EP0494004B1 - Vorrichtung zum Spenden eines unter Druck stehenden Produktes, insbesondere eines schaumförmigen Produktes, und Verfahren zum Füllen eines Behälters einer solchen Vorrichtung - Google Patents

Vorrichtung zum Spenden eines unter Druck stehenden Produktes, insbesondere eines schaumförmigen Produktes, und Verfahren zum Füllen eines Behälters einer solchen Vorrichtung Download PDF

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Publication number
EP0494004B1
EP0494004B1 EP19910403465 EP91403465A EP0494004B1 EP 0494004 B1 EP0494004 B1 EP 0494004B1 EP 19910403465 EP19910403465 EP 19910403465 EP 91403465 A EP91403465 A EP 91403465A EP 0494004 B1 EP0494004 B1 EP 0494004B1
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EP
European Patent Office
Prior art keywords
container
pouch
valve
propellant means
opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP19910403465
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English (en)
French (fr)
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EP0494004A1 (de
Inventor
Jean-Pierre Yquel
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LOreal SA
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LOreal SA
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    • 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
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/60—Contents and propellant separated
    • B65D83/62—Contents and propellant separated by membrane, bag, 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
    • 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

Definitions

  • the invention relates to a device for dispensing a product under pressure, in particular a foaming product such as shaving foam, make-up removing foam, body foam, hair or deodorant product, comprising a container provided, at the top, with an opening. on which is mounted a dispensing valve, and a flexible pocket, made of a membrane impermeable to liquids but sufficiently permeable to gases to allow to maintain a balance of the gas pressure of a propellant between the volume outside the pocket located in the container and the interior of this pocket, which contains an active product to be dispensed, which is not in the gaseous state, the flexible pocket being impermeable to this active product, and a propellant means, while the volume of the container located around the pocket also contains a propellant means.
  • a foaming product such as shaving foam, make-up removing foam, body foam, hair or deodorant product
  • a device of this kind is known from FR-A-2 233 843.
  • the total pressure in the container is equal to the sum of the pressures of two propellants and is relatively high.
  • the risk of creating prisoner spaces by coming into contact with opposite walls of the flexible bag, preventing total emptying of the product, is increased.
  • a perforated tube is provided in the pocket to act as an anti-prisoner.
  • FR-A-2 281 290 relates to a small rechargeable aerosol canister comprising a flexible bag permeable to the gas phase but not to liquids.
  • the volume surrounding the pocket is under pressure relative to its interior, and part of the gas phase of the propellant passes through the wall of the pocket. and will increase the pressure in the space around it.
  • the absence of a dip tube is mentioned. However, no indication is provided as to the problem of creating prisoner spaces that can oppose a complete emptying of the product.
  • the object of the invention is, above all, to provide a device of the kind defined above which makes it possible to obtain better consistency of the flow rate and of the characteristics of the product delivered between the start and the end of use of the device. It is further desired that the device can be used in any position, in particular upside down.
  • the vapor pressure, at the existing temperature, of the liquid / vapor balance of the propellant means, in the container is of the order of 3 bars.
  • the device of the invention takes advantage of the permeability of a membrane to maintain a gas balance.
  • Such a device can be used for all products using aerosol technology such as body foams, hair foams, sprays such as deodorants, etc.
  • the product to be dispensed is located inside the flexible bag.
  • the pocket membrane is impermeable to the product which remains confined inside this pocket.
  • the pocket membrane is advantageously made of one of the materials belonging to the group: polyethylene, polypropylene, polyethylene / terephthalate.
  • This membrane can be formed by a combination of polyolefin films and / or polyesters.
  • the thickness of the membrane of the pocket can be between 0.2 and 0.6 mm, depending on the nature of the material used to form the pocket.
  • the oxygen permeability of the membrane forming the pocket is advantageously between 150 cm3 / m2 / 24 hours and 400 cm3 / m2 / 24 hours.
