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EP0027453B1 - Deep-drawn plastics package for eggs, fruit or similar products - Google Patents

Deep-drawn plastics package for eggs, fruit or similar products Download PDF

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Publication number
EP0027453B1
EP0027453B1 EP80900753A EP80900753A EP0027453B1 EP 0027453 B1 EP0027453 B1 EP 0027453B1 EP 80900753 A EP80900753 A EP 80900753A EP 80900753 A EP80900753 A EP 80900753A EP 0027453 B1 EP0027453 B1 EP 0027453B1
Authority
EP
European Patent Office
Prior art keywords
package
packaging
halves
perforation
eggs
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
Application number
EP80900753A
Other languages
German (de)
French (fr)
Other versions
EP0027453A1 (en
Inventor
Anton Winkelmann
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.)
MOPAC AG
Original Assignee
Mopac 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 Mopac AG filed Critical Mopac AG
Publication of EP0027453A1 publication Critical patent/EP0027453A1/en
Application granted granted Critical
Publication of EP0027453B1 publication Critical patent/EP0027453B1/en
Expired 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/32—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for eggs
    • B65D85/324—Containers with compartments made of pressed material

Definitions

  • the invention relates to a packaging made of thermoformed plastic film for holding eggs, fruits or the like, consisting of two essentially identical halves, preferably interconnected by a web, with insertion troughs for holding the goods to be packaged, and with push-button-like interlocking shapes, whereby the packaging halves are connected to one another at sections of their edge by gluing, welding or the like, in the area of which parts of the packaging are provided with a tear line, weakening groove, perforation or the like.
  • a packaging of this type is described and shown in AT-PS 342 493.
  • the plastic film is provided with a weakening zone in the region of the formation of at least one of the packaging halves, the strength of which is less than the closing force of the form-fitting interlocking formations.
  • the disadvantage of this known embodiment is that when the packaging is opened the effect of the interlocking interlocking formations is lost, because at least one of the two forming parts loses cohesion with the rest of the packaging due to the tearing of the weakened zone.
  • a package with push-button-like interlocking shapes on the packaging halves is also known from US Pat. No. 3,356,277.
  • this known embodiment relates only to facilitating the closing and opening of the packaging. It is not recognizable whether the packaging has already been opened or not.
  • the invention has for its object to design the securing elements of a package of the type described above so that the package can be opened by tearing it open and the connecting elements retain their function even after the first opening and so the reuse of the package is possible in a proper manner.
  • the sections connected to one another by adhesive bonding, welding or the like are formed by tabs projecting beyond the edge of the packaging halves and connected to this edge by means of a tear line, weakening groove, perforation or the like, which are preferably opposite the two packaging halves connecting web.
  • the security against unauthorized opening is separated from the usual connecting elements, so that the connecting elements are not damaged when the package is opened, and therefore the packaging can be closed and thus properly reused. It is easy to tear open the packaging because the tear point is weakened and predetermined.
  • a particularly favorable embodiment results if the tab is provided with a tear-off tongue.
  • the packaging consists of the two packaging halves 1, 2, which are articulated to one another at their longitudinal edges by means of a web 3.
  • the design of this packaging with the usual connecting elements is known, does not form part of the invention and therefore need not be described in more detail.
  • tabs 6, 7 are formed, each with a linear perforation 8, 9, in order to be able to bring the tabs 6, 7 into their final position more easily than also to enable them to be separated from the packaging halves 1, 2.
  • the underside 10 of the flap 7 is bent upward around the perforation 9 and the flap 6 is pressed downward around the perforation 8 and pressed against the flaps 7 provided with the adhesive application.
  • a two-component adhesive can also be provided, one component being applied to the surface 10 and the other to the surface 11 of the flap 6.
  • the tabs 6 and 7 can be provided with tongues 12, 13 which remain free from the application of adhesive. If the packaging is to be opened, the tongues 12, 13 or a single one of them can be gripped and the tabs 6, 7 glued to one another can be separated from the packaging along the perforation 8, 9.
  • FIG. 4 A simplified embodiment is shown in FIG. 4.
  • the packaging halves 1, 2 are provided with flanges 15, 16, perforations 17, 18 being provided at the transition.
  • the flanges 15, 16 can be firmly connected to one another by appropriate application of adhesive.
  • the packaging can be opened by severing both flanges along the perforation 17, 18.
  • the tabs according to the invention can also be attached to the edges of the packaging adjacent to the web 3. With a correspondingly powerful design, the invention can replace the usual push-button connection of the two packaging halves.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)

