EP0071759B1 - Machine for gasifying and sealing packages - Google Patents

Machine for gasifying and sealing packages Download PDF

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Publication number
EP0071759B1
EP0071759B1 EP82105939A EP82105939A EP0071759B1 EP 0071759 B1 EP0071759 B1 EP 0071759B1 EP 82105939 A EP82105939 A EP 82105939A EP 82105939 A EP82105939 A EP 82105939A EP 0071759 B1 EP0071759 B1 EP 0071759B1
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EP
European Patent Office
Prior art keywords
containers
gas
gas feed
towards
feed lines
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP82105939A
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German (de)
French (fr)
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EP0071759A3 (en
EP0071759A2 (en
Inventor
Günther Vögele
Norbert Prof. Dr. Buchner
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Robert Bosch GmbH
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Robert Bosch GmbH
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Publication of EP0071759A2 publication Critical patent/EP0071759A2/en
Publication of EP0071759A3 publication Critical patent/EP0071759A3/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
    • B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
    • B65B55/02—Sterilising, e.g. of complete packages
    • B65B55/025—Packaging in aseptic tunnels
    • 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
    • B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
    • B65B31/043—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzles acting horizontally between an upper and a lower part of the container or wrapper, e.g. between container and lid

Definitions

  • the invention relates to a device for gassing and closing packaging containers according to the preamble of the main claim.
  • a device of this type which has become known, for example, from DE-OS 2421531
  • the gas supply lines protrude between the containers and the film web that tapers towards the container at a flat angle.
  • a uniform gas distribution is achieved when the contents in the containers assume a flat mirror.
  • a device is desirable with which containers can also be closed in a protective gas atmosphere in which, for example, pasty or paste-like filler portions, due to the filler, are filled in the form of a heap in the container, the upper part of the heap projecting beyond the container opening.
  • the device according to the invention with the characterizing features of the main claim has the advantage that the accumulation of the fillings portions, without coming into contact with a foreign body, is distributed in the container by the supported film web with simultaneous flushing with protective gas.
  • the containers can have the shape of a bowl and are connected in a chain-like manner, or it can be used for individual containers such as cups, bowls and the like. Like., Use a transport device with plates, which forms the lower boundary surface for the wedge-shaped fumigation space together with the containers.
  • a gas flow occurs essentially in the form of a serpentine line, so that a clean flushing of the head space of the containers and the accumulation of the filling material occurs , whereby a particularly low gas consumption is achieved.
  • the container-forming, filling and closing device has, in succession, a shaping device 10 in which bowl-shaped containers 2 are formed at equal intervals in a packaging material strip 1, a filling device 11, a gassing device 12 and a closing device 13 in which a film web 3 with the Edges 5 of the contiguous containers 2 are sealed, which are separated by a cutting device 14 after closing.
  • Means 10-13 for forming, filling, gassing and closing the containers 2 are arranged in a chamber 15 in which an aseptic atmosphere is maintained by initially sterilizing and supplying a sterile gas with positive pressure in order to aseptically pack perishable goods, such as e.g. B.
  • a device 12 for supplying an inert gas and maintaining a protective gas atmosphere is arranged in the device between the filling and closing devices 11, 13.
  • the filled containers 2 which are conveyed by a conveyor device (not shown), are carried by a support track 20 and their laterally projecting edges 5 are guided by strips 21.
  • the second deflecting roller 23 is arranged at a distance above the containers 2 such that its lower surface line is at a distance from the top of the containers 2 or their edges 5 which is somewhat larger than the accumulation of the filler portions 4 inserted in the containers 2 In this way, the film web 3 is guided to the closing device 13 in a plane inclined at an acute angle to the plane of the containers 2. Between this deflection roller 23 and the closing device 13, a plate 24 is arranged in a stationary manner, the underside of which lies in the above-described, inclined plane and forms a supporting slideway for the film web 3.
  • a plate 25 adjoins the plate 24, which extends into the U-shaped upper welding tool 26 of the closing device and whose underside runs at a small distance and parallel to the top of the container 2.
  • the plate 24, the strips 21 and the support track 20 are firmly connected to two side plates 28.
  • two pipes 30, 31 tapering in height protrude into the wedge-shaped space delimited by them are connected to a gas distributor 32.
  • the gas distributor 32 is supplied with adjustable gas from a supply of inert gas through a sterile filter 33, a throttle valve 34 and a flow meter 37.
  • the two pipes 30, 31 extend longitudinally in register with the lateral edges 5 of the containers 2 and the film web 3 in the region of the gassing device 12. They have gas outlet openings 35 on the sides facing one another with a flow direction running transversely to the conveying direction of the containers 2.
  • the gas outlet openings 35 are arranged at a distance of two container lengths on a tube 30, 31, namely on the mutually facing sides of the two tubes mutually offset by one container length, so that an essentially serpentine gas flow (arrows) between the film web 3 and the containers 2 at the top and bottom bounded wedge-shaped space from the top, with a combined cross and counter flow in the gassing device 12 is present. With this flow, which also flushes the spaces between the filler portions 4 well, very low oxygen values are achieved in the closed containers 2 with low gas consumption.
  • the film web 3 resting on the edges of the containers 2 at the end of the gassing device 12 is still held down by the shoulder 25 of the plate 24 and sealed by the pressed tools 26, 27 of the closing device 13 by means of a U-shaped sealing seam 6 with the respectively supplied container 2.
  • the transverse seam part forms the rear closure seam of the leading and the front closure seam of the subsequent container 2.
  • contiguous containers 2 are filled, gassed and sealed in a single row.
  • 4 shows, in simplified form, an exemplary embodiment in which two-row, contiguous containers 2 are treated.
  • a gas supply pipe 38 is arranged above the free side edges of a row of containers.
  • Each gas supply pipe 38 has gas outlet openings 35 at a distance of two container lengths, which are arranged offset by one container length.
  • This embodiment according to FIG. 4 is particularly useful for small containers.
  • the embodiment according to FIG. 5 is suitable for treating containers 2 fed in four rows.
  • gas supply pipes 39 are also arranged above the connected side edges of the containers.
  • the arrangement of the gas outlet openings 35 is as described in the exemplary embodiment according to FIGS. 1 to 3.

