EP0706473B1 - Process for sealing containers made of glass or the like and sealing disks which adhere to the mouth of such a container - Google Patents
Process for sealing containers made of glass or the like and sealing disks which adhere to the mouth of such a container Download PDFInfo
- Publication number
- EP0706473B1 EP0706473B1 EP95921736A EP95921736A EP0706473B1 EP 0706473 B1 EP0706473 B1 EP 0706473B1 EP 95921736 A EP95921736 A EP 95921736A EP 95921736 A EP95921736 A EP 95921736A EP 0706473 B1 EP0706473 B1 EP 0706473B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- adhesive
- sealing
- web
- closure
- coated
- 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.)
- Expired - Lifetime
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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
- B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
- B65D53/04—Discs
-
- 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
- B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
- B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
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- 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
- B65D2251/00—Details relating to container closures
- B65D2251/0003—Two or more closures
- B65D2251/0006—Upper closure
- B65D2251/0015—Upper closure of the 41-type
-
- 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
- B65D2251/00—Details relating to container closures
- B65D2251/0003—Two or more closures
- B65D2251/0068—Lower closure
- B65D2251/0093—Membrane
Definitions
- the invention relates to a method for sealing containers made of glass or the like and sealing discs adhering to the mouth of the container opening.
- the invention has for its object a new method for uncomplicated Sealing containers made of glass or the like without exposure to heat on the sealing washer to seal and a new one on the mouth of the To create an easily recyclable sealing disc that adheres to the container opening.
- This The object is achieved by the invention characterized in the claims. Developments of the invention are described in the subclaims.
- Pressure activatable means that the glue in the normal state without action a force on it does not act as an adhesive. Its adhesive or adhesive effect the adhesive unfolds only through the action of a predeterminable force. It is advantageous for the method according to the invention and the sealing washer Glue used, which is already due to when attaching the closure pressure exerted on the container against the container mouth its adhesive effect unfolded.
- the activated adhesive is cured by storage. After about 24 The adhesive has been applied for hours.
- Polystyrene is preferably used as the foamed plastic.
- a material that cannot be connected with the adhesive is used for the carrier tape. It can also be coated with such a material. Thereby Prevents the adhesive from being sealed with a sealing washer before it is attached with an adhesive closure on the container on the carrier tape still stick or even stick inside the production machines can.
- the sealing process can be done in separate steps. For example takes place the production of the coated with the adhesive and with web laminated to the carrier tape in a separate manufacturing process, the pre-punching of the sealing washers in another process.
- the detachment the sealing washers and their insertion in the caps is in one further procedures in the manufacture of the caps made and the activation of the adhesive by closing the container in one final manufacturing process for the product to be filled in the container, for example tablets.
- the punch depth is set to a smaller value than the thickness of the coated one Path corresponds, set.
- the carrier tape is advantageously not stamped, to loosen the sealing washers with the adhesive by deflecting them to enable the carrier tape.
- the tape is so one Small diameter roller deflected that the sealing washers from the Lift off the carrier tape on one side due to its stiffness.
- the sealing disc for closing the container consists of a foamed one Plastic such as polystyrene with a pressure-activated adhesive is coated. So that the sealing disc used in the closure is in this Closure holds, it has noses or the like, which are in the closure jam in which they are used. The noses or the like hold the pre-punched discs in the web advantageous and prevent their premature falling out of the web before detachment.
- a closure for the closure of containers as it is part of the recycling industry e.g.
- the drug manufacturer that is supplied already contains one used sealing washer on the side facing the container is coated with a pressure-activatable adhesive.
- the sealing washers are related their shape and dimensions to the closures, especially when Customizable punching process.
- FIG. 1 the sequence of a method for producing sealing or sealing washers 1 for the tight closure of the openings 2 of containers 3 is shown in principle.
- a web 4 made of foamed plastic such as polystyrene is coated with an adhesive 5, which in the normal state does not have an adhesive effect, but activates its adhesive function under pressure.
- the web 4 with the adhesive layer 5 is preferably prefabricated by a special manufacturer and delivered in roll form, but can also be produced in the manner shown in a common manufacturing process.
- the web 4 is laminated on the side coated with the adhesive 5 with a carrier tape 6, on the surface of which the adhesive cannot stick even when pressure is applied.
- the carrier tape preferably consists of Teflon polyethylene film, ie a plastic carrier coated with a non-stick layer, a material on which the web 4 with the adhesive layer 5 only adheres. This path 4,5,6 can also be prefabricated.
- the web 4 with adhesive layer 5 and carrier tape 6 is made by calender rolls 7 and 8 together to form a punching device 9 with a die 10, anvil or the like transported, which are only symbolically indicated here.
- the punch 9 punches a plurality of essentially circular sealing washers in each case transversely to the path 4 1 off.
- the punching depth is chosen so that the punching surface of the carrier tape 6 is not reached.
- the one after the die cut is still on the surface of the carrier tape adhering sealing washers 1 essentially exist from the punched-out foam 41 with the adhesive coating 51.
- the thus pre-punched web 4,5,6 is fed to a deflection roller 11, which Conveyor belt 6 with the adhering web 4 and the coating 5 one supplies winding device, not shown.