  • the invention also relates to a method for filling a device as defined above for the pressure distribution of a product, in particular a foaming and / or capillary product.
  • FIGS 1 a to 1 e of these drawings schematically illustrate steps of a first method of filling and manufacturing a device for dispensing active product under pressure, according to the invention.
  • Figures 2 a to 2 e illustrate a second possibility of filling and manufacturing.
  • Figures 3 a to 3 e illustrate a third possibility of filling and manufacturing the device.
  • Figures 4 a to 4 e illustrate a fourth possibility of filling and manufacturing.
  • Figures 5 a to 5 e illustrate a fifth possibility of filling and manufacturing.
  • Figures 6 a to 6 e illustrate a sixth possibility of filling and manufacturing.
  • FIG. 7 is a graph representing the flow rate in grams / seconds, plotted on the ordinate, provided by a device according to the invention, as a function of the time plotted on the abscissa, each point corresponding to a spraying for five seconds, this spraying being carried out at spaced apart time intervals.
  • Figure 8 is a graph illustrating the pressure variation in the pocket of a device according to the invention, as a function of the time plotted on the abscissa.
  • FIG. 9 is a comparative graph of the flow rate plotted on the ordinate, as a function of the number of flow rates, plotted on the abscissa, with a device according to the invention and with a device according to the prior art.
  • FIG. 10 is a comparative graph illustrating the variation of the pressure of the product, plotted on the ordinate, as a function of the number of flow rates, plotted on the abscissa, in a device according to the invention and in a slide of the state of the art.
  • FIG. 11 is a graph giving the variations in the density of the product dispensed, plotted on the ordinate, as a function of the rate of emptying plotted in abacisse for a dispensing device according to the prior art and for a device according to the invention, under specific conditions explained below.
  • a device 1 for dispensing under pressure an active product 2 for example a foaming product such as shaving foam, make-up removing foam, hair foam, or a sprayed product. (spray) such as a deodorant.
  • an active product 2 for example a foaming product such as shaving foam, make-up removing foam, hair foam, or a sprayed product. (spray) such as a deodorant.
  • the device 1 comprises a conventional container 3, in the form of a can, made of aluminum or tinplate, or of plastic. As a variant, this container 3 could be made of glass.
  • the container 3 is provided, in the upper part, with an opening 4 delimited by a peripheral cord 5 with circular cross section.
  • this cord 5 can be formed by the rolled edge of the opening 4.
  • the container 3 has in its wall, preferably in the bottom wall 6, a filling orifice 7, closed by a filling plug 8 constituted for example by a pad of elastomeric material.
  • a flexible pocket 9 is disposed inside the container 3, this pocket comprising in the upper part an opening limited by an edge which is applied, in a sealed manner, against the peripheral bead 5 delimiting the opening 4 of the container 3.
  • the part 10 located inside the container 3 and outside the pocket 9 is closed in a sealed manner.
  • a conventional dispensing valve 11 is fixed in leaktight manner, by crimping the edge of a cup 12 on the peripheral bead 5.
  • This valve 11 comprises an axial rod 13 intended to be pushed in by the user to cause the opening of said valve and the distribution of the product.
  • the edge of the opening of the pocket 9 is sandwiched between the cord 5 and the edge of the cup 12.
  • the device 1 with a view to its use, is equipped with a dispensing head (not shown) which covers the opening 4 and the dispensing valve 11.
  • This dispensing head comprises a pusher on which the user can act to push in the rod 13.
  • the active product 2 to be dispensed is located inside the flexible bag 9 and the valve 11 is devoid of dip tube.
  • a certain amount of a propellant means 14 is introduced into the part 10 of the container 3, located around the flexible bag 9.
  • This propellant means 14 is constituted by a liquid / vapor balance suitable for maintaining a sufficient pressure (of the order 3 bars) corresponding to the vapor pressure, at the temperature considered, of the liquid used.
  • the introduction of the propellant means 14 into the part 10 can be carried out using a hypodermic needle A inserted in the plug 8. During the withdrawal of the needle A, the plug 8 continues to seal.
  • the flexible bag 9 is formed by a membrane which is sufficiently permeable to allow the propellant means to pass, in gaseous form, through said membrane in order to balance the pressure of the propellant means between the interior of the bag 9 and the external part 10.
