EP3490406A1 - Device for collecting and applying a fluid product - Google Patents

Device for collecting and applying a fluid product

Info

Publication number
EP3490406A1
EP3490406A1 EP17764862.3A EP17764862A EP3490406A1 EP 3490406 A1 EP3490406 A1 EP 3490406A1 EP 17764862 A EP17764862 A EP 17764862A EP 3490406 A1 EP3490406 A1 EP 3490406A1
Authority
EP
European Patent Office
Prior art keywords
bucket
tube
dispenser according
dip tube
fluid
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.)
Granted
Application number
EP17764862.3A
Other languages
German (de)
French (fr)
Other versions
EP3490406B1 (en
Inventor
Xavier Brahim
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.)
Aptar France SAS
Original Assignee
Aptar France SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aptar France SAS filed Critical Aptar France SAS
Publication of EP3490406A1 publication Critical patent/EP3490406A1/en
Application granted granted Critical
Publication of EP3490406B1 publication Critical patent/EP3490406B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes
    • B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
    • B01L3/0217—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes
    • B01L3/0282—Burettes; Pipettes mounted within a receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/06—Fluid handling related problems
    • B01L2200/0684—Venting, avoiding backpressure, avoid gas bubbles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2400/00—Moving or stopping fluids
    • B01L2400/06—Valves, specific forms thereof
    • B01L2400/0694—Valves, specific forms thereof vents used to stop and induce flow, backpressure valves

Definitions

  • the present invention relates to a device comprising a base piece and a removable member removably mounted on the base piece.
  • the removable member slides axially sealingly in the base piece on a determined axial stroke.
  • the preferred fields of application of the present invention are those of perfumery, cosmetics or even pharmacy.
  • the base piece can be integral with a fluid reservoir, and the movable member can support an applicator.
  • WO2013 / 017803 discloses an applicator dispenser comprising a removable member provided with an applicator which is adapted to be removed axially by sliding out of a base piece which comprises a bucket of which the bottom is pierced with an injection port connected to a dip tube. More specifically, the removable member is unscrewed from the base piece, which causes its sliding axial displacement: at the end of unscrewing, the removable member can be completely removed and separated from the base piece to be able to put the applicator in contact with a suitable surface, such as the skin. During unscrewing, a depression is formed between the base piece and the removable member, so that the fluid stored in a reservoir is sucked through the dip tube and the injection port to fill the applicator.
  • the applicator is formed by a tubing defining internally a sampling and application space.
  • the tubing is surrounded by a piston which slides inside a sliding shaft formed by the upper part of the bucket.
  • the suction which makes it possible to fill the applicator by injection is created by the sliding of the piston inside the upper part of the bucket.
  • Another problem with the dispenser of this document WO2013 / 017803 lies in the fact that the cup is partially filled with fluid once the applicator is removed. This is clearly visible in Figure 6 of this document.
  • the present invention aims to overcome the aforementioned drawbacks of the prior art by defining an applicator dispenser of the type described in WO2013 / 017803, but whose bucket contents are purged in another way, in order to leave the tube diver filled, or at least partly, fluid product.
  • the present invention proposes a device for sampling and application of fluid product comprising:
  • a base part mounted on a reservoir of fluid comprising a dip tube and a bucket in which is formed an injection orifice connected to the dip tube, the bucket being provided with a piston, and
  • the bucket is provided with a drain valve which selectively communicates the interior of the bucket with the fluid reservoir, so as to discharge the fluid contained in the bucket to the tank, when replacing the removable body on the base piece.
  • the fluid contained in the cup is pressurized and can return directly to the tank through the drain valve.
  • the drain valve comprises at least one through hole through the wall thickness of the bucket, said at least one through hole being bordered by a valve seat, the drain valve also comprising a movable valve member arranged to outside the bucket and able to close the passage hole, when a depression is created in the bucket.