- the screw cap 14 reaches the opening 2 of the container 3 and is screwed onto the opening 2, pressed or the like that the sealing washer 1 lies on the opening 2. It covers the edge 21 the opening.
- the adhesive of layer 5 is activated and glues the sealing washer 1 firmly on the edge 21. Since the sealing washer 1 is not in the remaining area is activated, the tablets contained in the container 3 or the like not glued.
- Figure 2 shows a plan view of a section of a web 4 with the pre-punched sealing washers 1 with and without lugs.
- Many such sealing washers 1 can be provided side by side.
- a corresponding number of stamps 12 are then arranged next to one another and can thus equip a number of screw closures 14 at the same time.
- the surface and thickness dimensions of the sealing washers can also be different, depending on the punch selected.
- FIG. 3 shows a sealing washer 1 which has 14 lugs 15 for secure mounting in the screw closure.
- the lugs 15 also prevent the sealing disk 1 from falling out of the web 4 before reaching the deflection roller 11, since the alternating friction of the outer contour of the sealing disk lugs on the surrounding contour of the web 4 results in increased adhesion.
- FIG. 4 shows a perspective view of the inside of the screw closure 14 with the sealing washer 1 inserted.
- the sealing washer 1 can be pushed in as far as the closure bottom.
- the lugs 15 of the sealing washer then hold onto the internal thread of the screw closure 14.
- Figure 5 shows a section through a container 3 with sealing washer 1 and screw cap 14. Only the peripheral edge of the sealing washer sticks firmly to the container mouth. When the container is opened for the first time, one layer of the sealing disc therefore remains in the closure, whereas the other layer, firmly bonded to the container mouth, remains on the container and seals its opening. The contents of the container can therefore only be removed after this layer has been destroyed.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zum Abdichten von Behältern aus Glas oder dergleichen und auf der Mündung der Behälteröffnung haftende Dichtscheiben.The invention relates to a method for sealing containers made of glass or the like and sealing discs adhering to the mouth of the container opening.
Es ist bekannt, Behälter aus Glas oder dergleichen mit Produkten zu füllen und anschließend dicht zu verschließen. Eine bekannte Möglichkeit ist das Verschließen solcher Behälter mit sogenannten Heißklebefolien. Bei solchen Heißklebefolien wird erst die Behälteröffnung mit der Heißklebefolie verschlossen und danach erst der eigentliche Verschluß aufgebracht, z.B. aufgeschraubt-s.h. EP-A-0 292 356. Oder die Dichtscheibe wird in den Verschluß eingefügt und dieser auf dem Behälter aufgebracht. Anschließend wird die Versiegelung durch Hitze vorgenommen. Beim Lösen des Verschlusses bleibt dann die Abdichtung durch die Heißklebefolie erhalten.It is known to fill containers made of glass or the like with products and then close tightly. A well-known option is to close it such containers with so-called hot-melt films. With such hot-melt films the container opening is first closed with the hot-melt film and only then the actual closure is applied, e.g. screwed-s.h. EP-A-0 292 356. Or the sealing washer is inserted into the closure and this on the container upset. Then the sealing is done by heat. When the closure is released, the seal remains with the hot-melt film receive.
Der Erfindung liegt die Aufgabe zugrunde, ein neues Verfahren zum unkomplizierten Abdichten von Behältern aus Glas oder dergleichen ohne Hitzeeinwirkung auf die Dichtscheibe zum Versiegeln und eine neue, auf der Mündung der Behälteröffnung haftende, leicht recyclebare Dichtscheibe zu schaffen. Diese Aufgabe wird durch die in den Ansprüchen gekennzeichnete Erfindung gelöst. Weiterbildungen der Erfindung werden in den Unteransprüchen beschrieben.The invention has for its object a new method for uncomplicated Sealing containers made of glass or the like without exposure to heat on the sealing washer to seal and a new one on the mouth of the To create an easily recyclable sealing disc that adheres to the container opening. This The object is achieved by the invention characterized in the claims. Developments of the invention are described in the subclaims.
Dadurch wird eine Dichtscheibe geschaffen, die leicht herstellbar und in Verschlüsse einsetzbar ist und beim üblichen Verschließen des Behälters mit einem Verschluß, insbesondere einem Schraubverschluß, in einem Arbeitsgang mit der Mündung der Öffnung des Behälters verklebt wird. Durch die Wahl des Schaumstoffs wird beim ersten Öffnen des Schraubverschlusses des Behälters die Dichtscheibe selbst zerstört. Es ist also nicht möglich, unbemerkt den Behälter zu öffnen, die Dichtung zu lösen und den Inhalt zu entnehmen oder mit unerwünschtem Inhalt zu ergänzen oder zu ersetzen. Aufgrund der Verwendung eines druckaktivierbaren Klebers anstelle der bekannten hitzeaktivierbaren Kleber wird auf sonst notwendige Metallfolien oder thermoplastische Schichten verzichtet. Die Dichtscheiben sind durch die Verwendung im wesentlichen nur eines Materials leicht recyclebar.This creates a sealing washer that is easy to manufacture and in closures can be used and with the usual closing of the container with a Closure, in particular a screw closure, in one operation with the Mouth of the opening of the container is glued. By choosing the Foam is the first time you open the screw cap of the container the sealing washer itself destroyed. So it is not possible to unnoticed the container to open, loosen the seal and remove the contents or with unwanted Supplement or replace content. Because of the use a pressure-activated adhesive instead of the known heat-activated adhesive is used on otherwise necessary metal foils or thermoplastic layers waived. The sealing washers are essentially only by use of a material easily recyclable.
