EP2479120B1 - System for closing a opening of a container - Google Patents

System for closing a opening of a container Download PDF

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Publication number
EP2479120B1
EP2479120B1 EP12152023.3A EP12152023A EP2479120B1 EP 2479120 B1 EP2479120 B1 EP 2479120B1 EP 12152023 A EP12152023 A EP 12152023A EP 2479120 B1 EP2479120 B1 EP 2479120B1
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EP
European Patent Office
Prior art keywords
container
opening
closure system
rigid part
rigid
Prior art date
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Application number
EP12152023.3A
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German (de)
French (fr)
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EP2479120A1 (en
Inventor
Dieter Bergner
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.)
Coveris Rigid (zell) Deutschland GmbH
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Coveris Rigid (Zell) Deutschland GmbH
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Priority to PL12152023T priority Critical patent/PL2479120T3/en
Publication of EP2479120A1 publication Critical patent/EP2479120A1/en
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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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
    • B65D77/2068—Means for reclosing the cover after its first opening
    • B65D77/2072—Mechanical means
    • B65D77/2088—Mechanical means attached to the cover
    • 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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
    • B65D77/2028—Means for opening the cover other than, or in addition to, a pull tab
    • B65D77/2032—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container
    • B65D77/2044—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure
    • B65D77/2048—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut
    • B65D77/2056—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut the cover being weakened
    • 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
    • B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
    • B65D2577/10—Container closures formed after filling
    • B65D2577/20—Container closures formed after filling by applying separate lids or covers
    • B65D2577/2041—Pull tabs
    • B65D2577/205—Pull tabs integral with the closure
    • 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
    • B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
    • B65D2577/10—Container closures formed after filling
    • B65D2577/20—Container closures formed after filling by applying separate lids or covers
    • B65D2577/2075—Lines of weakness or apertures
    • B65D2577/2091—Lines of weakness or apertures in cover