Abstract

The package, comprised of a pressed sheet for eggs, fruit or similar products, consists of two parts (1, 2) substantially identical, connected preferably by a strut (3) and being provided with cups for housing the goods to be packed. The two parts of the package (1, 2) are connected to each other by gluing, welding or the like along one edge. A package area is provided with a tearing line, a weakening groove, a perforation (8) or the like. The portion connected by gluing, welding or the like are projected above the edge (4, 5) of the package parts (1, 2). The edge which is provided with the tearing line, the weakening groove, the perforation (8) or the like, is provided with flanges (6, 7) arranged preferably facing the strut (3) connecting the two package parts (1, 2). In a preferred embodiment, the flanges (7) are provided with a tearing tongue (13).

Description

Die Erfindung bezieht sich auf eine Verpackung aus tiefgezogener Kunststoffolie zur Aufnahme von Eiern, Früchten oder dergleichen, bestehend aus zwei im wesentlichen gleich ausgebildeten, vorzugsweise durch einen Steg miteinander verbundenen Hälften mit Einlegemulden zur Aufnahme des Verpackungsgutes, und mit druckknopfartig ineinander-greifenden Ausformungen, wobei die Verpackungshälften an Abschnitten ihres Randes miteinander durch Verkleben, Verschweissen oder dergleichen verbunden sind, in deren Bereich Teile der Verpackung mit einer Risslinie, Verschwächungsnut, Perforation oder dergleichen versehen sind.The invention relates to a packaging made of thermoformed plastic film for holding eggs, fruits or the like, consisting of two essentially identical halves, preferably interconnected by a web, with insertion troughs for holding the goods to be packaged, and with push-button-like interlocking shapes, whereby the packaging halves are connected to one another at sections of their edge by gluing, welding or the like, in the area of which parts of the packaging are provided with a tear line, weakening groove, perforation or the like.

Eine Verpackung dieser Art ist im AT-PS 342 493 beschrieben und dargestellt. Bei diesem Stand der Technik ist die Kunststoffolie im Bereich der Ausformung zumindest einer der Verpackungshälften mit einer Schwächungszone versehen, deren Festigkeit kleiner ist als die Schliesskraft der druckknopfartig ineinandergreifenden Ausformungen. Der Nachteil dieser bekannten Ausführungsform besteht darin, dass beim Öffnen der Verpackung die Wirkung der druckknopfartig ineinandergreifenden Ausformungen verloren geht, weil zumindest einer der beiden Ausformungsteile durch das Einreissen der Schwächungszone den Zusammenhalt mit dem übrigen Teil der Verpackung verliert. Es ist zwar bei diesen bekannten Verpackungen sofort erkennbar, ob sie bereits einmal geöffnet waren oder nicht, doch ist die Wiederverwendung der einmal geöffneten Verpackung in Frage gestellt, weil die zerstörten druckknopfartigen ineinandergreifenden Ausformungen die beiden Verpackungshälften nicht mehr zusammenhalten können. Die Weiterverwendung der Verpackung ist aber in den meisten Fällen erwünscht.A packaging of this type is described and shown in AT-PS 342 493. In this prior art, the plastic film is provided with a weakening zone in the region of the formation of at least one of the packaging halves, the strength of which is less than the closing force of the form-fitting interlocking formations. The disadvantage of this known embodiment is that when the packaging is opened the effect of the interlocking interlocking formations is lost, because at least one of the two forming parts loses cohesion with the rest of the packaging due to the tearing of the weakened zone. Although it is immediately clear with these known packages whether they have already been opened or not, the reuse of the package once opened is questioned because the destroyed, snap-button-like interlocking formations can no longer hold the two package halves together. The reuse of the packaging is desirable in most cases.

Eine Verpackung mit druckknopfartig ineinandergreifenden Ausformungen an den Verpakkungshälften ist auch schon aus der US-PS 3 356 277 als bekannt zu entnehmen. Diese bekannte Ausgestaltung bezieht sich jedoch nur darauf, das Schliessen und Öffnen der Verpackung zu erleichtern. Es ist nicht erkennbar, ob die Verpakkung bereits einmal geöffnet worden ist oder nicht.A package with push-button-like interlocking shapes on the packaging halves is also known from US Pat. No. 3,356,277. However, this known embodiment relates only to facilitating the closing and opening of the packaging. It is not recognizable whether the packaging has already been opened or not.

