WO2022063666A1 - Dispositif de conditionnement et de distribution d'un produit - Google Patents

Dispositif de conditionnement et de distribution d'un produit Download PDF

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Publication number
WO2022063666A1
WO2022063666A1 PCT/EP2021/075428 EP2021075428W WO2022063666A1 WO 2022063666 A1 WO2022063666 A1 WO 2022063666A1 EP 2021075428 W EP2021075428 W EP 2021075428W WO 2022063666 A1 WO2022063666 A1 WO 2022063666A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve stem
product
flow reducer
reservoir
end piece
Prior art date
Application number
PCT/EP2021/075428
Other languages
English (en)
Inventor
Jean-Marie HERVET
Olivier FARNAULT
Original Assignee
L'oreal
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 L'oreal filed Critical L'oreal
Publication of WO2022063666A1 publication Critical patent/WO2022063666A1/fr

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Classifications

    • 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
    • B65D83/75—Aerosol containers not provided for in groups B65D83/16 - B65D83/74
    • B65D83/752—Aerosol containers not provided for in groups B65D83/16 - B65D83/74 characterised by the use of specific products or propellants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • 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
    • B65D83/44—Valves specially adapted therefor; Regulating devices

Definitions

  • the present invention relates to a device for packaging and dispensing a product, in particular a cosmetic product, and to a corresponding manufacturing method.
  • a dispensing valve comprising a stem on which there is mounted a diffuser, generally taking the form of a push-button.
  • a dispensing valve comprising a stem on which there is mounted a diffuser, generally taking the form of a push-button.
  • a large number of devices on the market still use a liquefied gas, which currently is typically a hydrocarbon, to propel the product.
  • the product is generally put in a flexible pocket inside the canister, which is pressurized by the compressed gas present inside the canister.
  • the gas leaves with the product in the form of droplets that evaporate once outside and contribute to the formation of a spray of good quality with low wetting.
  • the quantity of propellant gas that leaves with the product is smaller when using compressed gas and greater when using a liquefied gas.
  • WO2019174970 describes a flow rate reducer for a dispenser for pressurized product provided with a diffuser and provided with a valve equipped with a valve stem.
  • the flow rate reducer is a part that is separate from the valve stem and from the diffuser, and is partially inserted into an end piece of the diffuser and tops the projecting end of the stem, the reducer comprising a skirt that is able to at least partially surround the valve stem.
  • GB 2 187 513 discloses a dispensing apparatus for a pressurised dispensing container having a valve, a valve actuator and a flow regulator comprising a deformable washer located in a housing such that an aperture of the washer forms a constriction presenting an impedance to the flow.
  • FR 2 739 087 presents a packaging dispenser valve comprising a deformable control rod.
  • EP 0 538 543 describes an actuator cap for an aerosol dispenser which contains a flowable product under gas pressure and a delivery valve in a delivery channel, which comprises a control member for controlling the throughflow.
  • WO 2020/007415 discloses an aerosol dispersion device comprising a pressurized container with a consumable received therein under pressure and a nozzle element with nozzle bores which form a fluidic communication between a mouthpiece and the pressurized container.
  • the invention is directed toward satisfying this need.
  • the present invention achieves this by virtue of a device for packaging and dispensing a product, having: a reservoir containing the product under pressure, a dispensing valve mounted on the reservoir, comprising a valve stem which, when actuated, causes the product to leave the reservoir, a diffuser by means of which the valve stem can be actuated manually, comprising an end piece into which the valve stem is fitted, in contact therewith, a flow reducer added into the end piece in front of the valve stem, having an orifice that is traversed by the product leaving the valve stem to reach the diffuser.
  • the valve stem can retain its internal cross section, which avoids any impact on the filling step when filling is carried out through the valve stem.