Im Prinzip besteht das Verfahren gemäß der Erfindung darin, daß
- die Dichtscheiben Teil einer mit einem druckaktivierbaren, auf der Mündung der Behälteröffnung haftenden Kleber beschichteten Bahn aus einem geschäumten Kunststoff sind,
- die Bahn auf der mit dem Kleber beschichteten Seite mit einem nichtklebenden, von der Kleberschicht lösbaren Trägerband kaschiert wird,
- die Dichtscheiben von der dem Trägerband abgewandten Seite der Bahn aus vorgestanzt werden,
- die Stanztiefe kleiner ist als die Dicke der beschichteten Bahn,
- die kaschierte, vorgestanzte Bahn in Bogen- oder Rollenform transportiert wird,
- die Dichtscheiben aus der Bahn und von dem Trägerband durch Umlenken des Bandes einseitig gelöst werden,
- die steifen, sich einseitig lösenden Dichtscheiben von einem oder mehreren Stempeln erfaßt werden,
- eine jeweilige Dichtscheibe mit der dem Kleber abgewandten Seite voran in einen Verschluß auf den Verschlußboden eingesetzt wird,
- der Verschluß auf die Behälteröffnung so aufgesetzt wird, daß die Dichtscheibe mit der Kleberschicht voran gegen die Behälteröffnung gedrückt und der Kleber im Bereich der Öffnungsmündung aktiviert wird,
- der Kleber ohne Einwirkung von Hitze ausgehärtet wird.
- the sealing washers are part of a sheet of a foamed plastic coated with a pressure-activatable adhesive that adheres to the mouth of the container opening,
- the web is laminated on the side coated with the adhesive with a non-adhesive carrier tape that can be detached from the adhesive layer,
- the sealing washers are pre-punched from the side of the web facing away from the carrier tape,
- the punch depth is smaller than the thickness of the coated web,
- the laminated, pre-punched sheet is transported in sheet or roll form,
- the sealing washers are released from the web and from the carrier tape by deflecting the tape on one side,
- the stiff, one-sided sealing washers are gripped by one or more stamps,
- a respective sealing washer is inserted with the side facing away from the adhesive into a closure on the closure bottom,
- the closure is placed on the container opening in such a way that the sealing disc with the adhesive layer is pressed against the container opening and the adhesive is activated in the area of the opening,
- the adhesive is cured without exposure to heat.
Druckaktivierbar bedeutet, daß der Kleber im normalen Zustand ohne Einwirken einer Kraft auf diesen nicht als Kleber wirkt. Seine klebende oder haftende Wirkung entfaltet der Kleber erst durch Einwirken einer vorbestimmbaren Kraft. Vorteilhaft wird für das erfindungsgemäße Verfahren und die Dichtscheibe ein Kleber verwendet, der bereits durch den beim Auffügen des Verschlusses auf den Behälter gegen die Behältermündung ausgeübten Druck seine Haftwirkung entfaltet. Pressure activatable means that the glue in the normal state without action a force on it does not act as an adhesive. Its adhesive or adhesive effect the adhesive unfolds only through the action of a predeterminable force. It is advantageous for the method according to the invention and the sealing washer Glue used, which is already due to when attaching the closure pressure exerted on the container against the container mouth its adhesive effect unfolded.
Die Aushärtung des aktivierten Klebers erfolgt durch Lagerung. Nach etwa 24 Stunden ist die Klebung erfolgt.The activated adhesive is cured by storage. After about 24 The adhesive has been applied for hours.
Als geschäumter Kunststoff wird vorzugsweise Polystyrol verwendet.Polystyrene is preferably used as the foamed plastic.
Für das Trägerband wird ein nicht mit dem Kleber verbindbares Material verwendet. Es kann auch mit einem solchen Material beschichtet sein. Dadurch wird verhindert, daß der Kleber bereits vor dem Auffügen des mit einer Dichtscheibe mit Kleber versehenen Verschlusses auf den Behälter an dem Trägerband noch innerhalb der Produktionsmaschinen anhaften oder sogar kleben kann.A material that cannot be connected with the adhesive is used for the carrier tape. It can also be coated with such a material. Thereby Prevents the adhesive from being sealed with a sealing washer before it is attached with an adhesive closure on the container on the carrier tape still stick or even stick inside the production machines can.
Das Verfahren zum Abdichten kann in gesonderten Schritten erfolgen. Beispielsweise erfolgt die Herstellung der mit dem Kleber beschichteten und mit dem Trägerband kaschierten Bahn in einem gesonderten Herstellungsverfahren, die Vorstanzung der Dichtscheiben in einem anderen Verfahren. Die Ablösung der Dichtscheiben und ihre Einfügung in die Verschlußkappen wird in einem weiteren Verfahren bei der Herstellung der Verschlußkappen vorgenommen und die Aktivierung des Klebers durch Verschließung der Behälter in einem abschließenden Herstellungsverfahren für das im Behälter einzufüllende Produkt, beispielsweise Tabletten.The sealing process can be done in separate steps. For example takes place the production of the coated with the adhesive and with web laminated to the carrier tape in a separate manufacturing process, the pre-punching of the sealing washers in another process. The detachment the sealing washers and their insertion in the caps is in one further procedures in the manufacture of the caps made and the activation of the adhesive by closing the container in one final manufacturing process for the product to be filled in the container, for example tablets.