Definitions

  • the invention relates to a system for closing the opening of a rigid or semi-rigid packaging, in particular a container, wherein a reclosability after the first opening of the packaging is to be ensured.
  • a closure system for closing the opening of a container wherein the closure system of a rigid part which forms a frame, and a flexible member arranged thereon, which is formed of a plastic film, wherein the flexible part of the rigid Part uncovered opening covers.
  • a closure integrity detector may be provided, which is often tearable is trained.
  • a lid can not ensure perfect tightness, especially against gases due to its design.
  • a sealed package as required for certain products such as pharmaceuticals, foods or the like can not be produced in this way.
  • the cover sheet also snaps when peeled, since the relative tear strength of the lid material is usually less than the resistance of the sealed seam.
  • a reclosability of the package after the first opening is no longer present, i. after the lidding foil has been torn off along the sealing seam.
  • a separate lid which can be snapped on or otherwise placed, for example.
  • the invention has for its object to provide a solution that eliminates these problems in a simple, yet efficient way.
  • the problem that the invention intends to solve is to replace the cover and the lid with a system performing the same functions of the individual parts.
  • the problem of the invention is achieved in that at least a part of the outer contour of the rigid part of the inner contour of the opening of the container corresponds and is centered in the container.
  • the closure system consists of a rigid part, which preferably forms a frame, and a flexible part arranged thereon, in particular a plastic film, wherein the outer contour of the rigid part of the inner contour of the opening of the container corresponds and is centered in the container.
  • a film preferably an IML film
  • Another very advantageous embodiment is also present if the film protrudes outwardly beyond the rigid part and there sealed with an opening of the container surrounded edge can be welded or glued.
  • the flexible part corresponding to the inner contour of the opening of the container has a weakening line which separates the flexible part into a part fixed to the container and a lift-off part.
  • the lift-off part is separated during the first opening.
  • the remaining fixed part is usually on the sealing edge of the container.
  • a grip tab is provided for easier opening of the container, wherein the grip tab can be arranged on the liftable part.
  • the gripping tab can be, for example, an integral part of the flexible part or the rigid part. It is also conceivable that the grip tab is arranged on the liftable part or else on the fixed part. The grip tab can be made detachable from the specified part.
  • the liftable part is formed by the rigid part and a part of the flexible part. It is also very advantageous if the lift-off part is designed to re-close the container re-usable in the opening.
  • the lift-off part consisting of a rigid part and the film can be very easily removed and put back on, whereby when reinserting, reclosing, often at least limited tightness can be achieved since the lift-off part is precisely fitting to the container opening.
  • the separable part ensures the function of a lid.
  • the rigid part constitutes a peripheral support zone which, on the one hand, corresponds to the opening of the container during reclosing and, on the other hand, stabilizes the film.
  • the IML film is sealed on the edge of the container.
  • the rigid part has an outwardly projecting support zone, which is able to support at the opening and / or at the edge of the container and is at least partially formed circumferentially and may be formed as a collar.
  • the rigid part has inwardly projecting lugs on the one hand, the rigid part in his Stabilize contour on the other hand, and can stabilize the flexible part, especially in terms of pressure loads during stacking. Occurring forces are introduced directly into the rigid part and thus transferred to the container.
  • the rigid part is formed by injection of plastic onto the film, through the film or through a two-sided process.
  • connection seals welding, gluing or the like is conceivable.
  • the rigid part may be partially or completely connected to the cover film.
  • Another very advantageous embodiment of the invention is also present when the rigid part is arranged on the bottom, the top or on both sides of the lid film.
  • the invention is applicable to any type of packaging of rigid or semi-rigid material, wherein the container may have any shape, but one around the Removal opening has circumferential, flat edge, which is suitable as a sealing edge.
  • This container is designated (R), the container opening with (0).
  • the opening (0) of the container (R) is closed by a rigid part (1) which is connected to an IML film (2) and together form a lid.
  • IML in-mold labeling
  • a film is designated, which is usually pre-printed in a thermoformed or injection-molded mold and then injected or deep drawn further material. The connection between the inserted foil and the further material takes place by partial melting of the plastic materials.
  • the IML film has all or part of the imprints or labels intended to be printed on the finished product.
  • an IML film can be used as cover film, can have openings or lines of weakness, and the second material can completely or partially cover the IML film.
  • the connection of two IML films is conceivable.
  • the rigid part (1) is formed such that it forms a frame or a flange, not shown, which is formed circumferentially and does not form a full surface.
  • the rigid part (1) corresponds to the opening (0) of the container (R) and centered in this.
  • the rigid part (1) is formed by injecting plastic material onto the IML film (2).
  • the IML film (2) projects outwardly beyond the rigid part (1) to form a fastening zone (2a) for connection to an edge (R1) of the container R.
  • a fastening zone (2a) for connection to an edge (R1) of the container R.
  • the IML film (2) closes the container as a lid, as in the Fig. 1 and 4 is shown.
  • the rigid part (1) When closed, the packaging is gas and water proof.
  • the rigid part (1) is arranged centered in the opening (0) of the container. It should be noted that the rigid part (1) has a peripheral support zone which is able to rest on the edge (R1) and thus holds the lid in position.
  • the IML film (2) has a weakening line (2c) interposed between the rigid part (1) and the fastening zone 2a and which corresponds to the opening (0) of the container.
  • a lift-off zone (2b) of the IML film (2) is formed, which is equipped with a grip tab (3), on which the lift-off zone (2b) can be detected.
  • the grip tab (3) can be an integral part of the film (2) or placed on this.
  • the grip tab (3) is part of the rigid part (1).
  • the lift-off zone (2b) thus comprises the inner part of the IML film (2) and the rigid part (1) of the lid. These two together can be used after removal of content from the container back into the opening (0) to this again to close.
  • the rigid part (1) is formed by injection-molding on the underside of the IML film 2, wherein it is also conceivable that the injection takes place laterally or through the IML film.
  • the IML film may have corresponding openings or weakenings.
  • FIG. 7 An embodiment in which at least the main part of the rigid part (1) is arranged on the IML film (2) is shown in FIG. 7 shown.
  • FIG. 8 On the other hand, the underside of the IML film (2) of a variant is shown in which the rigid part (1) has parts on both sides of the IML film.
  • the closure system according to the invention thus replaces a known lid and a cover foil.
  • FIGS. 1 and 4 the opening of the water- and gas-tight container is shown.
  • the packaging is sealed airtight and watertight by being sealed on the edge (R1) surrounding the opening (0) of the container.
  • the system according to the invention allows a very good level of protection of the contents of the container by reclosability.
  • the force required to open the lid is comparatively low.
  • An accidental tearing of the lidding film can not be done by the underlying reinforcement of the rigid part (1) also.
  • the invention is not limited to the use of a printed IML film. Rather, the term IML film is used here to characterize a film which may be connected to a rigid part.
  • connection between the film and the rigid part (1) takes place by gluing or by other joining methods.
  • connection between film (2) and rigid part (1) does not have to be provided over the entire surface. Partial connections are often enough.
  • FIGS. 7 and 10 are shown inwardly projecting lugs (5) on the rigid part (1), on which the bottom of another container stacked on a first container can be supported.
  • the weight of subsequent containers can not cause damage to the comparatively thin IML film (2), since it is not loaded.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Description

Die Erfindung betrifft ein System zum Verschließen der Öffnung einer starren oder halbstarren Verpackung, insbesondere eines Behälters, wobei eine Wiederverschließbarkeit nach dem ersten Öffnen der Verpackung gewährleistet werden soll.The invention relates to a system for closing the opening of a rigid or semi-rigid packaging, in particular a container, wherein a reclosability after the first opening of the packaging is to be ensured.

Es wird dabei ausgegangen von einem Verschlußsystem zum Verschließen der Öffnung eines Behältnisses, wobei das Verschlußsystem aus einem starren Teil, das einen Rahmen bildet, und einem daran angeordneten flexiblen Teil, das aus einer Kunststofffolie gebildet ist, besteht, wobei der flexible Teil die vom starren Teil nicht verschlossene Öffnung abdeckt.It is assumed that a closure system for closing the opening of a container, wherein the closure system of a rigid part which forms a frame, and a flexible member arranged thereon, which is formed of a plastic film, wherein the flexible part of the rigid Part uncovered opening covers.

Verschiedene Lösungen sind zum Sichern eines Behälterverschlusses bei gleichzeitiger Wiederverschließbarkeit bekannt.Various solutions are known for securing a container closure while reclosable.

Zum Beispiel ist es bekannt, einen Behälter mit einem Deckel auszurüsten, wobei dieser beim Öffnen der Verpackung abgetrennt werden muss. Ein Erkennungsmittel für die Unversehrtheit des Verschlusses kann vorgesehen sein, welches oft abreißbar ausgebildet ist. Ein solcher Deckel kann aber aufgrund seiner Konzeption keine vollkommene Dichtheit, insbesondere gegenüber Gasen gewährleisten. Eine dichte Verpackung wie sie für bestimmte Produkte, wie zum Beispiel für pharmazeutische Produkte, Nahrungsmittel oder dergleichen notwendig ist, kann auf diesem Weg nicht hergestellt werden.For example, it is known to equip a container with a lid, which must be separated when opening the package. A closure integrity detector may be provided, which is often tearable is trained. However, such a lid can not ensure perfect tightness, especially against gases due to its design. A sealed package as required for certain products such as pharmaceuticals, foods or the like can not be produced in this way.