Description

Die Erfindung geht aus von einer Vorrichtung zum Begasen und Verschließen von Verpakkungsbehältern nach der Gattung des Hauptanspruchs. Bei einer beispielsweise durch die DE-OS 2421531 bekanntgewordenen Vorrichtung dieser Art ragen die Gaszuführungsleitungen zwischen die Behälter und die in flachem Winkel gegen die Schließeinrichtung auf die Behälter zulaufende Folienbahn. Durch die Anordnung der Gaszuführungsleitungen über der Mittelachse einer Behälterreihe wird eine gleichmäßige Gasverteilung erzielt, wenn das Füllgut in den Behältern einen ebenen Spiegel einnimmt. Es ist jedoch eine Vorrichtung wünschenswert, mit der auch Behälter in einer Schutzgasatmosphäre verschlossen werden können, in denen beispielsweise pastöse oder stückigpastöse Füllgutportionen, bedingt durch den Füller, in Form eines Haufens im Behälter eingefüllt sind, wobei der obere Teil des Haufens die Behälteröffnung überragt.The invention relates to a device for gassing and closing packaging containers according to the preamble of the main claim. In a device of this type, which has become known, for example, from DE-OS 2421531, the gas supply lines protrude between the containers and the film web that tapers towards the container at a flat angle. By arranging the gas supply lines over the central axis of a row of containers, a uniform gas distribution is achieved when the contents in the containers assume a flat mirror. However, a device is desirable with which containers can also be closed in a protective gas atmosphere in which, for example, pasty or paste-like filler portions, due to the filler, are filled in the form of a heap in the container, the upper part of the heap projecting beyond the container opening.

Die erfindungsgemäße Vorrichtung mit den kennzeichnenden Merkmalen des Hauptanspruchs hat den Vorteil, daß die Überhäufung der Füllgutportionen, ohne mit einem Fremdkörper in Berührung zu kommen, von der gestützten Folienbahn bei gleichzeitiger Umspülung mit Schutzgas im Behälter verteilt wird. Die Behälter können die Form einer Schale haben und kettenförmig zusammenhängen, oder es kann bei Einzelbehältern, wie Becher, Schalen u. dgl., eine Transportvorrichtung mit Platten Verwendung finden, die zusammen mit den Behältern die untere Begrenzungsfläche für den keilförmigen Begasungsraum bildet.The device according to the invention with the characterizing features of the main claim has the advantage that the accumulation of the fillings portions, without coming into contact with a foreign body, is distributed in the container by the supported film web with simultaneous flushing with protective gas. The containers can have the shape of a bowl and are connected in a chain-like manner, or it can be used for individual containers such as cups, bowls and the like. Like., Use a transport device with plates, which forms the lower boundary surface for the wedge-shaped fumigation space together with the containers.

