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EP3932826A1 - Metallic can lid - Google Patents

Metallic can lid Download PDF

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Publication number
EP3932826A1
EP3932826A1 EP21185634.9A EP21185634A EP3932826A1 EP 3932826 A1 EP3932826 A1 EP 3932826A1 EP 21185634 A EP21185634 A EP 21185634A EP 3932826 A1 EP3932826 A1 EP 3932826A1
Authority
EP
European Patent Office
Prior art keywords
sealing
lid
opening
closing unit
area
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
EP21185634.9A
Other languages
German (de)
French (fr)
Other versions
EP3932826B1 (en
EP3932826C0 (en
Inventor
Gregor Anton Piech
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.)
Top Cap Holding GmbH
Original Assignee
Top Cap Holding GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Top Cap Holding GmbH filed Critical Top Cap Holding GmbH
Priority to RS20231233A priority Critical patent/RS64980B1/en
Priority to HRP20231482TT priority patent/HRP20231482T1/en
Publication of EP3932826A1 publication Critical patent/EP3932826A1/en
Application granted granted Critical
Publication of EP3932826B1 publication Critical patent/EP3932826B1/en
Publication of EP3932826C0 publication Critical patent/EP3932826C0/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1672—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by manual actuation of the closure or other element
    • 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
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
    • B65D17/4012—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening partially by means of a tearing tab
    • B65D17/4014—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening partially by means of a tearing tab and provided with attached means for reclosing or resealing
    • 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
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1672—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by manual actuation of the closure or other element
    • B65D51/1688—Venting occurring during initial closing or opening of the container, by means of a passage for the escape of gas between the closure and the lip of the container mouth, e.g. interrupted threads
    • 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
    • B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
    • B65D53/02—Collars or rings
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/001—Action for opening container
    • B65D2517/0013—Action for opening container pull-out tear panel, e.g. by means of a tear-tab
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/0031—Reclosable openings
    • B65D2517/0038—Reclosable openings the plug being reinsertable into 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/0031—Reclosable openings
    • B65D2517/004—Reclosable openings by means of an additional element
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/0031—Reclosable openings
    • B65D2517/004—Reclosable openings by means of an additional element
    • B65D2517/0044—Reclosable openings by means of an additional element attached to the tear tab
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/0031—Reclosable openings
    • B65D2517/0046—Unusual reclosable openings
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/0058—Other details of container end panel
    • B65D2517/0059—General cross-sectional shape of container end panel
    • B65D2517/0061—U-shaped
    • B65D2517/0062—U-shaped and provided with an additional U-shaped peripheral channel
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/50—Non-integral frangible members applied to, or inserted in, a preformed opening
    • B65D2517/5072—Details of hand grip, tear- or lift-tab
    • B65D2517/5075—Hand grip with finger opening
    • B65D2517/5081—Hand grip with finger opening the hand grip formed as an annular or U-shaped element