Eine andere einem Fachmann geläufige Lösung besteht darin, eine vorgefertigte Deckelfolie, aus einer Folie auf Basis von Kunststoff, Aluminium oder Papier mittels einer am Rand umlaufenden heißschmelzbaren Schicht mit einem Rand der Verpackung zu verbinden. Diese verschließt so die Öffnung der Verpackung dicht. Diese Deckelfolie kann abgezogen werden um die Verpackung zu öffnen. Das Abziehen der Deckelfolie erfordert einiges an Kraft, auch wenn am Umfang eine Grifflasche vorgesehen ist.Another solution familiar to a person skilled in the art is to connect a prefabricated cover film, made of a film based on plastic, aluminum or paper, to an edge of the packaging by means of a heat-fusible layer circulating around the edge. This seals the opening of the packaging tightly. This lidding film can be peeled off to open the packaging. The removal of the lid film requires a lot of power, even if a grip tab is provided on the circumference.

Oftmals reißt die Deckelfolie beim Abziehen auch ein, da die relative Reißfestigkeit des Deckelmaterials meistens geringer ist als der Widerstand der Siegelnaht.Often, the cover sheet also snaps when peeled, since the relative tear strength of the lid material is usually less than the resistance of the sealed seam.

Zudem ist bei dieser Variante eine Wiederverschließbarkeit der Verpackung nach dem erstmaligen Öffnen nicht mehr gegeben, d.h. nachdem die Deckelfolie entlang der Siegelnaht abgerissen worden ist. Um eine solche Verpackung nochmals zu Verschließen, ist es nötig, einen getrennten Deckel einzusetzen, der beispielsweise aufgeschnappt oder anderweitig aufgesetzt werden kann.In addition, in this variant, a reclosability of the package after the first opening is no longer present, i. after the lidding foil has been torn off along the sealing seam. In order to close such a package again, it is necessary to use a separate lid, which can be snapped on or otherwise placed, for example.

Zudem ist beispielsweise aus der DE 10 2006 031 292 A1 die Verwendung eines Spritzgußdeckels bekannt, der zwar eine gute Wiederverschließbarkeit aufweist, jedoch einen großen Materialaufwand bedingt.In addition, for example, from the DE 10 2006 031 292 A1 the use of an injection-molded lid known, although having a good reclosability, but requires a lot of material.

Aus der EP 0 665 171 A1 und aus der WO 2011/052997 A1 ist jeweils ein weiterer Spritzgußdeckel bekannt, der mit einer zusätzlichen Folie überzogen ist.From the EP 0 665 171 A1 and from the WO 2011/052997 A1 In each case a further injection-molded lid is known, which is coated with an additional film.

Aus der WO 2012/049668 A1 ist desweiteren eine Deckelanordnung gemäß dem Oberbegriff des Anspruchs 1 mit einem Versteifungsteil und einem blattförmigen Abdeckteil bekannt.From the WO 2012/049668 A1 Furthermore, a cover assembly according to the preamble of claim 1 with a Stiffening part and a leaf-shaped cover known.

Der Erfindung liegt die Aufgabe zugrunde, eine Lösung vorzuschlagen, die diese Probleme auf einfache, aber dennoch rationelle Art und Weise beseitigt.The invention has for its object to provide a solution that eliminates these problems in a simple, yet efficient way.

Das Problem, das zu lösen die Erfindung beabsichtigt, besteht darin, die Abdeckung und den Deckel durch ein dieselben Funktionen der einzelnen Teile erfüllendes System zu ersetzen.The problem that the invention intends to solve is to replace the cover and the lid with a system performing the same functions of the individual parts.

Das erfindungsgemäße Problem wird dadurch gelöst, daß wenigstens ein Teil der äußeren Kontur des starren Teils der Innenkontur der Öffnung des Behältnisses entspricht und so im Behältnis zentriert ist.The problem of the invention is achieved in that at least a part of the outer contour of the rigid part of the inner contour of the opening of the container corresponds and is centered in the container.

Das Verschlußsystem besteht aus einem starren Teil, das vorzugsweise einen Rahmen bildet, und einem daran angeordneten flexiblen Teil, insbesondere einer Kunststofffolie, besteht, wobei die Außenkontur des starren Teils der Innenkontur der Öffnung des Behältnisses entspricht und so im Behältnis zentriert ist.The closure system consists of a rigid part, which preferably forms a frame, and a flexible part arranged thereon, in particular a plastic film, wherein the outer contour of the rigid part of the inner contour of the opening of the container corresponds and is centered in the container.

Sehr vorteilhaft ist es auch, wenn als Kunststofffolie eine IML (IN-Mould-Labeling)-Folie eingesetzt wird.It is also very advantageous if an IML (IN-Mold-Labeling) film is used as the plastic film.

Durch diese Merkmale ergibt sich, dass das System, aus einer Folie, vorzugsweise eine IML-Folie, vor dem Öffnen des Behältnisses wie eine herkömmliche Deckelfolie wirkt und nach dem Öffnen durch den starren Rahmen dieselben Funktionen erfüllt, wie ein Deckel um ein Wiederverschließen des Behältnisses zu ermöglichen.These features show that the system, of a film, preferably an IML film, acts like a conventional lidding film before opening the container and, after being opened by the rigid frame, performs the same functions as a lid to reseal the container to enable.

