EP1931571A1 - Reclosable pouring element and method for assembling said element - Google Patents

Reclosable pouring element and method for assembling said element

Info

Publication number
EP1931571A1
EP1931571A1 EP07727518A EP07727518A EP1931571A1 EP 1931571 A1 EP1931571 A1 EP 1931571A1 EP 07727518 A EP07727518 A EP 07727518A EP 07727518 A EP07727518 A EP 07727518A EP 1931571 A1 EP1931571 A1 EP 1931571A1
Authority
EP
European Patent Office
Prior art keywords
opening
pouring
element according
opening element
screw cap
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
EP07727518A
Other languages
German (de)
French (fr)
Other versions
EP1931571B1 (en
Inventor
Felix Bolli
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.)
SIG Combibloc Services AG
Original Assignee
SIG Technology AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SIG Technology AG filed Critical SIG Technology AG
Priority to PL07727518T priority Critical patent/PL1931571T3/en
Publication of EP1931571A1 publication Critical patent/EP1931571A1/en
Application granted granted Critical
Publication of EP1931571B1 publication Critical patent/EP1931571B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • 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
    • B65D5/72—Contents-dispensing means
    • B65D5/74—Spouts
    • B65D5/746—Spouts formed separately from the container
    • B65D5/747—Spouts formed separately from the container with means for piercing or cutting the container wall or a membrane connected to said wall
    • B65D5/748—Spouts formed separately from the container with means for piercing or cutting the container wall or a membrane connected to said wall a major part of the container wall or membrane being left inside the container after the opening
    • 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
    • B65D5/72—Contents-dispensing means
    • B65D5/74—Spouts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble

Definitions

  • the invention relates to a resealable pouring for bottled in carton / plastic composite packages liquid food, consisting of a circumferential flange and both a stably executed internal thread and an external thread having basic body od a at least one.
  • the opening element has a stably executed external thread and is arranged in the interior of the basic body and wherein the opening element is designed such that it intersects the first time Betatigen the screw an opening in the packaging material located under the spout.
  • Reclosable pouring elements for liquid foodstuffs filled in cardboard / plastic composite packages are known in practice in many embodiments. On the one hand, they serve for the first-time opening of the packages and, in the embodiment of interest here, are applied from the outside to the already filled and sealed packaging. Often, the packaging material in the region of the - later - pouring opening has a weakening zone. This can either be designed as a perforation of the material or as a casting opening in the Carrier material (cardboard), which is covered with plastic, usually polyethylene, during lamination of the inner and outer plastic layers.
  • Such a generic pouring element is previously known from EP 1 088 764 A1. It consists of a circumferential mounting flange having basic body, arranged therein a hollow cylinder-shaped opening element and a screw cap, wherein the three items are coordinated so that the first time opening the pouring by means of a formQueryigen connection between screw and opening element a helical movement of the opening element and thus a Producing a casting opening causes.
  • Such three-part pouring elements require in their installation partially a considerable effort. It has been shown that the known pouring element can not be made arbitrarily small in addition to its complex assembly, for example, to be used with correspondingly small package sizes such as 0.2 or 0.25 1. Because such small package formats a relatively narrow Head area, it is no longer possible in the packing production to work with coated coating pores. However, the known three-part pouring element is only capable of opening a coated coating opening.
  • WO 03/101843 A1 describes a three-part pouring element, in which, however, the opening element is not moved in a screwing manner.
  • the actual opening process is done here by a combination of a piercing with a rotary motion, so a superposition of an axial and a radial movement.
  • the invention is therefore based on the object, the above-mentioned and previously described in more detail Ausguzeelement so and further, that it is suitable for the simplest possible mounting, To cut the composite material of a beverage pack reliably without prior weakening and produce a sufficiently large G confuseo réelle.
  • a pouring element according to the preamble of claim 1, characterized in that the external thread of the opening element in the lower portion is at least reduced or interrupted in one area and that the internal thread of the base body is also reduced or interrupted at least in a corresponding area, so can be moved axially from above into the Grundkorper during initial assembly, the opening element without screwing, pressing or over-pressing the thread.
  • the invention has recognized that it is possible to realize the assembly of the opening element and the basic body without pressing in and over-pressing of the threads. Due to the corresponding reductions or interruptions, it is no longer necessary to screw the opening element in the initial assembly in the basic body. Due to the coordinated threaded portions of the pouring element according to the invention has been achieved that initially the opening element - radially aligned accordingly - axially moved from above into the body and that at the same time or subsequently the screw cap can be mounted. On a time-consuming screwing the opening element in the basic body can be completely eliminated. By the bayonet-like intervention of the thread when first operating the screw cap, the opening element is rotated and after a short rotation causes the positive connection of the coordinated Thread a helical penetration of the cutting edge of the opening element in the packing material.
  • the external thread of the opening element is reduced or interrupted at two opposite areas.
  • the basic body also has two diametrically opposite threaded sections in its interior.
  • each thread spans the opening element at least by 540 ° (1 ⁇ times), so that the opening element can be rotated more than 360 ° when first screwing the screw cap.
  • the external thread of the opening element is reduced or interrupted respectively in the lower thread.
  • the at least one cutting edge is suitable both for piercing in the cardboard / plastic composite material and for cutting a G confuseo réelle.
  • the cutting edge is formed so that when cutting into the packing material, the cutting length to form the G confuseo réelle is smaller than a full circle.
  • the Thereforeckete Packungsverbundstuck is not completely detached from the rest of the composite material, but laterally pivoted inward and fixed there by the tubusartig projecting into the Packungsinnere opening element, so that the entire clear cross section of the opening element is available as G confuseo réelle. It can be realized either by an axial length of the cutting edge, which is smaller than the axial length of a thread or by a corresponding inwardly curved cutting edge, so that the radius of theWhengetrennten composite material piece is not the same size, but slowly increases.
  • the basic body in the interior of several, each diametrically opposite, threaded portions is chosen so that the axial insertion of the opening element, the reduced or interrupted portions of the thread of the opening element can be moved past the arranged in the interior of the Grundkorpers threaded sections. Only by the rotation of the opening element by means of the operation of the screw cap engage the external thread of the opening element and the internal thread of the main body into one another.
  • a further teaching of the invention provides that at least one end stop for the downwardly turned-off opening element is provided in the lower region of the main body.
  • the or each external thread of the opening element may have at least one end stop. By these end stops is reliably ensured that the opening element can not get into the package interior.
  • the screw cap is formed so that in its interior at least one entrainer web is provided, starting from the top of the screw starting, concentrically bent downwards and cooperates in this way ratchet-like manner with the projections in the interior of the opening element. This ensures that the opening element in each case only when unscrewing the screw, so counterclockwise, is rotated.
  • a renewed screwing of the cover causes the at least one entraining web to slide inwards, so that the opening element remains in its respective position.
  • the screw cap is connected in the mounted position via material bridges serving as predetermined breaking points to the basic body.
  • the material bridges preferably run between the screw cap and a mounting plate which is connected to the flange of the basic body.
  • a material for the opening element a material with sufficient hardness is used in order to be able to form the cutting edge so sharply that a pouring opening can be cut into the non-weakened composite material.
  • FIG. 1 shows an exemplary embodiment of the pouring element according to the invention before its assembly in a perspective view
  • FIG. 4 shows the object from FIG. 3 in a perspective view obliquely from below, FIG.
  • FIG. 5 shows the pouring element after the repeated opening in a perspective view obliquely from below
  • Fig. 6 basic body and opening element in the assembled position, cut in a perspective view from below
  • Fig. 7 shows the article of FIG. 6 after the repeated opening, cut in perspective view.
  • the pouring element according to the invention is shown as an exploded view. It consists essentially of three different parts, namely a basic body 1, a hollow cylinder-shaped opening element 2 and a screw cap 3.
  • the base body 1 has a circumferential flange 4 and an internal thread 5, which will be described later.
  • the opening element 2 has in its interior two diametrically arranged hook-like projections 7, via which the rotational force necessary for opening is transmitted from the screw cap 3 to the opening element 2.
  • the opening element 2 On its outer lateral surface, the opening element 2 is provided with an external thread 8, which will also be discussed in greater detail.
  • the external thread 8 is now reduced in the lower section, as shown in FIG. 1 can be clearly removed.
  • the reduced regions of the external thread 8 are preferably located on two diametrically opposite regions 8F of the opening element 2.
  • an end stop 9 which ensures that the opening element 2 screwed into the interior of the package can not fall out of the main body 1 and enter the package interior.
  • the opening element 2 has a cutting edge 10 at its lower end, as can be seen particularly clearly from FIG. 4.
  • Fig. 2 the pouring element according to the invention is shown in perspective in the fully assembled position. It can be clearly seen that the screw cap 3 is connected in one piece to a mounting plate 11, which is connected to the basic body 1 in a positive or non-positive connection.
  • the mounting plate 11 is preferably positively connected to the flange 4 of the base body 1.
  • two downwardly widening openings 13 are provided in the flange 4, in which two connecting pins 14 (see Fig. 1) extending downwards from the mounting plate 11 engage and are caulked there, as indicated at 14 '.
  • the screw cap 3 is provided in its interior with two concentric Mit Anlagenstegen 15, which protrude from the lid of the screw 3 down and by their curved concentric web shape torsionally stiff torque can transmit, but can dodge radially inward.
  • the opening element with its cutting edge 10 intersects an opening in the packing material located below the pouring element when it is first opened.
  • the driving webs 15 are deflected inwards by the corresponding bevels of the projections 7, so that the opening element 2 is not twisted.
  • Fig. 5 now shows the opening element 2 in its final position, as the butting the catch webs 15 by their length, however, turn behind the hook-like projections 7 and cause the opening element 2 screwed a little further into the packaging material than in the in Fig 4 shown position after the Clearo réelle. Here, therefore, the opening element 2 has again completed an approximately 180 ° rotation.
  • Figs. 6 and 7 the operation of the opening by sectional views is now explained in more detail.
  • the basic body 1 in its interior at the end of the lower threaded portion 5B also has an end stop 16 which cooperates with the end stop 9 of the ⁇ réelleselements, as shown in Fig. 7. That way it will be reliable ensures that the opening element 2 actuated by the screw cap 3 can not come loose from the pouring element and fall into the package interior. Rather, it remains in the end position, wherein the composite material piece formed by the cutting edge 10, but not completely separated, is angled vertically downwards, so that the complete clear cross section of the opening element 2 is available for pouring.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Cartons (AREA)
  • Packages (AREA)

