EP2448830B1 - Verpackungsmaschine und verpackungsverfahren - Google Patents

Verpackungsmaschine und verpackungsverfahren Download PDF

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Publication number
EP2448830B1
EP2448830B1 EP10794443.1A EP10794443A EP2448830B1 EP 2448830 B1 EP2448830 B1 EP 2448830B1 EP 10794443 A EP10794443 A EP 10794443A EP 2448830 B1 EP2448830 B1 EP 2448830B1
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EP
European Patent Office
Prior art keywords
packaging machine
area
pressure
zone
areas
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.)
Not-in-force
Application number
EP10794443.1A
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English (en)
French (fr)
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EP2448830A1 (de
EP2448830A4 (de
Inventor
Ulf Lindblad
Jenny Olsson
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.)
Tetra Laval Holdings and Finance SA
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Tetra Laval Holdings and Finance SA
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Application filed by Tetra Laval Holdings and Finance SA filed Critical Tetra Laval Holdings and Finance SA
Publication of EP2448830A1 publication Critical patent/EP2448830A1/de
Publication of EP2448830A4 publication Critical patent/EP2448830A4/de
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Publication of EP2448830B1 publication Critical patent/EP2448830B1/de
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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
    • 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
    • B65B55/04—Sterilising wrappers or receptacles prior to, or during, packaging
    • B65B55/10—Sterilising wrappers or receptacles prior to, or during, packaging by liquids or gases
    • 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
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/02—Machines characterised by the incorporation of means for making the containers or receptacles
    • B65B3/027—Making containers from separate body and end-parts

Definitions

  • the present invention relates to a packaging machine and a packaging method.
  • the packaging machine comprises a gassing zone for exposing packages to a gaseous sterilization agent, an infeed end where the packages are received in the packaging machine, an outfeed end where the packages are output from the packaging machine, and a conveyor for transporting the packages through the gassing zone in a transport direction.
  • Packages intended for liquid food are often produced from a packaging laminate comprising a core layer of paper or paperboard and an outer, liquid-tight layer of thermoplastic material on at least that side of the core layer which will form the inside of the packages.
  • carton bottles are composed of a lower part in the form of a sleeve of packaging laminate like the one described above, and an upper part in the form of a plastic top having a neck which is provided with an opening/closing means, such as a screw cap.
  • carton bottles which are open in the bottom, i.e. the sleeve end, are produced. Then, the open carton bottles are sterilized at least on the inside in order to extend the shelf-life of the product to be packed in the carton bottles. Depending upon the desired length of shelf-life, and depending upon whether the carton bottles are to be distributed and stored in a refrigerated environment or at room temperature, different levels of sterilization may be selected. After sterilization the carton bottles are further transported to a filling zone for product filling, a sealing zone for sealing of the open bottom and a final folding zone for final folding of the bottom. For the transportation through the packaging machine, the carton bottles are arranged in carriers disposed on a conveyor belt running through the packaging machine. Furthermore, the third pressure maintained inside the third area of the packaging machine is higher than the second pressure maintained inside the second area of the packaging machine.
  • the carton bottles are heated up in the heating zone to a temperature above the dew point of the hydrogen peroxide gas.
  • the carton bottles are subjected to sterile hot air in order to vent off hydrogen peroxide which remains in and on the carton bottles.
  • WO2005/120960 A1 discloses a device for sterilizing containers, the sterilization chamber pressure being less than the filling chamber pressure.
  • An object of the present invention is to provide a packaging machine and method which, at least partly, eliminate potential limitations of prior art.
  • the basic concept of the invention is to enclose the gaseous sterilization agent used within a limited area of the packaging machine to enable achievement of a sterilization agent concentration which is sufficiently high for proper package sterilization and at the same time reduce, or even completely eliminate, the emissions of sterilization agent to the packaging machine surroundings as well as lower the sterilization agent consumption.