Die Stanztiefe wird auf einen kleineren Wert als der Dicke der beschichteten Bahn entspricht, eingestellt. Das Trägerband wird vorteilhaft nicht mitgestanzt, um das Lösen der Dichtscheiben mit dem Kleber von diesem durch Umlenken des Trägerbandes zu ermöglichen.The punch depth is set to a smaller value than the thickness of the coated one Path corresponds, set. The carrier tape is advantageously not stamped, to loosen the sealing washers with the adhesive by deflecting them to enable the carrier tape.
Zum Ablösen der Dichtscheiben von dem Trägerband wird das Band so um eine Rolle kleinen Durchmessers umgelenkt, daß sich die Dichtscheiben von dem Trägerband infolge ihrer Steifheit einseitig abheben.To remove the sealing washers from the carrier tape, the tape is so one Small diameter roller deflected that the sealing washers from the Lift off the carrier tape on one side due to its stiffness.
Die Dichtscheibe für die Verschließung der Behälter besteht aus einem geschäumten Kunststoff wie Polystyrol, der mit einem druckaktivierbaren Kleber beschichtet ist. Damit die in den Verschluß eingesetzte Dichtscheibe sich in diesem Verschluß hält, weist sie Nasen oder dergleichen auf, die sich in dem Verschluß verklemmen, in den sie eingesetzt werden. Die Nasen oder dergleichen halten die vorgestanzten Scheiben vorteilhaft in der Bahn fest und verhindem deren vorzeitiges Herausfallen aus der Bahn vor dem Ablösen.The sealing disc for closing the container consists of a foamed one Plastic such as polystyrene with a pressure-activated adhesive is coated. So that the sealing disc used in the closure is in this Closure holds, it has noses or the like, which are in the closure jam in which they are used. The noses or the like hold the pre-punched discs in the web advantageous and prevent their premature falling out of the web before detachment.
Ein Verschluß für die Verschließung von Behältern, wie er als Bauteil an die verwertende Industrie, z.B. Arzneimittelhersteller, geliefert wird, enthält eine bereits eingesetzte Dichtscheibe, die auf der dem Behälter zugewandten Seite mit einem druckaktivierbaren Kleber beschichtet ist. Die Dichtscheiben sind bezüglich ihrer Form und ihrer Abmessungen an die Verschlüsse, insbesondere beim Stanzvorgang anpaßbar. A closure for the closure of containers as it is part of the recycling industry, e.g. The drug manufacturer that is supplied already contains one used sealing washer on the side facing the container is coated with a pressure-activatable adhesive. The sealing washers are related their shape and dimensions to the closures, especially when Customizable punching process.
Zur näheren Erläuterung der Erfindung wird im folgenden ein Ausführungsbeispiel der Erfindung anhand der Zeichnungen beispielsweise beschrieben.In the following, an embodiment will be used to explain the invention in more detail the invention described with reference to the drawings, for example.
Diese zeigen in
Figur 1- den Verfahrensablauf in einer Weise, als würden alle Schritte ohne Unterbrechung an einer Stelle durchgeführt,
Figur 2- eine Draufsicht auf eine Bahn mit Dichtscheiben,
Figur 3- eine Dichtscheibe mit Nasen,
Figur 4- einen Verschluß mit eingesetzter Dichtscheibe und
Figur 5- einen Behälter mit Verschluß und Dichtscheibe im Schnitt.
- Figure 1
- the procedure in a way as if all steps were carried out without interruption in one place,
- Figure 2
- a plan view of a sheet with sealing washers,
- Figure 3
- a sealing washer with lugs,
- Figure 4
- a closure with an inserted sealing washer and
- Figure 5
- a container with closure and sealing washer on average.
