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
  • B65B31/04—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or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
  • B65B31/044—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or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzles being combined with a filling device
• • 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
  • B65B3/022—Making containers by moulding of a thermoplastic material
• • 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
  • B65B3/003—Filling medical containers such as ampoules, vials, syringes or the like
• • 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
• • 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 invention relates to a device for minimizing the oxygen content in containers to be filled, such as ampoules, which are preferably produced by a blow molding, filling and closing method and which are providable by means of a feed with a displacement medium, the oxygen prior to sealing of the container this displaced, wherein the feed device has at least one media supply channel, by means of which the displacement medium is fed into the respective container and which is at least partially part of a filling device by means of which the respective container can be filled, wherein the filling device has a Golfdorn with a filling channel, of the separated from the respective media supply channel runs, and wherein the Balldorn still has at least one further media transport channel.
• EP 1 343 693 B1 discloses a device for producing and filling containers, such as ampoules, having at least one mold having movable walls, into which at least one tube of plasticized plastic material whose extruded parts can be closed is extrudable welding the leading end of the hose to form a container bottom by means of welding edges located on them, with a device for generating an am
• Tube effective and this expanding pressure gradient to the forming the container on the mold walls with a movable separating element, which is movable to form a filling opening by separating the tube above the mold between a retracted home position and a working position, and with a displacement device for moving the mold into a filling position for filling the container the filling opening through, wherein a sterile barrier is provided in such a positional arrangement and with such dimensions that it is located in the working position of the separating element above the position leading to the filling path of the mold and the filling opening is covered, wherein a sterile barrier together with a serving as a separator cutting edge movable, heated to germicidal temperature plate is provided.
• a manufacturing method for pertinent containers using the device is known by the European patent.
• the mold When manufacturing highly sensitive products, for example in the form of special pharmaceuticals to meet international standards for aseptic packaging, the mold, when placed in the filling position, is under a so-called bottling sterile room (ASR), in which sterile air flows over the open filling opening of the containers and provides effective protection against the ingress of germs until, after completion of the filling operation, movable head jaws of the mold are closed to form the desired head closure of the container by a combined vacuum welding operation. Due to the sterile barrier prevents foreign bodies can fall into the open filling opening after cutting the tube before the form has reached the filling sterile room (ASR) and further prevents the sterile barrier during this process section and the unwanted access of germs to the filling opening.
• ASR bottling sterile room
• JP 2004-042961 AA shows a device solution in which inert gas is displaced as a displacement medium in the direction of the container opening by means of a feed device which is brought over a free container opening of a filled container in order to increase the oxygen content by displacing it from the container opening reduce.
• DE 1 566 547 A discloses a method for filling and closing ampoules as containers, in which a filling mandrel with a filling channel for the supply of the product to be introduced into the container is enclosed in a concentric arrangement by a medium supply channel which points outwards from enclosed in a wall part of the feed device, the supply of a displacement medium, in the form of an inert gas, is used, so as to minimize the oxygen content inside the container.
• No. 6,112,780 A discloses a generic device for minimizing the oxygen content of containers to be filled, such as bottle products, having a feed device which has different media transport channels in a concentric arrangement, wherein the innermost channel in turn forms the filling channel of a filling mandrel ,
• a filling channel surrounding the media supply channel for the displacement medium in the form of an inert gas is in turn comprises a media removal channel, which serves to remove the displacement medium together with the oxygen from the respective container (3-tube solution).
• a further media supply channel is arranged in a concentric arrangement between the first media supply channel and the outermost media discharge channel so as to pulse the displacement medium into the interior of the container with the product filled in ( 4 tubes solution).
• the invention is therefore based on the object to further improve the known devices to the effect that this minimization during the manufacturing process allow the oxygen content to the required specifications of 0.2 to 0.5% residual oxygen content in the free head of each container.
• This object is achieved by a device having the features of claim 1 in its entirety.
