EP1022226A1 - Stopper made from a foamed thermoplastic material - Google Patents

Stopper made from a foamed thermoplastic material Download PDF

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Publication number
EP1022226A1
EP1022226A1 EP00890002A EP00890002A EP1022226A1 EP 1022226 A1 EP1022226 A1 EP 1022226A1 EP 00890002 A EP00890002 A EP 00890002A EP 00890002 A EP00890002 A EP 00890002A EP 1022226 A1 EP1022226 A1 EP 1022226A1
Authority
EP
European Patent Office
Prior art keywords
plug
heat
cork
pigment
plastic
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
EP00890002A
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German (de)
French (fr)
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EP1022226B1 (en
Inventor
Gerhard Piriwe
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.)
Tampoprint GmbH
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" Pl" Handels GmbH
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Application filed by " Pl" Handels GmbH filed Critical " Pl" Handels GmbH
Priority to SI200030329T priority Critical patent/SI1022226T1/en
Publication of EP1022226A1 publication Critical patent/EP1022226A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D39/00—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
    • 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
    • B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
    • B65D51/245—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes provided with decoration, information or contents indicating devices, labels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/92—Cellular product containing a dye or pigment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249954—With chemically effective material or specified gas other than air, N, or carbon dioxide in void-containing component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249986—Void-containing component contains also a solid fiber or solid particle

Definitions

  • the invention relates to a plug made of foamed thermoplastic plastic for closing liquid Bottles containing food, luxury foods or beverages. It also relates to a method for attaching a Cork brandy on the graft.
  • cork fire especially in Connection with wine is a common term for one to be placed on a stopper made of cork Identification of the origin and / or the year is in the following this term also for the analog lettering used by plastic stoppers.
  • cork produced is of course very sustainable on the quality, for example, of bottled and in this stored wine. If the porosity is too large the cork, the wine can take on a cork taste or even become cloudy and break. This represents one great disadvantage when using cork stoppers for closing of bottles. Also made from natural cork Corks are expensive and have always been so recently more.
  • a branding iron used, by means of which the desired lettering and / or the image is burned into the cork stopper becomes.
  • the invention is based on the object of a plug for bottles of the type mentioned at the beginning, not with the disadvantages of made from natural cork Cork is tainted, but a constant one has high quality, which ensures that no constituents of the grafting into the liquid life or migrate stimulants or drinks and so on is to be provided with a durable cork brand.
  • the stopper provided with a cork fire should be economically inexpensive to manufacture.
  • the plastic is a food-safe or food-safe, inorganic, discoloring under the influence of heat Pigment is added.
  • the pigments are natural known per se or synthetic mineral pigments, stone powder, metal oxides, hydroxides, oxide hydrates and / or mixtures of this.
  • pigments that can be used Mica, titanium oxides, e.g. Titanium dioxide, or iron oxides, e.g. Iron (III) oxide can be called.
  • the grafting is also thereby characterized in that the proportion of the heat discoloring pigment 0.01 to 50 wt .-% and preferably 0.5 to 10% by weight, in particular 1 to 3% by weight on the total weight of the plug.
  • the pigment content to be used depends essentially on the Type of pigment selected and the desired color intensity of cork burn and can therefore be in relative wide limits fluctuate. If it is the one to be used Pigment is one that when exposed to heat high color intensity developed is also an addition of very small amounts of pigment based on the total weight possible, with a lower limit for a pigment addition of 0.01% by weight may already be sufficient.
  • the additional amount pigment also depends on the type of graft selected plastic or the plastic mixture, since in in many cases, the plastic's color intensity and contrast effect of the color-activated pignment.
  • the grafting is also thereby characterized in that the plastic is food-safe or suitable Polyolefins, preferably polyethylenes, Rubbers, silicones, polyurethanes and / or mixtures includes this.
  • the plastic is food-safe or suitable Polyolefins, preferably polyethylenes, Rubbers, silicones, polyurethanes and / or mixtures includes this.
  • Plastic is next to its necessary Food safety or suitability that this after its processing into a graft a total of one maintains certain elastic deformability.
  • the invention also relates to a method of attachment a cork fire on a plug according to the invention, the characterized in that the plug in a predetermined Patterns of areas corresponding to cork fire Color activation of the pigment exposed to heat becomes.
  • the heat is applied by means of laser or Plasma jet or by means of a heated clichĂ©, over which the plug is passed.
  • a plastic granulate or a mixture of Plastic granules, preferably a mixture of different ones PE granules are in a reactor vessel with a Fine-porosity-ensuring, food-safe or suitable Foaming agent, preferably in powder or Granulate form, heated to 220 to 260 ° C, with an inorganic Pigment that can be color activated by subsequent exposure to heat is mixed, intimately mixed and then one Injection molding machine fed.
  • the liquid plastic mixture is then under using the injection molding machine Pressure pressed into a mold to make a plug.
  • the plastic mass pressed into the mold cools to the Walls of the mold, leaving a non-porous skin forms, which encloses a finely porous inner mass. After appropriate cooling in the mold the finished plastic plug ejected.
  • the plastic used to make the graft can also by adding color pigments or by Masterbatch with which the coloring is carried out with be provided with a basic color, where then must ensure that what is to be added, by later Exposure to heat color-activable pigment one to a corresponding one Contrast color to discolor the basic coloring Pigment is.
  • the finished plastic plug can then be on its outer skin as indicated above by means of laser or plasma beams or mechanically using heated clichĂ©s be provided with a durable cork brand. It is under the heat in the plastic of the plug evenly distributed inorganic pigment in one predetermined pattern of areas corresponding to cork fire color activated. These thermosensitive, color-activated Pigments become the carrier of the cork fire pattern indelible and durable on the outer skin of the plug is appropriate.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

