhesive 5a. These continue to open in the direction of arrow B, the contents of the bag are accessible and open.
  • FIG. C In the direction of arrow C, FIG.
  • FIG. 6 shows schematically how an adhesive tape according to the invention, applied as a closure on a tubular bag with a longitudinal row of weak points 10 and equipped with a handle at the beginning of the tear-open area 4, can be opened by pulling in the direction of the arrows A and then B.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Package Closures (AREA)
  • Laminated Bodies (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Package Frames And Binding Bands (AREA)

Abstract

The adhesive tape for use as a resealable closure of a tubular bag or the like consists of a backing, which is partially coated with an adhesive, with a lateral gripping part extending in the longitudinal direction of the adhesive tape. The backing (2) adjacent to the gripping part (3) continues into a tear-off region (4) which can be torn off in the manner of an original closure in the longitudinal direction of the adhesive tape (1) and, adjacent thereto, continues into a further adhesive region (6) coated with adhesive (5b). <IMAGE>

Description

Die Erfindung betrifft ein Klebeband für den wiederverschließbaren Verschluß eines Schlauchbeutels oder dergleichen, sowie dessen Verwendung als wiederverschließbarer Original-Verschluß und auch Schlauchbeutel oder dergleichen, die mit einem derartigen Verschluß ausgerüstet sind. Insbesondere betrifft die Erfindung ein Klebeband für einen Verschluß, der einerseits wiederholt geöffnet und wieder verschlossen werden kann, der andererseits aber nach Art eines Original-Verschlusses auf den ersten Blick zu erkennen gibt, ob dieser Verschluß bereits einmal geöffnet wurde oder nicht.The invention relates to an adhesive tape for the reclosable closure of a tubular bag or the like, as well as its use as a reclosable original closure and also tubular bags or the like which are equipped with such a closure. In particular, the invention relates to an adhesive tape for a closure, which on the one hand can be repeatedly opened and closed again, but which on the other hand shows at first glance in the manner of an original closure whether this closure has already been opened or not.

Es sind im Stand der Technik verschiedenartige wiederverschließbare Verschlüsse bekannt, die auch durchaus für Schlauchbeutel oder dergleichen geeignet sind. So beschreibt die europäische Patentanmeldung A2 134 130 einen Schlauchbeutel mit einem Klebeband-Verschluß, der wiederholt geöffnet und verschlossen werden kann. Dabei ist der Klebeband-Verschluß über eine Längsreihe von Schwachstellen in dem Schlauchbeutel derart geklebt, daß man mit Hilfe eines Anfassers an diesem Verschluß zunächst den Verschluß von dem Schlauchbeutel abzuziehen beginnt, bis die Reihe von Schwachstellen freizuliegen kommt, worauf diese Schwachstellen aufreißen und damit den Beutel öffnen und dessen Inhalt freigeben. Verschlossen wird der Beutel erneut im umgekehrten Sinn, der Klebeband-Verschluß wird in seine ursprüngliche Lage auf den Beutel gedrückt und damit wieder verschlossen. Ein derartiges Verschluß-System ist im Handel unter der Bezeichnung "tesa-seal" erhältlich.Various types of reclosable closures are known in the prior art, which are also quite suitable for tubular bags or the like. For example, European patent application A2 134 130 describes a tubular bag with an adhesive tape closure that can be opened and closed repeatedly. The tape closure is glued over a longitudinal row of weak points in the tubular bag so that one begins to pull the seal from the tubular bag with the help of a handle on this seal until the row of weak spots is exposed, whereupon these weak spots tear open and thus the Open the bag and release its contents. The bag is closed again in the opposite sense, the adhesive tape closure is pressed into its original position on the bag and thus closed again. Such a closure system is commercially available under the name "tesa-seal".