  • the membrane of the pocket 9 is impermeable with respect to the active product 2 which remains confined inside this pocket.
  • the introduction of the active product into the bag 9 can be carried out through the valve 11.
  • a certain amount of the same propellant means is introduced, also through the valve 11, into the bag 9, in particular for expanding the product to be dispensed .
  • the flexible bag 9 can be fixed on the valve body 11, or on the body of the container 3, or else wedged between the peripheral cord 5 and the cup 12 as described above.
  • the pocket 9 can be made of one of the materials belonging to the group: polyethylene, polypropylene, polyethylene / terephthalate.
  • the pocket is formed by a combination of polyolefin films and / or polyesters.
  • the thickness of the membrane constituting the pocket 9 can be between 0.2 and 0.6 mm, depending on the nature of the material used to form this membrane.
  • the permeability of the pocket (membrane) to oxygen is advantageously between 150 cm3 / m2 / 24 hours and 400 cm3 / m2 / 24 hours.
  • This pocket 9 which has a certain permeability allows the liquefied propellant means which is located in the part 10 of the container 3 to ensure the gas phase replenishment of the active product 2 contained in the pocket 9 so that there is always supersaturation in propellant in this pocket 9.
  • the permeability of the bag makes it possible to obtain a constancy of the flow rate of active product and of the pressure in the bag 9 during use, from the start to the end.
  • Figures 7 and following are graphs illustrating results obtained with a device according to the invention, during tests carried out with a foaming product. Some of these graphs make it possible to compare the results according to the invention with the results obtained with a device of the prior art.
  • the tests consisted, using a device according to the invention filled with body foam in the pocket 9, to be pressed for 5 s. on the stem 13 of the valve 11 at times spaced in time as shown on the abscissa axis, that is to say at time 0, after half an hour, one hour, d 'an hour and a half, two hours, three hours etc.
  • the product delivered by the device is collected and weighed.
  • the flow rate in grams / seconds is obtained by dividing the mass collected by the expulsion time.
  • the graph in FIG. 8 illustrates the variations in pressure in bars, plotted on the abscissa, inside the pocket 9, for the device of the invention which was used for the tests summarized by the graph in FIG. 7.
  • the graph in FIG. 9 illustrates the results of comparative tests between a device in accordance with the invention (measurement results carried in the form of white squares) whose pocket 9, having a certain permeability, was made of PVC (polyvinyl chloride) ), and a device according to the state of the art in which the flexible pouch was made of impermeable material (aluminum foil), the active product being located inside the pouch; the measurement points for the device of the state of the art are represented by black squares in FIG. 9.
  • the flow curve for the device of the invention is located below the curve according to the state of the art for the first five sprays and then sits above this other curve from the sixth spray.
  • the drop in flow rate according to the invention (from approximately 1.8 g / s for the first spray to approximately 1.5 g / s for the tenth spray) is much smaller when the number of sprays increases, than in the case state of the art (from about 1.9 g / s for the first spray to about 0.8 g / s for the tenth spray).
  • FIG. 10 is a comparative graph of the device according to the invention used for the tests of FIG. 9 with a device according to the state of the art, giving the evolution of the pressure in bars plotted on the ordinate in the volume containing the product active, depending on the number of debits.
  • the graph in FIG. 11 summarizes another type of comparative test carried out between a device according to the invention (measurement points represented by white squares) and a device conforming to the state of the art (black squares).
  • the volume containing the active product was not filled, during manufacture, with propellant.
  • the active product for which the active product is in the pocket 9, there has been no injection of propellant into this pocket 9.
  • the active product for which the active product is inside the flexible pouch, there has been no of propellant injection into this pocket.
  • an expanded foam is obtained although no propellant means has been introduced into the volume containing the active product.
  • the density remains substantially constant during the emptying.
  • the flexible bag being waterproof, the propellant means contained in this bag could not diffuse into the active product.
