EP2958815B1 - Can closure with inner closure part - Google Patents

Can closure with inner closure part Download PDF

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Publication number
EP2958815B1
EP2958815B1 EP14704521.5A EP14704521A EP2958815B1 EP 2958815 B1 EP2958815 B1 EP 2958815B1 EP 14704521 A EP14704521 A EP 14704521A EP 2958815 B1 EP2958815 B1 EP 2958815B1
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EP
European Patent Office
Prior art keywords
closure part
closure
tamper
opening
pouring opening
Prior art date
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EP14704521.5A
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German (de)
French (fr)
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EP2958815A1 (en
Inventor
Rolf Zöller
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.)
Euro-Cap GmbH
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Euro-Cap GmbH
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Publication date
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Priority to PL14704521T priority Critical patent/PL2958815T3/en
Publication of EP2958815A1 publication Critical patent/EP2958815A1/en
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Publication of EP2958815B1 publication Critical patent/EP2958815B1/en
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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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/50—Non-integral frangible members applied to, or inserted in, preformed openings, e.g. tearable strips or plastic plugs
    • B65D17/506—Rigid or semi-rigid members, e.g. plugs
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0804—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage
    • B65D47/0833—Hinges without elastic bias
    • B65D47/0838—Hinges without elastic bias located at an edge of the base element
    • B65D47/0842—Hinges without elastic bias located at an edge of the base element consisting of a strap of flexible material

Definitions

  • the invention relates to a can closure for insertion into a can lid of a can, in particular a beverage can, with the features of the preamble of patent claim 1.
  • EP 1 542 909 B1 is a can closure known, which can be used for example in a beverage can.
  • This known can closure consists essentially of a closure bottom, a closure top and a closure lid, wherein the can closure is made in one piece from plastic.
  • the closure bottom is inserted into a can opening in the can lid and welded to the mouth edge of the can opening.
  • the can closure is then initially in a transport position flat on the top of the can lid.
  • the closure top is then folded onto the closure bottom, wherein the closure upper part pushes out a sealing element in the closure bottom and thereby opens the beverage can.
  • the closure lid is then opened upwards by the upper closure part in order to be able to remove liquid from the can.
  • the closure lid can then be folded back onto the closure top to close the beverage can again.
  • This known can closure advantageously makes it possible to reclose the can after a liquid withdrawal.
  • a disadvantage of this known can closure is the fact that the inside pressure of the can presses against the can closure from the inside, so that the can closure must be sufficiently pressure-resistant.
  • the welding between the can interior part and the mouth edge of the can opening must be sufficiently stable.
  • the invention is therefore based on the object to provide a correspondingly improved dose closure.
  • the can closure according to the invention initially has an outer closure part, which is in the mounted state outside the can and is inserted into a can opening in the can lid.
  • the closure outer part may be constructed in a similar manner as in the known dose closure described above EP 1 542 909 B1
  • EP 1 542 909 B1 the content of this patent is useful for understanding the present description in terms of the structural design of the closure outer part.
  • the can closure according to the invention has a closure inner part, which is assembled in the assembled state with the closure outer part and is located inside the can, wherein the closure inner part is supported from below on the can lid.
  • the inner tube pressure in the can pushes this closure inner part from below against the underside of the can lid.
  • the closure inner part thus decreases in the case of the can closure according to the invention the inside of the can, which in the known dose closure described in the beginning according to EP 1 542 909 B1 acts on the weld between the closure bottom and the mouth edge of the can opening.
  • the closure inner part has a pouring opening which lies below the can opening, so that a liquid withdrawal is possible through the pouring opening and the can opening.
  • a sealing element is inserted into the pouring opening of the closure inner part, which rests against the closure inner part from below and seals the pouring opening in the closure inner part, provided that no liquid removal is to take place.
  • the sealing element rests from below on the mouth edge of the pouring opening on the closure inner part and is pressed by the inner pressure of the can on the mouth edge of the pouring opening of the closure inner part.
  • the inner tube pressure thus does not act on a weld between the mouth edge of the can opening and the closure bottom, as is the case in the prior art.
  • the can closure according to the invention is therefore substantially more resistant to pressure and therefore particularly well suited for beverage cans for carbonated drinks.
  • closure outer part can be constructed in a similar manner as in the can closure according to EP 1 542 909 B1 ,
  • the closure outer part therefore has, according to the invention, a closure lower part which in the mounted state is inserted into the can opening in the can lid and has a pouring opening which lies above the can opening.
  • the closure outer part has an upper closure part which is pivotally connected to the closure bottom and has a pouring opening which lies above the pouring opening in the closure lower part, wherein the closure upper part is pivotable from a delivery position into a use position.
  • the closure outer part has a closure lid, which is pivotally attached to the closure top, to close the pouring opening in the closure top either in a closed position or to open in a removal position.
  • the pouring openings in the closure inner part, the closure upper part and the closure lower part are in this case preferably in registration with the can opening in the can, so that a liquid removal through the can opening and the pouring openings in closure inner part, closure bottom and closure top is possible.
  • a tamper-evident element is inserted into the pouring opening of the closure bottom part according to the invention, which is connected by at least one predetermined breaking point with the closure bottom part.
  • the closure top then breaks this tamper-evident element out of the closure bottom when the closure top is pivoted from the delivery position to the use position.
  • the closure upper part preferably has at least one projection on its underside which protrudes downwards.
  • this projection can also be attached to the underside of the closure lid.
  • the tamper-evident element preferably has at least one connecting element (eg pin) in order to produce a mechanical connection with the sealing element.
  • this pin of the tamper-evident element is pressed into a corresponding bore in the sealing element and thereby establishes a clamping connection between the sealing element and the tamper-evident element.
  • the tamper-evident element and the sealing element are then broken out together and then preferably fall into the can.
  • the tamper-evident element and the sealing element are in this case preferably dimensioned such that both together can no longer escape from the can opening, but remain permanently in the can.
  • closure outer part, the closure interior part, the closure shell, the closure bottom part and / or the closure lid are preferably made of plastic, wherein the entire can closure or at least the closure outer part can be made in one piece.
  • closure outer part is preferably connected by a welded connection or an adhesive connection with the closure inner part, in particular by a welded connection or an adhesive connection between the inner inner closure part and the outer closure lower part.
  • the closure inner part is preferably supported on a surface on the underside of the can lid, which is at least 20%, 30%, 40%, 50%, 60%, 70%, 80% or at least 90% of the inner surface of the can lid.
  • the invention differs Can closure also from the known can closure according to EP 1 542 909 B1 in which the can closure is supported on the inside of the can lid only at the mouth edge of the can opening.
  • the closure inner part is thus supported on a surface on the underside of the can lid, which is preferably at least 0.5 cm 2 , 1 cm 2 or 1.5 cm 2 .
  • the drawings show a can closure 1 according to the invention, which is mounted in a can lid 2 of a beverage can, wherein the can closure 1 is particularly suitable for beverage cans for carbonated drinks due to its compressive strength.
  • the can closure 1 consists essentially of an inner closure part 3 and an outer closure part consisting of a closure lower part 4 and a closure upper part 5 and a closure lid 6.
  • the closure lower part 4 is used in the assembly of the can closure 1 in a can opening in the can lid 2 and includes a pouring opening 7, which in the in FIG. 1 shown delivery position is initially closed by a tamper-evident element 8.
  • the closure top is pivotally mounted by means of a film hinge 9 on the closure part 4 and lies in the in FIG. 1 shown delivery position initially flat on the can lid 2.
  • closure lid 6 is pivotally attached to the closure top 5 by means of a further film hinge 10 and in the in FIG. 1 shown delivery position initially unfolded on the closure top, so that the closure lid 6 is then located between the upper closure part 5 and the can lid 2.
  • the closure upper part 5 is pivoted by means of the film hinge 9 onto the closure bottom part 4.
  • two projections 11, 12 press on the inside of the closure top 5 against two projections 13, 14 on the outside of the tamper-evident element 8, whereby the tamper-evident element 8 is broken inwards into the interior of the can.
  • the can closure 1 also has a sealing element 15, which abuts against the mouth edge of the pouring opening in the closure inner part 3 from the inside and receives the internal dose of the can.
  • the tamper-evident element 8 When breaking the tamper-evident element 8, the tamper-evident element 8 therefore falls into the can together with the sealing element 15.
  • the tamper-evident element 8 is in this case dimensioned together with the sealing element 15 so that both can not escape together again from the beverage can.
  • closure top 5 has a pour spout 19 to facilitate the pouring out of the beverage can.
  • FIGS. 6 and 7 show FIGS. 6 and 7 in that a sealing lip 20, which surrounds the can opening in the can lid 2 and rests against the underside of the can lid 2 in the mounted state, is formed on the upper side of the closure inner part 3.
  • the sealing lip 20 consists in this embodiment of a softer, more elastic material than the closure inner part 3 in order to achieve a good sealing effect.
  • the sealing lip 20 is molded onto the closure inner part 3.