Thermoplastic foam stoppers for bottles containing food, luxury goods or drinks, in which the plastic contains an added inorganic pigment which is resistant to foods or approved for use with food and which changes color under the action of heat. An Independent claim is also included for a method for applying a cork brand to stoppers as described, by exposing the stopper to heat in areas corresponding to a given brand pattern so as to activate the pigment color change in these areas.

Description

Die Erfindung betrifft einen Pfropfen aus geschäumtem thermoplastischem Kunststoff zum Verschließen von flüssige Lebensmittel, Genußmittel oder Getränke enthaltenden Flaschen. Sie betrifft auch ein Verfahren zum Anbringen eines Korkbrands auf dem Pfropfen.The invention relates to a plug made of foamed thermoplastic plastic for closing liquid Bottles containing food, luxury foods or beverages. It also relates to a method for attaching a Cork brandy on the graft.

Nachdem die Bezeichnung "Korkbrand" insbesondere im Zusammenhang mit Wein ein allgemein ĂĽblicher Begriff fĂĽr eine auf einem aus Kork bestehenden Pfropfen anzubringende Kennzeichnung der Herkunft und/oder des Jahrgangs ist, wird in der Folge dieser Begriff auch fĂĽr die analoge Beschriftung von Kunststoffpfropfen verwendet.After the term "cork fire" especially in Connection with wine is a common term for one to be placed on a stopper made of cork Identification of the origin and / or the year is in the following this term also for the analog lettering used by plastic stoppers.

Zum Verschließen von Flaschen, insbesondere von Weinflaschen werden üblicher Weise aus Naturkork hergestellte Korke verwendet. Die Porosität solcher Korke ist allerdings unterschiedlich und oftmals auch bereits innerhalb kleiner Bereiche schwankend. Solche Bereiche höherer Porosität sind überdies bisweilen auch von außen am Kork gar nicht erkennbar.For closing bottles, especially wine bottles are usually made from natural cork Used cork. However, the porosity of such cork is different and often already within smaller Areas fluctuating. Such areas are of higher porosity moreover sometimes not even recognizable from the outside by the cork.

Diese stark schwankende Qualität von aus Naturkork hergestellten Korken wirkt sich natürlich sehr nachhaltig auf die Qualität beispielsweise des in Flaschen abgefüllten und in diesen gelagerten Weines aus. Bei zu großer Porosität des Korks kann der Wein einen Korkgeschmack annehmen oder sogar trüb werden und brechen. Dies stellt einen großen Nachteil bei Verwendung von Korkpfropfen zum Verschließen von Flaschen dar. Zudem sind aus Naturkork hergestellte Korke teuer und werden dies in jüngster Zeit immer mehr.This fluctuating quality from natural cork The cork produced is of course very sustainable on the quality, for example, of bottled and in this stored wine. If the porosity is too large the cork, the wine can take on a cork taste or even become cloudy and break. This represents one great disadvantage when using cork stoppers for closing of bottles. Also made from natural cork Corks are expensive and have always been so recently more.

