EP2272766A1 - Method of packaging food, especially pieces of meat, to be sealed against gases, and device to do such - Google Patents

Method of packaging food, especially pieces of meat, to be sealed against gases, and device to do such Download PDF

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Publication number
EP2272766A1
EP2272766A1 EP09008895A EP09008895A EP2272766A1 EP 2272766 A1 EP2272766 A1 EP 2272766A1 EP 09008895 A EP09008895 A EP 09008895A EP 09008895 A EP09008895 A EP 09008895A EP 2272766 A1 EP2272766 A1 EP 2272766A1
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EP
European Patent Office
Prior art keywords
film
shell
vacuum
meat
gas
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EP09008895A
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German (de)
French (fr)
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EP2272766B1 (en
Inventor
Jörg von Seggern
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Joerg von Seggern Maschinenbau GmbH
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Joerg von Seggern Maschinenbau GmbH
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Priority to EP09008895.6A priority Critical patent/EP2272766B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/02—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
    • B65B31/025—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas specially adapted for rigid or semi-rigid containers
    • B65B31/028—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas specially adapted for rigid or semi-rigid containers closed by a lid sealed to the upper rim of the container, e.g. tray-like container

Definitions

  • the invention relates to a method for gas-tight packaging of foods, in particular pieces of meat, wherein the food is placed in a dish and is closed to close the shell of a thermoformable film with the shell.
  • the invention also relates to a device for gas-tight packaging of foods, in particular pieces of meat, for carrying out the aforementioned method, comprising a support for at least one shell and comprising at least one sealing tool for the thermoformable film.
  • Foodstuffs are offered to consumers in addition to a fresh diet for sale in packaging. On the one hand, these packages should keep the food fresh, on the other hand, the packaging should also ensure a fresh look of the food.
  • EP 0830927 B1 Packages which ensure a fresh appearance of meat pieces over a longer period.
  • These packages are characterized by a double-layer thermoformable film, wherein a film lying below is permeable to gas and an overhead film is gas impermeable. Due to the passage of oxygen from the interior of the shell through the film lying at the bottom in a space between the two films, a gas cushion is formed between the two films. From this gas cushion oxygen atoms can pass through the film lying at the bottom back into the interior of the shell and thus reach areas of the meat piece where the film is directly applied. A completely pinkish design of the piece of meat is the result.
  • the invention is based on the object to show a rational packaging method for such a package.
  • a device is to be provided with which such a method can be carried out.
  • This object is procedurally achieved according to the invention in that an at least double-layered film used and the shell is fed, that in the environment of the shell initially above the film and then in other areas a vacuum is applied and that the film gas-tight on a peripheral edge of the shell is applied.
  • the double-layer film necessary for the advantageous packaging is applied in a gas-tight manner to the peripheral edge of the shell, for example, sealed.
  • vacuum is applied to the environment of the shell.
  • the application of the vacuum is carried out according to the invention in two steps, by first applying the vacuum above the film and only then applying the vacuum to other regions of the shell. With the aid of the vacuum applied above the foil, the foil is pulled away from the shell, thus ensuring that the shell can contain a product which projects beyond the plane of the shell edges out of the shell. With the applied in other areas of the shell vacuum, the previous atmosphere is removed from the shell, for example, to bring in the shell a protective gas can.
  • a greater vacuum is applied above the foil than in other regions of the shell.
  • the vacuum present above the film is intended to safely pull the film away from the shell. It must therefore have a certain strength, so that the film is also safely pulled away from the shell.
  • the film is preferably cut out of a film web after it has been applied to the edges of the shell.
  • the film can be unwound as in a known manner from a roll and fed to the shells. It then takes an outside cutting of the film after it has been sealed to the edges of the shell.
  • the vacuum is applied in a pulse-like manner above the foils.
  • the vacuum can therefore reach different sizes, it can be applied for a short time, but for a short time normal pressure situations can be brought about again.
  • air is removed in addition to the secure placement of the film, which is heated to the edges of the shell during the sealing process of the film. Heated air can lead to warping of the double-layered film which, when the package is finished, produces undesirable wrinkling.
  • hot air must be removed from regions of the film that are not involved in the sealing process. This is done with the vacuum applied above the film, which dissipates more or less hot air depending on the temperature conditions, on the one hand to protect the film and on the other to allow reliable sealing of the film on the edges of the shell.
  • the device-side solution of the task for which independent protection is claimed is distinguished by the fact that the sealing tool of the device is formed from a lower and an upper tool that the upper tool has a concave contact section for the film, wherein between contact section and other sections of the sealing tool, a gap is formed, on which a vacuum can be applied.
  • the device according to the invention provides the sealing form in which the shell is inserted and in which the double-layered film is sealed onto the shell.
  • the upper tool has the concave contact section, which is located like an inwardly arched dome above the shell.
  • the double-layered film can be guided against this concave abutment section due to the applied vacuum, the vacuum is adjusted so that the film engages smoothly and without wrinkles on this concave abutment section.
  • this contact section has a gap to other sections of the sealing tool. Further sections are assigned, for example, to the edges of the shell, high temperatures occur during sealing. The distance between these areas and the abutment portion advantageously prevents direct transfer of high temperatures to the concave abutment portion in order to prevent the formation of wrinkles in the film. Since according to the invention a vacuum is applied to the intermediate space, it is also ensured that high temperatures of the atmosphere in this intermediate space can be removed by the vacuum with the atmosphere. Isolations with insulating bodies between the remaining regions of the sealing tool and the concave contact section can be dispensed with.
  • the concave installation section of at least one channel is broken, wherein on the channel a vacuum can be applied.
  • This channel is arranged, for example, at the highest point of the concave contact section in order to apply the method provided above the film arranged above the vacuum.
  • the gap between the contact portion and other portions of the sealing tool is preferably formed as a gap.
  • the concave contact section can be formed as large as possible so that the largest possible contact surface for the film is provided.
  • the gap meets the requirements for blocking the heat transfer, especially because a vacuum is applied to the gap.
  • At least one line for a protective gas runs through the sealing tool at the level of the edges of the inserted shell. After inserting the shell and guiding the film against the concave contact section, the vacuum can be reduced and the protective gas can be introduced into the sealing tool. This insertion takes place at the level of the edges of the inserted shell, so that the protective gas can easily get into the shell.
  • the concave contact portion which is preferably formed as a plate, preferably at least one temperature sensor is arranged. With this the temperature conditions in the area of the foil can be monitored. Temperature increases beyond predetermined limits can be reduced by lowering the heating heat as well as by increasing the vacuum applied to the gap between the contact section and other regions of the sealing tool.
  • the apparatus for gas-tight packaging of food in the drawings has a support 1 for a shell, in which a food can be inserted.
  • the edition 1 is associated with a sealing tool 2.
  • the sealing tool 2 has an upper tool which comprises a concave contact section 3. Further contact sections 4 are assigned to edges of a tray 1 inserted in the tray.
  • the concave bearing portion 3 is pierced by channels 5. At these channels 5, a vacuum can be applied.
  • Fig. 2 shows that passes through the sealing tool 2 through a conduit 7 for inert gas.
  • the line 7 is guided over the support 1 for the shell, not shown.

