EP0220221B1 - Verfahren zum inertisieren von luftdichten verpackungen und vorrichtung zur durchführung - Google Patents

Verfahren zum inertisieren von luftdichten verpackungen und vorrichtung zur durchführung Download PDF

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Publication number
EP0220221B1
EP0220221B1 EP86902433A EP86902433A EP0220221B1 EP 0220221 B1 EP0220221 B1 EP 0220221B1 EP 86902433 A EP86902433 A EP 86902433A EP 86902433 A EP86902433 A EP 86902433A EP 0220221 B1 EP0220221 B1 EP 0220221B1
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EP
European Patent Office
Prior art keywords
packagings
inert
injection
packaging
rendering
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
EP86902433A
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English (en)
French (fr)
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EP0220221A1 (de
Inventor
Jean-Luc Mizandjian
Jean-Louis Pean
Jean Amen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MONO-EMBALLAGES
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
MONO-EMBALLAGES
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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Application filed by MONO-EMBALLAGES, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical MONO-EMBALLAGES
Priority to AT86902433T priority Critical patent/ATE41903T1/de
Publication of EP0220221A1 publication Critical patent/EP0220221A1/de
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/04—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or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied

Definitions

  • the present invention relates to a method for inerting sealed packaging for liquid, pasty, solid and powdery products; and installation of implementation.
  • US-A-3,942,301 has proposed a discontinuous process, limited to low-flow packaging machines, according to which deoxygenations are carried out under an inert atmosphere by means of a series of two or three simple injections, namely : an injection of inert gas into the empty packaging; an injection of inert gas at the level of the filled packages running on the chain, an injection of inert gas at the level of the packages filled just before closing.
  • the target set corresponding to residual oxygen gas below 2% is very difficult to achieve on industrial packaging equipment.
  • a process has been found whose inerting efficiency on industrial packaging equipment is excellent and meets the requirement for a residual oxygen gas content of less than 2% in the air above the packaging.
  • This process constitutes an improvement to the processes using together or separately deoxygenation of the empty packages in the packaging area, and deoxygenation of the packages after filling, said deoxygenations being carried out by means of injections of inert fluid in the upper part of the container. packaging and directed to the bottom of it.
  • each of these deoxygenations is carried out under an inert atmosphere, by means of two simultaneous injections of inert fluid.
  • the deoxygenation or purging of empty or filled packages is carried out by means of a distribution network of said fluid and the inert atmosphere is created by injection of inert fluid distributed above the packages.
  • the packages can be subjected to a double gas purge before filling and on the other hand after filling.
  • the product to be packaged can be deoxygenated by an inert gas, followed by a phase of settling of the gas bubbles.
  • the fluids, liquids or gases used for the deoxygenation of the product, to be conditioned or the inerting of the packages, are designated as inert gases, that is to say fluids whose action is opposed to biochemical alterations or microbiological caused by oxygen.
  • the inert fluid can denote nitrogen in gaseous or liquid form, which is inert and intervenes by the anaerobic conditions which it creates with respect to microbial species. It is also possible to use with interest a bacteriostatic gas with an inhibiting effect against numerous microorganisms, such as carbon dioxide (C0 2 ), or a nitrogen-carbon dioxide mixture.
  • a bacteriostatic gas with an inhibiting effect against numerous microorganisms, such as carbon dioxide (C0 2 ), or a nitrogen-carbon dioxide mixture.
  • the inert packaging of inert packaging can be implemented in an installation consisting of a packaging machine comprising a packaging forming section, a filling section and a packaging closing section, a supply circuit, the machine being supplied with product to be packaged.
  • the inerting device installed on the packaging machine, according to Figure 1 of the accompanying drawing, is of the type comprising an insulation cover (1) equipped in its upper part with a gas distribution network (5) located at -above the packaging, the insulation cover (1) necessary to protect the packaging against any entry of oxygen is provided with an inerting fluid supply circuit (3) and a circuit for supplying purge fluid to the packages (4).
  • the inerting and purging of the insulation cover (1) is carried out by means of a gas distribution network of the inert gas placed laterally and located above the packages, that is to say in the upper part.
  • This purge and inerting system shown in Figure 2 of the accompanying drawing is formed by a ramp (5) provided with injectors (6) in the form of cylindrical tubes aligned horizontally and whose outlet openings are directed towards the top of the cover. protection (1) so as to avoid disturbances of the subsequent purging system of the upper spaces or upper part of the packages.
