EP0571327B1 - Packaging container - Google Patents

Packaging container Download PDF

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Publication number
EP0571327B1
EP0571327B1 EP93810332A EP93810332A EP0571327B1 EP 0571327 B1 EP0571327 B1 EP 0571327B1 EP 93810332 A EP93810332 A EP 93810332A EP 93810332 A EP93810332 A EP 93810332A EP 0571327 B1 EP0571327 B1 EP 0571327B1
Authority
EP
European Patent Office
Prior art keywords
container
side parts
cardboard blank
bulges
inner container
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
EP93810332A
Other languages
German (de)
French (fr)
Other versions
EP0571327A1 (en
Inventor
Walter Schellenberg
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.)
Sandherr Packungen AG
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Sandherr Packungen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sandherr Packungen AG filed Critical Sandherr Packungen AG
Publication of EP0571327A1 publication Critical patent/EP0571327A1/en
Application granted granted Critical
Publication of EP0571327B1 publication Critical patent/EP0571327B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/34—Coverings or external coatings
    • B65D25/36—Coverings or external coatings formed by applying sheet material
    • 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
    • Y10S229/00—Envelopes, wrappers, and paperboard boxes
    • Y10S229/942—Nonreusable box having means to facilitate collapsing or disassembling for disposal or for recycling of the box material, e.g. "knockdown" type

Definitions

  • the invention relates to a packaging container with the features of the preamble of claim 1.
  • Packaging containers with an outer container, which is formed from a one-piece cardboard blank, and with an inner container, which consists of a deep-drawn plastic film, are suitable for the packaging of e.g. Margarine at the moment widespread.
  • the thicker outer layer of cardboard has an inner plastic coating, and it is bent from a cardboard blank into the container shape before it is combined with the inner layer in the deep-drawing mold to produce it.
  • the plastic coating of the outer layer welds with the heated plastic material of the inner layer, and a firm bond is created along the entire surface.
  • SE-A-350 943 discloses a packaging container of the type mentioned at the outset, which has two small cutouts on each of the two longer side wall parts of the cardboard blank, so that there is a positive engagement of the plastic film of the inner container on the corresponding corner regions of the square container.
  • WO-A-9 217 375 of October 15, 1992 also shows a packaging container whose outer container has small cutouts into which the plastic film of the inner container is molded. These are arranged in large numbers near the opening edge and evenly distributed along the entire circumference of the container, so that they interrupt the otherwise smooth side surfaces of the packaging container, similar to the rivet heads of a steel container.
  • the invention has for its object to improve a packaging container of the type mentioned in such a way that the consumer can detach the plastic material of the inner layer in a simple manner and without aids from the cardboard material of the outer layer in order to dispose of both materials separately for waste disposal without the outer Appearance of the packaging container is adversely changed.
  • this object is achieved in that an edge region of the inner container, which has a U-shaped cross section from the opening edge, extends beyond the bulges of the inner container.
  • the form-fitting connection between the inner and outer container ensures a secure connection to form a uniform overall container that can be easily detached by hand in order to dispose of both container parts for separate waste disposal.
  • the thicker outer layer can be produced using the winding method, starting from a strip material, or by folding, starting from a cardboard blank.
  • the packaging container 1 has a flat bottom 2 and four side walls 3, which extend slightly outwards to the opening-side container edge 4, so that it can be stacked with numerous identical packaging containers before filling.
  • the packaging container 1 has its required rigidity from an outer container 5 made of cardboard material, while its tightness is ensured by an inner container 6 which is formed from a thin plastic film by deep drawing.
  • FIG. 1 shows a cardboard blank produced by punching out 7 for the production of the outer container 5 of the packaging container.
  • the parts 8 to 11 of the blank are bent upwards along the fold lines 12 to 15, the narrow-side blank parts 9, 11 being placed on the outside over the curved ends 16, 17 and 18, 19 of the blank parts 8, 10.
  • the outer end 20, 21 of the narrow-side cut parts 9, 11 is bent inwards via fold lines 22, 23, so that they include upwardly directed end regions 24 to 27 of the cut parts 8, 10 and their stepped tips 28 to 31 in short incisions 32 to 35 come into engagement, which are arranged in a line with the fold lines 22, 23.
  • the plastic film forming the inner container 6 When the plastic film forming the inner container 6 is formed in a deep-drawing mold, in which the outer container has previously been arranged, the plastic film clings closely to the outer container 5, and the inwardly folded ends 20, 21 of the narrow-side cut parts 9, 11 fix themselves accordingly to the enclosed, upwardly directed end regions 24 to 27 of the cut parts 8, 10, so that the cut parts 8 to 11 of the outer container 5 are securely connected to one another.
  • a firm positive connection between the inner and outer containers 6, 5 is achieved during deep drawing by bulges 37, 38 of the inner container 6 being formed in cutouts 39 to 44 of the outer container, as the enlarged illustration in FIG. 3 illustrates.
  • the cutouts 41, 42 and 43, 44 lie one above the other after the fold, so that they are jointly captured by a bulge 37.
  • the deep-drawing mold is provided with shaping bulges at the corresponding points, so that they contribute to the design of the bulges 37, 38 of the inner container 6.
  • the bulges 37, 38 preferably follow only the upper contour of the circular cutouts 39 to 44, so that they are covered by the hollow edge 46 of the inner container 6 which is drawn outwards and downwards over the outer container 5.
  • the tabs 48 to 51 of the cut parts 8, 10 forming the arcuate corner areas 47 of the outer container 5 have larger cutouts 52 to 55 into which shoulder-forming bulges 56 of the inner container 6 are formed, so that they are crescent-shaped around the upper area of the arcuate corner areas 47 extend.
  • These shoulder-forming bulges 56 serve as stacking shoulders, which are supported in the case of stacked, empty packaging containers 1 on the opening-side container edge 4 of the packaging container 1 underneath. This prevents the stacked packaging containers 1 from jamming, so that they can be easily detached from one another before they are fed to a filling station.
  • the edge of the cutouts 52-55 which is parallel to the opening edge 4 of the packaging container 1, is supported on these stacking shoulders, so that the positive fastening of the outer container 5 to the inner container 6 is improved.
  • the packaging container can be sealed airtight by sealing a sealing film (not shown) onto the container edge 4.
  • a closure cover can be provided which engages over the hollow edge 46.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Stackable Containers (AREA)
  • Packages (AREA)
  • Cartons (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Abstract