Description

Die Erfindung betrifft einen Dosenverschluss zum Einsetzen in einen Dosendeckel einer Dose, insbesondere einer Getränkedose, mit den Merkmalen des Oberbegriffs des Patentanspruchs 1.The invention relates to a can closure for insertion into a can lid of a can, in particular a beverage can, with the features of the preamble of patent claim 1.

Aus EP 1 542 909 B1 ist ein Dosenverschluss bekannt, der beispielsweise in eine Getränkedose eingesetzt werden kann. Dieser bekannte Dosenverschluss besteht im Wesentlichen aus einem Verschlussunterteil, einem Verschlussoberteil und einem Verschlussdeckel, wobei der Dosenverschluss einteilig aus Kunststoff hergestellt ist. Bei der Montage dieses bekannten Dosenverschlusses wird das Verschlussunterteil in eine Dosenöffnung in dem Dosendeckel eingesetzt und mit dem Mündungsrand der Dosenöffnung verschweißt. Der Dosenverschluss liegt dann zunächst in einer Transportstellung flach auf der Oberseite des Dosendeckels auf. Zur Flüssigkeitsentnahme aus der Getränkedose wird das Verschlussoberteil dann auf das Verschlussunterteil geklappt, wobei das Verschlussoberteil ein Dichtelement in dem Verschlussunterteil herausdrückt und dadurch die Getränkedose öffnet. Anschließend wird dann zur Flüssigkeitsentnahme noch der Verschlussdeckel von dem Verschlussoberteil nach oben aufgeklappt, um Flüssigkeit aus der Dose entnehmen zu können. Nach der Flüssigkeitsentnahme kann der Verschlussdeckel dann wieder auf das Verschlussoberteil geklappt werden, um die Getränkedose wieder zu verschließen.Out EP 1 542 909 B1 is a can closure known, which can be used for example in a beverage can. This known can closure consists essentially of a closure bottom, a closure top and a closure lid, wherein the can closure is made in one piece from plastic. During assembly of this known can closure, the closure bottom is inserted into a can opening in the can lid and welded to the mouth edge of the can opening. The can closure is then initially in a transport position flat on the top of the can lid. For liquid removal from the beverage can, the closure top is then folded onto the closure bottom, wherein the closure upper part pushes out a sealing element in the closure bottom and thereby opens the beverage can. Then, for the removal of liquid, the closure lid is then opened upwards by the upper closure part in order to be able to remove liquid from the can. After the liquid removal, the closure lid can then be folded back onto the closure top to close the beverage can again.

