EP1040773B1 - Portable dispenser for packaging and dispensing coloured cosmetic products - Google Patents

Portable dispenser for packaging and dispensing coloured cosmetic products Download PDF

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Publication number
EP1040773B1
EP1040773B1 EP00400897A EP00400897A EP1040773B1 EP 1040773 B1 EP1040773 B1 EP 1040773B1 EP 00400897 A EP00400897 A EP 00400897A EP 00400897 A EP00400897 A EP 00400897A EP 1040773 B1 EP1040773 B1 EP 1040773B1
Authority
EP
European Patent Office
Prior art keywords
mixing chamber
fact
piston
dispenser according
dispenser
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
Application number
EP00400897A
Other languages
German (de)
French (fr)
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EP1040773A1 (en
Inventor
Dominique Esclar
Johan Aubert
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.)
LOreal SA
Original Assignee
LOreal SA
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Filing date
Publication date
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00569—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with a pump in the hand tool
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D19/00—Devices for washing the hair or the scalp; Similar devices for colouring the hair
    • A45D19/02—Hand-actuated implements, e.g. hand-actuated spray heads
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D44/00—Other cosmetic or toiletry articles, e.g. for hairdressers' rooms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/44—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement
    • B01F31/441—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement performing a rectilinear reciprocating movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50—Movable or transportable mixing devices or plants
    • B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
    • B01F33/5011—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/7174—Feed mechanisms characterised by the means for feeding the components to the mixer using pistons, plungers or syringes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00553—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with means allowing the stock of material to consist of at least two different components
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/05—Details of containers
    • A45D2200/058—Means for mixing different substances prior to application