The packaging container has an outer container formed from a cardboard blank (7) and an inner container which is thermoformed from a plastic film. The connection, which is firm but releasable by hand, between the outer and inner containers of the packaging container is effected in a positive-locking manner in that, during the thermoforming of the inner container, bulges form in its wall which enter into cutouts (39 to 44) in the outer container. The outer container can be removed completely and easily from the inner container again for separate waste disposal. <IMAGE>

Description

Die Erfindung betrifft einen Verpackungsbehälter mit den Merkmalen des Oberbegriffs des Patentanspruchs 1.The invention relates to a packaging container with the features of the preamble of claim 1.

Verpackungsbehälter mit einem Aussenbehälter, der aus einem einteiligen Kartonzuschnitt geformt ist,und mit einem Innenbehälter, der aus einer tiefgezogenen Kunststoffolie besteht, sind für die Verpackung von z.B. Margarine z.Zt. weit verbreitet. Die dickere Aussenschicht aus Karton hat eine innere Kunststoffbeschichtung, und sie wird aus einem Kartonzuschnitt zur Behälterform gebogen, bevor sie in der Tiefziehform zur Herstellung der Innenschicht mit dieser vereinigt wird. Dabei verschweisst die Kunststoffbeschichtung der Aussenschicht mit dem erwärmten Kunststoffmaterial der Innenschicht, und es entsteht ein fester Verbund entlang der gesamten Oberfläche.Packaging containers with an outer container, which is formed from a one-piece cardboard blank, and with an inner container, which consists of a deep-drawn plastic film, are suitable for the packaging of e.g. Margarine at the moment widespread. The thicker outer layer of cardboard has an inner plastic coating, and it is bent from a cardboard blank into the container shape before it is combined with the inner layer in the deep-drawing mold to produce it. The plastic coating of the outer layer welds with the heated plastic material of the inner layer, and a firm bond is created along the entire surface.