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vacuum Packaging (AREA)

Abstract

The method involves using a double-layered film, where a shell is supplied. A vacuum is created primarily above the film and then in other areas within the surroundings of the shell. A stronger pulsed vacuum is created above the film in comparison to the other areas of the shell. An independent claim is also included for an apparatus for gas-tight packaging of food, particularly meat pieces.

Description

Die Erfindung betrifft ein Verfahren zum gasdichten Verpacken von Lebensmitteln, insbesondere von Fleischstücken, wobei das Lebensmittel in eine Schale eingelegt wird und zum Verschließen der Schale eine tiefziehbare Folie mit der Schale verbunden wird. Die Erfindung betrifft zudem eine Vorrichtung zum gasdichten Verpacken von Lebensmitteln, insbesondere von Fleischstücken, zum Durchführen des vorgenannten Verfahrens, umfassend eine Auflage für zumindest eine Schale und umfassend zumindest ein Siegelwerkzeug für die tiefziehbare Folie.The invention relates to a method for gas-tight packaging of foods, in particular pieces of meat, wherein the food is placed in a dish and is closed to close the shell of a thermoformable film with the shell. The invention also relates to a device for gas-tight packaging of foods, in particular pieces of meat, for carrying out the aforementioned method, comprising a support for at least one shell and comprising at least one sealing tool for the thermoformable film.

