EP0295423A2 - Packaging with opening device - Google Patents

Packaging with opening device Download PDF

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Publication number
EP0295423A2
EP0295423A2 EP19880107477 EP88107477A EP0295423A2 EP 0295423 A2 EP0295423 A2 EP 0295423A2 EP 19880107477 EP19880107477 EP 19880107477 EP 88107477 A EP88107477 A EP 88107477A EP 0295423 A2 EP0295423 A2 EP 0295423A2
Authority
EP
European Patent Office
Prior art keywords
perforation line
outside
rivet
tearing
opening
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
EP19880107477
Other languages
German (de)
French (fr)
Other versions
EP0295423B1 (en
EP0295423A3 (en
Inventor
Per Magnus Andersson
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.)
Tetra Laval Holdings and Finance SA
Original Assignee
Tetra Laval Holdings and Finance SA
Tetra Alfa Holdings SA
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 Tetra Laval Holdings and Finance SA, Tetra Alfa Holdings SA filed Critical Tetra Laval Holdings and Finance SA
Priority to AT88107477T priority Critical patent/ATE88151T1/en
Publication of EP0295423A2 publication Critical patent/EP0295423A2/en
Publication of EP0295423A3 publication Critical patent/EP0295423A3/en
Application granted granted Critical
Publication of EP0295423B1 publication Critical patent/EP0295423B1/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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/70—Break-in flaps, or members adapted to be torn-off, to provide pouring openings

Definitions

  • the invention relates to a packaging with an upper base which is at least partially made of a carrier material, e.g. Paper, and has an opening device with a perforation line, along which the pouring opening can be torn open.
  • a carrier material e.g. Paper
  • Such packagings are mostly manufactured and used as disposable packs, preferably for liquids.
  • Milk packaging made of paper or cardboard is known as a carrier material which is coated on both surfaces with plastic.
  • a perforation line is arranged, which runs in the paper itself, but not in the two or at least one plastic layer on one or the other, usually the inside of the package, so that in the case of the liquid as packaging material, it does not enter the paper can penetrate at the interfaces and destroy the package.
  • the pack is therefore liquid-tight.
  • the perforation line specifies a pouring opening, which is arranged in some packs in a double-walled triangular lobe and in other packs directly in the upper surface of the pack, so that the liquid can be poured out well after tearing along the perforation line and thus exposing the pouring opening.
  • the present invention is essentially concerned with the tearing process or means for initiating and improving the tearing.
  • the invention is therefore based on It was the object of the invention to provide the packaging of the type mentioned at the outset with a tear-open device with which the opening of the pouring opening and the gas impermeability of the package can be improved.
  • a gripping and tearing device made of plastic is attached to the outside and inside of the carrier material at at least one point on the perforation line.
  • plastic for the gripping and tearing device, this can advantageously be injected in any desired configurations, so that the tearing and opening of the pouring opening can be improved in particular by the device according to the invention in that the forces directed by the user into the tearing device the correct places can be guided so that the tear process is guaranteed to be initiated in the perforation line.
  • the tear force of the user is completely directed onto the carrier material in the area of the tear device, so that the tear-open begins and takes place along the perforation line with certainty, because the tear, like in known packs, should be along the perforation line and not accidentally next to it.
  • the start of tearing is particularly important, and this is achieved particularly advantageously with the new gripping and tearing device according to the invention.
  • the measures according to the invention also result in the further advantage that packaging equipped with such an opening device is better suited for aseptic conditions because it is substantially impermeable to gases, in particular un permeable to oxygen, as previously known packs or designs still under development. It has been proposed that packs also be designed with an upper base made entirely of plastic without a carrier material, in which an opening device of any configuration can be arranged by spraying. Although such packs can be manufactured very cheaply, practically and economically and can be used for normal liquids that do not have to be packed and stored aseptically, if you want to ensure the sterility of the packaged goods, however, it is disadvantageous to provide a certain permeability of the plastic lid (with the opening device ) for gases.
  • the top floor can be produced, for example, from a support material additionally coated with a metal foil (e.g. aluminum), which has a plug made of plastic only at one or more small points, so to speak. Since this stopper can be kept very small compared to the surface of the top panel and is also thick, the permeability of such an top panel, although it has a practical and easily tearable opening device, can be made largely impermeable to gases.
  • a metal foil e.g. aluminum
  • the tearing device is injected into a hole in the top floor with a rivet-like design in cross section and has a molded web, ring, handle or the like as the gripping device.
  • a large number of gripping devices are known per se for opening devices in liquid packs. It is particularly expedient to attach gripping devices in a variety of forms if they can be produced by injection molding or the like and consist of plastic, as is provided in the case of the present invention. But more important is the tear device, which can preferably be injection molded in one piece with the gripping device.
  • the drawing device tion penetrates the top floor through a hole through which the plastic material can flow from one side of the top floor into the molding space on the other side during injection molding.
  • the cavities in the individual mold parts of the tool are designed in such a way that the tearing device, like a rivet, crosses over the edge of the hole in a mushroom-like manner. If the gripping device is grasped by the user and the force is directed to the tearing device to open the opening device, then the rivet-like design of the tearing device leads to the fact that the tearing forces are guided to the edge of the hole in the top floor and from there to the perforation line, which according to the invention and is conveniently arranged next to a hole edge at a short distance. With the new tear device, the paper or carrier material which is to be torn open so that the pouring opening is created is gripped safely and well, so that the opening is guaranteed for the user without a doubt; And that without additional tools, such as knives or scissors.
  • the attachment point of the tearing device on the top of the package is the tip of the spout of the pouring opening. This advantageously ensures that the start of the tearing process begins at the tip of the spout, i.e. where the liquid jet runs out when pouring out. This eliminates annoying errors when opening the pouring opening of known packs, where tearing takes place in the wrong places, so that the pouring out of the filling material may be considerably restricted.
  • a preferred embodiment of the invention is further characterized in that the hole in the top floor of the package and the tear device are arranged within the pouring opening predetermined by the perforation line in the tearable part of the top floor.
  • the injected Plastic parts should at least partially overlap the inside and outside of the pack in order to provide good anchoring between the tearing device and the backing material. This results in bead-shaped parts which, due to the inventive measures just mentioned, advantageously remain in the part which is torn up or torn open and forms the pouring opening. In particular, bead parts do not remain at the tip of the spout, so that nothing can disturb the proper pouring of the filling material.
  • a particularly preferred embodiment is designed in such a way that, according to the invention, the tearing device outside the package has a radially outside arrangement with respect to the pouring opening, at least partially along the perforation line has running groove for reclosing the pouring opening.
  • This advantage is the installation of the groove and consequently good reclosing. It is useful if the width or thickness of the groove is chosen so that the thickness of the substrate (paper thickness) fits well into the groove.
  • the tear device according to the invention through its production from plastic and the other features and measures mentioned above, allows the groove to be attached in a simple manner and in any configuration: also in such a way that the part which is torn up or torn off (to form the pouring opening ) after the package has been partially emptied, it is folded back into the pouring opening or placed on and pressed in.
  • the indentation takes place in a manner which is generally known to the end user, so that the paper gets into the groove where held by the closure and the opening device is closed.
  • the web below the groove is chamfered in the direction of the top of the pack so that the partially torn piece is pressed or threaded into the hole with the tearing device and the closure can be anchored by snapping.
  • the invention is designed in such a way that the tearing device has the shape of a rivet and has a web attached to it and on the outside of the top panel, which web extends at least partially along and within the perforation line in the tearable part of the top panel of the package and has a groove which is arranged radially on the outside with respect to the pouring opening and is open to the outside for reclosing.
  • the tearing device is not only rivet-shaped in cross-section but three-dimensional like a rivet, that is to say the hole is preferably circular, so that the tearing device passes through the hole from the outside inwards (with respect to the package) like a rivet
  • the edge of the hole overlaps mushroom-like on both sides and thus the forces introduced into the tearing device via the gripping device penetrate the desired location when the opening is torn open, particularly at the start of tearing, namely the perforation line arranged directly next to the rivet.
  • the force is at least partially guided further along the perforation line, although in the region of this web the upper floor is no longer grasped from the inside of the pack with the help of the web and is pulled up. This is generally not necessary because the line of perforations tears open force leads.
  • the reclosing is particularly favored in the last-mentioned embodiment because the tear device can concentrate on a button-like or rivet-like location on the perforation line, but the groove for reclosing still extends over the entire edge of the pouring opening, namely with the aid of the web, which has the groove described outside. It is understood that the web-like part below the groove, i.e. in addition to the surface of the top floor, can also be chamfered inwards and facilitates reclosing and guiding the torn or possibly torn closure.
  • the web has the shape of a ring adapted to the course of the perforation line and the ring also has a rivet-like design at least partially in cross section.
  • the tearing device is not limited to a button-like or rivet-like location, but in the embodiment provided here, at least part of the ring has a rivet-like design in cross section, so that at least on this part of the ring Ausg discernöffnunq is formed by tearing out and the forces are guided via the ring-like web directly to the perforation line.
  • the perfo ration line can be circular, oval, like a polygon or the like, preferably again the spout of the pouring opening is arranged as close as possible to an edge of the top of the package.
  • the pouring opening can be opened completely, i.e. the part of the top of the pack lying within the perforation line is completely torn off and can be placed separately next to the pack. Nevertheless, reclosing is possible in a simple and inexpensive manner, as described above.
  • the web extends along its entire extent along the perforation line (U-shaped or circular) except for one to four places that should be arranged at a distance from one another, penetrating the top floor through slits running alongside the perforation line and in each case in cross-section encompasses mushrooms on both sides (outside and inside the pack).
  • the tearing or tearing forces are guided from the gripping device into the tearing device and, apart from the few bridging points of the paper or carrier material, directly from the web next to the perforation line and finally into it.
  • a tearing is guaranteed exactly along the perforation line, without having to sacrifice the other advantages mentioned above essentially.
  • a liquid pack with an upper base 1 made of a carrier material 2, e.g. Cardboard or paper, which is provided on its outer side with a plastic coating 3 and also on its inner side with a plastic coating 4.
  • a carrier material e.g. Cardboard or paper
  • the top shelf 1 is provided with an opening device, generally designated 5.
  • the opening device 5 has a perforation line 6 (shown as a dash-dotted line in FIGS. 3 and 5), which can also be seen in cross section in FIGS. 2 and 4.
  • a perforation line 6 which here is a self-contained, oval line
  • tear device 7 in the form of the rivet according to the embodiment according to FIGS. 2 and 3 with integrally formed web 8 and gripping device 9; and with cross-section rivet-like web 7 'according to the embodiment of Figures 4 and 5.
  • the pouring opening 10 is ultimately formed by the perforation line 6, which corresponds to the tear-off part 11 of the top panel (within the perforation line 6).
  • the rivet-shaped tearing device 7 is located at the point closest to the side edge 12 of the package and forming the spout tip, shown at 13 in FIG. This practically forms a circular hole 13 'shown in Figure 3 by a broken line.
  • the hole 13 ' is like the rivet-like tearing device 7 in its spatial shape within the perforation line 6, i.e. thus in the tearable part 11 of the top panel 1.
  • From this point 13 of the rivet 7 extends the annular web 8, which according to the illustration in FIG. 2 is only sealed onto the top plastic layer 3 of the top panel 1.
  • the lower outer edge of the annular web 8 is in alignment with the perforation line 6, as can be seen on the right in FIG. 2.
  • the annular web 8 has the groove 14 which is open to the outside and which is arranged radially on the outside with respect to the pouring opening 10 and which completely rotates in an annular manner.
  • the thickness D of the groove 14 (FIG. 2 on the right) is greater than or equal to the paper layer 2, including the plastic layers 3 and 4.
  • the rivet-like tear device 7 has a wedge-shaped bevel for better reclosure on.
  • FIG. 5 is a view of the top floor 1 from within the package in the still unopened state.
  • FIG. 5 in the second embodiment therefore, with the two parallel oval, continuous lines, the mushroom-shaped bead of the rivet-like tearing device 7 'which looks out inside the pack, but which is connected to the upper ring web 8 only via the longitudinal slots 16.
  • the tear-off part 11 of the top floor is connected to the outer part of the top floor via the four points mentioned, where the perforation line 6 can be seen.