  • FIG. 1 a According to a first possibility (FIGS. 1 a -1 e ), as illustrated in FIG. 1 a , after having introduced the bag 9 into the container 3, this bag is filled with the expected quantity of active product 2 to be distributed (FIG. 1 a ).
  • valve 11 is then placed over the opening of the pocket 9 and of the container 3 and the cup 12 is crimped onto the edge 5 of the opening of the container, sealingly sealing the upper edge of the pocket 9 between the rim 5 and the part of the cup applied against this rim.
  • This step is illustrated in Figure 1b .
  • a quantity of propellant 14 is introduced inside the pocket 9 by injection through the valve 11, as illustrated in FIG. 1 c .
  • Another quantity of the same propellant means 14 is then injected into the part 10 of the interior volume of the container 3 situated outside the pocket 9, through the orifice 7.
  • the injection can be carried out using a hypodermic needle A inserted in the plug 8. This step is illustrated in FIG. 1 d .
  • the bag 9 is then purged by pressing the rod 13 of the valve 11 for a few seconds.
  • the container 1, shown in Figure 1 e is then ready to operate.
  • the bag 9 is filled with the expected quantity of active product 2, as in the case of Figure 1 e .
  • valve 11 is then placed on the opening of the container 3 and a vacuum is made, through this valve 11, in the pocket 9 to eliminate the air which is above the active product 2. This step is illustrated on Figure 2 b .
  • a quantity of the same propellant means 14 is then introduced through the orifice 7, into the volume 10 situated outside the pocket 9, as illustrated in FIG. 2 d .
  • the bag 9 is then purged by pressing one or two seconds on the valve 11 as illustrated in FIG. 2 e and the device 1 is then ready to operate.
  • Figures 3 a -3 e illustrate a third possibility of filling.
  • Figures 3 a, 3 b correspond to steps identical to those of Figures 1a, 1b and their description will be omitted.
  • Step s uivante of Figure 3c corresponds to the introduction of a quantity of propellant means 14 to the outside of the bag 9 in the volume 10, this introduction being carried by the orifice 7.
  • the bag 9 is then purged by pressing the valve 11 until the active product appears. This step corresponds to Figure 3 d .
  • valve 11 is placed on the opening of the container and of the bag and the cup 12 of the valve on the flange 5.
  • propellant 14 is introduced into the container 3 through the orifice 7, in the volume 10.
  • the pressure exerted by the propellant compresses the pocket 9 as illustrated diagrammatically in FIG. 4 b .
  • a complete purge of the air enclosed by the bag 9 is then carried out by pressing on the valve 11.
  • the walls of the bag are applied against each other under the effect of the pressure of the propellant means contained in volume 10 and the air is expelled to the outside. This step is shown schematically in Figure 4c .
  • the active product 2 is then introduced inside the pocket 9 by injection through the valve 11.
  • the state of the device at the end of this injection is shown in FIG. 4 d .
  • a quantity of propellant 14 is introduced into the pocket 9 by injection through the valve 11 to end up with the device ready for operation illustrated in FIG. 4 e .
  • Figures 5 a -5 e illustrate a fifth filling possibility.
  • the active product 2 is introduced into the bag 9 by injection through the valve 11.
  • the purge of the pocket 9 is then carried out by pressing on the valve 11 of the aorta that the level of the active product 2, expanded by the propellant, approaches the valve 11 as illustrated in FIG. 5 e .
  • Figures 6 a -6 e illustrate a filling ability of a container 3 is free of the filling orifice of the preceding figures.
  • a quantity of propellant 14 is introduced through the upper opening 4 a of the container 3 a , when cold, that is to say at a temperature low enough for the propellant to remain in the liquid state under atmospheric pressure .
  • the pocket 9 is then introduced into the container 3 a, then the valve 11 is placed on the opening 4 a and the cup 12 is crimped on the edge 5 a , as illustrated in FIG. 6 b .
  • the propellant means 14 located in the volume 10 is then trapped in a sealed manner. It is no longer necessary to keep the container 3 a at low temperature.
  • the active product 2 is introduced inside the bag 9 by injection through the valve 11.
  • the bag 9 is then purged by actuating the valve 11, as illustrated in FIG. 6 d .
  • a quantity of propellant 14 is then injected through the valve 11 inside the pocket 9.
  • the device 1 a is ready to operate.
  • the invention provides a device for dispensing pressurized product which can be used upside down and upside down and which ensures good constancy of the flow rate and of the characteristics of the product. delivered.