Durch die Verwendung einer IML Folie können auf einfache Art und Weise Beschriftungen, Gestaltungen oder dergleichen vorgesehen werden. Ein nachträgliches Bedrucken entfällt.Through the use of an IML film inscriptions, designs or the like can be provided in a simple manner. Subsequent printing is omitted.

Eine weitere sehr vorteilhafte Ausgestaltung liegt auch vor, wenn die Folie nach außen über das starre Teil hinausragt und dort mit einem die Öffnung des Behälters umgebeneden Rand versiegelt, verschweißt oder verklebt sein kann.Another very advantageous embodiment is also present if the film protrudes outwardly beyond the rigid part and there sealed with an opening of the container surrounded edge can be welded or glued.

Hierdurch wird sichergestellt, daß einerseits die Deckelfunktion erfüllt ist und zudem das verschlossene Behältniss dicht ist. Der Rand des Behälters bildet einen Siegelrand. Andere Befestigungsmethoden sind denkbar.This ensures that on the one hand the cover function is fulfilled and also the sealed container is tight. The edge of the container forms a sealing edge. Other attachment methods are conceivable.

Gemäß einer weiteren Ausbildung der Erfindung ist es auch sehr vorteilhaft, wenn der flexible Teil korrespondierend zur Innenkontur der Öffnung des Behältnisses eine Schwächungslinie aufweist, die den flexiblen Teil in einen am Behälter festgelegten Teil und einen abhebbaren Teil trennt.According to a further embodiment of the invention, it is also very advantageous if the flexible part corresponding to the inner contour of the opening of the container has a weakening line which separates the flexible part into a part fixed to the container and a lift-off part.

Hiermit wird ein freier Zugang zum Behälterinhalt sichergestellt. Entlang der Schwächungslinie wird beim ersten Öffnen der abhebbare Teil abgetrennt. Der verbleibende festgelegte Teil liegt in der Regel auf dem Siegelrand des Behälters auf.This ensures free access to the contents of the container. Along the weakening line, the lift-off part is separated during the first opening. The remaining fixed part is usually on the sealing edge of the container.

Es hat sich erfindungsgemäß auch als sehr vorteilhaft erwiesen, wenn eine Grifflasche zum leichteren Öffnen des Behältnisses vorgesehen ist, wobei die Grifflasche am abhebbaren Teil angeordnet sein kann.It has also proved to be very advantageous according to the invention if a grip tab is provided for easier opening of the container, wherein the grip tab can be arranged on the liftable part.

Durch diese Grifflasche kann der abhebbare Teil sehr leicht ergriffen und abgetrennt werden. Die Grifflasche kann dabei beispielsweise ein integraler Bestandteil des flexiblen Teils oder des starren Teils sein. Es ist auch denkbar, daß die Grifflasche am abhebbaren Teil oder aber auch am festgelegten Teil angeordnet ist. Die Grifflasche kann dabei aus dem festgelegten Teil austrennbar ausgebildet sein.Through this grip tab the liftable part can be very easily grasped and separated. The gripping tab can be, for example, an integral part of the flexible part or the rigid part. It is also conceivable that the grip tab is arranged on the liftable part or else on the fixed part. The grip tab can be made detachable from the specified part.

Eine weitere äußerst vorteilhafte Ausgestaltung der Erfindung liegt auch vor, wenn der abhebbare Teil durch den starren Teil und einen Teil des flexiblen Teils gebildet ist. Ebenfalls sehr vorteilhaft ist es auch, wenn der abhebbare Teil zum Wiederverschließen des Behältnisses wieder in die Öffnung einsetzbar ausgebildet ist.Another extremely advantageous embodiment of the invention is also present when the liftable part is formed by the rigid part and a part of the flexible part. It is also very advantageous if the lift-off part is designed to re-close the container re-usable in the opening.

Dadurch kann der abhebbare Teil, bestehend aus einem starren Teil und derFolie sehr leicht abgetrennt und auch wieder aufgesetzt werden, wobei beim Wiedereinsetzen, das Wiederverschließen, oftmals eine wenigstens eingeschränkte Dichtigkeit erreicht werden kann, da der abhebbare Teil passgenau zur Behälteröffnung ist.As a result, the lift-off part consisting of a rigid part and the film can be very easily removed and put back on, whereby when reinserting, reclosing, often at least limited tightness can be achieved since the lift-off part is precisely fitting to the container opening.

Daraus ergibt sich, daß der abtrennbare Teil die Funktion eines Deckels gewährleistet. Zu diesem Zweck stellt der starre Teil eine periphere Unterstützungszone dar, die einerseits mit der Öffnung des Behälters beim Wiederverschließen korrespondiert und andererseits die Folie stabilisiert.It follows that the separable part ensures the function of a lid. For this purpose, the rigid part constitutes a peripheral support zone which, on the one hand, corresponds to the opening of the container during reclosing and, on the other hand, stabilizes the film.

Zur Gewährleistung der Dichtigkeit des Behälters ist die IML Folie auf dem Behälterrand aufgesiegelt.To ensure the tightness of the container, the IML film is sealed on the edge of the container.

