EP3419902A1 - Procédé de déformation de contenants remplis de liquide chaud - Google Patents

Procédé de déformation de contenants remplis de liquide chaud

Info

Publication number
EP3419902A1
EP3419902A1 EP16819048.6A EP16819048A EP3419902A1 EP 3419902 A1 EP3419902 A1 EP 3419902A1 EP 16819048 A EP16819048 A EP 16819048A EP 3419902 A1 EP3419902 A1 EP 3419902A1
Authority
EP
European Patent Office
Prior art keywords
container
containers
fluid
jet
fluid pressure
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
EP16819048.6A
Other languages
German (de)
English (en)
Other versions
EP3419902B1 (fr
Inventor
Bastian Tißmer
Ulrich Lappe
Arno Haner
Jochen Hirdina
Andreas Wutz
Gerald Huettner
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.)
Krones AG
Original Assignee
Krones AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Krones AG filed Critical Krones AG
Publication of EP3419902A1 publication Critical patent/EP3419902A1/fr
Application granted granted Critical
Publication of EP3419902B1 publication Critical patent/EP3419902B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/24—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for shaping or reshaping completed packages
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D79/00—Kinds or details of packages, not otherwise provided for
    • B65D79/005—Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting
    • B65D79/008—Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting the deformable part being located in a rigid or semi-rigid container, e.g. in bottles or jars
    • B65D79/0081—Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting the deformable part being located in a rigid or semi-rigid container, e.g. in bottles or jars in the bottom part thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/04—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus without applying pressure
    • B67C3/045—Apparatus specially adapted for filling bottles with hot liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C7/00—Concurrent cleaning, filling, and closing of bottles; Processes or devices for at least two of these operations
    • B67C7/0073—Sterilising, aseptic filling and closing
    • B67C7/0086—Sterilisation being restricted to the area of application of the closure
    • 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
    • B65B2220/00—Specific aspects of the packaging operation
    • B65B2220/24—Cooling filled packages
    • 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
    • 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
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C2003/226—Additional process steps or apparatuses related to filling with hot liquids, e.g. after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C7/00—Concurrent cleaning, filling, and closing of bottles; Processes or devices for at least two of these operations