Obwohl ein solcher Klebeband-Verschluß für viele praktische Anwendungen durchaus genügt, ist doch das Problem eines Original-Verschlusses damit unzureichend gelöst. Denn ein Originalverschluß soll auf einfache Weise zeigen, ob eine Verpackung, wie ein Schlauchbeutel, bereits einmal geöffnet und dann wieder verschlossen wurde oder nicht. Zwar kann der obige Klebeband-Verschluß des Standes der Technik bei näherem Hinsehen anhand der bereits aufgebrochenen Schwachstellen durchaus anzeigen, daß der Verschluß bereits einmal geöffnet wurde, jedoch ist es nach einiger Übung möglich, den Verschluß so exakt wieder zu verkleben, daß es für einen Nicht-Fachmann kaum möglich ist, festzustellen, ob der Verschluß bereits einmal geöffnet wurde. Den hohen Anforderung an einen Original-Verschluß kann dieses bekannte Verschluß-System daher nicht immer genügen.Although such an adhesive tape closure is sufficient for many practical applications, the problem of an original closure is inadequately solved. Because an original closure should show in a simple manner whether a package, such as a tubular bag, has already been opened and then closed again or not. Although the above-mentioned tape closure of the prior art, on closer inspection based on the weak points that have already been broken open, can indicate that the closure has already been opened, but after some practice it is possible to re-bond the closure so precisely that it is suitable for one It is hardly possible for a non-specialist to determine whether the closure has already been opened. This known closure system cannot therefore always meet the high requirements for an original closure.

Aufgabe der Erfindung war es, hier Abhilfe zu schaffen, insbesondere ein Klebeband für den wiederverschließbaren Verschluß eines Schlauchbeutels oder dergleichen zu schaffen, der zugleich auf unzweideutige Weise anzeigt, ob der Verschluß bereits einmal geöffnet wurde.The object of the invention was to remedy this, in particular to provide an adhesive tape for the reclosable closure of a tubular bag or the like, which at the same time unambiguously indicates whether the closure has already been opened.

Demgemäß betrifft die Erfindung ein Klebeband für den wiederverschließbaren Verschluß eines Schlauchbeutels oder dergleichen aus einem mit einem Kleber teilbeschichteten Träger mit einem seitlich, in Längsrichtung des Klebebandes verlaufenden Anfasser, das dadurch gekennzeichnet ist, daß sich der Träger angrenzend an den Anfasser in einen Aufreißbereich fortsetzt, der nach Art eines Original-Verschlusses in Längsrichtung des Klebebandes aufreißbar ist, sowie daran angrenzend sich in einen weiteren mit Kleber beschichteten Klebe-Breich fortsetzt.Accordingly, the invention relates to an adhesive tape for the reclosable closure of a tubular bag or the like made of a carrier partially coated with an adhesive with a handle running laterally in the longitudinal direction of the adhesive tape, which is characterized in that the carrier adjoins the handle in a tear-open area continues, which can be torn open in the longitudinal direction of the adhesive tape in the manner of an original closure, and continues adjacent to it in a further adhesive area coated with adhesive.

Mit diesem erfindungsgemäßen Klebeband läßt sich auf einfache Weise sowohl ein Originalverschluß als auch ein wiederverschließbarer Verschluß für Schlauchbeutel und dergleichen herstellen, der auf den ersten Blick und für den Laien erkennbar werden läßt, ob der Verschluß bereits einmal geöffnet wurde oder nicht.With this adhesive tape according to the invention, both an original closure and a reclosable closure for tubular bags and the like can be produced in a simple manner, which at first glance and for the layperson can be seen whether the closure has already been opened or not.

Der Träger des erfindungsgemäßen Klebebandes besteht vorzugsweise aus einer Kunststoff-Folie, die insbesondere für transparente Schlauchbeutel ihrerseits transparent sein kann und damit das Aussehen der Verpackung nicht beeinträchtigt. Auf dem in Längsrichtung des Klebebandes verlaufenden Anfasser ist vorteilhaft eine Anleitung aufgedruckt, wie der Verschluß zu handhaben ist, etwa in welche Richtung zu ziehen und wieder zu verschließen ist. Der verwendete Kleber ist vorteilhaft ein Selbstkleber, ggf. auch transparent. Bei geeigneter Ausgestaltung sind aber auch Kleber vom Typ hot melt oder dergleichen zu verwenden.The carrier of the adhesive tape according to the invention preferably consists of a plastic film, which in turn can be transparent, in particular for transparent tubular bags, and thus does not impair the appearance of the packaging. Instructions are advantageously printed on the handle running in the longitudinal direction of the adhesive tape, as to how the closure is to be handled, for example in which direction it is to be pulled and then closed again. The adhesive used is advantageously a self-adhesive, possibly also transparent. With a suitable design, however, hot melt type adhesives or the like can also be used.