  • the drain valve opens to a pressure threshold in the bucket which is lower than that required to discharge the contents of the bucket through the dip tube .
  • a fine dip tube (outside diameter less than 1 mm) can be used to increase the pressure drop.
  • the movable valve member does not need to rest in a sealed manner on its seat in the idle state, so that it is already open even before the overpressure is formed inside the bucket.
  • the mobile valve member is immediately pressed onto its seat and hermetically closes the hole (s) of passage.
  • the bucket comprises a bottom, advantageously flat and perpendicular to the axis of sliding, at which the drain valve is located.
  • the through holes may extend axially and perpendicularly across the flat bottom.
  • the bottom can be crossed by a conduit which connects the dip tube to the injection port.
  • This conduit may be formed by the bucket or by the dip tube.
  • the injection port is formed at the free upper end of the conduit.
  • the drain valve comprises a plurality of passage holes arranged around the duct.
  • the base part comprises a tube holder in which is engaged an end of the plunger tube, the movable valve member being fixedly mounted around this tube holder, which advantageously forms a fastening profile.
  • the movable valve member is then fixedly mounted around the upper part of the plunger tube.
  • the movable valve member comprises a fixing heel in fixed engagement with the tube holder and a flexible corolla which extends on said at least one through hole for closing selectively.
  • the injection orifice is located inside the sampling and application space, when the removable member is in place on the base part.
  • the injection port is located outside the sampling and application space, when the removable member is in place on the base piece.
  • the spirit of the invention lies in the fact of draining the contents of the bucket in the tank, when replacing the removable member, by passing it through a unidirectional valve, preferably disposed at the bottom of the bucket .
  • FIG. 1 is a vertical cross-sectional view through a dispenser according to a first embodiment of the invention
  • FIG. 2 is a greatly enlarged view of detail A of FIG. 1;
  • FIG. 3 is a view similar to FIG. 2 for a second embodiment of the invention;
  • FIG. 4 is a view similar to FIGS. 2 and 3 for a third embodiment of the invention, and Figures 5 and 6 are perspective views showing two versions of through holes in the bottom of the bucket.
  • FIG. 1 To describe in detail the structure and operation of a fluid dispenser applicator which can be used as a base dispenser to incorporate a drain valve according to the present invention.
  • the three embodiments of the invention which will be described below will only detail the differences with respect to this basic applicator dispenser.
  • the dispenser firstly comprises a fluid reservoir 1 which is only partially represented. Indeed, Figure 1 shows only the upper part of the tank 1 which forms a neck 1 1 which is quite conventional, with an external reinforcement for hanging.
  • the fluid reservoir 1 may be of any kind and be made of any material, since the reservoir is not a critical element for the present invention.
  • the dispenser comprises two other component parts, namely a base part 2 which is fixedly mounted on the tank 1 and a removable member 3 which is removably mounted on the base part 2.
  • the base part 2 comprises hooking means, which may be in the form of a skirt 20, slit or not, which engages around the neck 1 1 of the tank 1. This is a quite conventional design for the fixation of a dispensing member in the fields of cosmetics, perfumery or pharmacy.
  • the attachment of the skirt 20 around the neck 1 1 can be used to crush an annular collar 4 on the upper edge of the neck 1 1.
  • the base part 2 also comprises a bucket 21 which extends inside the neck 1 1 of the tank. At its lower end, the bucket 21 forms a bottom 22 which is traversed by a conduit 23 which is formed at the junction between a tube holder 25 and a cannula 26.
  • the tube holder 25 serves as a support for a dip tube 24 which extends inside the tank 1 to near its bottom.
  • the dip tube 24 comprises an upper end forcibly engaged in the tube holder 25.
  • the cannula 26 extends inside the cup 21 and forms at its upper free end an injection port 261.
  • Bucket 21 is provided with a piston 27 which forms a piston lip.
  • the piston 27 is an insert which is placed in the bucket 21 and held for example by snapping. It is also possible to provide the piston 27 by overmolding or bi-injection. The technique of holding the piston 27 in the bucket 21 is not critical for the present invention.