Definitions

  • the invention relates to a method for bottom molding of hot-filled container according to the preamble of claim 1 and a corresponding production plant for hot filling of containers.
  • the hot filling of beverages or the like in containers is usually carried out at product temperatures of 70 to 95 ° C.
  • product temperatures 70 to 95 ° C.
  • a negative pressure is created in them due to the volume of air present in the headspace of the containers.
  • thin-walled plastic container deformed by the inside.
  • WO 2010/129402 A1 describes a panelless bottle with a bottom membrane which is drawn inwards into a final setpoint position solely by the negative pressure arising on cooling.
  • membranes or the like thin-walled floor areas in use usually do not have the desired dimensional stability and / or mechanical resistance.
  • WO 2013/139874 A1 proposes to mechanically press the bottom of a panelless bottle with the aid of a punch, while the bottle is clamped between a turntable and a centering bell.
  • This Bodenausformung also called soil activation, however, requires a complicated lifting mechanism in the turntable.
  • the bottom shaping then takes place in the region of a labeling machine or the like, that is to say at a comparatively late point in time, after the containers have largely cooled down. In the meantime, however, the containers may have already deformed undesirably.
  • the handling of the container is carried out to Bodenausformung in the non-activated state of the soil. This makes it difficult to reliably transport, for example, upright containers and / or requires appropriately adapted means of transport.
  • the soil activation is carried out according to the invention fluid-induced without the soil inwardly pressing body, such as a stamp, a negative mold of the soil or the like.
  • the fluid jet and / or the fluid pressure wave can be directed onto the bottoms of the containers, regardless of the orientation of the containers, for example in the case of an upright orientation, lying orientation or upside down orientation of the containers.
  • the turned-out state of the floors is produced, for example, during stretch blow molding of the containers.
  • the outwardly inverted state is preferably a quasi-stable state that does not change when handling the empty containers, filling the containers, and closing the containers. Only by deliberate action of a fluid pressure from the outside on the ground, this changes into an inverted state.
  • the bottoms are preferably pressed inwards by a jet of water, in particular a cooling water jet.
  • a jet of water in particular a cooling water jet.
  • the bottoms can be pressed inwards, in particular during neck sterilization, or, for example, during the cooling of the containers.
  • a cooling water jet can simultaneously cause a desired cooling effect and the activation of the container bottom.
  • the floors are pushed inwards by a jet of compressed air.
  • Compressed air jets can be directed flexibly to the containers in different areas of filling systems, for example during the transfer or transport of the containers between individual processing stations.
  • a compressed air jet would be advantageously used for example in the field of neck sterilization of the container.
  • the bottoms are pushed inwardly by a shock wave.
  • a shock wave For example, such fluid pressure waves may be transmitted to the container bottom by water and a flexible membrane of rubber or the like applied to the bottoms.
  • Suitable shock wave generators work, for example, on the principle of a lithotripter.
  • the fluid jet and / or the fluid pressure wave are directed to the trays in a lying orientation and, in particular, during the transport of the containers.
  • the bottoms can then be pressed inwards in a simple manner, in particular in the area of neck sterilization.
  • the activation of the floors then takes place immediately after closing the container.
  • the likelihood of problems with transporting the containers with inactivated trays and / or the containers becoming permanently deformed undesirably on their sidewalls decreases.
  • the fluid jet and / or the fluid pressure wave are directed at upright orientation and in particular during transport of the containers to the trays.
  • the containers can then be suspended or suspended on a longitudinally divided conveyor belt from below with at least one fluid jet and / or at least one fluid pressure wave.
  • a suspended or stationary transport of the container is practicable, for example, in the area of a container recooler.
  • the containers are fixed by the action of the fluid jet and / or the fluid pressure wave from above through an axial and thus acting in the longitudinal direction of the container abutment.
  • a lifting of the container from a conveyor belt or the like during the action of the fluid jet and / or the fluid pressure wave, and in particular a drop of the container avoid.
  • the fluid jet and / or the fluid pressure wave are directed at upside-down transported containers on the floors.
  • the fluid jet and / or the fluid pressure wave counteracts any fluid pressure from above.
  • a supply of the fluid jet and / or the fluid pressure wave from above is both space-saving than during maintenance advantageous.
  • the fluid jet and / or the fluid pressure wave are directed towards the bottoms in the area of a neck sterilizer.
  • the activation of the floors then takes place particularly early, essentially immediately after the closure of the containers. Potential complications due to transport errors in inactivated soils can be minimized as well as the risk of permanent uncontrolled deformation of the container.