Eine weitere sehr vorteilhafte Ausgestaltung der Erfindung liegt auch vor, wenn der starre Teil eine nach außen ragende Unterstützungszone aufweist, die sich an der Öffnung und/oder am Rand des Behältnisses abzustützen vermag und dabei wenigstens partiell umlaufend ausgebildet ist und als Kragen ausgebildet sein kann.Another very advantageous embodiment of the invention is also present when the rigid part has an outwardly projecting support zone, which is able to support at the opening and / or at the edge of the container and is at least partially formed circumferentially and may be formed as a collar.

Bereits durch die passgenaue Ausbildung wird ein versehentliches Hineinrutschen des starren Teils in die Öffnung des Behältnisses vermieden. Durch die weitere Unterstützungszone wird dies nochmals verbessert. Dadurch wird der Deckel sowohl im versiegelten oder bereits geöffneten Zustand nochmals stabiler und belastbarer. Ein Stapeln mehrerer Becher übereinander ist möglich.Already by the exact fit training accidental slipping into the rigid part is avoided in the opening of the container. This is further improved by the additional support zone. As a result, the lid is again more stable and resilient both in the sealed or already opened state. Stacking several cups one above the other is possible.

Um die Stapelfähigkeit nochmals zu verbessern ist es auch denkbar, wenn der starre Teil nach innen ragende Ansätze aufweist, die einerseits den starren Teil in seiner Kontur stabilisieren können und andererseits den flexiblen Teil vor allem hinsichtlich von Druckbelastungen beim Stapeln stabilisieren können. Auftretende Kräfte werden direkt in den starren Teil eingeleitet und damit auf das Behältnis übertragen.In order to improve the stackability again, it is also conceivable if the rigid part has inwardly projecting lugs on the one hand, the rigid part in his Stabilize contour on the other hand, and can stabilize the flexible part, especially in terms of pressure loads during stacking. Occurring forces are introduced directly into the rigid part and thus transferred to the container.

Gemäß einer vorteilhafte Weiterbildung der Erfindung wird der starre Teil durch Einspritzung von Kunststoff auf die Folie, durch die Folie hindurch oder durch ein beidseitiges Verfahren gebildet ist.According to an advantageous development of the invention, the rigid part is formed by injection of plastic onto the film, through the film or through a two-sided process.

Ebenso ist es denkbar, daß der starre Teil separat hergestellt und anschließend mit der Deckelfolie verbunden worden ist, wobei zur Verbindung Siegeln, Schweißen, Kleben oder dergleichen denkbar ist.It is also conceivable that the rigid part has been manufactured separately and then connected to the cover film, wherein the connection seals, welding, gluing or the like is conceivable.

Der starre Teil kann partiell oder vollständig mit der Deckelfolie verbunden sein.The rigid part may be partially or completely connected to the cover film.

Durch alle Verfahren wird eine stabiles System geschaffen, das einerseits flexibel, aber andererseits auch starr ist.All methods create a stable system that is both flexible and rigid.

Eine weitere sehr vorteilhafte Ausgestaltung der Erfindung liegt auch vor, wenn der starre Teil auf der Unterseite, der Oberseite oder auf beiden Seiten der Deckelfolie angeordnet ist.Another very advantageous embodiment of the invention is also present when the rigid part is arranged on the bottom, the top or on both sides of the lid film.

Sowohl die Anordnung auf der Unterseite als auch die Anordnung auf der Oberseite hat ihre Vorzüge.Both the arrangement on the bottom and the arrangement on the top has their merits.

Im folgenden wird die Erfindung anhand mehrerer in den Figuren der beigefügten Zeichnungen dargestellter Ausführungsbeispiele ausführlich beschrieben.In the following the invention with reference to several embodiments shown in the figures of the accompanying drawings will be described in detail.

Dabei zeigen:

Fig. 1
eine perspektivische Ansicht einer Verpackung in Form eines Behälters, mit einem erfindungsgemäßen System zum Verschließen im geschlossenen Zustand,
Fig. 2
eine weitere perspektivische Darstellung der Verpackung aus Fig. 1, wobei das Prinzip der Öffnung des Systems dargestellt ist,
Fig. 3
eine Darstellung des Wiederverschlusses des Behälters,
Fig. 4
eine Detaildarstellung des Verschlußsystems im geschlossenen Zustand,
Fig. 5
eine Detaildarstellung des Verschlußsystems im geöffneten Zustand,
Fig. 6
eine weitere Detaildarstellung des Verschlußsystems im wieder verschlossenen Zustand,
Fig. 7
eine perspektivische Darstellung einer weiteren Ausführungsform der Erfindung, bei der der starre Teil durch Einspritzung des Kunststoffes durch die IML Folie gebildet wird,
Fig. 8
eine Ansicht der Unterseite des Verschlußsystem aus Fig. 7,
Fig. 9
ein Schaubild eines Verschlußsystems beim Öffnen, und
Fig. 10
das Wiederverschließen des Behälters, nach den Fig. 7, 8 und 9, wobei hier auch die Möglichkeit dargestellt ist, mehrere Behälter übereinander zu stapeln.
Showing:
Fig. 1
a perspective view of a package in the form of a Container with a closure system according to the invention in the closed state,
Fig. 2
another perspective view of the packaging Fig. 1 showing the principle of opening the system,
Fig. 3
a representation of the reclosure of the container,
Fig. 4
a detailed view of the closure system in the closed state,
Fig. 5
a detailed representation of the closure system in the open state,
Fig. 6
a further detailed representation of the closure system in the reclosed state,
Fig. 7
a perspective view of another embodiment of the invention, in which the rigid part is formed by injection of the plastic through the IML film,
Fig. 8
a view of the bottom of the closure system Fig. 7 .
Fig. 9
a diagram of a closure system when opening, and
Fig. 10
resealing the container, after the Fig. 7, 8 and 9 , which also shows the possibility of stacking several containers one above the other.