Dieser bekannte Dosenverschluss ermöglicht vorteilhaft ein Wiederverschließen der Dose nach einer Flüssigkeitsentnahme.This known can closure advantageously makes it possible to reclose the can after a liquid withdrawal.

Nachteilig an diesem bekannten Dosenverschluss ist jedoch die Tatsache, dass der Doseninnendruck von innen gegen den Dosenverschluss drückt, so dass der Dosenverschluss ausreichend druckfest sein muss. Insbesondere muss die Verschweißung zwischen dem Doseninnenteil und dem Mündungsrand der Dosenöffnung ausreichend stabil sein.However, a disadvantage of this known can closure is the fact that the inside pressure of the can presses against the can closure from the inside, so that the can closure must be sufficiently pressure-resistant. In particular, the welding between the can interior part and the mouth edge of the can opening must be sufficiently stable.

Weiterhin ist zum Stand der Technik hinzuweisen aufFurthermore, it should be noted on the prior art

EP 0 221 843 A1 , WO 2012/031994 A1 , WO 96/16870 A1 , EP 0 221 843 A1 . WO 2012/031994 A1 . WO 96/16870 A1 .

US 3 889 842 A und AT 510 368 A1 . Diese Druckschriften offenbaren jedoch keine befriedigenden Dosenverschlüsse. Schließlich ist zum Stand der Technik hinzuweisen auf WO 2012/112 051 A2 . Diese Druckschrift offenbart einen Dosenverschluss gemäß dem Oberbegriff von Patentanspruch 1. Allerdings ist dieser bekannte Dosenverschluss ebenfalls nicht vollständig befriedigend. US 3,889,842 A and AT 510 368 A1 , However, these documents do not disclose satisfactory can closures. Finally, it should be noted on the state of the art WO 2012/112 051 A2 , This document discloses a can closure according to the preamble of claim 1. However, this known can closure is also not completely satisfactory.

Der Erfindung liegt deshalb die Aufgabe zugrunde, einen entsprechend verbesserten Dosenverschluss zu schaffen.The invention is therefore based on the object to provide a correspondingly improved dose closure.

Diese Aufgabe wird durch einen erfindungsgemäßen Dosenverschluss gemäß dem Hauptanspruch gelöst.This object is achieved by a can closure according to the invention according to the main claim.

Der erfindungsgemäße Dosenverschluss weist zunächst ein Verschlussaußenteil auf, das sich im montierten Zustand außerhalb der Dose befindet und in eine Dosenöffnung in dem Dosendeckel eingesetzt wird. Das Verschlussaußenteil kann in ähnlicher Weise aufgebaut sein, wie bei dem eingangs beschriebenen bekannten Dosenverschluss gemäß EP 1 542 909 B1 , so dass der Inhalt dieses Patents zum Verständnis der vorliegenden Beschreibung hinsichtlich der konstruktiven Gestaltung des Verschlussaußenteils nützlich ist.The can closure according to the invention initially has an outer closure part, which is in the mounted state outside the can and is inserted into a can opening in the can lid. The closure outer part may be constructed in a similar manner as in the known dose closure described above EP 1 542 909 B1 Thus, the content of this patent is useful for understanding the present description in terms of the structural design of the closure outer part.

Darüber hinaus weist der erfindungsgemäße Dosenverschluss ein Verschlussinnenteil auf, das im montierten Zustand mit dem Verschlussaußenteil zusammengefügt ist und sich innerhalb der Dose befindet, wobei sich das Verschlussinnenteil von unten an dem Dosendeckel abstützt.In addition, the can closure according to the invention has a closure inner part, which is assembled in the assembled state with the closure outer part and is located inside the can, wherein the closure inner part is supported from below on the can lid.

In einem bevorzugten Ausführungsbeispiel der Erfindung drückt der Doseninnendruck in der Dose dieses Verschlussinnenteil von unten gegen die Unterseite des Dosendeckels. Das Verschlussinnenteil nimmt also bei dem erfindungsgemäßen Dosenverschluss den Doseninnendruck auf, der bei dem eingangs beschriebenen bekannten Dosenverschluss gemäß EP 1 542 909 B1 auf die Verschweißung zwischen dem Verschlussunterteil und dem Mündungsrand der Dosenöffnung wirkt.In a preferred embodiment of the invention, the inner tube pressure in the can pushes this closure inner part from below against the underside of the can lid. The closure inner part thus decreases in the case of the can closure according to the invention the inside of the can, which in the known dose closure described in the beginning according to EP 1 542 909 B1 acts on the weld between the closure bottom and the mouth edge of the can opening.

In dem bevorzugten Ausführungsbeispiel der Erfindung weist das Verschlussinnenteil eine Ausgießöffnung auf, die unter der Dosenöffnung liegt, so dass durch die Ausgießöffnung und die Dosenöffnung eine Flüssigkeitsentnahme möglich ist. In die Ausgießöffnung des Verschlussinnenteils ist hierbei ein Dichtelement eingesetzt, das von unten an dem Verschlussinnenteil anliegt und die Ausgießöffnung in dem Verschlussinnenteil abdichtet, sofern keine Flüssigkeitsentnahme erfolgen soll.In the preferred embodiment of the invention, the closure inner part has a pouring opening which lies below the can opening, so that a liquid withdrawal is possible through the pouring opening and the can opening. In this case, a sealing element is inserted into the pouring opening of the closure inner part, which rests against the closure inner part from below and seals the pouring opening in the closure inner part, provided that no liquid removal is to take place.

