EP3034416A1 - Device for sealing containers with at least one film - Google Patents

Device for sealing containers with at least one film Download PDF

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Publication number
EP3034416A1
EP3034416A1 EP15200858.7A EP15200858A EP3034416A1 EP 3034416 A1 EP3034416 A1 EP 3034416A1 EP 15200858 A EP15200858 A EP 15200858A EP 3034416 A1 EP3034416 A1 EP 3034416A1
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EP
European Patent Office
Prior art keywords
film
container
suction element
component
inner punch
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
EP15200858.7A
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German (de)
French (fr)
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EP3034416B1 (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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Publication of EP3034416A1 publication Critical patent/EP3034416A1/en
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Classifications

    • 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
    • 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
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/001—Packaging other articles presenting special problems of foodstuffs, combined with their conservation
    • 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
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
    • B65B7/2842—Securing closures on containers
    • B65B7/2878—Securing closures on containers by heat-sealing
    • 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
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/22—Packaging articles of food, e.g. fish fillets, intended to be cooked in the package

Definitions

  • the invention relates to a device for sealing containers with at least one film, comprising a lower tool with holding receptacles for the containers and comprising an upper tool for sealing the film to the edges of the container.
  • Devices of the aforementioned type are known from packaging technology, with them objects can be packed in containers. These items may be inorganic in nature, such as screws, hardware, or the like, or they may be foodstuffs.
  • Containers may contain foods suitable for immediate consumption, such as ham or cheese. Other foods already suitable for human consumption can be ready-to-eat meals that are only consumed by the consumer. B. in a water bath or in the microwave to heat. The ingredients of these foods have already been cooked before they go on sale.
  • Cooking food in the container generates heat and creates vapors, which can be removed from the not yet completely sealed container.
  • a protective gas can be introduced which displaces gases which react with the food.
  • the invention has for its object to provide a device of the type mentioned, with the introduction of a protective gas or the application of a vacuum in a partially sealed with a film container succeeds.
  • the upper tool is assigned at least one lifting element for lifting the film in sections, wherein the suction element is formed from two mutually positionally variable components, a first component is an inner punch with connected vacuum line and a second component, the first component at least partially circumferential wall ring is.
  • the device according to the invention not only has lower tool and upper tool for sealing the container with the film, the upper tool is associated with an additional tool.
  • This tool is a suction element with which the film can be lifted. This lifting can be used to discharge gases from the interior of the container by applying a vacuum and / or at least one protective gas into the container To introduce the interior of the container. If the film is already partially sealed onto the peripheral edge of the container, the protective gas can be directed in this way into areas below the already partially sealed film.
  • the sectionally raised area of the film is to be placed on the edge of the container again after supplying the protective gas. During this process and when lifting, the film must not be folded or wrinkled, as its subsequent gas-tight sealing on the edge must be ensured.
  • the suction member has a connection to a vacuum line.
  • the suction element thus has no mechanically on the film engaging elements, this would already lead to a rejection of the film, for introducing kinks and the like.
  • the suction element can be approximated to the film, by applying a correspondingly set vacuum, the film can be brought to the suction element and be led away again from the suction element after switching off the vacuum.
  • the suction element is formed from two mutually positionally variable components, wherein a first component is an inner punch with connected vacuum line and a second component is a first component at least partially circumferential wall ring.
  • This design prevents wrinkles in the film to be lifted even with a suction element.
  • the two components inner punch and wall ring are mutually variable position, thus they can react flexibly to certain application situations. It is thus provided that, before the suction element is applied to the film, the wall ring projects freely beyond the inner punch. The suction element is thus initially applied to the film with the wall ring. During the further investment of the inner punch, the system is retained by the wall ring, the assignment of inner punch and wall ring changes it. With the first concern of Wandungsringes is a large area coverage of the area of the film reaches, which is to be raised. Large-area, non-punctiform donning, prevents wrinkles.
  • the inner punch according to a development of the invention has a plane bearing surface. At this planar contact surface, the portion of the film to be lifted also laid flat on z. B. after introduction of a protective gas, the raised portion of the film with the suction element can be returned to its original position, finally, the film is sealed in total on the edge of the container.
  • suction element is slidably received in the upper tool.
  • Fig. 1 the container 1 is received in a lower tool 2 resting.
  • the container 1 lies with its peripheral edge 3 on projections of the lower tool 2.
  • a food 4 is arranged, while the container 1 is already partially, namely in the central region of two opposite longitudinal edges sealed with a film 5.
  • the food received in the container 1 of a treatment for. As a cooking, or be supplied.
  • the upper tool 6 has a further tool, namely the suction element 8 according to the invention.
  • a vacuum line 9 is connected, the connection is made to an inner punch 10 of the suction element 8.
  • This inner punch 10th is surrounded by a wall ring 11, while the wall ring 11 relative to the inner punch 10 is variable in position, namely displaceable in coaxial alignment with the vacuum line 9.
  • FIG. 2 the upper tool 6 is placed on the lower tool 2.
  • the suction element 8 is placed with its wall ring 11 on a portion of the film 5.
  • Arrows 12 show that a vacuum is now applied to the film 5 with the suction element 8.
  • Fig. 3 is due to the action of the vacuum from the vacuum line 9, a portion of the film 5 is lifted from the edge 3 of the container 1. During this lifting the Wandungsring 11 was moved relative to the inner punch 10 upwards. Wall ring 11 and inner punch 10 are now together on the film 5, the inner punch 10 has a flat contact surface, to which the film 5 is applied plan.
  • Fig. 4 again shows the state of the device Fig. 3 that is, the lifting of the portion of the film 5.
  • a protective gas is now fed into the interior of the container 1 via a protective gas line 14.
  • arrows 15 illustrate that the protective gas exits at one of the protective gas line 14 opposite end of the container 1 from this again. Since the film 5 is not sealed in this area on the peripheral edge 3, the film 5 can be lifted here by the inert gas from the container 1, so that a discharge path for the protective gas in a discharge line 16 is free.
  • the vacuum is continuously applied to the raised area of the film 5 in the region of the suction element 8.
  • a vacuum can be applied to the container 1 or to the entire lower die 2.
  • Fig. 5 shows the last step, namely the complete sealing of the container 1 with the film 5.
  • the sealant 7 is moved downwards until it in the in Fig. 5 shown position. No vacuum is applied to the suction element 8, so that the portion of the film 5 associated with this suction element 8 is again placed on the peripheral edge 3 of the container 1.

