EP1602593B1 - Blister pack - Google Patents

Blister pack Download PDF

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Publication number
EP1602593B1
EP1602593B1 EP05011288A EP05011288A EP1602593B1 EP 1602593 B1 EP1602593 B1 EP 1602593B1 EP 05011288 A EP05011288 A EP 05011288A EP 05011288 A EP05011288 A EP 05011288A EP 1602593 B1 EP1602593 B1 EP 1602593B1
Authority
EP
European Patent Office
Prior art keywords
foil
aluminum foil
base
rupture
blister pack
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP05011288A
Other languages
German (de)
French (fr)
Other versions
EP1602593A1 (en
Inventor
Manfred Rohrmus
Günter ALBRECHT
Jörg-Uwe Bippus
Udo Guth
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.)
Romaco Pharmatechnik GmbH
Original Assignee
Romaco Pharmatechnik GmbH
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Publication date
Application filed by Romaco Pharmatechnik GmbH filed Critical Romaco Pharmatechnik GmbH
Publication of EP1602593A1 publication Critical patent/EP1602593A1/en
Application granted granted Critical
Publication of EP1602593B1 publication Critical patent/EP1602593B1/en
Not-in-force 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
    • 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
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
    • B65D75/325—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet being recessed, and the other being a flat not- rigid sheet, e.g. puncturable or peelable foil
    • B65D75/327—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet being recessed, and the other being a flat not- rigid sheet, e.g. puncturable or peelable foil and forming several compartments
    • 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
    • B65D2215/00—Child-proof means
    • B65D2215/04—Child-proof means requiring the combination of different actions in succession
    • 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
    • B65D2575/00—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
    • B65D2575/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by association or interconnecting two or more sheets or blanks
    • B65D2575/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D2575/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
    • B65D2575/3209—Details
    • B65D2575/3218—Details with special means for gaining access to the contents
    • B65D2575/3227—Cuts or weakening lines
    • 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
    • B65D2575/00—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
    • B65D2575/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by association or interconnecting two or more sheets or blanks
    • B65D2575/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D2575/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
    • B65D2575/3209—Details
    • B65D2575/3218—Details with special means for gaining access to the contents
    • B65D2575/3227—Cuts or weakening lines
    • B65D2575/3236—Cuts or weakening lines for initiating or facilitating subsequent peeling off of the non-rigid sheet
    • 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
    • B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
    • B65D2585/56—Containers, packaging elements or packages specially adapted for particular articles or materials for medicinal tablets or pills