Definitions

  • the present invention relates to a metallic can lid with a resealable opening, in particular for beverage cans and for containers for storing food and other liquid, pasty, powdery and / or solid products.
  • the plastic closure part comprises a base part which is to be connected to the flanged edge of the can opening and in which an opening is formed which is closed by a flat stopper.
  • the flat stopper is connected to the opening edge via a plastic tear seam, so that the flat stopper connected to a pull tab can be detached from the plastic base part by pulling over the pull tab and pivoted into an opening point.
  • the opening can be temporarily closed again by pressing in the flat plug, which is preferably conical on its underside.
  • Resealable can lids are also for example in the DE 10 2010 013 531 A1 , the DE 10 2015 112 428 A1 and the EP 2 354 022 B1 described.
  • the object of the invention is to provide a resealable can lid which is particularly inexpensive to manufacture and yet on the one hand easy to operate and on the other hand has good sealing properties.
  • a microgap ensures that the can lid can be opened particularly easily, but a line of weakness is also generally suitable.
  • An effective closure and reclosure can be achieved via the sealing and locking ribs and the associated receiving grooves. It is particularly advantageous here that the sealing frame is firmly connected to the fixed cover surface and the closing unit to the metal cover area that can be pivoted upwards.
  • the sealing and locking ribs with the receiving grooves form at least two, preferably three sealing edges, the sealing edges being designed so that when the can lid is opened, the radially innermost sealing edge still seals when the radially outer or both radially outer sealing edges have just been released.
  • so-called venting of a can closed with the can lid can be achieved, that is to say a slow pressure reduction before the can lid is completely opened.
  • the radially innermost sealing edge is at a greater distance from the cover surface than the other or the two other sealing edges. As a result, the innermost sealing edge detaches after the other or both of the other sealing edges, so that said venting is achieved.
  • At least the radially innermost sealing edge runs in a plane that is opposite to the plane of the is inclined within the microgap or the weakening line lid area, the two planes on the side facing away from the pivot bearing have the greatest distance from each other.
  • the sealing and locking ribs on the one hand and the receiving grooves on the other hand are designed in such a way that they increasingly interlock with one another when the can lid bulges. This ensures that the can lid remains closed even when the internal pressure in the can increases.
  • a locking rib provided on the sealing frame has an outwardly pointing hook which interacts with a correspondingly inwardly pointing locking projection of a receptacle of the closing unit.
  • the tear-open element has an opening into which an extension of the locking unit engages, the extension being firmly, in particular materially, connected to the tear-open element in such a way that the extension is swiveled up of the tear-open element is torn off from the sealing unit.
  • This configuration creates a tamper-evident closure, that is to say a closure whose opening is irreversibly recognizable.
  • the opening and the extension are provided in the area of the pivot bearing of the tear-open part. This ensures that the extension is torn off already takes place when the tear-off part is lifted, so that any manipulation of the can lid can be prevented.
  • the can lid 1 shown in the figures consists of metal, in particular aluminum, and has a resealable opening.
  • a lid area 3 that can be pivoted up is provided in the lid in addition to a fixed lid surface 2.
  • the pivotable lid area 3 is separated from the fixed lid area 2 by a circumferential microgap 4 or a weakening line (see in particular Fig. 6 ).
  • a sealing frame 5 made of plastic material surrounding the opening area is connected to the fixed cover surface 2, in particular by a so-called hot-melt process using an adhesion promoter, in order to ensure a firm connection with the aluminum of the cover.
  • the closing unit On the side diametrically opposite the pivot bearing 7, the closing unit is connected to a pivotable tear-open member 8 which, when not pivoted up, is arranged parallel to the upper side 9 of the cover.
  • the tear-open member 8 is designed in a known manner in the form of a ring and, by engaging a finger in an engaging end 10, can be pivoted upward about a pivot bearing 11 relative to the cover surface.
  • the sealing frame 5 and the closing unit 6 work together in a sealing manner via sealing and locking ribs 12, 13, 14 on the sealing frame 5 and associated receiving grooves 15, 16, 17 on the closing unit 6.
  • three sealing edges 18, 19, 20 are formed, by means of which the opening area of the can lid is sealed. Even when using a micro gap 4 between the pivotable Lid area 3 and the fixed lid area 2 are guaranteed to seal the can lid.
  • the radially innermost sealing edge 18 is further away from the lid surface than the other two sealing edges 19 and 20.
  • the innermost sealing edge 18 therefore still seals when the two outer sealing edges 19 and 20 are just released when the can lid is opened. In this way, so-called venting of the inside of the can can take place, i.e. a slow pressure reduction before it is fully opened.
  • the radially innermost sealing edge 18 runs in a plane I, which is inclined with respect to the cover plane II.
  • the inclination is, for example, 1 to 2 °, in particular 1.5 °. This ensures that the innermost sealing edge 18 still seals over its entire circumference when the cover region 3 is pivoted up, when the two outer sealing edges 19, 20 have just loosened. When venting the inside of the can, this can prevent liquid from escaping from the inside of the can.
  • the radially outermost sealing and locking rib 12 provided on the sealing frame 5 has an outwardly pointing hook 21 which interacts with a correspondingly inwardly pointing locking projection 22 of the associated receptacle 15 of the closing unit 6.
  • the sealing and locking rib 12 increasingly interlocks with the receptacle 15 or its locking projection when the can lid bulges, for example as a result of increasing internal pressure in the can.
  • the tear-open member 8 has an opening 23 into which an extension 24 of the closing unit 6 engages.
  • the extension 24 is so firmly, in particular cohesively, with the tear-open element 8 connected that the extension 24 is torn off from the closing unit 6 when the ripping member 8 is pivoted upward.
  • Such a fixed connection can be achieved, for example, in that the extension 24 is melted on after the injection molding of this plastic part in such a way that it is firmly connected to the part of the tear-open element 8 that forms the opening 23.
  • This can be achieved, for example, by a kind of soldering iron.
  • the opening 23 and the extension 24 are provided in the area of the pivot bearing 11 of the tear-open element 8. It is thereby achieved that even a slight lifting of the tear-open member 8 is sufficient to tear off the extension 24.
  • the inside of the can lid is laminated with a plastic film 25 which covers the entire inside of the lid.
  • the plastic film can also be designed in a ring shape and only extend by a few tenths of a millimeter, in particular 3 to 4 tenths of a millimeter, on both sides beyond the microgap 4 or the line of weakness.
  • Another possibility is to use a disk-shaped sealing film which extends by a few tenths of a millimeter, for example 3 to 4 tenths of a millimeter, radially outward beyond the microgap 4 or the line of weakness.
  • the sealing film can be designed as a largely flat disk. Both the ring-shaped and the disk-shaped sealing film are preferably designed as a stamped part.
  • the inside of the lid in contrast to the exemplary embodiment, can also be at least largely free of laminations and the like.
  • the inside of the lid can, however, be equipped with an in particular food grade Be provided with a layer of lacquer in order to prevent the goods in the can from coming into contact with the metallic lid material.
  • the sealing unit 6 connected to the fixed lid area 2 overlaps the microgap 4. In this way, a tightness of the can lid can be ensured even without a sealing film on the inside of the lid.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Laminated Bodies (AREA)