In dem bevorzugten Ausführungsbeispiel der Erfindung liegt das Dichtelement von unten am Mündungsrand der Ausgießöffnung an dem Verschlussinnenteil an und wird vom Doseninnendruck auf den Mündungsrand der Ausgießöffnung des Verschlussinnenteils gedrückt. Der Doseninnendruck wirkt hierbei also nicht auf eine Verschweißung zwischen dem Mündungsrand der Dosenöffnung und dem Verschlussunterteil, wie es beim Stand der Technik der Fall ist. Der erfindungsgemäße Dosenverschluss ist also wesentlich druckfester und deshalb insbesondere für Getränkedosen für kohlensäurehaltige Getränke gut geeignet.In the preferred embodiment of the invention, the sealing element rests from below on the mouth edge of the pouring opening on the closure inner part and is pressed by the inner pressure of the can on the mouth edge of the pouring opening of the closure inner part. The inner tube pressure thus does not act on a weld between the mouth edge of the can opening and the closure bottom, as is the case in the prior art. The can closure according to the invention is therefore substantially more resistant to pressure and therefore particularly well suited for beverage cans for carbonated drinks.

Es wurde bereits vorstehend kurz erwähnt, dass das Verschlussaußenteil in ähnlicher Weise aufgebaut sein kann wie bei dem Dosenverschluss gemäß EP 1 542 909 B1 . Das Verschlussaußenteil weist deshalb erfindungsgemäß ein Verschlussunterteil auf, das im montierten Zustand in die Dosenöffnung in dem Dosendeckel eingesetzt ist und eine Ausgießöffnung aufweist, die über der Dosenöffnung liegt. Darüber hinaus weist das Verschlussaußenteil ein Verschlussoberteil auf, das schwenkbar mit dem Verschlussunterteil verbunden ist und eine Ausgießöffnung aufweist, die über der Ausgießöffnung in dem Verschlussunterteil liegt, wobei das Verschlussoberteil aus einer Auslieferungsstellung in eine Gebrauchsstellung schwenkbar ist. Schließlich weist das Verschlussaußenteil einen Verschlussdeckel auf, der schwenkbar an dem Verschlussoberteil angebracht ist, um die Ausgießöffnung in dem Verschlussoberteil wahlweise in einer Schließstellung zu schließen oder in einer Entnahmestellung zu öffnen. Die Ausgießöffnungen in dem Verschlussinnenteil, dem Verschlussoberteil und dem Verschlussunterteil liegen hierbei vorzugsweise in Deckung mit der Dosenöffnung in der Dose, so dass eine Flüssigkeitsentnahme durch die Dosenöffnung und die Ausgießöffnungen in Verschlussinnenteil, Verschlussunterteil und Verschlussoberteil möglich ist.It has already been mentioned briefly above that the closure outer part can be constructed in a similar manner as in the can closure according to EP 1 542 909 B1 , The closure outer part therefore has, according to the invention, a closure lower part which in the mounted state is inserted into the can opening in the can lid and has a pouring opening which lies above the can opening. In addition, the closure outer part has an upper closure part which is pivotally connected to the closure bottom and has a pouring opening which lies above the pouring opening in the closure lower part, wherein the closure upper part is pivotable from a delivery position into a use position. Finally, the closure outer part has a closure lid, which is pivotally attached to the closure top, to close the pouring opening in the closure top either in a closed position or to open in a removal position. The pouring openings in the closure inner part, the closure upper part and the closure lower part are in this case preferably in registration with the can opening in the can, so that a liquid removal through the can opening and the pouring openings in closure inner part, closure bottom and closure top is possible.

Darüber hinaus ist in die Ausgießöffnung des Verschlussunterteils erfindungsgemäß ein Originalitätssicherungselement eingesetzt, das durch mindestens eine Sollbruchstelle mit dem Verschlussunterteil verbunden ist. Das Verschlussoberteil bricht dieses Originalitätssicherungselement dann aus dem Verschlussunterteil heraus, wenn das Verschlussoberteil aus der Auslieferungsstellung in die Gebrauchsstellung geschwenkt wird.In addition, a tamper-evident element is inserted into the pouring opening of the closure bottom part according to the invention, which is connected by at least one predetermined breaking point with the closure bottom part. The closure top then breaks this tamper-evident element out of the closure bottom when the closure top is pivoted from the delivery position to the use position.

Zum Erleichtern dieses Herausbrechens des Originalitätssicherungselements weist das Verschlussoberteil an seiner Unterseite vorzugsweise mindestens einen Vorsprung auf, der nach unten hervorsteht. Dieser Vorsprung kann jedoch auch an der Unterseite des Verschlussdeckels angebracht sein.To facilitate this breaking out of the tamper-evident element, the closure upper part preferably has at least one projection on its underside which protrudes downwards. However, this projection can also be attached to the underside of the closure lid.