  • the base piece 2 forms a sleeve forming an internal thread 28.
  • the base piece 2 may comprise an outer trim band 29, which may possibly participate in maintaining the skirt 20 around the neck 1 1.
  • the removable member 3 comprises a gripping appendage 31 that the user can grasp between his fingers. Internally, the removable member 3 forms an external thread 32 adapted to cooperate with the internal thread 28 of the base piece 2.
  • the removable member 3 also comprises a tubular 33 of substantially cylindrical shape and internally defining a sampling space and application 35 in which is positioned the cannula 26 and the injection port 261, as can be seen in Figure 1. It can be seen that this space 35 is open at its lower end and closed at its upper end, so as to define a blind space. The opening of the space 35 is located near the bottom 22 of the bucket 21. It can also be seen that the tubing 33 comes into sealed contact with the lip of the piston 27.
  • a user can grasp the gripping appendage 31 to impart to it a rotational movement, which has the effect of unscrewing the removable member 3 from the base part 2.
  • the tubing 33 slides sealingly inside the piston 27, creating a vacuum inside the sampling and application space 35.
  • This depression will generate a fluid suction from the reservoir 1 to through the dip tube 24 and the injection port 261.
  • the fluid product will thus be injected inside the sampling and application space 35.
  • the injection of fluid product will continue until the space 35 is filled and even beyond, both than the tubing 33 is in sealing sliding contact inside the piston 27. It is thus possible to define an axial sliding race between the piston 27 and the tubing 33.
  • FIG. 2 it can be seen that the bottom 22 is pierced with at least two through holes 221 which pass through the wall thickness of the bottom.
  • These passage holes 221 have an axial orientation parallel to that of the sliding of the removable member 3.
  • the outer wall of the bottom 22 around the through holes 221 forms a valve seat 222.
  • a movable valve member 5 is disposed around the tube holder 25 so as to extend against the valve seat 222, thus closing the through holes 221.
  • This movable valve member 5 is here in the form of a flat annular seal which is fixedly held at its inner annular edge; while the remainder of the flat gasket is movable away from the seat 222 by elastic deformation. More specifically, the inner annular edge forms a fixed anchor heel 51 which is held around the tube holder 25 between the bottom
  • This drain valve is formed outside the bucket 21 and inside the tank 1. It opens preferably to a pressure threshold in the bucket which is lower than that required to discharge the contents of the bucket through the dip tube.
  • the bucket can be emptied of its contents through the drain valve leaving the dip tube filled with fluid.
  • the removable member 3 can be replaced on the base piece 2 without emptying the dip tube 24, so that at the next removal of the removable member 3, the fluid is immediately
  • the movable valve member 5 does not even need to rest sealingly on its seat 222 in the idle state, so that it is already open even before the overpressure is formed inside the bucket 21.
  • the movable valve member 5 is immediately pressed onto its seat 222 and hermetically closes the through holes 221.
  • a non-return valve upstream or downstream of the dip tube to prevent any fluid passage from the bucket 21 to the reservoir 1.
  • Such a valve could be housed at the level of the conduit 23 or the cannula 26.
  • FIG. 3 there is shown a second embodiment for a drain valve according to the invention.
  • the bottom 22 of the bucket 21 can be identical to or similar to that of the first embodiment of Figure 2.
  • the difference lies in the anchoring mode of the movable valve member 5 ', which has an anchor heel 51' which is rounded and comes s snap into an anchor groove 252 of the tube holder 25 of corresponding shape.
  • the upper edge of the groove 252 may extend in the extension of the valve seat 222.
  • FIG. 4 we see a third embodiment for a drain valve according to the invention.
  • the bottom 22 of the bucket 21 may be identical or similar to that of the first embodiment of FIG. 2. It may however be noted that there is no cannula 26, so that the injection orifice 261 is located outside the sampling and application space 35. It can be said that the injection orifice 261 is just outside the space 35. It is also possible to arrange the orifice 261 just inside the space 35.
