EP1877314B1 - Verfahren und vorrichtung zum füllen eines behältnisses mit variablem nutzvolumen - Google Patents

Verfahren und vorrichtung zum füllen eines behältnisses mit variablem nutzvolumen Download PDF

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Publication number
EP1877314B1
EP1877314B1 EP06726324A EP06726324A EP1877314B1 EP 1877314 B1 EP1877314 B1 EP 1877314B1 EP 06726324 A EP06726324 A EP 06726324A EP 06726324 A EP06726324 A EP 06726324A EP 1877314 B1 EP1877314 B1 EP 1877314B1
Authority
EP
European Patent Office
Prior art keywords
reservoir
filling
cannula
fluid
vacuum
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
EP06726324A
Other languages
English (en)
French (fr)
Other versions
EP1877314A1 (de
Inventor
Alain Behar
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.)
AirlesSystems SAS
Original Assignee
AirlesSystems SAS
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 AirlesSystems SAS filed Critical AirlesSystems SAS
Publication of EP1877314A1 publication Critical patent/EP1877314A1/de
Application granted granted Critical
Publication of EP1877314B1 publication Critical patent/EP1877314B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65B31/003—Adding propellants in fluid form to aerosol 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
    • 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
    • B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B3/16—Methods of, or means for, filling the material into the containers or receptacles for filling collapsible tubes
    • 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
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • B65D83/0061—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents the contents of a flexible bag being expelled by the contracting forces inherent in the bag or a sleeve fitting snugly around the bag
    • 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
    • B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
    • B65B7/2842—Securing closures on containers
    • B65B7/2878—Securing closures on containers by heat-sealing