Abstract

A container having a top wall being made at least partly of a support material and being coated. The container has an opening device with a puncture line, along which the pouring spout can be torn open. The improved pouring spout having an improved impermeability to gases of the container, and according to the invention having at least at one location of the puncture line a grip means and a tear-off means made of plastic being attached inside and outside to the support material. The tear-off means is preferably molded into a hole in the top wall to have a cross-sectionally rivet-like shape and has a grip means.

Description

Die Erfindung betrifft eine Verpackung mit einem Oberbo­den, der wenigstens teilweise aus einem auf seinen beiden Oberflächen mit Kunststoff beschichtetem Trägermaterial, z.B. Papier, besteht und eine Öffnungsvorrichtung mit ei­ner Perforationslinie aufweist, längs welcher die Aüsgieß­öffnung aufreißbar ist.The invention relates to a packaging with an upper base which is at least partially made of a carrier material, e.g. Paper, and has an opening device with a perforation line, along which the pouring opening can be torn open.

Derartige Verpackungen werden meist als Einwegpackungen hergestellt und verwendet, vorzugsweise für Flüssigkeiten.Such packagings are mostly manufactured and used as disposable packs, preferably for liquids.

Bekannt sind Milchverpackungen aus Papier bzw. Karton als Trägermaterial, welches auf seinen beiden Oberflächen mit Kunststoff beschichtet ist. Im Oberboden der bekannten Verpackung ist eine Perforationslinie angeordnet, welche im Papier selbst verläuft, nicht aber in den beiden oder wenigstens einer Kunststoffschicht auf der einen oder an­deren, meist der Innenseite der Packung, damit hierdurch im Falle der Flüssigkeit als Verpackungsgut diese nicht in das Papier an den Schnittstellen eindringen und die Packung zerstören kann. Trotz Anordnung der Perforations­linie ist die Packung also flüssigkeitsdicht. Die Perfora­tionslinie gibt eine Ausgießöffnung vor, die bei einigen Packungen in einem doppelwandigen Dreiecklappen und bei anderen Packungen direkt in der oberen Fläche der Packung angeordnet ist, so daß man die Flüssigkeit gut ausgießen kann, nachdem längs der Perforationslinie aufgerissen und damit die Ausgießöffnung freigelegt ist.Milk packaging made of paper or cardboard is known as a carrier material which is coated on both surfaces with plastic. In the top of the known packaging, a perforation line is arranged, which runs in the paper itself, but not in the two or at least one plastic layer on one or the other, usually the inside of the package, so that in the case of the liquid as packaging material, it does not enter the paper can penetrate at the interfaces and destroy the package. Despite the arrangement of the perforation line, the pack is therefore liquid-tight. The perforation line specifies a pouring opening, which is arranged in some packs in a double-walled triangular lobe and in other packs directly in the upper surface of the pack, so that the liquid can be poured out well after tearing along the perforation line and thus exposing the pouring opening.