Abstract

The invention relates to a reclosable pouring element consisting of a base body (1), which has a continuous flange (4), a stable inner thread (5) and an outer thread (6), an opening element (2) having at least one cutting edge (10) and a screw lid (3) that is configured as a threaded cap. The opening element (2) has a stable outer thread (8) and is situated in the interior of the base body (1). The length of the lower section of the outer thread (8) of the opening element (2) is reduced or interrupted, at least in one region (8F) and the length of the inner thread (5) of the base body (1) is reduced or interrupted at least in a corresponding region.

Description

Wiederverschließbares Ausgießelement für in Resealable pouring element for in
Karton/Kunststoff-Verbundpackungen abgefüllte flüssige Lebensmittel und Verfahren zu seiner MontageCardboard / plastic composite packages bottled liquid food and method of its assembly
Die Erfindung betrifft ein wiederverschließbares Ausgießelement für in Karton/Kunststoff-Verbundpackungen abgefüllte flussige Lebensmittel, bestehend aus einem einen umlaufenden Flansch und sowohl ein stabil ausgeführtes Innengewinde als auch ein Außengewinde aufweisenden Grundkorper, einem wenigstens eine Schneide od. dgl . aufweisenden Offnungselement und einem als Gewindekappe ausgeführten Schraubdeckel, wobei das Offnungselement ein stabil ausgeführtes Außengewinde aufweist und im Inneren des Grundkorpers angeordnet ist und wobei das Offnungselement so ausgebildet ist, dass es beim erstmaligen Betatigen des Schraubdeckels eine Öffnung in das unter dem Ausgießelement befindliche Packungsmaterial schneidet.The invention relates to a resealable pouring for bottled in carton / plastic composite packages liquid food, consisting of a circumferential flange and both a stably executed internal thread and an external thread having basic body od a at least one. Like. The opening element has a stably executed external thread and is arranged in the interior of the basic body and wherein the opening element is designed such that it intersects the first time Betatigen the screw an opening in the packaging material located under the spout.
Wiederverschließbare Ausgießelemente für in Karton/Kunststoff-Verbundpackungen abgefüllte flussige Lebensmittel sind aus der Praxis in vielerlei Ausfuhrungen bekannt. Sie dienen einerseits zum erstmaligen Offnen der Packungen und sind in der hier interessierenden Ausbildung von außen auf die bereits gefüllte und verschlossene Verpackung aufgebracht. Häufig weist dazu das Verpackungsmaterial im Bereich der - spateren - Ausgießoffnung eine Schwachungszone auf. Diese kann entweder als eine Perforation des Materials ausgebildet sein oder aber als eine Gießoffnung im Tragermaterial (Karton) , welche beim Laminieren der inneren und äußeren Kunststoffschichten mit Kunststoff, meist Polyethylen, überspannt wird.Reclosable pouring elements for liquid foodstuffs filled in cardboard / plastic composite packages are known in practice in many embodiments. On the one hand, they serve for the first-time opening of the packages and, in the embodiment of interest here, are applied from the outside to the already filled and sealed packaging. Often, the packaging material in the region of the - later - pouring opening has a weakening zone. This can either be designed as a perforation of the material or as a casting opening in the Carrier material (cardboard), which is covered with plastic, usually polyethylene, during lamination of the inner and outer plastic layers.
In jedem Fall ist es notwendig, dass zum erstmaligen Offnen eine vom Benutzer aufgebrachte Schneidkraft so in einen Offnungsvorgang umgesetzt wird, dass ein zuverlässiges Offnen einer ausreichend großen Gießoffnung gewahrleistet ist. Neben Ausgießelementen mit schwenkbaren Offnungselementen haben sich insbesondere solche Ausgießelemente bewahrt, die mit einem Schraubverschluss als Deckel versehen sind und wobei das erstmalige Abdrehen des Schraubverschlusses ein entsprechendes Eindrehen eines ringartig ausgebildeten Offnungselementes in das Packungsmaterial bewirkt.In any case, it is necessary that for the first time opening a user applied cutting force is converted into an opening process that a reliable opening of a sufficiently large Gießoffnung is ensured. In addition to pouring elements with pivotable opening elements, in particular those pouring elements have been preserved, which are provided with a screw cap as a lid and wherein the first-time twisting off of the screw cap causes a corresponding screwing of an annularly shaped opening element into the packing material.
Ein solches gattungsgemaßes Ausgießelement ist aus der EP 1 088 764 Al vorbekannt. Es besteht aus einem einen umlaufenden Befestigungsflansch aufweisenden Grundkorper, einem darin angeordneten hohlzylinderformigen Offnungselement und einem Schraubdeckel, wobei die drei Einzelteile so aufeinander abgestimmt sind, dass beim erstmaligen Offnen des Ausgießelementes mittels einer formschlussigen Verbindung zwischen Schraubdeckel und Offnungselement eine helixartige Bewegung des Offnungselements und damit ein Herstellen einer Gießoffnung bewirkt. Solche dreiteiligen Ausgießelemente erfordern bei ihrer Montage teilweise einen nicht unerheblichen Aufwand. Es hat sich gezeigt, dass das bekannte Ausgießelement neben seiner aufwendigen Montage nicht beliebig klein ausgebildet werden kann, beispielsweise, um mit entsprechend kleinen Packungsgroßen wie 0,2 oder 0,25 1 verwendet zu werden. Da solche kleine Packungsformate einen relativ schmalen Kopfbereich aufweisen, ist es bei der Packungsfertigung nicht mehr möglich, mit uberbeschichteten Gießoffnungen zu arbeiten. Das bekannte dreiteilige Ausgießelement ist jedoch nur zum Offnen einer uberbeschichteten Gießoffnung in der Lage.Such a generic pouring element is previously known from EP 1 088 764 A1. It consists of a circumferential mounting flange having basic body, arranged therein a hollow cylinder-shaped opening element and a screw cap, wherein the three items are coordinated so that the first time opening the pouring by means of a formschlussigen connection between screw and opening element a helical movement of the opening element and thus a Producing a casting opening causes. Such three-part pouring elements require in their installation partially a considerable effort. It has been shown that the known pouring element can not be made arbitrarily small in addition to its complex assembly, for example, to be used with correspondingly small package sizes such as 0.2 or 0.25 1. Because such small package formats a relatively narrow Head area, it is no longer possible in the packing production to work with coated coating pores. However, the known three-part pouring element is only capable of opening a coated coating opening.