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

Abstract

Bei einer Vorrichtung zum Versiegeln von Behältern mit zumindest einer Folie, umfassend ein Unterwerkzeug mit Halteaufnahmen für die Behälter und umfassend ein Oberwerkzeug zum Aufsiegeln der Folie auf Ränder des Behälters, ist vorgesehen, dass dem Oberwerkzeug zumindest ein Saugelement zum abschnittsweisen Anheben der Folie zugeordnet ist, wobei das Saugelement aus zwei zueinander lageveränderlichen Bauteilen ausgebildet ist, ein erstes Bauteil ein Innenstempel mit angeschlossener Vakuumleitung ist und ein zweites Bauelement ein das erste Bauelement zumindest abschnittsweise umlaufender Wandungsring ist. Mit dieser Vorrichtung gelingt das Einführen eines Schutzgases oder auch das Anlegen eines Vakuums in einem bereits teilweisen mit einer Folie versiegelten Behälter.In a device for sealing containers with at least one film, comprising a lower tool with holding receptacles for the containers and comprising an upper tool for sealing the film on edges of the container, it is provided that at least one suction element is associated with the upper tool for partially lifting the film, wherein the suction member is formed of two mutually positionally variable components, a first component is an inner punch with connected vacuum line and a second component is a first component at least partially circumferential walling ring. With this device, the introduction of a protective gas or the application of a vacuum in an already partially sealed with a film container succeeds.

Description

Die Erfindung betrifft eine Vorrichtung zum Versiegeln von Behältern mit zumindest einer Folie, umfassend ein Unterwerkzeug mit Halteaufnahmen für die Behälter und umfassend ein Oberwerkzeug zum Aufsiegeln der Folie auf die Ränder des Behälters.The invention relates to a device for sealing containers with at least one film, comprising a lower tool with holding receptacles for the containers and comprising an upper tool for sealing the film to the edges of the container.

Vorrichtungen der vorbezeichneten Gattung sind aus der Verpackungstechnik bekannt, mit ihnen können Gegenstände in Behältern verpackt werden. Diese Gegenstände können anorganischer Natur sein, beispielsweise Schrauben, Kleinteile oder dergleichen oder es kann sich auch um Lebensmittel handeln.Devices of the aforementioned type are known from packaging technology, with them objects can be packed in containers. These items may be inorganic in nature, such as screws, hardware, or the like, or they may be foodstuffs.