Die vorliegende Erfindung befaßt sich im wesentlichen mit dem Aufreißvorgang bzw. Mitteln zur Einleitung und Verbes­serung des Aufreißens. Der Erfindung liegt daher die Auf­ gabe zugrunde, die Verpackung der eingangs bezeichneten Art mit einer Aufreißvorrichtung zu versehen, mit welcher das Öffnen der Ausgießöffnung und die Gasundurchlässigkeit der Packung verbessert werden können.The present invention is essentially concerned with the tearing process or means for initiating and improving the tearing. The invention is therefore based on It was the object of the invention to provide the packaging of the type mentioned at the outset with a tear-open device with which the opening of the pouring opening and the gas impermeability of the package can be improved.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß an wenigstens einer Stelle der Perforationslinie eine Greif-­und Reißeinrichtung aus Kunststoff außen und innen am Trä­germaterial angebracht ist. Durch die Verwendung von Kunststoff für die Greif- und Reißeinrichtung kann diese mit Vorteil in beliebig gewünschten Ausgestaltungen ge­spritzt werden, so daß durch die erfindungsgemäße Einrich­tung das Aufreißen und Öffnen der Ausgießöffnung dadurch insbesondere verbessert werden kann, daß die vom Benutzer in die Reißeinrichtung geleiteten Kräfte an die richtigen Stellen geführt werden können, so daß der Einreißvorgang garantiert in die Perforationslinie eingeleitet wird. Wichtig ist auch die Anbringung der Reißeinrichtung sowohl außen als auch innen am Trägermaterial (während die Greif­einrichtung selbstverständlich nur außerhalb der Packung angebracht ist). Durch das Eingreifen der Reißeinrichtung auch am Trägermaterial innen, d.h. von der Außenseite der Packung und zusätzlich der Innenseite der Packung, wird die Aufreißkraft des Benutzers vollständig auf das Träger­material im Bereich der Reißeinrichtung geleitet, so daß das Aufreißen mit Sicherheit längs der Perforationslinie beginnt und erfolgt, denn das Reißen soll wie auch bei be­kannten Verpackungen längs der Perforationslinie und nicht versehentlich daneben erfolgen. Besonders wichtig ist be­kanntlich der Beginn des Einreißens, und dieser gelingt besonders vorteilhaft mit der neuen Greif- und Reißein­richtung gemäß der Erfindung.This object is achieved in that a gripping and tearing device made of plastic is attached to the outside and inside of the carrier material at at least one point on the perforation line. By using plastic for the gripping and tearing device, this can advantageously be injected in any desired configurations, so that the tearing and opening of the pouring opening can be improved in particular by the device according to the invention in that the forces directed by the user into the tearing device the correct places can be guided so that the tear process is guaranteed to be initiated in the perforation line. It is also important to attach the tear device both outside and inside of the carrier material (while the gripping device is of course only attached outside the package). By engaging the tearing device also on the inside of the carrier material, i.e. from the outside of the pack and additionally the inside of the pack, the tear force of the user is completely directed onto the carrier material in the area of the tear device, so that the tear-open begins and takes place along the perforation line with certainty, because the tear, like in known packs, should be along the perforation line and not accidentally next to it. As is well known, the start of tearing is particularly important, and this is achieved particularly advantageously with the new gripping and tearing device according to the invention.

Es ergibt sich durch die erfindungsgemäßen Maßnahmen aber auch der weitere Vorteil, daß eine mit einer derartigen Öffnungsvorrichtung ausgestattete Verpackung besser für aseptische Bedingungen geeignet ist, weil sie in wesent­lich größerem Maße gasundurchlässig ist, insbesondere un­ durchlässig für Sauerstoff, als bisher bekannte Packungen oder auch noch in der Entwicklung befindliche Konstruktio­nen. Es ist nämlich vorgeschlagen worden, Packungen auch mit einem vollständig aus Kunststoff ohne Trägermaterial bestehenden Oberboden auszugestalten, in dem eine Öff­nungsvorrichtung beliebiger Ausgestaltung durch Spritzen angeordnet werden kann. Zwar können solche Packungen sehr günstig, praktisch und wirtschaftlich hergestellt und für normale Flüssigkeiten, die nicht aseptisch verpackt und aufbewahrt werden müssen, verwendet werden, will man aber Sterilität des Verpackungsgutes gewährleisten, dann stellt man mit Nachteil eine gewisse Durchlässigkeit des Kunst­stoffdeckels (mit der Öffnungsvorrichtung) für Gase fest.However, the measures according to the invention also result in the further advantage that packaging equipped with such an opening device is better suited for aseptic conditions because it is substantially impermeable to gases, in particular un permeable to oxygen, as previously known packs or designs still under development. It has been proposed that packs also be designed with an upper base made entirely of plastic without a carrier material, in which an opening device of any configuration can be arranged by spraying. Although such packs can be manufactured very cheaply, practically and economically and can be used for normal liquids that do not have to be packed and stored aseptically, if you want to ensure the sterility of the packaged goods, however, it is disadvantageous to provide a certain permeability of the plastic lid (with the opening device ) for gases.

Durch die erfindungsgemäße Öffnungsvorrichtung kann man den Oberboden beispielsweise aus einem zusätzlich mit ei­ner Metallfolie (z.B. Aluminium) beschichteten Trägerma­terial herstellen, der nur an einer oder mehreren kleinen Stellen sozusagen einen Stopfen aus Kunststoff hat. Da dieser Stopfen im Vergleich zur Fläche des Oberbodens sehr klein gehalten werden kann und außerdem dick ist, kann die Durchlässigkeit eines solchen Oberbodens, obwohl er eine praktische und gut aufreißbare Öffnungsvorrichtung hat, für Gase weitgehend undurchlässig hergestellt werden.By means of the opening device according to the invention, the top floor can be produced, for example, from a support material additionally coated with a metal foil (e.g. aluminum), which has a plug made of plastic only at one or more small points, so to speak. Since this stopper can be kept very small compared to the surface of the top panel and is also thick, the permeability of such an top panel, although it has a practical and easily tearable opening device, can be made largely impermeable to gases.