• the filling channel is guided with its free cross-section in a larger cross-section annular channel area of the filling dome and that within the annular channel region of the filling channel the media supply channel from the respective media transport channel media density separates, is a very small-building device for Minimizing the oxygen content created in containers to be filled, so that little "dead space" is created, which could be filled with air, which can then no longer be displaced, so the low residual oxygen content of 0.2 to 0.5% of the otherwise existing oxygen
• the displacement medium preferably consisting of a noble gas, such as argon, or an inert gas, such as nitrogen gas, can be flushed into the respective container by means of the feed device in such a way that it almost completely displaces the residual oxygen before it is sealed off from the container ngt, so that the oxidation processes described are avoided at the expense of extremely oxygen-sensitive and stored in the container product, which benefits a long shelf life of the entire product.
• the media transport channel serves for the removal of the displacement medium together with the oxygen from the respective container, or the supply of the displacement medium into the respective container.
• the displacement medium is supplied via the respective media supply channel and the media transport channel is designed as a media discharge channel in order to discharge the displacement medium with the oxygen from the container opening.
• the media trans- Port channel as a further media supply channel, so that in spite of the installation space kept small supply situation a maximum amount to be supplied displacement medium is achieved in order to minimize the oxygen content in a very efficient manner.
• the displacement medium is supplied via the respective media supply channel as well as via the respective media transport channel, this can be displaced directly into the environment outside of the feed device from the container interior, as well as the atmospheric oxygen to be displaced.
• a minimization of the required installation space is also beneficial if the filling channel, the media supply channel and the media transport channel, the media density separated from each other are arranged within the annular channel region of the Randomes have the same input and / or Ausbringrich- lines. Also, the resulting parallel arrangement of the channels allows a streamlined transport of the individual media.
• the annular channel region of the Meddorns seen in cross-section is circular and a Bikanal limiting wall of the Meddorns forms a reduced in cross-section in a transverse oval, in the longitudinal direction of the inner wall of the circular annular channel area abuts in order to separate the crescent-shaped free cross sections of the media supply channel and the media transport channel formed so far from each other.
• all media channels are combined centrally in the feeder in a particularly space-saving manner.
• the above displacement results can be improved if another media channel, preferably designed as a media supply channel, in concentric arrangement to the wall of the filling dome and this is comprehensively present, wherein the further media channel is chambered outwardly from another wall of the feeder. Additionally or alternatively, it can further preferably be provided to provide the surrounding area of the respective container to be filled with a barrier medium by means of a further supply device, at least partially. In this way, the oxygen content in the surrounding area of the respective container opening can also be reduced, which contributes to an improvement in the minimization result of oxygen content.
• FIG. 2 shows the partially closed blow mold of FIG. 1 after transferring to a filling position and after forming the container to be filled;
• FIG. 3 shows a longitudinal section through the relevant parts of the device according to the invention along with a sectional view of a part of the molding apparatus according to FIGS. 1 and 2; 4 shows a section along the line IV - IV in Figure 3;
• FIG. 5 shows a comparison with the solution according to FIG! simplified embodiment of the device according to the invention in longitudinal section.
• FIGs 1 and 2 show parts of a device, as in the context of the known bottelpack ® system for producing plastic containers is used in the blow molding process, wherein by means of an extruder device 1, a tube 3 of molten plastic material between the two mold halves 5 a mold 6 is extruded, which is shown in Figure 1 in the open state. After extruding the tube 3 into the opened mold 6, the tube 3 is severed between the nozzle exit of the extruder device 1 and the top side of the mold 6. In Figure 1, the dividing line is shown in dashed lines and designated 8.
• FIG. 2 shows the mold 6 in a partially closed state, wherein for the main part of the container to be formed from the tube 3 12 forming parts, namely the mold halves 5, so moved together that bottom welding edges 7 at the lower end of the hose 3 a Perform welding process to close the hose 3 at a bottom weld 9.