Definitions

  • the invention relates to a blister pack according to the preamble of claim 1, which consists of a base film having at least one product receiving yard, which is closed with a push-through such that the push-through except for an unsealed area, which is bounded by a sealing edge , is firmly connected to the base film, wherein on the push-through on the side facing away from the base film Abziehfolie is applied, which is applied with a lower adhesive force on the push-through than the push-through foil is connected to the base film, and the push-through a running along a line Has perforation.
  • Such a blister pack is known for example from the document FR-A-2263945 or a leaflet "Blister Lidding" Lawson Mardon Singen GmbH.
  • a blister pack In the known blister pack, several areas of a base film, each having a trained by deep drawing yard, separated by grid-shaped perforation lines.
  • the courtyards which usually serve to receive medicaments, are closed by means of an aluminum foil sealed onto the base foil.
  • a peelable film is applied to the side facing away from the base film.
  • the peelable film is applied to the aluminum foil with a lower adhesive force than the adhesive force with which the aluminum foil is applied to the base foil. As a result, the peelable film can be removed from the aluminum foil without the aluminum foil separating from the base foil.
  • the peelable foil Although, due to the lower adhesive force with which the peelable film is applied to the aluminum foil, the peelable foil also separates from the aluminum foil, it often happens that parts of the aluminum foil stick to the peelable foil starting from the seal-free area. As a rule, the parts which adhere to the peelable film have the shape of a wedge. Thus, this wedge does not extend to the courts, whereby the closure of the courtyards would be damaged and the product would be at least partially exposed, the distance between the courts and the seal-free areas must be made correspondingly large. However, this is disadvantageous, as a result, the packaging is undesirably large.
  • a blister pack consisting of a base film having at least one product receiving yard closed with a push-through film such that the push-through film is fixed to the base film except for an unsealed area bounded by a sealing edge is connected, wherein on the push-through on the side facing away from the base film, a release film is applied, which is applied with a lower adhesive force on the push-through than the push-through is connected to the base film, and the push-through has a perforation along a line perforation, characterized in that the perforation line coincides with the sealing edge.
  • An embodiment of the invention has proven to be very advantageous in which the perforation has been produced when the push-through film is joined to the base film. This further increases the reliability that the push-through foil breaks off at the perforation line. This may be due to the fact that the perforation occurs at a time when the connection of the push-through film to the base film has not yet been completed.
  • a blister pack has ten courtyards 2, which are each arranged in a region 9 of the blister pack separated by perforation lines 7.
  • the blister pack consists of a base film 1, in which the products 2a receiving a court 2 are formed by deep drawing.
  • the courtyards 2 are closed with an aluminum foil formed as a push-through foil 3. This is done by heating a heat sealing lacquer 8, which is arranged between the base film 1 and the aluminum foil 3.
  • a plastic film designed as a peel-off film 4 is applied to the side facing away from the base film 1.
  • the adhesive force by means of which the plastic film 4 is applied to the aluminum foil 3, is less than the adhesive force with which the aluminum foil is applied to the base film 1. As a result, the plastic film 4 can be removed from the aluminum foil 3, without the aluminum foil 3 being detached from the base foil 1.
  • the aluminum foil 3 is perforated.
  • the perforation was made in the sealing station, in which the aluminum foil 3 was connected to the base film 1, wherein the base film 1, the heat sealing lacquer 8 and the aluminum foil 3 were still warm at the perforation.
  • the aluminum foil 3 and the associated plastic film 4 can be easily grasped with the fingers.
  • the aluminum foil 3 is torn off exactly at the sealing edge 6, since the aluminum foil 3 was perforated at this point.
  • the aluminum foil 3 only adheres to the plastic foil 4 in its unsealed area 5. Outside the unsealed area 5, the base film 1 is completely covered by the aluminum foil 3, so that the cover of the yard 2 is intact.

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  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Basic Packing Technique (AREA)

Abstract

The blister packaging unit (I) is provided with perforation lines (10) which coincide with the edge (6) of the sealed area of an aluminum press-through foil. The adhesion between a cover foil and the aluminum foil is weaker than the adhesion between the aluminum foil and a base foil with blisters (2) for the packaged product.

Description

Die Erfindung betrifft eine Blisterpackung nach dem Oberbegriff des Anspruchs 1, welche aus einer Grundfolie besteht, welche wenigstens einen ein Produkt aufnehmenden Hof aufweist, welcher mit einer Durchdrückfolie derart verschlossen ist, dass die Durchdrückfolie bis auf einen ungesiegelten Bereich, der durch einen Siegelrand begrenzt wird, fest mit der Grundfolie verbunden ist, wobei auf der Durchdrückfolie an der der Grundfolie abgewandten Seite eine Abziehfolie aufgebracht ist, welche mit einer geringeren Haftkraft auf der Durchdrückfolie aufgebracht ist als die Durchdrückfolie mit der Grundfolie verbunden ist, und die Durchdrückfolie eine entlang einer Linie verlaufende Perforierung aufweist.The invention relates to a blister pack according to the preamble of claim 1, which consists of a base film having at least one product receiving yard, which is closed with a push-through such that the push-through except for an unsealed area, which is bounded by a sealing edge , is firmly connected to the base film, wherein on the push-through on the side facing away from the base film Abziehfolie is applied, which is applied with a lower adhesive force on the push-through than the push-through foil is connected to the base film, and the push-through a running along a line Has perforation.

Eine derartige Blisterpackung ist beispielsweise aus dem Dokument FR-A-2263945 oder einem Prospekt "Blister Lidding" der Firma Lawson Mardon Singen GmbH bekannt. Bei der bekannten Blisterpackung sind mehrere Bereiche einer Grundfolie, welche jeweils einen durch Tiefziehen ausgebildeten Hof aufweisen, durch gitterförmig angeordnete Perforationslinien voneinander getrennt. Die Höfe, welche in der Regel der Aufnahme von Medikamenten dienen, sind mittels einer auf der Grundfolie aufgesiegelten Aluminiumfolie verschlossen. Auf die Aluminiumfolie ist an der der Grundfolie abgewandten Seite eine abziehbare Folie aufgebracht.Such a blister pack is known for example from the document FR-A-2263945 or a leaflet "Blister Lidding" Lawson Mardon Singen GmbH. In the known blister pack, several areas of a base film, each having a trained by deep drawing yard, separated by grid-shaped perforation lines. The courtyards, which usually serve to receive medicaments, are closed by means of an aluminum foil sealed onto the base foil. On the aluminum foil, a peelable film is applied to the side facing away from the base film.