Abstract

Metallischer Dosendeckel mit einer wiederverschließbaren Öffnung mit einem in der metallischen Deckelfläche vorgesehenen, um die Öffnung umlaufenden Mikrospalt (4) oder Schwächungslinie, einem mit der festen Deckelfläche (2) verbundenen und den Öffnungsbereich umschließenden Dichtungsrahmen (5) aus Kunststoffmaterial, einer mit dem innerhalb des Mikrospalts (4) oder der Schwächungslinie gelegenen, hochschwenkbaren metallischen Deckelbereich (3) verbundenen Verschließeinheit (6) aus Kunststoffmaterial, die über ein Schwenklager (7) schwenkbar an der festen Deckelfläche (2) angebracht und bevorzugt mit einem Aufreißorgan (8) versehen ist, welches dem Schwenklager (7) diametral gegenüberliegend hochschwenkbar mit der Verschließeinheit (6) verbunden ist, wobei der Dichtungsrahmen (5) und die Verschließeinheit (6) über Dicht- und Rastrippen (12, 13, 14) und zugehörige Aufnahmenuten (15, 16, 17) dichtend zusammenwirken und der innerhalb des umlaufenden Mikrospalts (4) oder der Schwächungslinie gelegene metallische Deckelbereich (3) im Öffnungsbereich des Deckels (1) aufgenommen und gehalten ist, wobei die Dicht- und Rastrippen (12, 13, 14) mit den Aufnahmenuten (15, 16, 17) Dichtkanten (18, 19, 20) bilden, wobei die Dicht- und Rastrippen (12, 13, 14) einerseits und die Aufnahmenuten (15, 16, 17) andererseits so ausgebildet sind, dass sie sich bei aufwölbendem Dosendeckel (1) zunehmend miteinander verhaken.Metal can end with a resealable opening with a microgap (4) or weakening line provided in the metal end surface and running around the opening, a sealing frame (5) made of plastic material connected to the fixed end surface (2) and enclosing the opening area, a sealing frame (5) made of plastic material with the The closing unit (6) made of plastic material is connected to the microgap (4) or the weakening line and is connected to the metal lid area (3) that can be swung up and pivoted, which is attached to the fixed lid surface (2) so that it can pivot via a pivot bearing (7) and is preferably provided with a tear-open element (8), which is connected to the closing unit (6) so that it can be swung up diametrically opposite the pivot bearing (7), the sealing frame (5) and the closing unit (6) being connected via sealing and locking ribs (12, 13, 14) and associated receiving grooves (15, 16, 17) cooperate sealingly and within the circumferential micro-gap (4) or the weakening line The metallic cover area (3) is received and held in the opening area of the cover (1), the sealing and locking ribs (12, 13, 14) with the receiving grooves (15, 16, 17) sealing edges (18, 19, 20) form, the sealing and locking ribs (12, 13, 14) on the one hand and the receiving grooves (15, 16, 17) on the other hand being designed in such a way that they increasingly hook together as the can lid (1) bulges.

Description

Die vorliegende Erfindung betrifft einen metallischen Dosendeckel mit einer wiederverschließbaren Öffnung, insbesondere für Getränkedosen sowie für Behältnisse zur Aufbewahrung von Lebensmitteln und sonstigen flüssigen, pastösen, pulverförmigen und/oder festen Produkten.The present invention relates to a metallic can lid with a resealable opening, in particular for beverage cans and for containers for storing food and other liquid, pasty, powdery and / or solid products.

Aus der EP 1 607 341 A1 ist ein Dosendeckel mit einer wiederverschließbaren Öffnung bekannt, bei dem in dem metallischen Dosendeckel eine Öffnung eingebracht und der Rand dieser Öffnung umgebördelt ist, um eine Verankerungsmöglichkeit für ein vorgefertigtes Kunststoff-Verschlussteil zu schaffen. Das Kunststoff-Verschlussteil umfasst ein mit dem Bördelrand der Dosenöffnung zu verbindendes Basisteil, in dem eine durch einen Flachstopfen verschlossene Öffnung ausgebildet ist. Der Flachstopfen ist mit dem Öffnungsrand über eine Kunststoff-Reißnaht verbunden, so dass der mit einer Aufreißlasche verbundene Flachstopfen durch Zugausübung über die Aufreißlasche von dem Kunststoff-Basisteil gelöst und in eine Öffnungsstelle verschwenkt werden kann. Die Öffnung kann durch Eindrücken des an seiner Unterseite vorzugsweise konisch ausgebildeten Flachstopfens wieder vorübergehend verschlossen werden.From the EP 1 607 341 A1 a can lid with a resealable opening is known in which an opening is made in the metallic can lid and the edge of this opening is flanged in order to create an anchoring option for a prefabricated plastic closure part. The plastic closure part comprises a base part which is to be connected to the flanged edge of the can opening and in which an opening is formed which is closed by a flat stopper. The flat stopper is connected to the opening edge via a plastic tear seam, so that the flat stopper connected to a pull tab can be detached from the plastic base part by pulling over the pull tab and pivoted into an opening point. The opening can be temporarily closed again by pressing in the flat plug, which is preferably conical on its underside.

Wiederverschließbare Dosendeckel sind ferner beispielsweise in der DE 10 2010 013 531 A1 , der DE 10 2015 112 428 A1 und der EP 2 354 022 B1 beschrieben.Resealable can lids are also for example in the DE 10 2010 013 531 A1 , the DE 10 2015 112 428 A1 and the EP 2 354 022 B1 described.

Aufgabe der Erfindung ist es, einen wiederverschließbaren Dosendeckel anzugeben, der besonders günstig in der Herstellung ist und dennoch einerseits leicht zu betätigen ist und andererseits gute Dichteigenschaften aufweist.The object of the invention is to provide a resealable can lid which is particularly inexpensive to manufacture and yet on the one hand easy to operate and on the other hand has good sealing properties.

Diese Aufgabe wird gelöst durch einen metallischen Dosendeckel mit den Merkmalen des Anspruchs 1.This object is achieved by a metallic can lid with the features of claim 1.

Ein Mikrospalt gewährleistet ein besonders einfaches Öffnen des Dosendeckels, aber auch eine Schwächungslinie ist grundsätzlich geeignet. Über die Dicht- und Rastrippen sowie die zugehörigen Aufnahmenuten kann ein wirksamer Verschluss und Wiederverschluss erreicht werden. Hierbei ist es besonders vorteilhaft, dass der Dichtungsrahmen mit der festen Deckelfläche und die Verschließeinheit mit dem hochschwenkbaren metallischen Deckelbereich stoffschlüssig verbunden sind.A microgap ensures that the can lid can be opened particularly easily, but a line of weakness is also generally suitable. An effective closure and reclosure can be achieved via the sealing and locking ribs and the associated receiving grooves. It is particularly advantageous here that the sealing frame is firmly connected to the fixed cover surface and the closing unit to the metal cover area that can be pivoted upwards.