Zur Anbringung eines Korkbrandes auf einem aus Naturkork hergestellten Korkpfropfens wird ĂĽblicherweise ein Brenneisen verwendet, mittels welchem der gewĂĽnschte Schriftzug und/oder die Bilddarstellung in den Korkpfropfen eingebrannt wird.For attaching a cork fire to a natural cork produced cork plug is usually a branding iron used, by means of which the desired lettering and / or the image is burned into the cork stopper becomes.

Aus Kunststoff bestehende bekannte Flaschenpfropfen werden mit einem Korkbrand bisher in der Weise versehen, daß mit Hilfe einer Stampilie oder eines Klischees ein entsprechender Farbaufdruck aufgebracht wird. Die Haftung eines solchen Farbaufdrucks auf dem Kunststoffmaterial des Pfropfens ist jedoch ziemlich gering und kann in der Regel leicht abgewischt werden. So wird schon beim Verstoppeln einer Flasche und beim Herausziehen des Pfropfens zum Öffnen der Flasche der Korkbrand beschädigt oder zumindest zum Teil unleserlich.Known bottle stoppers made of plastic previously provided with a cork fire in such a way that with With the help of a stamp or a cliché Color print is applied. The liability of one such color printing on the plastic material of the However, grafting is fairly minor and can usually be wiped off easily. That’s how it’s when you’re stopping a bottle and pulling out the stopper to Opening the bottle of cork burn damaged or at least partly illegible.

Der Erfindung liegt die Aufgabe zu Grunde, einen Verschlußpfropfen für Flaschen der eingangs genannten Art zu schaffen, der nicht mit den Nachteilen von aus Naturkork hergestellten Korken behaftet ist, sondern eine gleichbleibende hohe Qualität aufweist, bei dem gewährleistet ist, daß keine Bestandteile des Pfropfens in das flüssige Lebens- oder Genußmittel oder Getränk migrieren können und der auch mit einem haltbar anzubringenden Korkbrand zu versehen ist. Überdies soll dabei der mit einem Korkbrand versehene Verschlußpfropfen wirtschaftlich günstig herzustellen sein.The invention is based on the object of a plug for bottles of the type mentioned at the beginning, not with the disadvantages of made from natural cork Cork is tainted, but a constant one has high quality, which ensures that no constituents of the grafting into the liquid life or migrate stimulants or drinks and so on is to be provided with a durable cork brand. In addition, the stopper provided with a cork fire should be economically inexpensive to manufacture.

Diese Aufgabe wird gemäß der Erfindung dadurch gelöst, daß dem Kunststoff ein lebensmittelechtes bzw. -taugliches, anorganisches, sich unter Wärmeeinwirkung verfärbendes Pigment zugesetzt ist.This object is achieved according to the invention in that the plastic is a food-safe or food-safe, inorganic, discoloring under the influence of heat Pigment is added.

In besonders einfacher und vorteilhafter Weise ist so erfindungsgemäß möglich, beispielsweise mittels vorzugsweise programmgesteuerten Laserstrahls einen Korbrand auf dem Propfen haltbar anzubringen, wobei der Kunststoff an den der Wärmeeinwirkung ausgestezten Stellen schmilzt und das anorganische Pigment beispielsweise unter Reduktion der Oxidation von Metallatomen oder einer Metallverbindung farbaktiviert wird.This is particularly easy and advantageous possible according to the invention, for example preferably by means of program-controlled laser beam on a basket edge the plug to attach durable, with the plastic on the places exposed to heat will melt and the inorganic pigment, for example, with reduction the oxidation of metal atoms or a metal compound is color activated.

Erfindungsgemäß sind die Pigmente an sich bekannte natürliche oder synthetische Mineralpigmente, Steinmehl, Metalloxide, -hydroxide, -oxidhydrate und/oder Mischungen hiervon. Als Beispiele für einsetzbare Pigmente können Glimmer, Titanoxide, z.B. Titandioxid, oder Eisenoxide, z.B. Eisen(III)-oxid genannt werden.According to the invention, the pigments are natural known per se or synthetic mineral pigments, stone powder, metal oxides, hydroxides, oxide hydrates and / or mixtures of this. As examples of pigments that can be used Mica, titanium oxides, e.g. Titanium dioxide, or iron oxides, e.g. Iron (III) oxide can be called.