Bei der Verpackung von Lebensmitteln kommt es darauf an, diese Lebensmittel dicht gegenüber Einflüssen von außen zu verpacken. Daher wird eine Siegelung vorgenommen, nämlich die Siegelung einer Folie auf den umlaufenden Rand des Behälters.When packaging food, it is important to package these foods tightly against outside influences. Therefore, a seal is made, namely the seal of a film on the peripheral edge of the container.

In Behältern können Lebensmittel aufgenommen sein, die für den unmittelbaren Verzehr geeignet sind, beispielsweise Schinken oder Käse. Andere bereits zum Verzehr geeignete Lebensmittel können Fertiggerichte sein, die vom Konsumenten nur noch z. B. im Wasserbad oder in der Mikrowelle zu erwärmen sind. Die Zutaten dieser Lebensmittel sind aber bereits gegart worden, bevor sie in den Handel kommen.Containers may contain foods suitable for immediate consumption, such as ham or cheese. Other foods already suitable for human consumption can be ready-to-eat meals that are only consumed by the consumer. B. in a water bath or in the microwave to heat. The ingredients of these foods have already been cooked before they go on sale.

Zum Garen von Lebensmitteln vor endgültigem Versiegeln des Behälters ist in der DE 10 2013 018 629 ein Verfahren beschrieben, bei dem in einen Behälter aufgenommene Lebensmittel mit Mikrowellen behandelt werden, wobei zumindest ein Abschnitt des Randes des Behälters noch nicht mit einer aufgesiegelten Folie belegt ist. Die Folie wird nur auf bestimmte Bereiche aufgesiegelt, dann wird ein Garen der Lebensmittel vorgenommen. Später erfolgt eine endgültige Versiegelung des Behälters über seinen gesamten umlaufenden Rand.For cooking food before final sealing of the container is in the DE 10 2013 018 629 a method is described in which in a container microwaved foods are treated, wherein at least a portion of the edge of the container is not yet covered with a sealed foil. The film is only sealed on certain areas, then a cooking of the food is made. Later, a final sealing of the container takes place over its entire peripheral edge.

Bei dem Garen der Speisen im Behälter entsteht Wärme und es entstehen Dämpfe, diese können aus dem noch nicht vollständig gesiegelten Behälter abgeführt werden. Darüber hinaus kann zur Haltbarmachung der im Behälter angeordneten Lebensmittel ein Schutzgas eingeführt werden, das mit den Lebensmitteln reagierende Gase verdrängt.Cooking food in the container generates heat and creates vapors, which can be removed from the not yet completely sealed container. In addition, for preserving the food arranged in the container, a protective gas can be introduced which displaces gases which react with the food.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der eingangs genannten Gattung aufzuzeigen, mit der das Einführen eines Schutzgases oder auch das Anlegen eines Vakuums in einem bereits teilweise mit einer Folie versiegelten Behälter gelingt.The invention has for its object to provide a device of the type mentioned, with the introduction of a protective gas or the application of a vacuum in a partially sealed with a film container succeeds.

Diese Aufgabe ist erfindungsgemäß dadurch gelöst, dass dem Oberwerkzeug zumindest ein Hebeelement zum abschnittsweisen Anheben der Folie zugeordnet ist, wobei das Saugelement aus zwei zueinander lageveränderlichen Bauteilen ausgebildet ist, ein erstes Bauteil ein Innenstempel mit angeschlossener Vakuumleitung ist und ein zweites Bauelement ein das erste Bauelement zumindest abschnittsweise umlaufender Wandungsring ist.This object is inventively achieved in that the upper tool is assigned at least one lifting element for lifting the film in sections, wherein the suction element is formed from two mutually positionally variable components, a first component is an inner punch with connected vacuum line and a second component, the first component at least partially circumferential wall ring is.

