EP0492380B1 - Pouch for fluent or paste products - Google Patents

Pouch for fluent or paste products Download PDF

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Publication number
EP0492380B1
EP0492380B1 EP91121670A EP91121670A EP0492380B1 EP 0492380 B1 EP0492380 B1 EP 0492380B1 EP 91121670 A EP91121670 A EP 91121670A EP 91121670 A EP91121670 A EP 91121670A EP 0492380 B1 EP0492380 B1 EP 0492380B1
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EP
European Patent Office
Prior art keywords
sachet
opening flap
bag
retaining slot
disposed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP91121670A
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German (de)
French (fr)
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EP0492380A1 (en
Inventor
Rodney Haydn Imer
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Individual
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Individual
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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
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5816—Opening or contents-removing devices added or incorporated during package manufacture for tearing a corner or other small portion next to the edge, e.g. a U-shaped portion
    • B65D75/5822—Opening or contents-removing devices added or incorporated during package manufacture for tearing a corner or other small portion next to the edge, e.g. a U-shaped portion and defining, after tearing, a small dispensing spout, a small orifice or the like
    • 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
    • B65D2575/52—Details
    • B65D2575/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D2575/586—Opening or contents-removing devices added or incorporated during package manufacture with means for reclosing
    • 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
    • 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
    • Y10S383/906—Dispensing feature