  • the fluid jet and / or the fluid pressure wave are preferably directed onto the trays in the region of a container recooler.
  • a fluid jet in the region of a container recooler can be produced with particularly low expenditure on equipment.
  • the containers are plastic Panelless bottles. Such bottles can then be formed with particularly thin side walls and / or labeled in a flexible manner and / or print. As a result, both plastic material can be saved and the freedom of design with regard to possible container shapes and labels can be extended.
  • the bottom shaping causes a reduction in volume of the container and thereby compensates for a negative pressure in the containers induced by cooling the hot-filled and sealed container to at least 50%, in particular to at least 75%. An undesirable deformation of the container side walls can be avoided.
  • a production plant according to claim 13. Accordingly, this is used for hot filling of containers and includes a filler and arranged downstream of the filler treatment machines and transport routes for the container. In the region of at least one of the treatment machines and / or transport sections, a pressure fluid source for at least one fluid jet and / or a fluid pressure wave for carrying out the method according to at least one of the preceding embodiments is arranged.
  • the bottoms of the container can be activated in a flexible manner at appropriate points of the production plant and in a gentle manner.
  • the location of the soil activation can be adapted to the requirements of the container transport. By this is meant that an undesirable restriction or deterioration of the container transport due to still inactivated soils can be specifically avoided, both in upright orientation of the container as well as in horizontal orientation or upside down.
  • the pressurized fluid source for the at least one fluid jet and / or the at least one fluid pressure wave is preferably arranged in the region of a neck sterilizer and / or in the region of a container recooler.
  • the activation of the trays can then be carried out at a comparatively high temperature, in particular before a substantial or final cooling of the containers.
  • the trays are more flexible at elevated plastic temperature and can be activated with less fluid pressure. Furthermore, a permanent uncontrolled deformation of the container, in particular in its side wall area, avoid by the activation of the soil takes place as soon as possible after closing the container.
  • fluids in the area of neck sterilizers and / or container recoolers can be used particularly easily.
  • water jets in the area of the container recooler can be aimed without difficulty at the containers and catch the radiated water again.
  • Figure 1 A, 1 B is a schematic representation of the method for Bodenausformung
  • Figure 2 is a schematic representation of a production plant for the hot filling of
  • Figure 3 shows an alternative embodiment for bottom molding lying container
  • Figure 4 shows an alternative embodiment for Bodenausformung transported upside down
  • the method according to the invention for bottom shaping of hot-filled containers 1 can take place, for example, in an upright orientation 2 and in particular during transport of the containers 1.
  • the bottom 3 of the container 1 is acted upon from below with a fluid jet 4 from a pressure fluid source 5.
  • the fluid jet 4 may be, for example, a water jet which is directed by means of a nozzle 5a of the pressure fluid source 5 to the bottom 3 of the container 1. Water rebounding from the bottom 3 can be collected with a collecting trough 5b, which is preferably also designed as a spray-water protection, or the like catching device.
  • FIG. 1A the bottom 3 is in an outwardly turned-out state 6 before the method according to the invention is carried out.
  • FIG. 1B shows the bottom 3 in an inner state 7 pressed inwards and in particular finished, after the method has been carried out.
  • the outer state 6 can also be referred to as inactivated state of the bottom 3, the inner and in particular finished molded state 7 as an activated state.
  • the complete activation of the bottom 3 is in principle also possible in several sub-steps and / or in different plant areas.
  • the outer state 6 may be referred to as a quasi-stable state, the dimensional stability without targeted activation of the bottom 3, so without the action of an external overpressure on the bottom 3, both in the handling of the empty container 1 and when filling and closing the container 1 is.
  • the finished molded bottom 3 has a final shape intended for later use.
  • FIG. 1A indicates schematically, the change takes place between the outer state 6 and the inner state 7 of the bottom 3, in that a particularly central section 3a of the bottom 3 is pressed inwards from a quasi-stable outer position. It may be sufficient for the fluid jet 4 to move the bottom 3 only up to an unstable intermediate position 8 pressed inside and the bottom 3, starting from the intermediate position 8 automatically merges into the inner state 7, see Figure 1 B. Possible, for example, an elastic overpressure of the central portion 3a beyond a present at the intermediate position 8 dead center, with the result of a subsequent automatic insertion of the section 3a to 7 in the inner state.
  • the container 1 has a volume V1 before the hot filling and a volume V2 after the bottom forming.
  • the compensatory reduction in volume AV V1 - V2 to compensate for a negative pressure in the closed container 1 is generated by the change from the outer state 6 to the inner state 7.