Im Aufreißbereich ist der Anfang vorteilhaft als Anfasser ausgebildet, etwa indem ein Teil des Aufreißbereiches angerissen und vorgebogen ist, oder aber indem auf den Anfang ein kleines Stück Klebeband aufgeklebt ist, vorzugsweise in einer auffälligen Farbe eingefärbt, oder aber auch, indem auf den Anfang ein kräftiger Lack oder dergleichen aufgedruckt ist. Auch in dem Aufreißbereich kann eine Gebrauchsanweisung aufgedruckt sein, etwa in welcher Richtung zu ziehen ist. Vorteilhaft ist der Aufreißbereich so ausgebildet, daß in Längsrichtung des Klebebandes ein Aufreißstreifen unterlegt ist, mit dessen Hilfe beim Aufreißen der Original-Verschluß zerstört wird. Es kann im Aufreißbereich aber auch eine in Längsrichtung des Klebebandes verlaufende Perforation oder Schlitze vorgesehen sein, entlang denen dann aufgerissen wird. Schließlich kann auch der Träger des Klebebands selbst für ein Aufreißen im Aufreißbereich besonders geeignet ausgebildet sein, indem man einen in Längsrichtung des Klebebandes stark gereckten Träger verwendet, vorzugsweise einen Träger aus überwiegend monoaxial gerecktem Polypropylen.In the tear-open area, the beginning is advantageously designed as a handle, for example by tearing part of the tear-open area and pre-bent, or by gluing a small piece of adhesive tape onto the beginning, preferably colored in a striking color, or else by marking the beginning strong varnish or the like is printed. Instructions for use can also be printed in the tear-open area, for example in which direction to pull. The tear-open area is advantageously designed such that a tear strip is underlaid in the longitudinal direction of the adhesive tape, with the aid of which the original closure is destroyed when the tear is opened. It can be in Tear-open area but also a perforation or slots running in the longitudinal direction of the adhesive tape, along which the tear is then carried out. Finally, the carrier of the adhesive tape itself can also be designed to be particularly suitable for tearing in the tear-open area by using a carrier which is strongly stretched in the longitudinal direction of the adhesive tape, preferably a carrier made of predominantly monoaxially stretched polypropylene.

Vorteilhafte Ausgestaltungen des erfindungsgemäßen Klebebandes sind in den Zeichnungen dargestellt. Es zeigen im einzelnen

  • Figur 1 einen Querschnitt durch ein erfindungsgemäßes Klebeband,
  • Figur 2 einen Querschnitt durch eine weitere Ausführungsform eines erfindungsgemäßen Klebebandes,
  • Figur 3 den Querschnitt eines erfindungsgemäßen Klebebandes, aufgeklebt auf einen Schlauchbeutel,
  • Figur 4 die in Figur 3 dargestellte Anordnung, wobei jedoch der Aufreißbereich bereits entfernt ist,
  • Figur 5 den in Figuren 3 und 4 dargestellten Gegenstand im geöffneten Zustand, und
  • Figur 6 die schematische Darstellung eines erfindungsgemäßen Klebebandes, aufgeklebt auf einen Schlauchbeutel.
Advantageous embodiments of the adhesive tape according to the invention are shown in the drawings. It show in detail
  • FIG. 1 shows a cross section through an adhesive tape according to the invention,
  • FIG. 2 shows a cross section through a further embodiment of an adhesive tape according to the invention,
  • FIG. 3 shows the cross section of an adhesive tape according to the invention, glued onto a tubular bag,
  • FIG. 4 shows the arrangement shown in FIG. 3, but the tear area has already been removed,
  • Figure 5 shows the object shown in Figures 3 and 4 in the open state, and
  • Figure 6 is a schematic representation of an adhesive tape according to the invention, glued to a tubular bag.