Definitions

  • the invention relates to a bag, in particular a contour bag, for holding liquid or pasty substances, consisting of two sections of flexible film-like material arranged essentially parallel to each other with a predetermined outer contour, which are sealingly connected to one another at least at their edges and one with the liquid between them or pasty material fillable interior space, a part of this interior being designed as a narrow outlet channel running towards the edge of the bag, which is closed by a tear-off closure and which is arranged at least over part of its length in an opening tab protruding from the outer contour of the bag , wherein a fold line is arranged in the attachment area of the opening flap on the body of the bag and in the body of the bag there is arranged a holding slot which passes from one side surface to the other side surface and is sealed off from the interior whose width is adapted to the thickness of the opening flap and whose position on the body of the bag is such that the folded-over opening flap can be pulled through at least part of its length through the retaining slot.
  • a fold line is arranged
  • Such a bag is described for example in GB-A 1 296 216.
  • the known bag has essentially triangular shaped opening flaps and the fold line runs at a right angle to the longitudinal direction of the opening flap.
  • Such bags constructed in the manner of a soft pack are generally used for storing and taking small amounts of liquid or pasty food or cosmetic products. It is generally known to provide such a bag with a tear-off closure so that the opening of the bag is done by pulling, tearing off or even cutting off this tear-off closure so that the contents can be pressed out or poured out. Similar contour bags are described, for example, in German utility model DE-U-81 27 806 and in German patent DE-B-31 43 671.
  • French patent FR-A-1 016 042 describes a tube-like bag made of thermoplastic material for holding liquid or pasty substances, which has at one end a narrow section provided with an outlet channel, which is folded back to close the bag and under a belt can be inserted, which is connected to the edges of the bag.
  • This known bag has the disadvantage that the closure is only liquid-tight when there is sufficient internal pressure which presses the folded-back section against the belt. The result of this is that liquid can easily escape if the bag is only half full. Another disadvantage is that the production of this known bag causes high costs.
  • a plastic bag is known from European patent application EP-A-0 370 957, which has a bag neck in which an aluminum plate is arranged. To close the bag neck is folded back in the area of this aluminum plate, the aluminum plate should hold the bag neck in the closed position.
  • EP-A-0 370 957 European patent application EP-A-0 370 957
  • This known closure is also expensive to manufacture because of the aluminum plate required and does not guarantee an absolutely tight closure of the bag.
  • Document US-A-2 942 760 finally describes a bag which essentially has the shape of a tetrahedron and which can be closed again at a corner by folding over a corner and inserting it into a slot-like holder.
  • the invention has for its object to design a bag, in particular a contour bag, with the features mentioned above so that it is inexpensive to manufacture and yet can be easily closed again after opening by the consumer in such a way that leakage of the liquid is reliably prevented becomes.
  • the bag according to the invention can be designed in any way with regard to its size, shape and outer contour and can serve as a container for the usual liquid or pasty substances which are filled into such bags.
  • FIG. 6 The body 2 which, as can be seen from FIG. 6, is composed of two sections 2.1 and 2.2 arranged essentially parallel to one another, which are made of a flexible film-like material, for example a plastic film or a plastic film coated with metal, exist and are sealingly connected to one another at their edges. Between the sections 2.1 and 2.2 is the interior 3 of the contour bag, which is a liquid or pasty substance.
  • a body 2 which, as can be seen from FIG. 6, is composed of two sections 2.1 and 2.2 arranged essentially parallel to one another, which are made of a flexible film-like material, for example a plastic film or a plastic film coated with metal, exist and are sealingly connected to one another at their edges.
  • a flexible film-like material for example a plastic film or a plastic film coated with metal
  • a strip-like opening tab 4 is connected, the mutually parallel edges and at one end has a tear-off closure designed as a tear-off piece 5 and in which a narrow outlet channel 3.1 runs, by means of which after the tear-off piece 5 is torn open end 8 is pressed out Content from the interior 3 through the outlet channel 3.1 is possible.
  • the body 2 has in its edge region a partial region 6.1, in which the two sections 2.1 and 2.2 are connected to one another in a sealing and firmly abutting manner, a holding slot 6, which in the exemplary embodiment shown runs parallel to the direction of the opening tab 4 and its length to the Width of the opening tab 4 is adapted, while its width is adapted to the thickness of the opening tab 4.
  • FIG. 2 shows the contour bag according to FIG. 1 after the tear-off piece 5 has been torn off, that is to say in the state in which its contents can be removed.
  • the contour bag is reclosed, as shown in FIG. 3, in that the opening tab 4 is arranged along a fold line 7, which is in the region of attachment of the opening tab 4 to the body 2 of the contour bag at an angle of approximately 45 ° to the longitudinal direction of the opening tab 4 , folded back onto the body 2 and the open end 8 inserted into the holding slot 6 and passed through the slot 6 until the crease of the opening flap 4 along the folding line 7 is pressed firmly together.
  • the opening tab 4 is pulled out of the holding slot 6 and returned to the original state shown in FIG. 2.
  • a pressure on the outer surfaces of sections 2.1 and 2.2 delimiting the inner space 3 causes that in turn a part of the liquid or the whole liquid which is still in the inner space 3, through the outlet channel 3.1 and the open end 8 of the opening tab 4 from the contour bag flows out.
  • the above-described process of reclosing and opening can be repeated until the contour bag has been completely emptied.
  • the contour bag shown in FIG. 4, designated overall by reference number 20, differs from the embodiment according to FIGS. 1 to 3 in that the retaining slot 60, which is also arranged here parallel to the opening tab 4 in a partial region 60.1 on the edge of the body 2 of the contour bag, extends to the edge is open, which facilitates the insertion of the opening flap 4 folded around the fold line 7 into the retaining slot 60 from the outside.
  • FIG. 5 in which the contour bag is generally designated by reference number 40, is again similar to the embodiment according to FIGS. 1 to 3, except for the fact that the holding slot 61 arranged in a partial region 61.1 on the edge of the body 2 extends at an acute angle to the longitudinal direction of the opening tab 4.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)