Darüber hinaus weist das Originalitätssicherungselement vorzugsweise mindestens ein Verbindungselement (z.B. Stift) zu, um eine mechanische Verbindung mit dem Dichtelement herzustellen. Bei der Montage des erfindungsgemäßen Dosenverschlusses wird dieser Stift des Originalitätssicherungselements in eine entsprechende Bohrung in dem Dichtelement gedrückt und stellt dadurch eine Klemmverbindung zwischen dem Dichtelement und dem Originalitätssicherungselement her. Beim anschließenden Herausbrechen des Originalitätssicherungselements durch Schwenken des Verschlussoberteils aus der Auslieferungsstellung in die Gebrauchsstellung werden dann das Originalitätssicherungselement und das Dichtelement zusammen herausgebrochen und fallen dann vorzugsweise in die Dose hinein. Das Originalitätssicherungselement und das Dichtelement sind hierbei vorzugsweise so bemessen, dass beide zusammen nicht mehr aus der Dosenöffnung austreten können, sondern dauerhaft in der Dose verbleiben.In addition, the tamper-evident element preferably has at least one connecting element (eg pin) in order to produce a mechanical connection with the sealing element. During assembly of the can closure according to the invention, this pin of the tamper-evident element is pressed into a corresponding bore in the sealing element and thereby establishes a clamping connection between the sealing element and the tamper-evident element. During the subsequent breaking out of the tamper-evident element by pivoting the closure upper part from the delivery position into the use position, the tamper-evident element and the sealing element are then broken out together and then preferably fall into the can. The tamper-evident element and the sealing element are in this case preferably dimensioned such that both together can no longer escape from the can opening, but remain permanently in the can.

Ferner ist zu erwähnen, dass das Verschlussaußenteil, das Verschlussinnenteil, das Verschlussoberteil, das Verschlussunterteil und/oder der Verschlussdeckel vorzugsweise aus Kunststoff bestehen, wobei der gesamte Dosenverschluss oder zumindest das Verschlussaußenteil einteilig hergestellt sein können.It should also be mentioned that the closure outer part, the closure interior part, the closure shell, the closure bottom part and / or the closure lid are preferably made of plastic, wherein the entire can closure or at least the closure outer part can be made in one piece.

Weiterhin ist zu erwähnen, dass das Verschlussaußenteil vorzugsweise durch eine Schweißverbindung oder eine Klebeverbindung mit dem Verschlussinnenteil verbunden ist, insbesondere durch eine Schweißverbindung oder eine Klebeverbindung zwischen dem innen liegenden Verschlussinnenteil und dem außen liegenden Verschlussunterteil.Furthermore, it should be mentioned that the closure outer part is preferably connected by a welded connection or an adhesive connection with the closure inner part, in particular by a welded connection or an adhesive connection between the inner inner closure part and the outer closure lower part.

Darüber hinaus ist noch zu erwähnen, dass sich das Verschlussinnenteil vorzugsweise auf einer Fläche an der Unterseite des Dosendeckels abstützt, die mindestens 20%, 30%, 40%, 50%, 60%, 70%, 80% oder mindestens 90% der Innenfläche des Dosendeckels umfasst. Dadurch unterscheidet sich der erfindungsgemäße Dosenverschluss auch von dem bekannten Dosenverschluss gemäß EP 1 542 909 B1 , bei dem sich der Dosenverschluss lediglich am Mündungsrand der Dosenöffnung innen an dem Dosendeckel abstützt. Der Verschlussinnenteil stützt sich also auf einer Fläche an der Unterseite des Dosendeckels ab, die vorzugsweise mindestens 0,5 cm2, 1 cm2 oder 1,5 cm2 beträgt.In addition, it should be mentioned that the closure inner part is preferably supported on a surface on the underside of the can lid, which is at least 20%, 30%, 40%, 50%, 60%, 70%, 80% or at least 90% of the inner surface of the can lid. As a result, the invention differs Can closure also from the known can closure according to EP 1 542 909 B1 in which the can closure is supported on the inside of the can lid only at the mouth edge of the can opening. The closure inner part is thus supported on a surface on the underside of the can lid, which is preferably at least 0.5 cm 2 , 1 cm 2 or 1.5 cm 2 .

Schließlich ist noch zu erwähnen, dass nicht nur für den vorstehend beschriebenen erfindungsgemäßen Dosenverschluss als einzelnes Bauteil Schutz beansprucht wird, sondern auch für eine Dose (z.B. Getränkedose) mit einem solchen Dosenverschluss. Andere vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen gekennzeichnet oder werden nachstehend zusammen mit der Beschreibung des bevorzugten Ausführungsbeispiels der Erfindung anhand der Figuren näher erläutert. Es zeigen:

Figur 1
eine perspektivische Außenansicht eines Dosendeckels einer Getränkedose mit einem erfindungsgemäßen Dosenverschluss in einer Auslieferungsstellung,
Figur 2
eine perspektivische Außenansicht des Dosenverschlusses aus Figur 1 in einer Gebrauchsstellung mit geschlossenem Verschlussdeckel,
Figur 3
eine perspektivische Außenansicht des Dosenverschlusses aus den Figuren 1 und 2 mit geöffnetem Verschlussdeckel,
Figur 4
eine perspektivische Innenansicht des Dosendeckels aus den Figuren 1 bis 3 mit dem erfindungsgemäßen Dosenverschluss,
Figur 5
eine perspektivische Innenansicht des Dosendeckels mit geöffnetem Dosenverschluss,
Figur 6
eine perspektivische Aufsicht auf das Verschlussinnenteil mit einer Dichtlippe, sowie
Figur 7
eine vergrößerte Detailsicht der Dichtlippe aus Figur 6.
Finally, it should be mentioned that not only for the above-described can closure according to the invention as a single component protection is claimed, but also for a can (eg beverage can) with such a can closure. Other advantageous developments of the invention are characterized in the subclaims or are explained in more detail below together with the description of the preferred embodiment of the invention with reference to the figures. Show it:
FIG. 1
an external perspective view of a can lid of a beverage can with a can closure according to the invention in a delivery position,
FIG. 2
an external perspective view of the can closure FIG. 1 in a use position with closed closure lid,
FIG. 3
an external perspective view of the can closure from the Figures 1 and 2 with open lid,
FIG. 4
an interior perspective view of the can lid from the FIGS. 1 to 3 with the can closure according to the invention,
FIG. 5
an interior perspective view of the can lid with open can closure,
FIG. 6
a perspective view of the closure inner part with a sealing lip, as well
FIG. 7
an enlarged detail view of the sealing lip of Figure 6.