Aus der EP 1 262 412 Al ist ein Ausgießelement bekannt, bei dem in der Wandung des Offnungselementes Offnungen vorgesehen sind, in deren Bereich das Außengewinde des Offnungselementes unterbrochen ist. Hierbei handelt es sich jedoch um eine "Zwangs-Unterbrechung", die mit einer erleichterten Montage nichts gemein hat.From EP 1 262 412 Al a pouring element is known, in which openings are provided in the wall of the opening element, in the region of which the external thread of the opening element is interrupted. However, this is a "forced interruption", which has nothing in common with a simplified installation.
Ein anderes Ausgießelement ist aus der EP 1 571 0 95 Al bekannt. Auch hier sind im Offnungselement Offnungen vorhanden, welche als Verhakungselemente für einen im Ausgießelement vorhandenen Wirkstoff dienen. Es ist klar, dass auch hier im Bereich der Offnungen die Gewindeabschnitte unterbrochen sind, jedoch wiederum zwangsweise bedingt und nicht zur Erleichterung der Montage der Einzelteile.Another pouring element is known from EP 1 571 0 95 A1. Here, too, openings are present in the opening element which serve as hooking elements for an active substance present in the pouring element. It is clear that here too in the area of the openings, the threaded sections are interrupted, but again forcibly and not to facilitate the assembly of the items.
Die WO 03/101843 Al beschreibt ein dreiteiliges Ausgießelement, bei dem jedoch das Offnungselement nicht schraubend bewegt wird. Der eigentliche Offnungsvorgang geschieht hier durch eine Kombination einer Stech- mit einer Drehbewegung, also einer Überlagerung von einer axialen und einer radialen Bewegung.WO 03/101843 A1 describes a three-part pouring element, in which, however, the opening element is not moved in a screwing manner. The actual opening process is done here by a combination of a piercing with a rotary motion, so a superposition of an axial and a radial movement.
Der Erfindung liegt daher die Aufgabe zugrunde, das eingangs erwähnte und zuvor naher beschriebene Ausgießelement so auszugestalten und weiterzubilden, dass es bei einer möglichst einfachen Montage geeignet ist, das Verbundmaterial einer Getrankepackung auch ohne vorherige Schwächung zuverlässig zu durchtrennen und eine ausreichend große Gießoffnung herzustellen.The invention is therefore based on the object, the above-mentioned and previously described in more detail Ausgießelement so and further, that it is suitable for the simplest possible mounting, To cut the composite material of a beverage pack reliably without prior weakening and produce a sufficiently large Gießoffnung.
Gelost wird diese Aufgabe bei einem Ausgießelement nach dem Oberbegriff von Anspruch 1 dadurch, dass das Außengewinde des Offnungselements im unteren Abschnitt wenigstens in einem Bereich derart reduziert oder unterbrochen ist und dass das Innengewinde des Grundkorpers wenigstens in einem entsprechenden Bereich ebenso reduziert oder unterbrochen ist, damit bei der Erstmontage das Offnungselement ohne Einschrauben, Einpressen oder Uberpressen der Gewinde axial von oben in den Grundkorper hinein bewegt werden kann.This object is achieved in a pouring element according to the preamble of claim 1, characterized in that the external thread of the opening element in the lower portion is at least reduced or interrupted in one area and that the internal thread of the base body is also reduced or interrupted at least in a corresponding area, so can be moved axially from above into the Grundkorper during initial assembly, the opening element without screwing, pressing or over-pressing the thread.
Die Erfindung hat erkannt, dass es möglich ist, den Zusammenbau von Offnungselement und Grundkorper ohne Einpressen und Uberpressen der Gewinde zu realisieren. Durch die entsprechenden Reduzierungen bzw. Unterbrechungen ist es nicht mehr notwendig, das Offnungselement bei der Erstmontage in den Grundkorper einzuschrauben. Durch die aufeinander abgestimmten Gewindeabschnitte des erfindungsgemaßen Ausgießelementes ist erreicht worden, dass zunächst das Offnungselement - entsprechend radial ausgerichtet - axial von oben in den Grundkorper hineinbewegt wird und dass gleichzeitig oder anschließend der Schraubdeckel montiert werden kann. Auf ein zeitaufwendiges Einschrauben des Offnungselementes in den Grundkorper kann vollständig verzichtet werden. Durch das bajonetteartige Eingreifen des Gewindes beim erstmaligen Betatigen des Schraubdeckels wird das Offnungselement gedreht und bereits nach kurzer Drehung bewirkt der Formschluss der aufeinander abgestimmten Gewinde ein helixartiges Eindringen der Schneide des Offnungselementes in das Packungsmaterial.The invention has recognized that it is possible to realize the assembly of the opening element and the basic body without pressing in and over-pressing of the threads. Due to the corresponding reductions or interruptions, it is no longer necessary to screw the opening element in the initial assembly in the basic body. Due to the coordinated threaded portions of the pouring element according to the invention has been achieved that initially the opening element - radially aligned accordingly - axially moved from above into the body and that at the same time or subsequently the screw cap can be mounted. On a time-consuming screwing the opening element in the basic body can be completely eliminated. By the bayonet-like intervention of the thread when first operating the screw cap, the opening element is rotated and after a short rotation causes the positive connection of the coordinated Thread a helical penetration of the cutting edge of the opening element in the packing material.
Gemäß einer weiteren Lehre der Erfindung ist vorgesehen, dass das Außengewinde des Offnungselementes an zwei gegenüberliegenden Bereichen reduziert oder unterbrochen ist. Auf diese Weise ist eine sehr gute Kräfteverteilung möglich, da das Offnungselement im Inneren des Grundkorpers zuverlässig gefuhrt wird. Zweckmaßigerweise weist auch der Grundkorper in seinem Inneren zwei diametral gegenüberliegende Gewindeabschnitte auf.According to a further teaching of the invention it is provided that the external thread of the opening element is reduced or interrupted at two opposite areas. In this way, a very good distribution of forces is possible because the opening element is guided reliably inside the Grundkorpers. Expediently, the basic body also has two diametrically opposite threaded sections in its interior.