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

Claims (11)

  1. Vorrichtung zum Abgeben eines Erzeugnisses unter Druck, insbesondere eines schaumbbildenden Erzeugnisses, wie Rasierschaum, Abschminkschaum, Körperschaum, Haarmittel oder Deodorant, welche einen Behälter, der im oberen Bereich mit einer Öffnung versehen ist, auf die ein Abgabeventil montiert ist, und eine nachgiebige Tasche umfaßt, die aus einer für Flüssigkeiten undurchläßigen, aber für Gas soweit durchläßigen Membran besteht, daS ein Gleichgewicht des Gasdrucks eines Treibmittels (14) zwischen dem außerhalb der Tasche, aber innerhalb des Behälters (3) befindlichen Volumen (10) und dem Inneren der Tasche (9) aufrechterhalten wird,
       wobei die nachgiebige Tasche einen abzugebenden Wirkstoff, der sich nicht im gasförmigen Zustand befindet, wobei die Tasche für diesen Wirkstoff undurchläßig ist, und ein Treibmittel enthält, während das die Tasche (9) umgebende Volumen (10) des Behälters (3) ebenfalls ein Treibmittel enthält,
       dadurch gekennzeichnet, daß:
    - das Ventil (11) kein Tauchrohr aufweist,
    - das in dem Volumen (10) des Behälters (3) befindliche Treibmittel (14) identisch mit dem in die Tasche (9) eingebrachten Treibmittel ist und von einem Flüssigkeit/Dampf-Gleichgewicht gebildet wird, so daß ein ausreichender Druck aufrechterhalten werden kann, der dem Dampfdruck bei der betrachteten Temperatur entspricht, wobei das Treibmittel im gasförmigen Zustand von dem Volumen (10) ins Innere der Tasche (9) tritt.
  2. Vorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, daß der Dampfdruck des Gleichgewichts Flüssigkeit/Dampf des Treibmittels bei der herrschenden Temperatur in dem Behälter (10) in der Größenordnung von 3 Bar liegt.
  3. Vorrichtung gemäß Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Tasche (9) aus einem der zu der Gruppe Polyethylen, Polypropylen, Polyethylen-Terephthalat gehörenden Materialien hergestellt ist.
  4. Vorrichtung gemäß Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Tasche (9) aus einem Verbund von Polyolefinfolien und/oder Polyesterfolien hergestellt ist.
  5. Vorrichtung gemäß einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Dicke der Tasche (9), je nach Art des zur Bildung der Tasche verwendeten Materials, zwischen 0,2 und 0,6 mm beträgt.
  6. Vorrichtung gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Behälter (3) in seiner Wandung, insbesondere in seinem Boden (6), eine Einfüllöffnung (7) aufweist, die durch einen Einfüllverschluß (8) verschließbar ist.
  7. Verfahren zum Befüllen einer Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß
    - man die Tasche (9) mit dem abzugebenden Wirkstoff (2) befüllt, der sich nicht im gasförmigen Zustand befindet;
    - man das Ventil (11) auf die Öffnung des Behälters (3) setzt und es auf den Behälter (3) bördelt;
    - man eine bestimmte Menge Treibmittel (14) mittels Injektion durch das Ventil (11) ins Innere der Tasche (9) einbringt;
    - man gegebenenfalls schüttelt;
    - man durch eine in der Wandung des Behälters (3) vorgesehene Öffnung (7) eine weitere Menge des gleichen Treibmittels (14) in den außerhalb der Tasche (9) befindlichen Bereich des Volumens (10) im Inneren des Behälters (3) so einspritzt, daß ein Gleichgewicht Flüssigkeit/Dampf des Treibmittels (14) in dem Volumen (10) erhältlich ist;
    - und daß man die Tasche entlüftet, indem man einige Sekunden auf das Ventil (11) drückt.
  8. Verfahren zum Befüllen einer Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß
    - man die Tasche (9) mit dem Wirkstoff (2) befüllt, der sich nicht im gasförmigem Zustand befindet;
    - man das Ventil (11) auf die Öffnung (4) des Behälters (3) setzt;