Aus der US-PS 3 162 352 ist zwar der Gedanke des Wiederverschliessens mit einer Risslinie zum Anzeigen einer erfolgten Öffnung bereits vorhanden, jedoch erfolgt bei diesem Stand der Technik die Realisierung mit völlig anderen Mitteln.From US Pat. No. 3,162,352 the idea of reclosing with a tear line to indicate that the opening has taken place is already present, but with this prior art the realization takes place with completely different means.

Der Erfindung liegt die Aufgabe zugrunde, die Sicherungselemente einer Verpackung der eingangs beschriebenen Bauart so auszugestalten, dass die Verpackung durch leichtes Aufreissen zu öffnen ist und die Verbindungselemente ihre Aufgabe auch nach dem erstmaligen Öffnen beibehalten und so die Weiterverwendung der Verpakkung in ordnungsgemässer Weise möglich ist.The invention has for its object to design the securing elements of a package of the type described above so that the package can be opened by tearing it open and the connecting elements retain their function even after the first opening and so the reuse of the package is possible in a proper manner.

Erfindungsgemäss wird dies dadurch erreicht, dass die miteinander durch Verkleben, Verschweissen oder dergleichen verbundenen Abschnitte von über den Rand der Verpackungshälften vorstehenden und mit diesem Rand mittels einer Risslinie, Verschwächungsnut, Perforation oder dergleichen verbundenen Lappen gebildet sind, die sich vorzugsweise gegenüber dem die beiden Verpackungshälften verbindenden Steg befinden.This is achieved according to the invention in that the sections connected to one another by adhesive bonding, welding or the like are formed by tabs projecting beyond the edge of the packaging halves and connected to this edge by means of a tear line, weakening groove, perforation or the like, which are preferably opposite the two packaging halves connecting web.

Bei einer solchen Ausgestaltung ist die Sicherung gegen unbefugtes Öffnen von den üblichen Verbindungselementen getrennt, so dass die Verbindungselemente beim Öffnen der Packung nicht beschädigt werden und deshalb das Schliessen der Verpackung und somit deren ordnungsgemässe Weiterverwendung möglich ist. Dabei lässt sich das Aufreissen der Verpackung leicht durchführen, weil die Rissstelle geschwächt und vorgegeben ist.In such a configuration, the security against unauthorized opening is separated from the usual connecting elements, so that the connecting elements are not damaged when the package is opened, and therefore the packaging can be closed and thus properly reused. It is easy to tear open the packaging because the tear point is weakened and predetermined.

Eine besonders günstige Ausführungsform ergibt sich, wenn der Lappen gemäss Anspruch 2 mit einer Abrisszunge versehen ist.A particularly favorable embodiment results if the tab is provided with a tear-off tongue.

In der Zeichnung ist der Gegenstand der Erfindung in drei beispielsweisen Ausführungsformen dargestellt. Es zeigen:

  • Fig. 1 einen Schnitt durch eine erfindungsgemässe Verpackung,
  • Fig. 2 eine Einzelheit dieser Verpackung in der Perspektive und
  • Fig. 3 und 4 zwei weitere Ausführungsformen im Schnitt.
In the drawing, the subject matter of the invention is shown in three exemplary embodiments. Show it:
  • 1 shows a section through a packaging according to the invention,
  • Fig. 2 shows a detail of this packaging in perspective and
  • 3 and 4 two further embodiments in section.

Die Verpackung besteht aus den beiden Verpakkungshälften 1,2, die an ihren Längsrändern mittels eines Steges 3 gelenkig miteinander verbunden sind. Die Ausgestaltung dieser Verpackung mit den üblichen Verbindungselementen ist bekannt, bildet keinen Teil der Erfindung und braucht daher nicht näher beschrieben zu werden.The packaging consists of the two packaging halves 1, 2, which are articulated to one another at their longitudinal edges by means of a web 3. The design of this packaging with the usual connecting elements is known, does not form part of the invention and therefore need not be described in more detail.