  • the inerting device further comprises a gas distribution network (7) of the gas coming from the inlet (8), with a view to gas purging of the upper or upper part of the packages.
  • This distribution network or ramp (7) shown in Figure 3 of the accompanying drawing is placed immediately above the central axis of the packages (2) with injection means (9a, 9b, 9c, 9d .. .) directed downwards, aligned, and each formed by one or more cylindrical tubes 10a, 10b, possibly flattened at the end, ensuring effective purging of the gaseous sky.
  • the inerting device comprises a liquid nitrogen distribution network with a view to purging the packaging.
  • This distribution network or liquid nitrogen injection manifold shown in Figure 5 of the accompanying drawing comprises a liquid nitrogen supply line (19) optionally divisible into several circuits (19a, 19b, 19c ...) provided a trap (20a, 20b, 20c) in order to avoid the formation of gas in the distribution pipe or manifold (21) in which said circuits terminate, said manifold being located above the packaging lines and provided with injection means (22a, 22b, ... 22f, 22g) placed immediately above the central axis of the packages.
  • the cold gas from the vaporization of liquid nitrogen then purges the air present in the container. In this case, make sure that the liquid nitrogen is completely vaporized before plugging the container to avoid excessive pressurization of flexible packaging.
  • the insulation cover can be placed above the liquid nitrogen injection system described above, provided with a gas distribution network ensuring an inert atmosphere around the packages as described above.
  • the packaging inerting devices according to the invention can be installed on the packaging line between the packaging forming section and the filling section, in order to ensure filling of the packaging in an inert atmosphere and avoid any oxygenation of the product during its flow, or before closing the filled packaging in order to inert the gaseous sky of the packaging and thus improve the conservation of the product.
  • the supply circuit of the packaging machine shown in FIG. 4 of the appended drawing, comprises a means for injecting gas (11) of the injector type placed on the line (13) and (14) of the liquid or pasty and a buffer tank (15) positioned on the packaging device allows the settling of bubbles.
  • An ejector venturi
  • another means of gas injection can also be used on the liquid or pasty line (14) and placed at the bottom of the buffer tank (15).
  • the inerting process for leaktight packaging according to the invention can be applied to the conservation of any liquid or pasty food product: beers, wines, fruit juices, drinks based on fruit juices, concentrates and syrups, milk and dairy products, oils and derivatives, lipid products (sauce and mayonnaise). It is also applicable to pharmaceutical and biological products.
  • the inerting sequence includes two stages, according to which, the packaging is protected against any entry of oxygen and the creation of an oxygen-free atmosphere in the packaging area before closing of these with an inert gas, then with a gaseous purge of the gaseous sky of the packages after filling by a gas distribution network.
  • the clarified wine is conveyed through the line (12) to the so-called “Sparger” type injector and the nitrogen is introduced through the line (13) into said injector.
  • the deoxygenated wine is conveyed through the line (14) to the lower part of the buffer tank (15) in which the bubbles settle, the degassed wine is withdrawn through the line (16) at the base of the tank (15) and between in the filling section (17) of the packaging machine.
  • the closing section (18) of the packaging machine comprises the insulation cover (1) described above, a nitrogen inlet (3) for purging and inerting the gas chamber, and an inlet for a nitrogen-carbon dioxide mixture (8). purging gas from the packaging.
  • Red wine is conditioned at 11 °, at a temperature of 22 ° C, at a flow rate of 2 m 3 / hour.
  • the installation carried out includes in particular an insulation cover of length 630 mm, width 270 mm and height about 300 mm; an inertization ramp for this isolation cover of the inerting device, comprising five inert gas injection tubes, made of 8-10 stainless steel, the distance between two injection tubes being 100 mm; and a ramp for purging the packaging after filling, with a length of 334 mm, comprising four double injections, constituted by 6-8 stainless steel tubes, the distance between 2 injections being 110 mm.
  • Each injection is double, consisting of two stainless steel tubes, 6 mm in diameter, flattened at their ends and spaced 20 mm apart.
  • the wine contains 1.2 ppm of dissolved oxygen
  • 1.8 m 3 / hour of nitrogen is injected into the clarified wine. After this conditioning, the dissolved oxygen content of the wine is 0.6 to 0.7 ppm.
  • the inerting of the cover of the inerting device is carried out by nitrogen injection, and the gas purging of the packages and of the closure using an inert gas consisting of 50% nitrogen, 50% anhydride carbonic.
  • Analytical controls are carried out on the gaseous overhang of the packages after packaging, on 200 packages.
  • the results obtained in the form of average values for this quantity of packaging are recorded in the table below, as well as the volumes of nitrogen in m 3 / h used for the inerting of the cover of the packaging machine, and the volumes in m 3 / h of the inert mixture 50% N 2 -50% CO 2 .
  • the fourth test is carried out with injection above the packaging and at the start of closing and the control is carried out after 16 hours.