    - man auspumpt, um die oberhalb des Wirkstoffs (2) in der Tasche (9) befindliche Luft zu entfernen;
    - man das Ventil (11) auf den Rand der Öffnung (4) des Behälters (3) bördelt;
    - man eine bestimmte Menge des Treibmittels (14) mittels Einspritzen durch das Ventil (11) ins Innere der Tasche (9) einbringt;
    - man eine weitere Menge des gleichen Treibmittels (14) durch eine in der Wandung des Behälters (3), insbesondere in seinem unteren Bereich, befindliche Öffnung (7) außerhalb der Tasche (9) in den Behälter (3) so einbringt, daß ein Gleichgewicht Flüssigkeit/Dampf des Treibmittels (14) in dem Volumen (10) erhältlich ist;
    - man die Tasche (9) entlüftet, indem man ein oder zwei Sekunden auf das Ventil (11) drückt.
  9. Verfahren zum Befüllen einer Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß
    - man das Ventil (11) auf dem Behälter (3) anordnet;
    - man das Ventil (11) auf den Behälter (3) bördelt;
    - man eine bestimmte Menge Treibmittel (14) durch eine in der Wandung des Behälters (3), insbesondere in seinem unteren Bereich, vorgesehene Öffnung (7) außerhalb der Tasche (9) in den Behälter (3) so einbringt, daß ein Gleichgewicht Flüssgkeit/Dampf des Treibmittels (14) in dem Volumen (10) erhältlich ist;
    - man die Tasche (9) vollständig entlüftet;
    - man den Wirkstoff (2), der sich nicht im gasförmigen Zustand befindet, mittels Einspritzen durch das Ventil (11) ins Innere der Tasche (9) einbringt;
    - man eine weitere Menge des gleichen Treibmittels (14) mittels Einspritzen durch das Ventil (11) in die Tasche (9) einbringt.
  10. Verfahren zum Befüllen einer Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß
    - man das Ventil (11) anbringt;
    - man das Ventil (11) auf den Behälter (3) bördelt;
    - man eine bestimmte Menge des Treibmittels (14) durch eine in der Wandung des Behälters (3) befindliche Öffnung (7) so in den Außenraum der Tasche (9) einbringt, daß ein Gleichgewicht Flüssigkeit/Dampf des Treibmittels (14) in diesem Volumen (10) erhältlich ist;
    - man den abzugebenden Wirkstoff (2), der sich nicht im gasförmigen Zustand befindet, mittels Einspritzen durch das Ventil (11) in die Tasche (9) einbringt;
    - man eine weitere Menge des gleichen Treibmittels (14) mittels Einspritzen durch das Ventil (11) in die Tasche einbringt;
    - man gegebenenfalls schüttelt;
    - und daß man die Tasche (9) entlüftet.
  11. Verfahren zum Befüllen einer Vorrichtung nach Anspruch 1, die einen Behälter ohne Einfüllöffnung in seiner Wandung aufweist, dadurch gekennzeichnet, daß
    - man eine bestimmte Menge kaltes Treibmittel (14) so ins Innere des Behälters (3a) einbringt, daß ein Gleichgewicht Flüssigkeit/Dampf des Treibmittels (14) in diesem Volumen erhältlich ist;
    - man die Tasche (9) in den Behälter (3a) einbringt und das Ventil (11) auf die Öffnung (4a) des Behälters (3a) setzt;
    - man das Ventil (11) auf den Rand der Öffnung (4a) des Behälters (3a) bördelt;
    - man die Tasche (9) entlüftet;
    - man eine weitere Menge des gleichen Treibmittels (14) mittels Einspritzen durch das Ventil (11) in das Innere der Tasche (9) einbringt.
EP19910403465 1990-12-31 1991-12-19 Vorrichtung zum Spenden eines unter Druck stehenden Produktes, insbesondere eines schaumförmigen Produktes, und Verfahren zum Füllen eines Behälters einer solchen Vorrichtung Expired - Lifetime EP0494004B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9016539 1990-12-31
FR9016539A FR2671055A1 (fr) 1990-12-31 1990-12-31 Dispositif pour distribuer sous pression un produit, en particulier un produit moussant, et procedes de remplissage d'un recipient pour un tel dispositif.