• FIG. 2 further shows the mold 6 in a filling position, in which the mold is displaced sideways in relation to the position shown in FIG. 1, which is aligned with the extruder device 1.
• the container 12 which was previously formed, in which blowing air has been blown through the open filling opening 15 by means of a blowing mandrel (not shown), is filled via the filling opening 15 with a filling material, for example in the form of a liquid pharmaceuticals, filled.
• 2 shows the end of the filling mandrel 17 introduced into the filling opening 15 for this purpose.
• the molding and filling of the container can also take place by means of a combined blow-forming filling mandrel.
• the container 12 may be molded, rather than with compressed air introduced via the mandrel, also with vacuum applied to the mold. Both methods can also be combined.
• the shaping tools 5, 13 shown in FIGS. 1 and 2 are reproduced there as viewed in the direction of FIGS. 3 and 5.
• the device according to the invention now serves to minimize the oxygen content in the containers 12 to be filled, which, as set out, are preferably completely produced by a blow molding, filling and closing process.
• the pertinent oxygen content is located in particular in the cavity 19 as shown in Figure 2 between the maximum level height of the product introduced and the container closure on the top of the head.
• a feed device 20 designated as a whole, which feeds a displacement medium into the cavity 19, which displaces the oxygen from the container 12 before closing it.
• the displacement medium used is preferably an inert gas such as nitrogen gas.
• the feed device 20 has a medium supply channel 22 for the nitrogen gas, which can be fed into the cavity 19 of the respective container 12 to this extent.
• the pertinent Rulezucht- channel 22 is shown in the Figure 4, which reproduces a cross section through the feeding device 20 along the line IV - IV.
• the media supply channel 22 at the upper end portion of the minimization device is guided in an extended annular channel 24, via the outside via suitable transport channels (not shown), the nitrogen gas is supplied as a displacement medium.
• the feed device 20 is part of a filling device 26 by means of which the respective container 12 can be filled with the product to be stored.
• the filling device 26 engages in this respect on the previously described Golfdorn 17 back, which has a centrally disposed filling channel 28, wherein the Artdorn 17 is held at its seen in the direction of Figure 3 upper free end in a receptacle 30 customary for this purpose is, via the center channel 32, the product supply takes place in the container 12.
• said Gresen 17 still has a media transport channel 34 as a discharge channel, which in turn is shown only in cross section in Figure 4 and the removal of the displacement medium together with the oxygen from the remaining cavity 19 of the respective container 12 is used.
• the pertinent stipulateabschreibkanal 34 ends with its seen in the direction of Figure 3 upper free end in a further annular channel 36 which is disposed below the first annular channel 24 and which is connected to a discharge line (not shown) of the overall device from which Nitrogen gas as the displacement medium together with the residual oxygen from the container 12 can be discharged.
• the pertinent removal can still further support, but the negative pressure to be set is to be chosen so that not unwanted introduced into the container 12 product is sucked out of this. Also, the amounts of displacement media to be supplied, such as nitrogen gas, are oriented at the free head cross-sections of the container 12 along with the free volumes of oxygen within the cavity 19.
• the annular channel portion 38 is seen in cross-section circular and the filling channel 28 bounding wall 39 forms a reduced in cross-section in a transverse oval, which abuts in the longitudinal direction of the inner wall 41 of the circular ring channel area 38, to such Crescent-shaped free cross sections of the channels 22 and 34 to separate from each other.
• the respectively desired media transport is achieved in the smallest possible space within the filling mandrel 17, wherein the re-entry of the displacement medium with the residual oxygen into the media discharge channel 34 occurs after the exit of the displacement medium from the media supply channel 22 in the reverse arrow direction 40.