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

Claims (10)

1. Verfahren zum Herbeiführen eines inerten Zustands in dichten Verpackungen für flüssige, breiartige und feste Güter, wobei gleichzeitig oder nacheinander eine Beseitigung des Sauerstoffs aus den leeren Verpackungen im Verpackungsbereich und eine Beseitigung des Sauerstoffs aus den Verpackungen nach dem Füllen vorgenommen wird und die Beseitigung des Sauerstoffs durch Einspritzen von inertem Fluid in den oberen Teil der Verpackung und durch Einspritzen von Fluid gegen den Boden der Verpackung vorgenommen wird, dadurch gekennzeichnet, daß die Beseitigung des Sauerstoffs in beiden Fällen unter inerter Atmosphäre mittels zweifachen gleichzeitigen Einspritzens von inertem Fluid vorgenommen wird, daß das durch das erste Einspritzen erfolgende Beseitigen des Sauerstoffs aus den leeren oder gefüllten Verpackungen oder deren Ausblasen- mit Hilfe eines Verteilungsnetzes für das besagte Fluid vorgenommen wird, und daß die inerte Atmosphäre erzeugt wird durch ein mit dem zweiten Einspritzen erfolgendes Einspritzen von inertem Fluid, das über den Verpackungen ausgeteilt wird.
2. Verfahren zum Herbeiführen eines inerten Zustands in dichten Verpackungen, nach Anspruch-1, dadurch gekennzeichnet, daß das zu verpackende Gut zuvor durch ein Inertgas von Sauerstoff befreit wird.
3. Verfahren zum Herbeiführen eines inerten Zustands in dichten Verpackungen, nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das inerte Fluid ausgewählt wird aus der Gruppe Stickstoff, Kohlendioxid und Mischungen von Stickstoff und Kohlendioxid.
4. Verfahren zum Herbeiführen eines inerten Zustands in dichten Verpackungen, nach Anspruch 1, dadurch gekennzeichnet, daß das inerte Fluid gasföriger oder flüssiger Stickstoff ist.
5. Vorrichtung zur Ausübung des Verfahrens zum Herbeiführen eines inerten Zustands in Verpackungen nach den Ansprüchen 1 bis 4, mit einer Abschirmhaube (1), die in ihrem oberen Abschnitt mit einem oberhalb der Verpackungen (2) befindlichen Gasverteilungsnetz (5) ausgestattet ist, dadurch gekennzeichnet, daß das besagte, seitlich angeordnete Gasverteilungsnetz gebildet ist durch eine Einspritzleitung (5a), die miteinander fluchtende Einspritzrohre (6) aufweist, deren Austrittsöffnungen nach oben in die Abschirmhaube (1) gerichtet sind, und daß außerdem ein zum Ausblasen des oberen Teils der Verpackungen mit Gas dienendes Gasverteilungsnetz (7) vorgesehen ist, das unmittelbar oberhalb der Mittelachse der Verpackungen (2) angeordnet ist und nach unten gerichtete Einspritzmittel aufweist.