  • a packaging machine comprises a gassing zone for exposing packages to a gaseous sterilization agent, an infeed end where the packages are received in the packaging machine, an outfeed end where the packages are output from the packaging machine, and a conveyor for transporting the packages through the gassing zone in a transport direction.
  • the packaging machine is characterized in further comprising means for maintaining a first pressure inside a first area of the packaging machine arranged between the infeed end and the outfeed end and including at least the gassing zone, a second pressure inside a second area of the packaging machine arranged between the infeed end and said first area, adjacent said first area, and a third pressure inside a third area of the packaging machine arranged between said first area and the outfeed end, adjacent said first area.
  • the second and third pressures are higher than the first pressure and a fourth pressure prevailing outside the packaging machine.
  • the inventive packaging machine can be open which, as specified above, means that it allows continuous production of filled packages and an even flow of packages passing through the packaging machine.
  • an open packaging machine is not closed to the surroundings by, for example, solid walls that entirely enclose a space.
  • the packages In the gassing zone, the packages should be exposed to a sufficiently high concentration of sterilization agent in order to be properly sterilized.
  • open packages At the infeed end empty, open packages are fed to the packaging machine and at the outfeed end filled, sealed packages are fed out of the packaging machine.
  • the pressure differences maintained within the packaging machine make it possible to achieve and preserve certain conditions inside said different areas.
  • the pressure differences prevent the gaseous sterilization from leaking from the first area into the second and third areas and further to the infeed and outfeed ends of the packaging machine.
  • a sufficiently high concentration of sterilization agent can be maintained within the first area, more particularly the gassing zone, of the packaging machine, which renders proper sterilization of the packages possible.
  • said means for maintaining said first, second and third pressures in said first, second and third areas comprises an arrangement for providing cleaned air to the packaging machine in said second and third areas and a number of outlet devices for gas evacuation arranged inside said first area.
  • Such clean air provision makes it possible to maintain the desired hygienic conditions inside the machine.
  • gas evacuation from the first area of the packaging machine means that the sterilization agent can be evacuated from the packaging machine in a controlled way and that the sterilization agent leaving the packaging machine can be handled properly.
  • the outlet devices can be connected to means for degradation of the sterilization agent into harmless elements.
  • Said arrangement may comprise a cleaned air supply device connected to said third area of the packaging machine and a duct connecting, indirectly or directly, said third area to said second area of the packaging machine.
  • a cleaned air supply device connected to said third area of the packaging machine and a duct connecting, indirectly or directly, said third area to said second area of the packaging machine.
  • the duct can be used as a return tunnel for the conveyor being endless. This enables a particularly smooth and clever design of the packaging machine. Further, the third pressure maintained inside said third machine area can be higher than the second pressure maintained inside said second machine area, which would promote the guiding of clean air from the third to the second machine area, through the duct.
  • said arrangement comprising one single cleaned air supply device and a duct
  • it can instead comprise two cleaned air supply devices, one connected to said second area of the packaging machine and one connected to said third area of the packaging machine. Since such a construction means that there is a separate source for cleaned air provision for each one said second and third areas, no duct connecting them both is necessary, at least not from an air guiding point of view.
  • the packaging machine comprises, besides for said outlet devices, inlet devices for introducing the gaseous sterilization agent into the gassing zone.
  • the inlet devices are arranged at an upper portion of the gassing zone and the outlet devices are arranged at a lower portion of the packaging machine to promote, inside the gassing zone, a flow of the gaseous sterilization agent directed, in an unobstructed condition, from said upper portion to said lower portion.
  • unobstructed condition is meant a condition where no object is "standing in the way" of the flow.
  • the packaging machine may be so constructed that said means for maintaining said first, second and third pressures in said first, second and third areas, respectively, comprises a first device arranged essentially orthogonal to the transport direction at a first boundary between said first and second areas for limiting a first cross section at the same, and a second device arranged essentially orthogonal to the transport direction at a second boundary between said first and third areas for limiting a second cross section at the same.