An den Kreuzungspunkten der Perforationslinien sind kreisförmige Bereiche ausgebildet, in denen die Aluminiumfolie nicht mit der Grundfolie verbunden ist. In diesen so genannten siegelfreien Bereichen haftet die Aluminiumfolie somit nicht auf der Grundfolie, so dass sie und die auf ihr angebrachte abziehbare Folie mit den Fingern fassbar sind.At the crossing points of the perforation lines, circular regions are formed, in which the aluminum foil is not connected to the base film. In these so-called seal-free areas, the aluminum foil thus does not adhere to the base foil so that it and the peelable foil attached to it can be grasped with the fingers.

Die abziehbare Folie ist mit einer geringeren Haftkraft auf der Aluminiumfolie aufgebracht, als die Haftkraft, mit der die Aluminiumfolie auf der Grundfolie aufgebracht ist. Hierdurch lässt sich die abziehbare Folie von der Aluminiumfolie abziehen, ohne dass sich die Aluminiumfolie von der Grundfolie löst.The peelable film is applied to the aluminum foil with a lower adhesive force than the adhesive force with which the aluminum foil is applied to the base foil. As a result, the peelable film can be removed from the aluminum foil without the aluminum foil separating from the base foil.

Da die Aluminiumfolie und die abziehbare Folie so bemessen sind, dass sich die in den Höfen befindlichen Produkte erst dann durch die Aluminiumfolie drücken lassen, wenn die abziehbare Folie entfernt ist, ist die Entnahme der Produkte aus der Blisterpackung erschwert. Derart ausgebildete Blisterpackungen werden daher kindersichere Blisterpackungen genannt.Since the aluminum foil and the peelable film are sized so that the products located in the courts can only be pushed through the aluminum foil when the peelable film is removed, the removal of the products from the blister pack is difficult. Such trained blister packs are therefore called child-resistant blister packs.

Wenngleich durch die geringere Haftkraft, mit der die abziehbare Folie auf der Aluminiumfolie aufgebracht ist, sich die abziehbare Folie auch von der Aluminiumfolie löst, so geschieht es häufig, dass ausgehend von dem siegelfreien Bereich Teile der Aluminiumfolie an der abziehbaren Folie haften bleiben. In der Regel haben die Teile, die an der abziehbaren Folie haften bleiben, die Form eines Keils. Damit sich dieser Keil nicht bis zu den Höfen erstreckt, wodurch der Verschluss der Höfe beschädigt würde und das Produkt zumindest teilweise freigelegt wäre, muss der Abstand zwischen den Höfen und den siegelfreien Bereichen entsprechend groß ausgebildet sein. Dies ist jedoch nachteilig, da hierdurch die Verpackung unerwünscht groß wird.Although, due to the lower adhesive force with which the peelable film is applied to the aluminum foil, the peelable foil also separates from the aluminum foil, it often happens that parts of the aluminum foil stick to the peelable foil starting from the seal-free area. As a rule, the parts which adhere to the peelable film have the shape of a wedge. Thus, this wedge does not extend to the courts, whereby the closure of the courtyards would be damaged and the product would be at least partially exposed, the distance between the courts and the seal-free areas must be made correspondingly large. However, this is disadvantageous, as a result, the packaging is undesirably large.

Um dem zu begegnen ist man dazu übergegangen, zwischen den siegelfreien Zonen und den Höfen die Aluminiumfolie entlang einer Linie zu perforieren. Hierdurch soll erreicht werden, dass sich der Abrisskeil lediglich bis zur Perforationslinie erstreckt und dort unterbrochen wird. Hierdurch lässt sich der Abstand zwischen den siegelfreien Zonen und den Höfen zwar verringern, wodurch die Packung kleiner wird, jedoch hat sich gezeigt, dass der Abriss an der Perforationslinie nicht immer zuverlässig erfolgt. Häufig bilden sich ausgehend von der Perforationslinie neue Abrisskeile, welche den Verschluss der Höfe beschädigen.In order to counter this, one has begun to perforate the aluminum foil along a line between the seal-free zones and the courtyards. This is intended to ensure that the demolition wedge extends only to the perforation line and is interrupted there. Although this reduces the distance between the seal-free zones and the yards, which makes the package smaller, it has been shown that the tear on the perforation line is not always reliable. Often, starting from the perforation line new demolition wedges, which damage the closure of the courtyards.