Die erfindungsgemäße Vorrichtung weist nicht nur Unterwerkzeug und Oberwerkzeug zum Versiegeln des Behälters mit der Folie auf, dem Oberwerkzeug ist ein zusätzliches Werkzeug zugeordnet. Dieses Werkzeug ist ein Saugelement, mit dem die Folie angehoben werden kann. Dieses Anheben kann dazu genutzt werden, durch Anlegen eines Vakuums Gase aus dem Inneren des Behälters abzuführen und/oder zumindest ein Schutzgas in das Innere des Behälters einzuführen. Ist die Folie dabei bereits teilweise auf den umlaufenden Rand des Behälters aufgesiegelt, kann auf diese Weise das Schutzgas zielgerichtet in Bereiche unterhalb der bereits teilweise aufgesiegelten Folie geführt werden.The device according to the invention not only has lower tool and upper tool for sealing the container with the film, the upper tool is associated with an additional tool. This tool is a suction element with which the film can be lifted. This lifting can be used to discharge gases from the interior of the container by applying a vacuum and / or at least one protective gas into the container To introduce the interior of the container. If the film is already partially sealed onto the peripheral edge of the container, the protective gas can be directed in this way into areas below the already partially sealed film.

Der abschnittsweise angehobene Bereich der Folie ist nach Zuführen des Schutzgases wieder auf den Rand des Behälters aufzulegen. Dabei und beim Anheben darf die Folie nicht gefaltet oder geknittert werden, da ihre anschließende gasdichte Aufsiegelung auf den Rand sichergestellt sein muss. Nach der Erfindung hat das Saugelement einen Anschluss an eine Vakuumleitung. Das Saugelement weist somit keine mechanisch an der Folie angreifende Elemente auf, dies würde bereits zu einer Verwerfung der Folie, zum Einbringen von Knicken und dergleichen führen. Das Saugelement kann der Folie angenähert werden, durch Anlegen eines entsprechend eingestellten Vakuums kann die Folie an das Saugelement herangeführt werden und nach Ausschalten des Vakuums wieder vom Saugelement weggeführt werden.The sectionally raised area of the film is to be placed on the edge of the container again after supplying the protective gas. During this process and when lifting, the film must not be folded or wrinkled, as its subsequent gas-tight sealing on the edge must be ensured. According to the invention, the suction member has a connection to a vacuum line. The suction element thus has no mechanically on the film engaging elements, this would already lead to a rejection of the film, for introducing kinks and the like. The suction element can be approximated to the film, by applying a correspondingly set vacuum, the film can be brought to the suction element and be led away again from the suction element after switching off the vacuum.

Konstruktiv ist dafür nach der Erfindung vorgesehen, dass das Saugelement aus zwei zueinander lageveränderlichen Bauteilen ausgebildet ist, wobei ein erstes Bauteil ein Innenstempel mit angeschlossener Vakuumleitung ist und ein zweites Bauelement ein das erste Bauelement zumindest abschnittsweise umlaufender Wandungsring ist. Diese Ausbildung verhindert, dass auch bei einem Saugelement Falten in der anzuhebenden Folie auftreten. Die beiden Bauteile Innenstempel und Wandungsring sind zueinander lageveränderlich, dadurch können sie flexibel auf bestimmte Anlegungssituationen reagieren. So ist vorgesehen, dass vor dem Anlegen des Saugelementes an der Folie der Wandungsring über den Innenstempel frei vorsteht. Das Saugelement wird also mit dem Wandungsring zunächst an die Folie angelegt. Während der weiteren Anlage des Innenstempels bleibt die Anlage durch den Wandungsring erhalten, die Zuordnung von Innenstempel und Wandungsring ändert sich dabei. Mit dem zunächst Anliegen des Wandungsringes wird eine großflächige Überdeckung des Bereichs der Folie erreicht, der angehoben werden soll. Großflächiges, nicht punktförmiges Anlegen, verhindert Falten.It is structurally provided for according to the invention that the suction element is formed from two mutually positionally variable components, wherein a first component is an inner punch with connected vacuum line and a second component is a first component at least partially circumferential wall ring. This design prevents wrinkles in the film to be lifted even with a suction element. The two components inner punch and wall ring are mutually variable position, thus they can react flexibly to certain application situations. It is thus provided that, before the suction element is applied to the film, the wall ring projects freely beyond the inner punch. The suction element is thus initially applied to the film with the wall ring. During the further investment of the inner punch, the system is retained by the wall ring, the assignment of inner punch and wall ring changes it. With the first concern of Wandungsringes is a large area coverage of the area of the film reaches, which is to be raised. Large-area, non-punctiform donning, prevents wrinkles.