Lebensmittel werden neben einem frischen Feilhalten zum Verkauf in Verpackungen den Konsumenten angeboten. Diese Verpackungen sollen zum einen die Lebensmittel frisch halten, zum anderen soll durch die Verpackungen auch ein frisches Aussehen der Lebensmittel gewährleistet sein.Foodstuffs are offered to consumers in addition to a fresh diet for sale in packaging. On the one hand, these packages should keep the food fresh, on the other hand, the packaging should also ensure a fresh look of the food.

Bei Verpackungen für Fleischstücke besteht die Anforderung, das Fleisch frisch und rosarot aussehen zu lassen. Dafür ist eine Zuführung von Sauerstoff zum Fleisch erforderlich. Fehlt die erforderliche Konzentration an Sauerstoff, so wird das Fleisch grau. Es ist dann zwar weiterhin genießbar, aufgrund der ausgebildeten optischen Unansehnlichkeit meiden die Verbraucher derartige Fleischstücke jedoch.For meat packaging, there is a requirement to make the meat look fresh and rosy. This requires a supply of oxygen to the meat. If the required concentration of oxygen is missing, the meat turns gray. It is then still enjoyable, but due to the trained optical unsightliness consumers avoid such pieces of meat.

In der EP 0830927 B1 sind Verpackungen vorgesehen, welche ein frisches Aussehen von Fleischstücken über eine längere Zeit gewährleisten. Diese Verpackungen zeichnen sich durch eine doppellagige tiefziehbare Folie aus, wobei eine unten liegende Folie gasdurchlässig ist und eine oben liegende Folie gasundurchlässig ist. Aufgrund des Durchtritts von Sauerstoff aus dem Schaleninneren durch die zuunterst liegende Folie in einen Zwischenraum zwischen beide Folien entsteht zwischen beiden Folien ein Gaspolster. Aus diesem Gaspolster können Sauerstoffatome durch die zuunterst liegende Folie zurück in den Innenraum der Schale gelangen und somit auch an Bereiche des Fleischstückes gelangen, an denen die Folie direkt anliegt. Eine vollständig rosarote Ausgestaltung des Fleischstückes ist die Folge.In the EP 0830927 B1 Packages are provided which ensure a fresh appearance of meat pieces over a longer period. These packages are characterized by a double-layer thermoformable film, wherein a film lying below is permeable to gas and an overhead film is gas impermeable. Due to the passage of oxygen from the interior of the shell through the film lying at the bottom in a space between the two films, a gas cushion is formed between the two films. From this gas cushion oxygen atoms can pass through the film lying at the bottom back into the interior of the shell and thus reach areas of the meat piece where the film is directly applied. A completely pinkish design of the piece of meat is the result.

Der Erfindung liegt die Aufgabe zu Grunde, für eine derartige Verpackung ein rationelles Verpackungsverfahren aufzuzeigen. Zudem soll eine Vorrichtung bereitgestellt werden, mit der ein derartiges Verfahren durchführbar ist.The invention is based on the object to show a rational packaging method for such a package. In addition, a device is to be provided with which such a method can be carried out.

Diese Aufgabe ist verfahrensseitig erfindungsgemäß dadurch gelöst, dass eine zumindest doppellagige Folie verwendet und der Schale zugeführt wird, dass in der Umgebung der Schale zunächst oberhalb der Folie und anschließend in übrigen Bereichen ein Vakuum angelegt wird und dass die Folie auf einen umlaufenden Rand der Schale gasdicht aufgebracht wird.This object is procedurally achieved according to the invention in that an at least double-layered film used and the shell is fed, that in the environment of the shell initially above the film and then in other areas a vacuum is applied and that the film gas-tight on a peripheral edge of the shell is applied.

Bei dem erfindungsgemäßen Verfahren wird die für die vorteilhafte Verpackung notwendige doppellagige Folie auf den umlaufenden Rand der Schale gasdicht aufgebracht, beispielsweise aufgesiegelt. Während dieses Siegelns wird an die Umgebung der Schale Vakuum angelegt. Das Anlegen des Vakuums erfolgt erfindungsgemäß in zwei Schritten, indem zunächst oberhalb der Folie das Vakuum angelegt wird und erst anschließend in anderen Bereichen der Schale das Vakuum angelegt wird. Mit Hilfe des oberhalb der Folie angelegten Vakuums wird die Folie von der Schale weggezogen, auf diese Weise ist gewährleistet, dass in der Schale ein Produkt enthalten sein kann, das über die Ebene der Schalenränder aus der Schale heraus vorsteht. Mit dem in anderen Bereichen der Schale angelegten Vakuum wird die bisherige Atmosphäre von der Schale entfernt, beispielsweise um in die Schale ein Schutzgas einbringen zu können.In the method according to the invention, the double-layer film necessary for the advantageous packaging is applied in a gas-tight manner to the peripheral edge of the shell, for example, sealed. During this sealing, vacuum is applied to the environment of the shell. The application of the vacuum is carried out according to the invention in two steps, by first applying the vacuum above the film and only then applying the vacuum to other regions of the shell. With the aid of the vacuum applied above the foil, the foil is pulled away from the shell, thus ensuring that the shell can contain a product which projects beyond the plane of the shell edges out of the shell. With the applied in other areas of the shell vacuum, the previous atmosphere is removed from the shell, for example, to bring in the shell a protective gas can.