Durch die in den Unteransprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen der im Hauptanspruch angegebenen Vorrichtung möglich. Bei einer besonders vorteilhaften Ausgestaltung der Erfindung, bei der die Gasaustrittsöffnungen wechselweise versetzt an den beiden einander zugekehrten Seiten der Gaszuführungsleitungen angeordnet sind, stellt sich eine Gasströmung im wesentlichen in Form einer Schlangenlinie ein, so daß eine saubere Spülung des Kopfraumes der Behälter und der Füllgutüberhäufung auftritt, wobei ein besonders niedriger Gasverbrauch erzielt wird.Advantageous developments of the device specified in the main claim are possible through the measures listed in the subclaims. In a particularly advantageous embodiment of the invention, in which the gas outlet openings are arranged alternately offset on the two mutually facing sides of the gas supply lines, a gas flow occurs essentially in the form of a serpentine line, so that a clean flushing of the head space of the containers and the accumulation of the filling material occurs , whereby a particularly low gas consumption is achieved.

Ausführungsbeispiele der Erfindung sind in der Zeichnung dargestellt und in der nachfolgenden Beschreibung näher erläutert. Es zeigt

  • Fig. 1 eine Behälter-Form-, Füll- und Schließvorrichtung vereinfacht im Querschnitt,
  • Fig. 2 eine Begasungseinrichtung der Vorrichtung nach Fig. 1 im Längsschnitt in der Ebene 11-11 der Fig. 1,
  • Fig. 3 die Begasungseinrichtung nach Fig. 2 im Querschnitt in der Ebene 111-111 der Fig. 2,
  • Fig. eine Begasungseinrichtung für zweireihig zugeführte Behälter vereinfacht in Draufsicht und
  • Fig. 5 eine Begasungseinrichtung für vierreihig zugeführte Behälter vereinfacht in Draufsicht.
Embodiments of the invention are shown in the drawing and explained in more detail in the following description. It shows
  • 1 a container-form, fill and close device simplified in cross section,
  • 2 shows a gassing device of the device of FIG. 1 in longitudinal section in the plane 11-11 of FIG. 1,
  • 3 shows the gassing device according to FIG. 2 in cross section in the plane 111-111 of FIG. 2,
  • Fig. A gassing device for two-row containers simplified in plan view and
  • Fig. 5 shows a gassing device for four-row containers simplified in plan view.

Die Behälter-Form-, Füll- und Schließvorrichtung hat hintereinander eine Formeinrichtung 10, in der in ein Packstoffband 1 schalenförmige Behälter 2 in gleichen Abständen geformt werden, eine Fülleinrichtung 11, eine Begasungseinrichtung 12 und eine Schließeinrichtung 13, in der eine Folienbahn 3 mit den Rändern 5 der zusammenhängenden Behälter 2 versiegelt wird, die nach dem Verschließen von einer Schneideinrichtung 14 vereinzelt werden. Die Einrichtungen 10-13 zum Formen, Füllen, Begasen und Verschließen der Behälter 2 sind in einer Kammer 15 angeordnet, in der durch anfängliches Sterilisieren und Zuführen eines sterilen Gases mit Überdruck eine aseptische Atmosphäre aufrechterhalten wird, um ein keimfreies Verpacken von verderblichem Gut, wie z. B. Nahrungsmitteln zu gewährleisten. Um auch den Sauerstoff der Luft auszuschließen, in dessen Anwesenheit insbesondere fetthaltige Nahrungsmittel und auch Tierfutter verderben, ist in der Vorrichtung zwischen der Füll- und der Schließeinrichtung 11, 13 eine Einrichtung 12 zum Zuführen eines inerten Gases und Aufrechterhalten einer Schutzgasatmosphäre angeordnet.The container-forming, filling and closing device has, in succession, a shaping device 10 in which bowl-shaped containers 2 are formed at equal intervals in a packaging material strip 1, a filling device 11, a gassing device 12 and a closing device 13 in which a film web 3 with the Edges 5 of the contiguous containers 2 are sealed, which are separated by a cutting device 14 after closing. Means 10-13 for forming, filling, gassing and closing the containers 2 are arranged in a chamber 15 in which an aseptic atmosphere is maintained by initially sterilizing and supplying a sterile gas with positive pressure in order to aseptically pack perishable goods, such as e.g. B. To ensure food. In order to also exclude the oxygen in the air, in the presence of which, in particular, fatty foods and animal feed spoil, a device 12 for supplying an inert gas and maintaining a protective gas atmosphere is arranged in the device between the filling and closing devices 11, 13.