Das Vakuum wird dann über den Innenstempel an die Folie herangetragen. Dazu hat der Innenstempel nach einer Weiterbildung der Erfindung eine plane Anlagefläche. An diese plane Anlagefläche legt sich der anzuhebende Abschnitt der Folie gleichfalls plan an z. B. nach Einbringen eines Schutzgases kann der angehobene Abschnitt der Folie mit dem Saugelement wieder in seine Ausgangslage zurückgeführt werden, schließlich wird die Folie insgesamt auf den Rand des Behälters aufgesiegelt.The vacuum is then carried over the inner punch to the film. For this purpose, the inner punch according to a development of the invention has a plane bearing surface. At this planar contact surface, the portion of the film to be lifted also laid flat on z. B. after introduction of a protective gas, the raised portion of the film with the suction element can be returned to its original position, finally, the film is sealed in total on the edge of the container.

Schließlich kann noch vorgesehen sein, dass das Saugelement im Oberwerkzeug verschieblich aufgenommen ist.Finally, it can also be provided that the suction element is slidably received in the upper tool.

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

Fig. 1 bis Fig. 6:
Schnittansichten eines in einer erfindungsgemäßen Vorrichtung zum Versiegeln von Behältern aufgenommenen Behälters in voneinander verschiedenen Bearbeitungssituationen der Vorrichtung zu seinem Verschließen.
An embodiment of the invention, from which further inventive features arise, is shown in the drawing. Show it:
Fig. 1 to Fig. 6:
Sectional views of a container accommodated in a device according to the invention for sealing containers in mutually different processing situations of the device for its closure.

In Fig. 1 ist der Behälter 1 in einem Unterwerkzeug 2 aufliegend aufgenommen. Der Behälter 1 liegt mit seinem umlaufenden Rand 3 auf Vorsprüngen des Unterwerkzeugs 2 auf. Im Behälter 1 ist ein Lebensmittel 4 angeordnet, dabei ist der Behälter 1 bereits teilweise, nämlich im zentralen Bereich zweier gegenüber liegender Längsränder mit einer Folie 5 versiegelt. In dem in Fig. 1 gezeigten Zustand kann das im Behälter 1 aufgenommene Lebensmittel einer Behandlung, z. B. einem Garen, zugeführt werden bzw. worden sein.In Fig. 1 the container 1 is received in a lower tool 2 resting. The container 1 lies with its peripheral edge 3 on projections of the lower tool 2. In the container 1, a food 4 is arranged, while the container 1 is already partially, namely in the central region of two opposite longitudinal edges sealed with a film 5. In the in Fig. 1 shown state, the food received in the container 1 of a treatment, for. As a cooking, or be supplied.

Fig. 1 zeigt noch das Oberwerkzeug 6 mit einem Siegelwerkzeug 7. Das Oberwerkzeug 6 weist ein weiteres Werkzeug auf, nämlich das erfindungsgemäße Saugelement 8. An das Saugelement 8 ist eine Vakuumleitung 9 angeschlossen, der Anschluss erfolgt dabei an einen Innenstempel 10 des Saugelementes 8. Dieser Innenstempel 10 ist von einem Wandungsring 11 umschlossen, dabei ist der Wandungsring 11 gegenüber dem Innenstempel 10 lageveränderlich, nämlich in koaxialer Ausrichtung zur Vakuumleitung 9 verschieblich. Fig. 1 The upper tool 6 has a further tool, namely the suction element 8 according to the invention. To the suction element 8, a vacuum line 9 is connected, the connection is made to an inner punch 10 of the suction element 8. This inner punch 10th is surrounded by a wall ring 11, while the wall ring 11 relative to the inner punch 10 is variable in position, namely displaceable in coaxial alignment with the vacuum line 9.

In Fig. 2 ist das Oberwerkzeug 6 auf das Unterwerkzeug 2 aufgelegt. In diesem Zustand ist das Saugelement 8 mit seinem Wandungsring 11 auf einen Abschnitt der Folie 5 aufgelegt. Pfeile 12 zeigen, dass jetzt an die Folie 5 mit dem Saugelement 8 ein Vakuum angelegt wird.In Fig. 2 the upper tool 6 is placed on the lower tool 2. In this state, the suction element 8 is placed with its wall ring 11 on a portion of the film 5. Arrows 12 show that a vacuum is now applied to the film 5 with the suction element 8.