Durch die verschiedenen Vakuumbelegungen ist ein einfaches und sicheres Handhaben einer doppellagigen Folie aufgezeigt. Die Schalen können in hoher Taktzahl mit der doppellagigen Folie gesiegelt werden.Due to the different vacuum assignments a simple and safe handling of a double-layered film is shown. The trays can be sealed in high numbers with the two-ply film.

Nach einer ersten Weiterbildung des erfindungsgemäßen Verfahrens ist vorgesehen, dass oberhalb der Folie ein stärkeres Vakuum angelegt wird als in übrigen Bereichen der Schale. Das oberhalb der Folie vorhandene Vakuum ist dafür vorgesehen, die Folie sicher von der Schale wegzuziehen. Es muss daher eine gewisse Stärke haben, damit die Folie auch sicher von der Schale weggezogen wird.According to a first development of the method according to the invention, it is provided that a greater vacuum is applied above the foil than in other regions of the shell. The vacuum present above the film is intended to safely pull the film away from the shell. It must therefore have a certain strength, so that the film is also safely pulled away from the shell.

Die Folie wird vorzugsweise aus einer Folienbahn nach ihrem Aufbringen auf den Rändern der Schale ausgeschnitten. Insofern kann die Folie wie in bekannter Weise von einer Rolle abgewickelt und den Schalen zugeführt werden. Es erfolgt dann ein außenseitiges Schneiden der Folie, nachdem sie auf die Ränder der Schale aufgesiegelt wurde.The film is preferably cut out of a film web after it has been applied to the edges of the shell. In this respect, the film can be unwound as in a known manner from a roll and fed to the shells. It then takes an outside cutting of the film after it has been sealed to the edges of the shell.

Nach einer nächsten Weiterbildung der Erfindung ist vorgesehen, dass das Vakuum oberhalb der Folien impulsartig angelegt wird. Das Vakuum kann also voneinander verschiedene Größen erreichen, es kann kurzzeitig angelegt werden, kurzzeitig können aber auch wieder Normaldrucksituationen herbeigeführt werden. Durch das Anlegen eines Vakuums wird neben der sicheren Platzierung der Folie auch Luft entfernt, die während des Siegelvorganges der Folie auf die Ränder der Schale erwärmt wird. Erwärmte Luft kann zu einem Verziehen der doppellagigen Folie führen, welches bei fertig gestellter Verpackung eine unerwünschte Faltenbildung erzeugt. Um derartige Falten nicht entstehen zu lassen, ist heiße Luft aus nicht an der Siegelung beteiligten Bereichen der Folie abzuführen. Dies erfolgt mit dem oberhalb der Folie angelegten Vakuum, das je nach Temperaturverhältnissen mehr oder weniger heiße Luft abführt, um zum einen die Folie zu schonen und um zum anderen eine zuverlässige Aufsiegelung der Folie auf die Ränder der Schale zu ermöglichen.According to a next development of the invention, it is provided that the vacuum is applied in a pulse-like manner above the foils. The vacuum can therefore reach different sizes, it can be applied for a short time, but for a short time normal pressure situations can be brought about again. By applying a vacuum, air is removed in addition to the secure placement of the film, which is heated to the edges of the shell during the sealing process of the film. Heated air can lead to warping of the double-layered film which, when the package is finished, produces undesirable wrinkling. To prevent such wrinkles from forming, hot air must be removed from regions of the film that are not involved in the sealing process. This is done with the vacuum applied above the film, which dissipates more or less hot air depending on the temperature conditions, on the one hand to protect the film and on the other to allow reliable sealing of the film on the edges of the shell.

