EP3405291B1 - Dispositif de conditionnement et de distribution sans reprise d'air d'un produit, notamment à plusieurs phases, bague de purge et procédé associés - Google Patents

Dispositif de conditionnement et de distribution sans reprise d'air d'un produit, notamment à plusieurs phases, bague de purge et procédé associés Download PDF

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Publication number
EP3405291B1
EP3405291B1 EP17700713.5A EP17700713A EP3405291B1 EP 3405291 B1 EP3405291 B1 EP 3405291B1 EP 17700713 A EP17700713 A EP 17700713A EP 3405291 B1 EP3405291 B1 EP 3405291B1
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EP
European Patent Office
Prior art keywords
product
ring
base
central
central orifice
Prior art date
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Active
Application number
EP17700713.5A
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German (de)
English (en)
French (fr)
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EP3405291A1 (fr
Inventor
Mathieu Goutayer
Yan Eric PAFUMI
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.)
Capsum SAS
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Capsum SAS
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Publication of EP3405291A1 publication Critical patent/EP3405291A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0078—Arrangements for separately storing several components
    • B05B11/0081—Arrangements for separately storing several components and for mixing the components in a common container as a mixture ready for use before discharging the latter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0097—Means for filling or refilling the sprayer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/30—Dip tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
    • B05B11/00446—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means the means being located at the bottom of the container or of an enclosure surrounding the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1045—Sealing or attachment arrangements between pump and container the pump being preassembled as an independent unit before being mounted on the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1074—Springs located outside pump chambers

Definitions

  • the present invention relates to a device for packaging and distributing a product without air intake, in particular with several phases.
  • the product with several phases is advantageously a cosmetic product, a biologically active product, or an edible product suitable for consumption.
  • Such a product is formed for example from a first phase in the form of drops dispersed in a second liquid phase so as to form an emulsion.
  • the second phase is substantially immiscible with the first phase.
  • Such a product comprises for example a dispersion of water-in-oil or oil-in-water type comprising kinetically stable drops of dispersed phase, of size greater than 500 ⁇ m, or even greater than 1000 ⁇ m, and in particular between 500 ⁇ m and 3000 ⁇ m, preferably between 700 ⁇ m and 2000 ⁇ m, and better still between 800 ⁇ m and 1200 ⁇ m.
  • Such a product is in particular obtained using a microfluidic process, in particular as described in FR 2 972 371 A1 or FR 3 012 050 A1 .
  • a product with several phases as described above has the advantage of preserving the integrity of the active ingredient (s) encapsulated within the drops dispersed in the continuous phase. until the moment of distribution or, possibly, consumption of said product.
  • the large size of the drops of a product obtained using a microfluidic process is also advantageous in that it contributes to a significant reduction in the specific surface area and therefore of the phenomena of light scattering at the interfaces. and thus helps to maximize the transparency of the emulsion.
  • products of this type generally have low mechanical strengths, which can lead to shearing or fragmentations of the drops during the transport of these products. This is why these products are generally marketed in distribution devices without air return, also called “airless” devices.
  • Such a device nevertheless has the advantage of allowing the product to be dispensed regardless of the orientation of the device, in particular upside down or upside down.
  • a dispensing device without air intake has a receptacle surmounted by a dispensing pump of the type without air intake, that is to say, a pump which has a double valve without passage. air.
  • the bottom of the container is formed by a movable piston which slides inside the container.
  • the piston rises inside the container when a dose of product is drawn into a metering chamber of the pump.
  • This ring is associated with the pump. It has a flexible frustoconical skirt narrowing towards the bottom of the container and pierced with a central orifice for communication with a suction duct of the pump. The skirt is designed to rest elastically against an internal wall of the container.
  • the movable piston When filling, the movable piston is placed in the low position in the container. The product is introduced into the container in excess of its nominal volume. The pump with the purge ring is then placed on top of the container.