Besonders zweckmäßig ist es erfindungsgemäße, wenn die Reißeinrichtung in ein Loch im Oberboden mit einer im Querschnitt nietenartigen Gestaltung eingespritzt ist und als Greifeinrichtung einen angespritzten Steg, Ring, Griff oder dergleichen aufweist. Greifeinrichtungen sind für Öffnungsvorrichtungen bei Flüssigkeitspackungen in einer großen Vielzahl an sich bekannt. Besonders zweckmäßig kann man Greifeinrichtungen in vielgestaltiger Form anbringen, wenn sie durch Spritzgießen oder dergleichen herstellbar sind und aus Kunststoff bestehen, wie dies im Falle der vorliegenden Erfindung vorgesehen ist. Wichtiger aber ist die Reißeinrichtung, die vorzugsweise mit der Greifein­richtung einstückig gespritzt sein kann. Die Reißeinrich­ tung durchgreift den Oberboden durch ein Loch, durch wel­chen beim Spritzformen das Kunststoffmaterial von der ei­nen Seite des Oberbodens in den Formraum auf dessen andere Seite fließen kann. Die Hohlräume in den einzelnen Form­teilen des Werkzeuges sind so ausgestaltet, daß die Reiß­einrichtung im Querschnitt wie eine Niete aussehend den Rand des Lochens pilzartig übergreift. Wird vom Benutzer die Greifeinrichtung erfaßt und zum Öffnen der Öffnungs­vorrichtung die Kraft auf die Reißeinrichtung geleitet, dann führt die nietenartige Gestaltung der Reißeinrichtung dazu, daß die Reißkräfte auf den Rand des Loches im Ober­boden geführt und von dort in die Perforationslinie gelei­tet werden, welche erfindungsgemäß und in zweckmäßiger Weise neben einem Lochrand in geringem Abstand angeordnet ist. Mit der neuen Reißeinrichtung wird also das Papier bzw. Trägermaterial, welches aufgerissen werden soll, da­mit die Ausgießöffnung entsteht, sicher und gut ergriffen, so daß die Öffnung für den Benutzer ohne Zweifel garan­tiert ist; und das ohne zusätzliche Werkzeuge, wie z.B. Messer oder Schere.It is particularly expedient according to the invention if the tearing device is injected into a hole in the top floor with a rivet-like design in cross section and has a molded web, ring, handle or the like as the gripping device. A large number of gripping devices are known per se for opening devices in liquid packs. It is particularly expedient to attach gripping devices in a variety of forms if they can be produced by injection molding or the like and consist of plastic, as is provided in the case of the present invention. But more important is the tear device, which can preferably be injection molded in one piece with the gripping device. The drawing device tion penetrates the top floor through a hole through which the plastic material can flow from one side of the top floor into the molding space on the other side during injection molding. The cavities in the individual mold parts of the tool are designed in such a way that the tearing device, like a rivet, crosses over the edge of the hole in a mushroom-like manner. If the gripping device is grasped by the user and the force is directed to the tearing device to open the opening device, then the rivet-like design of the tearing device leads to the fact that the tearing forces are guided to the edge of the hole in the top floor and from there to the perforation line, which according to the invention and is conveniently arranged next to a hole edge at a short distance. With the new tear device, the paper or carrier material which is to be torn open so that the pouring opening is created is gripped safely and well, so that the opening is guaranteed for the user without a doubt; And that without additional tools, such as knives or scissors.

Bei vorteilhafter weiterer Ausgestaltung der Erfindung ist die Anbringstelle der Reißeinrichtung am Oberboden der Packung die Tüllenspitze der Ausgießöffnung. Mit Vorteil ist hierdurch sichergestellt, daß der Beginn des Aufreiß­vorganges an der Tüllenspitze der Ausgießöffnung beginnt, d.h. dort, wo der Flüssigkeitsstrahl beim Ausgießen jeden­falls herausläuft. Dadurch entfallen ärgerliche Fehler beim Öffnen der Ausgießöffnung bekannter Packungen, wo ein Einreißen an falschen Stellen erfolgt, so daß das Ausgie­ßen des Füllgutes unter Umständen erheblich eingeschränkt wird.In an advantageous further embodiment of the invention, the attachment point of the tearing device on the top of the package is the tip of the spout of the pouring opening. This advantageously ensures that the start of the tearing process begins at the tip of the spout, i.e. where the liquid jet runs out when pouring out. This eliminates annoying errors when opening the pouring opening of known packs, where tearing takes place in the wrong places, so that the pouring out of the filling material may be considerably restricted.

Eine bevorzugter Ausführungsform der Erfindung ist weiter­hin dadurch gekennzeichnet, daß das Loch im Oberboden der Packung und die Reißeinrichtung innerhalb der durch die Perforationslinie vorgegebenen Ausgießöffnung im aufreiß­baren Teil des Oberbodens angeordnet sind. Die eingespritz­ ten Kunststoffteile sollen das Trägermaterial wenigstens teilweise auf der Innenseite und auf der Außenseite der Packung übergreifen, um eine gute Verankerung zwischen Reißeinrichtung und Trägermaterial vorzusehen. Dadurch er­geben sich wulstförmige Teile, welche in vorteilhafter Weise durch die soeben erwähnten erfindungsgemäßen Maßnah­men in demjenigen Teil verbleiben, der hochgerissen oder aufgerissen wird und die Ausgießöffnung bildet. Insbeson­dere an der Tüllenspitze bleiben daher Wulstteile nicht stehen, so daß ein einwandfreies Ausgießen des Füllgutes durch nichts gestört wird.A preferred embodiment of the invention is further characterized in that the hole in the top floor of the package and the tear device are arranged within the pouring opening predetermined by the perforation line in the tearable part of the top floor. The injected Plastic parts should at least partially overlap the inside and outside of the pack in order to provide good anchoring between the tearing device and the backing material. This results in bead-shaped parts which, due to the inventive measures just mentioned, advantageously remain in the part which is torn up or torn open and forms the pouring opening. In particular, bead parts do not remain at the tip of the spout, so that nothing can disturb the proper pouring of the filling material.

Außer dem guten Ausgießen und den vorstehend erwähnten Vorteilen kann man aber erfindungscemäß auch noch einen weiteren Vorteil erreichen, wenn man nämlich eine beson­ders bevorzugte Ausführungsform so ausgestaltet, daß er­findungsgemäß die Reißeinrichtung außerhalb der Packung eine bezüglich der Ausgießöffnung radial außerhalb ange­ordnete, wenigstens teilweise längs der Perforationslinie verlaufende Nut zum Wiederverschließen der Ausgießöffnung aufweist. Dieser Vorteil ist die Anbringung der Nut und folglich ein gutes Wiederverschließen. Dabei ist es zweck­mäßig, wenn die Breite oder Dicke der Nut so gewählt wird, daß die Dicke des Trägermaterials (Papierdicke) gut in die Nut hineinpaßt. Nach dem Aufreißen der Öffnung mit Hilfe der erfindungsgemäßen Reißeinrichtung und nach teilweisem Entleeren der Packung hat der Benutzer oft den Wunsch, die Packung möglichst dicht wieder zu verschließen. Die Reiß­einrichtung gemäß der Erfindung erlaubt durch ihre Her­stellung aus Kunststoff und die anderen vorstehend erwähn­ten Merkmale und Maßnahmen, daß die Anbringung der Nut in einfacher Weise und in beliebiger Gestaltung erfolgen kann: also auch derart, daß der hochgerissene oder abge­rissene Teil (zur Bildung der Ausgießöffnung) nach dem teilweisen Entleeren der Packung wieder in die Ausgießöff­nung herntergeklappt oder aufgelegt und eingedrückt wird. Das Eindrücken erfolgt in für den Endverbraucher allgemein bekannten Weise, so daß das Papier in die Nut gelangt, wo­ durch der Verschluß gehalten und die Öffnungsvorrichtung verschlossen ist.In addition to the good pouring and the advantages mentioned above, another advantage can also be achieved according to the invention if a particularly preferred embodiment is designed in such a way that, according to the invention, the tearing device outside the package has a radially outside arrangement with respect to the pouring opening, at least partially along the perforation line has running groove for reclosing the pouring opening. This advantage is the installation of the groove and consequently good reclosing. It is useful if the width or thickness of the groove is chosen so that the thickness of the substrate (paper thickness) fits well into the groove. After the opening has been torn open with the aid of the tearing device according to the invention and after the package has been partially emptied, the user often wishes to close the package as tightly as possible. The tear device according to the invention, through its production from plastic and the other features and measures mentioned above, allows the groove to be attached in a simple manner and in any configuration: also in such a way that the part which is torn up or torn off (to form the pouring opening ) after the package has been partially emptied, it is folded back into the pouring opening or placed on and pressed in. The indentation takes place in a manner which is generally known to the end user, so that the paper gets into the groove where held by the closure and the opening device is closed.