Eine andere Ausgestaltung der Erfindung sieht vor, dass das Außengewinde des Offnungselementes zwei ineinandergreifende Gewindegange aufweist. Diese Ausfuhrung erlaubt eine relativ steile Ausbildung der Gewindegange, so dass eine ausreichend große Kraft zum erstmaligen Einschneiden in das Packungsmaterial auf die Schneide des Offnungselementes aufgebracht werden kann. Besonders bevorzugt umspannt jeder Gewindegang das Offnungselement wenigstens um 540° (1 ^ mal), so dass das Offnungselement beim erstmaligen Aufschrauben des Schraubdeckels mehr als 360° gedreht werden kann.Another embodiment of the invention provides that the external thread of the opening element has two intermeshing thread. This execution allows a relatively steep formation of the thread, so that a sufficiently large force for the first time cutting into the packing material can be applied to the cutting edge of the opening element. Particularly preferably, each thread spans the opening element at least by 540 ° (1 ^ times), so that the opening element can be rotated more than 360 ° when first screwing the screw cap.
Nach einer weiteren Lehre der Erfindung ist das Außengewinde des Offnungselements jeweils im unteren Gewindegang reduziert oder unterbrochen. Auf diese Weise wird erreicht, dass bereits nach einer kurzen Drehung des Schraubdeckels und damit des Offnungselements ein Eingriff an vier unterschiedlichen Stellen der Gewinde stattfindet, so dass die notwendige Stech- und Schneidkraft aufgebracht werden kann. Darüber hinaus sieht eine weitere Ausgestaltung der Erfindung vor, dass die wenigstens eine Schneide sowohl zum Einstechen in das Karton/Kunststoff-Verbundmaterial als auch zum Aufschneiden einer Gießoffnung geeignet ist. Bevorzugt ist die Schneide so ausgebildet, dass beim Hineindrehen ins Packungsmaterial die Schnittlange zum Bilden der Gießoffnung kleiner ist als ein Vollkreis.According to another teaching of the invention, the external thread of the opening element is reduced or interrupted respectively in the lower thread. In this way it is achieved that takes place after a short rotation of the screw and thus the opening element engagement at four different points of the thread, so that the necessary piercing and cutting force can be applied. In addition, a further embodiment of the invention provides that the at least one cutting edge is suitable both for piercing in the cardboard / plastic composite material and for cutting a Gießoffnung. Preferably, the cutting edge is formed so that when cutting into the packing material, the cutting length to form the Gießoffnung is smaller than a full circle.
Durch eine entsprechend ausgeformte Schneide wird das herausgetrennte Packungsverbundstuck nicht vollkommen vom übrigen Verbundmaterial abgelost, sondern seitlich nach innen geschwenkt und dort durch das tubusartig in das Packungsinnere hineinragende Offnungselement fixiert, so dass der gesamte lichte Querschnitt des Offnungselements als Gießoffnung zur Verfugung steht. Es lasst sich entweder durch eine axiale Lange der Schneide realisieren, welche geringer ist als die axiale Lange eines Gewindeganges oder aber durch eine entsprechend nach innen gebogene Schneide, so dass der Radius des herausgetrennten Verbundmaterialstuckes nicht gleich groß ist, sondern sich langsam vergrößert.By a suitably shaped cutting the herauskommennte Packungsverbundstuck is not completely detached from the rest of the composite material, but laterally pivoted inward and fixed there by the tubusartig projecting into the Packungsinnere opening element, so that the entire clear cross section of the opening element is available as Gießoffnung. It can be realized either by an axial length of the cutting edge, which is smaller than the axial length of a thread or by a corresponding inwardly curved cutting edge, so that the radius of the herausgetrennten composite material piece is not the same size, but slowly increases.
Nach einer anderen Ausbildung der Erfindung weist der Grundkorper im Inneren mehrere, jeweils diametral gegenüberliegende, Gewindeabschnitte auf. Die Anordnung dieser Gewindeabschnitte ist so gewählt, dass beim axialen Einsetzen des Offnungselements die reduzierten oder unterbrochenen Bereiche der Gewindegange des Offnungselements an den im Inneren des Grundkorpers angeordneten Gewindeabschnitten vorbeibewegt werden können. Erst durch die Drehung des Offnungselements mittels der Betätigung des Schraubdeckels greifen das Außengewinde des Offnungselements und das Innengewinde des Grundkorpers ineinander. Eine weitere Lehre der Erfindung sieht vor, dass im unteren Bereich des Grundkorpers wenigstens ein Endanschlag für das nach unten herausgedrehte Offnungselement vorgesehen ist. Alternativ kann auch das bzw. jedes Außengewinde des Offnungselements wenigstens einen Endanschlag aufweisen. Durch diese Endanschlage wird zuverlässig sichergestellt, dass das Offnungselement nicht in das Packungsinnere gelangen kann.According to another embodiment of the invention, the basic body in the interior of several, each diametrically opposite, threaded portions. The arrangement of these threaded portions is chosen so that the axial insertion of the opening element, the reduced or interrupted portions of the thread of the opening element can be moved past the arranged in the interior of the Grundkorpers threaded sections. Only by the rotation of the opening element by means of the operation of the screw cap engage the external thread of the opening element and the internal thread of the main body into one another. A further teaching of the invention provides that at least one end stop for the downwardly turned-off opening element is provided in the lower region of the main body. Alternatively, the or each external thread of the opening element may have at least one end stop. By these end stops is reliably ensured that the opening element can not get into the package interior.