Die Zeichnungen zeigen einen erfindungsgemäßen Dosenverschluss 1, der in einem Dosendeckel 2 einer Getränkedose montiert ist, wobei sich der Dosenverschluss 1 aufgrund seiner Druckfestigkeit besonders für Getränkedosen für kohlensäurehaltige Getränke eignet.The drawings show a can closure 1 according to the invention, which is mounted in a can lid 2 of a beverage can, wherein the can closure 1 is particularly suitable for beverage cans for carbonated drinks due to its compressive strength.

Der erfindungsgemäße Dosenverschluss 1 besteht im Wesentlichen aus einem Verschlussinnenteil 3 und einem Verschlussaußenteil bestehend aus einem Verschlussunterteil 4 und einem Verschlussoberteil 5 sowie einem Verschlussdeckel 6.The can closure 1 according to the invention consists essentially of an inner closure part 3 and an outer closure part consisting of a closure lower part 4 and a closure upper part 5 and a closure lid 6.

Das Verschlussunterteil 4 wird bei der Montage des Dosenverschlusses 1 in eine Dosenöffnung in dem Dosendeckel 2 eingesetzt und enthält eine Ausgießöffnung 7, die in der in Figur 1 dargestellten Auslieferungsstellung zunächst durch ein Originalitätssicherungselement 8 verschlossen ist.The closure lower part 4 is used in the assembly of the can closure 1 in a can opening in the can lid 2 and includes a pouring opening 7, which in the in FIG. 1 shown delivery position is initially closed by a tamper-evident element 8.

Das Verschlussoberteil ist mittels eines Filmscharniers 9 schwenkbar an dem Verschlussunterteil 4 angebracht und liegt in der in Figur 1 dargestellten Auslieferungsstellung zunächst flach auf dem Dosendeckel 2 auf.The closure top is pivotally mounted by means of a film hinge 9 on the closure part 4 and lies in the in FIG. 1 shown delivery position initially flat on the can lid 2.

Weiterhin ist der Verschlussdeckel 6 mittels eines weiteren Filmscharniers 10 schwenkbar an dem Verschlussoberteil 5 angebracht und in der in Figur 1 dargestellten Auslieferungsstellung zunächst auf das Verschlussoberteil aufgeklappt, so dass sich der Verschlussdeckel 6 dann zwischen dem Verschlussoberteil 5 und dem Dosendeckel 2 befindet.Furthermore, the closure lid 6 is pivotally attached to the closure top 5 by means of a further film hinge 10 and in the in FIG. 1 shown delivery position initially unfolded on the closure top, so that the closure lid 6 is then located between the upper closure part 5 and the can lid 2.

Zur Flüssigkeitsentnahme wird das Verschlussoberteil 5 mittels des Filmscharniers 9 auf das Verschlussunterteil 4 geschwenkt. Dabei drücken zwei Vorsprünge 11, 12 an der Innenseite des Verschlussoberteils 5 gegen zwei Vorsprünge 13, 14 an der Außenseite des Originalitätssicherungselements 8, wodurch das Originalitätssicherungselement 8 nach innen in den Doseninnenraum hinein herausgebrochen wird.For liquid removal, the closure upper part 5 is pivoted by means of the film hinge 9 onto the closure bottom part 4. In this case, two projections 11, 12 press on the inside of the closure top 5 against two projections 13, 14 on the outside of the tamper-evident element 8, whereby the tamper-evident element 8 is broken inwards into the interior of the can.

Darüber hinaus weist der erfindungsgemäße Dosenverschluss 1 noch ein Dichtelement 15 auf, das von innen an dem Mündungsrand der Ausgießöffnung in dem Verschlussinnenteil 3 anliegt und den Doseninnendruck aufnimmt.In addition, the can closure 1 according to the invention also has a sealing element 15, which abuts against the mouth edge of the pouring opening in the closure inner part 3 from the inside and receives the internal dose of the can.

Bei der Montage werden zwei Stifte 16, 17 an der Unterseite des Originalitätssicherungselements 8 in entsprechende Bohrungen in dem Dichtelement 15 hineingedrückt und stellen dadurch eine Klemmverbindung zwischen dem Originalitätssicherungselement 8 und dem Dichtelement 15 her.During assembly, two pins 16, 17 are pressed into the corresponding holes in the sealing element 15 on the underside of the tamper-evident element 8 and thereby establish a clamping connection between the tamper-evident element 8 and the sealing element 15.

Beim Herausbrechen des Originalitätssicherungselements 8 fällt das Originalitätssicherungselement 8 deshalb zusammen mit dem Dichtelement 15 in die Dose hinein. Das Originalitätssicherungselement 8 ist hierbei zusammen mit dem Dichtelement 15 so bemessen, dass beide nicht wieder zusammen aus der Getränkedose austreten können.When breaking the tamper-evident element 8, the tamper-evident element 8 therefore falls into the can together with the sealing element 15. The tamper-evident element 8 is in this case dimensioned together with the sealing element 15 so that both can not escape together again from the beverage can.