  • the first and second devices may comprise a first and a second baffle, respectively, each constructed so as to allow passage of the packages.
  • a packaging method comprises receiving, at an infeed end, packages in a packaging machine, transporting the packages through a gassing zone in a transport direction, exposing, in the gassing zone, the packages to a gaseous sterilization agent, and outputting, at an outfeed end, the packages from the packaging machine.
  • the method is characterized in further comprising maintaining a first pressure inside a first area of the packaging machine arranged between the infeed end and the outfeed end and including at least the gassing zone, a second pressure inside a second area of the packaging machine arranged between the infeed end and said first area, adjacent said first area, and a third pressure inside a third area of the packaging machine arranged between said first area and the outfeed end, adjacent said first area.
  • the second and third pressures are higher than the first pressure and the third pressure is higher than a fourth pressure prevailing outside the packaging machine.
  • the third pressure maintained inside the third area of the packaging machine is higher than the second pressure maintained inside the second area of the packaging machine.
  • sterile is taken to signify that the package, after sterilization, attains a level of sterilization which is designated commercially sterile.
  • Figures 1 , 2 , 3 and 4 illustrate a packaging machine 1 (not illustrated in its entirety) according to a first embodiment of the present invention for producing filled, finished packages in the form of carton bottles of the initially described type.
  • the packaging machine 1 is open and adapted for gas phase sterilization of the carton bottles prior to filling, sealing and folding of the same.
  • the packaging machine 1 comprises a preheating zone 3, a gassing zone 5, a venting zone 7, a filling zone 9, a sealing zone 11, a final folding zone 13 and a buffer zone 15.
  • the packaging machine 1 has an infeed station 17 at an infeed end 19 and an outfeed station 21 at an outfeed end 23 for infeed of empty carton bottles and outfeed of filled carton bottles, respectively.
  • the infeed and outfeed stations will not be described in detail herein.
  • the boundaries between the zones, and the zones and the stations, have been illustrated with broken lines in the figures.
  • the infeed station 17 and the zones 3-9 are arranged in a row at the end of which the sealing zone 11, the final folding zone 13, the outfeed station 21 and the buffer zone 15 are arranged, as is illustrated in the figures.
  • the buffer zone 15 extends below the final folding zone 13, between the final folding zone and the sealing zone 11 and behind the sealing zone 11 seen in the direction of figure 1 .
  • FIG 1 a section of a side wall S in the area of the preheating, gassing, venting and filling zones 3, 5, 7 and 9, respectively, has been removed for illustrative purposes.
  • a conveyor 25 for transporting the carton bottles 27 through the various zones of the packaging machine 1 in a transport direction T is revealed, the conveyor itself running through all zones but the final folding zone 13.
  • the reason for this is that the final folding zone, for different reasons, is that one of the zones of the packaging machine that is most prone to contamination, as is further discussed in the above referenced patent application.
  • the conveyor 25 is endless and runs in a ring-shaped path within the packaging machine 1.
  • a duct 29 connecting the infeed station 17 and the sealing zone 11, via the buffer zone 15, is comprised in the packaging machine 1.
  • This duct 29 is used as a return channel for the conveyor 25.
  • the conveyor runs through the buffer zone in a direction R, then back through the buffer zone and the duct 29 in a direction T' which is essentially opposite to the transport direction T and then through the infeed station 17 in a direction R' which is essentially opposite to the direction R.
  • FIG. 2 shows a section of an upper wall U of the duct 29 has been removed for illustrative purposes.
  • the packaging machine 1 further comprises a supply device 31 for providing sterile air to the packaging machine 1, which supply device comprises a bent duct 31' extending into the packaging machine and separating the sealing zone 11 from the filling zone 9 and the buffer zone 15.