  • the filling rate can remain compatible with large- scale production.
  • the end piece of the diffuser serves to receive and advantageously hold the flow reducer and the upper part of the valve stem.
  • the valve stem comes into direct contact, via its essentially cylindrical outer surface, with the essentially cylindrical inner surface of the end piece, at an upper part of the valve stem.
  • the end piece of the diffuser may hold fixedly the flow reducer.
  • the end piece of the diffuser may comprise, internally, an abutment and in particular a shoulder.
  • the flow reducer may be interposed between the abutment and the valve stem.
  • the flow reducer may be force-fitted into the end piece.
  • the product flows in the diffuser from the end piece via a channel to at least one outlet orifice, which may be fitted with an atomizing nozzle.
  • the internal cross section of the diffuser is preferably smaller than that of the end piece.
  • This channel may, via the inlet orifice, open laterally into the end piece, or into the bottom of the latter.
  • the flow rate of product depends on the minimum cross section available to the fluid between the valve and the diffuser.
  • the minimum internal cross section Si of the flow reducer and the internal cross section Se of the end piece upstream of the flow reducer satisfy the relationship 10Si ⁇ Se, better 20Si ⁇ Se, better 30Si ⁇ Se, better still 200Si ⁇ Se.
  • Si is equal to approximately 0.3 mm 2 and Se is equal to approximately 50 mm 2 , hence 165Si ⁇ Se.
  • the flow reducer preferably has an internal cross section that passes through a minimum between the inlet and the outlet. Indeed, it is principally the minimum internal cross section provided for product passage which makes it possible to limit the flow rate that can pass through the flow reducer.
  • the minimum internal cross section Si of the flow reducer is advantageously between 0.05 and 5 mm 2 , better 0.05 and 1 mm 2 , better between 0.07 and 0.8 mm 2 .
  • the flow reducer has an external diameter Di which is preferably between 0.05 and 2 mm approximately, in particular between 0.1 and 1 mm approximately, preferably equal to 0.3 mm approximately.
  • the flow reducer has a thickness Ei which is preferably between 1 and 20 mm approximately, in particular between 1 and 10 mm approximately. When it is thin, the flow reducer can be easily inserted into different types of end piece and does not compromise the mounting of the valve stem in the diffuser.
  • the flow reducer is advantageously interposed axially between a shoulder of the end piece and the valve stem.
  • the flow reducer is preferably in contact with the valve stem.
  • the flow reducer is preferably in contact only with the top end of the valve stem.
  • the flow reducer preferably does not comprise a cylindrical skirt internally and/or externally covering the upper part of the valve stem.
  • the flow reducer preferably has an external diameter Di that is substantially equal to the internal diameter De of the end piece, or even greater than the diameter De, in particular so as to be retained therein by gripping and so as to press in a substantially leaktight manner at its periphery against the internal surface of the end piece.
  • the flow reducer maybe mounted in the end piece by snap-fitting and/or by gripping.
  • the valve stem is preferably triggered by depressing or by tilting it.
  • the internal diameter De of the end piece is advantageously essentially equal to, or even greater than, the external diameter Dv of the valve stem. This makes it possible to avoid leakage of product at the junction between the valve stem and the end piece.
  • the minimum internal cross section Si of the flow reducer is preferably smaller than or equal to the internal cross section Sv of the outlet of the valve stem.
  • the minimum internal cross section Si of the flow reducer and the internal cross section Sv satisfy the relationship 10Si ⁇ Se, better 20Si ⁇ Se, better 30Si ⁇ Se, better still 200Si ⁇ Se.
  • the diffuser may comprise a body that is fixed with respect to the reservoir, and an actuation part that is able to move with respect to the body.
  • the end piece is borne by the mobile actuation part.
  • the entire diffuser is able to move with the valve stem.
  • the diffuser is conventionally created by injection moulding of one or more thermoplastic materials.
  • the valve stem is conventionally made of plastic material.
  • the product is preferably pressurized inside the reservoir by means of a compressed and non-liquefied propellant gas.