Durch die SE-A-350 943 ist ein Verpackungsbehälter der eingangs genannten Art bekannt, der an den beiden längeren Seitenwandteilen des Kartonzuschnitts jeweils zwei kleine Ausschnitte aufweist, so dass sich an den entsprechenden Eckbereichen des viereckigen Behälters ein formschlüssiger Eingriff der Kunststoffolie des Innenbehälters ergibt.SE-A-350 943 discloses a packaging container of the type mentioned at the outset, which has two small cutouts on each of the two longer side wall parts of the cardboard blank, so that there is a positive engagement of the plastic film of the inner container on the corresponding corner regions of the square container.

In der WO-A-9 217 375 vom 15.Oktober 1992 ist ebenfalls ein Verpackungsbehälter gezeigt, dessen Aussenbehälter kleine Ausschnitte aufweist, in die die Kunststoffolie des Innenbehälters hineingeformt ist. Diese sind in der Nähe des Oeffnungsrandes und gleichmässig verteilt entlang des gesamten Behälterumfanges in grösserer Anzahl angeordnet, so dass sie die sonst glatten Seitenflächen des Verpackungsbehälters, ähnlich wie Nietköpfe eines Stahlbehälters, unterbrechen.WO-A-9 217 375 of October 15, 1992 also shows a packaging container whose outer container has small cutouts into which the plastic film of the inner container is molded. These are arranged in large numbers near the opening edge and evenly distributed along the entire circumference of the container, so that they interrupt the otherwise smooth side surfaces of the packaging container, similar to the rivet heads of a steel container.

Der Erfindung liegt die Aufgabe zugrunde, einen Verpackungsbehälter der eingangs genannten Art derart zu verbessern, dass der Verbraucher das Kunststoffmaterial der Innenschicht auf einfache Weise und ohne Hilfsmittel von dem Kartonmaterial der Aussenschicht lösen kann, um beide Materialien getrennt der Abfallentsorgung zuzuführen, ohne dass das äussere Erscheinungsbild des Verpackungsbehälters nachteilig verändert wird.The invention has for its object to improve a packaging container of the type mentioned in such a way that the consumer can detach the plastic material of the inner layer in a simple manner and without aids from the cardboard material of the outer layer in order to dispose of both materials separately for waste disposal without the outer Appearance of the packaging container is adversely changed.

Die Lösung der genannten Aufgabe erfolgt erfindungsgemäss dadurch, dass ein vom Oeffnungsrand im Querschnitt u-förmig nach aussen verlaufender Randbereich des Innenbehälters sich bis über die Ausbuchtungen des Innenbehälters erstreckt.According to the invention, this object is achieved in that an edge region of the inner container, which has a U-shaped cross section from the opening edge, extends beyond the bulges of the inner container.

Die formschlüssige Verbindung zwischen Innen- und Aussenbehälter gewährleistet einen sicheren Verbund zu einem einheitlichen Gesamtbehälter, der leicht von Hand lösbar ist, um beide Behälterteile einer getrennten Abfallentsorgung zuzuführen.The form-fitting connection between the inner and outer container ensures a secure connection to form a uniform overall container that can be easily detached by hand in order to dispose of both container parts for separate waste disposal.

Die Herstellung der dickeren Aussenschicht kann im Wickelverfahren, ausgehend von einem Bandmaterial, oder durch Falten, ausgehend von einem Kartonzuschnitt, erfolgen.The thicker outer layer can be produced using the winding method, starting from a strip material, or by folding, starting from a cardboard blank.

Im folgenden wird die Erfindung anhand eines in den Zeichnungen dargestellten Ausführungsbeispieles weiter erläutert. Es zeigt:

Fig.1
eine Ansicht des Kartonzuschnittes für die Ausbildung des Aussenbehälters des Verpackungsbehälters,
Fig.2
einen Längsschnitt durch den Verpackungsbehälter,
Fig.3
den Randbereich III des Verpackungsbehälters nach Fig.2 in vergrösserter Darstellung und
Fig.4
eine Aufsicht auf den Verpackungsbehälter.
The invention is explained in more detail below on the basis of an exemplary embodiment shown in the drawings. It shows:
Fig. 1
a view of the cardboard blank for the formation of the outer container of the packaging container,
Fig. 2
a longitudinal section through the packaging container,
Fig. 3
the edge region III of the packaging container according to Figure 2 in an enlarged view and
Fig. 4
a supervision of the packaging container.