  • This configuration is more suitable for fluid products with low viscosity, such as perfume, while the configuration of Figures 2 and 3, with a canula that extends far into the interior of space 35, is more suitable for more viscous fluid products, such as creams or serums.
  • FIG. 4 is also different from the previous ones by its movable valve member 5 "which comprises an anchoring heel 51" in the form of a sheath which encloses the tube holder 25 on a certain height.
  • the advantage of this design lies in the fact that the tube holder can be conventional, without rib or anchor groove.
  • the movable valve member 5, 5 ', 5 " it comprises a fixed anchor heel 51, 51', 51" integral with the tube holder 25 and a flexible corolla 52 which allows selectively closing the through holes 221 as a function of the pressure inside the bucket 21.
  • the movable valve member 5; 5 '; 5 can be mounted mechanically on the tube holder 25, but it can also be made by bi-injection with chemically incompatible materials, allowing a mechanical strength, but no chemical bond, so as to ensure the detachment of the flexible corolla 52.
  • the dip tube 24 remains partially, and preferably entirely, filled with fluid, so that the filling of the sampling and application space 35 begins at the beginning of the tight sliding of the organ. 3
  • the formation of the through holes 222 is easy because they have an axial orientation which is that of molding / demoulding.
  • the addition of a seal as a movable valve member is an easy operation.
  • the arrangement of the drain valve at the bottom 22 of the bucket 21 is preferred, but not exclusive.

Landscapes

  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Nozzles (AREA)

Abstract

Device comprising: - a base part (2) mounted on a tank (1) and comprising a dip tube (24) and a bucket (21) in which an injection opening (261) connected to the dip tube (24) is formed, and - a removable member (3) mounted in a removable manner on the base part (2) and comprising a tube (33) and an applicator (35) able to hold a dose of the fluid product through suction generated by the sealed sliding of the tube (33) against a piston, the applicator comprising a collection and application space (35) formed in the tube (33), characterized in that the bucket (21) is equipped with a drain valve (221, 222, 5) that places the interior of the bucket (21) in communication with the tank (1) so as to discharge the fluid product contained in the bucket (21) when the removable member (3) is repositioned on the base part (2).

Description

Dispositif de prélèvement et d'application  Sampling and application device
de produit fluide  Fluid product
La présente invention concerne un dispositif comprenant une pièce de base et un organe amovible monté de manière amovible sur la pièce de base. L'organe amovible coulisse axialement de manière étanche dans la pièce de base sur une course axiale déterminée. Les domaines d'application privilégiés de la présente invention sont ceux de la parfumerie, de la cosmétique ou encore de la pharmacie. La pièce de base peut être solidaire d'un réservoir de produit fluide, et l'organe mobile peut supporte un applicateur.  The present invention relates to a device comprising a base piece and a removable member removably mounted on the base piece. The removable member slides axially sealingly in the base piece on a determined axial stroke. The preferred fields of application of the present invention are those of perfumery, cosmetics or even pharmacy. The base piece can be integral with a fluid reservoir, and the movable member can support an applicator.