Das in Figur 1 im Querschnitt dargestellte erfindungsgemäße Klebeband 1 besteht aus einem Träger 2 aus monoaxial gerecktem Polypropylen, gereckt in Richtung des Klebebandes. Der Träger 2 ist teilbeschichtet mit einem Selbstkleber 5a und 5b derart, daß ein Anfasser 3 sowie ein Aufreißbereich 4 frei von Kleber verbleibt. Der Aufreißbereich 4 ist durch eine Reihe von längs verlaufenden Schlitzen aus dem Träger 2 aufreißbar ausgebildet. An den Aufreißbereich 4 schließt sich ein Klebebereich 6 an, der den Kleber 5b trägt.The adhesive tape 1 according to the invention shown in cross section in FIG. 1 consists of a carrier 2 made of monoaxially stretched polypropylene, stretched in the direction of the adhesive tape. The carrier 2 is partially coated with a self-adhesive 5a and 5b such that a grip 3 and a tear-open area 4 remain free of adhesive. The tear-open area 4 is designed to tear open from the carrier 2 by a series of longitudinal slots. Adhesive area 6, which carries adhesive 5b, adjoins tear area 4.

Die in Figur 2 dargestellte Ausführungsform entspricht der vorstehenden Beschreibung, weist jedoch im Aufreißbereich am Anfang und auf dessen Oberseite ein kleines Stück eines aufgeklebten Klebebandes 8 auf, das als Anfasser dient. Unterhalb des Aufreißbereichs 4 ist ein Aufreißstreifen 9 angeordnet, der ein sicheres Aufreißen des Trägers 2 ermöglicht, ohne daß dieser Träger 2 gemäß dieser Ausführungsform in seinem Aufreißbereich 4 perforiert oder geschlitzt zu sein braucht.The embodiment shown in FIG. 2 corresponds to the above description, but has a small piece of adhesive tape 8, which serves as a handle, in the tear-open area at the beginning and on the upper side thereof. A tear strip 9 is arranged underneath the tear-open area 4, which enables the carrier 2 to be torn open securely without this carrier 2 according to this embodiment needing to be perforated or slotted in its tear-open area 4.

Die Figuren 3 - 5 zeigen die verschiedenen Stadien eines erfindungsgemäßen Klebebandes, Figur 3 im Stadium des Origianlverschlusses und verklebt auf einem Schlauchbeutel 11 mit einer Längsreihe von Schwachstellen 10, hier ausgebildet als eine Längsreihe von kleinen Schlitzen. Durch Ziehen des Aufreißbereichs 4 in Richtung des Pfeils A wird der Träger 2 derart getrennt, daß die in Figur 4 dargestellte teilgeöffnete Form verbleibt. In dieser Form wird nunmehr der Anfasser 3 ergriffen und in Richtung des Pfeiles B gezogen. Dabei hebt sich, wie in Figur 5 dargestellt, der Kleber 5a von dem Schlauchbeutel 11 ab und legt die bis dahin von dem Kleber 5a verdeckte Längsreihe von Schwachstellen 10 frei. Diese brechen bei weiterem Ziehen in Richtung des Pfeiles B auf, der Beutelinhalt ist zugänglich und geöffnet. In Richtung des Pfeiles C, Figur 5, wird das Klebeband mit einem Kleber 5a wieder auf den Schlauchbeutel 11 gedrückt und damit wird dieser verschlossen, wie in Figur 4 dargestellt. In dieser Form ist es für den Betrachter ohne weiteres ersichtlich, daß der Origianlverschluß wie in Figur 3 dargestellt, nicht mehr besteht, daß vielmehr der Verschluß bereits einmal geöffnet wurde, indem der Aufreißbereich 4 fehlt. Damit ist auch für Laien und auf den ersten Blick ersichtlich, ob es sich um eine original-verschlossene Verpackung handelt oder nicht.FIGS. 3-5 show the different stages of an adhesive tape according to the invention, FIG. 3 in the stage of the original closure and glued to a tubular bag 11 with a longitudinal row of weak points 10, here formed as a longitudinal row of small slits. By pulling the tear-open area 4 in the direction of arrow A, the carrier 2 is separated in such a way that the partially opened shape shown in FIG. 4 remains. In this form, the handle 3 is now gripped and pulled in the direction of arrow B. As shown in FIG. 5, the adhesive 5a lifts off from the tubular bag 11 and exposes the longitudinal row of weak points 10 that was previously hidden by the adhesive 5a. These continue to open in the direction of arrow B, the contents of the bag are accessible and open. In the direction of arrow C, FIG. 5, the adhesive tape is pressed onto the tubular bag 11 again with an adhesive 5a, and the bag is thus sealed closed, as shown in Figure 4. In this form, it is readily apparent to the viewer that the original closure, as shown in FIG. 3, no longer exists, but rather that the closure has already been opened by the tear-off area 4 being missing. This means that even laypersons can see at first glance whether the packaging is originally sealed or not.