Die Erfindung ist auf jede Art von Verpackung aus starrem oder halbstarrem Material anwendbar, wobei der Behälter beliebige Formen aufweisen kann, aber einen um die Entnahmeöffnung umlaufenden, flachen Rand aufweist, der als Siegelrand geeignet ist. Dieser Behälter wird mit (R) bezeichnet, die Behälteröffnung mit (0).The invention is applicable to any type of packaging of rigid or semi-rigid material, wherein the container may have any shape, but one around the Removal opening has circumferential, flat edge, which is suitable as a sealing edge. This container is designated (R), the container opening with (0).

Erfindungsgemäß wird die Öffnung (0) des Behältnisses (R) durch einen starren Teil (1), der mit einer IML Folie (2) verbunden ist und die zusammen einen Deckel bilden, verschlossen.According to the invention, the opening (0) of the container (R) is closed by a rigid part (1) which is connected to an IML film (2) and together form a lid.

Für einen Fachmann ist es geläufig, daß unter der Bezeichnung IML (In-Mould-Labelling), eine Folie bezeichnet ist, die meistens vorbedruckt in eine Tiefzieh- oder Spritzguß-Form eingelegt wird und dann weiteres Material eingespritzt oder tiefgezogen wird. Die Verbindung zwischen der eingelegten Folie und dem weiteren Material erfolgt durch partielles Aufschmelzen der Kunststoffmaterialien. Die IML Folie weist ganz oder teilweise die Bedruckungen oder Beschriftungen auf, die auf dem fertigen Produkt vorgesehen sein sollen. Hierbei sind Hinweise auf den Inhalt der Verpackung denkbar.For a person skilled in the art, it is common knowledge that under the name IML (in-mold labeling), a film is designated, which is usually pre-printed in a thermoformed or injection-molded mold and then injected or deep drawn further material. The connection between the inserted foil and the further material takes place by partial melting of the plastic materials. The IML film has all or part of the imprints or labels intended to be printed on the finished product. Here are hints on the contents of the packaging conceivable.

Es ist aber auch denkbar, daß eine unbedruckte Folie eingesetzt wird.But it is also conceivable that an unprinted film is used.

Einem Fachmann ist es ebenfalls geläufig, daß eine IML-Folie als Deckelfolie genutzt werden kann, Öffnungen oder Schwächungslinien aufweisen kann und das zweite Material die IML-Folie ganz oder teilweise bedecken kann. Auch die Verbindung zweier IML-Folien ist denkbar.It is also known to a person skilled in the art that an IML film can be used as cover film, can have openings or lines of weakness, and the second material can completely or partially cover the IML film. The connection of two IML films is conceivable.

Unter diesen Voraussetzungen wird der starre Teil (1) derart ausgebildet, daß dieser einen Rahmen oder einen nicht dargestellten Flansch bildet, der umlaufend ausgebildet ist und keine volle Oberfläche bildet. Der starre Teil (1) korrespondiert zur Öffnung (0) des Behälters (R) und zentriert in dieser.Under these conditions, the rigid part (1) is formed such that it forms a frame or a flange, not shown, which is formed circumferentially and does not form a full surface. The rigid part (1) corresponds to the opening (0) of the container (R) and centered in this.

Der starre Teil (1) ist durch Einspritzung von Kunststoffmaterial auf die IML- Folie (2) gebildet.The rigid part (1) is formed by injecting plastic material onto the IML film (2).

Die IML-Folie (2) ragt über den starren Teil (1) nach außen hinaus und bildet so eine Befestigungszone (2a), für eine Verbindung mit einem Rand (R1) des Behälters R. Durch die Verbindung der Befestigungszone (2a) mit dem Rand (R1) wird die Öffnung (0) des Behältnisses dicht verschlossen. Die Verbindung wird in diesem Ausführungsbeispiel durch Siegeln hergestellt, wobei auch Schweißen, Kleben oder ein gleichwertiges Verfahren denkbar ist.The IML film (2) projects outwardly beyond the rigid part (1) to form a fastening zone (2a) for connection to an edge (R1) of the container R. By connecting the fastening zone (2a) to the Edge (R1), the opening (0) of the container is sealed. The connection is made in this embodiment by sealing, with welding, gluing or equivalent method is conceivable.

Der IML Film (2) verschließt so das Behältnis als Deckel, wie dies in den Fig. 1 und 4 dargestellt ist.The IML film (2) closes the container as a lid, as in the Fig. 1 and 4 is shown.

Im verschlossenen Zustand ist die Verpackung gas- und wasserdicht. Der starre Teil (1) ist dabei in der Öffnung (0) des Behältnisses zentriert angeordnet. Dabei ist zu beachten, daß der starre Teil (1) eine periphere Stützzone aufweist, die auf dem Rand (R1) aufzuliegen vermag und so den Deckel in Position hält.When closed, the packaging is gas and water proof. The rigid part (1) is arranged centered in the opening (0) of the container. It should be noted that the rigid part (1) has a peripheral support zone which is able to rest on the edge (R1) and thus holds the lid in position.