Dans le domaine de la parfumerie, on connaît le document WO2013/017803 qui décrit un distributeur applicateur comprenant un organe amovible doté d'un applicateur qui est adapté à être retiré axialement par coulissement étanche hors d'une pièce de base qui comprend un godet dont le fond est percé d'un orifice d'injection relié à un tube plongeur. Plus précisément, l'organe amovible est dévissé de la pièce de base, ce qui engendre son déplacement axial coulissant : en fin de dévissage, l'organe amovible peut être complètement retiré et séparé de la pièce de base pour pouvoir mettre l'applicateur en contact d'une surface appropriée, telle que la peau. Lors du dévissage, une dépression se forme entre la pièce de base et l'organe amovible, de sorte que du produit fluide stocké dans un réservoir est aspiré à travers le tube plongeur et l'orifice d'injection pour remplir l'applicateur.  In the field of perfumery, WO2013 / 017803 discloses an applicator dispenser comprising a removable member provided with an applicator which is adapted to be removed axially by sliding out of a base piece which comprises a bucket of which the bottom is pierced with an injection port connected to a dip tube. More specifically, the removable member is unscrewed from the base piece, which causes its sliding axial displacement: at the end of unscrewing, the removable member can be completely removed and separated from the base piece to be able to put the applicator in contact with a suitable surface, such as the skin. During unscrewing, a depression is formed between the base piece and the removable member, so that the fluid stored in a reservoir is sucked through the dip tube and the injection port to fill the applicator.
D'autre part, on peut constater dans ce document WO2013/017803 que l'applicateur est formé par une tubulure définissant intérieurement un espace de prélèvement et d'application. La tubulure est entourée par un piston qui coulisse à l'intérieur d'un fût de coulissement formé par la partie supérieure du godet. Ainsi, l'aspiration qui permet de remplir l'applicateur par injection est créée par le coulissement du piston à l'intérieur de la partie haute du godet. Il n'y a aucun contact coulissant avec la tubulure formant l'applicateur. Un autre problème avec le distributeur de ce document WO2013/017803 réside dans le fait que le godet est partiellement rempli avec du produit fluide une fois que l'applicateur en est retiré. Ceci est clairement visible sur la figure 6 de ce document. Et lorsque l'on remet l'applicateur en place dans le godet, on repousse le contenu du godet et du tube plongeur dans le réservoir à travers le tube plongeur. Il en résulte alors que le tube plongeur est vide de produit fluide, sorte qu'au prochain retrait de l'applicateur, il va d'abord falloir remplir le tube plongeur. On the other hand, it can be seen in this document WO2013 / 017803 that the applicator is formed by a tubing defining internally a sampling and application space. The tubing is surrounded by a piston which slides inside a sliding shaft formed by the upper part of the bucket. Thus, the suction which makes it possible to fill the applicator by injection is created by the sliding of the piston inside the upper part of the bucket. There is no sliding contact with the tubing forming the applicator. Another problem with the dispenser of this document WO2013 / 017803 lies in the fact that the cup is partially filled with fluid once the applicator is removed. This is clearly visible in Figure 6 of this document. And when the applicator is put back in the bucket, the contents of the bucket and the dip tube are pushed back into the reservoir through the dip tube. As a result, the dip tube is empty of fluid, so that at the next withdrawal of the applicator, it will first have to fill the dip tube.
La présente invention a pour but de remédier aux inconvénients précités de l'art antérieur en définissant un distributeur applicateur du type décrit dans le document WO2013/017803, mais dont le contenu du godet est purgé d'une autre façon, afin de laisser le tube plongeur rempli, ou au moins en partie, de produit fluide.  The present invention aims to overcome the aforementioned drawbacks of the prior art by defining an applicator dispenser of the type described in WO2013 / 017803, but whose bucket contents are purged in another way, in order to leave the tube diver filled, or at least partly, fluid product.