  • the propellant gas may be mixed or not mixed with the product leaving the valve stem when the latter is actuated.
  • the product may be contained inside the reservoir in a flexible pocket.
  • the reservoir may contain a propellant around the pocket, in particular a compressed and non-liquefied gas, in particular compressed air or compressed dinitrogen.
  • the pressure of the gas is for example between 1 and 15 bar approximately prior to first use.
  • the diffuser may be arranged in such a way that the product leaves the diffuser in the form of a spray, and may have one or more nozzles, with swirl-inducing channels or other channels.
  • the flow reducer is advantageously made of a non-elastomeric thermoplastic polymer material, for example a polyolefin, in particular a polypropylene, or of polyethylene terephthalate (PET), of a thermoplastic elastomer (TPE) polymer material, or of a thermosetting polymer material.
  • a non-elastomeric thermoplastic polymer material for example a polyolefin, in particular a polypropylene, or of polyethylene terephthalate (PET), of a thermoplastic elastomer (TPE) polymer material, or of a thermosetting polymer material.
  • the flow reducer may be made in a rigid material or structure, in particular a rigid polymer material or structure. Such material or structure does not undergo significant deformation in normal use of the device.
  • the flow reducer may have a single orifice.
  • the invention further relates to a method for manufacturing the packaging and dispensing device as defined above, comprising the following steps of: filling the reservoir with product by injecting it through the valve stem that is already mounted on the reservoir, mounting, on the valve stem, a diffuser whose end piece receiving the valve stem has been fitted in advance with the flow reducer.
  • the cost and packaging time of such a packaging and dispensing device are improved compared to the costs and time required for packaging of a packaging and dispensing device comprising a flow rate restriction placed directly in the orifice of the valve.
  • the diffuser is advantageously an existing model for atomizing a product under the pressure of a propellant gas, in particular stored in the liquefied state, in the reservoir on which the diffuser is mounted.
  • the invention further relates to a range of packaging and dispensing devices for a product, comprising at least one first device according to the invention, as defined above, and a second packaging and dispensing device, which may or may not be according to the invention, comprising or not comprising a flow reducer.
  • This second device comprises a reservoir containing a product and a propellant gas, provided with a dispensing valve comprising a valve stem which, when actuated, causes the product to leave the reservoir.
  • the second device comprises a diffuser by means of which the valve stem can be actuated manually, comprising an end piece which receives the valve stem and into which the latter is fitted, in contact with the end piece.
  • the end pieces for mounting the diffusers of the first and second devices are identical.
  • valve stems of the valves of the first and second devices are also identical.
  • the second device is a device according to the invention.
  • the flow reducer of the second device has, in this case, a minimum internal cross section Si that is different from the minimum internal cross section Si of the flow reducer of the first device.
  • the second device has no flow reducer.
  • Figure 1 shows a diagrammatic side view of an example of a dispensing and packaging device according to the invention
  • Figure 2 is a partial and diagrammatic axial section through part II of the device of Figure 1,
  • Figure 3 shows, diagrammatically, in isolation and in part, and in longitudinal section, the end piece of the diffuser of the device of Figure 2, fitted with the flow reducer,
  • Figure 4 shows, diagrammatically, from above and in isolation, the flow reducer of Figure 3,
  • FIG 5 is a diagrammatic view, in longitudinal section along V, of the flow reducer of Figure 4,
  • Figure 6 is a view similar to Figure 5 of another example of a flow reducer
  • FIG 7 Figure 7 is a view similar to Figure 5 of another example of a flow reducer
  • Figure 8 is a view similar to Figure 5 of another example of a flow reducer
  • Figure 9 is a view similar to Figure 5 of another example of a flow reducer
  • Figure 10 is a view similar to Figure 5 of another example of a flow reducer