Im Bereich der Begasungseinrichtung 12 werden die von einer nicht dargestellten Fördereinrichtung geförderten, gefüllten Behälter 2 von einer Stützbahn 20 getragen und ihre seitlich abstehenden Ränder 5 von Leisten 21 geführt. Die Folienbahn 3, die nach Durchlaufen einer nicht gezeigten Sterilisiereinrichtung durch einen Kanal 16 in die Kammer 15 eintritt, wird über zwei Umlenkwalzen 22, 23 geleitet, so daß sie auf einer bestimmten Strecke vor der Schließeinrichtung 13 oberhalb der Behälter 2 verläuft. Dazu ist die zweite Umlenkwalze 23 in einem Abstand über den Behältern 2 so angeordnet, daß ihre untere Mantellinie von der Oberseite der Behälter 2 bzw. deren Rändern 5 einen Abstand hat, der etwas größer ist als die Überhäufung der in den Behältern 2 eingesetzten Füllgutportionen 4 Auf diese Weise wird die Folienbahn 3 in einer in spitzem Winkel zur Ebene der Behälter 2 geneigt verlaufenden Ebene zur Schließeinrichtung 13 geführt. Zwischen dieser Umlenkwalze 23 und der Schließeinrichtung 13 ist eine Platte 24 ortsfest angeordnet, deren Unterseite in der oben beschriebenen, geneigt verlaufenden Ebene liegt und eine stützende Gleitbahn für die Folienbahn 3 bildet. Wenig vor der Vorderkante der Schließeinrichtung 13 schließt sich an die Platte 24 ein Ansatz 25 an, der sich in das U-förmig ausgebildete, obere Schweißwerkzeug 26 der Schließeinrichtung hinein erstreckt und dessen Unterseite in geringem Abstand und parallel zur Oberseite der Behälter 2 verläuft. Die Platte 24, die Leisten 21 und die Stützbahn 20 sind mit zwei Seitenplatten 28 fest verbunden. Zwischen der Platte 24 und den Leisten 21 ragen in den von diesen begrenzten keilförmigen Raum zwei sich in ihrer Höhe verjüngende Rohre 30, 31. welche an einem Gasverteiler 32 angeschlossen sind. Dem Gasverteiler 32 wird von einem Vorrat inertes Gas durch ein Sterilfilter 33, ein Drosselventil 34 und einen Mengenmesser 37 einstellbar zugeführt.In the area of the gassing device 12, the filled containers 2, which are conveyed by a conveyor device (not shown), are carried by a support track 20 and their laterally projecting edges 5 are guided by strips 21. The film web 3, which after passing through a sterilization device, not shown, enters the chamber 15 through a channel 16, is guided over two deflecting rollers 22, 23 so that it runs above the container 2 over a certain distance in front of the closing device 13. For this purpose, the second deflecting roller 23 is arranged at a distance above the containers 2 such that its lower surface line is at a distance from the top of the containers 2 or their edges 5 which is somewhat larger than the accumulation of the filler portions 4 inserted in the containers 2 In this way, the film web 3 is guided to the closing device 13 in a plane inclined at an acute angle to the plane of the containers 2. Between this deflection roller 23 and the closing device 13, a plate 24 is arranged in a stationary manner, the underside of which lies in the above-described, inclined plane and forms a supporting slideway for the film web 3. Shortly before the front edge of the closing device 13, a plate 25 adjoins the plate 24, which extends into the U-shaped upper welding tool 26 of the closing device and whose underside runs at a small distance and parallel to the top of the container 2. The plate 24, the strips 21 and the support track 20 are firmly connected to two side plates 28. Between the plate 24 and the strips 21, two pipes 30, 31 tapering in height protrude into the wedge-shaped space delimited by them are connected to a gas distributor 32. The gas distributor 32 is supplied with adjustable gas from a supply of inert gas through a sterile filter 33, a throttle valve 34 and a flow meter 37.