6. Vorrichtung zur Ausübung des Verfahrens zum Herbeiführen eines inerten Zustands in Verpackungen, nach Anspruch 5, dadurch gekennzeichnet, daß das Gasverteilungsnetz zum Ausblasen der Verpackungen mit Gas nach dem Füllen durch ein Ausblasrohr (7) gebildet wird, das unmittelbar oberhalb der Mittelachse der Verpackungen (2) angeordnet ist und Einspritzmittel (9a, 9b....) aufweist, die sich im oberen Teil der Verpackung befinden, nach unten gerichtet sind, miteinander fluchten und aus jeweils mindestens einem zylindrischen Rohr (10a, 10b, ...) bestehen.
7. Vorrichtung zur Ausübung des Verfahrens zum Herbeiführen eines inerten Zustands in Verpackungen, nach Anspruch 5 oder 6, dadurch gekennzeichnet, daß die Vorrichtung zum Herbeiführen eines inerten Zustands ein Verteilungsnetz für flüssigen Stickstoff aufweist, das gebildet wird von einer Zuleitung (19) für flüssigen Stickstoff, die gegebenenfalls in mehrere Zweige (19a, ... 19c, ...) aufgeteilt werden kann, auf denen jeweils ein Entlüfter (20a, ... 20c, ...) angeordnet ist, und einer Einspritzleitung (21) für flüssigen Stickstoff, die mit Einspritzmitteln (22a, ... 22g, ...) versehen ist, welche sich unmittelbar oberhalb der Mittelachse der Verpackungen befinden.
8. Vorrichtung zur Ausübung des Verfahrens zum Herbeiführen eines inerten Zustands, nach Anspruch 7, dadurch gekennzeichnet, daß die Vorrichtung zum Herbeiführen eines inerten Zustands außer dem Verteilungsnetz für flüssigen Stickstoff ein seitlich angeordnetes und oberhalb der Verpackungen (2) befindliches Gasverteilungsnetz (5) aufweist, das gebildet ist durch eine Einspritzleitung (5a), die miteinander fluchtende Einspritzrohre (6) aufweist, deren Austrittsöffnungen nach oben in die Abschirmhaube (1) gerichtet sind.
9. Vorrichtung zur Ausübung des Verfahrens zum Herbeiführen eines inerten Zustands, nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, daß an der Zuleitung (14) für das zu verpackende Gut eine Gaseinspritzeinrichtung (11) vorgesehen ist sowie ein Dekantierbehälter (15) zum Absondern von Gasblasen.
10. Verfahren zum Herbeiführen eines inerten Zustands in dichten Verpackungen, nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß es anwendbar ist bei der Konservierung aller flüssigen oder breiartigen Nahrungsmittel, wie Bier, Wein, Fruchtsaft, Konzentrate und Sirupe, Milch und Milchprodukte, Öl und Ölpräparate, Fettprodukte, Sauce und Mayonnaise, bei der Konservierung fester oder pulverförmiger Nahrungsmittel und bei der Konservierung pharmazeutischer und biologischer Produkte.
EP86902433A 1985-04-29 1986-04-23 Verfahren zum inertisieren von luftdichten verpackungen und vorrichtung zur durchführung Expired EP0220221B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86902433T ATE41903T1 (de) 1985-04-29 1986-04-23 Verfahren zum inertisieren von luftdichten verpackungen und vorrichtung zur durchfuehrung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8506479A FR2581027B1 (fr) 1985-04-29 1985-04-29 Procede d'inertage d'emballages etanches et installation de mise en oeuvre
FR8506479 1985-04-29