Zur Flüssigkeitsentnahme wird der Verschlussdeckel 6 dann aus der in Figur 2 dargestellten Schließstellung in die in Figur 3 dargestellte Entnahmestellung geschwenkt, um Flüssigkeit aus der Getränkedose ausgießen zu können. Das Schwenken des Verschlussdeckels 6 wird hierbei durch einen an dem Verschlussdeckel 6 angeformten Griff 18 erleichtert.For liquid removal of the cap 6 is then from in FIG. 2 shown closed position in the in FIG. 3 shown removal position pivoted to liquid pour out of the beverage can. The pivoting of the closure lid 6 is facilitated by a molded onto the closure lid 6 handle 18.

Darüber hinaus ist zu bemerken, dass das Verschlussoberteil 5 eine Ausgießtülle 19 aufweist, um das Ausgießen aus der Getränkedose zu erleichtern.In addition, it should be noted that the closure top 5 has a pour spout 19 to facilitate the pouring out of the beverage can.

Schließlich zeigen die Figuren 6 und 7, dass an der Oberseite des Verschlussinnenteils 3 eine Dichtlippe 20 angeformt ist, welche die Dosenöffnung in dem Dosendeckel 2 umgibt und im montierten Zustand an der Unterseite des Dosendeckels 2 anliegt.Finally, the show FIGS. 6 and 7 in that a sealing lip 20, which surrounds the can opening in the can lid 2 and rests against the underside of the can lid 2 in the mounted state, is formed on the upper side of the closure inner part 3.

Die Dichtlippe 20 besteht in diesem Ausführungsbeispiel aus einem weicheren, elastischeren Material als das Verschlussinnenteil 3, um eine gute Dichtwirkung zu erreichen.The sealing lip 20 consists in this embodiment of a softer, more elastic material than the closure inner part 3 in order to achieve a good sealing effect.

Bei der Herstellung des erfindungsgemäßen Dosenverschlusses wird die Dichtlippe 20 an das Verschlussinnenteil 3 angespritzt.In the production of the can closure according to the invention, the sealing lip 20 is molded onto the closure inner part 3.

Die Erfindung ist nicht auf das vorstehend beschriebene bevorzugte Ausführungsbeispiel beschränkt. Vielmehr ist eine Vielzahl von Varianten und Abwandlungen möglich, die ebenfalls von dem im Anspruch 1 definierten Gebrauch machen und deshalb in dessen Schutzbereich fallen.The invention is not limited to the preferred embodiment described above. Rather, a variety of variants and modifications is possible, which also make of the use defined in claim 1 and therefore fall within its scope.

Bezugszeichenliste:LIST OF REFERENCE NUMBERS

11
Dosenverschlusscan closure
22
Dosendeckelcan end
33
VerschlussinnenteilClosure Inside part
44
VerschlussunterteilClosure lower part
55
VerschlussoberteilClosure top
66
Verschlussdeckelcap
77
Ausgießöffnung in dem VerschlussunterteilPouring opening in the closure bottom
88th
OriginalitätssicherungselementTamper-evident element
99
Filmscharnierfilm hinge
1010
Filmscharnierfilm hinge
1111
Vorsprung an der Unterseite des VerschlussoberteilsProjection on the underside of the closure shell
1212
Vorsprung an der Unterseite des VerschlussoberteilsProjection on the underside of the closure shell
1313
Vorsprung an der Oberseite des OriginalitätssicherungselementsProjection on the top of the tamper-evident element
1414
Vorsprung an der Oberseite des OriginalitätssicherungselementsProjection on the top of the tamper-evident element
1515
Dichtelementsealing element
1616
Stift an der Unterseite des OriginalitätssicherungselementsPin on the bottom of the tamper-evident element
1717
Stift an der Unterseite des OriginalitätssicherungselementsPin on the bottom of the tamper-evident element
1818
Griff an dem VerschlussdeckelHandle on the closure lid
1919
Ausgießtüllespout
2020
Dichtlippesealing lip

Claims (8)