Description

Die Erfindung betrifft einen Beutel, insbesondere einen Konturenbeutel, zur Aufnahme flüssiger oder pastöser Stoffe, bestehend aus zwei im wesentlichen parallel zueinander angeordneten Abschnitten aus flexiblem folienartigem Material mit vorgegebener Außenkontur, die mindestens an ihren Rändern dichtend miteinander verbunden sind und zwischen sich einen mit dem flüssigen oder pastösen Stoff füllbaren Innenraum begrenzen, wobei ein Teil dieses Innenraums als schmaler, zum Rand des Beutels hin laufender Austrittskanal ausgebildet ist, der durch einen Abrißverschluß verschlossen ist und der mindestens auf einem Teil seiner Länge in einer aus der Außenkontur des Beutels herausragenden Öffnungslasche angeordnet ist, wobei im Ansatzbereich der Öffnungslasche am Körper des Beutels eine Faltlinie angeordnet ist und im Körper des Beutels ein von der einen Seitenfläche zur anderen Seitenfläche durchtretender, gegenüber dem Innenraum abgedichteter Festhalteschlitz angeordnet ist, dessen Breite an die Dicke der Öffnungslasche angepaßt ist und dessen Lage am Körper des Beutels derart ist, daß die umgefaltete Öffnungslasche durch den Festhalteschlitz mindestens auf einem Teil ihrer Länge hindurchziehbar ist.The invention relates to a bag, in particular a contour bag, for holding liquid or pasty substances, consisting of two sections of flexible film-like material arranged essentially parallel to each other with a predetermined outer contour, which are sealingly connected to one another at least at their edges and one with the liquid between them or pasty material fillable interior space, a part of this interior being designed as a narrow outlet channel running towards the edge of the bag, which is closed by a tear-off closure and which is arranged at least over part of its length in an opening tab protruding from the outer contour of the bag , wherein a fold line is arranged in the attachment area of the opening flap on the body of the bag and in the body of the bag there is arranged a holding slot which passes from one side surface to the other side surface and is sealed off from the interior whose width is adapted to the thickness of the opening flap and whose position on the body of the bag is such that the folded-over opening flap can be pulled through at least part of its length through the retaining slot.

Ein derartiger Beutel ist beispielsweise in GB - A 1 296 216 beschrieben. Der bekannte Beutel besitzt im wesentlichen dreieckig geformte Öffnungslaschen und die Faltlinie verläuft unter einem rechten Winkel zur Längsrichtung der Öffnungslasche.Such a bag is described for example in GB-A 1 296 216. The known bag has essentially triangular shaped opening flaps and the fold line runs at a right angle to the longitudinal direction of the opening flap.

Derartige nach der Art einer Weichpackung aufgebaute Beutel werden im allgemeinen zur Aufbewahrung und Mitnahme von kleineren Mengen flüssiger oder pastöser Lebens- oder Kosmetikmittel verwendet. Es ist allgemein bekannt, einen solchen Beutel mit einem Abrißverschluß zu versehen, so daß die Öffnung des Beutels durch Abziehen, Abreißen oder auch Abschneiden dieses Abrißverschlusses geschieht, so daß der Inhalt herausgepreßt oder ausgegossen werden kann. Ähnliche Konturenbeutel sind beispielsweise im deutschen Gebrauchsmuster DE-U-81 27 806 und in der deutschen Patentschrift DE-B-31 43 671 beschrieben.Such bags constructed in the manner of a soft pack are generally used for storing and taking small amounts of liquid or pasty food or cosmetic products. It is generally known to provide such a bag with a tear-off closure so that the opening of the bag is done by pulling, tearing off or even cutting off this tear-off closure so that the contents can be pressed out or poured out. Similar contour bags are described, for example, in German utility model DE-U-81 27 806 and in German patent DE-B-31 43 671.

In der französischen Patentschrift FR-A-1 016 042 ist ein tubenartiger Beutel aus thermoplastischem Material beschrieben zur Aufnahme flüssiger oder pastöser Stoffe, der an einem Ende einen schmalen, mit einem Austrittskanal versehenen Abschnitt aufweist, der zum Verschließen des Beutels zurückgefaltet und unter einen Gürtel eingesteckt werden kann, der mit den Rändern des Beutels verbunden ist. Dieser bekannte Beutel hat den Nachteil, daß der Verschluß nur dann flüssigkeitsdicht ist, wenn ein ausreichender Innendruck herrscht, der den zurückgefalteten Abschnitt an den Gürtel anpreßt. Dies hat zur Folge, daß bei nur noch halbgefülltem Beutel leicht Flüssigkeit austreten kann. Ein weiterer Nachteil besteht darin, daß die Herstellung dieses bekannten Beutels hohe Kosten verursacht.French patent FR-A-1 016 042 describes a tube-like bag made of thermoplastic material for holding liquid or pasty substances, which has at one end a narrow section provided with an outlet channel, which is folded back to close the bag and under a belt can be inserted, which is connected to the edges of the bag. This known bag has the disadvantage that the closure is only liquid-tight when there is sufficient internal pressure which presses the folded-back section against the belt. The result of this is that liquid can easily escape if the bag is only half full. Another disadvantage is that the production of this known bag causes high costs.