In Fig. 3 ist aufgrund des Einwirkens des Vakuums aus der Vakuumleitung 9 ein Abschnitt der Folie 5 vom Rand 3 des Behälters 1 abgehoben. Während dieses Abhebens wurde der Wandungsring 11 gegenüber dem Innenstempel 10 nach oben verschoben. Wandungsring 11 und Innenstempel 10 liegen jetzt gemeinsam an der Folie 5 an, der Innenstempel 10 hat dabei eine plane Anlagefläche, an die die Folie 5 plan angelegt ist.In Fig. 3 is due to the action of the vacuum from the vacuum line 9, a portion of the film 5 is lifted from the edge 3 of the container 1. During this lifting the Wandungsring 11 was moved relative to the inner punch 10 upwards. Wall ring 11 and inner punch 10 are now together on the film 5, the inner punch 10 has a flat contact surface, to which the film 5 is applied plan.

Fig. 4 zeigt noch einmal den Zustand der Vorrichtung aus Fig. 3, nämlich das Anheben des Abschnitts der Folie 5. Wie mit Pfeilen 13 gezeigt, wird jetzt über eine Schutzgasleitung 14 ein Schutzgas in das Innere des Behälters 1 geführt. Weitere Pfeile 15 verdeutlichen, dass das Schutzgas an einem der Schutzgasleitung 14 gegenüberliegenden Ende des Behälters 1 aus diesem wieder austritt. Da die Folie 5 auch in diesem Bereich noch nicht auf den umlaufenden Rand 3 aufgesiegelt ist, kann sich die Folie 5 hier durch das Schutzgas von dem Behälter 1 abgehoben werden, so dass ein Abführungsweg für das Schutzgas in eine Abführleitung 16 frei ist. Während dieses Spülprozesses mit dem Schutzgas wird im Bereich des Saugelements 8 das Vakuum an den angehobenen Bereich der Folie 5 fortwährend angelegt. Fig. 4 again shows the state of the device Fig. 3 that is, the lifting of the portion of the film 5. As shown by arrows 13, a protective gas is now fed into the interior of the container 1 via a protective gas line 14. Further arrows 15 illustrate that the protective gas exits at one of the protective gas line 14 opposite end of the container 1 from this again. Since the film 5 is not sealed in this area on the peripheral edge 3, the film 5 can be lifted here by the inert gas from the container 1, so that a discharge path for the protective gas in a discharge line 16 is free. During this flushing process with the protective gas, the vacuum is continuously applied to the raised area of the film 5 in the region of the suction element 8.

Beispielsweise vor diesem Spülen mit Schutzgas kann an den Behälter 1 bzw. an das ganze Unterwerkzeug 2 ein Vakuum angelegt werden.For example, before this flushing with protective gas, a vacuum can be applied to the container 1 or to the entire lower die 2.

Fig. 5 zeigt dann den letzten Schritt, nämlich das vollständige Versiegeln des Behälters 1 mit der Folie 5. Dazu wird das Siegelzeug 7 nach unten bewegt, bis es in die in Fig. 5 gezeigte Position gerät. An das Saugelement 8 ist kein Vakuum mehr angelegt, so dass auch der diesem Saugelement 8 zugeordnete Abschnitt der Folie 5 wieder auf den umlaufenden Rand 3 des Behälters 1 aufgelegt ist. Fig. 5 then shows the last step, namely the complete sealing of the container 1 with the film 5. For this purpose, the sealant 7 is moved downwards until it in the in Fig. 5 shown position. No vacuum is applied to the suction element 8, so that the portion of the film 5 associated with this suction element 8 is again placed on the peripheral edge 3 of the container 1.

In Fig. 6 sind das Unterwerkzeug 2 und das Oberwerkzeug 6 wieder voneinander entfernt, der fertiggestellte und versiegelte Behälter 1 kann aus der Vorrichtung entnommen werden.In Fig. 6 the lower tool 2 and the upper tool 6 are again away from each other, the finished and sealed container 1 can be removed from the device.