Die vorrichtungsseitige Lösung der Aufgabe, für die selbstständiger Schutz beansprucht wird, zeichnet sich dadurch aus, dass das Siegelwerkzeug der Vorrichtung aus einem Unter- und einem Oberwerkzeug ausgebildet ist, dass das Oberwerkzeug einen konkaven Anlageabschnitt für die Folie aufweist, wobei zwischen Anlageabschnitt und anderen Abschnitten des Siegelwerkzeuges ein Zwischenraum ausgebildet ist, an dem ein Vakuum anlegbar ist.The device-side solution of the task for which independent protection is claimed is distinguished by the fact that the sealing tool of the device is formed from a lower and an upper tool that the upper tool has a concave contact section for the film, wherein between contact section and other sections of the sealing tool, a gap is formed, on which a vacuum can be applied.

Die erfindungsgemäße Vorrichtung stellt die Siegelform zur Verfügung, in welche die Schale eingelegt wird und in welcher die doppellagige Folie auf die Schale aufgesiegelt wird. Für das Aufsiegeln weist das Oberwerkzeug den konkaven Anlageabschnitt auf, der sich wie ein nach innen gewölbter Dom oberhalb der Schale befindet. Gegen diesen konkaven Anlageabschnitt ist die doppellagige Folie aufgrund des angelegten Vakuums führbar, das Vakuum wird so eingestellt, dass sich die Folie glatt und ohne Falten an diesen konkaven Anlageabschnitt anlegt.The device according to the invention provides the sealing form in which the shell is inserted and in which the double-layered film is sealed onto the shell. For sealing, the upper tool has the concave contact section, which is located like an inwardly arched dome above the shell. The double-layered film can be guided against this concave abutment section due to the applied vacuum, the vacuum is adjusted so that the film engages smoothly and without wrinkles on this concave abutment section.

Erfindungsgemäß ist weiter vorgesehen, dass dieser Anlageabschnitt einen Zwischenraum zu weiteren Abschnitten des Siegelwerkzeuges aufweist. Weitere Abschnitte sind beispielsweise den Rändern der Schale zugeordnet, hier treten hohe Temperaturen während des Siegelns auf. Durch den Abstand zwischen diesen Bereichen und dem Anlageabschnitt ist ein direktes Überführen hoher Temperaturen auf den konkaven Anlageabschnitt vorteilhaft verhindert, um das Entstehen von Falten in der Folie auszuschließen. Da erfindungsgemäß an den Zwischenraum ein Vakuum angelegt ist, ist zudem sichergestellt, dass hohe Temperaturen der Atmosphäre in diesem Zwischenraum durch das Vakuum mit der Atmosphäre abtransportiert werden können. Auf Isolationen mit Isolierkörpern zwischen den übrigen Bereichen des Siegelwerkzeuges und dem konkaven Anlageabschnitt kann verzichtet werden.According to the invention it is further provided that this contact section has a gap to other sections of the sealing tool. Further sections are assigned, for example, to the edges of the shell, high temperatures occur during sealing. The distance between these areas and the abutment portion advantageously prevents direct transfer of high temperatures to the concave abutment portion in order to prevent the formation of wrinkles in the film. Since according to the invention a vacuum is applied to the intermediate space, it is also ensured that high temperatures of the atmosphere in this intermediate space can be removed by the vacuum with the atmosphere. Isolations with insulating bodies between the remaining regions of the sealing tool and the concave contact section can be dispensed with.

Nach einer ersten Weiterbildung der erfindungsgemäßen Vorrichtung ist vorgesehen, dass der konkave Anlagenabschnitt von zumindest einem Kanal durchbrochen ist, wobei an dem Kanal ein Vakuum anlegbar ist. Dieser Kanal ist beispielsweise am höchsten Punkt des konkaven Anlageabschnittes angeordnet, um hier das verfahrensgemäß vorgesehene oberhalb der Folie angeordnete Vakuum anzulegen.According to a first development of the device according to the invention, it is provided that the concave installation section of at least one channel is broken, wherein on the channel a vacuum can be applied. This channel is arranged, for example, at the highest point of the concave contact section in order to apply the method provided above the film arranged above the vacuum.

