EP0058859A1 - Food-package with perforator for the covering sheet - Google Patents

Food-package with perforator for the covering sheet Download PDF

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Publication number
EP0058859A1
EP0058859A1 EP82100875A EP82100875A EP0058859A1 EP 0058859 A1 EP0058859 A1 EP 0058859A1 EP 82100875 A EP82100875 A EP 82100875A EP 82100875 A EP82100875 A EP 82100875A EP 0058859 A1 EP0058859 A1 EP 0058859A1
Authority
EP
European Patent Office
Prior art keywords
flag
container
edge
piercing tool
predetermined breaking
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.)
Granted
Application number
EP82100875A
Other languages
German (de)
French (fr)
Other versions
EP0058859B1 (en
Inventor
Alfred Von Schuckmann
Fritz Meckenstock
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.)
Mega Product- und Verpackungsentwicklung Marketing & Co KG GmbH
Original Assignee
Mega Product- und Verpackungsentwicklung Marketing & Co KG GmbH
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 Mega Product- und Verpackungsentwicklung Marketing & Co KG GmbH filed Critical Mega Product- und Verpackungsentwicklung Marketing & Co KG GmbH
Priority to AT82100875T priority Critical patent/ATE15350T1/en
Publication of EP0058859A1 publication Critical patent/EP0058859A1/en
Application granted granted Critical
Publication of EP0058859B1 publication Critical patent/EP0058859B1/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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
    • B65D77/2028—Means for opening the cover other than, or in addition to, a pull tab
    • B65D77/2032—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container
    • B65D77/2044—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure
    • B65D77/2048—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut
    • B65D77/2052—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut the container being weakened
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
    • B65D77/2028—Means for opening the cover other than, or in addition to, a pull tab
    • B65D77/2032—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container
    • B65D77/2044—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure
    • B65D77/2048—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut
    • B65D77/2056—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut the cover being weakened
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/72—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials
    • B65D85/80—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials for milk
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
    • B65D2577/10—Container closures formed after filling
    • B65D2577/20—Container closures formed after filling by applying separate lids or covers
    • B65D2577/2008—Rigid cutting or tearing devices