  • FIG 11 is a view similar to Figure 5 of another example of a flow reducer
  • Figure 12 is a view similar to Figure 5 of another example of a flow reducer
  • Figure 13 is a graph illustrating the change in the quality of the spray depending on the degree of emptying of the reservoir for a device according to the invention and for a device without a flow reducer,
  • Figure 14 is a block diagram illustrating the steps of an example of a method according to the invention.
  • Figure 15 depicts, in partial longitudinal section and diagrammatic ally, a range of devices according to the invention.
  • Figure 16 is a view similar to Figure 2 of another example of a device according to the invention.
  • the device 1 comprises a reservoir 2 containing a product P, in this example a cosmetic product, which extends along a longitudinal axis Z and a diffuser 6, mounted on the reservoir 2, being for example snap-fitted or otherwise attached to the reservoir at its upper end.
  • the product P is contained inside the reservoir 2.
  • the product P is contained in a flexible pocket 10, depicted diagrammatically and partially in dashed lines, and the reservoir 2 contains, around the pocket 10, a non-liquefied propellant gas 11, for example compressed dinitrogen.
  • the device 1 comprises a dispensing valve 4 mounted on the reservoir 2 in a manner that is known per se, for example by means of a crimped metal dome, and comprising a valve stem 5 which extends along the longitudinal axis Z and which, when actuated, causes the product P to leave the reservoir 2.
  • the valve stem 5 is triggered by depressing it.
  • the product P is pressurized inside the reservoir 2 by means of a compressed and non-liquefied propellant gas 11, and is mixed with the product, the gas then leaving the reservoir with the product via the valve stem 5 when the latter is actuated.
  • the valve stem 5 can be actuated manually, and the diffuser comprises an end piece 7 which receives the valve stem 5 and into which the valve stem 5 is fitted, being in contact with the end piece 7.
  • the valve stem 5 comes into direct contact, via its essentially cylindrical outer surface 15, with the essentially cylindrical inner surface 16 of the end piece 7, at the upper part of the valve stem 5.
  • the diffuser 6 comprises a body 18 that is fixed with respect to the reservoir 2, and an actuation part 19 that is able to move with respect to the body 18.
  • the end piece 7 is borne by the actuation part 19.
  • the diffuser 6 is for example arranged in such a way that the product P leaves the diffuser in the form of a spray.
  • the device 1 comprises a flow reducer 8 inserted into the end piece 7 through the lower opening 24 thereof.
  • the end piece 7 comprises a shoulder 25 which is formed by a narrowing of its internal cross section and against which the flow reducer 8 comes to bear axially.
  • the flow reducer 8 is, in this example, made of a substantially rigid material.
  • the flow reducer 8 extends longitudinally between a lower end 13 and an upper end 14.
  • the end piece 7 hold, in this example, fixedly the flow reducer 8.
  • the flow reducer 8 is in contact with the valve stem 5. It is to be noted that the flow reducer 8 is in contact, via its lower end 13, only with the uppermost end 12 of the valve stem 5.
  • the flow reducer 8 has an orifice 9 that extends from the lower end 13 to the upper end 14 and that is traversed by the product P leaving the valve stem 5 to reach the diffuser 6.
  • the flow reducer 8 has a single orifice 9, said single orifice 9 being an axial through-hole, extending along the longitudinal axis Z.
  • the flow reducer 8 has a minimum internal cross section Si which is smaller than the cross section Se of the end piece downstream of the reducer 8, at 21, just above the shoulder 25.
  • the cross section Se is for example approximately ten times larger than the internal cross section Si in the example of Figure 3.
  • the flow reducer 8 is interposed axially between the shoulder 25 and the valve stem 5 in the end piece 7.
  • the upper end 14 of the flow reducer 8 is in contact with the shoulder 25.
  • the internal diameter De of the end piece 7 before the reducer 8 is substantially greater than the external diameter Dv of the valve stem 5, in order that the latter is force- fitted into the end piece. This makes it possible to ensure that the diffuser 6 is held on the valve stem 5, and that there is a seal established between the end piece 7 and the valve stem 5.