Der Zwischenraum zwischen Anlageabschnitt und anderen Abschnitten des Siegelwerkzeuges ist vorzugsweise als Spalt ausgebildet. Durch diese Ausbildung kann der konkave Anlageabschnitt möglichst großflächig ausgebildet sein, damit eine möglichst große Anlagefläche für die Folie gegeben ist. Der Spalt genügt den Anforderungen zur Blockierung der Wärmeübertragung, insbesondere weil an den Spalt ein Vakuum angelegt ist.The gap between the contact portion and other portions of the sealing tool is preferably formed as a gap. As a result of this design, the concave contact section can be formed as large as possible so that the largest possible contact surface for the film is provided. The gap meets the requirements for blocking the heat transfer, especially because a vacuum is applied to the gap.

Nach einer nächsten Weiterbildung der Erfindung ist vorgesehen, dass durch das Siegelwerkzeug hindurch auf Höhe der Ränder der eingelegten Schale zumindest eine Leitung für ein Schutzgas verläuft. Nach Einlegen der Schale und Führen der Folie gegen den konkaven Anlageabschnitt kann das Vakuum reduziert werden und das Schutzgas in das Siegelwerkzeug eingeführt werden. Dieses Einführen erfolgt auf Höhe der Ränder der eingelegten Schale, so dass das Schutzgas in einfacher Weise in die Schale gelangen kann.According to a next development of the invention, it is provided that at least one line for a protective gas runs through the sealing tool at the level of the edges of the inserted shell. After inserting the shell and guiding the film against the concave contact section, the vacuum can be reduced and the protective gas can be introduced into the sealing tool. This insertion takes place at the level of the edges of the inserted shell, so that the protective gas can easily get into the shell.

Im konkaven Anlageabschnitt, der vorzugsweise als Platte ausgebildet ist, wird vorzugsweise zumindest ein Temperatursensor angeordnet. Mit diesem können die Temperaturverhältnisse im Bereich der Folie überwacht werden. Temperaturerhöhungen über vorbestimmte Grenzen hinaus können durch ein Herunterregeln der Heizwärme sowie durch eine Verstärkung des an den Spalt zwischen Anlageabschnitt und weiteren Bereichen des Siegelwerkzeuges angelegten Vakuums abgebaut werden.In the concave contact portion, which is preferably formed as a plate, preferably at least one temperature sensor is arranged. With this the temperature conditions in the area of the foil can be monitored. Temperature increases beyond predetermined limits can be reduced by lowering the heating heat as well as by increasing the vacuum applied to the gap between the contact section and other regions of the sealing tool.

Ein Ausführungsbeispiel der Erfindung, aus dem sich weitere erfinderische Merkmale ergeben, ist in der Zeichnung dargestellt. Es zeigen:

Fig.1:
eine erste Schnittansicht einer Vorrichtung zum gasdichten Verpacken von Lebensmitteln, und
Fig. 2:
eine zweite Schnittansicht der Vorrichtung gemäß Fig. 1:
An embodiment of the invention, from which further inventive features arise, is shown in the drawing. Show it:
Fig.1:
a first sectional view of a device for gas-tight packaging of food, and
Fig. 2:
a second sectional view of the device according to Fig. 1 :

Die Vorrichtung zum gasdichten Verpacken von Lebensmitteln in den Zeichnungen weist eine Auflage 1 für eine Schale auf, in welche ein Lebensmittel eingelegt werden kann. Der Auflage 1 ist ein Siegelwerkzeug 2 zugeordnet. Das Siegelwerkzeug 2 weist ein Oberwerkzeug auf, das einen konkaven Anlageabschnitt 3 umfasst. Weitere Anlageabschnitte 4 sind Rändern einer in die Auflage 1 eingelegten Schale zugeordnet.The apparatus for gas-tight packaging of food in the drawings has a support 1 for a shell, in which a food can be inserted. The edition 1 is associated with a sealing tool 2. The sealing tool 2 has an upper tool which comprises a concave contact section 3. Further contact sections 4 are assigned to edges of a tray 1 inserted in the tray.

Der konkave Anlageabschnitt 3 ist von Kanälen 5 durchbrochen. An diese Kanäle 5 ist ein Vakuum anlegbar.The concave bearing portion 3 is pierced by channels 5. At these channels 5, a vacuum can be applied.

Zwischen dem konkaven Anlageabschnitt 3 und den weiteren Anlagenabschnitten 4 ist zudem jeweils ein Spalt 6 ausgebildet, an den gleichfalls das Vakuum angelegt ist.In addition, in each case a gap 6 is formed between the concave contact section 3 and the other system sections 4, to which also the vacuum is applied.