Definitions

  • the invention relates to a pack for food or the like, which is hermetically sealed by means of an opening-side cover film, with a flag projecting radially outward beyond the package container edge and connected to the package container edge, which on its underside forms a cover film equipped with a tip. Piercing tool is formed.
  • Such a package equipped with a so-called opener is known from DE-PS 12 90 481.
  • the piercing tool is formed by a cut-away strip section of the container edge, the free end of which forms a tip on the underside in the form of a punch.
  • the strip section which extends freely along the edge of the container is to be lifted in order to carry out the perforation and pivoted over the perforable area of the cover film.
  • handling difficulties arise in that the punch comes out of its downward position; It takes considerable strength and skill to make the piercing.
  • the piercing plunger even assumes a position that is 90 ° to the piercing direction.
  • the corrective guiding of the strip section also means that the operator himself has to hold the pack more firmly in his hand. It is not uncommon for overpressure to occur, so that splashing of part of the contents cannot always be ruled out during punching.
  • the object of the invention is to avoid disadvantages of the type shown and a generic pack with cover film-through lancing tool so that the user is given a convenient tool that can even be used as a plug.
  • a generic pack for foods which can be opened comfortably and above all without the disadvantages described.
  • the cover sheet piercing tool remains an integral part of the packaging until it is used and is simply broken off from the edge of the container for use. It is held captive by a predetermined breaking point and is immediately recognized by the user as a means to be somehow associated with the removal of the contents, since it is designed in the form of a protruding, tangible flag.
  • the predetermined breaking point is directly adjacent to the cover sheet piercing tool. Accordingly, in addition to the actual function of serving as a tool, there is also the advantageous additional function of stiffening the surface of the flag, particularly in the area of the predetermined breaking point.
  • the flag can be broken off exactly.
  • the predetermined breaking point advantageously lies on the radial between the center of the container and that of the cover film piercing tool.
  • the piercing tool which has been completely detached from the container, can be used to close the pierced removal hole after the contents have been partially removed. This counteracts drying out, thickening or volatilization of the contents for some time.
  • a self-crusting perforation for example in the case of condensed milk as content, has been effectively countered.
  • the cover sheet piercing tool is arranged in the area-widened central section of the flag, the extended end of which is connected to the container edge by a second predetermined breaking point.
  • the area-widened central section of the flag enables the thumb to be conveniently attached as the link of the operating hand that applies the opening pressure.
  • the surface can go beyond the surface cross-section of the actual tool, which brings the simultaneous advantage of a splash guard if the internal pressure goes beyond what is assumed to be normal.
  • the predetermined breaking point is formed by a notch completely separating the cover film and partially severing the protruding container edge.
  • the cover film piercing tool Since the cover film is completely severed, detaching or breaking off the piercing tool in no way already results in the cover film being torn; rather, the hermetic seal is retained until the tool is placed in a willful manner. It is advantageous if the notch is approximately tangential to the circular container edge. This also makes it possible to incorporate part of the rim of the container into the material of the flag, which thereby becomes larger in area. Finally, it is also advantageous that the cover film piercing tool is designed as a hollow cone which is open at the top and which, together with the flag, is closed or overlaid by the cover film.
  • the hermetically sealable packaging for foodstuffs or the like shown in the drawing consists of a weakly conical cup-shaped container 1. Its wall 2 merges into a horizontally outwardly directed edge 3 at the top.
  • the container 1 is designed as a deep-drawn part made of plastic material.
  • the container opening is tightly covered by a cover film 4.
  • a cover film 4 As a rule, it is aluminum foil. This is sealed onto the edge of the container 3.
  • the production takes place in the following steps: deep drawing, filling, sealing, punching.
  • the container 1 When punching, the container 1 receives its final edge contour. It is released from the waste grid. If necessary, edge bridges can remain, so that there is always a pack group of several containers 1 as a so-called bar.
  • the pack container rim 3 continues into a similarly outwardly projecting flag F approximately the size of a fingertip. Its thickness corresponds to that of the edge 3.
  • the flag F is formed into a cover film piercing tool 6 equipped with a tip 5. It is a cone 7 that is deep-drawn at the same time. The tip 5 points vertically downwards.
  • the flag F is connected to the container edge 3 via a predetermined breaking point S. It is closely adjacent to the piercing tool-forming cone 7 and lies in the radial R between the center of the container and the center of the cone 7.
  • the predetermined breaking point S is formed by a cover film 4 which is firmly sealed on and the notch 3 'which partially cuts through the projecting container edge 3 runs approximately tangentially to the circular container edge 3. Taking into account the circular shape of the container outer edge 3 ', a segment-shaped section of the edge 3 still falls in the area of the flag F.
  • the notch 3 "is placed such that the container 1 after breaking off the Flag F remains hermetically closed.
  • the flag F continues beyond the broadened middle section in the embodiment according to FIGS. 1 to 3 into a tongue-like grip tab 10. Its outer edge is convexly rounded and merges smoothly into the circular shape of the container outer edge 3 'via grooves 8, 9.
  • the tool 6 can now be placed on the cover film 4 at any point, preferably near the inner edge, and inserted.
  • the contents of the filling can now be seen from the perforations created. If necessary, two perforations can be made on diametrically opposite edge parts. If there is only one perforation, in which case the filling content can be pumped out through the membrane-like cover film 4, the package can be closed again like a stopper by means of the piercing tool 6.
  • the breaking off of the flag F is promoted by the surface-stiffening effect of the cone 7 in the area near the breaking point, so that the separation is achieved after a small tilting angle of the flag downwards.
  • the latter as has been found, is completed before the tip 5 of the cone 7 approaches the wall 2.
  • the complete covering of the flag by the cover film 4 also leads to a surface-stiffening lamination. Even very flexible film material is given a surprisingly high surface stiffening by the sealed cover film 4.
  • the notch course in the perpendicular to the radial R is the embodiment shown in FIGS. 1 to 3 identified by the line L-L. While the relevant breaking line L-L extends in a stretched manner, in the exemplary embodiment according to FIGS. 4 and 5 it takes a course which corresponds to that of the circular container outer edge 3 '.
  • a cover foil piercing tool 6 of greater overall length is achieved by means of this design, which runs along a partial circumference, but without requiring a greater radial projection.
  • the cone 7 also lies there in an area-widened central section of the flag F.
  • This area widening which also extends up to a fingertip size, runs parallel to the rounding of the cone base in the outward-facing region, and then again in turn through grooves 8 and 9 into a tapering flag. Transition end portion 11 and at the other end to form a handle tab 10 now oriented in the circumferential direction of the container. The latter stands out as a tangible, tongue-like tab.
  • the predetermined breaking points S 1 and S 2 are designed in the form of small material bridges.
  • the predetermined breaking point S 1 lies in the radial R between the container center and the cone center.
  • the second predetermined breaking point S 2 is realized by a material bridge at the end of the flag end section 11, where the end section is rooted in the edge 3.
  • the cover piercing tool 6 can be easily removed from the edge 3 of the container 1, the surface-stiffening function of the cone 7 also proving to promote breakage here.
  • the predetermined breaking point S 1 After severing the predetermined breaking point S 1, it is easy to separate the material bridge of the predetermined breaking point S 2, which binds the long actuating handle in the form of the flag end section 11 to the container, by angling the flag F. This section tapers continuously into the material cross-section forming the breaking points.
  • the cover film tool 6 extends approximately over a quarter circle section of the container edge 3.

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

Abstract

1. A pack for foodstuffs or the like, hermetically closed by a foil cover (4) and having arranged outside the edge (3) of the container of the pack and connected to the edge (3) of the container of the pack a lug (F) which on the under side of it is made into a tool (6) equipped with a spike (5) for piercing the foil cover, characterized in that the lug (F) which continues beyond the piercing-tool (6) into a tab (10) for gripping it, is connected to the edge (3) of the container via a breakoff point (S, S1) directly adjacent to the piercing-tool (6), this breakoff point intersecting the radius (R) between the centre of the container and the tool (6) for piercing the foil cover.

Description

Die Erfindung bezieht sich auf eine mittels einer öffnungsseitigen Abdeckfolie hermetisch verschlossene Packung für Nahrungsmittel oder dergleichen, mit einer über den Packungs-Behälterrand auswärts gerichtet radial vorstehenden, mit dem Packungs-Behälterrand verbundenen Fahne, die an ihrer Unterseite zu einem mit einer Spitze ausgestatteten Abdeckfolien-Durchstechwerkzeug ausgebildet ist.The invention relates to a pack for food or the like, which is hermetically sealed by means of an opening-side cover film, with a flag projecting radially outward beyond the package container edge and connected to the package container edge, which on its underside forms a cover film equipped with a tip. Piercing tool is formed.