Weiterhin weist der IML Film (2) eine Schwächungslinie (2c) auf, die zwischen dem starren Teil (1) und der Befestigunszone2a angeordnet ist und die mit der Öffnung (0) des Behältnisses korrespondiert.Further, the IML film (2) has a weakening line (2c) interposed between the rigid part (1) and the fastening zone 2a and which corresponds to the opening (0) of the container.

Hierdurch wird eine abhebbare Zone (2b) der IML Folie (2) gebildet, die mit einer Grifflasche (3) ausgerüstet ist, an der die abhebbare Zone (2b) erfasst werden kann.In this way, a lift-off zone (2b) of the IML film (2) is formed, which is equipped with a grip tab (3), on which the lift-off zone (2b) can be detected.

Die Grifflasche (3) kann dabei integraler Bestandteil der Folie (2) oder auf diese aufgesetzt sein.The grip tab (3) can be an integral part of the film (2) or placed on this.

Es ist aber auch denkbar, daß die Grifflasche (3) Bestandteil des starren Teils (1) ist.But it is also conceivable that the grip tab (3) is part of the rigid part (1).

Die abhebbare Zone (2b) umfasst damit den inneren Teil der IML-Folie (2) und den starren Teil (1) des Deckels. Diese beiden zusammen können nach Entnahme von Inhalt aus dem Behältnis wieder in die Öffnung (0) eingesetzt werden, um diese wieder zu verschließen.The lift-off zone (2b) thus comprises the inner part of the IML film (2) and the rigid part (1) of the lid. These two together can be used after removal of content from the container back into the opening (0) to this again to close.

Der starre Teil (1) wird durch Injection-Moulding auf der Unterseite der IML-Folie 2 gebildet, wobei es auch denkbar ist, daß die Einspritzung seitlich oder durch den IML-Film hindurch erfolgt. Der IML-Film kann dazu entsprechende Öffnungen oder Schwächungen aufweisen.The rigid part (1) is formed by injection-molding on the underside of the IML film 2, wherein it is also conceivable that the injection takes place laterally or through the IML film. The IML film may have corresponding openings or weakenings.

Eine Ausgestaltung bei der zumindest der Hauptteil des starren Teils (1) auf der IML Folie (2) angeordnet ist, ist in Figur 7 dargestellt. In Figur 8 ist dagegen die Unterseite der IML Folie (2) einer Variante dargestellt, bei der das starre Teil (1) auf beiden Seiten der IML Folie Teile aufweist.An embodiment in which at least the main part of the rigid part (1) is arranged on the IML film (2) is shown in FIG FIG. 7 shown. In FIG. 8 On the other hand, the underside of the IML film (2) of a variant is shown in which the rigid part (1) has parts on both sides of the IML film.

Das erfindungsgemäße Verschlußsystem ersetzt so einen bekannten Deckel und eine Deckelfolie.The closure system according to the invention thus replaces a known lid and a cover foil.

In den Figuren 1 und 4 wird die Öffnung des wasser- und gasdichten Behältnisses aufgezeigt.In the FIGS. 1 and 4 the opening of the water- and gas-tight container is shown.

Mit der IML-Folie (2) ist die Verpackung luft- und wasserdicht verschlossen, indem dieser auf dem Rand (R1) aufgesiegelt ist, der die Öffnung (0) des Behältnisses umgibt.With the IML film (2), the packaging is sealed airtight and watertight by being sealed on the edge (R1) surrounding the opening (0) of the container.

Zum Öffnen des Behälters genügt es, an der Grifflasche (3) zu ziehen, um die Zone (2b) (Figuren 2 und 5) herauszulösen.To open the container, it is sufficient to pull on the grip tab (3) to move the zone (2b) ( Figures 2 and 5 ).

Diese abhebbare Zone (2b), die durch den starren Teil (1) unterstützt ist, bildet zusammen den Deckel, der wieder in die Öffnung (0) eingesetzt werden kann (Figuren 3 und 6).This lift-off zone (2b), which is supported by the rigid part (1), together forms the cover, which can be reinserted into the opening (0) ( FIGS. 3 and 6 ).

Dadurch ermöglicht das erfindungsgemäße System ein sehr gutes Schutzniveau des Inhaltes des Behältnisses durch Wiederverschließbarkeit.As a result, the system according to the invention allows a very good level of protection of the contents of the container by reclosability.

Zudem ist der Kraftaufwand zum Öffnen des Deckels vergleichsweise gering. Ein versehentliches Einreißen der Deckelfolie kann durch die darunter liegende Verstärkung des starren Teils (1) ebenfalls nicht erfolgen.In addition, the force required to open the lid is comparatively low. An accidental tearing of the lidding film can not be done by the underlying reinforcement of the rigid part (1) also.

Desweiteren wird im Vergleich zu einer Kombination aus Deckel und Deckelfolie Material eingespart.Furthermore, material is saved compared to a combination of lid and lid film.

Die Erfindung ist auch nicht auf den Einsatz einer bedruckten IML-Folie beschränkt. Vielmehr wird hier der Begriff IML-Folie zur Charakterisierung einer Folie verwendet, die mit einem starren Teil verbunden sein kann.The invention is not limited to the use of a printed IML film. Rather, the term IML film is used here to characterize a film which may be connected to a rigid part.

Es ist in diesem Zusammenhang auch denkbar, daß die Verbindung zwischen der Folie und dem starren Teil (1) durch Kleben oder auch durch andere Verbindungsverfahren erfolgt.It is also conceivable in this connection that the connection between the film and the rigid part (1) takes place by gluing or by other joining methods.