Es ist weiterhin aus der europäischen Patentanmeldung EP-A-0 370 957 ein Kunststoffbeutel bekannt, der einen Beutelhals aufweist, in dem ein Aluminiumplättchen angeordnet ist. Zum Verschließen wird der Beutelhals im Bereich dieses Aluminiumplättchens zurückgefaltet, wobei das Aluminiumplättchen den Beutelhals in der Schließstellung festhalten soll. Auch dieser bekannte Verschluß ist wegen des benötigten Aluminiumplättchens teuer in der Herstellung und garantiert kein absolut dichtes Verschließen des Beutels.Furthermore, a plastic bag is known from European patent application EP-A-0 370 957, which has a bag neck in which an aluminum plate is arranged. To close the bag neck is folded back in the area of this aluminum plate, the aluminum plate should hold the bag neck in the closed position. This known closure is also expensive to manufacture because of the aluminum plate required and does not guarantee an absolutely tight closure of the bag.

In dem Dokument US-A-2 942 760 ist schließlich ein Beutel beschrieben, der im wesentlichen die Gestalt eines Tetraeders besitzt und der an einer Ecke durch Umfalten einer Ecke und Einstecken in eine schlitzartige Halterung wieder verschließbar ist.Document US-A-2 942 760 finally describes a bag which essentially has the shape of a tetrahedron and which can be closed again at a corner by folding over a corner and inserting it into a slot-like holder.

Der Erfindung liegt die Aufgabe zugrunde, einen Beutel, insbesondere einen Konturenbeutel, mit den eingangs erwähnten Merkmalen so auszugestalten, daß er kostengünstig herzustellen ist und dennoch nach der Öffnung vom Verbraucher in einfacher Weise derart wieder verschlossen werden kann, daß ein Auslaufen der Flüssigkeit sicher verhindert wird.The invention has for its object to design a bag, in particular a contour bag, with the features mentioned above so that it is inexpensive to manufacture and yet can be easily closed again after opening by the consumer in such a way that leakage of the liquid is reliably prevented becomes.

Die Lösung dieser Aufgabe geschieht erfindungsgemäß mit den Merkmalen aus dem kennzeichnenden Teil des Patentanspruchs 1. Vorteilhafte Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen beschrieben.This object is achieved according to the invention with the features from the characterizing part of patent claim 1. Advantageous developments of the invention are described in the dependent claims.

Abgesehen von den die Öffnung und Wiederverschließung des Beutels bestimmenden Teilen kann der erfindungsgemäße Beutel in beliebiger Weise hinsichtlich seiner Größe, Form und Außenkontur ausgestaltet sein und als Behältnis für die üblichen flüssigen oder pastösen Stoffe dienen, die in derartige Beutel eingefüllt werden.Apart from the parts determining the opening and reclosing of the bag, the bag according to the invention can be designed in any way with regard to its size, shape and outer contour and can serve as a container for the usual liquid or pasty substances which are filled into such bags.

Im folgenden werden anhand der beigefügten Zeichnungen Ausführungsbeispiele für Konturenbeutel nach der Erfindung näher erläutert.Exemplary embodiments for contour bags according to the invention are explained in more detail below with reference to the accompanying drawings.

In den Zeichnungen zeigen:

Fig. 1
einen wieder verschließbaren Konturenbeutel in einer ersten Ausführungsform in Seitenansicht vor dem Öffnen;
Fig. 2
in einer Ansicht analog Fig. 1 den Konturenbeutel nach Entfernung des Abrißendes der Öffnungslasche;
Fig. 3
in einer Darstellung analog Fig. 1 den Konturenbeutel im wieder verschlossenen Zustand;
Fig. 4
in einer Ansicht analog Fig. 1 eine zweite Ausführungsform eines wieder verschließbaren Konturenbeutels;
Fig. 5
in einer Ansicht analog Fig. 1 eine dritte Ausführungsform eines wieder verschließbaren Konturenbeutels;
Fig. 6
einen Querschnitt durch den Konturenbeutel nach der Linie VI-VI in Fig. 1.
The drawings show:
Fig. 1
a reclosable contour bag in a first embodiment in a side view before opening;
Fig. 2
in a view similar to Figure 1, the contour bag after removal of the tear-off end of the opening tab.
Fig. 3
in a representation analogous to Figure 1, the contour bag in the closed state;
Fig. 4
in a view analogous to FIG. 1, a second embodiment of a resealable contour pouch;
Fig. 5
in a view analogous to FIG. 1, a third embodiment of a reclosable contour bag;
Fig. 6
a cross section through the contour bag along the line VI-VI in Fig. 1st