Erfindungsgemäß bilden die Dicht- und Rastrippen mit den Aufnahmenuten mindestens zwei, bevorzugt drei Dichtkanten, wobei die Dichtkanten so ausgebildet sind, dass beim Öffnen des Dosendeckels die radial innerste Dichtkante noch dichtet, wenn die radial äußere oder beide radial äußeren Dichtkanten gerade gelöst sind. Auf diese Weise kann ein sogenanntes Venting einer mit dem Dosendeckel verschlossenen Dose erreicht werden, das heißt, ein langsamer Druckabbau vor dem vollständigen Öffnen des Dosendeckels.According to the invention, the sealing and locking ribs with the receiving grooves form at least two, preferably three sealing edges, the sealing edges being designed so that when the can lid is opened, the radially innermost sealing edge still seals when the radially outer or both radially outer sealing edges have just been released. In this way, so-called venting of a can closed with the can lid can be achieved, that is to say a slow pressure reduction before the can lid is completely opened.

Nach einer bevorzugten Ausgestaltung der Erfindung weist die radial innerste Dichtkante einen größeren Abstand zur Deckelfläche auf als die andere oder die beiden anderen Dichtkanten. Dadurch löst die innerste Dichtkante nach der oder den beiden anderen Dichtkanten, so dass das genannte Venting erreicht wird.According to a preferred embodiment of the invention, the radially innermost sealing edge is at a greater distance from the cover surface than the other or the two other sealing edges. As a result, the innermost sealing edge detaches after the other or both of the other sealing edges, so that said venting is achieved.

Nach einer besonders bevorzugten Ausgestaltung der Erfindung verläuft zumindest die radial innerste Dichtkante in einer Ebene, die gegenüber der Ebene des innerhalb des Mikrospalts oder der Schwächungslinie gelegenen Deckelbereichs geneigt ist, wobei die beiden Ebenen auf der dem Schwenklager abgewandten Seite den größten Abstand voneinander aufweisen. Durch diese Ausgestaltung kann erreicht werden, dass die innerste Dichtkante über ihren gesamten Umfang so lange dichtet, bis die äußere oder die beiden äußeren Dichtkanten gelöst sind.According to a particularly preferred embodiment of the invention, at least the radially innermost sealing edge runs in a plane that is opposite to the plane of the is inclined within the microgap or the weakening line lid area, the two planes on the side facing away from the pivot bearing have the greatest distance from each other. This configuration can ensure that the innermost sealing edge seals over its entire circumference until the outer or both outer sealing edges are released.

Nach einer weiteren Ausgestaltung der Erfindung, die auch für sich beansprucht wird, sind die Dicht- und Rastrippen einerseits und die Aufnahmenuten andererseits so ausgebildet, dass sie sich bei aufwölbendem Dosendeckel zunehmend miteinander verhaken. Hierdurch kann gewährleistet werden, dass der Dosendeckel auch bei steigendem Innendruck in der Dose geschlossen bleibt.According to a further embodiment of the invention, which is also claimed for itself, the sealing and locking ribs on the one hand and the receiving grooves on the other hand are designed in such a way that they increasingly interlock with one another when the can lid bulges. This ensures that the can lid remains closed even when the internal pressure in the can increases.

Nach einer bevorzugten Ausgestaltung dieses Erfindungsgedankens weist eine am Dichtungsrahmen vorgesehene Rastrippe einen nach außen weisenden Haken auf, der mit einem entsprechend nach innen weisenden Rastvorsprung einer Aufnahme der Verschließeinheit zusammenwirkt. Durch diese Ausgestaltung wird eine zunehmende Verhakung bei sich aufwölbendem Dosendeckel erreicht.According to a preferred embodiment of this inventive concept, a locking rib provided on the sealing frame has an outwardly pointing hook which interacts with a correspondingly inwardly pointing locking projection of a receptacle of the closing unit. With this configuration, an increasing entanglement is achieved when the can lid bulges.

Nach noch einer Ausgestaltung der Erfindung, die ebenfalls auch für sich beansprucht wird, weist das Aufreißorgan eine Durchbrechung auf, in welche ein Fortsatz der Verschließeinheit eingreift, wobei der Fortsatz derart fest, insbesondere stoffschlüssig, mit dem Aufreißorgan verbunden ist, dass der Fortsatz beim Hochschwenken des Aufreißorgans von der Verschließeinheit abgerissen wird. Durch diese Ausgestaltung wird ein Originalitätsverschluss geschaffen, also ein Verschluss, dessen Öffnen irreversibel erkennbar wird.According to another embodiment of the invention, which is also claimed for itself, the tear-open element has an opening into which an extension of the locking unit engages, the extension being firmly, in particular materially, connected to the tear-open element in such a way that the extension is swiveled up of the tear-open element is torn off from the sealing unit. This configuration creates a tamper-evident closure, that is to say a closure whose opening is irreversibly recognizable.

Nach einer besonders bevorzugten Weiterbildung dieses Erfindungsgedankens sind die Durchbrechung und der Fortsatz im Bereich des Schwenklagers des Aufreißteils vorgesehen. Hierdurch wird erreicht, dass das Abreißen des Fortsatzes bereits beim Anheben des Aufreißteils erfolgt, so dass jede Manipulation des Dosendeckels verhindert werden kann.According to a particularly preferred development of this inventive concept, the opening and the extension are provided in the area of the pivot bearing of the tear-open part. This ensures that the extension is torn off already takes place when the tear-off part is lifted, so that any manipulation of the can lid can be prevented.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird nachfolgend beschrieben. Es zeigen, jeweils in schematischer Darstellung,