Definitions

  • the present invention relates to a method of filling a reservoir of variable working volume with a fluid product.
  • fluid product is meant as well liquid products more or less viscous, powdery products and gases.
  • the present invention applies very generally to the field of fluid product packaging, and more particularly to the field of perfumery, cosmetics or pharmacy.
  • the packaging is a vacuum packaging, or at least with a very small volume of air remaining inside the tank.
  • a conventional flexible pouch filling technique is to inflate the compressed air pocket so that it offers a maximum capacity, or even greater than the volume to be introduced.
  • a certain quantity of desired fluid product is then injected, the pump is prepositioned on the reservoir, then the entire packaging is placed with the pump in a vacuum chamber to evacuate the air. present in and on the surface of the fluid product already contained in the reservoir.
  • a final step is to seal the pump on the tank. We can then break the vacuum.
  • a filling variant consists in carrying out all the filling operations in a vacuum chamber.
  • the present invention aims to overcome the aforementioned drawbacks of the prior art by defining a particularly simple filling process to implement, with a relatively simple tooling.
  • the present invention provides a method of filling a tank of variable working volume with a fluid, corresponding to claim 1.
  • the present invention provides for injecting the fluid into a reservoir while its useful volume is as zero as possible. This avoids trapping air inside the tank during the injection of the fluid. It is thus ensured that the tank is filled with fluid only, to the exclusion of all air. For this, we start from a tank whose useful volume is zero. It is indeed advantageous to maintain the volume of the reservoir substantially zero until the injection of the fluid product. For this, it is not necessary to let the vacuum pump run: simply isolate the tank from the outside. Once the tank is full, the tank can be returned to atmospheric pressure and the pump or valve can be sealed to the tank using any suitable fastening technique. It is not really necessary or essential for the tank to be located in a vacuum chamber when mounting the pump or valve, since the filling method according to the present invention ensures that the tank is fully and only filled. fluid, excluding all air.
  • the head comprises a sleeve provided with sealing means on an opening of the reservoir and a vacuum outlet for connection to the vacuum source, and a fluid injection cannula that is slidably displaceable in the sleeve.
  • the cannula is movable between two sealing stop positions in which the vacuum outlet does not communicate with the sealing means, the socket communicating with the sealing means when the cannula is between the stop positions.
  • an evacuation path is defined between the sleeve and the cannula, the path connecting the vacuum connection to the sealing means, the cannula being elastically biased by return means in the high stop position and being displaceable at against the return means to the low stop position, the cannula being in position high before evacuation and in the low position after evacuation and during the injection of fluid product.
  • the filling device makes it possible to succeed without interruption the injection step in the evacuation step.
  • the displacement of the injection cannula inside the sleeve makes it possible to activate and deactivate the evacuation of the reservoir.
  • the evacuation step is stopped. Between these two stops, evacuation is possible.
  • the return means urges the injection cannula in the high abutment position, which corresponds to a rest position, in which evacuation is not possible.
  • the evacuation is also not possible, since this corresponds to the step of injecting the fluid into the reservoir.
  • the emptying / filling head is a relatively simple mechanical system, implementing only two moving parts relative to each other, under the action of a spring.
  • This emptying / filling head can be mounted instead of a conventional filling head which operates only a conventional fluid injection step.
  • the cannula comprises an outlet orifice provided with a shutter preventing the suction of fluid contained in the cannula, when the evacuation means are operative. It must indeed prevent the fluid is sucked through the sleeve to the vacuum pump, which could damage it.
  • the filling device is shown associated with a packaging or container of variable useful volume of a particular type but well known.
  • This packaging or container comprises a reservoir of variable useful volume 1 which is here in the form of a flexible bag which can for example be made from a complex film made of plastic and aluminum.
  • This flexible pouch 11 defines an opening which is sealingly fixed, advantageously by heat sealing, on a pocket support 3.
  • This pocket support comprises a fixing sleeve 31 engaged inside the opening 12 and a sleeve of anchor 32 which terminates in a flange 33 which protrudes radially outwards.
  • the package or container comprises an outer rigid shell 2 which can be made of any rigid or substantially rigid material.
  • the outer shell 2 comprises a bottom provided with a vent hole 23. At its opposite end, the shell 2 comprises a neck 22 which defines an opening 21.
  • the pocket 11 is disposed inside the shell 2 with the support pocket 3 engaged with the neck 22.
  • the sleeve 32 is housed inside the neck 22 with the projecting flange 33 which bears on the upper end edge of the neck 22.
  • the vent hole 23 has the effect of communicating the space 12 between the shell 2 and the flexible bag 11 with the outside, so that the space 12 is always at atmospheric pressure.
  • a deformable container instead of the flexible pouch fixed on a support, it is also possible to use a deformable container, an elastic bag, a follower piston system, or more generally any tank with variable useful volume.
  • the filling device is only partially represented on the Figures 1 to 6 : Indeed, the filling device further comprises other elements or bodies not shown.
  • the only part of the filling device shown in the figures is constituted by a dump / filling head which comes into direct contact with the packaging or container which has been previously described.
  • the emptying / filling head must in fact still be provided with means for supporting and moving the head (not shown).
  • the head must also be connected to a vacuum source (not shown) and a source of fluid (not shown).
  • the emptying / filling head shown on the Figures 1 to 6 comprises an outer sleeve 4 and an internal injection cannula 5.
  • the sleeve 4 has a very generally cylindrical shape, thus defining a hollow interior, which can be divided into three parts generally, namely an upper duct 42, an intermediate chamber 43 and a sealing and injection mouth 47.
  • the conduit 42 is provided near its upper end with a seal 41 which extends over the entire periphery of the conduit 42, and which is intended to come into sealing contact with the cannula 5, as it is will see below.
  • the duct 42 is extended at its lower end by an upper stop seat 44, which also defines the inlet of the chamber 43.
  • This chamber 43 here has a diameter greater than that of the duct 42, so that the seat of The upper stop 44 flares outwardly from the lower end of the duct 42.
  • the chamber 43 narrows at a low abutment seat 45.
  • This seat 45 like the seat 44, has a frustoconical shape that flares this time inwards, unlike the seat 44.
  • the sleeve 4 is provided with annular sealing means 46 which is here in the form of an advantageously flat O-ring.
  • the diameter of this O-ring is adapted to be able to come into sealing contact with the projecting flange 33 formed by the pocket support 3.
  • the sealing and injection mouth 47 extends below this flat O-ring 46 and advantageously has a peripheral wall chamfered to facilitate the introduction of the reservoir, and more particularly of the collar 33, inside the mouth 47, until it comes into sealing engagement with the O-ring 46.
  • the sleeve 4 is provided with a lateral vacuum outlet 48, which passes through the wall thickness of the sleeve 4, so as to directly communicate the conduit 42 laterally with the outside.
  • This vacuum plug 48 is intended to be connected by means of a hose to a vacuum source (not shown), which may be a vacuum pump.
  • the injection cannula 5 is in the form of a rod 51 having a hollow interior 50 defining a passage for the fluid product.
  • the upper end of the cannula 5 is intended to be connected, via a suitable hose, to a source of fluid.
  • the cannula 5 comprises a peripheral flange 52 which protrudes radially outwards.
  • This flange 52 serves as a bearing surface for the return spring 6 which is engaged around the cannula 5 and bears on the other hand on the top of the sleeve 4.
  • the cannula 5 thus also serves as guiding means for the coil spring 6 which extends around the cannula. It is thus understood that the cannula 5 is urged upwards by the return spring 6 relative to the sleeve 4.
  • the cannula 5 extends through the sleeve 4, and more precisely through the conduit 42, and the chamber 43 to the level of the seal and injection port 47.
  • the cannula 5 thus extends through the conduit 42 so as to slide inside the conduit 42 without sealing, except at the O-ring 41 which is sealingly sliding with the cannula 5. Except at this O-ring 41, the cannula 5 is not in sealing contact with the conduit 42.
  • the cannula 5 preferably forms a substantially cylindrical section at the duct 42, which is itself substantially cylindrical.
  • the cannula 5 forms a substantially annular peripheral bead 53 which protrudes radially outwards with respect to the cylindrical section engaged inside the conduit 42.
  • another annular ring substantially frustoconical namely an upper ring 54 and a lower ring 55.
  • the upper ring 54 flares downward while the lower ring 55 flares upwards.
  • the projecting bead 53 is housed inside the chamber 43 formed by the sleeve 4.
  • the upper ring 54 is intended to come into sealing contact with the high stop seat 44 formed by the sleeve 4.
  • the crown lower 55 is intended to come into sealed contact with the low abutment seat 45 formed by the sleeve 4.
  • the cord 53 is trapped in the sleeve 4 inside its chamber 43. It is therefore not possible to disengage the cannula from the inside of the sleeve 4 because the cord 53 is trapped in the chamber. 43. On the other hand, it is possible to axially move the cannula 5 inside the sleeve 4 against the action exerted by the return spring 6 between the two abutment seats 44 and 45. In rest position represented on the figure 1 , the upper ring 54 is in sealing contact with the high stop seat 44. On the other hand, on the figures 4 and 5 , the lower ring 55 is in sealing contact with the low abutment seat 45. Between these two sealed contacts, as shown in FIG.
  • the cannula 5 there is no sealing between the cannula 5 and the sleeve 4, except at the O-ring 41.
  • the cannula 5 extends with a reduced diameter section relative to the cord. 53.
  • the diameter of this lower section may be substantially equal to that of the cylindrical section engaged inside the conduit 42.
  • the cannula 5 forms a fluid outlet which is advantageously provided with a shutter 56 which is closed in the rest position, and also prevents any entry inside the cannula 5 through the shutter 56.
  • the emptying / filling head of the filling device in the waiting position. Indeed, before starting any movement of the head of emptying / filling, it is first necessary to ensure that the packaging or container is perfectly positioned just below the head. It is necessary that the opening 21 of the reservoir is located axially just below the cannula 5. In general, the emptying / filling head is held and moved by the cannula 5. It is indeed not necessary to grasp the sleeve 4 for his displacement. In this waiting position, which ideally corresponds to the rest position of the head, the upper ring 54 is in sealing contact with the high stop seat 44. Thus, the vacuum outlet 48 can not communicate with the outside.
  • the sleeve 4 will be even more pressed on the flange 33 until the return spring 6 does not start to contract.
  • the vacuum source connected to the vacuum plug 48 can be activated. This is indicated by the annotated arrow EMP on the figure 2 .
  • the vacuum state is represented on the figure 2 by oblique hatching spaced. The state of vacuum reaches the level of the annular space formed between the conduit 42 and the cannula 5. However, the vacuum does not reach into the chamber 43, because the ring 54 is in sealing contact with the seat 44. By continuing to press the cannula 5, this contact will be undone, which is represented on the figure 3 .
  • the air present in the intermediate space 12 is discharged through the vent orifice 23.
  • the shutter 56 is of course biased in the open position. Since the evacuation is stopped, the chamber 43 is at atmospheric pressure. This is indicated by the ATMO annotated arrow on the figure 5 . Since the bag was initially completely empty before injection, it is ensured that its fluid filling is perfect and total, excluding any air bubbles. In the end, the reservoir is as represented on the figure 6 . It is then possible to raise the head, that is to say to stop the pressure exerted on the cannula 5, so that the return spring 6 again urges the cannula 5 to the rest position, that is to say with its upper ring 54 in engagement with its seat 44. One finds oneself then again in the same position as that represented on the figure 1 .
  • a subsequent step of sealing a pump or a valve on the tank is carried out.
  • This mounting step can be performed under vacuum or not.
  • the invention it is no longer necessary to operate the vacuum pump during the step of injecting the fluid into the tank. Indeed, in the present invention, when the fluid is injected into the tank, the evacuation is already stopped. However, the completely empty state of the tank is maintained.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Basic Packing Technique (AREA)
  • Vacuum Packaging (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Claims (3)