Publications (2)

Publication Number Publication Date
EP0220221A1 EP0220221A1 (de) 1987-05-06
EP0220221B1 true EP0220221B1 (de) 1989-04-05

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EP86902433A Expired EP0220221B1 (de) 1985-04-29 1986-04-23 Verfahren zum inertisieren von luftdichten verpackungen und vorrichtung zur durchführung

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US (1) US4870801A (de)
EP (1) EP0220221B1 (de)
JP (2) JPS62502680A (de)
AU (1) AU589628B2 (de)
CA (1) CA1288999C (de)
DE (1) DE3662671D1 (de)
FR (1) FR2581027B1 (de)
WO (1) WO1986006347A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2613321B1 (fr) * 1987-03-30 1989-10-20 Air Liquide Installation d'inertage d'emballages etanches pour produits alimentaires
JPH0384543A (ja) * 1989-08-29 1991-04-10 Brother Ind Ltd マイクロカプセルシートを内包するパトローネ
US5085035A (en) * 1990-10-05 1992-02-04 International Paper Company Gas displacement device for packaging food and non-food products
US5201165A (en) * 1990-10-05 1993-04-13 International Paper Company Gas displacement device for packaging food and non-food products
DE19502452A1 (de) * 1995-01-26 1996-08-01 Kronseder Maschf Krones Verfahren und Vorrichtung zum Behandeln von Gefäßen
FR2756466B1 (fr) * 1996-11-29 1998-12-31 Air Liquide Procede et dispositif d'inertage d'une cuve a liquide alimentaire, notamment a vin, et gaz d'inertage correspondant
FR2802177B1 (fr) * 1999-12-09 2002-03-01 Pascal Carvin Procede de conditionnement de vin ou similaire, produits obtenus par ce procede et dispositif pour la mise en oeuvre du procede
IL140445A0 (en) * 2000-02-25 2002-02-10 Rafael Armaments Dev Authority Warhead configuration
US6634157B2 (en) 2000-12-20 2003-10-21 Tetra Laval Holdings & Finance, Sa Apparatus for inerting gable top carton head space
US7040075B2 (en) 2001-08-08 2006-05-09 The Clorox Company Nitrogen cap chute end
US7219480B2 (en) * 2003-08-06 2007-05-22 Alcoa Closure Systems International, Inc. Capping and nitrogen dosing apparatus
JP4511155B2 (ja) * 2003-11-20 2010-07-28 エア・ウォーター株式会社 粉粒状物に対するガス置換方法および装置
AR049533A1 (es) * 2004-06-29 2006-08-09 Puratos Nv Producto empaquetado para la industria de la planificacion de una composicion en polvo
US20060073251A1 (en) * 2004-10-01 2006-04-06 Schroen Jeffery P System and method for nitrogen sparging of citrus juice
FR2887524A1 (fr) * 2005-06-23 2006-12-29 1 4 Vin Sarl Moyen d'inertage a faible vitesse et dispositif mettant en oeuvre ce moyen d'inertage pour conditionner un produit alimentaire
ATE396952T1 (de) * 2005-11-16 2008-06-15 Arol Spa Vorrichtung und verfahren zum verschliessen von behältern
SE529965C2 (sv) * 2005-11-24 2008-01-15 Tetra Laval Holdings & Finance Metod och anordning vid fyllning av förpackningar

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US3477192A (en) * 1967-03-02 1969-11-11 American Cyanamid Co Container filling process
US3566575A (en) * 1968-02-26 1971-03-02 Ex Cell O Corp Aseptic packaging machine
JPS5016816Y2 (de) * 1971-12-02 1975-05-24
IT987875B (it) * 1972-06-09 1975-03-20 Hesser Ag Maschf Apparato per produrre mezzi di imballaggio poveri di ossigeno
GB1451662A (en) * 1973-05-07 1976-10-06 Grace W R & Co Packaging apapratus and method
FR2289392A1 (fr) * 1974-10-31 1976-05-28 Copral France Conditionnement Procede pour l'elimination de l'oxygene dans un recipient devant etre ferme hermetiquement et contenir un produit alimentaire
AU497624B2 (en) * 1975-06-12 1978-12-21 W.R. Grace Australia Limited Packaging of animal carcasses
DE2612958C2 (de) * 1976-03-26 1985-01-10 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zum Herausspülen von Luftsauerstoff aus Verpackungsbehältern
JPS583657B2 (ja) * 1980-09-24 1983-01-22 バ−ス工業株式会社 惣菜品，練製品，其の他ペ−スト状可塑性材料のトレイ自動充填装置

Also Published As

Publication number Publication date
FR2581027B1 (fr) 1987-11-20
AU5699586A (en) 1986-11-18
US4870801A (en) 1989-10-03
JP2545629Y2 (ja) 1997-08-25
AU589628B2 (en) 1989-10-19
EP0220221A1 (de) 1987-05-06
CA1288999C (fr) 1991-09-17
JPS62502680A (ja) 1987-10-15
DE3662671D1 (en) 1989-05-11
WO1986006347A1 (fr) 1986-11-06
JPH08693U (ja) 1996-04-23
FR2581027A1 (fr) 1986-10-31

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