In Figur 1 ist in Prinzipdarstellung der Ablauf eines Verfahrens zur Herstellung
von Dichtungs- oder Dichtscheiben 1 für den dichten Abschluß der Öffnungen 2
von Behältern 3 abgebildet. Eine Bahn 4 aus geschäumtem Kunststoff wie Polystyrol
wird mit einem Kleber 5 beschichtet, der in normalem Zustand nicht klebend
wirkt, aber unter Druck seine Klebefunktion aktiviert. Die Bahn 4 mit der
Kleberschicht 5 wird vorzugsweise von einem Spezialhersteller vorgefertigt und
in Rollenform angeliefert, kann aber auch in der dargestellten Weise in einem
gemeinsamen Fertigungsverfahren hergestellt werden. Die Bahn 4 wird auf der
mit dem Kleber 5 beschichteten Seite mit einem Trägerband 6 kaschiert, auf
dessen Oberfläche der Kleber selbst bei Druckausübung nicht kleben kann. Das
Trägerband besteht vorzugsweise aus teflonischer Polyethylenfolie, also einem
mit Antihaftschicht beschichteten Kunststoffträger, einem Material, auf dem die
Bahn 4 mit der Kleberschicht 5 nur haftet. Auch diese Bahn 4,5,6 kann vorgefertigt
sein.In Figure 1 , the sequence of a method for producing sealing or sealing
Die Bahn 4 mit Kleberschicht 5 und Trägerband 6 wird durch Kalander -Rollen 7
und 8 gemeinsam zu einer Stanzvorrichtung 9 mit Matrize 10, Amboß oder dergleichen
transportiert, die hier nur symbolisch angedeutet sind. Die Stanze 9
stanzt jeweils quer zur Bahn 4 mehrere im wesentlichen kreisförmige Dichtscheiben
1 aus. Die Stanztiefe ist so gewählt, daß die Stanzung die Oberfläche
des Trägerbandes 6 nicht erreicht. Die nach der Stanzung noch an der Oberfläche
des Trägerbandes haftenden Dichtscheiben 1 bestehen also im wesentlichen
aus dem ausgestanzten Schaumstoff 41 mit der Kleberbeschichtung 51.
Die so vorgestanzte Bahn 4,5,6 wird einer Umlenkrolle 11 zugeführt, die das
Transportband 6 mit der daran haftenden Bahn 4 und der Beschichtung 5 einer
nicht dargestellten Aufwickeleinrichtung zuführt. Es ist möglich, vor dem Aufwickeln,
das Transportband und die daran haftende Bahn 4 zu trennen und getrennt
einem Recycling-Vorgang zuzuführen. Wegen des kleinen Durchmessers
der Umlenkrolle 11 folgen zwar die Bahn 4 und das Trägerband dem vorgeschriebenen
Weg, doch heben sich die Dichtscheiben 1 wegen der Steifheit
ihres Materials von der Oberfläche des Trägerbandes 4 ab und können so von
einem angedeuteten Stempel 12 erfaßt und in die Öffnung 13 des Schraubverschlusses
14 für den Behälter 3 eingeführt werden. Der Stempel ergreift die
jeweilige Dichtscheibe von der Kleberseite aus. Er ist vorteilhaft mit einem Material
beschichtet, das zwar an dem Kleber haften, nicht jedoch mit ihm verkleben
kann. Bei der Materialwahl für die Dichtscheibe ist ein gewisses Maß an
Steifheit vorteilhaft, um den beschriebenen Effekt des einseitigen Ablösens der
Dichtscheiben aus der Bahn zu zeigen. Der Durchmesser der Umlenkrolle 11
sollte dabei berücksichtigt werden. Die Abmessungen der Stempel 12 sind vorteilhaft
an die Flächenabmessungen der Dichtscheiben anpaßbar oder angepaßt.The
Im nächsten Arbeitsgang gelangt der Schraubverschluß 14 vor die Öffnung 2
des Behälters 3 und wird so auf die Öffnung 2 geschraubt, gedrückt o.ä., daß
sich die Dichtscheibe 1 auf die Öffnung 2 legt. Sie bedeckt dabei den Rand 21
der Öffnung. Durch den beim Verschließen des Behälters 3 auf den Rand 21
ausgeübten Druck wird der Kleber der Schicht 5 aktiviert und klebt die Dichtscheibe
1 fest auf den Rand 21. Da die Dichtscheibe 1 im übrigen Bereich nicht
aktiviert wird, werden die im Behälter 3 enthaltenden Tabletten oder dergleichen
nicht verklebt.In the next step, the
Figur 2 zeigt eine Draufsicht auf einen Ausschnitt einer Bahn 4 mit den vorgestanzten
Dichtscheiben 1 mit und ohne Nasen. Es können viele solcher Dichtscheiben
1 nebeneinander vorgesehen werden. Für diesen Fall sind dann auch
entsprechend viele Stempel 12 nebeneinander angeordnet und können so
gleichzeitig etliche Schraubverschlüsse 14 bestücken. Die Flächen- und Dikkenabmessungen
der Dichtscheiben können auch unterschiedlich sein, abhängig
von der gewählten Stanze. Figure 2 shows a plan view of a section of a
In Figur 3 ist eine Dichtscheibe 1 dargestellt, die zur sicheren Halterung im
Schraubverschluß 14 Nasen 15 aufweist. Durch die Nasen 15 wird darüber hinaus
auch ein vorzeitiges Herausfallen der Dichtscheibe 1 aus der Bahn 4 vor
Erreichen der Umlenkrolle 11 verhindert, da durch die wechselweise Reibung
der Außenkontur der Dichtscheibennasen an der Umgebungskontur der Bahn 4
eine verstärkte Haftung entsteht. FIG. 3 shows a sealing
Figur 4 zeigt eine perspektivische Ansicht der Innenseite des Schraubverschlusses
14 mit eingesetzter Dichtscheibe 1. Die Dichtscheibe 1 kann bis an
den Verschlußboden eingeschoben werden. Die Nasen 15 der Dichtscheibe