Zur Bewegung des Offnungselements im Grundkorper dienen mehrere im Inneren des Offnungselements verteilt angeordnete Vorsprunge, welche einen hakenförmigen Querschnitt aufweisen. Entsprechend ist der Schraubdeckel so ausgebildet, dass in seinem Inneren wenigstens ein Mitnehmersteg vorgesehen ist, der sich von der Oberseite des Schraubdeckels ausgehend, konzentrisch gebogen nach unten erstreckt und auf diese Weise ratschenartig mit den Vorsprungen im Inneren des Offnungselements zusammenwirkt. Dadurch wird erreicht, dass das Offnungselement jeweils nur beim Abschrauben des Schraubdeckels, also entgegen dem Uhrzeigersinn, gedreht wird. Ein erneutes Zuschrauben des Deckels bewirkt ein Abgleiten des wenigstens einen Mitnehmersteges nach innen, so dass das Offnungselement in seiner jeweiligen Stellung verharrt. For the movement of the opening element in the basic body, a plurality of projections distributed in the interior of the opening element and having a hook-shaped cross section are used. Accordingly, the screw cap is formed so that in its interior at least one entrainer web is provided, starting from the top of the screw starting, concentrically bent downwards and cooperates in this way ratchet-like manner with the projections in the interior of the opening element. This ensures that the opening element in each case only when unscrewing the screw, so counterclockwise, is rotated. A renewed screwing of the cover causes the at least one entraining web to slide inwards, so that the opening element remains in its respective position.
Schließlich ist nach einer weiteren Lehre der Erfindung vorgesehen, dass der Schraubdeckel in montierter Stellung über als Sollbruchstellen dienende Materialbrucken mit dem Grundkorper verbunden ist. Dabei verlaufen die Materialbrucken bevorzugt zwischen dem Schraubdeckel und einer Montageplatte, die mit dem Flansch des Grundkorpers verbunden ist.Finally, according to a further teaching of the invention, it is provided that the screw cap is connected in the mounted position via material bridges serving as predetermined breaking points to the basic body. The material bridges preferably run between the screw cap and a mounting plate which is connected to the flange of the basic body.
Als Material für das Offnungselement wird ein Material mit einer ausreichenden Harte verwendet, um die Schneide so scharf ausbilden zu können, dass eine Gießoffnung in das - ungeschwachte - Verbundmaterial geschnitten werden kann .As a material for the opening element, a material with sufficient hardness is used in order to be able to form the cutting edge so sharply that a pouring opening can be cut into the non-weakened composite material.
Die Erfindung wird nachfolgend anhand einer lediglich ein bevorzugtes Ausfuhrungsbeispiel darstellenden Zeichnung naher erläutert. In der Zeichnung zeigen:The invention will be explained in more detail with reference to a drawing showing only a preferred exemplary embodiment. In the drawing show:
Fig. 1 ein Ausfuhrungsbeispiel des erfindungsgemaßen Ausgießelementes vor seiner Montage in perspektivischer Darstellung,1 shows an exemplary embodiment of the pouring element according to the invention before its assembly in a perspective view,
Fig. 2 das fertig montierte Ausgießelement in perspektivischer Darstellung,2 shows the finished mounted pouring element in a perspective view,
Fig. 3 das Ausgießelement nach erstmaliger Öffnung des Schraubdeckels in perspektivischer Darstellung,3 shows the pouring element after the first opening of the screw cap in a perspective view,
Fig. 4 den Gegenstand aus Fig. 3 in perspektivischer Ansicht von schräg unten,4 shows the object from FIG. 3 in a perspective view obliquely from below, FIG.
Fig. 5 das Ausgießelement nach dem wiederholten Offnen in perspektivischer Ansicht von schräg unten, Fig. 6 Grundkorper und Offnungselement in Montagestellung, aufgeschnitten in perspektivischer Ansicht von unten und5 shows the pouring element after the repeated opening in a perspective view obliquely from below, Fig. 6 basic body and opening element in the assembled position, cut in a perspective view from below and
Fig. 7 den Gegenstand aus Fig. 6 nach dem wiederholten Offnen, aufgeschnitten in perspektivischer Ansicht .Fig. 7 shows the article of FIG. 6 after the repeated opening, cut in perspective view.
In Fig. 1 ist das erfindungsgemaße Ausgießelement als Explosionszeichnung dargestellt. Es besteht im wesentlichen aus drei verschiedenen Teilen, nämlich einem Grundkorper 1, einem hohlzylinderformigen Offnungselement 2 und einem Schraubdeckel 3. Der Grundkorper 1 weist einen umlaufenden Flansch 4 und ein Innengewinde 5 auf, das spater noch naher beschrieben wird.In Fig. 1, the pouring element according to the invention is shown as an exploded view. It consists essentially of three different parts, namely a basic body 1, a hollow cylinder-shaped opening element 2 and a screw cap 3. The base body 1 has a circumferential flange 4 and an internal thread 5, which will be described later.
Das Offnungselement 2 verfugt in seinem Inneren über zwei diametral angeordnete hakenartige Vorsprunge 7, über die die zum Offnen notwendige Drehkraft vom Schraubdeckel 3 auf das Offnungselement 2 übertragen wird. Auf seiner äußeren Mantelflache ist das Offnungselement 2 mit einem Außengewinde 8 versehen, auf das gleichfalls noch naher eingegangen werden wird.The opening element 2 has in its interior two diametrically arranged hook-like projections 7, via which the rotational force necessary for opening is transmitted from the screw cap 3 to the opening element 2. On its outer lateral surface, the opening element 2 is provided with an external thread 8, which will also be discussed in greater detail.
Erfindungsgemaß ist nun das Außengewinde 8 im unteren Abschnitt reduziert, wie Fig. 1 deutlich entnommen werden kann. Bevorzugt befinden sich die reduzierten Bereiche des Außengewindes 8 an zwei diametral gegenüberliegenden Bereichen 8F des Offnungselements 2.According to the invention, the external thread 8 is now reduced in the lower section, as shown in FIG. 1 can be clearly removed. The reduced regions of the external thread 8 are preferably located on two diametrically opposite regions 8F of the opening element 2.
Am oberen Ende des Außengewindes 8, das im bevorzugten Ausfuhrungsbeispiel aus zwei jeweils 180° versetzt ineinandergreifenden Gewindegangen 8A und 8B besteht, befindet sich jeweils ein Endanschlag 9, der dafür sorgt, dass das in das Packungsinnere hineingeschraubte Offnungselement 2 nicht aus dem Grundkorper 1 herausfallen und ins Packungsinnere gelangen kann.At the upper end of the external thread 8, which consists in the preferred embodiment of two mutually 180 ° intermeshing threads 8A and 8B, there is in each case an end stop 9, which ensures that the opening element 2 screwed into the interior of the package can not fall out of the main body 1 and enter the package interior.