Besonders vorteilhaft ist es, wenn der Steg unterhalb der Nut in Richtung des Oberbodens der Packung keilförmig an­geschrägt ist, so daß das Eindrücken oder Einfädeln des teilweise abgerissenen Stückes mit der Reißeinrichtung gut in das Loch erfolgt und der Verschluß durch Einschnappen verankert werden kann.It is particularly advantageous if the web below the groove is chamfered in the direction of the top of the pack so that the partially torn piece is pressed or threaded into the hole with the tearing device and the closure can be anchored by snapping.

Weiterhin ist die Erfindung gemäß einer anderen bevorzug­ten Ausführungsform so ausgestaltet, daß die Reißeinrich­tung die Gestalt einer Niet hat und an dieser und auf dem Oberboden außen angebracht einen Steg aufweist, der sich wenigstens teilweise längs sowie innerhalb der Perfora­tionslinie im aufreißbaren Teil des Oberbodens der Packung erstreckt und eine bezüglich der Ausgießöffnung radial außen angeordnete, nach außen offene Nut zum Wiederver­schließen aufweist.Furthermore, according to another preferred embodiment, the invention is designed in such a way that the tearing device has the shape of a rivet and has a web attached to it and on the outside of the top panel, which web extends at least partially along and within the perforation line in the tearable part of the top panel of the package and has a groove which is arranged radially on the outside with respect to the pouring opening and is open to the outside for reclosing.

Die Reißeinrichtung ist bei der jetzt beschriebenen bevor­zugten Ausführungsform nicht nur im Querschnitt nietenför­mig sondern dreidimensional wie eine Niet ausgestaltet, d.h. das Loch ist vorzugsweise kreisförmig, so daß die Reißeinrichtung wie eine Niet durch das Loch von außen nach innen (bezüglich der Packung) hindurchgeht, den Loch­rand pilzartig auf beiden Seiten übergreift und somit über die Greifeinrichtung in die Reißeinrichtung eingeleitete Kräfte beim Aufreißen der Öffnung an die ge­wünschte Stelle dringt, insbesondere zu Beginn des Einrei­ßens, nämlich an die direkt neben der Reißniete angeordne­te Perforationslinie. Durch den Steg, welcher an der niet­förmigen Reißeinrichtung angeformt ist, wird die Kraft wenigstens teilweise weiter längs der Perforationslinie geführt, obgleich im Bereich dieses Steges der Oberboden nicht mehr von der Packungsinnenseite mit Hilfe des Steges erfaßt und hochgerissen wird. Dies ist im allgemeinen auch nich notwendig, weil die Perforationslinie die Aufreiß­ kraft führt.In the preferred embodiment now described, the tearing device is not only rivet-shaped in cross-section but three-dimensional like a rivet, that is to say the hole is preferably circular, so that the tearing device passes through the hole from the outside inwards (with respect to the package) like a rivet The edge of the hole overlaps mushroom-like on both sides and thus the forces introduced into the tearing device via the gripping device penetrate the desired location when the opening is torn open, particularly at the start of tearing, namely the perforation line arranged directly next to the rivet. Through the web, which is formed on the rivet-shaped tearing device, the force is at least partially guided further along the perforation line, although in the region of this web the upper floor is no longer grasped from the inside of the pack with the help of the web and is pulled up. This is generally not necessary because the line of perforations tears open force leads.

Das Wiederverschließen wird aber bei der zuletzt genannten Ausführungsform besonders begünstigt, weil sich die Reiß­einrichtung auf eine knopfartige oder nietenartige Stelle an der Perforationslinie konzentrieren kann, die Nut zum Wiederverschließen sich dennoch aber über den gesamten Rand der Ausgießöffnung erstreckt, nämlich mit Hilfe des Steges, der außen die beschriebene Nut aufweist. Es ver­steht sich, daß der stegartige Teil unterhalb der Nut, d.h. neben der Oberfläche des Oberbodens, ebenfalls nach innen abgeschrägt sein kann und das Wiederverschließen und das Führen des aufgerissenen oder gegebenenfalls abge­rissenen Verschlusses erleichtert.The reclosing is particularly favored in the last-mentioned embodiment because the tear device can concentrate on a button-like or rivet-like location on the perforation line, but the groove for reclosing still extends over the entire edge of the pouring opening, namely with the aid of the web, which has the groove described outside. It is understood that the web-like part below the groove, i.e. in addition to the surface of the top floor, can also be chamfered inwards and facilitates reclosing and guiding the torn or possibly torn closure.

Zu beachten ist auch der weitere Vorteil, daß selbst bei einem rinförmig ausgestalteten Steg der aufreißbare Teil des Trägermaterials im Oberboden innerhalb der Perfora­tionslinie an diesem Steg hängen bleibt, so daß die Hand­habe sowohl zum Öffnen als auch zum Wiederverschließen er­heblich erleichtert wird. Das Wiederverschließen mit einer solchen Reißeinrichtung mit Niet und Steg gelingt sogar weitgehend zwecks staubfreier Abdeckung.It should also be noted the further advantage that even in the case of a rib-shaped web, the tearable part of the carrier material in the top floor remains stuck to this web within the perforation line, so that handling both for opening and for reclosing is made considerably easier. The reclosing with such a tearing device with rivet and web is even largely possible for the purpose of dust-free covering.

Vorteilhaft ist es gemäß der Erfindung ferner, wenn die Perforationslinie im Oberboden der Packung in sich ge­schlossen ist, der Steg die Form eines an den Verlauf der Perforationslinie angepaßten Ringes hat und der Ring eben­falls wenigstens teilweise im Querschnitt nietenartige Ge­staltung hat. Anders als bei der vorstehend beschriebenen Ausführungsform der Erfindung ist die Reißeinrichtung hier nicht auf eine knopfartige oder nietenartige Stelle be­schränkt, sondern bei der hier vorgesehenen Ausführungs­form weist wenigstens ein Teil des Ringes eine im Quer­schnitt nietenartige Gestaltung auf, so daß wenigstens auf diesem Teil des Ringes die Ausgießöffnunq durch Herausrei­ßen gebildet wird und die Kräfte über den ringartigen Steg direkt an die Perforationslinie geführt werden. Die Perfo­ rationslinie kann hierbei kreisförmig, ovalförmig, wie ein Vieleck geführt sein oder dergleichen, wobei vorzugsweise wiederum die Tülle der Ausgießöffnung möglichst nahe einer Kante des Oberbodens der Packung angeordnet wird.It is also advantageous according to the invention if the perforation line in the top floor of the package is self-contained, the web has the shape of a ring adapted to the course of the perforation line and the ring also has a rivet-like design at least partially in cross section. In contrast to the embodiment of the invention described above, the tearing device is not limited to a button-like or rivet-like location, but in the embodiment provided here, at least part of the ring has a rivet-like design in cross section, so that at least on this part of the ring Ausgießöffnunq is formed by tearing out and the forces are guided via the ring-like web directly to the perforation line. The perfo ration line can be circular, oval, like a polygon or the like, preferably again the spout of the pouring opening is arranged as close as possible to an edge of the top of the package.