Eine solche, mit sogenanntem Öffner ausgestattete Packung ist durch die DE-PS 12 90 481 bekannt. Dort ist das Durchstechwerkzeug von einem freigeschnittenen Streifenabschnitt des Behälterrandes gebildet, dessen freies Ende unterseitig eine Spitze in Form eines Lochstößels ausbildet. Der sich freifliegend entlang des Behälterrandes erstrekkende Streifenabschnitt ist zur Durchführung der Lochung anzuheben und über den lochbaren Bereich der Abdeckfolie zu verschwenken. Hierbei ergeben sich allerdings handhabungstechnische Schwierigkeiten insofern, als der Lochstößel aus seiner abwärts gerichteten Lage tritt; es bedarf schon erheblicher Kraft und Geschicklichkeit, das Durchstechen zu bewirken. Bei einer etwaigen Doppellochung, bei der ein weiteres Schwenken des Streifenabschnittes erforderlich ist, nimmt der Lochstößel sogar eine Lage ein, die 90° zur Stechrichtung liegt. Das korrigierende Führen des Streifenabschnittes führt auch dazu, daß der Bedienende die Packung selbst fester in der Hand halten muß. Nicht selten tritt dabei Überdruck auf, so daß beim Lochen ein Verspritzen eines Teils des Inhaltes nicht immer auszuschließen ist.Such a package equipped with a so-called opener is known from DE-PS 12 90 481. There, the piercing tool is formed by a cut-away strip section of the container edge, the free end of which forms a tip on the underside in the form of a punch. The strip section which extends freely along the edge of the container is to be lifted in order to carry out the perforation and pivoted over the perforable area of the cover film. Here, however, handling difficulties arise in that the punch comes out of its downward position; It takes considerable strength and skill to make the piercing. In the event of any double perforation, in which a further swiveling of the strip section is required, the piercing plunger even assumes a position that is 90 ° to the piercing direction. The corrective guiding of the strip section also means that the operator himself has to hold the pack more firmly in his hand. It is not uncommon for overpressure to occur, so that splashing of part of the contents cannot always be ruled out during punching.

Aufgabe der Erfindung ist es, Nachteile der aufgezeigten Art zu vermeiden und eine gattungsgemäße Packung mit Abdeckfolien-Durchstechwerkzeug so auszubilden, daß dem Benutzer ein bequem bedienbares Werkzeug an die Hand gegeben wird, welches sogar als Verschlußstopfen verwendbar ist.The object of the invention is to avoid disadvantages of the type shown and a generic pack with cover film-through lancing tool so that the user is given a convenient tool that can even be used as a plug.

Gelöst ist diese Aufgabe durch die im Anspruch 1 angegebene Erfindung.This object is achieved by the invention specified in claim 1.

Die Unteransprüche sind vorteilhafte Weiterbildungen des Gegenstandes der Erfindung.The subclaims are advantageous developments of the subject matter of the invention.