  • the supply device 31 further comprises a sterile filter and a fan (not shown). Air from outside of the packaging machine 1 is drawn through the sterile filter and the bent duct 31' and into the packaging machine 1 in the area of the sealing zone 11.
  • the supply device 31 is described in detail in Swedish copending patent application filed by the applicant on the same date as the present application and titled "Device for cleaned air provision" ( SE-0900908-5 ), which application is hereby incorporated herein by reference.
  • the carton bottles 27 are fed, with their bottom ends 33 open, to the packaging machine 1 via the infeed station 17 where they are arranged upside-down, with their respective bottom end 33 directed upwards, in carrier means 35 attached to the conveyor 25. Arranged like this, the carton bottles are then moved through the zones 3, 5 and 7 for sterilization.
  • the carton bottles 27 are exposed to gaseous hydrogen peroxide.
  • the hydrogen peroxide is introduced into the gassing zone 5 through inlet devices 37 arranged in an upper portion 39 thereof.
  • a number of outlet devices 41 for evacuation, by suction, of the gaseous hydrogen peroxide are arranged in a lower portion 43 of the packaging machine within the gassing zone 5.
  • the carton bottles are, before entering the gassing zone 5, heated up in the preheating zone 3 to a temperature above the dew point of the hydrogen peroxide gas.
  • hot filtered air is introduced into the preheating zone 3 through inlet devices (not shown) arranged in an upper portion thereof. Further, a number of outlet devices 41 for air evacuation are arranged in the lower portion 43 of the packaging machine within the preheating zone 3.
  • the carton bottles are subjected to hot sterile air in order to vent off hydrogen peroxide which remains in and on the carton bottles after passage through the gassing zone 5.
  • hot sterile air is introduced into the venting zone 7 through inlet devices (not shown) arranged in an upper portion thereof. Further, a number of outlet devices 41 for air evacuation are arranged in the lower portion 43 of the packaging machine within the venting zone 7.
  • the carton bottles are fed, still arranged on the conveyor 25, to the filling zone 9 for filling of the desired product.
  • sterile air is introduced into the filling zone 9 through inlet devices (not shown) arranged in an upper portion thereof.
  • a number of outlet devices 41 for air evacuation are arranged in the lower portion 43 of the packaging machine within the filling zone 9.
  • the carton bottles are fed to the sealing zone 11 for bottom sealing and the final folding zone 13, and thereby the buffer zone 15, for final forming.
  • the finished, filled carton bottles are output from the packaging machine 1 via the outfeed station 21.
  • the conveyor 25 travels back through the duct 29 to the infeed station 17 for loading of new, unfilled carton bottles.
  • a first pressure P1 is maintained inside a first continuous area A1 of the packaging machine 1, which first area is comprised of the preheating zone 3, the gassing zone 5, the venting zone 7 and the filling zone 9.
  • a second pressure P2 is maintained inside a second area A2 of the packaging machine 1, which second area is adjacent the first area and comprised of the infeed station.
  • a third pressure P3 is maintained inside a third area A3 of the packaging machine 1, which third area is adjacent the first area and comprised of the sealing zone 11.
  • the different pressures are maintained by means comprising the supply device 31 for providing sterile air to the packaging machine, the outlet devices 41 arranged within the first area A1 and the duct 29 connecting the infeed station 17 and the sealing zone 11, via the buffer zone 15.
  • the means for pressure maintenance further comprise a first device 45 in the form of a baffle (illustrated scored in figure 4 ) arranged orthogonal to the transport direction T at the first boundary I and a second device 47 in the form of a baffle (illustrated scored in figure 3 ) arranged orthogonal to the transport direction T at the second boundary II.
  • the purpose of the baffles is to limit the respective cross sections locally at the boundaries to promote the maintainance of the desired pressures in the different areas of the packaging machine, which will be further discussed below.
  • the design of the baffles is adapted to the respective cross section at the first and second boundaries, I and II.