  1. A can closure (1) for inserting into a can end (2) of a can, in particular a drinks can, with
    a) an outer closure part (4, 5, 6), which in the assembled state is located outside the can and is inserted into a can opening in the can end (2), wherein the outer closure part (4, 5, 6) has the following:
    a1) a lower closure part (4), which in the assembled state is inserted into the can opening in the can end (2) and has a pouring opening which lies above the can opening,
    a2) an upper closure part (5), which is connected pivotably to the lower closure part (4) and has a pouring opening which lies above the pouring opening in the lower closure part (4), wherein the upper closure part (5) is pivotable with respect to the lower closure part (4) out of a delivery position into a use position, and
    a3) a closure end (6), which is attached pivotably to the upper closure part (5), in order either to close the pouring opening in the upper closure part (5) in a closed position or to open it in an extracting position,
    b) an inner closure part (3), which in the assembled state is joined with the outer closure part (4, 5, 6) and is supported from below on the can end (2) and is located within the can,
    characterised in that
    c) a tamper-evident element (8) is inserted into the pouring opening of the lower closure part (4), which element is connected to the lower closure part (4) by at least one predetermined breaking point, and
    d) that the upper closure part (5) breaks the tamper-evident element (8) out of the lower closure part (4) if the upper closure part (5) is pivoted out of the delivery position into the use position.
  2. A can closure (1) according to Claim 1, characterised in that the upper closure part (5) has on its underside at least one projection (11, 12) which projects downwards and facilitates the breaking-out of the tamper-evident element (8) and the sealing element (15).
  3. A can closure (1) according to one of the preceding claims, characterised in that
    a) the tamper-evident element (8) has at least one connecting element (16, 17) in order to produce a mechanical connection with the sealing element (15), and/or
    b) the connecting element (16, 17) is a pin which projects inwards from the tamper-evident element (8) in order to engage in a bore in the sealing element (15) and to form a clamping connection between the pin (16, 17) and the bore, and/or
    c) the pin (16, 17) upon mounting of the can closure (1) in the can is pressed into the bore in the sealing element (15) and thereby produces the clamping connection between the sealing element (15) and the tamper-evident element (8).
  4. A can closure (1) according to one of the preceding claims, characterised in that
    a) the outer closure part (4, 5, 6), the inner closure part (3), the upper closure part (5), the lower closure part (4) and/or the closure end (6) consist of plastics material, and/or
    b) the outer closure part (4, 5, 6) is connected to the inner closure part (3) by a welded joint or an adhesive joint, in particular by a welded joint or an adhesive joint between the inner closure part (3) and the lower closure part (4), and/or
    c) the inner closure part (3) has on its upper side a sealing lip (20) which in the assembled state lies against the underside of the can end (2), and/or
    d) the sealing lip (20) consists of a different material from the inner closure part (3), and/or
    e) the sealing lip (20) is integrally moulded on the inner closure part (3).
  5. A can closure (1) according to one of the preceding claims, characterised in that
    a) the inner closure part (3) in the assembled state is supported on a face on the underside of the can end (2) which comprises at least 20%, 30%, 40%, 50%, 60%, 70, 80% or at least 90% of the inner face of the can end (2),
    b) the inner closure part (3) in the assembled state is supported on a face on the underside of the can end (2) which amounts to at least 0.5 cm2, 1 cm2 or 1.5 cm2.
  6. A can, in particular drinks can, with a can closure (1) according to one of the preceding claims inserted into a can end.
  7. A can according to Claim 6, characterised in that an internal can pressure existing in the can presses the inner closure part (3) from below against the underside of the can end (2).
  8. A can according to Claim 6 or 7, characterised in that a) the inner closure part (3) has a pouring opening which lies beneath a can opening in the can end (2), and b) a sealing element (15) is inserted into the pouring opening of the inner closure part (3), which element lies from below against the inner closure part (3), and/or c) the sealing element (15) lies from below against the mouth edge of the pouring opening on the inner closure part (3) and is pressed by an internal can pressure present in the can against the mouth edge of the pouring opening of the inner closure part (3).
EP14704521.5A 2013-02-25 2014-02-05 Can closure with inner closure part Active EP2958815B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14704521T PL2958815T3 (en) 2013-02-25 2014-02-05 Can closure with inner closure part

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013003154.0A DE102013003154B3 (en) 2013-02-25 2013-02-25 can closure
PCT/EP2014/000307 WO2014127887A1 (en) 2013-02-25 2014-02-05 Can closure with inner closure part

Publications (2)

Publication Number Publication Date
EP2958815A1 EP2958815A1 (en) 2015-12-30
EP2958815B1 true EP2958815B1 (en) 2017-05-17

Family

ID=49781713

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14704521.5A Active EP2958815B1 (en) 2013-02-25 2014-02-05 Can closure with inner closure part

Country Status (6)

Country Link
EP (1) EP2958815B1 (en)
DE (1) DE102013003154B3 (en)
ES (1) ES2635509T3 (en)
HU (1) HUE034938T2 (en)
PL (1) PL2958815T3 (en)
WO (1) WO2014127887A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015000914B3 (en) 2015-01-26 2015-09-24 Euro-Cap Gmbh Can closure, especially for a milk can
DE102022123526B3 (en) 2022-09-14 2023-07-20 Ardagh Metal Packaging Europe Gmbh Method of manufacturing a closure element for a container and a closure assembly

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3705671A (en) * 1970-08-05 1972-12-12 United States Steel Corp Can end with bonded seal slide
GB1389351A (en) * 1971-11-23 1975-04-03 Nat Can Corp Easy opening containers
US3889842A (en) * 1974-05-20 1975-06-17 Robert A Bennett Container closure opening means
US4113134A (en) * 1977-11-17 1978-09-12 Heintzelman Leo A Can closure
EP0221843B1 (en) * 1985-10-04 1989-06-14 Alcan Rorschach AG Lid made of laminate with an opening closed by a strip member,and method for making it
US4746032A (en) * 1987-08-18 1988-05-24 Meei Huey Tai Quick-release resealable beverage can cover assembly
JP3561307B2 (en) * 1994-11-29 2004-09-02 日本テトラパック株式会社 Pull tab for liquid container
US5810189A (en) * 1995-11-22 1998-09-22 Baker; Anthony Leonard Container seal
US6286703B1 (en) * 1998-07-02 2001-09-11 Laurie Munro Resealable drink can
EP1542909B1 (en) * 2002-09-24 2006-05-17 Jürgen Sooth Container seal, container lid and container
US8240498B2 (en) * 2006-10-31 2012-08-14 Crown Packaging Technology, Inc. Resealable closure
AT507950B1 (en) * 2009-02-23 2011-07-15 Xolution Gmbh COVER OF A CONTAINER
EP2354022B1 (en) * 2010-02-02 2012-12-26 Klaus Thielen Can lid and method for manufacturing a can lid
PL2555988T3 (en) * 2010-04-06 2014-11-28 Can2Close Gmbh Container closure device, and container having such a container closure device
AT510368B1 (en) * 2010-09-07 2013-04-15 Xolution Gmbh COVER OF A CONTAINER
US20140305942A1 (en) * 2011-02-17 2014-10-16 Save-Ty Can Cap B.V. Closing Element and Container Provided with Such a Closing Element

Also Published As

Publication number Publication date
ES2635509T3 (en) 2017-10-04
PL2958815T3 (en) 2018-01-31
DE102013003154B3 (en) 2014-01-16
EP2958815A1 (en) 2015-12-30
HUE034938T2 (en) 2018-03-28
WO2014127887A1 (en) 2014-08-28

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