Die beiden Rohre 30, 31 erstrecken sich längs in Deckung mit den seitlichen Rändern 5 der Behälter 2 und der Folienbahn 3 im Bereich der Begasungseinrichtung 12. Sie haben auf den einander zugekehrten Seiten Gasaustrittsöffnungen 35 mit einer quer zur Förderrichtung der Behälter 2 verlaufenden Strömungsrichtung. Die Gasaustrittsöffnungen 35 sind im Abstand von zwei Behälterlängen an einem Rohr 30, 31 angeordnet, und zwar an den einander zugekehrten Seiten der beiden Rohre wechselseitig um je eine Behälterlänge versetzt, so daß ein im wesentlichen schlangenlinienförmiger Gasstrom (Pfeile) den zwischen der Folienbahn 3 und den Behältern 2 oben und unten begrenzten keilförmigen Raum von der Spitze her durchzieht, wobei eine kombinierte Quer- und Gegenströmung in der Begasungseinrichtung 12 vorhanden ist. Mit dieser Strömung, die auch die Zwischenräume zwischen den Füllgutportionen 4 gut durchspült, werden bei geringem Gasverbrauch sehr niedrige Sauerstoffwerte in den verschlossenen Behältern 2 erzielt.The two pipes 30, 31 extend longitudinally in register with the lateral edges 5 of the containers 2 and the film web 3 in the region of the gassing device 12. They have gas outlet openings 35 on the sides facing one another with a flow direction running transversely to the conveying direction of the containers 2. The gas outlet openings 35 are arranged at a distance of two container lengths on a tube 30, 31, namely on the mutually facing sides of the two tubes mutually offset by one container length, so that an essentially serpentine gas flow (arrows) between the film web 3 and the containers 2 at the top and bottom bounded wedge-shaped space from the top, with a combined cross and counter flow in the gassing device 12 is present. With this flow, which also flushes the spaces between the filler portions 4 well, very low oxygen values are achieved in the closed containers 2 with low gas consumption.

Die von der Fülleinrichtung 11 in die Behälter 2 abgesetzten Füllgutportionen 4, die aufgrund der pastösen, breiigen oder breiig-stückigen Konsistenz des Guts die Neigung zur Anhäufung haben, werden in den Behältern 2 als Haufen mit die Behälteröffnung überragendem Gipfel abgefüllt. Während diese Haufen von Schutzgas umspült werden, drückt die geneigt zulaufende Folienbahn 3, unterstützt von der Platte 24, die Gipfel der Haufen beim Vorrücken der Behälter 2 und der Folienbahn 3 nieder und verteilt das Gut gleichmäßig in den Behälter 2.The filler portions 4, which are deposited by the filling device 11 into the container 2 and have a tendency to accumulate due to the pasty, pulpy or pulpy consistency of the material, are filled in the containers 2 as piles with the top projecting above the container opening. While these heaps of protective gas are being washed around, the inclined film web 3, supported by the plate 24, presses down the peaks of the heaps as the containers 2 and the film web 3 advance and distributes the material evenly into the container 2.

Die am Ende der Begasungseinrichtung 12 auf den Rändern der Behälter 2 aufliegende Folienbahn 3 wird vom Ansatz 25 der Platte 24 noch niedergehalten und von den aufeinandergedrückten Werkzeugen 26, 27 der Schließeinrichtung 13 mittels einer U-förmigen Siegelnaht 6 mit dem jeweils zugeführten Behälter 2 versiegelt, wobei der Quernahtteil jeweils die hintere Verschlußnaht des vorauslaufenden und die vordere Verschlußnaht des nachfolgenden Behälters 2 bildet. Nach Austritt der noch miteinander verbundenen Behälter 2 durch einen Auslaßschlitz 36 in der Kammer 15 werden die verschlossenen Behälter 2 von der Schneideinrichtung 14 vereinzelt.The film web 3 resting on the edges of the containers 2 at the end of the gassing device 12 is still held down by the shoulder 25 of the plate 24 and sealed by the pressed tools 26, 27 of the closing device 13 by means of a U-shaped sealing seam 6 with the respectively supplied container 2. the transverse seam part forms the rear closure seam of the leading and the front closure seam of the subsequent container 2. After the containers 2, which are still connected to one another, exit through an outlet slot 36 in the chamber 15, the closed containers 2 are separated by the cutting device 14.

