EP0071759A2 - Machine for gasifying and sealing packages - Google Patents

Machine for gasifying and sealing packages Download PDF

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Publication number
EP0071759A2
EP0071759A2 EP82105939A EP82105939A EP0071759A2 EP 0071759 A2 EP0071759 A2 EP 0071759A2 EP 82105939 A EP82105939 A EP 82105939A EP 82105939 A EP82105939 A EP 82105939A EP 0071759 A2 EP0071759 A2 EP 0071759A2
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EP
European Patent Office
Prior art keywords
containers
gas supply
container
gas
supply 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.)
Granted
Application number
EP82105939A
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German (de)
French (fr)
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EP0071759B1 (en
EP0071759A3 (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or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied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-24 21 531
  • 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, paste-like or paste-like pasty filler portions, due to the filler Form of a pile are filled in the container, the upper part of the pile protruding 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 portions of the filling material is distributed without being in contact with a foreign body from the supported film web with simultaneous flushing with protective gas in the container.
  • the container may have the form of a shell and a chain-like linked, or it may in individual containers, such as cups, bowls ud g l., Will find a transport device with plates using constituting 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.
  • FIG. 1 shows a container form, filling and closing device in simplified cross section
  • FIG. 2 shows a gassing device of the device according to FIG. 1 in longitudinal section in the plane II-II of FIG. 1
  • FIG. 3 shows the gassing device according to FIG 2 in cross section in the plane III-III of FIG. 2
  • FIG. 4 a gassing device for containers fed in two rows simplified in plan view
  • FIG. 5 a gassing device for containers fed in four rows simplified in plan view.
  • 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.
  • the devices 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 overpressure in order to ensure sterile packaging of perishable goods such as foodstuffs.
  • 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 so 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 that Accumulation of the filler portions 4 used in the containers 2.
  • a plate 24 is arranged in a stationary manner, the underside of which lies in the inclined plane described above 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.
  • 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 tubes 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 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 thoroughly flushes the spaces between the contents 4, 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-together tools 26, 27 of the closing device 13 by means of a U-shaped sealing seam 6 with the respectively supplied container 2. wherein 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.
  • contiguous containers 2 are filled, gassed and sealed in a single row.
  • 4 shows, in simplified form, an exemplary embodiment in which containers 2 connected in two rows 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 described as in the exemplary embodiment according to FIGS. 1 to 3.

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

Abstract

Es wird eine Vorrichtung zum Formen, Füllen und Verschließen von Verpackungsbehältern (2) vorgeschlagen. Um bei Verpackungsbehältern, die mit einer Folienbahn (3) verschlossen werden, im Kopfraum eine inerte Gasatmosphäre zu schaffen und um Füllgutportionen (4) in den Behältern zu verteilen, hat die Vorrichtung eine Begasungseinrichtung (12) mit einem sich zur Schließeinrichtung (13) hin verjüngenden Raum. Dieser Raum wird oben von der zulaufenden, von einer Gleitbahn (24) gestützten Folienbahn und unten von den Behältern begrenzt. In diesen Raum ragen in Förderrichtung und in Deckung mit den seitlichen Rändern (5) der Behälter Gaszuführungsleitunden (30, 31; 38, 39), welche quer zu ihrer Längsachse gerichtete Gasaustrittsöffnungen (35) haben. An einander gegenüberliegenden Seiten der Gaszuführungsleitungen sind die Austrittsöffnungen versetzt angeordnet.A device for forming, filling and closing packaging containers (2) is proposed. In order to create an inert gas atmosphere in the head space in packaging containers which are closed with a film web (3) and to distribute portions of filling material (4) in the containers, the device has a gassing device (12) with a closing device (13) rejuvenating space. This space is delimited at the top by the incoming foil track supported by a slideway (24) and at the bottom by the containers. In this direction project in the conveying direction and in coincidence with the lateral edges (5) of the containers gas supply guide ducts (30, 31; 38, 39) which have gas outlet openings (35) directed transversely to their longitudinal axis. The outlet openings are arranged offset on opposite sides of the gas supply lines.

Description

Stand der TechnikState of the art

Die Erfindung geht aus von einer Vorrichtung zum Begasen und Verschließen von Verpackungsbehältern nach der Gattung des Hauptanspruchs. Bei einer beispielsweise durch die DE-OS-24 21 531 bekannt gewordenen 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-24 21 531, 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, paste-like or paste-like pasty filler portions, due to the filler Form of a pile are filled in the container, the upper part of the pile protruding beyond the container opening.

Vorteile der ErfindungAdvantages of the invention

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 portions of the filling material is distributed without being in contact with a foreign body from the supported film web with simultaneous flushing with protective gas in the container. The container may have the form of a shell and a chain-like linked, or it may in individual containers, such as cups, bowls ud g l., Will find a transport device with plates using constituting 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.