Definitions

  • the present invention relates to the field of packaging and distribution of colored cosmetic products, in particular foundations.
  • the utility model DE 296 02 244 describes a device comprising a mixing chamber connected to two containers containing substances to be mixed, without agitator. These substances can be sunscreens or colored shampoos.
  • Patent application DE 196 47 617 describes an apparatus for dosing and distribute a mixture for hair treatment.
  • the dispenser according to the invention is defined in claim 1.
  • the user can distribute in the mixing chamber a certain quantity of the products contained in the tanks and homogenize the content of the mixing chamber by means of the agitator.
  • the color of the mixture obtained being visible from the outside, the user can at any moment add a new quantity of one of the products contained in the tanks in order to change the color of the mixture if it is not suitable.
  • a dispenser comprising at least two reservoirs arranged to dispense the products contained therein in selected proportions and a mixing chamber to the interior of which the products distributed by the tanks mix, is known by example by US patent 4,893,729.
  • This dispenser is intended to contain products solar and is not suitable for distributing products with different shades, the user being able on the one hand to observe the color of the mixture obtained only on leaving the distributor and on the other hand the latter not comprising an agitator making it possible to homogenize the contents of the mixing chamber before sampling.
  • the mixing chamber is defined at least partially by a wall made of a transparent material. So, the user can easily see the color of the mixture through this wall and adjust if necessary.
  • the agitator comprises a control rod.
  • This control rod can be actuated by the user in order to homogenize the contents of the mixing chamber.
  • the agitator is axially movable along the axis of the rod. aforementioned command and is also movable in rotation about the axis of this rod of ordered.
  • the distributor comprises a piston allowing to distribute the product contained in the mixing chamber.
  • This piston can be mobile relative to the tank and it can be fitted with first attachment means, the agitator being provided with second hooking means arranged to cooperate with said first attachment means to allow coupling of the agitator and the piston after mixing the products in the mixing chamber and using the displacement of the agitator to drive the piston and distribute the mixture.
  • the coupling of the agitator and the piston can be carried out for example thanks to the fact that the agitator is movable in rotation about the axis of the control rod.
  • the aforementioned first attachment means can be in the form lugs having an enlarged body and head and the aforementioned second attachment means may be in the form of lights each comprising at one end a opening of sufficient size to allow passage of the head of a lug when the agitator is moved axially and a narrow opening in which the body the lug can engage after the agitator has been rotated around its axis, this narrow opening being narrower than the head of the lug in order to allow to couple the agitator and the piston and to be able to cause the piston to move axially jointly with the agitator.
  • the agitator comprises a perforated disc.
  • the mixing chamber communicates with a dispensing nozzle fitted with a calibrated valve to open when the volume of the mixing chamber decreases.
  • the distributor includes a valve at least two ways, able to take a first position in which the mixture communicates with one of the tanks and a second position in which the mixing chamber communicates with another tank, as well as a third position in which the mixing chamber is isolated from the tanks.
  • This valve can be, in a particular embodiment, in the form a cover which can rotate relative to the body of the aforementioned case.
  • the mixing chamber communicates permanently with the dispensing nozzle, the latter being fitted with a valve which opens only when the volume of the mixing chamber decreases and the aforementioned valve is in his third position.
  • the tanks are fitted with pistons allowing to distribute the products in the mixing chamber.
  • the tanks and the mixing chamber are located in a housing whose body is made at least partially in a transparent material, this which allows the user to see the color of the mixture before taking it.
  • the mixing chamber is delimited by a dispensing head slidably mounted relative to a piston, the latter being fixed relative to the tank.
  • This dispensing head can be lifted during filling from the mixing chamber, and be moved in reverse to dispense the contents of the mixing chamber.
  • the tanks each have a piston immobilized by friction, the friction forces being sufficient to prevent the piston from not move in the tank when the volume of the mixing chamber decreases for distribute the resulting mixture.
  • the distributor comprises a member for pressurization to activate to create an overpressure on the outside of the pistons contained in the tanks in order to cause their advancement.
  • This organ of pressurization may include a bellows and a valve for pumping air.
  • the dispenser may also include a flow restrictor allowing introduce an adjustable pressure drop between the pressurizing member and the face outside of a piston, in order to modify its forward speed in the tank during actuation of the pressurization member.
  • This flow restrictor can have a rotating disc crossed by holes of increasing sections allowing introduce different pressure drops.
  • the pressurization member is advantageously arranged to be able to simultaneously apply an overpressure to the outer face of all pistons in the tanks.
  • the distributor 1 shown schematically in Figure 1 has two cylindrical tanks 2, 3 contained inside a casing 4 of elongated shape, of axis longitudinal X.
  • the housing 4 comprises a cylindrical body 5 of revolution around the axis X, made in the embodiment described in a transparent plastic material, closed in the lower part by a bottom plate 6 and in the upper part by a rotary cover 7.
  • the distributor 1 further comprises between the tanks 2 and 3, a wall cylindrical 8 of axis X, made of a transparent plastic material, delimiting a mixing chamber 42, the usefulness of which will be specified below.
  • a piston 9 is mounted with a possibility of sealed sliding inside of the cylindrical wall 8.
  • the latter is closed at its upper end by a wall perpendicular to the X axis, crossed in its center by an opening 30 of the X axis which opens tightly on the underside 20 of the cover 7.
  • the piston 9 is crossed in its center, as can be seen in Figure 2 more particularly, by an opening 10 of axis X allowing the passage of a rod of control 11, the upper end of which is integral with an agitator comprising a perforated disc 12, the role of which will be explained later.
  • Non sealing means shown are provided to ensure the sealed crossing of the piston 9 by the rod command 11.
  • the length of the control rod 11 is greater than that of the body 5 of the housing 4 and the lower part of the control rod 11 crosses the bottom plate 6 thanks to an opening 13.
  • the control rod 11 is provided at its lower end with a head 15 facilitating its gripping by the user.
  • Pistons 17 and 18 are respectively mounted with sealed sliding in tanks 2 and 3.
  • the tanks 2 and 3 are fixed to their lower end on the bottom plate 6 and have at their upper end walls perpendicular to the X axis, crossed by respective openings 21 and 22 which open tightly on the underside 20 of the cover 7.
  • Vents 23 and 24 are made through the bottom plate 6 to balance the pressure inside the tanks 2 and 3 on the side of the underside of the pistons 17 and 18.
  • the cylindrical wall 8 is secured to support means, not shown in a concern for clarity of the drawing, which keep it stationary in the housing 4.
  • the cover 7 has on its outer face a dispensing nozzle 26 of axis X provided with an elastomer valve 27, the latter being closed at rest and opening when the pressure of the product contained in the mixing chamber 42 is greater than a predetermined value.
  • the distribution nozzle 26 communicates via a channel 29 leading to the aforementioned opening 30 with the mixing chamber 42.
  • the perforated disc 12 of the agitator has numerous holes 33 such as we can see it on figure 2, intended to brew the contents of the mixing chamber when the control rod 11 is moved axially.
  • the perforated disc 12 also includes two symmetrical lights 34 one relative to each other relative to the X axis, intended to cooperate with lugs 35 projecting from the upper face of the piston 9, these lugs 35 having the general shape a nail head with a cylindrical body 36 and a head 37 of larger diameter than the body 36.
  • the control rod 11 is of circular section and the user can train the perforated disc 12 rotating around the X axis.
  • the lights 34 each have a larger circular opening 38 diameter as the head 37 of the lugs 35, this opening 38 connecting to an opening oblong 39 whose opposite edges are arcs of circles centered on the X axis and are separated by a distance greater than the diameter of the body 36 of the pins 35 but less the outside diameter of the head 37.
  • FIG. 3 shows the heads 37 of the pins engaged through the circular openings 38.
  • the height of the body 36 of the lugs 35 is slightly greater than the thickness of the perforated disc 12, so that after having engaged the lugs 35 in the openings circular 38, the user can by turning the control rod 11 engage the oblong openings 39 on the bodies 36 of the pins and thus axially securing the piston 9 and the agitator, as illustrated in figure 4.
  • the user begins by filling the chamber with mixture 42 for example with the product B contained in the tank 3, the cover 7 being positioned relative to the body 5 of the housing 4 so that the channel 31 connects the reservoir 3 and the interior of the cylindrical wall 8 above of the piston 9, as illustrated in FIG. 5.
  • the user After removing a desired amount of product B, the user turns 180 ° the cover 7 around the X axis as illustrated in Figure 6 to put in communication the tank 2 and the mixing chamber 42 via the channel 31.
  • the user can then aspirate into the mixing chamber 42 the quantity desired product A.
  • the user can homogenize its content by making small back and forth movements with the control rod 11, as illustrated in FIG. 7.
  • the user can view the color of the mixture obtained at any time.
  • the user realizes that the shade is not the one desired, he can for example add a small amount of product B or product A as appropriate by positioning adequately the cover 7 then by pulling on the control rod 11 to suck the additional quantity of product into the mixing chamber 42.
  • the user positions the cover 7 in an intermediate position in which the tanks 2 and 3 are isolated from the channel 29, the openings 21 and 22 then being closed by the face bottom 20 of cover 7.
  • the user couples the perforated disc 12 and the piston 9 by proceeding as illustrated in figures 3 and 4.
  • the valve 27 then opens under the pressure of the product contained in the chamber of mixture 42, as illustrated in FIG. 8.
  • FIG. 9 shows a distributor 50 conforming to a second example of implementation of the invention.
  • This distributor 50 comprises two cylindrical tanks 51 and 52 containing respectively products A and B having different shades. Respective pistons 53 and 54 can slide in leaktight manner in the tanks 51 and 52.
  • the distributor 50 includes a housing 55 inside which are fixed the tanks 51 and 52, this housing 55 comprising a cylindrical body 56 of revolution around the X axis.
  • the tanks 51 and 52 open at the top, by conduits 58 and 59 respectively, in a mixing chamber 60.
  • This mixing chamber 60 is delimited below by a piston 61 on which slides in sealed manner the tubular skirt 63 of a dispensing head 62.
  • the tubular skirt 63 is symmetrical about revolution about the X axis and it is closed at its upper end by a front wall 65, extending perpendicular to the axis X.
  • the piston 61 is fixed relative to the body 56 of the housing 55, thanks to support means not shown for the sake of clarity of the drawing.
  • the conduits 58 and 59 pass through the piston 61 in a sealed manner and open out on the upper face of the piston 61 in the mixing chamber 60.
  • the tubular skirt 63 has on its inner surface an annular rib 64 serving to limit the displacement stroke of the dispensing head 62 upwards, by abutment against the lower edge of the piston 61.
  • the upper wall 65 of the dispensing head 62 is surmounted by a distribution nozzle 66 closed at rest by a valve 67, the interior of this nozzle 66 communicating with the mixing chamber 60 by a channel 69 of axis X.
  • An agitator comprising a perforated disc 70 which has a plurality of perforations 79 is movable relative to the dispensing head 62, this perforated disc 70 able to move axially between the front wall 65 and the piston 61.
  • the agitator further comprises a control rod 71 passing through so sealing the piston 61, provided at its lower end with a head 72 intended to facilitate gripped by the user and secured at its upper end to the perforated disc 70.
  • the tanks 51 and 52 are joined but spare between them an axial passage 74 for the control rod 71.
  • Various means of training can be used to advance the pistons 53 and 54 in the corresponding tanks 51 and 52 in order to distribute the products A and B in the mixing chamber 60.
  • a pressurization member comprising a bellows 80 and a valve not shown.
  • the interior of the bellows 80 communicates via conduits respectively 81 and 82 with the spaces 85 and 86 defined inside the tanks 51 and 52 under pistons 53 and 54.
  • An adjustment member 87 in the form of a rotating wheel around a Y axis parallel to the X axis is intended to create a pressure drop and make advance the piston 53 more or less relative to the piston 54 in order to distribute the product A in a greater or lesser proportion compared to product B when filling the mixing chamber 60.
  • the wheel 87 is provided as can be seen in Figure 14 with a plurality of flow restricting orifices 88a, 88b, 88c and 88d, of sections increasing, making it possible to introduce a greater or lesser pressure drop between the tank 51 and the bellows 80, or even isolate the latter from the tank 51.
  • the control rod 71 passes tightly through the bellows 80.
  • the user actuates the bellows 80 by pressing several times on its underside 90, in order to pump air and create a suppression inside the tanks 51 and 52 under the pistons 53 and 54.
  • the rise of the piston 53 is more or less important depending on the positioning of the wheel 87.
  • the filling of the mixing chamber 60 is accompanied by a lifting of the dispensing head 62 from its initial low position shown in the figure 10.
  • the user can actuate the control rod 71 to move the perforated disc 70 inside the mixing chamber 60 and homogenize its content.
  • the valve 67 is arranged in such a way that it does not open during the ascent. distribution head 62 under the effect of the arrival of products A and B in the chamber mixing 60.
  • the user realizes that the mixture obtained does not have the desired color, it can change the setting of dial 87 and dispense a new quantity more or less important of product A or B in order to correct the shade.
  • a second wheel (not shown) can be provided to introduce a more or less large pressure drop in the path of the air reaching the reservoir 52, or even isolate the reservoir 52 from the bellows 80.
  • the user presses on the dispensing head 62 to move it down as shown in Figure 13.
  • the valve 67 opens under the pressure of the product, the pistons 53 and 54 being mounted with sufficient friction inside the tanks 51 and 52 not to move when the dispensing head 62 is pressed.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Package Specialized In Special Use (AREA)
  • Cosmetics (AREA)
  • Closures For Containers (AREA)
  • Basic Packing Technique (AREA)