Der Verpackungsbehälter 1 hat einen ebenen Boden 2 und vier Seitenwände 3, die leicht nach aussen verlaufend sich zu dem öffnungsseitigen Behälterrand 4 erstrecken, so dass er vor dem Füllen mit zahlreichen gleichen Verpackungsbehältern stapelbar ist.The packaging container 1 has a flat bottom 2 and four side walls 3, which extend slightly outwards to the opening-side container edge 4, so that it can be stacked with numerous identical packaging containers before filling.

Seine erforderliche Steifigkeit hat der Verpackungsbehälter 1 durch einen Aussenbehälter 5 aus Kartonmaterial, während seine Dichtigkeit durch einen Innenbehälter 6 gewährleistet ist, der aus einer dünnen Kunststoffolie durch Tiefziehen gebildet ist.The packaging container 1 has its required rigidity from an outer container 5 made of cardboard material, while its tightness is ensured by an inner container 6 which is formed from a thin plastic film by deep drawing.

Fig.1 zeigt einen durch Ausstanzen hergestellten Kartonzuschnitt 7 für die Herstellung des Aussenbehälters 5 des Verpackungsbehälters. Die Teile 8 bis 11 des Zuschnittes werden entlang der Falzlinien 12 bis 15 nach oben gebogen, wobei die schmalseitigen Zuschnitteile 9,11 aussen über die bogenförmig nach innen gebogenen Enden 16,17 und 18,19 der Zuschnitteile 8,10 gelegt werden. Ausserdem wird das äussere Ende 20,21 der schmalseitigen Zuschnitteile 9,11 über Falzlinien 22,23 nach innen gebogen, so dass sie nach oben gerichtete Endbereiche 24 bis 27 der Zuschnittteile 8,10 einschliessen und deren abgesetzten Spitzen 28 bis 31 in kurzen Einschnitten 32 bis 35 in Eingriff gelangen, die in einer Linie mit den Falzlinien 22, 23 angeordnet sind. Beim Ausformen der den Innenbehälter 6 bildenden Kunststoffolie in einer Tiefzieform, in der zuvor der Aussenbehälter angeordnet worden ist, schmiegt sich die Kunststoffolie eng an den Aussenbehälter 5, und entsprechend legen die nach innen gefalteten Enden 20,21 der schmalseitigen Zuschnitteile 9,11 sich fest an die eingeschlossenen, nach oben gerichteten Endbereiche 24 bis 27 der Zuschnitteile 8,10, so dass die Zuschnitteile 8 bis 11 des Aussenbehälter 5 sicher miteinander verbunden sind.1 shows a cardboard blank produced by punching out 7 for the production of the outer container 5 of the packaging container. The parts 8 to 11 of the blank are bent upwards along the fold lines 12 to 15, the narrow-side blank parts 9, 11 being placed on the outside over the curved ends 16, 17 and 18, 19 of the blank parts 8, 10. In addition, the outer end 20, 21 of the narrow-side cut parts 9, 11 is bent inwards via fold lines 22, 23, so that they include upwardly directed end regions 24 to 27 of the cut parts 8, 10 and their stepped tips 28 to 31 in short incisions 32 to 35 come into engagement, which are arranged in a line with the fold lines 22, 23. When the plastic film forming the inner container 6 is formed in a deep-drawing mold, in which the outer container has previously been arranged, the plastic film clings closely to the outer container 5, and the inwardly folded ends 20, 21 of the narrow-side cut parts 9, 11 fix themselves accordingly to the enclosed, upwardly directed end regions 24 to 27 of the cut parts 8, 10, so that the cut parts 8 to 11 of the outer container 5 are securely connected to one another.