Zufolge solcher Ausgestaltung ist eine gattungsgemäße Packung für Nahrungsmittel geschaffen, die sich bequem und vor allen Dingen ohne die geschilderten Nachteile öffnen läßt. Das Abdeckfolien-Durchstechwerkzeug bleibt bis zu seiner Benutzung integraler Bestandteil der Verpackung und wird zu seinem Einsatz einfach vom Rand des Behälters abgebrochen. Es ist daran über eine Sollbruchstelle unverlierbar gehalten und wird vom Benutzer auch sofort als irgendwie mit der Entnahme des Füllgutes in Zusammenhang zu bringendes Mittel erkannt, da es in Form einer überstehenden, greifbaren Fahne gestaltet ist. Die Sollbruchstelle ist dem Abdeckfolien-Durchstechwerkzeug direkt benachbart. Demzufolge besteht neben der eigentlichen Funktion, als Werkzeug zu dienen, auch noch die vorteilhafte Zusatzfunktion der Flächenversteifung der Fahne gerade im Bereich der Sollbruchstelle. Selbst wenn von sehr biegefähigem Tiefzieh-Material ausgegangen wird, ist die gesamte abbruchseitige Zone selbst jedoch sehr flächenstabil, d. h. nicht verbiegbar. Die Fahne läßt sich so exakt abbrechen. In vorteilhafter Weise liegt die Sollbruchstelle auf der Radialen zwischen Behälterzentrum und dem des Abdeckfolien-Durchstechwerkzeuges. Das völlig vom Behälter abgelöste Durchstechwerkzeug kann nach Teilentnahme des Füllinhaltes zum Verschließen des gestochenen Entnahmeloches genutzt werden. Dies wirkt einem Vertrocknen, Eindicken oder Verflüchtigen des Füllinhaltes einige Zeit entgegen. Außerdem ist einer selbstverkrustenden Lochung, bspw. bei Kondensmilch als Inhalt, wirksam begegnet. Weiter ist es von Vorteil, daß das Abdeckfolien-Durchstechwerkzeug im flächenverbreiterten Mittelabschnitt der Fahne angeordnet ist, deren verlängertes Ende durch eine zweite Sollbruchstelle mit dem Behälterrand verbunden ist. Auf diese Weise ist eine eine vergrößerte Handhabe zulassende Version realisiert. Der flächenverbreiterte Mittelabschnitt der Fahne ermöglicht das bequeme Aufsetzen des Daumens als den Öffnungsdruck aufbringendes Glied der Bedienungshand. Die Fläche kann über den Flächenquerschnitt des eigentlichen Werkzeuges hinausgehen, was den gleichzeitigen Vorteil eines Spritzschutzes bringt, falls der Innendruck über das als normal anzunehmende noch hinausgeht. Bei eine weniger große Greiffläche erfordernden Durchstechwerkzeugen, wie bspw. bei Kleinstpackungen, bei denen ein vollständiger Aufbrauch des Füllinhaltes anzunehmen ist, genügt es, wenn sich die Fahne in einen Grifflappen eines ebenfalls auf der Radialen liegenden Griffabschnittes fortsetzt. Weiter ist es von Vorteil, daß die Sollbruchstelle von einer die Abdeckfolie vollständig und den vorstehenden Behälterrand teilweise durchtrennenden Kerbe gebildet ist. Eine solche durchgehende Kerbe hat, zusammen mit dem Vorteil der oben erläuterten Flächenversteifung durch das Durchstechwerkzeug selbst, noch den Vorteil eines stets glatten Bruchs, auch bei nicht ganz im Sinne der gewünschten Knickrichtung ansetzenden Abbruchkräften. Da die Abdeckfolie vollständig durchtrennt ist, hat das Ablösen bzw. Abbrechen des Durchstechwerkzeuges in keiner Weise bereits etwa ein Anreißen der Abdeckfolie zur Folge; der hermetische Abschluß bleibt vielmehr erhalten, bis das willensbetonte Ansetzen des Werkzeuges erfolgt. Vorteilhaft ist es, wenn die Kerbe etwa tangential zum kreisrunden Behälterrand liegt. Hierdurch besteht auch die Möglichkeit, einen Teil des Behälterrandes materialmäßig noch der Fahne einzuverleiben, die dadurch flächengrößer wird. Schließlich ist es noch von Vorteil, daß das Abdeckfolien-Durchstechwerkzeug als nach oben hin offener, hohler Kegel ausgebildet ist, der samt der Fahne von der Abdeckfolie verschlossen bzw. überfangen ist.As a result of such an embodiment, a generic pack for foods is created which can be opened comfortably and above all without the disadvantages described. The cover sheet piercing tool remains an integral part of the packaging until it is used and is simply broken off from the edge of the container for use. It is held captive by a predetermined breaking point and is immediately recognized by the user as a means to be somehow associated with the removal of the contents, since it is designed in the form of a protruding, tangible flag. The predetermined breaking point is directly adjacent to the cover sheet piercing tool. Accordingly, in addition to the actual function of serving as a tool, there is also the advantageous additional function of stiffening the surface of the flag, particularly in the area of the predetermined breaking point. Even if very flexible deep-drawing material is assumed, the entire demolition zone is itself very stable in terms of area, ie it cannot be bent. The flag can be broken off exactly. The predetermined breaking point advantageously lies on the radial between the center of the container and that of the cover film piercing tool. The piercing tool, which has been completely detached from the container, can be used to close the pierced removal hole after the contents have been partially removed. This counteracts drying out, thickening or volatilization of the contents for some time. In addition, a self-crusting perforation, for example in the case of condensed milk as content, has been effectively countered. Further it is from Advantage that the cover sheet piercing tool is arranged in the area-widened central section of the flag, the extended end of which is connected to the container edge by a second predetermined breaking point. In this way, a version allowing an enlarged handle is realized. The area-widened central section of the flag enables the thumb to be conveniently attached as the link of the operating hand that applies the opening pressure. The surface can go beyond the surface cross-section of the actual tool, which brings the simultaneous advantage of a splash guard if the internal pressure goes beyond what is assumed to be normal. In the case of piercing tools that require a smaller gripping surface, such as, for example, in the case of very small packs, in which complete filling of the contents is to be assumed, it is sufficient if the flag continues into a grip tab of a grip section that is also on the radial. Furthermore, it is advantageous that the predetermined breaking point is formed by a notch completely separating the cover film and partially severing the protruding container edge. Such a continuous notch, together with the advantage of the above-mentioned stiffening of the surface by the piercing tool itself, still has the advantage of always having a smooth break, even when the breaking forces are not quite in line with the desired direction of buckling. Since the cover film is completely severed, detaching or breaking off the piercing tool in no way already results in the cover film being torn; rather, the hermetic seal is retained until the tool is placed in a willful manner. It is advantageous if the notch is approximately tangential to the circular container edge. This also makes it possible to incorporate part of the rim of the container into the material of the flag, which thereby becomes larger in area. Finally, it is also advantageous that the cover film piercing tool is designed as a hollow cone which is open at the top and which, together with the flag, is closed or overlaid by the cover film.