Abstract

Portable distributor with at least two reservoirs (2, 3) contains different colored products (A, B) operated to allow the products to be distributed in proportions chosen by the user and a mixing chamber (42) in which the products can mix. There is a agitator (11) in the mixing chamber which is operated to allow the user to see the color of the mixture before taking it out The mixing chamber has at least one transparent wall (8). The agitator has a control shaft and is movable axially along the axis of the shaft as well as in rotation about the shaft. The distributor contains a piston (9) to distribute the product contained i the mixing chamber. The piston is movable relative to the reservoirs. The piston has first and second resting positions which al it to engage with the agitator after mixing to use the displacement of the agitator to move the piston. The agitator has a pierc disk (12) and the mixing chamber is connected to a distribution nozzle with a valve which opens when the volume in the mixing chamber reduces. The distributor contains a valve which is at least two-way, connecting to the two reservoirs in its two positio A third position isolates the mixing chambers from the reservoirs. The outlet nozzle valve only opens when the valve is in its t position and the volume in the mixing chamber reduces. Each reservoir contains a piston to send the product to the mixing chambe and the mixing chamber and reservoirs are contained in a box which is at least partially transparent. A cover can be removed to allow the reservoirs to be filled. The pistons in the reservoirs are moved by increasing pressure on one side, using a blower wh can exert pressure on all the pistons at the same time.

Description

La présente invention concerne le domaine des dispositifs de conditionnement et de distribution de produits cosmétiques colorés, notamment des fonds de teint.The present invention relates to the field of packaging and distribution of colored cosmetic products, in particular foundations.

Le modèle d'utilité DE 296 02 244 décrit un dispositif comportant une chambre de mélange reliée à deux récipients contenant des substances à mélanger, dépourvu d'agitateur. Ces substances peuvent être des crèmes solaires ou des shampooings colorés.The utility model DE 296 02 244 describes a device comprising a mixing chamber connected to two containers containing substances to be mixed, without agitator. These substances can be sunscreens or colored shampoos.

La demande de brevet DE 196 47 617 décrit un appareil pour doser et distribuer un mélange pour le traitement des cheveux.Patent application DE 196 47 617 describes an apparatus for dosing and distribute a mixture for hair treatment.

Il existe un besoin pour disposer d'un distributeur portatif qui permette à l'utilisateur de réaliser lui-même une teinte désirée par mélange de produits ayant des couleurs différentes, contenus dans des réservoirs respectifs à l'intérieur du distributeur.There is a need to have a portable dispenser which allows the user to achieve a desired shade himself by mixing products with different colors, contained in respective tanks inside the dispenser.

Le distributeur selon l'invention est défini dans la revendication 1.The dispenser according to the invention is defined in claim 1.

Grâce à l'invention, l'utilisateur peut distribuer dans la chambre de mélange une certaine quantité des produits contenus dans les réservoirs et homogénéiser le contenu de la chambre de mélange au moyen de l'agitateur.Thanks to the invention, the user can distribute in the mixing chamber a certain quantity of the products contained in the tanks and homogenize the content of the mixing chamber by means of the agitator.

La teinte du mélange obtenu étant visible de l'extérieur, l'utilisateur peut à tout moment ajouter une nouvelle quantité de l'un des produits contenus dans les réservoirs afin de modifier la couleur du mélange si cette dernière ne convient pas.The color of the mixture obtained being visible from the outside, the user can at any moment add a new quantity of one of the products contained in the tanks in order to change the color of the mixture if it is not suitable.

Un distributeur, comportant au moins deux réservoirs agencés pour distribuer les produits contenus dans ceux-ci dans des proportions choisies et une chambre de mélange à l'intérieur de laquelle les produits distribués par les réservoirs se mélangent, est connu par exemple par le brevet US 4,893,729. Ce distributeur est destiné à contenir des produits solaires et ne convient pas pour distribuer des produits ayant des teintes différentes, l'utilisateur ne pouvant d'une part observer la couleur du mélange obtenu qu'à sa sortie du distributeur et d'autre part ce dernier ne comportant pas d'agitateur permettant d'homogénéiser le contenu de la chambre de mélange avant son prélèvement.A dispenser, comprising at least two reservoirs arranged to dispense the products contained therein in selected proportions and a mixing chamber to the interior of which the products distributed by the tanks mix, is known by example by US patent 4,893,729. This dispenser is intended to contain products solar and is not suitable for distributing products with different shades, the user being able on the one hand to observe the color of the mixture obtained only on leaving the distributor and on the other hand the latter not comprising an agitator making it possible to homogenize the contents of the mixing chamber before sampling.

Dans une réalisation particulière, la chambre de mélange est délimitée au moins partiellement par une paroi réalisée dans un matériau transparent. Ainsi, l'utilisateur peut aisément voir la couleur du mélange au travers de cette paroi et procéder à un ajustement si nécessaire.In a particular embodiment, the mixing chamber is defined at least partially by a wall made of a transparent material. So, the user can easily see the color of the mixture through this wall and adjust if necessary.

Dans une réalisation particulière, l'agitateur comporte une tige de commande. Cette tige de commande peut être actionnée par l'utilisateur afin d'homogénéiser le contenu de la chambre de mélange.In a particular embodiment, the agitator comprises a control rod. This control rod can be actuated by the user in order to homogenize the contents of the mixing chamber.

Avantageusement, l'agitateur est mobile axialement selon l'axe de la tige de commande précitée et est également mobile en rotation autour de l'axe de cette tige de commande.Advantageously, the agitator is axially movable along the axis of the rod. aforementioned command and is also movable in rotation about the axis of this rod of ordered.

Dans une réalisation particulière, le distributeur comporte un piston permettant de distribuer le produit contenu dans la chambre de mélange. Ce piston peut être mobile par rapport au réservoir et il peut être muni de premiers moyens d'accrochage, l'agitateur étant muni de seconds moyens d'accrochage agencés pour coopérer avec lesdits premiers moyens d'accrochage afin de permettre d'accoupler l'agitateur et le piston après le mélange des produits contenus dans la chambre de mélange et d'utiliser le déplacement de l'agitateur pour entraíner le piston et distribuer le mélange. L'accouplement de l'agitateur et du piston peut s'effectuer par exemple grâce au fait que l'agitateur est mobile en rotation autour de l'axe de la tige de commande.In a particular embodiment, the distributor comprises a piston allowing to distribute the product contained in the mixing chamber. This piston can be mobile relative to the tank and it can be fitted with first attachment means, the agitator being provided with second hooking means arranged to cooperate with said first attachment means to allow coupling of the agitator and the piston after mixing the products in the mixing chamber and using the displacement of the agitator to drive the piston and distribute the mixture. The coupling of the agitator and the piston can be carried out for example thanks to the fact that the agitator is movable in rotation about the axis of the control rod.