Fig. 1
eine perspektivische Ansicht eines erfindungsgemäßen Dosendeckels,
Fig. 2
eine Draufsicht auf die Oberseite des Dosendeckels von Fig. 1,
Fig. 3
einen Schnitt gemäß Linie A-A in Fig. 2,
Fig. 4
einen Schnitt gemäß Linie B-B in Fig. 2,
Fig. 5
Detail C von Fig. 3 in vergrößertem Maßstab,
Fig. 6
Detail D von Fig. 3 in vergrößertem Maßstab,
Fig. 7
eine Draufsicht auf den Dichtungsrahmen eines erfindungsgemäßen Dosendeckels,
Fig. 8
einen Schnitt gemäß Linie A-A in Fig. 7,
Fig. 9
einen Schnitt gemäß Linie C-C in Fig. 7, und
Fig. 10
Detail B von Fig. 8 in vergrößertem Maßstab.
An embodiment of the invention is shown in the drawing and is described below. They show, each in a schematic representation,
Fig. 1
a perspective view of a can lid according to the invention,
Fig. 2
a top view of the top of the can lid of FIG Fig. 1 ,
Fig. 3
a section along line AA in Fig. 2 ,
Fig. 4
a section along line BB in Fig. 2 ,
Fig. 5
Detail C of Fig. 3 on a larger scale,
Fig. 6
Detail D of Fig. 3 on a larger scale,
Fig. 7
a plan view of the sealing frame of a can lid according to the invention,
Fig. 8
a section along line AA in Fig. 7 ,
Fig. 9
a section along line CC in Fig. 7 , and
Fig. 10
Detail B of Fig. 8 on an enlarged scale.

Der in den Figuren dargestellte Dosendeckel 1 besteht aus Metall, insbesondere Aluminium, und weist eine wiederverschließbare Öffnung auf. Dafür ist im Deckel neben einer festen Deckelfläche 2 ein hochschwenkbarer Deckelbereich 3 vorgesehen. Der hochschwenkbare Deckelbereich 3 ist von dem festen Deckelbereich 2 durch einen umlaufenden Mikrospalt 4 oder eine Schwächungslinie getrennt (siehe insbesondere Fig. 6).The can lid 1 shown in the figures consists of metal, in particular aluminum, and has a resealable opening. For this purpose, a lid area 3 that can be pivoted up is provided in the lid in addition to a fixed lid surface 2. The pivotable lid area 3 is separated from the fixed lid area 2 by a circumferential microgap 4 or a weakening line (see in particular Fig. 6 ).

Mit der festen Deckelfläche 2 ist ein den Öffnungsbereich umschließender Dichtungsrahmen 5 aus Kunststoffmaterial verbunden, und zwar insbesondere durch ein sogenanntes Hot-Melt-Verfahren unter Verwendung eines Haftvermittlers, um eine feste Verbindung mit dem Aluminium des Deckels zu gewährleisten. Mit dem hochschwenkbaren metallischen Deckelbereich 3 ist des Weiteren eine Verschließeinheit 6 verbunden, die ebenfalls aus Kunststoff besteht und über ein Schwenklager 7 schwenkbar an der festen Deckelfläche 2 angebracht ist. Das Schwenklager 7 und die Verschließeinheit 6 sind wiederum insbesondere über eine Hot-Melt-Verbindung unter Verwendung eines Haftvermittlers mit der festen Deckelfläche 2 bzw. dem hochschwenkbaren Deckelbereich 3 verbunden.A sealing frame 5 made of plastic material surrounding the opening area is connected to the fixed cover surface 2, in particular by a so-called hot-melt process using an adhesion promoter, in order to ensure a firm connection with the aluminum of the cover. A closing unit 6, which is also made of plastic and is attached to the fixed cover surface 2 in a pivotable manner via a pivot bearing 7, is also connected to the metal cover area 3 which can be swiveled up. The pivot bearing 7 and the closing unit 6 are in turn connected to the fixed cover surface 2 or the cover area 3, which can be pivoted up, in particular via a hot-melt connection using an adhesion promoter.

An der dem Schwenklager 7 diametral gegenüberliegenden Seite ist die Verschließeinheit mit einem hochschwenkbaren Aufreißorgan 8 verbunden, welches im nicht hochgeschwenkten Zustand parallel zur Deckeloberseite 9 angeordnet ist. Das Aufreißorgan 8 ist in bekannter Weise ringförmig ausgebildet und durch Eingriffnahme mit einem Finger in ein Eingriffende 10 gegenüber der Deckelfläche um ein Schwenklager 11 hochschwenkbar.On the side diametrically opposite the pivot bearing 7, the closing unit is connected to a pivotable tear-open member 8 which, when not pivoted up, is arranged parallel to the upper side 9 of the cover. The tear-open member 8 is designed in a known manner in the form of a ring and, by engaging a finger in an engaging end 10, can be pivoted upward about a pivot bearing 11 relative to the cover surface.

Der Dichtungsrahmen 5 und die Verschließeinheit 6 wirken über Dicht- und Rastrippen 12, 13, 14 am Dichtungsrahmen 5 und zugehörige Aufnahmenuten 15, 16, 17 an der Verschließeinheit 6 dichtend zusammen. Dadurch werden drei Dichtkanten 18, 19, 20 gebildet, durch welche der Öffnungsbereich des Dosendeckels abgedichtet ist. Auch bei Verwendung eines Mikrospalts 4 zwischen dem hochschwenkbaren Deckelbereich 3 und dem festen Deckelbereich 2 ist dadurch eine Dichtigkeit des Dosendeckels gewährleistet.The sealing frame 5 and the closing unit 6 work together in a sealing manner via sealing and locking ribs 12, 13, 14 on the sealing frame 5 and associated receiving grooves 15, 16, 17 on the closing unit 6. As a result, three sealing edges 18, 19, 20 are formed, by means of which the opening area of the can lid is sealed. Even when using a micro gap 4 between the pivotable Lid area 3 and the fixed lid area 2 are guaranteed to seal the can lid.