In Figur 6 ist schematisch dargestellt, wie ein erfindungsgemäßes Klebeband, aufgebracht als Verschluß auf einem Schlauchbeutel mit einer Längsreihe von Schwachstellen 10, und ausgerüstet mit einem Anfasser anfangs des Aufreißbereichs 4, durch Ziehen in Richtung der Pfeile A und dann B geöffnet werden kann.FIG. 6 shows schematically how an adhesive tape according to the invention, applied as a closure on a tubular bag with a longitudinal row of weak points 10 and equipped with a handle at the beginning of the tear-open area 4, can be opened by pulling in the direction of the arrows A and then B.

Claims (8)

1. Klebeband für den wiederverschließbaren Verschluß eines Schlauchbeutels oder dergleichen, aus einem mit einem Kleber teilbeschichteten Träger mit einem seitlichen, in Längsrichtung des Klebebandes verlaufenden Anfasser, dadurch gekennzeichnet, daß sich der Träger (2) angrenzend an den Anfasser (3) in einen Aufreißbereich (4) fortsetzt, der nach Art eines Original-Verschlusses in Längsrichtung des Klebebandes (1) aufreißbar ist, sowie daran angrenzend sich in einen weiteren mit Kleber (5b) beschichteten Klebe-Breich (6) fortsetzt.1. Adhesive tape for the reclosable closure of a tubular bag or the like, made of a carrier partially coated with an adhesive with a lateral handle running in the longitudinal direction of the adhesive tape, characterized in that the carrier (2) adjoins the handle (3) in a tear-open area (4), which can be torn open in the longitudinal direction of the adhesive tape (1) in the manner of an original closure, and continues adjacent to it in a further adhesive area (6) coated with adhesive (5b). 2. Klebeband nach Anspruch 1, dadurch gekennzeichnet, daß der Träger (2) eine transparente Polypropylen-Kunststoff-Folie und der Kleber (5a, 5b) ein Selbstkleber ist.2. Adhesive tape according to claim 1, characterized in that the carrier (2) is a transparent polypropylene plastic film and the adhesive (5a, 5b) is a self-adhesive. 3. Klebeband nach Anspruch 1, dadurch gekennzeichnet, daß der Anfang (8) des Aufreißbereichs (4) als Anfasser ausgebildet ist.3. Adhesive tape according to claim 1, characterized in that the beginning (8) of the tear area (4) is designed as a handle. 4. Klebeband nach Anspruch 1, dadurch gekennzeichnet, daß der Aufreißbereich (4) mit einem in Längsrichtung des Klebebandes (1) verlaufenden Aufreißstreifen (9) unterlegt ist.4. Adhesive tape according to claim 1, characterized in that the tear-open area (4) is underlaid with a tear strip (9) extending in the longitudinal direction of the adhesive tape (1). 5. Klebeband nach Anspruch 1, dadurch gekennzeichnet, daß der Aufreißbereich (4) in Längsrichtung des Klebebandes (1) verlaufende Perforationen oder Schlitze aufweist.5. Adhesive tape according to claim 1, characterized in that the tear-open area (4) in the longitudinal direction of the adhesive tape (1) has perforations or slots. 6. Klebeband nach Anspruch 1, dadurch gekennzeichnet, daß der Aufreißbereich (4) durch starkes Recken des Trägers (2) in Längsrichtung des Klebebandes (1) ausgebildet ist.6. Adhesive tape according to claim 1, characterized in that the tear-open area (4) by strong stretching of the carrier (2) in the longitudinal direction of the adhesive tape (1) is formed. 