Pour ce faire, la présente invention propose un dispositif de prélèvement et d'application de produit fluide comprenant :  To do this, the present invention proposes a device for sampling and application of fluid product comprising:
- une pièce de base montée sur un réservoir de produit fluide, la pièce de base comprenant un tube plongeur et un godet dans lequel est formé un orifice d'injection raccordé au tube plongeur, le godet étant pourvu d'un piston, et  a base part mounted on a reservoir of fluid, the base part comprising a dip tube and a bucket in which is formed an injection orifice connected to the dip tube, the bucket being provided with a piston, and
- un organe amovible monté de manière amovible selon un axe de coulissement sur la pièce de base, l'organe amovible comprenant un appendice de préhension, une tubulure apte à coulisser axialement de manière étanche contre le piston sur une course axiale étanche et un applicateur apte à retenir une dose de produit fluide issue de l'orifice d'injection par aspiration générée par le coulissement étanche de la tubulure contre le piston, l'applicateur comprenant un espace de prélèvement et d'application formé dans la tubulure, le produit fluide étant injecté dans cet espace de prélèvement et d'application à travers le tube plongeur et l'orifice d'injection,  - A removable member removably mounted on a slide axis on the base member, the removable member comprising a gripping appendage, a tubing adapted to slide axially sealingly against the piston on a sealed axial stroke and a suitable applicator to retain a dose of fluid produced from the suction injection orifice generated by the leaktight sliding of the tubing against the piston, the applicator comprising a sampling and application space formed in the tubing, the fluid being injected into this sampling and application space through the dip tube and the injection orifice,
caractérisé en ce que le godet est pourvu d'un clapet de vidange qui fait sélectivement communiquer l'intérieur du godet avec le réservoir de produit fluide, de manière à refouler le produit fluide contenu dans le godet vers le réservoir, lors de la remise en place de l'organe amovible sur la pièce de base. characterized in that the bucket is provided with a drain valve which selectively communicates the interior of the bucket with the fluid reservoir, so as to discharge the fluid contained in the bucket to the tank, when replacing the removable body on the base piece.
Ainsi, dès que le contact entre la tubulure et le piston est à nouveau établi lors de la remise en place de la remise en place de l'organe amovible sur la pièce de base, le produit fluide contenu dans le godet est mis sous pression et peut regagner directement le réservoir à travers le clapet de vidange.  Thus, as soon as the contact between the tubing and the piston is again established when replacing the replacement of the removable member on the base piece, the fluid contained in the cup is pressurized and can return directly to the tank through the drain valve.
Avantageusement, le clapet de vidange comprend au moins un trou de passage traversant l'épaisseur de paroi du godet, ledit au moins un trou de passage étant bordé par un siège de clapet, le clapet de vidange comprenant également un organe de clapet mobile disposé à l'extérieur du godet et apte à obturer le trou de passage, lorsqu'une dépression est créée dans le godet.  Advantageously, the drain valve comprises at least one through hole through the wall thickness of the bucket, said at least one through hole being bordered by a valve seat, the drain valve also comprising a movable valve member arranged to outside the bucket and able to close the passage hole, when a depression is created in the bucket.
Selon une caractéristique intéressante, afin de garantir la vidange du godet sans vider le tube plongeur, le clapet de vidange s'ouvre à un seuil de surpression dans le godet qui est inférieur à celui nécessaire pour refouler le contenu du godet à travers le tube plongeur. On peut par exemple utiliser un tube plongeur fin (diamètre extérieur inférieur à 1 mm) pour augmenter la perte de charge. L'organe de clapet mobile n'a pas besoin de reposer de manière étanche sur son siège à l'état de repos, de sorte qu'il est déjà ouvert même avant que la surpression se forme à l'intérieur du godet. En revanche, dès que la dépression se forme dans le godet, l'organe de clapet mobile est immédiatement plaqué sur son siège et obture hermétiquement le ou les trou(s) de passage.  According to an interesting characteristic, in order to ensure emptying of the bucket without emptying the dip tube, the drain valve opens to a pressure threshold in the bucket which is lower than that required to discharge the contents of the bucket through the dip tube . For example, a fine dip tube (outside diameter less than 1 mm) can be used to increase the pressure drop. The movable valve member does not need to rest in a sealed manner on its seat in the idle state, so that it is already open even before the overpressure is formed inside the bucket. On the other hand, as soon as the depression is formed in the bucket, the mobile valve member is immediately pressed onto its seat and hermetically closes the hole (s) of passage.