Es wird zunächst anhand der Fig. 1 bis 3 und 6 eine erste Ausführungsform eines Konturenbeutels sowie sein Öffnen und Wiederverschließen näher erläutert.1 to 3 and 6, a first embodiment of a contour bag and its opening and reclosing will be explained in more detail.

Der in den Fig. 1 bis 3 insgesamt mit Bezugsziffer 1 bezeichnete Konturenbeutel besitzt einen Körper 2, der, wie aus Fig. 6 zu entnehmen, aus zwei im wesentlichen parallel zueinander angeordneten Abschnitten 2.1 und 2.2 zusammengesetzt ist, die aus einem flexiblen folienartigen Material, beispielsweise einer Kunststoffolie oder einer mit Metall beschichteten Kunststoffolie, bestehen und an ihren Rändern dichtend miteinander verbunden sind. Zwischen den Abschnitten 2.1 und 2.2 befindet sich der Innenraum 3 des Konturenbeutels, der einen flüssigen oder pastösen Stoff enthält. Mit dem Körper 2 ist eine streifenartig ausgebildete Öffnungslasche 4 verbunden, die parallel zueinander verlaufinde Kanten sowie an einem Ende einen als Abrißstück 5 ausgebildeten Abrißverschluß aufweist und in der ein schmaler Austrittskanal 3.1 verläuft, durch dessen nach Abreißen des Abrißstückes 5 offenes Ende 8 ein Herauspressen des Inhaltes aus dem Innenraum 3 durch den Austrittskanal 3.1 möglich ist. Weiterhin besitzt der Körper 2 in seinen Randbereich einen Teilbereich 6.1, in dem die beiden Abschnitte 2.1 und 2.2 dichtend und fest aneinander anliegend miteinander verbunden sind, einen Festhalteschlitz 6, der bei dem dargestellten Ausführungsbeispiel parallel zur Richtung der Öffnungslasche 4 verläuft und dessen Länge an die Breite der Öffnungslasche 4 angepaßt ist, während seine Breite an die Dicke der Öffnungslasche 4 angepaßt ist.1 to 3, generally designated by reference number 1, has a body 2 which, as can be seen from FIG. 6, is composed of two sections 2.1 and 2.2 arranged essentially parallel to one another, which are made of a flexible film-like material, for example a plastic film or a plastic film coated with metal, exist and are sealingly connected to one another at their edges. Between the sections 2.1 and 2.2 is the interior 3 of the contour bag, which is a liquid or pasty substance. With the body 2, a strip-like opening tab 4 is connected, the mutually parallel edges and at one end has a tear-off closure designed as a tear-off piece 5 and in which a narrow outlet channel 3.1 runs, by means of which after the tear-off piece 5 is torn open end 8 is pressed out Content from the interior 3 through the outlet channel 3.1 is possible. Furthermore, the body 2 has in its edge region a partial region 6.1, in which the two sections 2.1 and 2.2 are connected to one another in a sealing and firmly abutting manner, a holding slot 6, which in the exemplary embodiment shown runs parallel to the direction of the opening tab 4 and its length to the Width of the opening tab 4 is adapted, while its width is adapted to the thickness of the opening tab 4.

In Fig. 2 ist der Konturenbeutel nach Fig. 1 nach dem Abreißen des Abrißstückes 5 dargestellt, also in dem Zustand, in dem sein Inhalt entnommen werden kann.2 shows the contour bag according to FIG. 1 after the tear-off piece 5 has been torn off, that is to say in the state in which its contents can be removed.