  • the baffle arranged at the first boundary I covers as much of the rectangular cross section as is possible while still allowing passage of the packages through an opening in the same.
  • the baffle arranged at the second boundary covers a lower part of the hour glass shaped cross section, the packages being allowed to pass above the baffle.
  • the purpose of the hour glass shaped cross section at the second boundary is disclosed in detail in Swedish copending patent application filed by the applicant on the same date as the present application and titled "A device and a method for maintaining a gas flow barrier between two volumes of a channel" ( SE-0900913- 5), which application is hereby incorporated herein by reference.
  • the supply device 31 is connected to the third area A3 and feeds sterile air directly into the same. Some of this air is guided through the buffer zone 15 and the duct 29 for provision of air to the second area A2. This air guiding is promoted by the second pressure P2 being lower than a pressure withing the buffer zone 15, P buffer zone , in turn being lower than the third pressure P3.
  • the outlet devices 41 inside the first area A1 evacuate gaseous hydrogen peroxide and air which is properly taken care of, i.e. the hydrogen peroxide is degraded before being emitted (will not be further described herein).
  • the second and third pressures, P2 and P3, inside the second and third areas, A2 and A3, respectively, are higher than the first pressure P1 inside the first area A1.
  • the hydrogen peroxide becomes trapped within the first area A1, in other words, the hydrogen peroxide is prevented from leaking into the rest of the packaging machine and it can only leave the packaging machine through the forced evacuation. Consequently, emissions of hydrogen peroxide from the packaging machine can be eliminated, the hydrogen peroxide consumption can be kept relatively low and the hydrogen peroxide concentration within the gassing zone can be kept sufficiently high for satisfactory sterilization.
  • the second and third pressures are higher than a fourth pressure P4 prevailing outside the packaging machine.
  • the final folding zone 13 and the outfeed station 21 are screened off by means of baffles such that the pressures, P final folding zone and P outfeed station, respectively, prevailing therein becomes lower than the pressure P buffer zone inside the buffer zone 15, which in turn (as mentioned above) is lower than the pressure P3 inside the third area A3, i.e. the sealing zone.
  • the pressures inside the final folding area and the outfeed station are still higher than the surrounding fourth pressure P4.
  • the first pressure P1 maintained inside the first area A1 may be lower or higher than the surrounding pressure P4.
  • P 3 P sealing zone > P buffer zone > P 2 , and P 2 , P 3 > P 1 , P 4 , and P buffer zone > P final folding zone , P outfeed station > P 4.
  • Figure 5 illustrate a packaging machine (not illustrated in its entirety) according to a second embodiment of the present invention.
  • the above description of the packaging machine according to the first embodiment of the present invention is valid also for the second invention. Therefore, in the following, mainly differing features of the second embodiment will be described.
  • the difference between the first and the second embodiment lies within the procedure and equipment for providing cleaned air to the packaging machine in the second and third areas thereof, to achieve and maintain the desired pressure conditions.
  • the duct 29 is used, not only as a return channel for the conveyor 25, but also for guiding cleaned air introduced in the third area to the second area of the packaging machine.
  • the duct (not illustrated in figure 5 ), which is similar to the above described duct 29, is used as a return channel for the conveyor 25.
  • the packaging machine 1 according to the second embodiment of the invention comprises two air supply devices 31 of the previously described kind. One of them is connected to the second area A2 and feeds sterile air directly into the same. The other one is connected to the third area A3 and feeds sterile air directly into the same.
  • a first pressure P1 is maintained inside the first area A1 which is lower than a respective second and third pressure P2 and P3 maintained inside the second and third areas A2 and A3. Further, the second and third pressures are higher than a pressure P4 prevailing outside the packaging machine. Additionally, the third pressure P3 is higher than the pressures maintained inside the buffer zone, final folding zone and outfeed station, which, in turn, are higher than P4. So far, the desired pressure proportions are the same as those specified for the initially described first embodiment of the invention. However, in the second embodiment, unlike in the first embodiment as previously described, there is no particular gain, in this connection, in making sure that the third pressure inside the third area and the pressure inside the buffer zone are higher than the second pressure inside the second area.