Les premiers moyens d'accrochage précités peuvent se présenter sous la forme d'ergots ayant un corps et une tête élargie et les seconds moyens d'accrochage précités peuvent se présenter sous la forme de lumières comprenant chacune à une extrémité une ouverture ayant une taille suffisante pour permettre le passage de la tête d'un ergot lorsque l'agitateur est déplacé axialement et une ouverture étroite dans laquelle le corps de l'ergot peut s'engager après que l'agitateur ait été entraíné en rotation autour de son axe, cette ouverture étroite étant moins large que la tête de l'ergot afin de permettre d'accoupler l'agitateur et le piston et de pouvoir entraíner en déplacement axial le piston conjointement avec l'agitateur.The aforementioned first attachment means can be in the form lugs having an enlarged body and head and the aforementioned second attachment means may be in the form of lights each comprising at one end a opening of sufficient size to allow passage of the head of a lug when the agitator is moved axially and a narrow opening in which the body the lug can engage after the agitator has been rotated around its axis, this narrow opening being narrower than the head of the lug in order to allow to couple the agitator and the piston and to be able to cause the piston to move axially jointly with the agitator.

Avantageusement, l'agitateur comporte un disque ajouré.Advantageously, the agitator comprises a perforated disc.

Dans une réalisation particulière, la chambre de mélange communique avec un embout de distribution équipé d'un clapet taré pour s'ouvrir lorsque le volume de la chambre de mélange diminue.In a particular embodiment, the mixing chamber communicates with a dispensing nozzle fitted with a calibrated valve to open when the volume of the mixing chamber decreases.

Dans une réalisation particulière, le distributeur comporte une vanne à au moins deux voies, capable de prendre une première position dans laquelle la chambre de mélange communique avec l'un des réservoirs et une seconde position dans laquelle la chambre de mélange communique avec un autre réservoir, ainsi qu'une troisième position dans laquelle la chambre de mélange est isolée des réservoirs.In a particular embodiment, the distributor includes a valve at least two ways, able to take a first position in which the mixture communicates with one of the tanks and a second position in which the mixing chamber communicates with another tank, as well as a third position in which the mixing chamber is isolated from the tanks.

Cette vanne peut se présenter, dans une réalisation particulière, sous la forme d'un couvercle pouvant tourner relativement au corps du boítier précité.This valve can be, in a particular embodiment, in the form a cover which can rotate relative to the body of the aforementioned case.

Avantageusement, la chambre de mélange communique en permanence avec l'embout de distribution, ce dernier étant équipé d'un clapet qui s'ouvre seulement lorsque le volume de la chambre de mélange diminue et que la vanne précitée est dans sa troisième position.Advantageously, the mixing chamber communicates permanently with the dispensing nozzle, the latter being fitted with a valve which opens only when the volume of the mixing chamber decreases and the aforementioned valve is in his third position.

Dans une réalisation particulière, les réservoirs sont équipés de pistons permettant de distribuer les produits dans la chambre de mélange.In a particular embodiment, the tanks are fitted with pistons allowing to distribute the products in the mixing chamber.

Avantageusement, les réservoirs et la chambre de mélange sont situés dans un boítier dont le corps est réalisé au moins partiellement dans un matériau transparent, ce qui permet à l'utilisateur de voir la couleur du mélange avant de le prélever.Advantageously, the tanks and the mixing chamber are located in a housing whose body is made at least partially in a transparent material, this which allows the user to see the color of the mixture before taking it.

Dans une réalisation particulière, la chambre de mélange est délimitée par une tête de distribution montée à coulissement relativement à un piston, ce dernier étant fixe relativement au réservoir. Cette tête de distribution peut se soulever lors du remplissage de la chambre de mélange, et être déplacée en sens inverse pour distribuer le contenu de la chambre de mélange.In a particular embodiment, the mixing chamber is delimited by a dispensing head slidably mounted relative to a piston, the latter being fixed relative to the tank. This dispensing head can be lifted during filling from the mixing chamber, and be moved in reverse to dispense the contents of the mixing chamber.

Dans une réalisation particulière, les réservoirs comportent, chacun, un piston immobilisé par friction, les forces de friction étant suffisantes pour que le piston ne se déplace pas dans le réservoir lorsque le volume de la chambre de mélange diminue pour distribuer le mélange obtenu.In a particular embodiment, the tanks each have a piston immobilized by friction, the friction forces being sufficient to prevent the piston from not move in the tank when the volume of the mixing chamber decreases for distribute the resulting mixture.

Dans une réalisation particulière, le distributeur comporte un organe de pressurisation à actionner pour créer une surpression sur la face extérieure des pistons contenus dans les réservoirs afin de provoquer leur avancement. Cet organe de pressurisation peut comporter un soufflet et un clapet permettant de pomper de l'air. Le distributeur peut également comporter un organe restricteur d'écoulement permettant d'introduire une perte de charge réglable entre l'organe de pressurisation et la face extérieure d'un piston, afin de modifier sa vitesse d'avancement dans le réservoir lors de l'actionnement de l'organe de pressurisation. Cet organe restricteur d'écoulement peut comporter un disque rotatif traversé par des orifices de sections croissantes permettant d'introduire différentes pertes de charge. L'organe de pressurisation est avantageusement agencé pour pouvoir appliquer simultanément une surpression sur la face extérieure de tous les pistons des réservoirs.In a particular embodiment, the distributor comprises a member for pressurization to activate to create an overpressure on the outside of the pistons contained in the tanks in order to cause their advancement. This organ of pressurization may include a bellows and a valve for pumping air. The dispenser may also include a flow restrictor allowing introduce an adjustable pressure drop between the pressurizing member and the face outside of a piston, in order to modify its forward speed in the tank during actuation of the pressurization member. This flow restrictor can have a rotating disc crossed by holes of increasing sections allowing introduce different pressure drops. The pressurization member is advantageously arranged to be able to simultaneously apply an overpressure to the outer face of all pistons in the tanks.

D'autres caractéristiques et avantages de la présente invention ressortiront à la lecture de la description détaillée qui va suivre, d'exemples de réalisation non limitatifs de l'invention, et à l'examen du dessin annexé sur lequel :

  • la figure 1 est une vue schématique en perspective, avec arrachement partiel, d'un distributeur conforme à un premier exemple de mise en oeuvre de l'invention,
  • les figures 2 à 4 illustrent l'accouplement de l'agitateur et du piston,
  • la figure 5 illustre le remplissage de la chambre de mélange avec un premier produit,
  • la figure 6 illustre la poursuite du remplissage de la chambre de mélange avec un second produit,
  • la figure 7 illustre l'homogénéisation du contenu de la chambre de mélange au moyen de l'agitateur,
  • la figure 8 illustre la distribution du mélange obtenu,
  • la figure 9 est une vue schématique en perspective, avec arrachement partiel, d'un distributeur conforme à un deuxième exemple de mise en oeuvre de l'invention,
  • la figure 10 représente le distributeur dans sa position initiale,
  • la figure 11 représente le distributeur après remplissage de la chambre de mélange,
  • la figure 12 représente le distributeur lors de l'homogénéisation du contenu de la chambre de mélange,
  • la figure 13 représente le distributeur lors de la distribution du contenu de la chambre de mélange, et
  • la figure 14 est une vue de face de l'organe restricteur d'écoulement.
Other characteristics and advantages of the present invention will emerge on reading the detailed description which follows, of nonlimiting exemplary embodiments of the invention, and on examining the appended drawing in which:
  • FIG. 1 is a schematic perspective view, partially broken away, of a dispenser according to a first example of implementation of the invention,
  • FIGS. 2 to 4 illustrate the coupling of the agitator and the piston,
  • FIG. 5 illustrates the filling of the mixing chamber with a first product,
  • FIG. 6 illustrates the continued filling of the mixing chamber with a second product,
  • FIG. 7 illustrates the homogenization of the contents of the mixing chamber by means of the agitator,
  • FIG. 8 illustrates the distribution of the mixture obtained,
  • FIG. 9 is a schematic perspective view, partially broken away, of a dispenser according to a second example of implementation of the invention,
  • FIG. 10 represents the dispenser in its initial position,
  • FIG. 11 shows the dispenser after filling the mixing chamber,
  • FIG. 12 shows the dispenser during the homogenization of the contents of the mixing chamber,
  • FIG. 13 shows the dispenser during the dispensing of the contents of the mixing chamber, and
  • Figure 14 is a front view of the flow restrictor.