Weiterhin wird beim Tiefziehen eine feste formschlüssige Verbindung zwischen dem Innen- und Aussenbehälter 6,5 erreicht, indem sich Ausbuchtungen 37,38 des Innenbehälters 6 in Ausschnitte 39 bis 44 des Aussenbehälters hineinformen, wie die vergrösserte Darstellung der Fig. 3 veranschaulicht. Dabei liegen die Ausschnitte 41,42 und 43,44 nach der Falzung übereinander, so dass sie von einer Ausbuchtung 37 gemeinsam erfasst werden. Die Tiefziehform ist an den entsprechenden Stellen mit formgebenden Ausbuchtungen versehen, so dass diese zur Gestaltung der Ausbuchtungen 37,38 des Innenbehälters 6 beitragen. Vorzugsweise folgen die Ausbuchtungen 37,38 nur der oberen Kontur der kreisförmigen Ausschnitte 39 bis 44, so dass sie durch den über den Aussenbehälter 5 nach aussen und unten gezogenen Hohlrand 46 des Innenbehälters 6 überdeckt werden. Auf diese Weise ergibt sich ein fester Verbund zwischen dem Innen- und Aussenbehälter (6,5), so dass der allein unstabile Innenbehälter (6) durch den Aussenbehälter (5) zu einem stabilen Behälter verstärkt wird. Dies konnte bisher nur durch eine Verklebung zwischen beiden und der Teile 8,10 des Kartonzuschnitts mit dessen anderen Teilen 9,11 erreicht werden. Als besonderer Vorteil gemäss der Aufgabenstellung der Erfindung ergibt sich jedoch, dass durch die Vermeidung eines Klebemittels nach Gebrauch des Verpackungsbehälters auch auf einfache Weise eine getrennte Abfallentsorgung des Kartonanteils und des Kunststoffanteils des Verpackungsbehälters möglich ist. Um das hierzu erforderliche Abreissen des Aussenbehälters 5 vom Innenbehälter 6 zu erleichtern, können am Aussenbehälter 5 nichtdargestellte Solltrennlinien und/oder Grifflappen angeformt sein.Furthermore, a firm positive connection between the inner and outer containers 6, 5 is achieved during deep drawing by bulges 37, 38 of the inner container 6 being formed in cutouts 39 to 44 of the outer container, as the enlarged illustration in FIG. 3 illustrates. In this case, the cutouts 41, 42 and 43, 44 lie one above the other after the fold, so that they are jointly captured by a bulge 37. The deep-drawing mold is provided with shaping bulges at the corresponding points, so that they contribute to the design of the bulges 37, 38 of the inner container 6. The bulges 37, 38 preferably follow only the upper contour of the circular cutouts 39 to 44, so that they are covered by the hollow edge 46 of the inner container 6 which is drawn outwards and downwards over the outer container 5. In this way, there is a firm bond between the inner and outer container (6,5), so that the unstable inner container (6) is reinforced by the outer container (5) to a stable container. So far, this could only be achieved by gluing the two and the parts 8, 10 of the cardboard blank to the other parts 9, 11 thereof. However, a particular advantage according to the object of the invention is that by avoiding an adhesive after using the packaging container, separate waste disposal of the cardboard portion and the plastic portion of the packaging container is also possible in a simple manner. In order to facilitate the necessary tearing off of the outer container 5 from the inner container 6, predetermined separation lines and / or grip tabs (not shown) can be formed on the outer container 5.

Die die bogenförmigen Eckbereiche 47 des Aussenbehälters 5 bildenden Lappen 48 bis 51 der Zuschnittteile 8,10 haben grössere Aussparungen 52 bis 55, in die hinein absatzbildende Ausbuchtungen 56 des Innenbehälters 6 geformt werden, so dass sie sich sichelförmig um den oberen Bereich der bogenförmigen Eckbereiche 47 erstrecken. Diese absatzbildenden Ausbuchtungen 56 dienen als Stapelschultern, die sich bei ineinandergestapelten, leeren Verpackungsbehältern 1 auf dem öffnungsseitigen Behälterrand 4 des darunterliegenden Verpackungsbehälters 1 abstützen. Dies verhindert ein Verklemmen der gestapelten Verpackungsbehälter 1 ineinander, so dass sie sich leicht voneinander lösen la-ssen, bevor sie einer Füllstation zugeführt werden. Ausserdem stützt sich die zum Oeffnungsrand 4 des Verpackungsbehälters 1 parallele Kante der Aussparungen 52-55 an diesen Stapelschultern ab, so dass die formschlüssige Befestigung des Aussenbehälters 5 am Innenbehälter 6 verbessert wird.The tabs 48 to 51 of the cut parts 8, 10 forming the arcuate corner areas 47 of the outer container 5 have larger cutouts 52 to 55 into which shoulder-forming bulges 56 of the inner container 6 are formed, so that they are crescent-shaped around the upper area of the arcuate corner areas 47 extend. These shoulder-forming bulges 56 serve as stacking shoulders, which are supported in the case of stacked, empty packaging containers 1 on the opening-side container edge 4 of the packaging container 1 underneath. This prevents the stacked packaging containers 1 from jamming, so that they can be easily detached from one another before they are fed to a filling station. In addition, the edge of the cutouts 52-55, which is parallel to the opening edge 4 of the packaging container 1, is supported on these stacking shoulders, so that the positive fastening of the outer container 5 to the inner container 6 is improved.