halten sich dann an dem Innengewinde des Schraubverschlusses 14 fest. FIG. 4 shows a perspective view of the inside of the
Figur 5 zeigt einen Schnitt durch einen Behälter 3 mit Dichtscheibe 1 und
Schraubverschluß 14. Es klebt nur der umlaufende Rand der Dichtscheibe fest
auf der Behältermündung. Beim erstmaligen Öffnen des Behälters verbleibt daher
eine Schicht der Dichtscheibe im Verschluß, wohingegen die andere, mit der
Behältermündung festverklebte Schicht auf dem Behälter verbleibt und dessen
Öffnung versiegelt. Eine Entnahme des Behälterinhaltes ist daher nur nach
Zerstören dieser Schicht möglich. Figure 5 shows a section through a
Claims (6)
- A method of sealing containers made of glass or the like with sealing discs which are pre-punched from a web and inserted in a closure at the bottom of the closure, wherein the pre-punched web is conveyed,
characterised in thatthe sealing discs (1) are part of a web (4) made of a foamed plastic and coated with a pressure-activatable adhesive (5) which clings to the mouth of the container opening,that the side of the web (4) coated with the adhesive (5) is laminated to a non-adhesive supporting strip (6) which is detachable from the adhesive layer,that the sealing discs (1) are pre-punched from the side of the web (4) remote from the supporting strip (6),that the punching depth is less than the thickness of the coated web (4),that the laminated pre-punched web is conveyed in curved or rolled form,that the sealing discs (1) are detached at one side from the web (4) and from the supporting strip (6) by changing the direction of the strip (6),that the stiff sealing discs (1) which are detached at one side are picked up by one or more plungers (12),that each particular sealing disc (1) is inserted in a closure (14), to the bottom of the closure, with the side remote from the adhesive (5) foremost,that the closure (14) is placed on the container opening in such a way that the sealing disc (1) is pressed against the container opening (2) with the adhesive layer foremost and the adhesive (5) is pressure-activated in the region of the mouth of the opening, andthat the adhesive (5) is cured without any heating action. - A method according to claim 1 or 2,
characterised in thatthe foamed plastic comprises polystyrene. - A method according to claim 1 or 2,
characterised in thatthe method is carried out is separate steps, namelythat production of the web (4) coated with the adhesive (5) and laminated to the supporting strip (6) takes place in one manufacturing process,pre-punching of the sealing discs (1) in another process,detaching of the sealing discs (1) and their insertion in the closure caps (14) in a further process, andactivation of the adhesive (5) by closing the containers (3) takes place in an ensuing manufacturing process for the product. - A sealing disc for closing containers,
characterised in thatit is made of a foamed plastic coated with a pressure-activatable adhesive (5). - A sealing disc according to claim 4,
characterised in thatit has tabs (15) or the like which jam in the closure (14) in which they are inserted. - A closure for the closing of containers with a sealing disc according to claim 4 or 5,
characterised in thatthe sealing disc is coated with a pressure-activatable adhesive (5) at the side towards the container (3).
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97118727A EP0826599A3 (en) | 1994-05-09 | 1995-05-09 | Punch |
EP97118724A EP0826598A3 (en) | 1994-05-09 | 1995-05-09 | Detaching roller |
SI9530199T SI0706473T1 (en) | 1994-05-09 | 1995-05-09 | Process for sealing containers made of glass or the like and sealing disks which adhere to the mouth of such a container |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4416385 | 1994-05-09 | ||
DE4416385 | 1994-05-09 | ||
DE4417345A DE4417345C2 (en) | 1994-05-09 | 1994-05-18 | Method for sealing containers made of glass or the like and sealing washers adhering to the mouth of the container opening |
DE4417345 | 1994-05-18 | ||
PCT/EP1995/001745 WO1995030576A1 (en) | 1994-05-09 | 1995-05-09 | Process for sealing containers made of glass or the like and sealing disks which adhere to the mouth of such a container |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97118724A Division EP0826598A3 (en) | 1994-05-09 | 1995-05-09 | Detaching roller |
EP97118727A Division EP0826599A3 (en) | 1994-05-09 | 1995-05-09 | Punch |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0706473A1 EP0706473A1 (en) | 1996-04-17 |
EP0706473B1 true EP0706473B1 (en) | 1999-08-04 |
Family
ID=25936451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95921736A Expired - Lifetime EP0706473B1 (en) | 1994-05-09 | 1995-05-09 | Process for sealing containers made of glass or the like and sealing disks which adhere to the mouth of such a container |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0706473B1 (en) |