Das Wiederverschließen des Konturenbeutels geschieht, wie in Fig. 3 dargestellt, dadurch, daß die Öffnungslasche 4 entlang einer Faltlinie 7, die im Ansatzbereich der Öffnungslasche 4 an den Körper 2 des Konturenbeutels unter einem Winkel von etwa 45° zur Längsrichtung der Öffnungslasche 4 angeordnet ist, auf den Körper 2 zurückgefaltet und das offene Ende 8 in den Festhalteschlitz 6 eingeführt und durch den Schlitz 6 hindurchgeführt wird bis die entlang der Faltlinie 7 entstehende Falte der Öffnungslasche 4 kräftig zusammengepreßt ist.The contour bag is reclosed, as shown in FIG. 3, in that the opening tab 4 is arranged along a fold line 7, which is in the region of attachment of the opening tab 4 to the body 2 of the contour bag at an angle of approximately 45 ° to the longitudinal direction of the opening tab 4 , folded back onto the body 2 and the open end 8 inserted into the holding slot 6 and passed through the slot 6 until the crease of the opening flap 4 along the folding line 7 is pressed firmly together.

Die mechanische Wirkung dieser Zusammenpressung der Falte der Öffnungslasche 4 entlang der Faltlinie 7 ist ausreichend, um ein Auslaufen der Flüssigkeit aus dem Innenraum 3 unter normalen Verwendungsumständen zu verhindern.The mechanical effect of this compression of the fold of the opening flap 4 along the fold line 7 is sufficient to prevent the liquid from escaping from the interior 3 under normal conditions of use.

Zur Wiederöffnung des Konturenbeutels nach Fig. 1 bis 3 wird die Öffnungslasche 4 aus dem Festhalteschlitz 6 herausgezogen und in den ursprünglichen in Fig. 2 dargestellten Zustand zurückgebracht. Ein Druck auf die den Innenraum 3 begrenzenden Außenflächen der Abschnitte 2.1 und 2.2 veranlaßt, daß wiederum ein Teil der Flüssigkeit oder die ganze Flüssigkeit, die sich noch im Innenraum 3 befindet, durch den Austrittskanal 3.1 und das offene Ende 8 der Öffnungslasche 4 aus dem Konturenbeutel herausfließt. Der oben geschilderte Vorgang des Wiederverschließens und Öffnens kann bis zur vollständigen Entleerung des Konturenbeutels wiederholt werden.To reopen the contour bag according to FIGS. 1 to 3, the opening tab 4 is pulled out of the holding slot 6 and returned to the original state shown in FIG. 2. A pressure on the outer surfaces of sections 2.1 and 2.2 delimiting the inner space 3 causes that in turn a part of the liquid or the whole liquid which is still in the inner space 3, through the outlet channel 3.1 and the open end 8 of the opening tab 4 from the contour bag flows out. The above-described process of reclosing and opening can be repeated until the contour bag has been completely emptied.

Anhand der Fig. 4 und 5 werden im folgenden weitere Ausführungsformen eines wieder verschließbaren Konturenbeutels beschrieben. Dabei sind Teile, die genau der Ausführungsform nach Fig. 1 bis 3 entsprechen, mit den gleichen Bezugsziffern bezeichnet.4 and 5, further embodiments of a reclosable contour bag are described below. Parts that correspond exactly to the embodiment according to FIGS. 1 to 3 are identified by the same reference numbers.

Der in Fig. 4 dargestellte, insgesamt mit Bezugsziffer 20 bezeichnete Konturenbeutel unterscheidet sich von der Ausführungsform nach Fig. 1 bis 3 dadurch, daß der hier ebenfalls parallel zur Öffnungslasche 4 in einem Teilbereich 60.1 am Rand des Körpers 2 des Konturenbeutels angeordnete Festhalteschlitz 60 zum Rand hin offen ist, was das Einschieben der um die Faltlinie 7 herumgefalteten Öffnungslasche 4 in den Festhalteschlitz 60 von außen her erleichtert.The contour bag shown in FIG. 4, designated overall by reference number 20, differs from the embodiment according to FIGS. 1 to 3 in that the retaining slot 60, which is also arranged here parallel to the opening tab 4 in a partial region 60.1 on the edge of the body 2 of the contour bag, extends to the edge is open, which facilitates the insertion of the opening flap 4 folded around the fold line 7 into the retaining slot 60 from the outside.