Le distributeur 1 représenté schématiquement sur la figure 1 comporte deux réservoirs cylindriques 2, 3 contenus à l'intérieur d'un boítier 4 de forme allongée, d'axe longitudinal X.The distributor 1 shown schematically in Figure 1 has two cylindrical tanks 2, 3 contained inside a casing 4 of elongated shape, of axis longitudinal X.

Le boítier 4 comporte un corps 5 cylindrique de révolution autour de l'axe X, réalisé dans l'exemple de réalisation décrit dans une matière plastique transparente, fermé en partie inférieure par un plateau de fond 6 et en partie supérieure par un couvercle rotatif 7.The housing 4 comprises a cylindrical body 5 of revolution around the axis X, made in the embodiment described in a transparent plastic material, closed in the lower part by a bottom plate 6 and in the upper part by a rotary cover 7.

Le distributeur 1 comporte en outre entre les réservoirs 2 et 3, une paroi cylindrique 8 d'axe X, réalisée dans une matière plastique transparente, délimitant une chambre de mélange 42 dont l'utilité sera précisée plus loin.The distributor 1 further comprises between the tanks 2 and 3, a wall cylindrical 8 of axis X, made of a transparent plastic material, delimiting a mixing chamber 42, the usefulness of which will be specified below.

Un piston 9 est monté avec une possibilité de coulissement étanche à l'intérieur de la paroi cylindrique 8. Cette dernière est fermée à son extrémité supérieure par une paroi perpendiculaire à l'axe X, traversée en son centre par une ouverture 30 d'axe X qui débouche de manière étanche sur la face inférieure 20 du couvercle 7.A piston 9 is mounted with a possibility of sealed sliding inside of the cylindrical wall 8. The latter is closed at its upper end by a wall perpendicular to the X axis, crossed in its center by an opening 30 of the X axis which opens tightly on the underside 20 of the cover 7.

Le piston 9 est traversé en son centre, comme on peut le voir sur la figure 2 plus particulièrement, par une ouverture 10 d'axe X permettant le passage d'une tige de commande 11 dont l'extrémité supérieure est solidaire d'un agitateur comportant un disque ajouré 12, dont le rôle sera précisé plus loin. Des moyens d'étanchéité non représentés sont prévus pour assurer la traversée étanche du piston 9 par la tige de commande 11.The piston 9 is crossed in its center, as can be seen in Figure 2 more particularly, by an opening 10 of axis X allowing the passage of a rod of control 11, the upper end of which is integral with an agitator comprising a perforated disc 12, the role of which will be explained later. Non sealing means shown are provided to ensure the sealed crossing of the piston 9 by the rod command 11.

Dans l'exemple décrit, la longueur de la tige de commande 11 est supérieure à celle du corps 5 du boítier 4 et la partie inférieure de la tige de commande 11 traverse le plateau de fond 6 à la faveur d'une ouverture 13.In the example described, the length of the control rod 11 is greater than that of the body 5 of the housing 4 and the lower part of the control rod 11 crosses the bottom plate 6 thanks to an opening 13.

La tige de commande 11 est pourvue à son extrémité inférieure d'une tête 15 facilitant sa préhension par l'utilisateur.The control rod 11 is provided at its lower end with a head 15 facilitating its gripping by the user.

Des pistons 17 et 18 sont respectivement montés à coulissement étanche dans les réservoirs 2 et 3.Pistons 17 and 18 are respectively mounted with sealed sliding in tanks 2 and 3.

Dans l'exemple de réalisation décrit, les réservoirs 2 et 3 sont fixés à leur extrémité inférieure sur le plateau de fond 6 et comportent à leur extrémité supérieure des parois perpendiculaires à l'axe X, traversées par des ouvertures respectives 21 et 22 qui débouchent de manière étanche sur la face inférieure 20 du couvercle 7.In the embodiment described, the tanks 2 and 3 are fixed to their lower end on the bottom plate 6 and have at their upper end walls perpendicular to the X axis, crossed by respective openings 21 and 22 which open tightly on the underside 20 of the cover 7.

Des évents 23 et 24 sont réalisés au travers du plateau de fond 6 pour équilibrer la pression à l'intérieur des réservoirs 2 et 3 du côté de la face inférieure des pistons 17 et 18.Vents 23 and 24 are made through the bottom plate 6 to balance the pressure inside the tanks 2 and 3 on the side of the underside of the pistons 17 and 18.

La paroi cylindrique 8 est solidaire de moyens de support, non représentés dans un soucis de clarté du dessin, qui la maintiennent immobile dans le boítier 4.The cylindrical wall 8 is secured to support means, not shown in a concern for clarity of the drawing, which keep it stationary in the housing 4.

Le couvercle 7 comporte sur sa face extérieure un embout de distribution 26 d'axe X pourvu d'un clapet en élastomère 27, ce dernier étant fermé au repos et s'ouvrant lorsque la pression du produit contenu dans la chambre de mélange 42 est supérieure à une valeur prédéterminée.The cover 7 has on its outer face a dispensing nozzle 26 of axis X provided with an elastomer valve 27, the latter being closed at rest and opening when the pressure of the product contained in the mixing chamber 42 is greater than a predetermined value.

L'embout de distribution 26 communique par un canal 29 débouchant sur l'ouverture 30 précitée avec la chambre de mélange 42.The distribution nozzle 26 communicates via a channel 29 leading to the aforementioned opening 30 with the mixing chamber 42.

Un canal intérieur 31, débouchant à une extrémité dans le canal 29 et à l'autre extrémité sur la face inférieure 20 du couvercle 7, permet de faire communiquer sélectivement les ouvertures 21 ou 22 des réservoirs 2 et 3 avec la chambre de mélange 42, comme cela sera expliqué plus loin.An inner channel 31, opening at one end into the channel 29 and at the other end on the underside 20 of the cover 7, allows communication selectively openings 21 or 22 of tanks 2 and 3 with the mixing chamber 42, as will be explained later.

Le disque ajouré 12 de l'agitateur comporte de nombreux perçages 33 comme on peut le voir sur la figure 2, destinés à brasser le contenu de la chambre de mélange lorsque la tige de commande 11 est déplacée axialement.The perforated disc 12 of the agitator has numerous holes 33 such as we can see it on figure 2, intended to brew the contents of the mixing chamber when the control rod 11 is moved axially.

Le disque ajouré 12 comporte également deux lumières 34 symétriques l'une par rapport à l'autre par rapport à l'axe X, destinées à coopérer avec des ergots 35 formant saillie sur la face supérieure du piston 9, ces ergots 35 ayant la forme générale d'une tête de clou avec un corps cylindrique 36 et une tête 37 de plus grand diamètre que le corps 36.The perforated disc 12 also includes two symmetrical lights 34 one relative to each other relative to the X axis, intended to cooperate with lugs 35 projecting from the upper face of the piston 9, these lugs 35 having the general shape a nail head with a cylindrical body 36 and a head 37 of larger diameter than the body 36.

La tige de commande 11 est de section circulaire et l'utilisateur peut entraíner le disque ajouré 12 en rotation autour de l'axe X.The control rod 11 is of circular section and the user can train the perforated disc 12 rotating around the X axis.