Die Verbindung zwischen Folie (2) und starrem Teil (1) muss auch nicht vollflächig vorgesehen sein. Partielle Verbindungen reichen oftmals aus.The connection between film (2) and rigid part (1) does not have to be provided over the entire surface. Partial connections are often enough.

In den Figuren 7 und 10 sind nach innen ragende Ansätze (5) am starren Teil (1) gezeigt, auf denen sich der Boden eines weiteren, auf einem ersten Behältnis gestapelten Behältnisses abstützen kann. Das Gewicht darauffolgender Behältnisse kann so nicht zur Beschädigung der vergleichsweise dünnen IML Folie (2) führen, da diese nicht belastet wird.In the FIGS. 7 and 10 are shown inwardly projecting lugs (5) on the rigid part (1), on which the bottom of another container stacked on a first container can be supported. The weight of subsequent containers can not cause damage to the comparatively thin IML film (2), since it is not loaded.

Claims (12)

  1. Closure system for closing the opening (O) of a container (R), wherein the closure system consists of a rigid part (1), which forms a frame, and a flexible part (2), which is arranged thereon and which is formed from a plastics material foil, wherein the flexible part (2) covers the opening not closed by the rigid part (1), characterised in that at least a part of the outer profile of the rigid part (1) corresponds with the inner profile of the opening (O) of the container (R) and thus is centred in the container.
  2. Closure system according to claim 1, characterised in that an IML (In-Mould-Labelling) foil is used as plastics material foil.
  3. Closure system according to claim 1 or 2, characterised in that the plastics material foil projects outwardly beyond the rigid part (1) and can be sealed, welded or glued there to a rim (R1) surrounding the opening (O) of the container.
  4. Closure system according to any one of the preceding claims, characterised in that the flexible part (2) has in correspondence with the inner profile of the opening (O) of the container a weakening line which divides the flexible part (2) into a part (2a) fixed to the container and a part (2b) which can be lifted off.
  5. Closure system according to claim 4, characterised in that a grip tongue (3) for easier opening of the container is provided, wherein the grip tongue (3) can be arranged at the liftable part (2b).
  6. Closure system according to claim 4 or 5, characterised in that the liftable part (2b) is formed by the rigid part (1) and a portion of the flexible part (2).
  7. Closure system according to claim 4, 5 or 6, characterised in that the liftable part (2b) is constructed to be reinsertable into the opening (O) for re-closing of the container.
  8. Closure system according to any one of the preceding claims, characterised in that the rigid part (1) has an outwardly projecting support zone which can be supported at the opening (O) and/or at the rim (R1) of the container and in that case is constructed be at least partially encircling and can be formed as a collar.
  9. Closure system according to any one of the preceding claims, characterised in that the rigid part (1) is formed by injection-moulding of plastics material on the foil, through the foil or by a method at both sides.
  10. Closure system according to any one of the preceding claims, characterised in that the rigid part (1) has been separately produced and subsequently connected with the cover foil (2), wherein sealing, welding, glueing or the like is conceivable for the connection.
  11. Closure system according to any one of the preceding claims, characterised in that the rigid part (1) is partially or completely connected with the cover foil (2).
  12. Closure system according to any one of the preceding claims, characterised in that the rigid part (1) is arranged on the lower side, the upper side or on both sides of the cover foil (2).
EP12152023.3A 2011-01-21 2012-01-21 System for closing a opening of a container Active EP2479120B1 (en)

Priority Applications (1)

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PL12152023T PL2479120T3 (en) 2011-01-21 2012-01-21 System for closing a opening of a container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1150475A FR2970705B1 (en) 2011-01-21 2011-01-21 SHUTTERING SYSTEM FOR OPENING A CONTAINER

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EP2479120B1 true EP2479120B1 (en) 2015-08-19

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AT517369B1 (en) * 2015-07-15 2019-07-15 Medinoxx Gmbh Container and bandage from a number of containers

Citations (1)

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Publication number Priority date Publication date Assignee Title
WO2012049668A1 (en) * 2010-10-15 2012-04-19 Develpack S.R.L. Container with repositionable closure device

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
DE2534748A1 (en) * 1975-08-04 1977-02-24 Unilever Nv Gastight food container with sealed lid - having weak outer seal between container and strong foil inner seal
US5472542A (en) * 1994-01-13 1995-12-05 Kraft Jacobs Suchard R&D, Inc. Reclosable container and a method of forming and assembling a reclosable container
DE10359035A1 (en) * 2003-12-15 2005-07-14 Huhtamaki Alf Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg Plastics beaker, for liquid or paste or solid foodstuffs or detergents, has a lid welded to the beaker edge to seal the contents and ensure tamper-proof protection
DE102006031292A1 (en) * 2006-07-03 2008-01-10 Rpc Bramlage Antwerpen N.V. Plastics container has a film label projecting over the lid edges, to lie on the upper edge of the body, to bond the lid by hot sealing when the container is filled
ATE550264T1 (en) * 2008-12-08 2012-04-15 Arta Plast Ab CONTAINER
KR101066643B1 (en) * 2009-10-28 2011-09-21 씨제이제일제당 (주) A container structure having a reclosable Cap that was heat-sealed on lid film

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Publication number Priority date Publication date Assignee Title
WO2012049668A1 (en) * 2010-10-15 2012-04-19 Develpack S.R.L. Container with repositionable closure device

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FR2970705B1 (en) 2014-03-28
FR2970705A1 (en) 2012-07-27
EP2479120A1 (en) 2012-07-25
PL2479120T3 (en) 2016-01-29

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