Fig. 2 zeigt, dass durch das Siegelwerkzeug 2 hindurch eine Leitung 7 für Schutzgas verläuft. Die Leitung 7 wird über die Auflage 1 für die nicht weiter dargestellte Schale geführt. Fig. 2 shows that passes through the sealing tool 2 through a conduit 7 for inert gas. The line 7 is guided over the support 1 for the shell, not shown.

Claims (10)

Verfahren zum gasdichten Verpacken von Lebensmitteln, insbesondere von Fleischstücken, wobei das Lebensmittel in eine Schale eingelegt wird und zum Verschließen der Schale eine tiefziehbare Folie mit der Schale verbunden wird,
dadurch gekennzeichnet,
dass eine zumindest doppellagige Folie verwendet und der Schale zugeführt wird, dass in der Umgebung der Schale zunächst oberhalb der Folie und anschließend in übrigen Bereichen ein Vakuum angelegt wird und dass die Folie auf einen umlaufenden Rand der Schale gasdicht aufgebracht wird.Process for the gas-tight packaging of foodstuffs, in particular pieces of meat, wherein the foodstuff is placed in a dish and, for closing the dish, a deep-drawable film is connected to the dish,
characterized,
in that an at least double-layered film is used and supplied to the shell, that a vacuum is applied in the environment of the shell, first above the film and subsequently in other regions, and that the film is applied in a gas-tight manner on a peripheral edge of the shell. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass oberhalb der Folie ein stärkeres Vakuum angelegt wird als in übrigen Bereichen der Schale.A method according to claim 1, characterized in that above the film, a greater vacuum is applied than in other areas of the shell. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Folie aus einer Folienbahn nach ihrem Aufbringen auf den Rändern der Schale ausgeschnitten wird.A method according to claim 1 or 2, characterized in that the film is cut out of a film web after its application to the edges of the shell. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Vakuum oberhalb der Folien impulsartig angelegt wird.Method according to one of the preceding claims, characterized in that the vacuum is applied in pulses above the films. Vorrichtung zum gasdichten Verpacken von Lebensmitteln, insbesondere von Fleischstücken, zum Durchführen des Verfahrens nach einem der Ansprüche 1 bis 4, umfassend eine Auflage für zumindest eine Schale und umfassend zumindest ein Siegelwerkzeug für die tiefziehbare Folie,
dadurch gekennzeichnet,
dass das Siegelwerkzeug (2) aus einem Unter- und einem Oberwerkzeug ausgebildet ist, dass das Oberwerkzeug einen konkaven Anlagenabschnitt (3) für die Folie aufweist, wobei zwischen Anlageabschnitt (3) und anderen Abschnitten (4) des Siegelwerkzeuges (2) ein Zwischenraum ausgebildet ist, an dem ein Vakuum anlegbar ist.Device for gas-tight packaging of foodstuffs, in particular pieces of meat, for carrying out the method according to one of claims 1 to 4, comprising a support for at least one shell and comprising at least one sealing tool for the thermoformable film,
characterized,
in that the sealing tool (2) is formed from a lower and an upper tool, that the upper tool has a concave abutment section (3) for the film, wherein between abutment section (3) and others Sections (4) of the sealing tool (2) an intermediate space is formed, on which a vacuum can be applied. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass der konkave Anlagenabschnitt (3) von zumindest einem Kanal (5) durchbrochen ist, wobei an dem Kanal (5) ein Vakuum anlegbar ist.Apparatus according to claim 5, characterized in that the concave plant section (3) of at least one channel (5) is broken, wherein on the channel (5), a vacuum can be applied. Vorrichtung nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass der Zwischenraum zwischen Anlageabschnitt (3) und anderen Abschnitten (4) des Siegelwerkzeuges (2) als Spalt (6) ausgebildet ist.Apparatus according to claim 5 or 6, characterized in that the intermediate space between contact section (3) and other sections (4) of the sealing tool (2) is designed as a gap (6). Vorrichtung nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass durch das Siegelwerkzeug (2) hindurch auf Höhe der Ränder der eingelegten Schale zumindest eine Leitung (7) für ein Schutzgas verläuft.Device according to one of claims 5 to 7, characterized in that at least one line (7) for a protective gas extends through the sealing tool (2) at the level of the edges of the inserted shell. Vorrichtung nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, dass im konkave Anlageabschnitt (3) zumindest ein Temperatursensor angeordnet ist.Device according to one of claims 5 to 8, characterized in that in the concave contact portion (3) at least one temperature sensor is arranged. Vorrichtung nach einem der Ansprüche 5 bis 9, dadurch gekennzeichnet, dass der konkave Anlageabschnitt (3)als Platte ausgebildet ist.Device according to one of claims 5 to 9, characterized in that the concave bearing portion (3) is formed as a plate.
EP09008895.6A 2009-07-08 2009-07-08 Method of packaging food, especially pieces of meat, to be sealed against gases, and device to do such Active EP2272766B1 (en)