Ein luftdichter Verschluss des Verpackungsbehälters kann erfolgen, indem eine nichtdargestellte Verschlussfolie auf den Behälterrand 4 aufgesiegelt wird. Ausserdem kann ein Verschlussdeckel vorgesehen sein, der über den Hohlrand 46 greift.The packaging container can be sealed airtight by sealing a sealing film (not shown) onto the container edge 4. In addition, a closure cover can be provided which engages over the hollow edge 46.

Claims (4)

  1. A packing container comprising an outer container (5) shaped from a one-piece cardboard blank (7) and an inner container (6) deep drawn from a plastic sheet, the two being shaped together corresponding to a stackable container shape by deep drawing the inner container, wherein the outer container (5) is formed from a cardboard blank (7) with a bottom part (2') and four side parts (8 to 11), which, in accordance with the external shape of the container, are bent away from the bottom part (2) towards the container side walls (3), so that the bottom part (2') is defined by linear bending edges (12 to 15), and the container side walls (3) run linear up to the rounded transition areas, wherein in the vicinity of the outer edge of the four side parts (8 to 11) is in each case provided at least one wall cutout (39 to 44) in which engages a bulge (37,38) of the inner container (6), characterized in that a cross-sectionally u-shaped marginal area (46) of the inner container (6) passing outwards from the opening rim (4) extends overt the bulges (37,38) of the outer container (5).
  2. A packing container according to claim 1, characterized in that the wall cutouts (39 to 44) are larger than the bulges (37,38), the bulges being closely embraced by the part of the wall cutouts (39 to 44) directed towards the container rim (4).
  3. A packing container according to claims 1 or 2, characterized in that the outer end (20,21) of the two facing side parts (9,11) of the cardboard blank (7) are bent inwards by means of fold lines (22,23), so that they enclose upwardly directed end regions (24 to 27) of the other side parts (8,10) of the cardboard blank (7).
  4. A packing container according to claim 3, characterized in that in the same line with the fold lines (22,23) are provided in the side parts (9,11) in each case two slots (32,33; 34,35), in which are locked hook-like tips (28 to 31) of the end regions (24 to 27) of the other side parts (8,10).
EP93810332A 1992-05-18 1993-05-06 Packaging container Expired - Lifetime EP0571327B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1579/92 1992-05-18
CH1579/92A CH685115A5 (en) 1992-05-18 1992-05-18 Packaging container.

Publications (2)

Publication Number Publication Date
EP0571327A1 EP0571327A1 (en) 1993-11-24
EP0571327B1 true EP0571327B1 (en) 1996-12-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP93810332A Expired - Lifetime EP0571327B1 (en) 1992-05-18 1993-05-06 Packaging container

Country Status (7)

Country Link
US (1) US5333749A (en)
EP (1) EP0571327B1 (en)
AT (1) ATE146744T1 (en)
CA (1) CA2096370A1 (en)
CH (1) CH685115A5 (en)
DE (1) DE59304857D1 (en)
DK (1) DK0571327T3 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2404785A1 (en) 2010-07-02 2012-01-11 SMR Patents S.à.r.l. Fixing element for stretched goods

Also Published As

Publication number Publication date
ATE146744T1 (en) 1997-01-15
EP0571327A1 (en) 1993-11-24
DK0571327T3 (en) 1997-05-26
DE59304857D1 (en) 1997-02-06
US5333749A (en) 1994-08-02
CA2096370A1 (en) 1993-11-19
CH685115A5 (en) 1995-03-31

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