Publications (2)

Publication Number Publication Date
EP0494004A1 EP0494004A1 (de) 1992-07-08
EP0494004B1 true EP0494004B1 (de) 1995-07-05

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EP19910403465 Expired - Lifetime EP0494004B1 (de) 1990-12-31 1991-12-19 Vorrichtung zum Spenden eines unter Druck stehenden Produktes, insbesondere eines schaumförmigen Produktes, und Verfahren zum Füllen eines Behälters einer solchen Vorrichtung

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EP (1) EP0494004B1 (de)
JP (1) JP2995511B2 (de)
DE (1) DE69111042T2 (de)
FR (1) FR2671055A1 (de)

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US9701430B2 (en) 2011-05-16 2017-07-11 The Procter & Gamble Company Components for aerosol dispenser

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FR2714595B1 (fr) * 1993-12-30 1996-02-02 Oreal Emulsion eau dans huile contenant du rétinol, son utilisation et son conditionnement.
DE59500858D1 (de) * 1995-05-18 1997-11-27 Rapid Spray Gmbh & Co Kg Verfahren und Vorrichtung zum Befüllen einer Aerosoldose
JP3898291B2 (ja) * 1997-07-15 2007-03-28 株式会社ダイゾー エアゾール製品
EP0994042B1 (de) * 1998-03-03 2007-07-11 Osaka Shipbuilding Co., Ltd. Aerosolprodukte und verfahren zu deren herstellung
FR2804665B1 (fr) * 2000-02-07 2002-06-14 Oreal Aerosol a poche a etancheite amelioree
JP2002308358A (ja) * 2001-04-09 2002-10-23 Daizo:Kk 二重エアゾール製品
FR2829747B1 (fr) * 2001-09-19 2003-12-05 Ile Riviere Silvente Et Associ Procede pour le conditionnement d'un produit pateux et sa distribution a l'etat foisonne
FR2829748B1 (fr) * 2001-09-19 2003-12-12 Nestle Sa Procede pour le conditionnement d'un produit pateux et sa distribution a l'etat foisonne
JP2002240873A (ja) * 2001-12-25 2002-08-28 Hoyu Co Ltd エアゾール容器及び２剤吐出容器
GB0212047D0 (en) * 2002-05-24 2002-07-03 Btg Int Ltd Generation of therapeutic microfoam
FR2841159B1 (fr) 2002-06-20 2007-04-06 Oreal Dispositif pour le conditionnement et la pulverisation d'un produit
DE102007058183A1 (de) * 2007-12-04 2009-06-10 Deutsche Aerosol Gmbh Wirkstoffbefüllfertiger Druckbehälter

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9701430B2 (en) 2011-05-16 2017-07-11 The Procter & Gamble Company Components for aerosol dispenser
US9950821B2 (en) 2011-05-16 2018-04-24 The Procter & Gamble Company Components for aerosol dispenser

Also Published As

Publication number Publication date
EP0494004A1 (de) 1992-07-08
DE69111042D1 (de) 1995-08-10
JPH05254579A (ja) 1993-10-05
DE69111042T2 (de) 1996-04-11
FR2671055A1 (fr) 1992-07-03
JP2995511B2 (ja) 1999-12-27
FR2671055B1 (de) 1994-08-19

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