Der Pfropfen ist gemäß der Erfindung weiters dadurch gekennzeichnet, daß der Anteil des sich unter Wärmeeinwirkung verfärbenden Pigments 0,01 bis 50 Gew.-% und vorzugsweise 0,5 bis 10 Gew.-%, insbesondere 1 bis 3 Gew.-% bezogen auf das Gesamtgewicht des Pfropfens beträgt.According to the invention, the grafting is also thereby characterized in that the proportion of the heat discoloring pigment 0.01 to 50 wt .-% and preferably 0.5 to 10% by weight, in particular 1 to 3% by weight on the total weight of the plug.

Die einzusetzenden Pigmentanteile hängen wesentlich von der Art des gewählten Pigments sowie der gewünschten Farbintensität des Korkbrands ab und können daher in relativ weiten Grenzen schwanken. Wenn es sich bei dem einzusetzenden Pigment um eines handelt, das bei Wärmeeinwirkung eine hohe Farbintensität entwickelt, ist auch ein Zusatz von sehr geringen Pigmentmengen bezogen auf das Gesamtgewicht möglich, wobei eine Untergrenze für einen Pigmentzusatz von 0,01 Gew.- % bereits ausreichend sein kann. Die Zusatzmenge an Pigment hängt aber auch von der Art des für den Pfropfen gewählten Kunststoffs oder der Kunststoffmischung ab, da in vielen Fällen der Kunststoff die Farbintensität und Kontrastwirkung des farbakivierten Pignments begünstigt.The pigment content to be used depends essentially on the Type of pigment selected and the desired color intensity of cork burn and can therefore be in relative wide limits fluctuate. If it is the one to be used Pigment is one that when exposed to heat high color intensity developed is also an addition of very small amounts of pigment based on the total weight possible, with a lower limit for a pigment addition of 0.01% by weight may already be sufficient. The additional amount pigment also depends on the type of graft selected plastic or the plastic mixture, since in in many cases, the plastic's color intensity and contrast effect of the color-activated pignment.

Erfindungsgemäß ist der Pfropfen ferner dadurch gekennzeichnet, daß der Kunststoff lebensmittelechte bzw.-taugliche Polyolefine, vorzugsweise Polyethylene, Kautschuke, Silikone, Polyurethane und/oder Mischungen hiervon umfaßt. According to the invention, the grafting is also thereby characterized in that the plastic is food-safe or suitable Polyolefins, preferably polyethylenes, Rubbers, silicones, polyurethanes and / or mixtures includes this.

Voraussetzung für den für die Herstellung eines erfindungsgemäßen Verschlußpfropfens von Flaschen einzusetzenden Kunststoffs ist neben seiner notwendigen Lebensmittelechtheit bzw. -tauglichkeit, daß dieser nach seiner Verarbeitung zu einem Pfropfen insgesamt eine gewisse elastische Verformbarkeit beibehält.Prerequisite for making a bottle stopper to be used according to the invention Plastic is next to its necessary Food safety or suitability that this after its processing into a graft a total of one maintains certain elastic deformability.

Die Erfindung betrifft auch ein Verfahren zum Anbringen eines Korkbrands auf einem erfindungsgemäßen Pfropfen, das dadurch gekennzeichnet, daß der Pfropfen in einem vorgegebenen Muster eines Korkbrands entsprechenden Bereichen zur Farbaktivierung des Pigments einer Wärmeeinwirkung ausgesetzt wird.The invention also relates to a method of attachment a cork fire on a plug according to the invention, the characterized in that the plug in a predetermined Patterns of areas corresponding to cork fire Color activation of the pigment exposed to heat becomes.

Erfindungsgemäß erfolgt die Wärmeeinwirkung mittels Laser-oder Plasmastrahles oder mittels eines beheizten Klischees, über das der Propfen geführt wird.According to the invention, the heat is applied by means of laser or Plasma jet or by means of a heated cliché, over which the plug is passed.

Auf diese Weise ist es einfach und kostengünstig möglich, einen Kunststoffpropfen haltbar mit einem Korkbrand zu versehen, im Gegesatz zur bisher bekannten Methode, einen Korkbrand mittels eines Farbaufdrucks auf den Kunststoffpfropfen aufzubringen.In this way it is easy and inexpensive to a plastic plug with a cork fire provided, in contrast to the previously known method, a Cork fire with a color print on the plastic plug to apply.

Der erfindungsgemäße Pfropfen wird nachfolgend an Hand eines Herstellungsverfahrens näher erläutert.The grafting according to the invention is described below of a manufacturing process explained in more detail.