Les lumières 34 comportent chacune une ouverture circulaire 38 de plus grand diamètre que la tête 37 des ergots 35, cette ouverture 38 se raccordant à une ouverture oblongue 39 dont les bords opposés sont des arcs de cercles centrés sur l'axe X et sont écartés d'une distance supérieure au diamètre du corps 36 des ergots 35 mais inférieure au diamètre extérieur de la tête 37.The lights 34 each have a larger circular opening 38 diameter as the head 37 of the lugs 35, this opening 38 connecting to an opening oblong 39 whose opposite edges are arcs of circles centered on the X axis and are separated by a distance greater than the diameter of the body 36 of the pins 35 but less the outside diameter of the head 37.

On a représenté sur la figure 3 les têtes 37 des ergots engagées au travers des ouvertures circulaires 38.FIG. 3 shows the heads 37 of the pins engaged through the circular openings 38.

La hauteur du corps 36 des ergots 35 est légèrement supérieure à l'épaisseur du disque ajouré 12, de telle sorte qu'après avoir engagé les ergots 35 dans les ouvertures circulaires 38, l'utilisateur peut en tournant la tige de commande 11 engager les ouvertures oblongues 39 sur les corps 36 des ergots et solidariser ainsi axialement le piston 9 et l'agitateur, comme illustré sur la figure 4.The height of the body 36 of the lugs 35 is slightly greater than the thickness of the perforated disc 12, so that after having engaged the lugs 35 in the openings circular 38, the user can by turning the control rod 11 engage the oblong openings 39 on the bodies 36 of the pins and thus axially securing the piston 9 and the agitator, as illustrated in figure 4.

Pour utiliser le distributeur 1, l'utilisateur commence par remplir la chambre de mélange 42 par exemple avec le produit B contenu dans le réservoir 3, le couvercle 7 étant positionné par rapport au corps 5 du boítier 4 de manière à ce que le canal 31 mette en communication le réservoir 3 et l'intérieur de la paroi cylindrique 8 au-dessus du piston 9, comme illustré sur la figure 5.To use the dispenser 1, the user begins by filling the chamber with mixture 42 for example with the product B contained in the tank 3, the cover 7 being positioned relative to the body 5 of the housing 4 so that the channel 31 connects the reservoir 3 and the interior of the cylindrical wall 8 above of the piston 9, as illustrated in FIG. 5.

Le produit B est aspiré dans la chambre de mélange 42 en tirant sur la tige de commande 11.Product B is sucked into the mixing chamber 42 by pulling the rod command 11.

Après le prélèvement d'une quantité voulue du produit B, l'utilisateur tourne de 180° le couvercle 7 autour de l'axe X comme illustré sur la figure 6 pour mettre en communication le réservoir 2 et la chambre de mélange 42 par l'intermédiaire du canal 31.After removing a desired amount of product B, the user turns 180 ° the cover 7 around the X axis as illustrated in Figure 6 to put in communication the tank 2 and the mixing chamber 42 via the channel 31.

L'utilisateur peut alors aspirer dans la chambre de mélange 42 la quantité voulue du produit A.The user can then aspirate into the mixing chamber 42 the quantity desired product A.

Une fois le remplissage de la chambre de mélange 42 effectué, l'utilisateur peut homogénéiser son contenu en effectuant de petits mouvements de va-et-vient avec la tige de commande 11, comme illustré sur la figure 7.Once the mixing chamber 42 has been filled, the user can homogenize its content by making small back and forth movements with the control rod 11, as illustrated in FIG. 7.

L'utilisateur peut à tout moment visualiser la couleur du mélange obtenu grâce au fait que le corps 5 du boítier et la paroi cylindrique 8 sont réalisés dans des matériaux transparents.The user can view the color of the mixture obtained at any time. the fact that the body 5 of the housing and the cylindrical wall 8 are made of materials transparent.

Si l'utilisateur s'aperçoit que la teinte n'est pas celle désirée, il peut par exemple rajouter une petite quantité du produit B ou du produit A selon les cas en positionnant de manière adéquate le couvercle 7 puis en tirant sur la tige de commande 11 pour aspirer la quantité supplémentaire de produit dans la chambre de mélange 42.If the user realizes that the shade is not the one desired, he can for example add a small amount of product B or product A as appropriate by positioning adequately the cover 7 then by pulling on the control rod 11 to suck the additional quantity of product into the mixing chamber 42.

Pour distribuer le mélange lorsque la couleur souhaitée est obtenue, l'utilisateur positionne le couvercle 7 dans une position intermédiaire dans laquelle les réservoirs 2 et 3 sont isolés du canal 29, les ouvertures 21 et 22 étant alors obturées par la face inférieure 20 du couvercle 7.To dispense the mixture when the desired color is obtained, the user positions the cover 7 in an intermediate position in which the tanks 2 and 3 are isolated from the channel 29, the openings 21 and 22 then being closed by the face bottom 20 of cover 7.

L'utilisateur accouple le disque ajouré 12 et le piston 9 en procédant comme illustré sur les figures 3 et 4.The user couples the perforated disc 12 and the piston 9 by proceeding as illustrated in figures 3 and 4.

Ainsi, lorsque l'utilisateur enfonce la tige de commande 11, le piston 9 accompagne le déplacement du disque ajouré 12 et le contenu de la chambre de mélange 42 se trouve comprimé.Thus, when the user pushes the control rod 11, the piston 9 accompanies the movement of the perforated disc 12 and the contents of the mixing chamber 42 is compressed.

Le clapet 27 s'ouvre alors sous la pression du produit contenu dans la chambre de mélange 42, comme illustré sur la figure 8. The valve 27 then opens under the pressure of the product contained in the chamber of mixture 42, as illustrated in FIG. 8.

On a représenté sur la figure 9 un distributeur 50 conforme à un deuxième exemple de mise en oeuvre de l'invention.FIG. 9 shows a distributor 50 conforming to a second example of implementation of the invention.

Ce distributeur 50 comprend deux réservoirs cylindriques 51 et 52 contenant respectivement des produits A et B ayant des teintes différentes. Des pistons respectifs 53 et 54 peuvent coulisser de manière étanche dans les réservoirs 51 et 52.This distributor 50 comprises two cylindrical tanks 51 and 52 containing respectively products A and B having different shades. Respective pistons 53 and 54 can slide in leaktight manner in the tanks 51 and 52.

Le distributeur 50 comporte un boítier 55 à l'intérieur duquel sont fixés les réservoirs 51 et 52, ce boítier 55 comportant un corps 56 cylindrique de révolution autour de l'axe X.The distributor 50 includes a housing 55 inside which are fixed the tanks 51 and 52, this housing 55 comprising a cylindrical body 56 of revolution around the X axis.

Les réservoirs 51 et 52 débouchent en partie supérieure, par des conduits respectifs 58 et 59, dans une chambre de mélange 60.The tanks 51 and 52 open at the top, by conduits 58 and 59 respectively, in a mixing chamber 60.

Cette chambre de mélange 60 est délimitée inférieurement par un piston 61 sur lequel coulisse de manière étanche la jupe tubulaire 63 d'une tête de distribution 62. La jupe tubulaire 63 est symétrique de révolution autour de l'axe X et elle est fermée à son extrémité supérieure par une paroi frontale 65, s'étendant perpendiculairement à l'axe X.This mixing chamber 60 is delimited below by a piston 61 on which slides in sealed manner the tubular skirt 63 of a dispensing head 62. The tubular skirt 63 is symmetrical about revolution about the X axis and it is closed at its upper end by a front wall 65, extending perpendicular to the axis X.