Denkbar ist beispielsweise in Unteransicht des Oberbodens der Packung, d.h. von innen gesehen, die Gestalt eines U für den Steg, so daß die Ausgießöffnung nur durch Aufrei­ßen entsteht und der aufreißbare Teil am Oberboden hängen bleibt. Bei einer anderen Ausführungsform, wenn die Perfo­rationslinie in sich geschlossen ist, ist die Ausgießöff­nung vollständig aufreißbar, d.h. der innerhalb der Perfo­rationslinie liegende Teil des Oberbodens der Packung wird vollständig abgerissen und kann separat neben die Packung gelegt werden. Dennoch gelingt ein Wiederverschließen in einfacher und günstiger Weise, wie vorstehend beschrieben.It is conceivable, for example, in the bottom view of the top of the pack, i.e. seen from the inside, the shape of a U for the web, so that the pouring opening is only created by tearing open and the tearable part remains on the top floor. In another embodiment, when the perforation line is self-contained, the pouring opening can be opened completely, i.e. the part of the top of the pack lying within the perforation line is completely torn off and can be placed separately next to the pack. Nevertheless, reclosing is possible in a simple and inexpensive manner, as described above.

Denkbar ist eine Ausführungsform, bei welcher der Steg längs seiner gesamten Erstreckung längs der Perforations­linie (U- oder kreisförmig) bis auf eine bis vier Stellen, die im Abstand voneinander angeordnet sein sollten, den Oberboden durch neben der Perforationslinie verlaufende Schlitze durchdringt und jeweils im Querschnitt pilzartig beidseitig (außerhalb und innerhalb der Packung) umgreift. Bei einer solchen Ausführungsform werden die Aufreiß- bzw. Abreißkräfte aus der Greifeinrichtung in die Reißeinrich­tung und bis auf die wenigen Überbrückungsstellen des Pa­piers bzw. Trägermaterials direkt aus dem Steg neben die Perforationslinie und schließlich in diese hineingeführt. Ein Aufreißen ist dadurch exakt längs der Perforationsli­nie garantiert, ohne daß die anderen oben erwähnten Vor­teile im wesentlichen geopfert werden müßten.An embodiment is conceivable in which the web extends along its entire extent along the perforation line (U-shaped or circular) except for one to four places that should be arranged at a distance from one another, penetrating the top floor through slits running alongside the perforation line and in each case in cross-section encompasses mushrooms on both sides (outside and inside the pack). In such an embodiment, the tearing or tearing forces are guided from the gripping device into the tearing device and, apart from the few bridging points of the paper or carrier material, directly from the web next to the perforation line and finally into it. A tearing is guaranteed exactly along the perforation line, without having to sacrifice the other advantages mentioned above essentially.

Weitere Vorteile, Merkmale und Anwendungsmöglichkeiten der vorliegenden Erfindunq ergeben sich aus der folgenden Be­schreibung bevorzugter Ausführungsbeispiele anhand der Zeichnungen. Es zeigen:

  • Figur 1 abgebrochen perspektivisch die Draufsicht auf den Oberboden einer verschlossenen Packung mit der Öffnungsvorrichtung gemäß der Erfindung,
  • Figur 2 perspektivisch, teilweise geschnitten und abgebro­chen eine Ansicht durch die Ausgangsform der Figur 1 entlang der Linie II-II in vergrößertem Maßstab,
  • Figur 3 eine Ansicht auf den Oberboden gemäß Figur 2 von innerhalb der Packung gesehen, rechts wiederum ab­gebrochen,
  • Figur 4 eine ähnliche Ansicht wie Figur 2, jedoch bei ei­ner anderen Ausführungsform, bei welcher der ring­förmige Steg ebenfalls im Querschnitt nietenförmig ausgestaltet ist, und
  • Figur 5 eine ähnliche Ansicht wie Figur 3, jedoch hier zur Veranschaulichung einer weiteren anderen Ausfüh­rungsform ähnlich der Figur 4.
Further advantages, features and possible uses of the present invention result from the following description of preferred exemplary embodiments with reference to the drawings. Show it:
  • FIG. 1 shows a perspective view of the top view of the top floor of a closed package with the opening device according to the invention,
  • FIG. 2 is a perspective, partially cut and broken view of the initial shape of FIG. 1 along the line II-II on an enlarged scale,
  • FIG. 3 shows a view of the top shelf according to FIG. 2 seen from inside the package, again broken off on the right,
  • Figure 4 is a view similar to Figure 2, but in another embodiment in which the annular web is also rivet-shaped in cross section, and
  • FIG. 5 shows a view similar to FIG. 3, but here to illustrate a further different embodiment similar to FIG. 4.

Alle in den Zeichnungsfiguren dargestellte Ausführungsfor­men betreffen eine Fiüssigkeitspackung mit einem Oberboden 1, der aus einem Trägermaterial 2, z.B. Karton oder Papier, besteht, welches auf seiner Packungsaußenseite mit einer Kunststoffbeschichtung 3 und auch auf seiner Packungsin­nenseite mit einer Kunststoffbeschichtung 4 versehen ist.All of the embodiments shown in the drawing figures relate to a liquid pack with an upper base 1 made of a carrier material 2, e.g. Cardboard or paper, which is provided on its outer side with a plastic coating 3 and also on its inner side with a plastic coating 4.

Der Oberboden 1 ist mit einer allgemein mit 5 bezeichneten Öffnungsvorrichtung versehen.The top shelf 1 is provided with an opening device, generally designated 5.

Die Öffnungsvorrichtung 5 weist eine (in den Figuren 3 und 5 als strichpunktierte Linie dargestellte) Perforations­linie 6 auf, die man im Querschnitt auch in den Figuren 2 und 4 erkennt. Längs dieser Perforationslinie 6, die hier eine in sich geschlossene, ovale Linie ist, befindet sich die Reißeinrichtung 7 in Form der Niet gemäß der Aus­führungsform nach den Figuren 2 und 3 mit angeformtem Steg 8 und Greifeinrichtung 9; und mit im Querschnitt nietenar­tigem Steg 7′ nach der Ausführungsform der Figuren 4 und 5.The opening device 5 has a perforation line 6 (shown as a dash-dotted line in FIGS. 3 and 5), which can also be seen in cross section in FIGS. 2 and 4. Along this perforation line 6, which here is a self-contained, oval line, there is the tear device 7 in the form of the rivet according to the embodiment according to FIGS. 2 and 3 with integrally formed web 8 and gripping device 9; and with cross-section rivet-like web 7 'according to the embodiment of Figures 4 and 5.

Durch die Perforationslinie 6 wird letztlich die Ausgieß­öffnung 10 gebildet, welche dem abreißbaren Teil 11 des Oberbodens (innerhalb der Perforationslinie 6) entspricht.The pouring opening 10 is ultimately formed by the perforation line 6, which corresponds to the tear-off part 11 of the top panel (within the perforation line 6).