Zeichnungdrawing

Ausführungsbeispiele der Erfindung sind in der Zeichnung dargestellt und in der nachfolgenden Beschreibung näher erläutert. Es zeigen 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 II - II der Fig. 1, Fig. 3 die Begasungseinrichtung nach Fig. 2 im Querschnitt in der Ebene III - III der Fig. 2, Fig. 4 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. 1 shows a container form, filling and closing device in simplified cross section, FIG. 2 shows a gassing device of the device according to FIG. 1 in longitudinal section in the plane II-II of FIG. 1, FIG. 3 shows the gassing device according to FIG 2 in cross section in the plane III-III of FIG. 2, FIG. 4 a gassing device for containers fed in two rows simplified in plan view and FIG. 5 a gassing device for containers fed in four rows simplified in plan view.

Beschreibung der ErfindungDescription of the invention

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. The devices 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 overpressure in order to ensure sterile packaging of perishable goods such as foodstuffs. 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 so 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 that Accumulation of the filler portions 4 used 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 inclined plane described above 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 project into the wedge-shaped space delimited by them, two pipes 30, 31 tapering in height, which 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 tubes 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 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 thoroughly flushes the spaces between the contents 4, 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 Behältern 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 piles of protective gas are being flushed around, the inclined film web 3, supported by the plate 24, presses the peaks of the piles when the containers 2 and the film web 3 advance and distribute the material evenly in the containers 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-together tools 26, 27 of the closing device 13 by means of a U-shaped sealing seam 6 with the respectively supplied container 2. wherein 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 zweireihig 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 exemplary embodiment described, contiguous containers 2 are filled, gassed and sealed in a single row. 4 shows, in simplified form, an exemplary embodiment in which containers 2 connected in two rows 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 described as in the exemplary embodiment according to FIGS. 1 to 3.

Claims (4)

1. Vorrichtung zum Begasen und Verschließen von gefüllten Verpackungsbehältern mit einer Folienbahn,mit einer die Folienbahn mit dem Öffnungsrand der Behälter versiegelnden Schließeinrichtung, mit einer die Folienbahn in einer zur Förderebene der Behälter gegen die Schließeinrichtung geneigten Ebene auf die Behälter zuleitenden Folienführung und mit zwischen die geneigt zulaufende Folienbahn und die Behälter gegen die Schließeinrichtung ragende Gaszuführungsleitungen, dadurch gekennzeichnet, daß die Folienführung eine die geneigte Ebene deckende Gleitbahn (24) hat, und daß sich die Gaszuführungsleitungen (30, 31; 38, 39) über den seitlichen Rändern (5) der Behälter (2) erstrecken und gegeneinander gerichtete Gasaustrittsöffnungen (35) aufweisen, derart, daß in dem von den Behältern von der von der Gleitbahn gestützten Folienbahn (3) und von den Gaszuführungsleitungen gebildeten, im wesentlichen keilförmigen Raum eine zwischen Füllgutanhäufungen in den Behältern dringende Querströmung des Schutzgases erzeugt wird.1. Apparatus for gassing and closing filled packaging containers with a film web, with a closing device sealing the film web with the opening edge of the container, with a film guide in a plane inclined towards the conveying plane of the containers against the closing device and with between the film guide inclined film web and the gas supply lines projecting against the closing device, characterized in that the film guide has a slideway (24) covering the inclined plane, and d the gas supply lines (30, 31; 38, 39) ate above the lateral edges (5 ) of the container (2) extend and have gas outlet openings (35) directed towards one another, such that in the essentially wedge-shaped space formed by the containers by the film web (3) supported by the slide and by the gas supply lines, there is a space between accumulations of contents in the containers urgent cross flow of the protective gas is generated. 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Gasaustrittsöffnungen (35) an einander zugekehrten Seiten der Gaszuführungsleitungen (30, 31; 38, 39) in Längsrichtung der Leitungen wechselseitig versetzt zueinander angeordnet sind.2. Device according to claim 1, characterized in that the gas outlet openings (35) on mutually facing sides of the gas supply lines (30, 31; 38, 39) are mutually offset in the longitudinal direction of the lines. 3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Gasaustrittsöffnungen (35) im Abstand zweier Behälterlängen an einer Gaszuführungsleitung (30, 31; 38, 39) angeordnet sind.3. Apparatus according to claim 2, characterized in that the gas outlet openings (35) are arranged at a distance of two container lengths on a gas supply line (30, 31; 38, 39). 4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die geneigte Gleitbahn der Folienführung von einer ortsfest angeordneten Platte (24) gebildet wird, die zusammen mit Führungsleisten (21) für die freien seitlichen Ränder (5) der Behälter (2), den Behältern (2) und den Gaszuführungsleitungen (30, 31; 38,39) einen sich zur Schließeinrichtung (13) hin verjüngenden Raum begrenzt.4. Device according to one of claims 1 to 3, characterized in that the inclined slideway of the film guide is formed by a stationary plate (24) which together with guide strips (21) for the free lateral edges (5) of the container (2nd ), the containers (2) and the gas supply lines (30, 31; 38, 39) delimit a space that tapers towards the locking 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)

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EP0071759A2 true EP0071759A2 (en) 1983-02-16
EP0071759A3 EP0071759A3 (en) 1983-04-27
EP0071759B1 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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Also Published As

Publication number Publication date
DE3263118D1 (en) 1985-05-23
EP0071759B1 (en) 1985-04-17
EP0071759A3 (en) 1983-04-27
JPS5830923A (en) 1983-02-23
US4472924A (en) 1984-09-25
DE3130616A1 (en) 1983-02-17

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