  • the different pressures in both of the exemplary embodiments, need not be constants but may vary.
  • the pressure P1 inside the first area of the packaging machine 1 may differ between different parts of the first area.
  • the positions of the boundaries between said areas of the packaging machine are dependent upon the particular prevailing circumstances. Thus, these positions may vary as a function of a number of different parameters, such as, for example, the sterile air infeed rate, the inflow rates at the inlet devices, the outflow rates at the outlet devices and the physical design, e.g. the baffle positions, of the packaging machine.
  • the boundary between the first and second areas, A1 and A2 could coincide with the boundary between the gassing and preheating zones, 5 and 3.
  • the boundary between the first and third areas, A1 and A3 could coincide with the boundary between the gassing and venting zones, 5 and 7.
  • the air supply devices are arranged to provide sterile air to the packaging machine.
  • the air to be provided to the packaging machine can have different degrees of purity.
  • two similar air supply devices are used for the air provision to the second and third areas of the packaging machine.
  • two supply devices of different kinds could instead be used, especially if there are different demands on the purity level of the air to be provided to the different areas.
  • the duct 29 is used both as a return channel for the conveyor and for guiding air from the third to the second area of the packaging machine.
  • the packaging machine could instead comprise two separate ducts, one serving as a conveyor return channel and one serving as an air guide.
  • inventive packaging machine may of course be used for producing other packages than carton bottles.
  • the gassing zone may utilize a wet sterilization, where sterilization agent is deliberately condensated onto surfaces of the packages, after which the condensated sterilization agent is evaporated.
  • the venting zone may comprise or be preceded by a zone comprising heating means for acceleration of the evaporation.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Vacuum Packaging (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Claims (15)

  1. Verpackungsmaschine (1), umfassend:
    eine Begasungszone (5) zum Aussetzen der Verpackungen (27) einem gasförmigen Sterilisationsmittel,
    ein Eintrittsende (19), an dem die Verpackungen in der Verpackungsmaschine aufgenommen werden,
    ein Austrittsende (23), an dem die Verpackungen von der Verpackungsmaschine ausgegeben werden, und
    einen Förderer (25) zum Transportieren der Verpackungen durch die Begasungszone in einer Transportrichtung (T),
    wobei die Maschine ferner umfasst:
    M ittel zum Beibehalten eines ersten Drucks (P1) innerhalb eines ersten Bereichs (A1) der Verpackungsmaschine, die zwischen dem Eintrittsende und dem Austrittsende angeordnet ist und mindestens die Begasungszone aufweist, eines zweiten Drucks (P2) innerhalb eines zweiten Bereichs (A2) der Verpackungsmaschine, der zwischen dem Eintrittsende und dem ersten Bereich benachbart des ersten Bereichs angeordnet ist, und eines dritten Drucks (P3) innerhalb eines dritten Bereichs (A3) der Verpackungsmaschine, der zwischen dem ersten Bereich und dem Austrittsende benachbart des ersten Bereichs angeordnet ist, wobei der zweite und der dritte Druck (P2, P3) höher als der erste Druck (P1) und höher als ein vierter Druck (P4) sind, der außerhalb der Verpackungsmaschine vorherrscht, und wobei der dritte Druck (P3), der innerhalb des dritten Bereichs (A3) der Verpackungsmaschine gehalten wird, höher als der zweite Druck (P2) ist, der innerhalb des zweiten Bereichs (A2) der Verpackungsmaschine gehalten wird.