Bei der Ausführungsform der Figuren 2 und 3 befindet sich die nietenförmige Reißeinrichtung 7 an der der Seitenkan­te 12 der Packung nächstliegenden und die Tüllenspitze bildenden, in Figur 2 bei 13 gezeigten Stelle. Dadurch wird praktisch ein kreisförmiges, in Figur 3 durch eine gestrichelte Linie gezeigtes Loch 13′ gebildet. Das Loch 13′ befindet sich wie auch die in ihrer Raumform nietenar­tige Reißeinrichtung 7 innerhalb der Perforationslinie 6, d.h. also im abreißbaren Teil 11 des Oberbodens 1. Von dieser Stelle 13 der Niet 7 erstreckt sich der ringförmige Steg 8, welcher gemäß Darstellung der Figur 2 lediglich oben auf die obere Kunststoffschicht 3 des Oberbodens 1 aufgesiegelt ist. Die untere Außenkante des ringförmigen Steges 8 liegt in Flucht zur Perforationslinie 6, wie man in Figur 2 rechts erkennt. Außerdem weist der ringförmige Steg 8 die nach außen offene und bezüglich der Ausgießöff­nung 10 radial außen angeordnete Nut 14 auf, die ringför­mig vollständig umläuft. Die Dicke D der Nut 14 (Figur 2 rechts) ist größer gleich der Papierschicht 2, einschließ­lich der Kunststoffschichten 3 und 4. Auf der Unterseite weist sowohl der Steg 8 an der Stelle 15 als auch gegenüber­liegend die nietenartige Reißeinrichtung 7 eine keilförmi­ge Abschrägung zum besseren Wiederverschließen auf.In the embodiment of FIGS. 2 and 3, the rivet-shaped tearing device 7 is located at the point closest to the side edge 12 of the package and forming the spout tip, shown at 13 in FIG. This practically forms a circular hole 13 'shown in Figure 3 by a broken line. The hole 13 'is like the rivet-like tearing device 7 in its spatial shape within the perforation line 6, i.e. thus in the tearable part 11 of the top panel 1. From this point 13 of the rivet 7 extends the annular web 8, which according to the illustration in FIG. 2 is only sealed onto the top plastic layer 3 of the top panel 1. The lower outer edge of the annular web 8 is in alignment with the perforation line 6, as can be seen on the right in FIG. 2. In addition, the annular web 8 has the groove 14 which is open to the outside and which is arranged radially on the outside with respect to the pouring opening 10 and which completely rotates in an annular manner. The thickness D of the groove 14 (FIG. 2 on the right) is greater than or equal to the paper layer 2, including the plastic layers 3 and 4. On the underside, both the web 8 at point 15 and opposite, the rivet-like tear device 7 has a wedge-shaped bevel for better reclosure on.

Bei der Ansicht der Figur 3 sieht man auf den Oberboden vom Inneren der Packung und erkennt daher in ausgezogener Kreislinie die äußere Kontur der nietenförmigen Reißein­richtung 7, während das Loch mit dem gestrichelten Kreis 13′ veranschaulicht ist und die Perforationslinie durch die strichpunktierte Linie 6.In the view of Figure 3 you can see the top of the inside of the package and therefore recognizes the solid contour of the rivet-shaped tear device 7, while the hole is illustrated with the dashed circle 13 'and the perforation line by the dash-dotted line 6.

Bei der Ausführungsform nach den Figuren 4 und 5 ist auch der Querschnitt des Ringes 8 mit einer nietenartigen Ge­staltung 7′ versehen, jedoch nicht längs der gesamten Per­ forationslinie 6, neben welcher sonst ein ovaler Längs­schlitz 16 durchgehend vorgesehen sein müßte. Der Längs­schlitz 16 ist zwar teilweise vorhanden, jedoch an vier Stellen gemäß Figur 5 unterbrochen, wo die strichpunktier­te Perforationslinie 6 sichtbar ist. Figur 5 ist wie die Figur 3 eine Ansicht auf den Oberboden 1 von innerhalb der Packung im noch ungeöffneten Zustand. Man erkennt in Figur 5 bei der zweiten Ausführungsform daher mit den beiden parallelen ovalförmigen, durchgehenden Linien den nach in­nerhalb der Packung herausschauenden, pilzförmigen Wulst der nietartigen Reißeinrichtung 7′, der aber mit dem obe­ren Ringsteg 8 nur über die Längsschlitze 16 verbunden ist. Der abreißbare Teil 11 des Oberbodens ist über die vier genannten Stellen, wo die Perforationslinie 6 zu se­hen ist, mit dem äußeren Teil des Oberbodens verbunden.In the embodiment according to Figures 4 and 5, the cross section of the ring 8 is provided with a rivet-like design 7 ', but not along the entire per foration line 6, next to which an oval longitudinal slot 16 would otherwise have to be provided continuously. The longitudinal slot 16 is partially present, but is interrupted at four points according to FIG. 5, where the dash-dotted perforation line 6 is visible. FIG. 5, like FIG. 3, is a view of the top floor 1 from within the package in the still unopened state. One can see in FIG. 5 in the second embodiment, therefore, with the two parallel oval, continuous lines, the mushroom-shaped bead of the rivet-like tearing device 7 'which looks out inside the pack, but which is connected to the upper ring web 8 only via the longitudinal slots 16. The tear-off part 11 of the top floor is connected to the outer part of the top floor via the four points mentioned, where the perforation line 6 can be seen.

Claims (7)

1. Verpackung mit einem Oberboden (1), der wenigstens teilweise aus einem auf seinen beiden Oberflächen mit Kunststoff (3, 4) beschichteten Trägermaterial, z.B. Papier, besteht und eine Öffnungsvorrichtung (5) mit einer Perforationslinie (6) aufweist, längs welcher die Ausgießöffnung (10) aufreißbar ist, dadurch gekenn­zeichnet, daß an wenigstens einer Stelle (13) der Per­forationslinie (6) eine Greif- (9) und Reißeinrichtung (7, 7′, 8) aus Kunststoff außen und innen am Trägerma­terial (2) angebracht ist.1.Packaging with an upper base (1) which is at least partially made of a carrier material coated with plastic (3, 4) on both surfaces, e.g. Paper, and has an opening device (5) with a perforation line (6) along which the pouring opening (10) can be torn, characterized in that at least one point (13) of the perforation line (6) has a gripping (9) and Tear device (7, 7 ', 8) made of plastic is attached outside and inside on the carrier material (2). 2. Verpackung nach Anspruch 1, dadurch gekennzeichnet, daß die Reißeinrichtung (7, 7′, 8) in ein Loch (13′) im Oberboden (1) mit einer im Querschnitt nietenartigen Gestaltung eingespritzt ist und als Greifeinrichtung (9) einen angespritzten Steg, Ring, Griff oder derglei­chen aufweist.2. Packaging according to claim 1, characterized in that the tearing device (7, 7 ', 8) is injected into a hole (13') in the top floor (1) with a rivet-like design in cross-section and as a gripping device (9) a molded web , Ring, handle or the like. 3. Verpackung nach Anspruch 1 oder 2, dadurch gekennzeich­net, daß die Anbringstelle (13) der Reißeinrichtung (7) im Oberboden (1) der Packung die Tüllenspitze der Ausgießöffnung (10) ist.3. Packing according to claim 1 or 2, characterized in that the attachment point (13) of the tearing device (7) in the top floor (1) of the pack is the spout tip of the pouring opening (10). 4. Verpackung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Loch (13′) im Oberboden (1) der Packung und die Reißeinrichtung (7, 7′, 8) innerhalb der durch die Perforationslinie (6) vorgegebenen Aus­gießöffnung (10) den aufreißbaren Teil (11) des Oberbo­dens (1) angeordnet sind.4. Packaging according to one of claims 1 to 3, characterized in that the hole (13 ') in the top bottom (1) of the package and the tearing device (7, 7', 8) within the pouring opening (6) predetermined by the perforation line (6) 10) the tearable part (11) of the top panel (1) are arranged. 5. Verpackung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Reißeinrichtung (7, 7′, 8) au­ßerhalb der Packung eine bezüglich der Ausgießöffnung (10) radial außerhalb angeordnete, wenigstens teilweise längs der Perforationslinie (6) verlaufende Nut (14) zum Wiederverschließen der Ausgießöffnung (10) auf­weist.5. Packaging according to one of claims 1 to 4, characterized in that the tearing device (7, 7 ', 8) outside of the package a radially outside with respect to the pouring opening (10), at least partially along the perforation line (6) extending groove ( 14) for reclosing the pouring opening (10). 6. Verpackung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Reißeinrichtung (7) die Gestalt einer Niet hat und an dieser und auf dem Oberboden (1) außen angebracht einen Steg (8) aufweist, der sich we­nigstens teilweise längs sowie innerhalb der Perfora­tionslinie (6) im aufreißbaren Teil (11) des Oberbodens (1) der Packung erstreckt und eine bezüglich der Aus­gangsöffnung (10) radial außen angeordnete, nach außen offene Nut (14) zum Wiederverschließen aufweist.6. Packaging according to one of claims 1 to 5, characterized in that the tearing device (7) has the shape of a rivet and attached to this and on the upper floor (1) outside has a web (8) which is at least partially longitudinally and extends within the perforation line (6) in the tearable part (11) of the top floor (1) of the pack and has a groove (14) which is arranged radially on the outside with respect to the exit opening (10) and is open to the outside for reclosing. 7. Verpackung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Perforationslinie (6) im Ober­boden (1) der Packung in sich geschlossen ist, der Steg (8) die Form eines an den Verlauf der Perforationslinie (6) angepaßten Ringes hat und der Ring (8) ebenfalls wenigstens teilweise im Querschnitt nietenartige Ge­staltung (7′) hat.7. Packaging according to one of claims 1 to 6, characterized in that the perforation line (6) in the top floor (1) of the package is self-contained, the web (8) the shape of a to the course of the perforation line (6) adapted ring has and the ring (8) also at least partially in cross-section rivet-like design (7 ').
EP88107477A 1987-06-17 1988-05-10 Packaging with opening device Expired - Lifetime EP0295423B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88107477T ATE88151T1 (en) 1987-06-17 1988-05-10 PACKAGING WITH OPENING DEVICE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2288/87 1987-06-17
CH2288/87A CH673821A5 (en) 1987-06-17 1987-06-17