Weitere Vorteile und Einzelheiten des Gegenstandes der Erfindung sind nachstehend anhand zweier zeichnerisch veranschaulichter Ausführungsbeispiele näher erläutert. Es zeigt

  • Fig. 1 die Draufsicht auf die erfindungsgemäß ausgebildete Packung gemäß dem ersten Ausführungsbeispiel,
  • Fig. 2 den Schnitt gemäß Linie II-II in Fig. 1,
  • Fig. 3 einen vergrößerten Schnitt als Auszug im Bereich des Abdeckfolien-Durchstechwerkzeuges,
  • Fig. 4 die Draufsicht auf die Packung gemäß dem zweiten Ausführungsbeispiel und
  • Fig. 5 den Schnitt gemäß Linie V-V in Fig. 4.
Further advantages and details of the subject matter of the invention are explained in more detail below on the basis of two illustrative exemplary embodiments. It shows
  • 1 is a top view of the package designed according to the invention according to the first embodiment,
  • 2 shows the section along line II-II in Fig. 1,
  • 3 is an enlarged section as an extract in the area of the cover sheet piercing tool,
  • Fig. 4 is a plan view of the package according to the second embodiment and
  • 5 shows the section along line VV in FIG. 4th

Die in der Zeichnung wiedergegebene, hermetisch verschließbare Packung für Nahrungsmittel oder dergleichen besteht aus einem schwach konisch gestalteten, becherartigen Behälter 1. Seine Wand 2 geht oben in einen horizontal auswärts gerichteten Rand 3 über.The hermetically sealable packaging for foodstuffs or the like shown in the drawing consists of a weakly conical cup-shaped container 1. Its wall 2 merges into a horizontally outwardly directed edge 3 at the top.

Der Behälter 1 ist als Tiefziehteil aus plastischem Material gestaltet. Der selbst praktisch unverformte Rand 3 behält dabei im wesentlichen seine Ausgangsdicke bei.The container 1 is designed as a deep-drawn part made of plastic material. The edge 3, which is itself practically undeformed, essentially retains its initial thickness.

Die Behälteröffnung ist von einer Abdeckfolie 4 dichtschließend überfangen. In der Regel handelt es sich um Aluminiumfolie. Diese ist auf den Behälterrand 3 aufgesiegelt. Die Herstellung geschieht in folgenden Schritten: Tiefziehen, Füllen, Versiegeln, Stanzen.The container opening is tightly covered by a cover film 4. As a rule, it is aluminum foil. This is sealed onto the edge of the container 3. The production takes place in the following steps: deep drawing, filling, sealing, punching.

Beim Stanzen erhält der Behälter 1 seine endgültige Randkontur. Er wird aus dem Abfallgitter herausgelöst. Gegebenenfalls können Randbrücken verbleiben, so daß immer eine Packungsgruppe von mehreren Behältern 1 als sogenannter Riegel vorliegt.When punching, the container 1 receives its final edge contour. It is released from the waste grid. If necessary, edge bridges can remain, so that there is always a pack group of several containers 1 as a so-called bar.

Der Packungs-Behälterrand 3 setzt sich in eine höhengleich auswärts gerichtet vorstehende Fahne F etwa von Fingerkuppengröße fort. Ihre Dicke entspricht der des Randes 3. Die Fahne F ist zu einem mit einer Spitze 5 ausgestatteten Abdeckfolien-Durchstechwerkzeug 6 ausgebildet. Es handelt sich um einen gleichzeitig mit tiefgezogenen Kegel 7. Dessen nach oben offene Basis bzw. der Kegelinnenraum 7' wird von der Abdeckfolie 4 mitverschlossen. Die Spitze 5 weist lotrecht nach unten.The pack container rim 3 continues into a similarly outwardly projecting flag F approximately the size of a fingertip. Its thickness corresponds to that of the edge 3. The flag F is formed into a cover film piercing tool 6 equipped with a tip 5. It is a cone 7 that is deep-drawn at the same time. The tip 5 points vertically downwards.

Die Fahne F ist über eine Sollbruchstelle S mit dem Behälterrand 3 verbunden. Sie ist dem durchstechwerkzeugbildenden Kegel 7 eng benachbart und liegt in der Radialen R zwischen Behälterzentrum und Zentrum des Kegels 7. Beim ersten Ausführungsbeispiel ist die Sollbruchstelle S von einer die fest aufgesiegelte Abdeckfolie 4 vollständig und den vorstehenden Behälterrand 3 teilweise durchtrennenden Kerbe 3" gebildet. Letztere läuft etwa tangential zum kreisrunden Behälterrand 3. Unter Berücksichtigung des kreisrunden Verlaufs des Behälter-Außenrandes 3' fällt ein segmentförmiger Teilabschnitt des Randes 3 noch in den Bereich der Fahne F. Andererseits ist die Kerbe 3" so gelegt, daß der Behälter 1 nach Abbrechen der Fahne F noch hermetisch geschlossen bleibt.The flag F is connected to the container edge 3 via a predetermined breaking point S. It is closely adjacent to the piercing tool-forming cone 7 and lies in the radial R between the center of the container and the center of the cone 7. In the first exemplary embodiment, the predetermined breaking point S is formed by a cover film 4 which is firmly sealed on and the notch 3 'which partially cuts through the projecting container edge 3 runs approximately tangentially to the circular container edge 3. Taking into account the circular shape of the container outer edge 3 ', a segment-shaped section of the edge 3 still falls in the area of the flag F. On the other hand, the notch 3 "is placed such that the container 1 after breaking off the Flag F remains hermetically closed.