  2. Verpackungsmaschine (1) nach Anspruch 1, wobei die Mittel zum Halten des ersten, zweiten und dritten Drücke (P1, P2 P3) im ersten, zweiten und dritten Bereich (A1, A2, A3) jeweils eine Anordnung zum Bereitstellen von gereinigter Luft an die Verpackungsmaschine in dem zweiten und dritten Bereich und einer Anzahl von Auslassvorrichtungen (41), die zur Gasevakuierung innerhalb des ersten Bereichs angeordnet sind, umfassen.
  3. Verpackungsmaschine (1) nach Anspruch 2, wobei die Anordnung eine Versorgungsvorrichtung (31) für gereinigte Luft umfasst, die mit dem dritten Bereich (A3) der Verpackungsmaschine und einem Kanal (29) verbunden ist, der den dritten Bereich mit dem zweiten Bereich (A2) der Verpackungsmaschine verbindet.
  4. Verpackungsmaschine (1) nach Anspruch 3, wobei der Förderer (25) endlos ist und der Kanal (29) als ein Rückleitungstunnel verwendet wird.
  5. Verpackungsmaschine (1) nach Anspruch 2, wobei die Anordnung Versorgungsvorrichtungen (31) für gereinigte Luft umfasst, die mit dem zweiten Bereich (A2) der Verpackungsmaschine verbunden sind, wobei eine mit dem dritten Bereich (A3) der Verpackungsmaschine verbunden ist.
  6. Verpackungsmaschine (1)) nach einem der Ansprüche 1-5, ferner umfassend Einlassvorrichtungen (37) zum Einleiten des gasförmigen Sterilisationsmittels in die Begasungszone (5), wobei die Einlassvorrichtungen an einem oberen Abschnitt (39) der Begasungszone angeordnet sind und die Auslassvorrichtungen (41) an einem unteren Abschnitt (43) der Verpackungsmaschine angeordnet sind.
  7. Verpackungsmaschine (1) nach einem der vorhergehenden Ansprüche, wobei die Mittel zum Halten des ersten, zweiten und dritten Drucks (P1, P2 P3) im ersten, zweiten und dritten Bereich (A1, A2, A3) jeweils eine erste Vorrichtung (45) umfassen, die im Wesentlichen orthogonal zur Transportrichtung (T) an einer ersten Grenzschicht (I) zwischen dem ersten und dem zweiten Bereich zum Eingrenzen eines ersten Querschnitts daran angeordnet ist, und eine zweite Vorrichtung (47), die im Wesentlichen orthogonal zur Transportrichtung an einer zweiten Grenzschicht (II) zwischen dem ersten und dritten Bereich zum Eingrenzen eines zweiten Querschnitts daran angeordnet ist.
  8. Verpackungsmaschine (1)) nach Anspruch 7, wobei die ersten und zweiten Vorrichtungen (45, 47) eine erste und eine zweite Ablenkplatte umfassen, die jeweils so gebaut sind, um den Durchgang von Verpackungen (27) zuzulassen.
  9. Verpackungsverfahren, umfassend das Aufnehmen, an einem Eintrittsende (19), von Verpackungen (27) in einer Verpackungsmaschine (1), welche die Verpackungen durch eine Begasungszone (5) in einer Transportrichtung (T) transportiert und die Verpackungen in der Begasungszone einem gasförmigen Sterilisationsmittel aussetzt und an einem Austrittsende (23) die Verpackungen aus der Verpackungsmaschine ausgibt,
    wobei das Verfahren ferner das Beibehalten eines ersten Drucks (P1) innerhalb eines ersten Bereichs (A1) der Verpackungsmaschine, die zwischen dem Eintrittsende und dem Austrittsende angeordnet ist, und mindestens die Begasungszone aufweist, das Beibehalten eines zweiten Drucks (P2) innerhalb eines zweiten Bereichs (A2) der Verpackungsmaschine, der zwischen dem Eintrittsende und dem ersten Bereich benachbart des ersten Bereichs angeordnet ist, und das Beibehalten eines dritten Drucks (P3) innerhalb eines dritten Bereichs (A3) der Verpackungsmaschine, der zwischen dem ersten Bereich und dem Austrittsende benachbart des ersten Bereichs angeordnet ist, umfasst, wobei der zweite und der dritte Druck (P2, P3) höher als der erste Druck (P1) sind und höher als ein vierter Druck (P4), der außerhalb der Verpackungsmaschine vorherrscht, und wobei der dritte Druck (P3) höher als der zweite Druck (P2) ist.