  • the skirt of the purge ring then comes into contact with the product, which expels the air and the excess product above the skirt. More precisely, the air and the excess product escape at the level of the region of the skirt of the purge ring, pressing against the internal wall of the container. This air and this excess product are then found in a dead volume located above the purge ring and this excess product will not be distributed. On the other hand, the volume located between the skirt and the movable piston only contains the product which will be sucked up by the suction pipe of the pump.
  • the suction by the pump of the product in several phases produces zones in which the dispersion of the dispersed phase in the continuous phase becomes inhomogeneous.
  • the concentration of the drops decreases.
  • the concentration of the drops of the dispersed phase can even increase considerably. This then leads to an inhomogeneous distribution of the drops of product in the container.
  • the container is transparent, this creates an unattractive aesthetic effect for a user.
  • the object of the present invention is to provide a device for packaging and distributing without air intake of a product having improved suction qualities and, in particular, making it possible to overcome the aforementioned drawbacks.
  • the subject of the invention is a packaging and dispensing device according to claim 1.
  • the subject of the invention is also a purge ring according to claim 9.
  • the subject of the invention is also a distribution method, a distribution method according to claim 10.
  • the distribution device 10 of the figure 1 makes it possible to condition and distribute a product 12 without air intake.
  • the dispensing device 10 makes it possible to avoid any contact of the undistributed product 12 with air during the packaging of this product 12.
  • Product 12 is, for example, a product with several phases.
  • the multi-phase product 12 is in particular a cosmetic product, a biologically active product, or an edible product suitable for consumption.
  • the product 12 comprises a dispersion of drops 13 of a first phase 14 dispersed in a second phase 16 substantially immiscible with the first phase 14.
  • the first phase 14 is a fatty phase and the second phase 16 is an aqueous phase.
  • the first phase 14 is an aqueous phase and the second phase 16 is a fatty phase.
  • the first phase 14 is advantageously a fatty phase, in particular comprising at least one oil.
  • the first phase 14 and / or the second phase 16 can in particular comprise at least one product which can be chosen from a biologically active product, a cosmetic product, or an edible product suitable for consumption.
  • the first product is a biologically active product
  • it is advantageously chosen from anticoagulants, anti-thrombogenic agents, antimitotic agents, anti-proliferation, anti-adhesion, anti-migration agents, cell adhesion promoters, growth factors.
  • antiparasitic molecules anti-inflammatory drugs, angiogenics, angiogenesis inhibitors, vitamins, hormones, proteins, antifungals, antimicrobial molecules, antiseptics, antibiotics, and mixtures thereof.
  • the second phase 16 in particular when represented by an aqueous phase, can comprise at least one reactive agent, such as for example proteins or reagents intended to form a bioreactor, or to form artificial cells for implants.
  • at least one reactive agent such as for example proteins or reagents intended to form a bioreactor, or to form artificial cells for implants.
  • a cosmetic product is for example mentioned in Council Directive 93/35 / EEC dated June 14, 1993.
  • This product is for example a cream, an emulsion, a lotion, a gel and an oil for the skin (hands, face, feet, etc.), a foundation (liquid, paste) a preparation for baths and showers (salts, foams, oils, gels, etc.), a hair care product (hair dyes and bleaches), a cleaning product (lotions, powders, shampoos), a hair care product (lotions, creams, oils), a skin care and / or makeup product, a styling product (lotions, lacquers, brillines), a shaving product (soaps, foams, lotions, etc.), a product intended to be applied to the lips, a sun product, a sunless tanning product, a product for whitening the skin, an anti-wrinkle product.
  • Edible products suitable for consumption by a human being or by an animal are advantageously vegetable or fruit purees such as mango puree, pear puree, coconut puree, onion cream, leeks, carrots, or other preparations that can mix several fruits or vegetables.
  • vegetable or fruit purees such as mango puree, pear puree, coconut puree, onion cream, leeks, carrots, or other preparations that can mix several fruits or vegetables.
  • oils such as edible oil, of the olive oil, soybean oil, grape seed oil, sunflower oil, or any other oil extracted from plants.