Publications (3)

Publication Number Publication Date
EP0295423A2 true EP0295423A2 (en) 1988-12-21
EP0295423A3 EP0295423A3 (en) 1989-03-22
EP0295423B1 EP0295423B1 (en) 1993-04-14

Family

ID=4230273

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88107477A Expired - Lifetime EP0295423B1 (en) 1987-06-17 1988-05-10 Packaging with opening device

Country Status (10)

Country Link
US (1) US4828138A (en)
EP (1) EP0295423B1 (en)
JP (1) JPS63317453A (en)
AT (1) ATE88151T1 (en)
AU (1) AU600366B2 (en)
CA (1) CA1316130C (en)
CH (1) CH673821A5 (en)
DE (1) DE3880205D1 (en)
ES (1) ES2039500T3 (en)
SU (1) SU1755708A3 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0416256A2 (en) * 1989-09-05 1991-03-13 Tetra Laval Holdings & Finance SA Package for flowable products with opening device
WO2000035762A1 (en) * 1998-12-16 2000-06-22 Toma Trade, S.R.O. Packing container and its use
DE102004061647A1 (en) * 2004-12-17 2006-06-29 Sig Technology Ag Method of applying an opening and pouring element to a container
ITUA20164389A1 (en) * 2016-06-15 2017-12-15 Gd Spa Apparatus and method for forming the device for opening containers for liquids.

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US5829672A (en) * 1997-05-14 1998-11-03 Tetra Laval Holdings & Finance, Sa Cut-out integrated closure and forming method therefor
US6354062B1 (en) 1999-05-13 2002-03-12 Bevtek Inc. Method of manufacture of individual beverage carton with a straw therein
US6431434B1 (en) 1999-09-23 2002-08-13 Keith Louis Haughton Individual beverage carton with a straw therein and a method of manufacture
US6328203B1 (en) * 2001-05-04 2001-12-11 International Paper Company Opening feature for beverage container
WO2003047981A2 (en) * 2001-12-06 2003-06-12 Gabriel Cabelli Hand held fluent dispensing containers
SE523936C2 (en) 2001-12-19 2004-06-01 Tetra Laval Holdings & Finance Injection molding tools and methods of injection molding
WO2015101427A1 (en) * 2013-12-30 2015-07-09 Tetra Laval Holdings & Finance S.A. Package material blank, package with such device and method for manufacturing an opening device
EP2889231A1 (en) * 2013-12-30 2015-07-01 Tetra Laval Holdings & Finance SA Packaging material and packaging container having an opening device made therefrom
PL3140115T3 (en) * 2014-05-07 2019-05-31 Tetra Laval Holdings & Finance Packaging material laminate structure
MX2016015691A (en) * 2014-06-19 2017-02-27 Tetra Laval Holdings & Finance Opening device, method for manufacturing such opening device and packaging material for use in said method.
RU2640981C1 (en) * 2014-12-22 2018-01-12 Тетра Лаваль Холдингз Энд Файнэнс С.А. Packing material and container, produced from such material
RU2017121791A (en) 2014-12-22 2019-01-24 Тетра Лаваль Холдингз Энд Файнэнс С.А. PACKING MATERIAL AND PACKAGING CAPACITY, PERFORMED FROM THE SPECIFIED MATERIAL
RU2647754C1 (en) 2015-02-09 2018-03-19 Тетра Лаваль Холдингз Энд Файнэнс С.А. Packaging material and packaging container, which is produced from such packaging material
JP6436143B2 (en) * 2016-10-14 2018-12-12 トヨタ自動車株式会社 Fastener

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FR2398670A1 (en) * 1977-07-28 1979-02-23 Tokan Kogyo Co Ltd CONTAINER COVER WITH A PARTLY OR COMPLETELY DETACHABLE PART
EP0117125A2 (en) * 1983-02-15 1984-08-29 Toyo Seikan Kaisha Limited Easily-openable heat-seal lid

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US3302824A (en) * 1964-11-24 1967-02-07 Reynolds Metals Co Container and method of making the same or the like
FR2398670A1 (en) * 1977-07-28 1979-02-23 Tokan Kogyo Co Ltd CONTAINER COVER WITH A PARTLY OR COMPLETELY DETACHABLE PART
EP0117125A2 (en) * 1983-02-15 1984-08-29 Toyo Seikan Kaisha Limited Easily-openable heat-seal lid

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0416256A2 (en) * 1989-09-05 1991-03-13 Tetra Laval Holdings & Finance SA Package for flowable products with opening device
EP0416256A3 (en) * 1989-09-05 1991-11-21 Tetra Pak Holdings & Finance S.A. Package for flowable products with opening device
WO2000035762A1 (en) * 1998-12-16 2000-06-22 Toma Trade, S.R.O. Packing container and its use
DE102004061647A1 (en) * 2004-12-17 2006-06-29 Sig Technology Ag Method of applying an opening and pouring element to a container
DE102004061647B4 (en) * 2004-12-17 2008-02-07 Sig Technology Ag Method of applying an opening and pouring element to a container
ITUA20164389A1 (en) * 2016-06-15 2017-12-15 Gd Spa Apparatus and method for forming the device for opening containers for liquids.

Also Published As

Publication number Publication date
DE3880205D1 (en) 1993-05-19
AU1776488A (en) 1988-12-22
EP0295423B1 (en) 1993-04-14
SU1755708A3 (en) 1992-08-15
US4828138A (en) 1989-05-09
CH673821A5 (en) 1990-04-12
JPS63317453A (en) 1988-12-26
AU600366B2 (en) 1990-08-09
ES2039500T3 (en) 1993-10-01
EP0295423A3 (en) 1989-03-22
ATE88151T1 (en) 1993-04-15
CA1316130C (en) 1993-04-13

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