Wie man insbesondere in Fig. 6 sehen kann, ist die radial innerste Dichtkante 18 weiter von der Deckelfläche entfernt als die beiden anderen Dichtkanten 19 und 20. Die innerste Dichtkante 18 dichtet daher noch ab, wenn die beiden äußeren Dichtkanten 19 und 20 beim Öffnen des Dosendeckels bereits gerade gelöst sind. Auf diese Weise kann ein sogenanntes Venting des Doseninneren erfolgen, also ein langsamer Druckabbau vor dem vollständigen Öffnen.How to particularly work in Fig. 6 can see, the radially innermost sealing edge 18 is further away from the lid surface than the other two sealing edges 19 and 20. The innermost sealing edge 18 therefore still seals when the two outer sealing edges 19 and 20 are just released when the can lid is opened. In this way, so-called venting of the inside of the can can take place, i.e. a slow pressure reduction before it is fully opened.

Wie man insbesondere in den Fig. 9 und 10 sehen kann, verläuft die radial innerste Dichtkante 18 in einer Ebene I, die gegenüber der Deckelebene II geneigt ist. Die Neigung beträgt dabei beispielsweise 1 bis 2°, insbesondere 1,5°. Hierdurch ist gewährleistet, dass die innerste Dichtkante 18 beim Hochschwenken des Deckelbereichs 3 über ihren gesamten Umfang noch abdichtet, wenn sich die beiden äußeren Dichtkanten 19, 20 gerade gelöst haben. Beim Venting des Doseninneren kann hierdurch verhindert werden, dass Flüssigkeit aus dem Doseninneren nach außen gelangt.In particular, how to do this in the Figures 9 and 10 can see, the radially innermost sealing edge 18 runs in a plane I, which is inclined with respect to the cover plane II. The inclination is, for example, 1 to 2 °, in particular 1.5 °. This ensures that the innermost sealing edge 18 still seals over its entire circumference when the cover region 3 is pivoted up, when the two outer sealing edges 19, 20 have just loosened. When venting the inside of the can, this can prevent liquid from escaping from the inside of the can.

Wie man insbesondere in den Fig. 5 und 6 erkennen kann, weist die am Dichtungsrahmen 5 vorgesehene radial äußerste Dicht- und Rastrippe 12 einen nach außen weisenden Haken 21 auf, der mit einem entsprechend nach innen weisenden Rastvorsprung 22 der zugehörigen Aufnahme 15 der Verschließeinheit 6 zusammenwirkt. Hierdurch wird erreicht, dass sich die Dicht- und Rastrippe 12 mit der Aufnahme 15 bzw. deren Rastvorsprung zunehmend verhakt, wenn sich der Dosendeckel aufwölbt, beispielsweise durch steigenden Innendruck in der Dose.In particular, how to do this in the Figures 5 and 6 can see, the radially outermost sealing and locking rib 12 provided on the sealing frame 5 has an outwardly pointing hook 21 which interacts with a correspondingly inwardly pointing locking projection 22 of the associated receptacle 15 of the closing unit 6. What is achieved hereby is that the sealing and locking rib 12 increasingly interlocks with the receptacle 15 or its locking projection when the can lid bulges, for example as a result of increasing internal pressure in the can.

Wie man insbesondere in den Fig. 2 und 6 sehen kann, weist das Aufreißorgan 8 eine Durchbrechung 23 auf, in welche ein Fortsatz 24 der Verschließeinheit 6 eingreift. Der Fortsatz 24 ist derart fest, insbesondere stoffschlüssig, mit dem Aufreißorgan 8 verbunden, dass der Fortsatz 24 beim Hochschwenken des Aufreißorgans 8 von der Verschließeinheit 6 abgerissen wird. Eine solche feste Verbindung kann beispielsweise dadurch erreicht werden, dass der Fortsatz 24 nach dem Spritzgießen dieses Kunststoffteils derart angeschmolzen wird, dass es sich mit dem die Durchbrechung 23 bildenden Teil des Aufreißorgans 8 fest verbindet. Dies kann beispielsweise durch eine Art Lötkolben bewirkt werden.In particular, how to do this in the Fig. 2 and 6th can see, the tear-open member 8 has an opening 23 into which an extension 24 of the closing unit 6 engages. The extension 24 is so firmly, in particular cohesively, with the tear-open element 8 connected that the extension 24 is torn off from the closing unit 6 when the ripping member 8 is pivoted upward. Such a fixed connection can be achieved, for example, in that the extension 24 is melted on after the injection molding of this plastic part in such a way that it is firmly connected to the part of the tear-open element 8 that forms the opening 23. This can be achieved, for example, by a kind of soldering iron.

Wie man in Fig. 6 erkennt, sind die Durchbrechung 23 und der Fortsatz 24 im Bereich des Schwenklagers 11 des Aufreißorgans 8 vorgesehen. Dadurch wird erreicht, dass bereits ein geringes Anheben des Aufreißorgans 8 genügt, um den Fortsatz 24 abzureißen.How to get in Fig. 6 recognizes, the opening 23 and the extension 24 are provided in the area of the pivot bearing 11 of the tear-open element 8. It is thereby achieved that even a slight lifting of the tear-open member 8 is sufficient to tear off the extension 24.