Die Fahne F setzt sich über den verbreiterten Mittelabschnitt hinaus beim Ausführungsbeispiel gemäß den Fig. 1 bis 3 noch in einen zungenartigen Grifflappen 10 fort. Dessen Außenkante ist konvex gerundet und geht über Auskehlungen 8, 9 stufenlos in den kreisrunden Verlauf des Behälter-Außenrandes 3' über.The flag F continues beyond the broadened middle section in the embodiment according to FIGS. 1 to 3 into a tongue-like grip tab 10. Its outer edge is convexly rounded and merges smoothly into the circular shape of the container outer edge 3 'via grooves 8, 9.

Zum Ablösen der das Abdeckfolien-Durchstechwerkzeug 6 aufweisenden Fahne F wird diese am Grifflappen 10 gefaßt und nach unten gedrückt, was dank der Sollbruchstelle S zu einem glatten Abbrechen im Bereich der Kerbe 3" führt.In order to detach the flag F having the cover film piercing tool 6, it is gripped by the grip tab 10 and pressed down, which, owing to the predetermined breaking point S, leads to a smooth breaking off in the area of the notch 3 ″.

Das Werkzeug 6 kann nun auf die Abdeckfolie 4 an beliebiger Stelle, vorzugsweise in Innenrandnähe aufgesetzt und eingestochen werden.The tool 6 can now be placed on the cover film 4 at any point, preferably near the inner edge, and inserted.

Über die erzeugte Lochung läßt sich nun der Füllinhalt entnehmen. Bedarfsweise können zwei Lochungen an diametral einander gegenüberliegenden Randpartien vorgenommen werden. Bei nur einer Lochung, in welchem Falle der Füllinhalt durch die membranartig betätigbare Abdeckfolie 4 herausgepumpt werden kann, läßt sich die Packung mittels des Durchstechwerkzeugs 6 wieder stopfenartig verschließen.The contents of the filling can now be seen from the perforations created. If necessary, two perforations can be made on diametrically opposite edge parts. If there is only one perforation, in which case the filling content can be pumped out through the membrane-like cover film 4, the package can be closed again like a stopper by means of the piercing tool 6.

Das Abbrechen der Fahne F wird durch die flächenversteifende Wirkung des Kegels 7 im sollbruchnahen Bereich begünstigt, so daß schon nach Durchführung eines kleinen Kippwinkels der Fahne nach unten die Trennung erreicht wird. Letztere ist, wie gefunden wurde, abgeschlossen, bevor die Spitze 5 des Kegels 7 sich der Wand 2 berührend nähert. Die vollständige Abdeckung der Fahne durch die Abdeckfolie 4 führt überdies zu einer flächenversteifenden Kaschierung. Selbst sehr biegefähiges Folienmaterial erhält durch die aufgesiegelte Abdeckfolie 4 eine überraschend hohe Flächenversteifung.The breaking off of the flag F is promoted by the surface-stiffening effect of the cone 7 in the area near the breaking point, so that the separation is achieved after a small tilting angle of the flag downwards. The latter, as has been found, is completed before the tip 5 of the cone 7 approaches the wall 2. The complete covering of the flag by the cover film 4 also leads to a surface-stiffening lamination. Even very flexible film material is given a surprisingly high surface stiffening by the sealed cover film 4.

Der Kerbenverlauf beim senkrecht zur Radialen R ist Ausführungsbeispiel gemäß den Fig. 1 bis 3 durch die Linie L-L kenntlich gemacht. Während die diesbezügliche Sollbruchlinie L-L gestreckt verläuft, nimmt sie beim Ausführungsbeispiel gemäß den Fig. 4 und 5 einen Verlauf, der dem des kreisrunden Behälter-Außenrandes 3' entspricht. Durch diese über einen Teilumfang mitlaufende Ausbildung wird ein Abdeckfolien-Durchstechwerkzeug 6 größerer Gesamtlänge erreicht, ohne jedoch einen größeren radialen Überstand zu erfordern. Auch dort liegt der Kegel 7 in einem flächenverbreiterten Mittelabschnitt der Fahne F. Diese auch hier bis zu einer Fingerkuppengröße gehende Flächenverbreiterung verläuft im auswärts gerichteten Bereich der Rundung der Kegelbasis parallel folgend, um anschließend wiederum über Auskehlungen 8 und 9 einerseits in einen sich verjüngenden Fahnen-Endabschnitt 11 überzugehen und anderenends einen nun in Umfangsrichtung des Behälters orientierten Grifflappen 10 zu bilden. Letzterer steht als frei greifbare, zungenartige Lasche vor.The notch course in the perpendicular to the radial R is the embodiment shown in FIGS. 1 to 3 identified by the line L-L. While the relevant breaking line L-L extends in a stretched manner, in the exemplary embodiment according to FIGS. 4 and 5 it takes a course which corresponds to that of the circular container outer edge 3 '. A cover foil piercing tool 6 of greater overall length is achieved by means of this design, which runs along a partial circumference, but without requiring a greater radial projection. The cone 7 also lies there in an area-widened central section of the flag F. This area widening, which also extends up to a fingertip size, runs parallel to the rounding of the cone base in the outward-facing region, and then again in turn through grooves 8 and 9 into a tapering flag. Transition end portion 11 and at the other end to form a handle tab 10 now oriented in the circumferential direction of the container. The latter stands out as a tangible, tongue-like tab.