  1. Verfahren zum Füllen eines Behältnisses (10) mit variablem Nutzvolumen mit einem fluiden Produkt, wobei das Behältnis in einer äußeren Schale (2) angeordnet ist, die einen Hals (22) aufweist, der eine Öffnung (21) begrenzt, wobei die Schale und das Behältnis zwischen sich einen Raum (12) begrenzen, die äußere Schale (2) mit einem Lüftungsloch (23) derart versehen ist, dass der Raum (12) stets unter atmosphärischem Druck steht, wobei das Behältnis eine Öffnung (12) aufweist, die an einem Beutelhalter (3) im Eingriff mit der Öffnung (21) der Schale befestigt ist, dadurch gekennzeichnet, dass:
    - zunächst durch Anlegen eines Unterdrucks an die Öffnung (12) des Behältnisses (10) und unter Beibehaltung des atmosphärischen Drucks im Raum (12) mittels eines Kopfes zum Leeren/Füllen (48, 5) jeglicher Inhalt aus dem Behältnis (10) entleert wird, so dass das Nutzvolumen des Behältnisses in etwa Null ist, und
    - das fluide Produkt dann über die Öffnung (12) des Behältnisses in dieses eingespritzt wird, wodurch das Nutzvolumen des Behältnisses (10) bei dessen Füllen erhöht wird,
    - dem Schritt des Füllens mit fluidem Produkt ein Schritt des dichtenden Anbringens einer Ausgabeeinrichtung, wie einer Pumpe, auf der Öffnung der Schale folgt.
  2. Verfahren zum Füllen nach Anspruch 1, wobei das fluide Produkt in das Behältnis eingespritzt wird, während das Behältnis mit seinem Nutzvolumen in etwa auf null gehalten wird.
  3. Verfahren zum Füllen nach Anspruch 1 oder 2, wobei der Schritt des Leerens und der anschließende Schritt des Einspritzens realisiert werden, während an einer Öffnung (21) des Behältnisses eine Dichtigkeit (33, 46) beibehalten wird.
EP06726324A 2005-04-12 2006-04-10 Verfahren und vorrichtung zum füllen eines behältnisses mit variablem nutzvolumen Not-in-force EP1877314B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0550926A FR2884225B1 (fr) 2005-04-12 2005-04-12 Procede de remplissage et dispositif de remplissage d'un reservoir de volume utile variable
PCT/FR2006/050318 WO2006108984A1 (fr) 2005-04-12 2006-04-10 Procede de remplissage et dispositif de remplissage d'un reservoir de volume utile variable