An den dem Steg 3 gegenüberliegenden Rändern 4, 5 der Verpackungshälften 1, 2 sind Lappen 6, 7 ausgebildet, wobei jeweils eine linienförmige Perforation 8, 9 vorgesehen ist, um einerseits die Lappen 6, 7 leichter in ihre endgültige Stellung bringen zu können, als auch ihre Abtrennung von den Verpackungshälften 1, 2 zu ermöglichen.On the edges 4, 5 of the packaging halves 1, 2 opposite the web 3, tabs 6, 7 are formed, each with a linear perforation 8, 9, in order to be able to bring the tabs 6, 7 into their final position more easily than also to enable them to be separated from the packaging halves 1, 2.

Nach dem Füllen der Verpackung und Zusammenklappen der Hälften 1, 2 wird beispielsweise die Unterseite 10 des Lappens 7 um die Perforation 9 nach oben gebogen und der Lappen 6 um die Perforation 8 nach unten und gegen die mit dem Klebemittelauftrag versehenen Lappen 7 gepresst. Es kann auch ein Zweikomponentenkleber vorgesehen werden, wobei die eine Komponente auf die Fläche 10 und die andere auf die Fläche 11 des Lappens 6 aufgetragen wird.After the packaging and the halves 1, 2 have been filled, the underside 10 of the flap 7 is bent upward around the perforation 9 and the flap 6 is pressed downward around the perforation 8 and pressed against the flaps 7 provided with the adhesive application. A two-component adhesive can also be provided, one component being applied to the surface 10 and the other to the surface 11 of the flap 6.

Wie aus Fig. 2 ersichtlich ist, können die Lappen 6 und 7 mit Zungen 12, 13 versehen sein, die frei vom Klebemittelauftrag bleiben. Soll die Verpakkung geöffnet werden, so können die Zungen 12, 13 oder eine einzelne von ihnen erfasst und die miteinander verklebten Lappen 6, 7 entlang der Perforation 8, 9 von der Verpackung abgetrennt werden.As can be seen from FIG. 2, the tabs 6 and 7 can be provided with tongues 12, 13 which remain free from the application of adhesive. If the packaging is to be opened, the tongues 12, 13 or a single one of them can be gripped and the tabs 6, 7 glued to one another can be separated from the packaging along the perforation 8, 9.

Durch diese Ausbildung ist eine unbefugte Öffnung der Verpackung sofort erkennbar. Eine neuerliche erfindungsgemässe Verbindung der beiden Verpackungshälften nach Abtrennen der Streifen 6, 7 ist nicht möglich, wohl aber kann die Verpackung vom Käufer der Ware wiederverwendet werden, wie dies in vielen Haushalten erwünscht ist, weil die üblichen Verbindungselemente unverletzt sind. Es genügt, wenn nur ein einzelner Lappen an der einen Verpackungshälfte vorgesehen wird, soferne eine entsprechende Klebefläche an der anderen Verpackungshälfte vorgesehen wird. Ein Beispiel für diese Ausführungsform zeigt Fig. 3. Die Verpackungshälfte 2 ist in der beschriebenen Weise mit einem Lappen 7 versehen, während die Verpackungshälfte 1 einen steifen Randstreifen 14 aufweist, der mit dem aufgerichteten Lappen 7 verklebt wird. Das Öffnen der Verpackung geschieht hier in der Weise, dass die Perforation 9 durchtrennt wird.With this training, unauthorized opening of the packaging is immediately recognizable. A new connection according to the invention of the two packaging halves after the Strips 6, 7 are not possible, but the packaging can be reused by the buyer of the goods, as is desirable in many households, because the usual connecting elements are undamaged. It is sufficient if only a single cloth is provided on one half of the package, provided that a corresponding adhesive surface is provided on the other half of the package. An example for this embodiment is shown in FIG. The packaging is opened here in such a way that the perforation 9 is severed.

Eine vereinfachte Ausbildung zeigt Fig. 4. Die Verpackungshälften 1, 2 sind mit Flanschen 15, 16 versehen, wobei am Übergang Perforationen 17, 18 vorgesehen sind. Durch entsprechenden Klebemittelauftrag können die Flansche 15, 16 fest miteinander verbunden werden. Durch Abtrennen beider Flanschen entlang der Perforation 17, 18 kann die Verpackung geöffnet werden.A simplified embodiment is shown in FIG. 4. The packaging halves 1, 2 are provided with flanges 15, 16, perforations 17, 18 being provided at the transition. The flanges 15, 16 can be firmly connected to one another by appropriate application of adhesive. The packaging can be opened by severing both flanges along the perforation 17, 18.