Bei diesem Ausführungsbeispiel sind die Sollbruchstellen S 1 und S 2 in Form kleiner Materialbrücken gestaltet. Die Sollbruchstelle S 1 liegt in der Radialen R zwischen Behälterzentrum und Kegelzentrum. Die zweite Sollbruchstelle S 2 ist von einer Materialbrücke am Ende des Fahnen-Endabschnitts 11 realisiert, wo der Endabschnitt im Rand 3 wurzelt.In this embodiment, the predetermined breaking points S 1 and S 2 are designed in the form of small material bridges. The predetermined breaking point S 1 lies in the radial R between the container center and the cone center. The second predetermined breaking point S 2 is realized by a material bridge at the end of the flag end section 11, where the end section is rooted in the edge 3.

Durch eine willensbetonte Abknickbewegung läßt sich das Abdeck folien-Durchstechwerkzeug 6 bequem vom Rand 3 des Behälters 1 lösen, wobei sich auch hier die flächenversteifende Funktion des Kegels 7 als bruchfördernd erweist. Nach dem Durchtrennen der Sollbruchstelle S 1 ist es ein leichtes, durch Abwinkeln der Fahne F die Materialbrücke der Sollbruchstelle S 2, welche die lange Betätigungshandhabe in Form des Fahnen-Endabschnittes 11 am Behälter fesselt, zu trennen. Dieser Abschnitt verläuft sich kontinuierlich verjüngend in den sollbruchstellenbildenden Materialquerschnitt aus. Das Abdeckfolien-Werkzeug 6 erstreckt sich etwa über einen Viertelkreisabschnitt des Behälterrandes 3.By a willful bending movement, the cover piercing tool 6 can be easily removed from the edge 3 of the container 1, the surface-stiffening function of the cone 7 also proving to promote breakage here. After severing the predetermined breaking point S 1, it is easy to separate the material bridge of the predetermined breaking point S 2, which binds the long actuating handle in the form of the flag end section 11 to the container, by angling the flag F. This section tapers continuously into the material cross-section forming the breaking points. The cover film tool 6 extends approximately over a quarter circle section of the container edge 3.

Alle in der Beschreibung erwähnten und in der Zeichnung dargestellten neuen Merkmale sind erfindungswesentlich, auch soweit sie in den Ansprüchen nicht ausdrücklich beansprucht sind.All the new features mentioned in the description and shown in the drawing are essential to the invention, even if they are not expressly claimed in the claims.

Claims (6)

1. Mittels einer öffnungsseitigen Abdeckfolie hermetisch verschlossene Packung für Nahrungsmittel oder dergleichen, mit einer über den Packungs-Behälterrand auswärts gerichtet radial vorstehenden, mit dem Packungs-Behälterrand verbundenen Fahne, die an ihrer Unterseite zu einem mit einer Spitze ausgestatteten Abdeckfolien-Durchstechwerkzeug ausgebildet ist, dadurch gekennzeichnet, daß die Fahne (F) über eine Sollbruchstelle (S, S 1 und S 2) mit dem Behälterrand (3) verbunden ist, welche Sollbruchstelle dem Abdeckfolien-Durchstechwerkzeug (6) benachbart und auf der Radialen (R) zwischen Behälterzentrum und dem Abdeckfolien-Durchstechwerkzeug (6) liegt.1. By means of an opening-side cover film hermetically sealed package for food or the like, with a flag projecting radially outwardly beyond the package container edge and connected to the package container edge, which is designed on its underside to form a cover film piercing tool equipped with a tip. characterized in that the flag (F) is connected via a predetermined breaking point (S, S 1 and S 2) to the container edge (3), which predetermined breaking point is adjacent to the cover sheet piercing tool (6) and on the radial (R) between the container center and the cover sheet piercing tool (6). 2. Packung nach Anspruch 1, dadurch gekennzeichnet, daß das Abdeckfolien-Durchstechwerkzeug (6) im flächenverbreiterten Mittelabschnitt der Fahne (F) angeordnet ist, deren verschmälertes Ende (Endabschnitt 11) durch eine zweite Sollbruchstelle (S 2) mit dem Behälterrand (3) verbunden ist.2. Pack according to claim 1, characterized in that the cover piercing tool (6) is arranged in the area-widened central portion of the flag (F), the narrowed end (end portion 11) of a second predetermined breaking point (S 2) with the container edge (3) connected is. 3. Packung nach Anspruch 1, dadurch gekennzeichnet, daß die Fahne (F) sich in einen Grifflappen (10) eines ebenfalls auf der Radialen (R) liegenden Griffabschnittes fortsetzt.3. Pack according to claim 1, characterized in that the flag (F) in a grip tab (10) of a also on the radial (R) lying handle portion continues. 4. Packung nach Anspruch 1, dadurch gekennzeichnet, daß die Sollbruchstelle (S) von einer die Abdeckfolie (4) vollständig und den vorstehenden Behälterrand (3) teilweise durchtrennenden Kerbe (3") gebildet ist.4. Pack according to claim 1, characterized in that the predetermined breaking point (S) of a cover sheet (4) completely and the protruding container edge (3) partially severing notch (3 ") is formed. 5. Packung nach Anspruch 4, dadurch gekennzeichnet, daß die Kerbe (3") etwa tangential zum kreisrunden Behälterrand (3') liegt.5. Pack according to claim 4, characterized in that the notch (3 ") is approximately tangential to the circular container edge (3 '). 6. Packung nach Anspruch 1 oder Anspruch 2 dadurch gekennzeichnet, daß das Abdeckfolien-Durchstechwerkzeug (6) als nach oben hin offener, hohler Kegel (7) ausgebildet ist, dessen Kegelinnenraum (7') samt der Fahne (F) von oben her von der Abdeckfolie (4) verschlossen bzw. überfangen ist.6. Pack according to claim 1 or claim 2, characterized in that the cover piercing tool (6) is designed as an upwardly open, hollow cone (7), the cone interior (7 ') together with the flag (F) is closed or overlaid from above by the cover film (4).
EP82100875A 1981-02-20 1982-02-06 Food-package with perforator for the covering sheet Expired EP0058859B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82100875T ATE15350T1 (en) 1981-02-20 1982-02-06 FOOD PACK WITH COVER FILM PUNCHING TOOL.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3106254 1981-02-20
DE3106254 1981-02-20
DE3201286 1982-01-18
DE3201286A DE3201286C2 (en) 1981-02-20 1982-01-18 Food pack with foil piercing tool