Es ist Aufgabe der Erfindung, eine eingangs genannte Blisterpackung derart auszubilden, dass ihre Größe gering ist und mit hoher Zuverlässigkeit vermieden wird, dass beim Abziehen der Abziehfolie der Verschluss der Höfe beschädigt wird.
Die Lösung dieser Aufgabe ergibt sich aus den Merkmalen des kennzeichnenden Teils des Anspruchs 1. Vorteilhafte Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen.It is an object of the invention to form a blister pack mentioned above in such a way that its size is low and is avoided with high reliability that when removing the peel-off the closure of the courtyards is damaged.
The solution of this problem arises from the features of the characterizing part of claim 1. Advantageous developments of the invention will become apparent from the dependent claims.

Gemäß der Erfindung ist eine Blisterpackung, welche aus einer Grundfolie besteht, welche wenigstens einen ein Produkt aufnehmenden Hof aufweist, welcher mit einer Durchdrückfolie derart verschlossen ist, dass die Durchdrückfolie bis auf einen ungesiegelten Bereich, der durch einen Siegelrand begrenzt wird, fest mit der Grundfolie verbunden ist, wobei auf der Durchdrückfolie an der der Grundfolie abgewandten Seite eine Abziehfolie aufgebracht ist, welche mit einer geringeren Haftkraft auf der Durchdrückfolie aufgebracht ist als die Durchdrückfolie mit der Grundfolie verbunden ist, und die Durchdrückfolie eine entlang einer Perforationslinie verlaufende Perforierung aufweist, dadurch gekennzeichnet, dass die Perforationslinie mit dem Siegelrand übereinstimmt.According to the invention, a blister pack consisting of a base film having at least one product receiving yard closed with a push-through film such that the push-through film is fixed to the base film except for an unsealed area bounded by a sealing edge is connected, wherein on the push-through on the side facing away from the base film, a release film is applied, which is applied with a lower adhesive force on the push-through than the push-through is connected to the base film, and the push-through has a perforation along a line perforation, characterized in that the perforation line coincides with the sealing edge.

Es hat sich gezeigt, dass dadurch, dass die Perforationslinie mit dem Siegelrand übereinstimmt, nahezu ausschließlich keine Abrisskeile mehr entstehen. Hierdurch wird in vorteilhafter Weise erreicht, dass der Abstand zwischen der siegelfreien Zone, welche eine beliebige Form haben und beispielsweise rund, dreieckig oder rechteckig sein kann, und dem betreffenden Hof nicht mehr sehr groß zu sein braucht. Dies wiederum hat in vorteilhafter Weise zur Folge, dass die erfindungsgemäße Blisterpackung sehr klein ausgebildet sein kann.It has been shown that the fact that the perforation coincides with the sealing edge, almost exclusively no more demolition wedges arise. As a result, it is advantageously achieved that the distance between the seal-free zone, which has an arbitrary shape and can be, for example, round, triangular or rectangular, and the respective yard no longer needs to be very large. This in turn has the consequence that the blister pack according to the invention can be made very small.

Sehr vorteilhaft ist aber insbesondere, dass dadurch, dass keine beziehungsweise lediglich sehr kleine Abrisskeile mehr entstehen, die Gefahr, dass der Verschluss eines Hofes beschädigt wird, nicht mehr besteht.However, it is particularly advantageous that the fact that no or only very small demolition wedges arise more, the risk that the closure of a yard is damaged, no longer exists.

Als sehr vorteilhaft hat sich auch eine Ausführungsform der Erfindung herausgestellt, bei der die Perforierung beim Verbinden der Durchdrückfolie mit der Grundfolie hergestellt wurde. Hierdurch wird die Zuverlässigkeit, dass die Durchdrückfolie an der Perforationslinie abreißt, nochmals erhöht. Dies dürfte darauf zurückzuführen sein, dass die Perforierung zu einem Zeitpunkt geschieht, zu dem das Herstellen der Verbindung der Durchdrückfolie mit der Grundfolie noch nicht abgeschlossen ist.An embodiment of the invention has proven to be very advantageous in which the perforation has been produced when the push-through film is joined to the base film. This further increases the reliability that the push-through foil breaks off at the perforation line. This may be due to the fact that the perforation occurs at a time when the connection of the push-through film to the base film has not yet been completed.