Ein Kunststoffgranulat oder eine Mischung von Kunststoffgranulaten, vorzugssweise eine Mischung verschiedener PE-Granulate, werden in einem Reaktorgefäß mit einem Feinporigkeit gewährleistenden, lebensmittelechten bzw.-tauglichen Schäummittel, vorzugsweise in Pulver- oder Granulatform, auf 220 bis 260° C erwärmt, mit einem anorganischen Pigment, das durch spätere Wärmeeinwirkung farbaktivierbar ist, versetzt, innig vermischt und dann einer Spritzgußmaschine zugeführt. Die flüssige Kunststoffmischung wird daraufhin mittels der Spritzgußmaschine unter Druck in eine Form zur Herstellung eines Pfropfens gepreßt. Dabei kühlt die in die Form gepreßte Kunststoffmasse an den Wänden der Form ab, wobei sich eine nicht poröse Außenhaut bildet, die eine feinporös verbleibende Innenmasse umschließt. Nach entsprechender Abkühlung in der Form wird der fertige Kunststoffpfropfen ausgestoßen.A plastic granulate or a mixture of Plastic granules, preferably a mixture of different ones PE granules are in a reactor vessel with a Fine-porosity-ensuring, food-safe or suitable Foaming agent, preferably in powder or Granulate form, heated to 220 to 260 ° C, with an inorganic Pigment that can be color activated by subsequent exposure to heat is mixed, intimately mixed and then one Injection molding machine fed. The liquid plastic mixture is then under using the injection molding machine Pressure pressed into a mold to make a plug. The plastic mass pressed into the mold cools to the Walls of the mold, leaving a non-porous skin forms, which encloses a finely porous inner mass. After appropriate cooling in the mold the finished plastic plug ejected.

Der zur Herstellung des Pfropfens verwendete Kunststoff kann auch durch Zusetzen von Farbpigmenten bzw. durch Masterbatch, mit dem die Einfärbung durchgeführt wird, mit einer Grundeinfärbung versehen werden, wobei man dann darauf achten muß, daß das zuzusetzende, durch spätere Wärmeeinwirkung farbaktivierbare Pigment ein zu einer entsprechenden Kontrastfarbe zur Grundeinfärbung verfärbendes Pigment ist.The plastic used to make the graft can also by adding color pigments or by Masterbatch with which the coloring is carried out with be provided with a basic color, where then must ensure that what is to be added, by later Exposure to heat color-activable pigment one to a corresponding one Contrast color to discolor the basic coloring Pigment is.

Der fertige Kunststoffpfropfen kann dann auf seiner Außenhaut wie oben angegeben mittels Laser- oder Plasmastrahls oder auf mechanischem Wege mittels beheizten Klischees mit einem haltbaren Korkbrand versehen werden. Dabei wird unter der Wärmeeinwirkung das im Kunststoff des Pfropfens gleichmäßig verteilt enthaltene anorganische Pigment in einem vorgegebenen Muster eines Korkbrands entsprechenden Bereichen farbaktiviert. Diese thermosensitiven, farbaktivierten Pigmente werden zum Träger des Korkbrandmusters, das so unverwischbar und haltbar an der Außenhaut des Pfropfens angebracht ist.The finished plastic plug can then be on its outer skin as indicated above by means of laser or plasma beams or mechanically using heated clichés be provided with a durable cork brand. It is under the heat in the plastic of the plug evenly distributed inorganic pigment in one predetermined pattern of areas corresponding to cork fire color activated. These thermosensitive, color-activated Pigments become the carrier of the cork fire pattern indelible and durable on the outer skin of the plug is appropriate.

Claims (8)