Beim dargestellten Ausführungsbeispiel ist die Innenseite des Dosendeckels mit einer Kunststofffolie 25 laminiert, welche die gesamte Deckelinnenseite abdeckt. Abweichend hiervon kann die Kunststofffolie auch ringförmig ausgebildet sein und nur um wenige Zehntel Millimeter, insbesondere 3 bis 4 Zehntel Millimeter, beidseits über den Mikrospalt 4 oder die Schwächungslinie hinaus reichen. Eine andere Möglichkeit besteht darin, eine scheibenförmige Dichtungsfolie zu verwenden, die um wenige Zehntel Millimeter, beispielsweise 3 bis 4 Zehntel Millimeter radial nach außen über den Mikrospalt 4 bzw. die Schwächungslinie hinaus reicht. Die Dichtungsfolie kann in diesem Fall als weitgehend flache Scheibe ausgebildet sein. Sowohl die ringförmige als auch die scheibenförmige Dichtungsfolie sind bevorzugt als Stanzteil ausgebildet.In the illustrated embodiment, the inside of the can lid is laminated with a plastic film 25 which covers the entire inside of the lid. Notwithstanding this, the plastic film can also be designed in a ring shape and only extend by a few tenths of a millimeter, in particular 3 to 4 tenths of a millimeter, on both sides beyond the microgap 4 or the line of weakness. Another possibility is to use a disk-shaped sealing film which extends by a few tenths of a millimeter, for example 3 to 4 tenths of a millimeter, radially outward beyond the microgap 4 or the line of weakness. In this case, the sealing film can be designed as a largely flat disk. Both the ring-shaped and the disk-shaped sealing film are preferably designed as a stamped part.

Während auf der Außenseite des Dosendeckels 1 stets der Dichtungsrahmen 5 und die Verschließeinheit 6 angebracht und über einen Haftvermittler mit dem Dosendeckel verbunden sind, kann die Deckelinnenseite abweichend von dem Ausführungsbeispiel auch zumindest weitgehend frei von Laminierungen und dergleichen sein. Die Deckelinnenseite kann aber mit einer insbesondere lebensmitteltauglichen Lackschicht versehen sein, um einen Kontakt des in der Dose befindlichen Gutes mit dem metallischen Deckelmaterial zu verhindern.While the sealing frame 5 and the closing unit 6 are always attached to the outside of the can lid 1 and connected to the can lid via an adhesion promoter, the inside of the lid, in contrast to the exemplary embodiment, can also be at least largely free of laminations and the like. The inside of the lid can, however, be equipped with an in particular food grade Be provided with a layer of lacquer in order to prevent the goods in the can from coming into contact with the metallic lid material.

Wie man insbesondere in den Fig. 5 und 6 erkennen kann, übergreift die stoffschlüssig mit dem festen Deckelbereich 2 verbundene Verschließeinheit 6 den Mikrospalt 4. Auf diese Weise kann auch ohne deckelinnenseitige Dichtungsfolie eine Dichtheit des Dosendeckels gewährleistet werden.In particular, how to do this in the Figures 5 and 6 can see, the sealing unit 6 connected to the fixed lid area 2 overlaps the microgap 4. In this way, a tightness of the can lid can be ensured even without a sealing film on the inside of the lid.

BezugszeichenlisteList of reference symbols

11
DosendeckelCan lid
22
fester Deckelbereichfixed lid area
33
hochschwenkbarer Deckelbereichhinged lid area
44th
MikrospaltMicrogap
55
DichtungsrahmenSealing frame
66th
VerschließeinheitClosing unit
77th
SchwenklagerSwivel bearing
88th
AufreißorganTear-off device
99
DeckeloberseiteTop of the lid
1010
EingriffendeIntervening
1111th
Schwenklager von 8Swivel bearing from 8
1212th
Dicht- und RastrippeSealing and locking rib
1313th
Dicht- und RastrippeSealing and locking rib
1414th
Dicht- und RastrippeSealing and locking rib
1515th
AufnahmenutReceiving groove
1616
AufnahmenutReceiving groove
1717th
AufnahmenutReceiving groove
1818th
DichtkanteSealing edge
1919th
DichtkanteSealing edge
2020th
DichtkanteSealing edge
2121
Hakenhook
2222nd
Vorsprunghead Start
2323
DurchbrechungBreakthrough
2424
FortsatzAppendix
2525th
DichtungsfolieSealing film
II.
Ebenelevel
IIII
Ebenelevel

Claims (4)