Ferner weist das Offnungselement 2 an seinem unteren Ende eine Schneide 10 auf, wie besonders deutlich aus Fig. 4 zu entnehmen ist.Furthermore, the opening element 2 has a cutting edge 10 at its lower end, as can be seen particularly clearly from FIG. 4.
In Fig. 2 ist das erfindungsgemaße Ausgießelement perspektivisch in fertig montierter Stellung dargestellt. Es ist deutlich erkennbar, dass der Schraubdeckel 3 einstuckig mit einer Montageplatte 11 verbunden ist, welche mit dem Grundkorper 1 form- oder kraftschlussig in Verbindung steht.In Fig. 2, the pouring element according to the invention is shown in perspective in the fully assembled position. It can be clearly seen that the screw cap 3 is connected in one piece to a mounting plate 11, which is connected to the basic body 1 in a positive or non-positive connection.
Fig. 3 zeigt das Ausgießelement in gleicher Perspektive nach dem erstmaligen Abschrauben des Schraubdeckels 3. Beim Offnen reißen Sollbruchstellen in den die Montageplatte 11 und den Schraubdeckel 3 verbindenden Materialbrucken 12, im dargestellten und insoweit bevorzugten Ausfuhrungsbeispiel weist das Ausgießelement drei solche Materialbrucken 12 auf, wobei die zerstörten Materialbrucken 12' in Fig. 3 erkennbar sind.When opening tear predetermined breaking points in the mounting plate 11 and the screw 3 connecting material bridges 12, in the illustrated and insofar preferred exemplary embodiment, the pouring three such Materialbrucken 12, wherein the destroyed material bridges 12 'in Fig. 3 can be seen.
In Fig. 4 ist erkennbar, dass die Montageplatte 11 mit dem Flansch 4 des Grundkorpers 1 bevorzugt formschlussig verbunden ist. Dazu sind im Flansch 4 zwei sich nach unten aufweitende Offnungen 13 vorgesehen, in die zwei von der Montageplatte 11 nach unten ausgehende Verbindungszapfen 14 (vgl. Fig. 1) eingreifen und dort verstemmt werden, wie mit 14' angedeutet. Aus Fig. 4 geht ferner hervor, dass der Schraubdeckel 3 in seinem Inneren mit zwei konzentrischen Mitnehmerstegen 15 versehen ist, welche vom Deckel des Schraubdeckels 3 nach unten ragen und durch ihre gebogene konzentrische Stegform verwindungssteif Drehkrafte übertragen können, jedoch radial nach innen ausweichen können. Durch diese Ausgestaltung im Zusammenhang mit der hakenförmigen Ausgestaltung der Vorsprunge 7 im Inneren des Offnungselements 2 wird erreicht, dass beim erstmaligen Offnen das Offnungselement mit seiner Schneide 10 eine Öffnung in das unterhalb des Ausgießelementes befindliche Packungsmaterial schneidet. Jedoch werden beim Verschließen des Schraubdeckels 3 die Mitnehmerstege 15 durch die entsprechenden Schrägen der Vorsprunge 7 nach innen abgelenkt, so dass das Offnungselement 2 nicht verdreht wird.In Fig. 4 it can be seen that the mounting plate 11 is preferably positively connected to the flange 4 of the base body 1. For this purpose, two downwardly widening openings 13 are provided in the flange 4, in which two connecting pins 14 (see Fig. 1) extending downwards from the mounting plate 11 engage and are caulked there, as indicated at 14 '. From Fig. 4 also shows that the screw cap 3 is provided in its interior with two concentric Mitnehmerstegen 15, which protrude from the lid of the screw 3 down and by their curved concentric web shape torsionally stiff torque can transmit, but can dodge radially inward. As a result of this configuration in connection with the hook-shaped configuration of the projections 7 in the interior of the opening element 2, the opening element with its cutting edge 10 intersects an opening in the packing material located below the pouring element when it is first opened. However, when closing the screw cap 3, the driving webs 15 are deflected inwards by the corresponding bevels of the projections 7, so that the opening element 2 is not twisted.
Fig. 5 zeigt nun das Offnungselement 2 in seiner Endstellung, da beim abermaligen Offnen die Mitnehmerstege 15 durch ihre Lange jedoch wiederum hinter die hakenartigen Vorsprunge 7 greifen und bewirken, dass sich das Offnungselement 2 noch etwas weiter in das Verpackungsmaterial hineinschraubt als in der in Fig. 4 gezeigten Position nach der Erstoffnung. Hier hat das Offnungselement 2 also noch einmal eine etwa 180°-Drehung vollzogen .Fig. 5 now shows the opening element 2 in its final position, as the butting the catch webs 15 by their length, however, turn behind the hook-like projections 7 and cause the opening element 2 screwed a little further into the packaging material than in the in Fig 4 shown position after the Erstoffnung. Here, therefore, the opening element 2 has again completed an approximately 180 ° rotation.
In den Fig. 6 und 7 ist nun die Funktionsweise des Offnens durch Schnittdarstellungen naher erläutert. In Fig. 6 ist erkennbar, dass auch der Grundkorper 1 in seinem Inneren am Ende des unteren Gewindeabschnitts 5B ebenfalls einen Endanschlag 16 aufweist, der mit den Endanschlagen 9 des Offnungselements zusammenwirkt, wie in Fig. 7 ersichtlich. Auf diese Weise wird zuverlässig gewahrleistet, dass sich das vom Schraubdeckel 3 betätigte Offnungselement 2 nicht vom Ausgießelement losen und ins Packungsinnere fallen kann. Vielmehr verbleibt es in der Endstellung, wobei das von der Schneide 10 gebildete, jedoch nicht vollständig abgetrennte Verbundmaterialstuck senkrecht nach unten abgewinkelt wird, so dass der vollständige lichte Querschnitt des Offnungselements 2 zum Ausgießen zur Verfugung steht. In Figs. 6 and 7, the operation of the opening by sectional views is now explained in more detail. In Fig. 6 it can be seen that the basic body 1 in its interior at the end of the lower threaded portion 5B also has an end stop 16 which cooperates with the end stop 9 of the Öffnungselements, as shown in Fig. 7. That way it will be reliable ensures that the opening element 2 actuated by the screw cap 3 can not come loose from the pouring element and fall into the package interior. Rather, it remains in the end position, wherein the composite material piece formed by the cutting edge 10, but not completely separated, is angled vertically downwards, so that the complete clear cross section of the opening element 2 is available for pouring.