Die Ausführungsform nach Fig. 5, in welcher der Konturenbeutel allgemein mit Bezugsziffer 40 bezeichnet ist, ist wiederum der Ausführungsform nach den Fig. 1 bis 3 ähnlich, bis auf die Tatsache, daß der in einem Teilbereich 61.1 am Rand des Körpers 2 angeordnete Festhalteschlitz 61 unter einem spitzen Winkel zur Längsrichtung der Öffnungslasche 4 verläuft.The embodiment according to FIG. 5, in which the contour bag is generally designated by reference number 40, is again similar to the embodiment according to FIGS. 1 to 3, except for the fact that the holding slot 61 arranged in a partial region 61.1 on the edge of the body 2 extends at an acute angle to the longitudinal direction of the opening tab 4.

Auch bei dieser Ausführungsform erfolgt das Öffnen und Wiederverschließen analog den oben beschriebenen Ausführungsformen.In this embodiment, too, the opening and reclosing takes place analogously to the embodiments described above.

Claims (5)

  1. Sachet, in particular a shaped sachet, for receiving liquid and paste-like substances, comprising two substantially parallel portions (2.1, 2.2) made of flexible, foil-like material with a preselected external contour, which at least at their edges are sealingly joined to one another and between them delimit an interior (3) which may be filled with a liquid or paste-like substance, a part of said interior being designed as a narrow outlet channel (3.1) running towards the edge of the sachet, which outlet channel is closed by a tear-off closure (5) and is disposed at least along part of its length in an opening flap (4) projecting from the external contour of the sachet, a fold line (7) being disposed in the region of emanation of the opening flap (4) from the body (2) of the sachet and there being disposed in the body (2) of the sachet, penetrating from one side face to the other side face and sealed off from the interior (3), a retaining slot (6, 60, 61) whose width is adapted to the thickness of the opening flap (4) and whose position on the body (2) of the sachet is such that at least part of the length of the folded-over opening flap (4) may be drawn through the retaining slot (6, 60, 61), characterized in that the opening flap (4) takes the form of a strip having edges running parallel to one another and the length of the retaining slot (6, 60, 61) is adapted to the width of the strip and the fold line (7) extends at an angle of substantially 45° to the longitudinal direction of the opening flap (4).
  2. Sachet according to claim 1, characterized in that the retaining slot (6, 60, 61) is disposed in a sub-region (6.1, 60.1, 61.1), which adjoins the edge region of the body (2) and in which the portions (2.1, 2.2) made of flexible, foil-like material are joined to one another so as to be sealingly applied one on the other.
  3. Sachet according to claim 2, characterized in that the retaining slot (6, 60) is disposed parallel to the direction of the opening flap (4).
  4. Sachet according to claim 2, characterized in that the retaining slot (61) is disposed at a preselected acute angle to the direction of the opening flap (4).
  5. Sachet according to claim 3 or 4, characterized in that the retaining slot takes the form of a slot (60) which is open towards the edge of the body (2).
EP91121670A 1990-12-24 1991-12-18 Pouch for fluent or paste products Expired - Lifetime EP0492380B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9017419U 1990-12-24
DE9017419U DE9017419U1 (en) 1990-12-24 1990-12-24 Contour bags for holding liquid or pasty substances

Publications (2)

Publication Number Publication Date
EP0492380A1 EP0492380A1 (en) 1992-07-01
EP0492380B1 true EP0492380B1 (en) 1995-06-28

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Family Applications (1)

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EP91121670A Expired - Lifetime EP0492380B1 (en) 1990-12-24 1991-12-18 Pouch for fluent or paste products

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US (1) US5228782A (en)
EP (1) EP0492380B1 (en)
AU (1) AU9013391A (en)
DE (2) DE9017419U1 (en)
ES (1) ES2073656T3 (en)

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Also Published As

Publication number Publication date
EP0492380A1 (en) 1992-07-01
DE59105869D1 (en) 1995-08-03
DE9017419U1 (en) 1991-03-14
US5228782A (en) 1993-07-20
ES2073656T3 (en) 1995-08-16
AU9013391A (en) 1992-06-25

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