  • a hot-filled liquid product 9 is present in the closed container 1.
  • a partial volume V3 of the container 1 is filled above the product 9 with, in particular, still hot air 10.
  • a smaller partial volume V4 with air 10 remains above the product 9.
  • the compensatory volume reduction ⁇ V compensates for a pressure drop caused by the cooling of the air 10 above the product 9. In this case, the volume change of the product 9 during cooling can be approximately neglected.
  • the fluid jet 4 is directed onto the trays 3 during a bottom-free transport of the containers 1.
  • the containers 1 are moved for this purpose by a transport 1 1 in a transport direction 1 1 a and hang down this floor in brackets 12, which also serve as an upper axial abutment when exposed to the fluid jet 4.
  • the brackets 12 grip the container 1, for example, on the neck area 1 b.
  • the containers 1 can alternatively stand on a transporting means 13 which, for example, comprises two conveyor belts 13b running in a transport direction 13a.
  • the fluid jet 4 can then be directed onto the trays 3 between the two conveyor belts 13b.
  • the axial freedom of movement of the container 1 is limited by a separate axial abutment 14 upwards to avoid excessive lifting of the container 1 from the transport 13 or even dropping the container 1.
  • the anvil 14 could for example be a stationary slide rail or an actively or passively with the containers 1 revolving band or the like.
  • lateral stationary guide rails 15 or laterally moving bands may be present.
  • the fluid jet 4 may be delivered cyclically from at least one stationary source of pressurized fluid 5 as the tray 3 passes through the working area of the source of pressurized fluid 5. It can also be several pressure fluid sources 5 in the transport direction 1 1 a, 13a lying behind each other to effect the transition between the outer state 6 and the inner state 7 in stages and / or to several containers 1 simultaneously.
  • the pressure fluid source 5 could run over a predetermined transport section in the transport direction 1 1 a, 13a with the containers 1 or even multiple sources of pressurized fluid 5, each with a container 1. This increases the exposure time of the fluid jet 4 and / or this selectively on to direct the section 3 a of the bottom 3 to be activated.
  • the at least one pressure fluid source 5 could for this purpose, for example, in and against the transport direction 1 1 a, 13a oscillate.
  • the fluid jet 4 may be a water jet, a compressed air jet or another gas jet.
  • Water jets have the advantage over compressed air jets of lower noise and a better cooling effect.
  • Suitable collecting means for the discharged water are, for example, collecting troughs 5b or the like in the area of container recoolers and neck sterilizers.
  • FIG. 2 schematically shows a production plant 20 for hot filling of the containers 1. Accordingly, the containers 1 are filled with the hot product 9 in a filler 21 and conveyed to a capper 23 by means of a transport path 22 which comprises, for example, at least one transfer star and / or linear conveyor to hand over.
  • a transport path 22 which comprises, for example, at least one transfer star and / or linear conveyor to hand over.
  • the containers 1 sealed therein are transferred to a neck sterilizer 25 by means of a transport path 24 which, for example, comprises at least one transfer star and / or linear conveyor.
  • a transport path 24 which, for example, comprises at least one transfer star and / or linear conveyor.
  • this container 1 are brought in a known manner in a horizontal orientation or transported upside down to sterilize the neck portion 1 b of the container 1 with the still hot product 9.
  • the containers 1 thus treated are fed by means of a further transport path 24 to a container recooler 26, in which the containers 1 are cooled to a temperature suitable for further processing, for example to room temperature.
  • the cooled container 1 can finally be transferred by means of a further transport path 24 to a labeling machine 27 or the like for processing.
  • the fluid jet 4 can consist both of cooling water and of appropriately tempered water so as not to hinder the neck sterilization process. Also conceivable is a fluid jet 4 consisting of compressed air.
  • At least one fluid jet 4 for carrying out the method could be directed onto the containers 1, for example in the form of tempered water, cooling water or compressed air.
  • the fluid jet 4 is preferably provided in the form of cooling water. In this way, both the floors 3 compensate ausformisch as well as perform the re-cooling of the container 1 in an economical manner. Due to the time required for the re-cooling of the container 1 drip pans for water or the like is formed by the application of the fluid jet 4 only little expenditure on equipment.
  • Transport paths 24, the neck sterilizer 25 and / or the container recooler 26 are preferably encapsulated in a housing and / or equipped with drip pans 5b or the like, for example for sound insulation and / or for a splash water protection for performing the method.
  • the neck sterilization of the containers 1 can take place in a horizontal orientation 31 of the containers 1 or upside down.
  • Head-up means that the mouth region of the container 1 either points vertically downwards or has an obliquely downwardly pointing orientation 32, as shown by way of example in FIG.
  • the transport and the re-cooling of the container 1 is possible in principle in any orientation 2, 31 and / or 32.
  • FIG. 3 schematically illustrates the transport of the containers 1 in the region of the neck sterilizer 25.