  • the first phase 14 and / or the second phase 16 can also include molecules of cosmetic interest, such as active agents, dyes, stabilizers, preservatives, modifying agents chosen from texture agents, viscosity, pH, osmotic strength or refractive index modifiers.
  • molecules of cosmetic interest such as active agents, dyes, stabilizers, preservatives, modifying agents chosen from texture agents, viscosity, pH, osmotic strength or refractive index modifiers.
  • the fatty phase, or even the product 12, according to the invention has a viscosity of from 1 mPa.s to 500,000 mPa.s, preferably from 10 mPa.s to 300,000 mPa.s, better still from 400 mPa.s to 100,000 mPa.s, and more particularly from 1,000 mPa.s to 30,000 mPa.s, as measured at 25 ° C and according to the method described in FR 3 012 050 .
  • the product 12 is transparent or substantially translucent.
  • substantially translucent is meant that the absorbance of the product in question is generally less than 5%, preferably less than 2%, preferably less than 1% for at least one wavelength in the visible spectrum of 400 nanometers to 1000 nanometers, advantageously over any wavelength of the visible spectrum from 400 nanometers to 1000 nanometers.
  • the product 12, and more particularly the first phase 14 and / or the second phase 16 of said product 12, and / or the container 20 is / are colored, while nevertheless retaining the at least translucent character mentioned above, of so as to further enhance the attractive visual of the product 12, or even of the device 10 comprising said product 12.
  • the first phase 14 and the second phase 16 are substantially immiscible.
  • the solubility of the first phase 14 in the second phase 16 is advantageously less than 5% by mass.
  • the drops 13 are dispersed in the second phase 16 in a homogeneous manner.
  • the drops 13 have an average diameter greater than 500 ⁇ m, or even greater than 1000 ⁇ m, and in particular between 500 ⁇ m and 3000 ⁇ m, preferably between 700 ⁇ m and 2000 ⁇ m, and better still between 1000 ⁇ m and 1500 ⁇ m
  • the content of the drops 13 is preserved inside said drops during the filling of the product 12 in the dispensing device 10 and during its packaging in this device 10.
  • this content is preserved until the moment of distribution / consumption of the product 12 by a user.
  • product 12 corresponds to any product capable of being obtained by the process described in FR 2 972 371 A1 or FR 3 012 050 A1 .
  • the product 12 corresponds to any other product with several phases known per se.
  • the dispensing device 10 comprises a receptacle 20 intended to contain the product 12, a dispensing member 22 of this product 12 and a purge ring 24 making it possible to expel the air from the receptacle 20 when filling the dispensing device 10.
  • the dispensing device 10 further comprises a receptacle intended to contain at least the receptacle 20.
  • the receptacle is for example transparent or at least translucent and has a suitable shape.
  • the internal shape of the receptacle is for example substantially complementary to the external shape of the container 20, and the external shape of the receptacle has, for example, a desired ergonomic shape.
  • the receptacle has the shape of a prism or of a straight block (or rectangular parallelepiped) and the container 20 has a tubular (or cylindrical) shape.
  • the container 20 has a lower end 31, an upper end 32 and a side wall 33 extending between the ends 31 and 32 along a longitudinal axis XX '.
  • the container 20 has a tubular shape with a constant cross section at least between its ends 31 and 32.
  • the cross section is advantageously circular.
  • the side wall 33 notably delimits an inner surface 36 laterally delimiting a variable inner volume containing the product 12.
  • the inner surface 36 is in contact with the product 12.
  • the lower end 31 of the container 20 is partially closed by a radial extension of the side wall 33 of the container 20 and delimits an air suction orifice 37 in this extension.
  • the lower end 31 comprises a piston 38 movable along the longitudinal axis X-X 'between an initial position and a final position.
  • the piston 38 is in its initial position when the container 20 is completely filled with the product 12. In this position, the piston 38 is adjacent to the lower end 31 of the container 20.