Claims (4)

Vorrichtung zum Versiegeln von Behältern mit zumindest einer Folie, umfassend ein Unterwerkzeug mit Halteaufnahmen für die Behälter und umfassend ein Oberwerkzeug zum Aufsiegeln der Folie auf Ränder des Behälters,
dadurch gekennzeichnet,
dass dem Oberwerkzeug (6) zumindest ein Saugelement zum abschnittsweisen Anheben der Folie (5) zugeordnet ist, wobei das Saugelement (8) aus zwei zueinander lageveränderlichen Bauteilen ausgebildet ist, ein erstes Bauteil ein Innenstempel (10) mit angeschlossener Vakuumleitung (9) ist und ein zweites Bauelement ein das erste Bauelement zumindest abschnittsweise umlaufender Wandungsring (11) ist.Device for sealing containers with at least one film, comprising a lower tool with holding receptacles for the containers and comprising an upper tool for sealing the film on edges of the container,
characterized,
in that the upper tool (6) is assigned at least one suction element for lifting the film (5) in sections, wherein the suction element (8) is formed from two mutually positionally variable components, a first component is an inner punch (10) with connected vacuum line (9) and a second component is a wall element (11) that at least partially surrounds the first component. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass vor einem Anlegen des Saugelementes (8) an der Folie (5) der Wandungsring (11) über den Innenstempel (10) frei vorsteht.Apparatus according to claim 1, characterized in that before applying the suction element (8) on the film (5) of the wall ring (11) projects freely beyond the inner punch (10). Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der Innenstempel (10) eine plane Anlagefläche zur Anlage an der Folie (5) hat.Apparatus according to claim 2, characterized in that the inner punch (10) has a plane bearing surface for engagement with the film (5). Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Saugelement im Oberwerkzeug (6) verschieblich aufgenommen ist.Device according to one of the preceding claims, characterized in that the suction element in the upper tool (6) is slidably received.
EP15200858.7A 2014-12-18 2015-12-17 Device for sealing containers with at least one film Active EP3034416B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014019016.1A DE102014019016A1 (en) 2014-12-18 2014-12-18 Device for sealing containers with at least one film

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EP3034416A1 true EP3034416A1 (en) 2016-06-22
EP3034416B1 EP3034416B1 (en) 2017-02-01

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CN106428684A (en) * 2016-09-21 2017-02-22 北京小罐茶业有限公司 Container sealing device and method
CN110577021A (en) * 2018-06-11 2019-12-17 莫迪维克西普哈根牧勒股份及两合公司 Skin package, method and sealing station for producing a skin package

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DE102019206392A1 (en) * 2019-05-03 2020-11-05 Multivac Sepp Haggenmüller Se & Co. Kg Tray sealing machine
CN110481858B (en) * 2019-08-27 2021-04-06 瑞安市向阳包装机械厂 Reliable food vacuum packaging machine

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DE102011015561A1 (en) * 2011-03-30 2012-10-04 Multivac Sepp Haggenmüller Gmbh & Co. Kg Sealing tool for use in thermoformed packaging machine for sealing lower film and cover film for manufacturing packaging, comprises sealing tool lower portion, sealing tool upper portion, and sealing plate connected with vacuum pipeline
EP2722281A2 (en) * 2012-10-17 2014-04-23 Jörg von Seggern Maschinenbau GmbH Method for gas-tight packing of objects with film close to the objects that can be deep-drawn using a vacuum
WO2014166940A1 (en) * 2013-04-09 2014-10-16 Cryovac, Inc. Apparatus and process for packaging a product
DE102013018629A1 (en) 2013-11-06 2015-05-07 Karl-Wilhelm Schrade Method and apparatus for packaging convenience food in at least one tray

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US20030131568A1 (en) * 1997-10-06 2003-07-17 Jean-Pierre Rossi Device for packaging products under controlled atmosphere in packages sealed with a film
DE102011015561A1 (en) * 2011-03-30 2012-10-04 Multivac Sepp Haggenmüller Gmbh & Co. Kg Sealing tool for use in thermoformed packaging machine for sealing lower film and cover film for manufacturing packaging, comprises sealing tool lower portion, sealing tool upper portion, and sealing plate connected with vacuum pipeline
EP2722281A2 (en) * 2012-10-17 2014-04-23 Jörg von Seggern Maschinenbau GmbH Method for gas-tight packing of objects with film close to the objects that can be deep-drawn using a vacuum
WO2014166940A1 (en) * 2013-04-09 2014-10-16 Cryovac, Inc. Apparatus and process for packaging a product
DE102013018629A1 (en) 2013-11-06 2015-05-07 Karl-Wilhelm Schrade Method and apparatus for packaging convenience food in at least one tray

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CN106428684A (en) * 2016-09-21 2017-02-22 北京小罐茶业有限公司 Container sealing device and method
CN110577021A (en) * 2018-06-11 2019-12-17 莫迪维克西普哈根牧勒股份及两合公司 Skin package, method and sealing station for producing a skin package
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DE102014019016A1 (en) 2016-06-23

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