Publications (2)

Publication Number Publication Date
EP0058859A1 true EP0058859A1 (en) 1982-09-01
EP0058859B1 EP0058859B1 (en) 1985-09-04

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EP82100875A Expired EP0058859B1 (en) 1981-02-20 1982-02-06 Food-package with perforator for the covering sheet

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EP (1) EP0058859B1 (en)
DE (2) DE3201286C2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0256253A2 (en) * 1986-07-14 1988-02-24 Sandherr Packungen AG Packaging container
EP0330812A1 (en) * 1988-03-01 1989-09-06 Societe Des Produits Nestle S.A. Opener for packages
WO1996004187A1 (en) * 1994-08-05 1996-02-15 Andersen, Irma Container with opening means, making thereof and tool for making container
GB2440392A (en) * 2006-07-22 2008-01-30 Alan Elder System for piercing liquid/fluid containers

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8702305U1 (en) * 1987-02-14 1987-06-11 Rohrbach-Consulting GmbH, 6380 Bad Homburg Portion can, especially milk portion can
DE9212057U1 (en) * 1992-09-08 1992-12-10 Hauck, Martin, 6683 Spiesen-Elversberg Disposable milk containers
DE19941040A1 (en) * 1999-08-28 2001-03-01 Bodo Hoppe Container for liquids and powders has strip on its edge which carries peg and can be pivoted so that it fits into hole in lid and holds it in place
DE10109920A1 (en) * 2001-03-01 2002-09-05 Friedrich Knapp Container with foil cap opener has opening mechanism non-detachably fixed on area of lid to extend from outside upper edge into area of filling opening where it swivels about axis

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE372497C (en) * 1921-01-10 1923-03-29 Frederick Joseph Snook Lid with a knife edge for closed tin cans or the like.
DE1290481B (en) * 1967-09-01 1969-03-06 Hustert Ernst Small box with opener
DE2104956A1 (en) * 1971-02-03 1972-09-14 Vereinigte Aluminium-Werke Ag, 5300 Bonn Round jar for liquid products
AT322436B (en) * 1969-11-06 1975-05-26 Baerenplast Beckmann & Co Kg MUG WITH AT LEAST TWO CHAMBERS SEPARATED BY AT LEAST ONE PARTITION
DE2834650A1 (en) * 1978-08-08 1980-02-21 Albrecht Friedrich Container for fruit juices made of polyethylene-aluminium laminate - and has swivelable cutting metal opener riveted to top part for cutting a pouring or drinking hole

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE372497C (en) * 1921-01-10 1923-03-29 Frederick Joseph Snook Lid with a knife edge for closed tin cans or the like.
DE1290481B (en) * 1967-09-01 1969-03-06 Hustert Ernst Small box with opener
AT322436B (en) * 1969-11-06 1975-05-26 Baerenplast Beckmann & Co Kg MUG WITH AT LEAST TWO CHAMBERS SEPARATED BY AT LEAST ONE PARTITION
DE2104956A1 (en) * 1971-02-03 1972-09-14 Vereinigte Aluminium-Werke Ag, 5300 Bonn Round jar for liquid products
DE2834650A1 (en) * 1978-08-08 1980-02-21 Albrecht Friedrich Container for fruit juices made of polyethylene-aluminium laminate - and has swivelable cutting metal opener riveted to top part for cutting a pouring or drinking hole

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0256253A2 (en) * 1986-07-14 1988-02-24 Sandherr Packungen AG Packaging container
EP0256253A3 (en) * 1986-07-14 1988-10-05 Sandherr Packungen Ag Packaging container
EP0330812A1 (en) * 1988-03-01 1989-09-06 Societe Des Produits Nestle S.A. Opener for packages
AU611754B2 (en) * 1988-03-01 1991-06-20 Societe Des Produits Nestle S.A. Opener for packages
WO1996004187A1 (en) * 1994-08-05 1996-02-15 Andersen, Irma Container with opening means, making thereof and tool for making container
AU691949B2 (en) * 1994-08-05 1998-05-28 Andersen, Irma Container with opening means, making thereof and tool for making container
GB2440392A (en) * 2006-07-22 2008-01-30 Alan Elder System for piercing liquid/fluid containers

Also Published As

Publication number Publication date
DE3201286A1 (en) 1982-09-09
DE3265938D1 (en) 1985-10-10
EP0058859B1 (en) 1985-09-04
DE3201286C2 (en) 1984-04-19

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