Pfropfen aus geschäumtem thermoplastischem Kunststoff zum Verschließen von flüssige Lebensmittel, Genußmittel oder Getränke enthaltenden Flaschen, dadurch gekennzeichnet, daß dem Kunststoff ein lebensmittelechtes bzw. -taug-liches, anorganisches, sich unter Wärmeeinwirkung verfärbendes Pigment zugesetzt ist.Plug made of foamed thermoplastic for sealing liquid foods, luxury foods or bottles containing drinks, characterized in that that the plastic is food-safe or food-safe, inorganic, discoloring under the influence of heat Pigment is added. Pfropfen nach Anspruch 1, dadurch gekennzeichnet, daß das Pigment an sich bekannte natürliche oder synthetische Mineralpigmente, Steinmehl, Metalloxide, -hydroxide, -oxidhydrate und/oder Mischungen hiervon umfaßt.A plug according to claim 1, characterized in that the pigment known per se natural or synthetic Mineral pigments, stone powder, metal oxides, hydroxides, oxide hydrates and / or mixtures thereof. Pfropfen nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Anteil des sich unter Wärmeeinwirkung verfärbenden Pigments 0,01 bis 50 Gew.-% bezogen auf das Gesamtgewicht des Pfropfens beträgt.A plug according to claim 1 or 2, characterized in that that the proportion of the discoloring under the influence of heat Pigments 0.01 to 50 wt .-% based on the total weight of the graft is. Pfropfen nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Anteil des sich unter Wärmeeinwirkung verfärbenden Pigments 0,5 bis 10 Gew.-%, insbesondere 1 bis 3 Gew.-% bezogen auf das Gesamtgewicht des Pfropfens beträgt.Plug according to one of claims 1 to 3, characterized characterized in that the proportion of the heat discoloring pigment 0.5 to 10 wt .-%, in particular 1 to 3% by weight based on the total weight of the plug is. Pfropfen nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Kunststoff lebensmittelechte bzw.-taugliche Polyolefine, vorzugsweise Polyethylene, Kautschuke, Silikone, Polyurethane und/oder Mischungen hiervon umfaßt.Plug according to one of claims 1 to 4, characterized characterized in that the plastic is food-safe or suitable Polyolefins, preferably polyethylenes, Rubbers, silicones, polyurethanes and / or mixtures includes this. Verfahren zum Anbringen eines Korkbrands auf dem Pfropfen nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Pfropfen in einem vorgegebenen Muster eines Korkbrands entsprechenden Bereichen zur Farbaktivierung des Pigments einer Wärmeeinwirkung ausgesetzt wird.Process for applying a cork fire to the Plug according to one of claims 1 to 5, characterized characterized in that the plug in a predetermined Patterns of a cork brand corresponding areas for color activation exposed to heat becomes. Verfahren nach Anspruch 6, dadurch gekennzeichnet, daß die Wärmeeinwirkung mittels Laser- oder Plasmastrahles erfolgt.A method according to claim 6, characterized in that the effect of heat by means of laser or plasma beams he follows. Verfahren nach Anspruch 6, dadurch gekennzeichnet, daß die Wärmeeinwirkung mittels eines beheizten Klischees, über das der Propfen geführt wird, erfolgt.A method according to claim 6, characterized in that the effect of heat by means of a heated cliché that the plug is carried out.
EP00890002A 1999-01-25 2000-01-04 Stopper made from a foamed thermoplastic material Expired - Lifetime EP1022226B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200030329T SI1022226T1 (en) 1999-01-25 2000-01-04 Stopper made from a foamed thermoplastic material

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT9799 1999-01-25
AT0009799A AT406476B (en) 1999-01-25 1999-01-25 PLUGS FROM FOAMED THERMOPLASTIC PLASTIC

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EP1022226A1 true EP1022226A1 (en) 2000-07-26
EP1022226B1 EP1022226B1 (en) 2003-12-17

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EP (1) EP1022226B1 (en)
AT (1) AT406476B (en)
AU (1) AU752536B2 (en)
DE (1) DE50004755D1 (en)
ES (1) ES2212980T3 (en)
PT (1) PT1022226E (en)
SI (1) SI1022226T1 (en)

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WO2006066866A1 (en) * 2004-12-22 2006-06-29 Guizzardi, Maria, Morena Method and device for marking synthetic stoppers

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US20050247212A1 (en) * 2003-06-06 2005-11-10 Steve Meeks Flexible bakeware having an improved carrier system with tabs and attachment apertures
US7282532B2 (en) * 2003-06-06 2007-10-16 M Management-Tex, Ltd. Flexible bakeware
US20050165138A1 (en) * 2004-01-23 2005-07-28 Jeannie Holmes Synthetic cork compound
US20070203266A1 (en) * 2004-01-23 2007-08-30 Jeannie Holmes Synthetic cork compound
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WO2006066866A1 (en) * 2004-12-22 2006-06-29 Guizzardi, Maria, Morena Method and device for marking synthetic stoppers

Also Published As

Publication number Publication date
AT406476B (en) 2000-05-25
AU752536B2 (en) 2002-09-19
US6528152B1 (en) 2003-03-04
AU1247100A (en) 2000-07-27
EP1022226B1 (en) 2003-12-17
ES2212980T3 (en) 2004-08-16
SI1022226T1 (en) 2004-06-30
ATA9799A (en) 1999-10-15
DE50004755D1 (en) 2004-01-29
PT1022226E (en) 2004-07-30

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