Die erfindungsgemässen Lappen können auch an den dem Steg 3 benachbarten Rändern der Verpackung angebracht sein. Bei entsprechend kräftiger Ausführung kann die Erfindung die übliche Druckknopfverbindung der beiden Verpakkungshälften ersetzen.The tabs according to the invention can also be attached to the edges of the packaging adjacent to the web 3. With a correspondingly powerful design, the invention can replace the usual push-button connection of the two packaging halves.

An Stelle einer Verklebung kann selbstverständlich auch eine Verschweissung treten. Die Ausbildungsform nach Fig. 4 ermöglicht auch eine Verbindung der Flansche 15, 16 mittels Ösen oder anderen Verbindungsmitteln, die jedoch so ausgestaltet sein müssen, dass ihre Entfernung ohne Beschädigung der Flansche nicht möglich oder erkennbar ist.Instead of gluing, welding can of course also take place. 4 also enables the flanges 15, 16 to be connected by means of eyelets or other connecting means, which, however, must be designed in such a way that their removal is not possible or recognizable without damaging the flanges.

Claims (2)

1. Deep-drawn plastics package for eggs, fruit or the like consisting of two substantially similar halves (1, 2), preferably connected by a bridging piece, having recesses for the goods being packed and having mutually engaging press-stud shaped projections, the package halves (1, 2) being connected together by glueing, welding or the like, along sections of their rims (4, 5) in the neighborhood of which parts of the package are provided with a tearing line, weakening groove, perforation or the like, characterised in that the sections connected by glueing, welding or the like comprise flaps (6, 7) which project from the rim (4, 5) of the package halves (1, 2) and are connected to this rim (4, 5) by a tearing line, weakening groove, perforation (8) or the like, said flaps preferably being opposite the bridging piece (3) connecting the two package halves (1, 2).
2. Package according to claim 1, characterised in that at least one of the flaps (6, 7) is provided with a tearing tab (12, 13).
EP80900753A 1979-04-23 1980-11-04 Deep-drawn plastics package for eggs, fruit or similar products Expired EP0027453B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT3037/79 1979-04-23
AT0303779A AT364313B (en) 1979-04-23 1979-04-23 PACKING MADE OF DRAWN PLASTIC FILM TO RECEIVE EGGS, FRUIT OR THE LIKE.

Publications (2)

Publication Number Publication Date
EP0027453A1 EP0027453A1 (en) 1981-04-29
EP0027453B1 true EP0027453B1 (en) 1985-08-14

Family

ID=3544305

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80900753A Expired EP0027453B1 (en) 1979-04-23 1980-11-04 Deep-drawn plastics package for eggs, fruit or similar products

Country Status (6)

Country Link
EP (1) EP0027453B1 (en)
AT (1) AT364313B (en)
DE (1) DE3070975D1 (en)
DK (1) DK539780A (en)
NO (1) NO151738C (en)
WO (1) WO1980002276A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2568481A1 (en) * 1984-08-02 1986-02-07 Boules A Jouer Ste Nle Packing case for boules (pétanque) bowls and similar products and all games using bowls in general
GB8826275D0 (en) * 1988-11-10 1988-12-14 Brown W R Improved egg container

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2865548A (en) * 1955-11-04 1958-12-23 Keyes Fibre Co Molded pulp container with tear strip
US3162352A (en) * 1962-03-15 1964-12-22 Alton Box Board Co Egg tray and cover therefor
AT258192B (en) * 1965-06-04 1967-11-10 Ovotherm Ets Packaging made of thermoformed plastic film to hold eggs, fruits or the like.
AT342493B (en) * 1976-03-08 1978-04-10 Berndeisel & Co Johann PACKAGING

Also Published As

Publication number Publication date
NO151738C (en) 1985-06-05
AT364313B (en) 1981-10-12
NO151738B (en) 1985-02-18
WO1980002276A1 (en) 1980-10-30
ATA303779A (en) 1981-02-15
DE3070975D1 (en) 1985-09-19
DK539780A (en) 1980-12-18
NO801164L (en) 1980-10-24
EP0027453A1 (en) 1981-04-29

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