  • the container 1 lies on a conveyor belt 33 for this purpose and is stabilized axially by a lateral abutment 34.
  • the counter-bearing 34 could be both a stationary sliding plate and a belt or belt running in the direction of transport 33a.
  • a fluid pressure wave 35 can be directed onto the ground 3 with the aid of a shock wave generator 36.
  • the shock wave generator 36 may be formed, for example, based on a lithotripter and direct the fluid pressure wave 35 through a water reservoir 37 and a flexible membrane 38 to the bottom 3.
  • FIG. 4 further illustrates a container 1 which is inclined upside down during the implementation of the method in an orientation 32.
  • the fluid jet 4 is alternatively indicated schematically in the example of FIG. 4 as a compressed air jet.
  • the compressed air jet is, for example delivered from a nozzle 5a, which may be formed both stationary, for example, as a along a transport direction 39a extending slot nozzle, or can run with a transport section with the containers 1.
  • transport means 39 which move the container 1 in the transport direction 39a.
  • the method according to the invention for bottom molding is preferably carried out before and / or during an active re-cooling of the closed container 1.
  • a transport of the container 1 is then possible early in the inner state 7 and in particular with finished molded bottoms 3. This can reduce transport problems that might otherwise occur due to an intermediate deformation of the container 1.
  • the bottom 3 has a lower rigidity in the hot state, so that lower fluid pressures are necessary for carrying out the method than with ready recooled container. 1
  • the containers 1 are preferably provided by a stretch blow molding machine (not shown) as a continuous product stream and are preferably so-called panelless containers or panelless bottles. That is, the container 1 then have no provided for the vacuum equalization compensation surfaces on their side walls.
  • the containers 1 are preferably supplied to the filler 21 with an air conveyor or the like as a continuous product stream.
  • the containers 1 are filled in the filler 21 with the product 9 hot at a product temperature of preferably at least 85 ° C, in particular from 85 to 92 ° C.
  • the subsequently sealed containers 1 are transported substantially at the filling temperature of the product 9 into the region of the neck sterilizer 25. There, the containers 1 are preferably placed in a lying orientation 31 or placed upside down to sterilize the neck portion 1 b of the container with the still hot product 9.
  • the transport through the neck sterilizer 25 can either be carried out at a constant transport speed or intermittently.
  • a fluid jet 4 and / or a fluid pressure wave 35 in the region of the neck sterilizer 25 with the container 1 stationary to the bottom 3 and the container 1 in front of and / or thereafter with a transport speed increased relative to a mean transport speed of the transport sections 24 transport.
  • the loading of the floors 3 with the fluid beam 4 and / or simplified with a fluid pressure wave 35 it would also be conceivable to move at least one pressure fluid source 5 and / or a shock wave generator 36 or the like pressure wave generator via a transport section with the containers 1 and to direct the fluid jet 4 and / or the fluid pressure wave 35 to the trays 3.
  • the container recooler 26 After the neck sterilization of the container 1, these are forwarded to the container recooler 26.
  • the container 1 can be brought back into an upright orientation 2.
  • a bottom formation in the container recooler 26 can be carried out.
  • a fluid jet 4 in the form of cooling water is directed onto the trays 3.
  • a transport path can also be formed in the container recooler 26, in which the containers 1 stand still during the bottom formation and / or are transported slower than their average transport speed through the production plant 20. There are correspondingly faster transport sections for compensation before or after the area of the bottom forming train.
  • a plurality of nozzles 5a or the like lying one behind the other in the transport direction 11a, 13a can also be designed to dispense fluid jets 4. These are then activated in cycles, for example, as soon as a container 1 passes through the region of a nozzle 5a. It would also be conceivable to move individual nozzles 5a with associated bottoms 3 substantially at the respective transport speed. For this purpose, oscillating holders for the nozzles 5a could be formed in this regard.
  • the recooled containers 1 are preferably transported downstream with finished trays 3, that is to say in the formed state 7, for further processing. Following the container re-cooling, the containers 1 are labeled and / or printed, for example, in the labeling machine 27.
  • the containers 1 Due to the container re-cooling and the bottom shaping, the containers 1 have a shape which is both mechanically stable and intended for further processing. As a result, possible problems during transport and further processing of the container 1 are minimized.
  • the compensatory bottom shaping according to the invention by means of pressure fluid jet 4 and / or fluid pressure shaft 35 is particularly gentle on the material and eliminates the need for stamps and actuating mechanisms to be adapted to the bottoms 3.
  • the fluid jets 4 and / or the fluid pressure waves 35 can be used without problem in different soil forms and flexibly adapted to changed stiffness or other mechanical properties of the soil 3. Likewise, mechanical damage in the Bodenausformung can be easily avoided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Abstract