Beim beschriebenen Ausführungsbeispiel werden in einer einzigen Reihe zusammenhängende Behälter 2 gefüllt, begast und verschlossen. In Fig. 4 ist vereinfacht ein Ausführungsbeispiel gezeigt, bei dem zweireihigen zusammenhängende Behälter 2 behandelt werden. Es ist je ein Gaszuführungsrohr 38 über den freien Seitenrändern einer Behälterreihe angeordnet. Jedes Gaszuführungsrohr 38 hat im Abstand von zwei Behälterlängen Gasaustrittsöffnungen 35, die um eine Behälterlänge versetzt angeordnet sind.In the described embodiment, contiguous containers 2 are filled, gassed and sealed in a single row. 4 shows, in simplified form, an exemplary embodiment in which two-row, contiguous containers 2 are treated. A gas supply pipe 38 is arranged above the free side edges of a row of containers. Each gas supply pipe 38 has gas outlet openings 35 at a distance of two container lengths, which are arranged offset by one container length.

Insbesondere bei kleinen Behältern ist diese Ausführungsform nach Fig.4 brauchbar. Das Ausführungsbeispiel nach Fig. 5 ist geeignet, vierreihig zugeführte Behälter 2 zu behandeln. Hier sind außer über den freien Rändern der Behälter 2 auch über den zusammenhängenden Seitenrändern der Behälter Gaszuführungsrohre 39 angeordnet. Die Anordnung der Gasaustrittsöffnungen 35 ist dabei so wie bei dem Ausführungsbeispiel nach den Fig. 1 bis 3 beschrieben.This embodiment according to FIG. 4 is particularly useful for small containers. The embodiment according to FIG. 5 is suitable for treating containers 2 fed in four rows. Here, in addition to the free edges of the containers 2, gas supply pipes 39 are also arranged above the connected side edges of the containers. The arrangement of the gas outlet openings 35 is as described in the exemplary embodiment according to FIGS. 1 to 3.

Claims (4)

1. Device for charging filled packaging containers (2) with gas and closing them with a film web (3), having a closing device (13) which seals the film web to the edge of the opening of the containers, a film guide which feeds the fiim web towards the containers in a plane which is inclined, relative to the movement plane of the containers, towards the closing device, and gas feed lines protruding towards the closing device into the space between the film web, running in at an inclination, and the containers, characterised in that the film guide has a sliding track (24) covering the inclined plane, and that the gas feed lines (30, 31; 38, 39) extend beyond the side edges (5) of the containers (2) and have gas outlet orifices (35) pointing towards one another, in such a way that, in the substantially wedge- shaped space formed by the containers, by the film web (3), supported by the sliding plate, and the gas feed lines, a flow of the protective gas, penetrating in between the heat filling material in the containers, is generated transversely to the direction of movement of the containers.
2 Device according to Claim 1, characterised in that the gas outlet orifices (35) are arranged on mutually facing sides of the gas feed lines (30, 31; 38, 39) with an alternating mutual offset in the longitudinal direction of the lines.
3. Device according to Claim 2, characterised in that the gas outlet orifices (35) are arranged on a gas feed line (30, 31; 38, 39) at a spacing of two container lengths.
4. Device according to one of Claims 1 to 3, characterised in that inclined sliding track of the film guide is formed by a plate (24) which is arranged in a fixed position and which, together with the guide strips (21) for the free side edges (5) of the containers (2), the containers (2) and the gas feed lines (30, 31; 38, 39), forms a space which tapers towards the closing device (13).
EP82105939A 1981-08-01 1982-07-03 Machine for gasifying and sealing packages Expired EP0071759B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3130616 1981-08-01
DE19813130616 DE3130616A1 (en) 1981-08-01 1981-08-01 DEVICE FOR FUMING AND SEALING PACKAGING CONTAINERS

Publications (3)

Publication Number Publication Date
EP0071759A2 EP0071759A2 (en) 1983-02-16
EP0071759A3 EP0071759A3 (en) 1983-04-27
EP0071759B1 true EP0071759B1 (en) 1985-04-17

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EP82105939A Expired EP0071759B1 (en) 1981-08-01 1982-07-03 Machine for gasifying and sealing packages

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US (1) US4472924A (en)
EP (1) EP0071759B1 (en)
JP (1) JPS5830923A (en)
DE (2) DE3130616A1 (en)

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DE3263118D1 (en) 1985-05-23
JPS5830923A (en) 1983-02-23
DE3130616A1 (en) 1983-02-17
EP0071759A3 (en) 1983-04-27
US4472924A (en) 1984-09-25
EP0071759A2 (en) 1983-02-16

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