  • the piston 38 is in its final position when the container 20 is substantially empty. In this position, the piston 38 is adjacent to the upper end 32 of the container 20.
  • the piston 38 is able to rise along the longitudinal axis XX 'by sliding along the inner surface 36 of the side wall 33 to its final position. by abutting against the bleed ring 24.
  • the piston 38 thus delimits downwards the internal volume containing the product 12.
  • the piston 38 contacts the inner surface 36 of the side wall 33 in a sealed manner by sucking air at atmospheric pressure through the suction port 37.
  • the piston 38 has a shape that is substantially complementary to the shape of the purge ring 24 explained below.
  • This embodiment is in particular advantageous in that it makes it possible to reduce the static volumes described above.
  • the upper end 32 of the container 20 is open and has a dispensing neck 40 on which the dispensing member 22 is mounted.
  • the dispensing member 22 comprises a dispensing pump 42, a push-button 44 which can be actuated by the user and delimiting a dispensing orifice 46, and a protective cap 48 covering the dispensing neck 32 of the container 20 and the pump 42. .
  • the pump 42 is a type pump without air intake with double valve, known per se.
  • the pump 42 comprises a body 50 fixed to the dispensing neck 32 of the receptacle 20 and comprising a metering chamber 52, a suction duct 54 penetrating into the receptacle 20 and a dispensing duct 56 communicating with the orifice. distribution 46.
  • the metering chamber 52 is delimited by two valves, one of which opens into the suction duct 54 and the other into the distribution duct 56.
  • the internal volume of the metering chamber 52 corresponds to a dose of the product 12 delivered in a single actuation of the pump 42.
  • the purge ring 24 is mounted on the suction duct 54.
  • a dead volume 60 is formed between the pump 42 and the purge ring 24.
  • This dead volume is dedicated to include the air and the product 12 present in excess in the container 20 and thus to ensure the absence of air in the container 20 in the condition of use.
  • the product 12 contained in this dead volume 60 is not intended to be dispensed via the pump 42.
  • the purge ring 24 according to the first embodiment of the invention is illustrated in more detail on the figures 2 and 3 .
  • the purge ring 24 comprises a base 62 and a deflector 64.
  • the base 62 of the purge ring 24 delimits a central orifice 68 comprising a first end into which the suction duct 54 of the pump 42 opens and a second end opposite the first end.
  • the central orifice 68 defines a central axis A-A 'of the ring 24.
  • the central axis A-A' coincides with the longitudinal axis X-X 'when the ring 24 is mounted on the suction duct 54.
  • the ring 24 is fitted onto the suction duct 54 in the central orifice 68, in particular without the suction duct 54 completely passing through it.
  • the suction duct 54 is thus clamped in the central orifice 68.
  • the ring 24 comprises a central sleeve of axis A-A 'internally defining the first end of the central orifice 68.
  • the base 62 is produced in the form of a frustoconical skirt having an outline 70 and a lateral surface 72 extending between the central orifice 68 and the outline 70.
  • the side surface 72 converges from the outer contour 70 to the second end of the central hole 68.
  • the base 62 of the purge ring 24 preferably adopts a shape and / or is made of a material providing it with elastic deformation properties in order to allow the passage of air and of the excess product 12 from the container. 20 towards the dead volume 60 when fixing the dispensing member 22 with the purge ring 24 previously mounted on the suction duct 54 on the dispensing neck 40 of the container 20.
  • the skirt is advantageously of converging shape towards the bottom, that is to say, towards the lower end 31 of the container 20 when the purge ring 24 is mounted on the suction duct 54.
  • This embodiment is advantageous. in that it further facilitates the passage of air and excess product 12 from the container 20 to the dead volume 60.
  • the skirt is advantageously symmetrical with respect to the central axis A-A '.
  • the sleeve defining the central orifice 68 projects upwardly into the skirt opposite the movable bottom.
  • the outline 70 has a shape substantially similar to the shape of the cross section of the container 20.
  • the outline 70 has a circular shape.
  • the outline 70 is able to come into contact with the interior surface 36 of the container 20 in a sealed manner.