Weitere Einzelheiten, Merkmale und Vorteile der vorliegenden Erfindung ergeben sich aus der nachfolgenden Beschreibung eines besonderen Ausführungsbeispiels unter Bezugnahme auf die Zeichnung.Further details, features and advantages of the present invention will become apparent from the following description of a particular embodiment with reference to the drawings.

Es zeigt

Figur 1
eine erfindungsgemäße Blisterpackung mit zehn durch Perforationslinien getrennten Bereichen,
Figur 2
einen Schnitt entlang der Linie A-A in Figur 1 und
Figur 3
einen entlang der Perforationslinien abgetrennten Bereich aus Figur 1 mit einem Hof und teilweise abgezogener Abziehfolie.
It shows
FIG. 1
a blister pack according to the invention with ten areas separated by perforation lines,
FIG. 2
a section along the line AA in Figure 1 and
FIG. 3
a separated along the perforation region of Figure 1 with a yard and partially peeled release liner.

Wie Figur 1 entnommen werden kann, weist eine Blisterpackung zehn Höfe 2 auf, welche jeweils in einem durch Perforationslinien 7 abgetrennten Bereich 9 der Blisterpackung angeordnet sind.As can be seen from FIG. 1, a blister pack has ten courtyards 2, which are each arranged in a region 9 of the blister pack separated by perforation lines 7.

Wie Figur 2 entnommen werden kann, besteht die Blisterpackung aus einer Grundfolie 1, in welcher die ein Produkt 2a aufnehmenden Höfe 2 durch Tiefziehen ausgebildet sind.As can be seen from Figure 2, the blister pack consists of a base film 1, in which the products 2a receiving a court 2 are formed by deep drawing.

Die Höfe 2 sind mit einer als Durchdrückfolie 3 ausgebildeten Aluminiumfolie verschlossen. Dies geschieht durch Erwärmung eines Heißsiegellacks 8, welcher zwischen der Grundfolie 1 und der Aluminiumfolie 3 angeordnet ist.The courtyards 2 are closed with an aluminum foil formed as a push-through foil 3. This is done by heating a heat sealing lacquer 8, which is arranged between the base film 1 and the aluminum foil 3.

Auf der Aluminiumfolie 3 ist an der der Grundfolie 1 abgewandten Seite eine als Abziehfolie 4 ausgebildete Kunststoff-Folie aufgebracht.On the aluminum foil 3, a plastic film designed as a peel-off film 4 is applied to the side facing away from the base film 1.

Die Haftkraft, mittels der die Kunststoff-Folie 4 auf der Aluminiumfolie 3 aufgebracht ist, ist geringer als die Haftkraft, mit der die Aluminiumfolie auf der Grundfolie 1 aufgebracht ist. Hierdurch lässt sich die Kunststoff-Folie 4 von der Aluminiumfolie 3 abziehen, ohne dass dadurch die Aluminiumfolie 3 von der Grundfolie 1 gelöst wird.The adhesive force by means of which the plastic film 4 is applied to the aluminum foil 3, is less than the adhesive force with which the aluminum foil is applied to the base film 1. As a result, the plastic film 4 can be removed from the aluminum foil 3, without the aluminum foil 3 being detached from the base foil 1.

Wie Figur 1 entnommen werden kann, sind an den Kreuzungspunkten der Perforationslinien 7 kreisförmige Bereiche 5 ausgebildet, in denen kein Heißsiegellack 8 vorhanden ist, so dass die Aluminiumfolie 3 nicht mit der Grundfolie 1 verbunden ist. Es bildet sich somit ein Rand 6 aus, an dem die Siegelung der Aluminiumfolie 3 mit der Grundfolie 1 aufhört.As can be seen from FIG. 1, at the points of intersection of the perforation lines 7, circular regions 5 are formed, in which no heat sealing lacquer 8 is present, so that the aluminum foil 3 is not connected to the base foil 1. Thus, an edge 6 is formed, at which the sealing of the aluminum foil 3 with the base film 1 stops.