Claims

P A T E N T A N S P R Ü C H E PATENT APPLICATIONS
1. Wiederverschließbares Ausgießelement für in Karton/Kunststoff-Verbundpackungen abgefüllte flussige Lebensmittel, bestehend aus einem einen umlaufenden Flansch (4) und sowohl ein stabil ausgeführtes Innengewinde (5) als auch ein Außengewinde (6) aufweisenden Grundkorper (1), einem wenigstens eine Schneide (10) od. dgl . aufweisenden Offnungselement (2) und einem als Gewindekappe ausgeführten Schraubdeckel (3) , wobei das Offnungselement (2) ein stabil ausgeführtes Außengewinde (8) aufweist und im Inneren des Grundkorpers (1) angeordnet ist und wobei das Offnungselement (2) so ausgebildet ist, dass es beim erstmaligen Betatigen des Schraubdeckels (3) eine Öffnung in das unter dem Ausgießelement befindliche Packungsmaterial schneidet, d a d u r c h g e k e n n z e i c h n e t, d a s s das Außengewinde (8) des Offnungselements (2) im unteren Abschnitt wenigstens in einem Bereich (8F) derart reduziert oder unterbrochen ist und das Innengewinde (5) des Grundkorpers (1) wenigstens in einem entsprechenden Bereich ebenso reduziert oder unterbrochen ist, damit bei der Erstmontage das Offnungselement (2) ohne Einschrauben, Einpressen oder Uberpressen der Gewinde (5, 8) axial von oben in den Grundkorper (1) hinein bewegt werden kann. 1. resealable pouring for bottled in carton / plastic composite packages liquid food, consisting of a circumferential flange (4) and both a stably executed internal thread (5) and an external thread (6) having basic body (1), one at least one cutting edge (10) or the like having an opening element (2) and a screw cap (3) designed as a threaded cap, wherein the opening element (2) has a sturdy external thread (8) and is arranged inside the main body (1) and wherein the opening element (2) is designed in that when opening the screw cap (3) for the first time it cuts an opening into the packing material located under the pouring element, characterized in that the external thread (8) of the opening element (2) is reduced or interrupted in the lower section in at least one region (8F) and the internal thread (5) of the basic body (1) is also reduced or interrupted at least in a corresponding area, so that during initial assembly the opening element (2) can be screwed, pressed or pressed over the threads (5, 8) axially from above into the base body (2). 1) can be moved into it.
2. Ausgießelement nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t, d a s s das Außengewinde (8) des Offnungselementes (2) an zwei diametral gegenüberliegenden Bereichen (8F) reduziert oder unterbrochen ist.2. Pouring element according to claim 1, characterized in that the external thread (8) of the opening element (2) is reduced or interrupted at two diametrically opposite regions (8F).
3. Ausgießelement nach Anspruch 1 oder 2, d a d u r c h g e k e n n z e i c h n e t, d a s s das Außengewinde (8) des Offnungselements (2) zwei ineinandergreifende Gewindegange (8A, 8B) aufweist.3. Pouring element according to claim 1 or 2, characterized in that the external thread (8) of the opening element (2) has two intermeshing threads (8A, 8B).
4. Ausgießelement nach Anspruch 3, d a d u r c h g e k e n n z e i c h n e t, d a s s jeder Gewindegang (8A, 8B) das Of f nungselement (2) wenigstens 540° umspannt.4. Pouring element according to claim 3, characterized in that each thread (8A, 8B) spans the opening element (2) at least 540 [deg.].
5. Ausgießelement nach Anspruch 3 oder 4, d a d u r c h g e k e n n z e i c h n e t, d a s s das Außengewinde (8) des Offnungselements (2) jeweils im unteren Gewindegang (8A, 8B) reduziert oder unterbrochen ist.5. Pouring element according to claim 3 or 4, characterized in that the external thread (8) of the opening element (2) in each case in the lower thread (8A, 8B) is reduced or interrupted.
6. Ausgießelement nach einem der Ansprüche 1 bis 5, d a d u r c h g e k e n n z e i c h n e t, d a s s jedes Außengewinde (8) des Offnungselements (2) an seinem oberen Ende wenigstens einen Endanschlag (9) aufweist . 6. Pouring element according to one of claims 1 to 5, characterized in that each external thread (8) of the opening element (2) at its upper end at least one end stop (9).
7. Ausgießelement nach einem der Ansprüche 1 bis 6, d a d u r c h g e k e n n z e i c h n e t, d a s s die wenigstens eine Schneide (10) sowohl zum Einstechen in das Karton/Kunststoff-Verbundmaterial als auch zum Ausschneiden einer Gießoffnung geeignet ist .7. Pouring element according to claim 1, wherein the at least one cutting edge is suitable for piercing into the cardboard / plastic composite material as well as for cutting out a pouring opening.
8. Ausgießelement nach Anspruch 7, d a d u r c h g e k e n n z e i c h n e t, d a s s die Schneide (10) so ausgebildet ist, dass beim Hineindrehen ins Packungsmaterial die Schnittlange zum Bilden der Gießoffnung kleiner ist als ein Vollkreis .8. Pouring element according to claim 7, characterized in that the cutting edge (10) is formed so that when cutting into the packing material, the cutting length for forming the casting opening is smaller than a full circle.
9. Ausgießelement nach einem der Ansprüche 2 bis 8, d a d u r c h g e k e n n z e i c h n e t, d a s s der Grundkorper (1) im Inneren mehrere, jeweils diametral gegenüberliegende, Gewindeabschnitte (5A, 5B) aufweist.9. Pouring element according to one of claims 2 to 8, d a d u r c h e c e n e z e c h e n e, d a s s of the basic body (1) inside several, each diametrically opposed, threaded sections (5 A, 5 B).
10. Ausgießelement nach einem der Ansprüche 1 bis 9, d a d u r c h g e k e n n z e i c h n e t, d a s s im unteren Bereich des Grundkorpers (1) wenigstens ein Endanschlag (16) für das nach unten herausgeschraubte Offnungselement (2) vorgesehen ist.10. Pouring element according to one of claims 1 to 9, d a d u r c h e c e n e c e s in which at least one end stop (16) for the downwardly unscrewed opening element (2) is provided in the lower region of the base body (1).
11. Ausgießelement nach einem der Ansprüche 1 bis 10, d a d u r c h g e k e n n z e i c h n e t, d a s s das Offnungselement (2) mehrere in seinem Inneren verteilt angeordnete Vorsprunge (7) aufweist. 11. Pouring element according to one of claims 1 to 10, characterized in that the opening element (2) has a plurality of distributed in its interior arranged projections (7).
12. Ausgießelement nach Anspruch 11, d a d u r c h g e k e n n z e i c h n e t, d a s s der Schraubdeckel (3) in seinem Inneren wenigstens einen Mitnehmersteg (15) aufweist, der sich von der Oberseite des Schraubdeckels (3) ausgehend, konzentrisch gebogen nach unten erstreckt und ratschenartig mit den Vorsprungen (7) zusammenwirkt.12. Pouring element according to claim 11, characterized in that the screw cap (3) in its interior at least one entrainer web (15) extending from the top of the screw cap (3), concentrically bent downwards and ratchet-like with the projections (7 ) cooperates.
13. Ausgießelement nach einem der Ansprüche 1 bis 12, d a d u r c h g e k e n n z e i c h n e t, d a s s der Schraubdeckel (3) in montierter Stellung über als Sollbruchstellen dienende Materialbrucken (12) mit dem Grundkorper (1) verbunden ist.13. Pouring element according to one of claims 1 to 12, d a d u r c h e c e n e c e s t e, d a s s of the screw cap (3) in the mounted position via material bridges (12) serving as predetermined breaking points connected to the base body (1).
14. Ausgießelement nach Anspruch 13, d a d u r c h g e k e n n z e i c h n e t, d a s s die Materialbrucken (12) zwischen dem Schraubdeckel (3) und einer Montageplatte (11) verlaufen, und dass die Montageplatte (11) mit dem Flansch (4) des Grundkorpers (1) verbunden ist.14. Pouring element according to claim 13, wherein the material bridges (12) run between the screw cap (3) and a mounting plate (11), and that the mounting plate (11) is connected to the flange (4) of the main body (1).
15. Verfahren zur Montage eines Ausgießelementes nach einem der Ansprüche 1 bis 14, d a d u r c h g e k e n n z e i c h n e t, d a s s zunächst das Offnungselement radial ausgerichtet axial von oben in den Grundkorper hineinbewegt wird und dass gleichzeitig oder anschließend der Schraubdeckel montiert wird. 15. A method of assembling a pouring element according to one of claims 1 to 14, wherein the opening element is first moved into the basic body in a radially aligned manner axially from above and that the screw cap is mounted simultaneously or subsequently.
EP07727518A 2006-03-31 2007-03-29 Reclosable pouring element and method for assembling said element Active EP1931571B1 (en)