  • the contour 70 bears resiliently against the interior surface 36 of the container 20.
  • the lateral surface 72 is capable of coming, at least partially, into contact with the product 12. It delimits upwards, opposite the bottom, the internal volume containing the product.
  • the deflector 64 is formed by a deflection cap mounted on the second end of the central orifice 68 and extending upwardly opposite the lateral surface 72 of the purge ring 24 in partially covering this surface 72.
  • the deflection cap is mounted transversely with respect to the central axis A-A '.
  • the deflection cap has the shape of a skirt, the narrowed part of which is closed.
  • the skirt partially follows the side surface 72 of the ring 24.
  • the deflection cap and the lateral surface 72 are axially offset along the central axis AA 'with respect to each other so as to form between them at least one circulation channel 80 of the product 12.
  • the or each channel 80 opens on one side into the central orifice 68 and, on the other, into a radial opening 82 on the lateral surface 72.
  • the or each radial opening 82 is radially offset with respect to the central axis A -TO'.
  • the product 12 is able to circulate in the or each channel 80 by entering through the corresponding radial opening 82 towards the central orifice 68, then towards the suction duct 54.
  • five channels 80 are formed between the deflection cap and the side surface 72.
  • the channels 80 are disposed uniformly around the central axis A-A 'and form radial openings 82 disposed uniformly around the central axis A-A'.
  • the openings 82 are radially spaced substantially by 72 °.
  • the figure 3 corresponds to a cut of the figure 2 by two half-section planes passing through the central axis AA 'and forming between them an angle ⁇ substantially equal to 144 °. This makes it possible to view two channels 80 in section on the figure 3 .
  • the base 62 and the deflector 64 are made of flexible material, in particular of polyethylene or of high density polyethylene by a production technique known per se such as injection or additive manufacturing.
  • the flexibility in particular of the base 62 makes it possible to ensure sufficient elastic deformation of the ring 24 so as to ensure the passage of air and of the excess product 12 from the container 20 to the dead volume 60 as well as the seal between the surface.
  • the base 62 and the deflector 64 are produced in the form of two separate parts. According to this example, the deflector 64 is able to be fitted onto the lateral surface 72 of the base 62.
  • the base 62 and the deflector 64 are made in a single piece made from one material.
  • the dispensing device 10 is filled with the product 12.
  • the product 12 is first put in excess in the receptacle 20.
  • the dispensing member 22 with the ring purge 24 mounted on the suction duct 54 is fixed on the distribution neck 40 of the container 20.
  • the purge ring 24, in particular the outer contour 70 of said purge ring 24, cooperates in a sealed manner with the inner surface 36 of the container 20.
  • the product 12 is sucked first into the metering chamber 52, then into the dispensing duct 56 to finally be dispensed through the dispensing orifice 46 .
  • the air is not introduced into the container 20 and the volume of the product 12 distributed is compensated by the rise of the piston 38 which is then pushed by atmospheric pressure through the orifice d suction 37.
  • the radial openings 82 make it possible to create several radial flows (or flows) in the vicinity of the purge ring 24.
  • the product 12 moves in directions perpendicular to the longitudinal axis X-X '.
  • the product 12 is therefore sucked radially from the interior surface 36 of the container 20 towards the longitudinal axis X-X '.
  • the product 12 even partially circulates towards the bottom 38 of the container before making a bend to go up along the longitudinal axis X-X 'in the central orifice 68.
  • the product 12 circulates in the channels 80 radially towards the central orifice 68 through which it subsequently flows in the longitudinal direction.
  • the product 12 is distributed by actuating the pump 42 until the piston 38 abuts against the purge ring 24. Thus, the product 12 contained in the dead volume 60 is not distributed via the pump 42.
  • the dispensing device 10 makes it possible to dispense a product 12 without creating static volumes below the ring 24.
  • This effect is achieved by modifying the conventional purge ring.
  • a deflector added to the side surface of the purge ring deflects the flow of product to reveal a radial component of the flow velocity.