Le piston 61 est fixe relativement au corps 56 du boítier 55, grâce à des moyens de supports non représentés dans un soucis de clarté du dessin.The piston 61 is fixed relative to the body 56 of the housing 55, thanks to support means not shown for the sake of clarity of the drawing.

Les conduits 58 et 59 traversent le piston 61 de manière étanche et débouchent sur la face supérieure du piston 61 dans la chambre de mélange 60.The conduits 58 and 59 pass through the piston 61 in a sealed manner and open out on the upper face of the piston 61 in the mixing chamber 60.

La jupe tubulaire 63 comporte sur sa surface intérieure une nervure annulaire 64 servant à limiter la course en déplacement de la tête de distribution 62 vers le haut, par butée contre le bord inférieur du piston 61.The tubular skirt 63 has on its inner surface an annular rib 64 serving to limit the displacement stroke of the dispensing head 62 upwards, by abutment against the lower edge of the piston 61.

La paroi supérieure 65 de la tête de distribution 62 est surmontée par un embout de distribution 66 fermé au repos par un clapet 67, l'intérieur de cet embout 66 communiquant avec la chambre de mélange 60 par un canal 69 d'axe X.The upper wall 65 of the dispensing head 62 is surmounted by a distribution nozzle 66 closed at rest by a valve 67, the interior of this nozzle 66 communicating with the mixing chamber 60 by a channel 69 of axis X.

Un agitateur comprenant un disque ajouré 70 qui comporte une pluralité de perforations 79 est mobile par rapport à la tête de distribution 62, ce disque ajouré 70 pouvant se déplacer axialement entre la paroi frontale 65 et le piston 61.An agitator comprising a perforated disc 70 which has a plurality of perforations 79 is movable relative to the dispensing head 62, this perforated disc 70 able to move axially between the front wall 65 and the piston 61.

L'agitateur comporte en outre une tige de commande 71 traversant de manière étanche le piston 61, munie à son extrémité inférieure d'une tête 72 destinée à faciliter sa préhension par l'utilisateur et assujettie à son extrémité supérieure au disque ajouré 70.The agitator further comprises a control rod 71 passing through so sealing the piston 61, provided at its lower end with a head 72 intended to facilitate gripped by the user and secured at its upper end to the perforated disc 70.

Dans l'exemple décrit, les réservoirs 51 et 52 sont accolés mais ménagent entre eux un passage axial 74 pour la tige de commande 71.In the example described, the tanks 51 and 52 are joined but spare between them an axial passage 74 for the control rod 71.

Divers moyens d'entraínement peuvent être utilisés pour faire avancer les pistons 53 et 54 dans les réservoirs correspondants 51 et 52 afin de distribuer les produits A et B dans la chambre de mélange 60.Various means of training can be used to advance the pistons 53 and 54 in the corresponding tanks 51 and 52 in order to distribute the products A and B in the mixing chamber 60.

Dans l'exemple illustré, on utilise un organe de pressurisation comportant un soufflet 80 et un clapet non représenté.In the example illustrated, a pressurization member is used comprising a bellows 80 and a valve not shown.

L'intérieur du soufflet 80 communique par l'intermédiaire de conduits respectifs 81 et 82 avec les espaces 85 et 86 définis à l'intérieur des réservoirs 51 et 52 sous les pistons 53 et 54.The interior of the bellows 80 communicates via conduits respectively 81 and 82 with the spaces 85 and 86 defined inside the tanks 51 and 52 under pistons 53 and 54.

Un organe de réglage 87 se présentant sous la forme d'une molette tournant autour d'un axe Y parallèle à l'axe X est prévu pour créer une perte de charge et faire avancer plus ou moins le piston 53 relativement au piston 54 afin de distribuer le produit A dans une proportion plus ou moins importante par rapport au produit B lors du remplissage de la chambre de mélange 60.An adjustment member 87 in the form of a rotating wheel around a Y axis parallel to the X axis is intended to create a pressure drop and make advance the piston 53 more or less relative to the piston 54 in order to distribute the product A in a greater or lesser proportion compared to product B when filling the mixing chamber 60.

La molette 87 est pourvue comme on peut le voir sur la figure 14 d'une pluralité d'orifices restricteurs d'écoulement 88a, 88b, 88c et 88d, de sections croissantes, permettant d'introduire une perte de charge plus ou moins grande entre le réservoir 51 et le soufflet 80, voire isoler ce dernier du réservoir 51.The wheel 87 is provided as can be seen in Figure 14 with a plurality of flow restricting orifices 88a, 88b, 88c and 88d, of sections increasing, making it possible to introduce a greater or lesser pressure drop between the tank 51 and the bellows 80, or even isolate the latter from the tank 51.

La tige de commande 71 traverse de manière étanche le soufflet 80.The control rod 71 passes tightly through the bellows 80.

Pour distribuer les produits A et B dans la chambre de mélange 60, l'utilisateur actionne le soufflet 80 en appuyant à plusieurs reprises sur sa face inférieure 90, afin de pomper de l'air et de créer une suppression à l'intérieur des réservoirs 51 et 52 sous les pistons 53 et 54.To dispense products A and B in mixing chamber 60, the user actuates the bellows 80 by pressing several times on its underside 90, in order to pump air and create a suppression inside the tanks 51 and 52 under the pistons 53 and 54.

Sous l'effet de la surpression créée par l'actionnement du soufflet 80, les pistons 53 et 54 remontent à l'intérieur des réservoirs 51 et 52.Under the effect of the overpressure created by the actuation of the bellows 80, the pistons 53 and 54 go back up inside the tanks 51 and 52.

La remontée du piston 53 est plus ou moins importante en fonction du positionnement de la molette 87.The rise of the piston 53 is more or less important depending on the positioning of the wheel 87.

Le remplissage de la chambre de mélange 60 s'accompagne d'un soulèvement de la tête de distribution 62 à partir de sa position basse initiale représentée sur la figure 10.The filling of the mixing chamber 60 is accompanied by a lifting of the dispensing head 62 from its initial low position shown in the figure 10.

Une fois la quantité souhaitée des produits A et B distribués dans la chambre de mélange 60, l'utilisateur peut actionner la tige de commande 71 pour déplacer le disque ajouré 70 à l'intérieur de la chambre de mélange 60 et homogénéiser son contenu.Once the desired quantity of products A and B distributed in the room 60, the user can actuate the control rod 71 to move the perforated disc 70 inside the mixing chamber 60 and homogenize its content.

Le clapet 67 est agencé de telle manière qu'il ne s'ouvre pas lors de la remontée de la tête de distribution 62 sous l'effet de l'arrivée des produits A et B dans la chambre de mélange 60.The valve 67 is arranged in such a way that it does not open during the ascent. distribution head 62 under the effect of the arrival of products A and B in the chamber mixing 60.

Si l'utilisateur s'aperçoit que le mélange obtenu n'a pas la couleur souhaitée, il peut modifier le réglage de la molette 87 et distribuer une nouvelle quantité plus ou moins importante du produit A ou B afin de corriger la teinte.If the user realizes that the mixture obtained does not have the desired color, it can change the setting of dial 87 and dispense a new quantity more or less important of product A or B in order to correct the shade.

Une deuxième molette non représentée peut être prévue pour introduire une perte de charge plus ou moins grande dans le trajet de l'air gagnant le réservoir 52, voire isoler le réservoir 52 du soufflet 80.A second wheel (not shown) can be provided to introduce a more or less large pressure drop in the path of the air reaching the reservoir 52, or even isolate the reservoir 52 from the bellows 80.