Trennt man entlang der Perforationslinien 7 einen Bereich 9 mit einem Hof 2 vom restlichen Teil der Blisterpackung ab, ist somit, wie Figur 3 entnommen werden kann, wenigstens an einer Ecke dieses Bereichs ein Teil des ungesiegelten Bereichs 5 vorhanden. Entlang des Randes 6 des ungesiegelten Bereichs 5 ist die Aluminiumfolie 3 perforiert. Die Perforierung wurde in der Siegelstation vorgenommen, in der die Aluminiumfolie 3 mit der Grundfolie 1 verbunden wurde, wobei die Grundfolie 1, der Heißsiegellack 8 und die Aluminiumfolie 3 bei der Perforation noch warm waren.If one separates along the perforation lines 7 a region 9 with a yard 2 from the remaining part of the blister pack, then, as can be seen in FIG. 3, at least at one corner of this region a part of the unsealed region 5 is present. Along the edge 6 of the unsealed area 5, the aluminum foil 3 is perforated. The perforation was made in the sealing station, in which the aluminum foil 3 was connected to the base film 1, wherein the base film 1, the heat sealing lacquer 8 and the aluminum foil 3 were still warm at the perforation.

An dem ungesiegelten Bereich 5 lassen sich die Aluminiumfolie 3 und die damit verbundene Kunststoff-Folie 4 leicht mit den Fingern fassen. Wie insbesondere Figur 3 entnommen werden kann, erfolgt beim Abziehen der Kunststoff-Folie 4 ein Abriss der Aluminiumfolie 3 exakt an dem Siegelrand 6, da die Aluminiumfolie 3 an dieser Stelle perforiert war. Die Aluminiumfolie 3 bleibt lediglich in ihrem ungesiegelten Bereich 5 an der Kunststoff-Folie 4 haften. Außerhalb des ungesiegelten Bereichs 5 wird die Grundfolie 1 vollständig von der Aluminiumfolie 3 überdeckt, so dass die Abdeckung des Hofs 2 unversehrt ist.At the unsealed area 5, the aluminum foil 3 and the associated plastic film 4 can be easily grasped with the fingers. As can be seen in particular from FIG. 3, when the plastic film 4 is pulled off, the aluminum foil 3 is torn off exactly at the sealing edge 6, since the aluminum foil 3 was perforated at this point. The aluminum foil 3 only adheres to the plastic foil 4 in its unsealed area 5. Outside the unsealed area 5, the base film 1 is completely covered by the aluminum foil 3, so that the cover of the yard 2 is intact.

Claims (2)

  1. Blister pack comprising a base foil (1) having at least one chamber (2) for receiving a product, said chamber being closed by a rupture foil (3) such that the rupture foil (3) is firmly connected to the base foil (1) except for an unsealed area (5) which is delimited by a seal edge (6), whereby a tear-off foil (4) is applied to the rupture foil (3) on the side facing away from the base foil (1), said tear-off foil being attached to the rupture foil (3) with a retaining force which is smaller than the force with which the rupture foil (3) is attached to the base foil (1) and the rupture foil (3) has perforations running along a perforation line (6), characterised in that the perforation line (6) coincides with the seal edge (6).
  2. Blister pack according to claim 1, characterised in that the perforations of the rupture foil (3) along the seal edge (6) are formed during the joining of the rupture foil (3) to the base foil (1).
EP05011288A 2004-06-05 2005-05-25 Blister pack Not-in-force EP1602593B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004027590A DE102004027590B3 (en) 2004-06-05 2004-06-05 blister
DE102004027590 2004-06-05

Publications (2)

Publication Number Publication Date
EP1602593A1 EP1602593A1 (en) 2005-12-07
EP1602593B1 true EP1602593B1 (en) 2006-08-16

Family

ID=34936904

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05011288A Not-in-force EP1602593B1 (en) 2004-06-05 2005-05-25 Blister pack

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Country Link
US (1) US7121410B2 (en)
EP (1) EP1602593B1 (en)
AT (1) ATE336440T1 (en)
DE (2) DE102004027590B3 (en)

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US8006468B2 (en) 2008-04-14 2011-08-30 Countlab Inc. Container filling machine having vibration trays
US9434487B2 (en) 2011-09-30 2016-09-06 Countlab, Inc Container filling machine

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Also Published As

Publication number Publication date
US20050269236A1 (en) 2005-12-08
EP1602593A1 (en) 2005-12-07
ATE336440T1 (en) 2006-09-15
DE502005000059D1 (en) 2006-09-28
DE102004027590B3 (en) 2005-11-17
US7121410B2 (en) 2006-10-17

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