  • the converging shape of the downward purge ring combined with the presence of a radial opening through the ring, makes it possible to avoid static volumes along the side surface of the ring.
  • the dispensing device 10 When the product 12 is a product with several phases, in particular with a phase presented in the form of drops dispersed in another, the dispensing device 10 according to the invention also makes it possible to maintain the homogeneity of this product, and in particular to keep the drops homogeneous in the product.
  • the deflector avoids zones of depletion, or even zones of stagnation, of the drops.
  • the dispersion of the drops remains homogeneous in the product during the packaging and distribution of this product, in particular near the purge ring 24.
  • a purge ring 124 according to an example not forming part of the invention will be detailed below with reference to figures 5 to 8 .
  • the purge ring 124 is substantially similar to the purge ring 24 described above.
  • the purge ring 124 is intended to be mounted in a distribution device similar to the distribution distributor 10 described above.
  • the purge ring 124 comprises a base 162. However, unlike the first embodiment, the purge ring 124 does not have a deflector.
  • the base 162 is analogous to the base 62 already described.
  • the base 162 defines a central orifice 168, has a contour 170 and a lateral surface 172 extending between the contour 170 and the central orifice 168.
  • the central orifice 168 makes it possible to fit the purge ring 124 to a suction duct of the dispensing device similar to the suction duct 54.
  • the base 162 of the purge ring 124 defines at least one slot 180 extending over the side surface 172 of the base 162.
  • the or each slot 180 extends from one end 181 of the base 162 into which the central orifice 168 opens, moving radially away from the central axis A-A '.
  • the or each slot 180 extends for example along a straight line, called the slot line, on the side surface 172.
  • the or each slot 180 thus forms a radial opening 182 communicating with the central orifice 168 and creates a radial component of the speed of circulation of the product 12 during its distribution.
  • the base 162 defines three slots 180 spaced regularly around the central axis A-A '.
  • these slots 180 are radially spaced substantially by 120 °.
  • the angle ⁇ between two half-section planes of the figures 5 and 7 is substantially equal to 120 ° which makes it possible to visualize two slits 180 in section respectively on the figures 6 and 8 .
  • the slots 180 have a substantially constant cross section.
  • the base 162 has a stepped shape with a lower level 190 in the form of a cone, the apex of which corresponds to the end 181 and an upper level 192 in the form of a narrowed skirt. towards the lower level 190.
  • the slits 180 extend over the part of the side surface 172 delimited by the lower level 190.
  • the slots 180 widen as the radial distance from the central axis A-A '.
  • the base 162 has a shape of a skirt substantially similar to that of the base 62.
  • the distribution method implemented by a distribution device with the distribution ring 124 mounted therein is similar to that described above.
  • the slots 180 of the ring 124 cause a radial flow in the vicinity of the ring 124 during the dispensing of the product 12 which promotes the suction of the product 12 from the interior surface of the container.
  • the particular advantage of the purge ring 124 according to the second embodiment lies in the simplicity of its manufacture.
  • the purge ring 124 can be manufactured by a simple injection process in a mold with two shells, none of the walls of this part being undercut with respect to the central axis A-A '.
  • the length of the projection of the or each slit line on the central axis AA ' is greater than the length of the projection of the or each slit line on a plane perpendicular to the central axis A-A '.
  • the length of the projection of the or each slit line on the central axis AA ' is twice the length of the projection of the or each slit line on a plane perpendicular to the central axis A-A' .
  • This embodiment is advantageous in that it further promotes the radial flow in the vicinity of the ring 124 during the dispensing of the product 12.
  • the projection of the or each slit line on the plane perpendicular to the 'central axis AA' corresponds to the shortest path for the product 12 to reach the orifice 168.
  • the suction of the product 12 is therefore preferably at the level of the projection of the or each slit line on the plane perpendicular to the central axis A-A ', which helps to amplify the desired radial flow.