  10. Verpackungsverfahren nach Anspruch 9, wobei das Beibehalten des ersten, zweiten und dritten Drucks (P1, P2 P3) im ersten, zweiten und dritten Bereich (A1, A2, A3) jeweils das Bereitstellen von gereinigter Luft an die Verpackungsmaschine (1) in dem zweiten und dritten Bereich und das Evakuieren von Gas aus der Verpackungsmaschine in den ersten Bereich umfasst.
  11. Verpackungsverfahren nach Anspruch 10, umfassend das Aufnehmen von gereinigter Luft in den dritten Bereich (A3) der Verpackungsmaschine (1) vor dem Weiterleiten einiger davon zum zweiten Bereich (A2) der Verpackungsmaschine durch einen Kanal (29), der den zweiten und dritten Bereich verbindet.
  12. Verpackungsverfahren nach Anspruch 11, umfassend das Verwenden des Kanals (29) als Rückleitungstunnel für den Förderer (25), der endlos ist.
  13. Verpackungsverfahren nach Anspruch 10, umfassend das Aufnehmen von gereinigter Luft direkt sowohl in den zweiten als auch dritten Bereich (A2, A3) der Verpackungsmaschine (1).
  14. Verpackungsverfahren nach einem der Ansprüche 10-13, umfassend das Einleiten von gasförmigem Sterilisationsmittel in einen oberen Abschnitt (39) der Entgasungszone (5) und Evakuieren des Gases aus der Verpackungsmaschine (1) an einen unteren Abschnitt (43) davon.
  15. Verpackungsverfahren nach einem der Ansprüche 9-14, wobei das Beibehalten des ersten, zweiten und dritten Drucks (P1, P2, P3) in dem ersten, zweiten und dritten Bereich (A1, A2, A3) jeweils das Eingrenzen, im Wesentlichen orthogonal zur Transportrichtung (T), eines ersten Querschnitts an einer ersten Grenzschicht zwischen dem ersten und zweiten Bereich und eines zweiten Querschnitts an einer zweiten Grenzschicht zwischen dem ersten und dritten Bereich umfasst.
EP10794443.1A 2009-07-03 2010-06-24 Verpackungsmaschine und verpackungsverfahren Not-in-force EP2448830B1 (de)

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SE0900910 2009-07-03
PCT/SE2010/000182 WO2011002385A1 (en) 2009-07-03 2010-06-24 Packaging machine and packaging method

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CN107406472B (zh) 2015-03-05 2020-03-27 株式会社Lg化学 杂环化合物和包含其的有机发光器件
CN107406471B (zh) 2015-03-05 2020-06-02 株式会社Lg化学 杂环化合物和包含其的有机发光元件
DE102017104153A1 (de) 2017-02-28 2018-08-30 Sig Technology Ag Verfahren und Füllmaschine zum Füllen von einseitig offenen Packungen
IT201900010134A1 (it) * 2019-06-26 2020-12-26 Sidel Participations Sas Impianto di trattamento di recipienti adatti a contenere un prodotto versabile
JP6944661B2 (ja) * 2020-03-12 2021-10-06 大日本印刷株式会社 殺菌方法

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EP2448830A1 (de) 2012-05-09
BRPI1015429B1 (pt) 2019-07-02
BRPI1015429A2 (pt) 2016-04-12
WO2011002385A1 (en) 2011-01-06
EP2448830A4 (de) 2013-09-11

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