  • the flow reducer 8 has an external diameter Di, as shown in Figure 4, which in this example is substantially greater than the internal diameter De, being for example equal to 2 mm approximately.
  • the flow reducer 8 is, in this example, force-fitted into the end piece 7 in order to improve sealing and hold.
  • the orifice 9 of the flow reducer 8 has an inlet 28 and an outlet 29 and its minimum cross section Si, which in this example is equal to 0.196 mm 2 , is at a distance d from the outlet 29, for example equal to 0.3 mm.
  • the inlet 28 has, in axial cross section, an inlet fillet 31 whose radius of curvature is 0.2 mm in this example.
  • the outlet 29 has, in axial cross section, an outlet fillet 33 whose radius of curvature is 0.2 mm in this example.
  • the orifice 9 of the flow reducer 8 has a form of revolution and defines, between the inlet 28 and the minimum cross section Si, a convergent portion 34 that is essentially frustoconical in shape, with an apex half-angle i for example equal to 30°.
  • the flow reducer 8 has an external diameter Di of 2.50 mm and a thickness Ei of 1 mm.
  • the flow reducer 8 also has an external contour 26 having, over its entire perimeter, in the lower and upper parts, a fillet 27 whose radius of curvature is, in this example, 0.2 mm.
  • the flow reducer 8 of figure 5 is made of a non-elastomeric thermoplastic material, in this example polypropylene.
  • the shape of the through-orifice 9 of the reducer 8, and its minimum cross section Si may vary depending on requirements.
  • Figures 6 to 12 illustrate variants of the flow reducer 8, among other things.
  • the flow reducer 8 illustrated in Figure 6 has a minimum cross section Si equal to 0.071 mm 2 .
  • the flow reducer 8 has a minimum cross section Si equal to 0.502 mm 2 .
  • the flow reducer 8 has a minimum cross section Si equal to 0.785 mm 2 .
  • the flow reducer 8 has a minimum cross section Si equal to 0.071 mm 2 .
  • the convergent portion 34 of the flow reducer 8 of Figure 9 is only very slightly convergent, having an apex half-angle z equal to 1° in this example, in particular in order to create a greater pressure drop.
  • the flow reducer 8 is similar to that of Figure 9 but has a minimum cross section Si equal to 0.196 mm 2 .
  • the flow reducer 8 has a minimum cross section Si equal to 0.502 mm 2 .
  • the flow reducer 8 has a minimum cross section Si equal to 0.785 mm 2 .
  • the graph of Figure 13 illustrates the quality Q of the spray, that is to say the change in flow rate and/or pressure as a function of the time of use of a device according to the invention, comprising a flow reducer (curve A), and of a device not according to the invention, comprising the same reservoir, the same product (for example contained in pocket) at the same pressure, the same propellant gas, the same valve and the same diffuser as the device according to the invention, but without the flow reducer (curve B).
  • the device according to the invention makes it possible to obtain a better quality of spray than the device without a reducer.
  • the line C illustrates the limit of acceptability for the quality of the spray. It can be seen that the device according to the invention makes it possible to obtain a satisfactory spray quality (above the limit C) over an operating time t2 that is greater than that tl of the device without a flow reducer.
  • a first step 51 the reservoir 2 of the device 1 is filled with product P by injecting this product through the valve stem 5 that is already mounted on the reservoir 2 which is pressurized with the compressed gas.
  • the diffuser 6, fitted in advance with the flow reducer 8, is mounted on the valve stem 5.
  • This range 60 comprises for example devices la and lb which differ in the flow reducers 8 used, the products to be atomized being for example different, each flow reducer 8 being dimensioned so as to optimize the quality of the spray depending on the product P, and possibly depending on the pressure of the propellant gas used.
  • the flow reducer 8 may have a different geometry without departing from the scope of the invention, for example a cruciform internal cross section, or with multiple openings in order to generate a greater pressure drop.
  • the flow reducer 8 may be mounted in the end piece by coming to bear against an abutment that is not a shoulder, for example bearing against the end-wall of the end piece.
  • the valve 4 may have a different triggering mode, in particular triggering by tilting.
  • the flow reducer 8 may be made of a different material, for example another polyolefin or a PET.