AT (1) | ATE182852T1 (en) |
DK (1) | DK0706473T3 (en) |
ES (1) | ES2135070T3 (en) |
GR (1) | GR3031274T3 (en) |
WO (1) | WO1995030576A1 (en) |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8201385B2 (en) | 2007-08-24 | 2012-06-19 | Selig Sealing Products, Inc. | Multi-purpose covering and method of hygienically covering a container top |
US8522990B2 (en) | 2007-03-23 | 2013-09-03 | Selig Sealing Products, Inc. | Container seal with removal tab and holographic security ring seal |
US8703265B2 (en) | 2007-03-23 | 2014-04-22 | Selig Sealing Products, Inc. | Container seal with removal tab and piercable holographic security seal |
US8746484B2 (en) | 2011-06-24 | 2014-06-10 | Selig Sealing Products, Inc. | Sealing member with removable portion for exposing and forming a dispensing feature |
US9028963B2 (en) | 2012-09-05 | 2015-05-12 | Selig Sealing Products, Inc. | Tamper evident tabbed sealing member having a foamed polymer layer |
US9102438B2 (en) | 2005-01-06 | 2015-08-11 | Selig Sealing Products, Inc. | Tabbed sealing member with improved heat distribution for a container |
US9193513B2 (en) | 2012-09-05 | 2015-11-24 | Selig Sealing Products, Inc. | Tabbed inner seal |
US9221579B2 (en) | 2013-03-15 | 2015-12-29 | Selig Sealing Products, Inc. | Inner seal with a sub tab layer |
US9440768B2 (en) | 2013-03-15 | 2016-09-13 | Selig Sealing Products, Inc. | Inner seal with an overlapping partial tab layer |
US9533805B2 (en) | 2005-04-15 | 2017-01-03 | Selig Sealing Products, Inc. | Seal stock laminate |
US9624008B2 (en) | 2007-03-23 | 2017-04-18 | Selig Sealing Products, Inc. | Container seal with removal tab and security ring seal |
US9834339B2 (en) | 2011-03-28 | 2017-12-05 | Selig Sealing Products, Inc. | Laminate structure to stabilize a dimensionally unstable layer |
US10259626B2 (en) | 2012-03-08 | 2019-04-16 | Selig Sealing Products, Inc. | Container sealing member with protected security component and removal tab |
US10556732B2 (en) | 2015-03-03 | 2020-02-11 | Selig Sealing Products, Inc. | Tabbed seal concepts |
US10604315B2 (en) | 2014-02-05 | 2020-03-31 | Selig Sealing Products, Inc. | Dual aluminum tamper indicating tabbed sealing member |
US10899506B2 (en) | 2016-10-28 | 2021-01-26 | Selig Sealing Products, Inc. | Single aluminum tamper indicating tabbed sealing member |
US10934069B2 (en) | 2016-10-28 | 2021-03-02 | Selig Sealing Products, Inc. | Sealing member for use with fat containing compositions |
US11254481B2 (en) | 2018-09-11 | 2022-02-22 | Selig Sealing Products, Inc. | Enhancements for tabbed seal |
US11708198B2 (en) | 2018-07-09 | 2023-07-25 | Selig Sealing Products, Inc. | Grip enhancements for tabbed seal |
US11866242B2 (en) | 2016-10-31 | 2024-01-09 | Selig Sealing Products, Inc. | Tabbed inner seal |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8057896B2 (en) | 2005-01-06 | 2011-11-15 | Selig Sealing Products, Inc. | Pull-tab sealing member with improved heat distribution for a container |
EP1837288B2 (en) | 2006-03-20 | 2017-05-31 | Selig Sealing Products, Inc. | Vessel closing laminate |
EP1935636B2 (en) | 2006-12-20 | 2016-01-20 | Selig Sealing Products, Inc. | Laminate |
PT2014461E (en) | 2007-06-22 | 2010-01-04 | Selig Sealing Products Inc | A seal for a container |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1341382A (en) * | 1919-12-23 | 1920-05-25 | Hazelatlas Glass Company | Closure for jars and the like |
US3786954A (en) * | 1971-10-18 | 1974-01-22 | Anchor Hocking Corp | Closure cap liner |
DE2404197A1 (en) * | 1974-01-29 | 1975-07-31 | Friedrich Albrecht | Prepared lid placing system on container - uses thin lid held against container edge during securing operation |
DE2850384A1 (en) * | 1978-11-21 | 1980-05-22 | Ammann Siegfried | Glass container or bottle sealing process - uses hot adhesive, with cover then applied to heated container edge to produce tight seal |
FR2615479B1 (en) * | 1987-05-18 | 1989-12-22 | Alsacienne Aluminium | METHOD AND MACHINE FOR CLOSING CONTAINERS, ESPECIALLY JARS AND TRAYS |
-
1995
- 1995-05-09 DK DK95921736T patent/DK0706473T3/en active
- 1995-05-09 ES ES95921736T patent/ES2135070T3/en not_active Expired - Lifetime
- 1995-05-09 EP EP95921736A patent/EP0706473B1/en not_active Expired - Lifetime
- 1995-05-09 WO PCT/EP1995/001745 patent/WO1995030576A1/en active IP Right Grant
- 1995-05-09 AT AT95921736T patent/ATE182852T1/en not_active IP Right Cessation
-
1999
- 1999-09-22 GR GR990402372T patent/GR3031274T3/en unknown
Cited By (35)
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US9815589B2 (en) | 2005-01-06 | 2017-11-14 | Selig Sealing Products, Inc. | Tabbed sealing member with improved heat distribution for a container |