La présente invention concerne un procédé de déformation du fond de contenants (1) remplis de liquide chaud, selon lequel les fonds (3) des contenants sont poussés vers l'intérieur, en particulier lors du refroidissement, à partir d'un état (6) faisant saillie vers l'extérieur. Le fait que les fonds sont poussés vers l'intérieur par au moins un jet de fluide (4) et/ou une onde de pression de fluide (35) permet de renoncer à des mécanismes onéreux d'enfoncement du fond. En outre, la déformation du fond peut être avantageusement réalisée dans une zone de production directement adjacente à un poste de fermeture.
EP16819048.6A 2016-02-25 2016-12-15 Procédé de déformation de contenants remplis de liquide chaud Active EP3419902B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016202908.8A DE102016202908A1 (de) 2016-02-25 2016-02-25 Verfahren zur Bodenausformung heißabgefüllter Behälter
PCT/EP2016/081266 WO2017144139A1 (fr) 2016-02-25 2016-12-15 Procédé de déformation de contenants remplis de liquide chaud

Publications (2)

Publication Number Publication Date
EP3419902A1 true EP3419902A1 (fr) 2019-01-02
EP3419902B1 EP3419902B1 (fr) 2020-03-18

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US (1) US11453522B2 (fr)
EP (1) EP3419902B1 (fr)
CN (1) CN108698727B (fr)
DE (1) DE102016202908A1 (fr)
WO (1) WO2017144139A1 (fr)

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WO2019059912A1 (fr) 2017-09-21 2019-03-28 Amcor Group Gmbh Procédé de retournement d'une base de récipient avant refroidissement

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US4880129A (en) * 1983-01-05 1989-11-14 American National Can Company Method of obtaining acceptable configuration of a plastic container after thermal food sterilization process
SE462591B (sv) * 1988-12-29 1990-07-23 Plm Ab Saett och anordning foer framstaellning av behaallare
JP3200617B2 (ja) * 1992-07-20 2001-08-20 株式会社吉野工業所 合成樹脂製耐圧壜体の成形方法および冷却装置
US7900425B2 (en) * 2005-10-14 2011-03-08 Graham Packaging Company, L.P. Method for handling a hot-filled container having a moveable portion to reduce a portion of a vacuum created therein
WO2005012091A2 (fr) * 2003-07-30 2005-02-10 Graham Packaging Company, L.P. Systeme de manipulation de recipient
US8127955B2 (en) * 2000-08-31 2012-03-06 John Denner Container structure for removal of vacuum pressure
US9969517B2 (en) * 2002-09-30 2018-05-15 Co2Pac Limited Systems and methods for handling plastic containers having a deep-set invertible base
US7799264B2 (en) * 2006-03-15 2010-09-21 Graham Packaging Company, L.P. Container and method for blowmolding a base in a partial vacuum pressure reduction setup
WO2008004458A1 (fr) * 2006-07-03 2008-01-10 Hokkai Can Co., Ltd. Procédé et dispositif pour produire une bouteille à remplissage de contenu
JP4814726B2 (ja) * 2006-08-25 2011-11-16 北海製罐株式会社 内容物充填ボトルの製造方法
JP4858700B2 (ja) * 2006-10-18 2012-01-18 東洋製罐株式会社 プラスチックボトルの減容方法
EP2025603A1 (fr) * 2007-07-11 2009-02-18 Aisapack Holding SA Bouteille plastique pour remplissage à chaud ou traitement thermique
CA2766426A1 (fr) 2009-05-05 2010-11-11 Amcor Rigid Plastics Usa, Inc. Bouteille plastique sans panneau pour embouteillage a chaud
DE102009060655A1 (de) * 2009-12-22 2011-06-30 Krones Ag, 93073 Kühleinrichtung zum Stabilisieren einer Behältnisstruktur
ITTO20120251A1 (it) 2012-03-20 2013-09-21 Sidel Spa Con Socio Unico Macchina etichettatrice
DE102012017364A1 (de) * 2012-09-01 2014-03-06 E-proPlast GmbH Vorrichtung und Verfahren zur dauerhaften Umformung von PET-Flaschen oder PET-Behältern nach der Heißabfüllung
DE102013109907A1 (de) * 2013-09-10 2015-03-12 Krones Ag Vorrichtung zur Bodennachkühlung

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US20190039768A1 (en) 2019-02-07
DE102016202908A1 (de) 2017-08-31
US11453522B2 (en) 2022-09-27
CN108698727B (zh) 2020-09-18
WO2017144139A1 (fr) 2017-08-31
CN108698727A (zh) 2018-10-23
EP3419902B1 (fr) 2020-03-18

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