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EP09008895.6A EP2272766B1 (en) 2009-07-08 2009-07-08 Method of packaging food, especially pieces of meat, to be sealed against gases, and device to do such

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EP09008895.6A EP2272766B1 (en) 2009-07-08 2009-07-08 Method of packaging food, especially pieces of meat, to be sealed against gases, and device to do such

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EP2272766A1 true EP2272766A1 (en) 2011-01-12
EP2272766B1 EP2272766B1 (en) 2016-08-24

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2586315A2 (en) 2011-10-29 2013-05-01 Messer Austria GmbH Protective gas for packaging meat or sausages
EP2905232A1 (en) * 2014-02-11 2015-08-12 Multivac Sepp Haggenmüller GmbH & Co. KG Sealing tool top of a tray closing machine and corresponding method
DE102019206392A1 (en) * 2019-05-03 2020-11-05 Multivac Sepp Haggenmüller Se & Co. Kg Tray sealing machine

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IT1244845B (en) * 1990-11-22 1994-09-06 Mondini G Spa Packaging machine for sealing containers
US5402622A (en) * 1994-01-31 1995-04-04 W.R. Grace & Co.-Conn. Peelable barrier layer VSP package, and method for making same
WO2000038992A1 (en) * 1998-12-23 2000-07-06 Cryovac, Inc. Process for packaging high profile products in a modified atmosphere with an upwardly formed heat shrinkable film
EP0830297B1 (en) 1995-06-06 2002-09-04 Cryovac, Inc. Controlled atmosphere package with double cover
US20030196412A1 (en) * 2002-04-19 2003-10-23 Foulke Guy L. Top formed packaging
DE10237933A1 (en) 2002-08-14 2004-02-26 Multivac Sepp Haggenmüller Gmbh & Co. Kg Packaging machine for food in trays comprises mobile upper and lower sections enclosing chamber for tray, rollers feeding film into chamber, after which it is lifted away from food and sealed to tray at its edges

Patent Citations (6)

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Publication number Priority date Publication date Assignee Title
IT1244845B (en) * 1990-11-22 1994-09-06 Mondini G Spa Packaging machine for sealing containers
US5402622A (en) * 1994-01-31 1995-04-04 W.R. Grace & Co.-Conn. Peelable barrier layer VSP package, and method for making same
EP0830297B1 (en) 1995-06-06 2002-09-04 Cryovac, Inc. Controlled atmosphere package with double cover
WO2000038992A1 (en) * 1998-12-23 2000-07-06 Cryovac, Inc. Process for packaging high profile products in a modified atmosphere with an upwardly formed heat shrinkable film
US20030196412A1 (en) * 2002-04-19 2003-10-23 Foulke Guy L. Top formed packaging
DE10237933A1 (en) 2002-08-14 2004-02-26 Multivac Sepp Haggenmüller Gmbh & Co. Kg Packaging machine for food in trays comprises mobile upper and lower sections enclosing chamber for tray, rollers feeding film into chamber, after which it is lifted away from food and sealed to tray at its edges

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2586315A2 (en) 2011-10-29 2013-05-01 Messer Austria GmbH Protective gas for packaging meat or sausages
DE102011122769A1 (en) 2011-10-29 2013-05-02 Messer Austria Gmbh Protective gas for packaging meat and sausage products
EP2905232A1 (en) * 2014-02-11 2015-08-12 Multivac Sepp Haggenmüller GmbH & Co. KG Sealing tool top of a tray closing machine and corresponding method
DE102019206392A1 (en) * 2019-05-03 2020-11-05 Multivac Sepp Haggenmüller Se & Co. Kg Tray sealing machine
US11459137B2 (en) 2019-05-03 2022-10-04 Multivac Sepp Haggenmueller Se & Co. Kg Tray sealing machine

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