Pour distribuer le mélange, l'utilisateur appuie sur la tête de distribution 62 pour la déplacer vers le bas comme illustré sur la figure 13. Au cours de cette opération, le clapet 67 s'ouvre sous la pression du produit, les pistons 53 et 54 étant montés avec un frottement suffisant à l'intérieur des réservoirs 51 et 52 pour ne pas se déplacer lorsque la tête de distribution 62 est enfoncée.To dispense the mixture, the user presses on the dispensing head 62 to move it down as shown in Figure 13. During this operation, the valve 67 opens under the pressure of the product, the pistons 53 and 54 being mounted with sufficient friction inside the tanks 51 and 52 not to move when the dispensing head 62 is pressed.

Claims (19)

  1. A portable dispenser for dispensing colored cosmetics, in particular foundation makeup, having at least two containers (2, 3; 51, 52) organized to enable the substances (A ; B) they contain to be dispensed in proportions selected by the user, and a mixing chamber into which the substances contained in the containers are dispensed and in which they can be mixed together, the mixing chamber being organized to enable the user to observe the color . of the resulting mixture, the substances (A ; B) contained in the containers having different colors, the dispenser being characterized by the fact
    a) that it includes at least one stirrer (11, 12; 70, 71) that is movable in said mixing chamber (42 ; 60), and a piston (9 ; 61) enabling the substance contained in the mixing chamber (42 ; 60) to be dispensed,
    b) and by the fact that the piston is
    either movable relative to the containers (2, 3) in which case it is provided with first fastener means (35) and the stirrer is provided with second fastener means (34) organized to be capable of co-operating with said first fastener means so as to enable the stirrer (12) and the piston (9) to be coupled together after the substances contained in the mixing chamber have been mixed together (42) and to enable displacement of the stirrer to be used for driving the piston (9) and distribute the mixture,
    or fixed relative to the containers (51, 52) in which case the mixing chamber is defined by a dispenser head (62) mounted so as to slide relative to the piston (61).
  2. A dispenser according to the preceding claim, characterized by the fact that the mixing chamber (42; 60) is defined at least in part by a wall (8; 63) made of a transparent material.
  3. A dispenser according to any preceding claim, characterized by the fact that the stirrer has a control rod (11; 71).
  4. A dispenser according to the preceding claim, characterized by the fact that the stirrer (11, 12; 70, 71) is movable axially along the axis (X) of the control rod (11; 71) and is movable in rotation about the axis (X) of the control rod (11; 71).
  5. A dispenser according to any preceding claim, characterized by the fact that the first fastener means are in the form of studs (35) each comprising a body (36) and a larger head (37), by the fact that the second fastener means are in the form of respective slots (34) each having an opening (35) at one end of a size that is sufficient to enable the head (37) of a stud (35) to pass therethrough when the stirrer is moved axially, and a narrow opening (39) in which the body (36) of a stud (35) can be engaged when the stirrer is rotated about the axis X, said narrow opening (39) being narrower than the head (37) of the associated stud so as to enable the stirrer and the piston to be coupled together and so as to enable the stirrer and the piston to be driven together in axial displacement.
  6. A dispenser according to any preceding claim,
    characterized by the fact that the stirrer comprises a perforated disk (12; 70).
  7. A dispenser according to any preceding claim, characterized by the fact that the mixing chamber communicates with a dispenser endpiece (26; 66) fitted with a valve (27; 67) rated to open when the volume of the mixing chamber decreases.
  8. A dispenser according to any preceding claim, characterized by the fact that it includes a selector (7) having at least two ports, capable of taking up a first position (Figure 5) in which the mixing chamber (42) communicates with one of the containers (3), and a second position (Figure 6) in which the mixing chamber (42) communicates with another container (4), and also a third position (Figure 8) in which the mixing chamber (42) is isolated from the containers.
  9. A dispenser according to the preceding claim, characterized by the fact that the mixing chamber (42) is permanently in communication with the dispenser endpiece (26), said endpiece being fitted with a valve (27) which opens only when the volume of the mixing chamber decreases and the selector (7) is in its third position.
  10. A dispenser according to any preceding claim, characterized by the fact that each container (2, 3; 51, 52) is fitted with a respective piston (17; 18; 53, 54) enabling the substance to be dispensed into the mixing chamber (42; 60).
  11. A dispenser according to any preceding claim, characterized by the fact that the containers and the mixing chamber are situated in a housing (4; 55) whose body (5; 56) is made at least in part out of a transparent material.
  12. A dispenser according to the preceding claim, characterized by the fact that it has a cover (7) capable of turning relative to the body of the housing (56).
  13. A dispenser according to the preceding claim, characterized by the fact that the dispenser head (62) rises while the mixing chamber (60) is being filled.
  14. A dispenser according to any preceding claim, characterized by the fact that each of the containers contains a piston (17; 18; 53; 54) that is prevented from moving by friction, the friction forces being sufficient to ensure that a piston does not move in its container when the volume of the mixing chamber is decreased for the purpose of dispensing the resulting mixture.
  15. A dispenser according to the preceding claim, characterized by the fact that it includes a pressurization member (80) to be actuated for the purpose of establishing excess pressure on the outside faces of the pistons (53, 54) contained in the containers so as to force them to advance.
  16. A dispenser according to the preceding claim, characterized by the fact that said pressurization member comprises a bellows (80).
  17. A dispenser according to claim 15 or 16, characterized by the fact that it includes a flow restrictor member (87) enabling adjustable head loss to be inserted between the pressurization member (80) and the outside face of one of the pistons (53) so as to modify its rate of advance inside the container when the pressurization member (80) is actuated.
  18. A dispenser according to the preceding claim, characterized by the fact that said flow restrictor member comprises a disk (87) having orifices (88a, 88b, 88c, 88d) of increasing section passing therethrough enabling different head losses to be introduced.
  19. A dispenser according to any one of claims 15 to 18, characterized by the fact that the pressurization member (80) makes it possible to apply excess pressure simultaneously to the outside faces of all the pistons (53, 54) of the containers.
EP00400897A 1999-04-02 2000-03-31 Portable dispenser for packaging and dispensing coloured cosmetic products Expired - Lifetime EP1040773B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9904152A FR2791648B1 (en) 1999-04-02 1999-04-02 PORTABLE DISPENSER FOR THE PACKAGING AND DISPENSING OF COLORED COSMETICS
FR9904152 1999-04-02

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EP1040773A1 EP1040773A1 (en) 2000-10-04
EP1040773B1 true EP1040773B1 (en) 2003-10-01

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EP00400897A Expired - Lifetime EP1040773B1 (en) 1999-04-02 2000-03-31 Portable dispenser for packaging and dispensing coloured cosmetic products

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US (1) US6402364B1 (en)
EP (1) EP1040773B1 (en)
JP (1) JP3492974B2 (en)
AT (1) ATE250874T1 (en)
CA (1) CA2302855C (en)
DE (1) DE60005584T2 (en)
ES (1) ES2206154T3 (en)
FR (1) FR2791648B1 (en)

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Also Published As

Publication number Publication date
DE60005584D1 (en) 2003-11-06
CA2302855C (en) 2004-06-01
ES2206154T3 (en) 2004-05-16
FR2791648A1 (en) 2000-10-06
FR2791648B1 (en) 2001-05-25
EP1040773A1 (en) 2000-10-04
DE60005584T2 (en) 2004-08-05
ATE250874T1 (en) 2003-10-15
CA2302855A1 (en) 2000-10-02
JP2000313487A (en) 2000-11-14
JP3492974B2 (en) 2004-02-03
US6402364B1 (en) 2002-06-11

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