Metallischer Dosendeckel mit einer wiederverschließbaren Öffnung, insbesondere für Getränkedosen sowie für Behältnisse zur Aufbewahrung von Lebensmitteln und sonstigen flüssigen, pastösen, pulverförmigen oder festen Produkten, mit einem in der metallischen Deckelfläche vorgesehenen, um die Öffnung umlaufenden Mikrospalt (4) oder Schwächungslinie, einem mit der festen Deckelfläche (2) verbundenen und den Öffnungsbereich umschließenden Dichtungsrahmen (5) aus Kunststoffmaterial, einer mit dem innerhalb des Mikrospalts (4) oder der Schwächungslinie gelegenen, hochschwenkbaren metallischen Deckelbereich (3) verbundenen Verschließeinheit (6) aus Kunststoffmaterial, die über ein Schwenklager (7) schwenkbar an der festen Deckelfläche (2) angebracht und bevorzugt mit einem Aufreißorgan (8) versehen ist, welches dem Schwenklager (7) diametral gegenüberliegend hochschwenkbar mit der Verschließeinheit (6) verbunden ist, wobei der Dichtungsrahmen (5) und die Verschließeinheit (6) über Dicht- und Rastrippen (12, 13, 14) und zugehörige Aufnahmenuten (15, 16, 17) dichtend zusammenwirken und der innerhalb des umlaufenden Mikrospalts (4) oder der Schwächungslinie gelegene metallische Deckelbereich (3) im Öffnungsbereich des Deckels (1) aufgenommen und gehalten ist, wobei die Dicht- und Rastrippen (12, 13, 14) mit den Aufnahmenuten (15, 16, 17) Dichtkanten (18, 19, 20) bilden,
dadurch gekennzeichnet, dass
die Dicht- und Rastrippen (12, 13, 14) einerseits und die Aufnahmenuten (15, 16, 17) andererseits so ausgebildet sind, dass sie sich bei aufwölbendem Dosendeckel (1) zunehmend miteinander verhaken.Metallic can lid with a resealable opening, especially for beverage cans as well as for containers for storing food and other liquid, pasty, powdery or solid products, with a microgap (4) or weakening line provided in the metallic lid surface around the opening, one with the Sealing frame (5) made of plastic material connected to the fixed cover surface (2) and enclosing the opening area, a closing unit (6) made of plastic material connected to the metal cover area (3) which can be swiveled up within the microgap (4) or the weakening line and which is connected via a swivel bearing ( 7) is pivotably attached to the fixed cover surface (2) and is preferably provided with a tear-open member (8), which is connected to the closing unit (6) so that it can be swiveled up diametrically opposite the pivot bearing (7), the sealing frame (5) and the closing unit ( 6) via sealing and R astrippen (12, 13, 14) and associated receiving grooves (15, 16, 17) cooperate in a sealing manner and the metallic cover area (3) located within the circumferential microgap (4) or the weakening line is received and held in the opening area of the cover (1), wherein the sealing and locking ribs (12, 13, 14) with the receiving grooves (15, 16, 17) form sealing edges (18, 19, 20),
characterized in that
the sealing and locking ribs (12, 13, 14) on the one hand and the receiving grooves (15, 16, 17) on the other hand are designed in such a way that they increasingly interlock when the can lid (1) bulges. Dosendeckel nach Anspruch 1,
dadurch gekennzeichnet, dass
dass eine am Dichtungsrahmen (5) vorgesehene Rastrippe (12) einen nach außen weisenden Haken (21) aufweist, der mit einem entsprechend nach innen weisenden Rastvorsprung (22) einer zugehörigen Aufnahmenut der Verschließeinheit (6) zusammenwirkt.Can end according to claim 1,
characterized in that
that a locking rib (12) provided on the sealing frame (5) has an outwardly pointing hook (21) which interacts with a correspondingly inwardly pointing locking projection (22) of an associated receiving groove of the locking unit (6). Dosendeckel nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass
das Aufreißorgan (8) eine Durchbrechung (23) aufweist, in welche ein Fortsatz (24) der Verschließeinheit (6) eingreift, wobei der Fortsatz (24) derart fest, insbesondere stoffschlüssig, mit dem Aufreißorgan (8) verbunden ist, dass der Fortsatz (24) beim Hochschwenken des Aufreißorgans (8) von der Verschließeinheit (6) abgerissen wird.Can end according to one of the preceding claims,
characterized in that
the tear-open element (8) has an opening (23) into which an extension (24) of the closing unit (6) engages, the extension (24) being firmly, in particular cohesively, connected to the tear-open element (8) in such a way that the extension (24) is torn off from the closing unit (6) when the ripping member (8) is pivoted up. Dosendeckel nach Anspruch 3,
dadurch gekennzeichnet, dass
die Durchbrechung (23) und der Fortsatz (24) im Bereich des Schwenklagers des Aufreißorgans (8) vorgesehen sind.Can end according to claim 3,
characterized in that
the opening (23) and the extension (24) are provided in the area of the pivot bearing of the tear-open element (8).
EP21185634.9A 2018-06-19 2019-06-17 Metallic can lid Active EP3932826B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
RS20231233A RS64980B1 (en) 2018-06-19 2019-06-17 Metallic can lid
HRP20231482TT HRP20231482T1 (en) 2018-06-19 2019-06-17 Metallic can lid

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18178561.9A EP3584191A1 (en) 2018-06-19 2018-06-19 Metallic can lid
EP19731964.3A EP3790814B1 (en) 2018-06-19 2019-06-17 Metallic can lid
PCT/EP2019/065890 WO2019243260A1 (en) 2018-06-19 2019-06-17 Metallic can lid

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP19731964.3A Division-Into EP3790814B1 (en) 2018-06-19 2019-06-17 Metallic can lid
EP19731964.3A Division EP3790814B1 (en) 2018-06-19 2019-06-17 Metallic can lid

Publications (3)

Publication Number Publication Date
EP3932826A1 true EP3932826A1 (en) 2022-01-05
EP3932826B1 EP3932826B1 (en) 2023-09-27
EP3932826C0 EP3932826C0 (en) 2023-09-27

Family

ID=62712882

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Application Number Title Priority Date Filing Date
EP20185594.7A Withdrawn EP3741705A1 (en) 2018-06-19 2018-06-19 Metallic can lid
EP20185592.1A Withdrawn EP3753863A1 (en) 2018-06-19 2018-06-19 Metallic can lid
EP18178561.9A Withdrawn EP3584191A1 (en) 2018-06-19 2018-06-19 Metallic can lid
EP19731964.3A Active EP3790814B1 (en) 2018-06-19 2019-06-17 Metallic can lid
EP21185645.5A Active EP3929101B1 (en) 2018-06-19 2019-06-17 Metallic can lid
EP21185634.9A Active EP3932826B1 (en) 2018-06-19 2019-06-17 Metallic can lid

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EP18178561.9A Withdrawn EP3584191A1 (en) 2018-06-19 2018-06-19 Metallic can lid
EP19731964.3A Active EP3790814B1 (en) 2018-06-19 2019-06-17 Metallic can lid
EP21185645.5A Active EP3929101B1 (en) 2018-06-19 2019-06-17 Metallic can lid

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CA3102899A1 (en) 2019-12-26
SA520420824B1 (en) 2022-09-08
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CN112512933B (en) 2022-09-02
RS65315B1 (en) 2024-04-30
KR20220116367A (en) 2022-08-22
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MX2024005614A (en) 2024-05-24
EP3929101B1 (en) 2023-06-07
CN115246527B (en) 2024-10-29
CN115246512A (en) 2022-10-28
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AR115590A1 (en) 2021-02-03
HUE063232T2 (en) 2024-01-28
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EP3790814B1 (en) 2024-01-03
PL3932826T3 (en) 2024-03-11
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US11485540B2 (en) 2022-11-01
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JP7111845B2 (en) 2022-08-02

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