Publications (2)

Publication Number Publication Date
EP1877314A1 EP1877314A1 (de) 2008-01-16
EP1877314B1 true EP1877314B1 (de) 2011-03-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06726324A Not-in-force EP1877314B1 (de) 2005-04-12 2006-04-10 Verfahren und vorrichtung zum füllen eines behältnisses mit variablem nutzvolumen

Country Status (8)

Country Link
US (2) US8061393B2 (de)
EP (1) EP1877314B1 (de)
CN (1) CN100586802C (de)
BR (1) BRPI0610548A2 (de)
DE (1) DE602006020429D1 (de)
ES (1) ES2360077T3 (de)
FR (1) FR2884225B1 (de)
WO (1) WO2006108984A1 (de)

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Also Published As

Publication number Publication date
WO2006108984A1 (fr) 2006-10-19
US20120024419A1 (en) 2012-02-02
US8061393B2 (en) 2011-11-22
CN100586802C (zh) 2010-02-03
EP1877314A1 (de) 2008-01-16
US8479779B2 (en) 2013-07-09
ES2360077T3 (es) 2011-05-31
FR2884225A1 (fr) 2006-10-13
BRPI0610548A2 (pt) 2010-07-06
FR2884225B1 (fr) 2007-06-22
CN101171175A (zh) 2008-04-30
DE602006020429D1 (de) 2011-04-14
US20080156391A1 (en) 2008-07-03

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