US9102438B2 (en) | 2005-01-06 | 2015-08-11 | Selig Sealing Products, Inc. | Tabbed sealing member with improved heat distribution for a container |
US9533805B2 (en) | 2005-04-15 | 2017-01-03 | Selig Sealing Products, Inc. | Seal stock laminate |
US8522990B2 (en) | 2007-03-23 | 2013-09-03 | Selig Sealing Products, Inc. | Container seal with removal tab and holographic security ring seal |
US8703265B2 (en) | 2007-03-23 | 2014-04-22 | Selig Sealing Products, Inc. | Container seal with removal tab and piercable holographic security seal |
US9624008B2 (en) | 2007-03-23 | 2017-04-18 | Selig Sealing Products, Inc. | Container seal with removal tab and security ring seal |
US8201385B2 (en) | 2007-08-24 | 2012-06-19 | Selig Sealing Products, Inc. | Multi-purpose covering and method of hygienically covering a container top |
US9278506B2 (en) | 2007-08-24 | 2016-03-08 | Selig Sealing Products, Inc. | Non-metallic, tabbed multi-purpose covering for hygienically covering a container top |
US9834339B2 (en) | 2011-03-28 | 2017-12-05 | Selig Sealing Products, Inc. | Laminate structure to stabilize a dimensionally unstable layer |
US8746484B2 (en) | 2011-06-24 | 2014-06-10 | Selig Sealing Products, Inc. | Sealing member with removable portion for exposing and forming a dispensing feature |
US9278793B2 (en) | 2011-06-24 | 2016-03-08 | Selig Sealing Products, Inc. | Sealing member with removable portion for exposing and forming a dispensing feature |
US10259626B2 (en) | 2012-03-08 | 2019-04-16 | Selig Sealing Products, Inc. | Container sealing member with protected security component and removal tab |
US9028963B2 (en) | 2012-09-05 | 2015-05-12 | Selig Sealing Products, Inc. | Tamper evident tabbed sealing member having a foamed polymer layer |
US10196174B2 (en) | 2012-09-05 | 2019-02-05 | Selig Sealing Products, Inc. | Tamper evident tabbed sealing member having a foamed polymer layer |
US10954032B2 (en) | 2012-09-05 | 2021-03-23 | Selig Sealing Products, Inc. | Tamper evident tabbed sealing member having a foamed polymer layer |
US9193513B2 (en) | 2012-09-05 | 2015-11-24 | Selig Sealing Products, Inc. | Tabbed inner seal |
US9227755B2 (en) | 2013-03-15 | 2016-01-05 | Selig Sealing Products, Inc. | Inner seal with a sub tab layer |
US9676513B2 (en) | 2013-03-15 | 2017-06-13 | Selig Sealing Products, Inc. | Inner seal with a sub tab layer |
US9994357B2 (en) | 2013-03-15 | 2018-06-12 | Selig Sealing Products, Inc. | Inner seal with a sub tab layer |
US10000310B2 (en) | 2013-03-15 | 2018-06-19 | Selig Sealing Products, Inc. | Inner seal with an overlapping partial tab layer |
US10150590B2 (en) | 2013-03-15 | 2018-12-11 | Selig Sealing Products, Inc. | Inner seal with a sub tab layer |
US10150589B2 (en) | 2013-03-15 | 2018-12-11 | Selig Sealing Products, Inc. | Inner seal with a sub tab layer |
US9440765B2 (en) | 2013-03-15 | 2016-09-13 | Selig Sealing Products, Inc. | Inner seal with a sub tab layer |
US9440768B2 (en) | 2013-03-15 | 2016-09-13 | Selig Sealing Products, Inc. | Inner seal with an overlapping partial tab layer |
US9221579B2 (en) | 2013-03-15 | 2015-12-29 | Selig Sealing Products, Inc. | Inner seal with a sub tab layer |
US10604315B2 (en) | 2014-02-05 | 2020-03-31 | Selig Sealing Products, Inc. | Dual aluminum tamper indicating tabbed sealing member |
US10556732B2 (en) | 2015-03-03 | 2020-02-11 | Selig Sealing Products, Inc. | Tabbed seal concepts |
US11059644B2 (en) | 2015-03-03 | 2021-07-13 | Selig Sealing Products, Inc. | Tabbed seal concepts |
US10899506B2 (en) | 2016-10-28 | 2021-01-26 | Selig Sealing Products, Inc. | Single aluminum tamper indicating tabbed sealing member |
US10934069B2 (en) | 2016-10-28 | 2021-03-02 | Selig Sealing Products, Inc. | Sealing member for use with fat containing compositions |
US11401080B2 (en) | 2016-10-28 | 2022-08-02 | Selig Sealing Products, Inc. | Single aluminum tamper indicating tabbed sealing member |
US11866242B2 (en) | 2016-10-31 | 2024-01-09 | Selig Sealing Products, Inc. | Tabbed inner seal |
US11708198B2 (en) | 2018-07-09 | 2023-07-25 | Selig Sealing Products, Inc. | Grip enhancements for tabbed seal |
US11724863B2 (en) | 2018-07-09 | 2023-08-15 | Selig Sealing Products, Inc. | Tabbed seal with oversized tab |
US11254481B2 (en) | 2018-09-11 | 2022-02-22 | Selig Sealing Products, Inc. | Enhancements for tabbed seal |
Also Published As
Publication number | Publication date |
---|---|
GR3031274T3 (en) | 1999-12-31 |
DK0706473T3 (en) | 2000-03-06 |
ATE182852T1 (en) | 1999-08-15 |
WO1995030576A1 (en) | 1995-11-16 |
EP0706473A1 (en) | 1996-04-17 |
ES2135070T3 (en) | 1999-10-16 |
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