• a blocking medium preferably in the form of nitrogen gas
• a blocking medium can additionally be supplied via supply spaces 42 to a further feed device of the receiving device 30, as seen in the viewing direction in FIG. 3 on the underside of the receiving device 30 an annular barrier channel 44 down to the outside occurs and in this respect forms a barrier curtain formed from nitrogen gas, which helps prevent the free access of ambient oxygen in the direction of the free filling opening 15 of the container 12.
• the flow direction of the nitrogen gas is represented by arrows.
• the further embodiment according to FIG. 5 corresponds from the basic construction to the feed device 20 and the filling device 26 to the thorn-like structure according to FIG. This time, however, is supplied via both channels 24 and 36 displacement medium, preferably in the form of pressurized nitrogen gas, and blown through the two opposite media channels 22 and 34 into the interior of the container 12 at the same time, which also during the filling via the centrally disposed filling channel 28th can be done. Excess nitrogen gas is then blown off, as the exit arrows show, into the environment and thereby entrained residual oxygen, so that even with this modified embodiment, a minimization of the oxygen content in the container 12 is possible.
• both channels 24 and 36 displacement medium preferably in the form of pressurized nitrogen gas
• the air in the head region of the container 12, as shown, is displaced outward.
• the free end of Meddornes 17 and thus the filling channel 28 protrudes in the axial direction relative to the free inlet and outlet ends of the media channels 22 and 34.
• the media transport channel 34th serves the media transport channel.
• a further media channel 45 according to the embodiment according to FIG. 5 comprises on the circumference the wall 47 of the filling mandrel 17 and is chambered outwardly from a further wall 49 of the feed device 20. Further, the media channel 45 is supplied via the channel 36 with the displacement medium. 5, the free end of the media channel 45 is again set back relative to the free end of the Golfdorns 17 so as to achieve an effective barrier curtain by means of the barrier medium, such as inert gas, for the container opening.
• the sealing gas is blown into the still open mold tube for the container 12, when the Artdorn 17 is already starting to lift. Through the outer media channel 45 inert gas flows permanently until the head jaw 13 of the mold is closed and in this respect the container opening.
• the media channel 45 the Golfdorn 17 with the other media channels 22,28,34 includes to alike a barrier gas curtain to form relative to the ambient air, which is particularly advantageous if said Golfdorn 17 is already in the off-hook.
• the residual oxygen in container products can be reduced to less than 0.5% and even further down to the range of 0.2% and less.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Dispersion Chemistry (AREA)
• Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
• Basic Packing Technique (AREA)
• Vacuum Packaging (AREA)
• Separation Using Semi-Permeable Membranes (AREA)
• Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
• Oxygen, Ozone, And Oxides In General (AREA)

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Citations (4)

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• 2007
  • 2007-03-29 DE DE102007015078A patent/DE102007015078A1/de not_active Withdrawn
• 2008
  • 2008-03-27 AU AU2008234135A patent/AU2008234135B2/en not_active Ceased
  • 2008-03-27 AT AT08734795T patent/ATE532708T1/de active
  • 2008-03-27 CN CN2008800094834A patent/CN101641257B/zh not_active Expired - Fee Related
  • 2008-03-27 KR KR1020097020196A patent/KR101454185B1/ko active Active
  • 2008-03-27 EP EP08734795A patent/EP2125524B1/de not_active Not-in-force
  • 2008-03-27 ES ES08734795T patent/ES2374853T3/es active Active
  • 2008-03-27 CA CA2681437A patent/CA2681437C/en not_active Expired - Fee Related
  • 2008-03-27 PT PT08734795T patent/PT2125524E/pt unknown
  • 2008-03-27 JP JP2010500136A patent/JP5291082B2/ja active Active
  • 2008-03-27 MX MX2009010408A patent/MX2009010408A/es active IP Right Grant
  • 2008-03-27 PL PL08734795T patent/PL2125524T3/pl unknown
  • 2008-03-27 WO PCT/EP2008/002399 patent/WO2008119494A1/de not_active Ceased
  • 2008-03-27 US US12/450,079 patent/US9150317B2/en active Active

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