Priority Applications (1)

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PL07727518T PL1931571T3 (en) 2006-03-31 2007-03-29 Reclosable pouring element and method for assembling said element

Applications Claiming Priority (2)

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DE102006015525A DE102006015525B3 (en) 2006-03-31 2006-03-31 Screw cap closure for a plastics/cardboard container, for liquid foods, has a cutting unit within the base body with an interrupted thread for the screw cap to be assembled from above without screwing or pressure
PCT/EP2007/053046 WO2007113215A1 (en) 2006-03-31 2007-03-29 Reclosable pouring element and method for assembling said element

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EP1931571A1 true EP1931571A1 (en) 2008-06-18
EP1931571B1 EP1931571B1 (en) 2010-01-20

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US (1) US7959032B2 (en)
EP (1) EP1931571B1 (en)
KR (1) KR101360377B1 (en)
CN (1) CN101316763B (en)
AR (1) AR060261A1 (en)
AT (1) ATE455709T1 (en)
AU (1) AU2007233787B2 (en)
BR (1) BRPI0702840B1 (en)
CA (1) CA2603142C (en)
DE (2) DE102006015525B3 (en)
EA (1) EA013270B1 (en)
ES (1) ES2339892T3 (en)
MX (1) MX2007015315A (en)
PL (1) PL1931571T3 (en)
TW (1) TWI404657B (en)
WO (1) WO2007113215A1 (en)

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US10582787B2 (en) 2012-08-22 2020-03-10 Ptm Packaging Tools Machinery Pte. Ltd. Paper-based container lids and methods for making the same
US10676261B2 (en) 2017-09-07 2020-06-09 Silgan White Cap LLC Closure assembly

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US10582787B2 (en) 2012-08-22 2020-03-10 Ptm Packaging Tools Machinery Pte. Ltd. Paper-based container lids and methods for making the same
US11497330B2 (en) 2012-08-22 2022-11-15 Ptm Packaging Tools Machinery Pte. Ltd. Paper-based container lids and methods for making the same
US10676261B2 (en) 2017-09-07 2020-06-09 Silgan White Cap LLC Closure assembly
US11718457B2 (en) 2017-09-07 2023-08-08 Silgan White Cap LLC Closure assembly
WO2020020706A1 (en) 2018-07-23 2020-01-30 Sig Technology Ag Combipack having a pouring element and an elliptical, overcoated hole

Also Published As

Publication number Publication date
AR060261A1 (en) 2008-06-04
TW200824981A (en) 2008-06-16
CN101316763B (en) 2011-03-16
BRPI0702840A (en) 2008-04-01
CA2603142C (en) 2015-03-17
EA013270B1 (en) 2010-04-30
PL1931571T3 (en) 2010-08-31
CN101316763A (en) 2008-12-03
MX2007015315A (en) 2008-02-11
AU2007233787A1 (en) 2007-10-11
EA200702015A1 (en) 2009-04-28
KR20080114673A (en) 2008-12-31
AU2007233787B2 (en) 2014-01-23
ES2339892T3 (en) 2010-05-26
ATE455709T1 (en) 2010-02-15
DE102006015525B3 (en) 2007-08-02
KR101360377B1 (en) 2014-02-07
US7959032B2 (en) 2011-06-14
DE502007002668D1 (en) 2010-03-11
EP1931571B1 (en) 2010-01-20
CA2603142A1 (en) 2007-10-11
BRPI0702840B1 (en) 2017-12-19
WO2007113215A1 (en) 2007-10-11
TWI404657B (en) 2013-08-11
US20090020558A1 (en) 2009-01-22

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