Landscapes

  • 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)
  • Closures For Containers (AREA)

Abstract

Dispositif (1) de conditionnement et de distribution d'un produit (P), comprenant : - un réservoir (2) contenant le produit (P) sous pression, - une valve de distribution (4) montée sur le réservoir (2), comprenant une tige de valve (5) qui, lorsqu'elle est actionnée, amène le produit (P) à sortir du réservoir (2), - un diffuseur (6) au moyen duquel la tige de valve (5) peut être actionnée manuellement, comprenant une pièce d'extrémité (7) dans laquelle la tige de valve (5) est installée, en contact avec celle-ci, - un réducteur de débit (8) ajouté dans la pièce d'extrémité (7) devant la tige de valve (5), comportant un orifice (9) qui est traversé par le produit (P) sortant de la tige de valve (5) pour atteindre le diffuseur (6).
PCT/EP2021/075428 2020-09-23 2021-09-16 Dispositif de conditionnement et de distribution d'un produit WO2022063666A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FRFR2009627 2020-09-23
FR2009627A FR3114307B1 (fr) 2020-09-23 2020-09-23 Dispositif de conditionnement et de distribution d’un produit

Publications (1)

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WO2022063666A1 true WO2022063666A1 (fr) 2022-03-31

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WO (1) WO2022063666A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2187513A (en) 1986-02-11 1987-09-09 Bespak Plc Flow regulation in gas pressurised dispensing containers
EP0445165A1 (fr) * 1988-11-22 1991-09-11 Dunne Miller Weston Ltd Soupape de decharge de fluide.
EP0538543A1 (fr) 1991-10-23 1993-04-28 Deutsche Präzisions-Ventil GmbH Bouton pour un emballage aérosol
FR2739087A1 (fr) 1995-09-22 1997-03-28 Oreal Dispositif de conditionnement et de distribution a debit reglable
WO2016181823A1 (fr) * 2015-05-13 2016-11-17 株式会社三谷バルブ Structure de décharge de gouttes de contenu prêt pour un gaz comprimé, et produit du type gaz comprimé comportant ladite structure de décharge de gouttes de contenu
WO2019174970A1 (fr) 2018-03-11 2019-09-19 Lindal France Sas Réducteur de débit pour un distributeur de produit sous pression
WO2020007415A1 (fr) 2018-07-03 2020-01-09 MO GmbH & Co. KG Dispositif de dispersion d'aérosol

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2187513A (en) 1986-02-11 1987-09-09 Bespak Plc Flow regulation in gas pressurised dispensing containers
EP0445165A1 (fr) * 1988-11-22 1991-09-11 Dunne Miller Weston Ltd Soupape de decharge de fluide.
EP0538543A1 (fr) 1991-10-23 1993-04-28 Deutsche Präzisions-Ventil GmbH Bouton pour un emballage aérosol
FR2739087A1 (fr) 1995-09-22 1997-03-28 Oreal Dispositif de conditionnement et de distribution a debit reglable
WO2016181823A1 (fr) * 2015-05-13 2016-11-17 株式会社三谷バルブ Structure de décharge de gouttes de contenu prêt pour un gaz comprimé, et produit du type gaz comprimé comportant ladite structure de décharge de gouttes de contenu
WO2019174970A1 (fr) 2018-03-11 2019-09-19 Lindal France Sas Réducteur de débit pour un distributeur de produit sous pression
WO2020007415A1 (fr) 2018-07-03 2020-01-09 MO GmbH & Co. KG Dispositif de dispersion d'aérosol

Also Published As

Publication number Publication date
FR3114307B1 (fr) 2022-09-23
FR3114307A1 (fr) 2022-03-25

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