7. Verwendung eines Klebebandes nach einem der Ansprüche 1 - 6 als wiederverschließbarer Origianl-Verschluß eines Schlauchbeutels oder dergleichen, wobei der mit dem Kleber (5a) teilbeschichtete Träger (2) in an sich bekannter Weise über eine Längsreihe von Schwachstellen (10) in dem Schlauchbeutel oder dergleichen geklebt wird, zum erstmaligen Öffnen der Aufreißbereich (4) aufgerissen wird, worauf der Anfasser (3) zugänglich ist, der nun angehoben wird, bis der Kleber (5a) sich soweit von dem Schlauchbeutel oder dergleichen abhebt, bis die Schwachstellen (10) freiliegen und bei weiterem Anheben des Klebebandes (1) aufreißen und so den Verschluß öffnen, worauf der freigelegte Teil des Klebers (5a) erneut mit dem Schlauchbeutel oder dergleichen verklebt werden kann, wobei jedoch erkennbar bleibt, daß der Original-Verschluß nunmehr bereits geöffnet wurde.7. Use of an adhesive tape according to one of claims 1-6 as a reclosable original closure of a tubular bag or the like, wherein the carrier (2) partially coated with the adhesive (5a) in a manner known per se over a longitudinal row of weak points (10) in the Tubular bag or the like is glued, the tear-open area (4) is torn open for the first time, whereupon the handle (3) is accessible, which is now raised until the adhesive (5a) stands out from the tubular bag or the like until the weak points ( 10) are exposed and when the adhesive tape (1) is lifted open and thus open the closure, whereupon the exposed part of the adhesive (5a) can be glued again with the tubular bag or the like, although it remains recognizable that the original closure is now already in place was opened. 8. Schlauchbeutel oder dergleichen, verschlossen über einer Längsreihe von Schwachstellen (10) mit einem Klebeband gemäß einem der Ansprüche 1 - 6.8. tubular bag or the like, closed over a longitudinal row of weak points (10) with an adhesive tape according to one of claims 1-6.
EP88106285A 1987-05-05 1988-04-20 Adhesive tape for use as a resealable closure Expired - Lifetime EP0289863B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88106285T ATE67733T1 (en) 1987-05-05 1988-04-20 ADHESIVE TAPE AS A RESEALABLE CLOSURE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3714843 1987-05-05
DE19873714843 DE3714843A1 (en) 1987-05-05 1987-05-05 ADHESIVE TAPE AS A RE-CLOSABLE CLOSURE

Publications (2)

Publication Number Publication Date
EP0289863A1 true EP0289863A1 (en) 1988-11-09
EP0289863B1 EP0289863B1 (en) 1991-09-25

Family

ID=6326823

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88106285A Expired - Lifetime EP0289863B1 (en) 1987-05-05 1988-04-20 Adhesive tape for use as a resealable closure

Country Status (7)

Country Link
US (1) US4902142A (en)
EP (1) EP0289863B1 (en)
JP (1) JPS63291978A (en)
AT (1) ATE67733T1 (en)
AU (1) AU605716B2 (en)
DE (2) DE3714843A1 (en)
ES (1) ES2026596T3 (en)

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Also Published As

Publication number Publication date
DE3714843A1 (en) 1988-11-17
EP0289863B1 (en) 1991-09-25
DE3865076D1 (en) 1991-10-31
US4902142A (en) 1990-02-20
AU605716B2 (en) 1991-01-17
ATE67733T1 (en) 1991-10-15
ES2026596T3 (en) 1992-05-01
AU1537588A (en) 1988-11-10
JPS63291978A (en) 1988-11-29

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