  • the second embodiment of the purge ring 124 is advantageous in that it promotes suction of the product 12 at the level of the areas of the slot (s) 180 having the radial distance from the central axis AA 'the most important.
  • the slots 180 widen as and when the central axis A-A 'moves away radially.
  • This embodiment is advantageous in that it further promotes a suction of the product 12 at the level of the zones of the slot (s) 180 having the radial distance from the central axis AA 'the greatest, and therefore promotes the desired radial flow.
  • a purge ring 224 according to another example not forming part of the invention will be detailed below with reference to figures 9 and 10 .
  • the purge ring 224 is substantially similar to the purge ring 24.
  • the purge ring 224 has a base 262.
  • the purge ring 224 is devoid of a baffle.
  • the base 262 is substantially similar to the base 62 described above.
  • the base 262 defines a central orifice 268, has a contour 270 and a lateral surface 272 extending between the central orifice 268 and the contour 270.
  • the purge ring 224 comprises a strainer (or device) 273 of cylindrical shape having a lower end and an upper end, and defining a side wall extending between the two ends.
  • the strainer 273 is fitted onto the base 262 on the side of its upper end and defines an internal duct 274 (visible on the figure 10 ) extending the central orifice 268 along the central axis A-A '. The lower end is sealed.
  • the side wall of the strainer 273 comprises at least one opening 282 communicating with the internal duct 274 to promote radial flow during the suction of the product 12.
  • the side wall of the strainer 273 defines five openings 282 regularly spaced around the central axis A-A '.
  • the radial spacing angle is thus substantially equal to 72 °.
  • the angle ⁇ between two half-section planes of the figure 9 is substantially equal to 144 ° which makes it possible to visualize four openings 282, two of which are in section, on the figure 10 .
  • the strainer 273 is manufactured in one piece with the base 262.
  • the base 262 and the strainer 273 are manufactured in the form of two separate parts.
  • the distribution method implemented by a distribution device with the distribution ring 224 mounted therein is similar to that described above.
  • the product 12 is sucked through the radial opening (s) 282 of the strainer 273 which creates a radial component of the circulation speed of the product 12.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • External Artificial Organs (AREA)
EP17700713.5A 2016-01-22 2017-01-20 Dispositif de conditionnement et de distribution sans reprise d'air d'un produit, notamment à plusieurs phases, bague de purge et procédé associés Active EP3405291B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1650524A FR3046944B1 (fr) 2016-01-22 2016-01-22 Dispositif de conditionnement et de distribution sans reprise d'air d'un produit, notamment a plusieurs phases, bague de purge et procede associes
PCT/EP2017/051251 WO2017125590A1 (fr) 2016-01-22 2017-01-20 Dispositif de conditionnement et de distribution sans reprise d'air d'un produit, notamment à plusieurs phases, bague de purge et procédé associés

Publications (2)

Publication Number Publication Date
EP3405291A1 EP3405291A1 (fr) 2018-11-28
EP3405291B1 true EP3405291B1 (fr) 2021-07-21

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EP17700713.5A Active EP3405291B1 (fr) 2016-01-22 2017-01-20 Dispositif de conditionnement et de distribution sans reprise d'air d'un produit, notamment à plusieurs phases, bague de purge et procédé associés

Country Status (6)

Country Link
US (1) US10835910B2 (zh)
EP (1) EP3405291B1 (zh)
KR (1) KR20180109948A (zh)
CN (1) CN108778525B (zh)
FR (1) FR3046944B1 (zh)
WO (1) WO2017125590A1 (zh)

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Also Published As

Publication number Publication date
EP3405291A1 (fr) 2018-11-28
WO2017125590A1 (fr) 2017-07-27
KR20180109948A (ko) 2018-10-08
CN108778525B (zh) 2021-08-31
CN108778525A (zh) 2018-11-09
US20190022679A1 (en) 2019-01-24
FR3046944B1 (fr) 2022-04-01
FR3046944A1 (fr) 2017-07-28
US10835910B2 (en) 2020-11-17

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