Avantageusement, le godet comprend un fond, avantageusement plat et perpendiculaire à l'axe de coulissement, au niveau duquel le clapet de vidange est situé. Les trous de passage peuvent d'étendre axialement et perpendiculairement à travers le fond plat.  Advantageously, the bucket comprises a bottom, advantageously flat and perpendicular to the axis of sliding, at which the drain valve is located. The through holes may extend axially and perpendicularly across the flat bottom.
D'autre part, le fond peut être traversé par un conduit qui relie le tube plongeur à l'orifice d'injection. Ce conduit peut être formé par le godet ou par le tube plongeur. L'orifice d'injection est formé à l'extrémité supérieure libre du conduit. Selon un mode de réalisation pratique, le clapet de vidange comprend plusieurs trous de passage disposés autour du conduit. On the other hand, the bottom can be crossed by a conduit which connects the dip tube to the injection port. This conduit may be formed by the bucket or by the dip tube. The injection port is formed at the free upper end of the conduit. According to a practical embodiment, the drain valve comprises a plurality of passage holes arranged around the duct.
Avantageusement, la pièce de base comprend un porte-tube dans lequel est engagée une extrémité du tube plongeur, l'organe de clapet mobile étant monté fixement autour de ce porte-tube, qui forme avantageusement un profil de fixation. En variante, il n'y pas de porte-tube et le tube plongeur est formé monobloc avec le godet : l'organe de clapet mobile est alors monté fixement autour de la partie supérieure du tube plongeur.  Advantageously, the base part comprises a tube holder in which is engaged an end of the plunger tube, the movable valve member being fixedly mounted around this tube holder, which advantageously forms a fastening profile. Alternatively, there is no tube holder and the plunger tube is integrally formed with the cup: the movable valve member is then fixedly mounted around the upper part of the plunger tube.
Avantageusement, l'organe de clapet mobile comprend un talon de fixation en prise fixe avec le porte-tube et une corolle souple qui s'étend sur ledit au moins un trou de passage pour les obturer de manière sélective.  Advantageously, the movable valve member comprises a fixing heel in fixed engagement with the tube holder and a flexible corolla which extends on said at least one through hole for closing selectively.
Selon un autre aspect avantageux de l'invention, l'orifice d'injection est situé à l'intérieur de l'espace de prélèvement et d'application, lorsque l'organe amovible est en place sur la pièce de base. En variante, l'orifice d'injection est situé à l'extérieur de l'espace de prélèvement et d'application, lorsque l'organe amovible est en place sur la pièce de base.  According to another advantageous aspect of the invention, the injection orifice is located inside the sampling and application space, when the removable member is in place on the base part. Alternatively, the injection port is located outside the sampling and application space, when the removable member is in place on the base piece.
L'esprit de l'invention réside dans le fait de vidanger le contenu du godet dans le réservoir, lors de la remise en place de l'organe amovible, en le faisant passer à travers un clapet unidirectionnel, disposé de préférence au fond du godet.  The spirit of the invention lies in the fact of draining the contents of the bucket in the tank, when replacing the removable member, by passing it through a unidirectional valve, preferably disposed at the bottom of the bucket .
L'invention sera maintenant décrite plus en détail en référence aux dessins joints, donnant à titre d'exemples non limitatifs, trois modes de réalisation de l'invention.  The invention will now be described in more detail with reference to the accompanying drawings, giving by way of non-limiting examples, three embodiments of the invention.
Sur les figures :  In the figures:
La figure 1 est une vue en coupe transversale verticale à travers un distributeur selon un premier mode de réalisation de l'invention,  FIG. 1 is a vertical cross-sectional view through a dispenser according to a first embodiment of the invention,
La figure 2 est une vue fortement agrandie du détail A de la figure 1 , La figure 3 est une vue similaire à la figure 2 pour un second mode de réalisation de l'invention,  FIG. 2 is a greatly enlarged view of detail A of FIG. 1; FIG. 3 is a view similar to FIG. 2 for a second embodiment of the invention;
La figure 4 est une vue similaire aux figures 2 et 3 pour un troisième mode de réalisation de l'invention, et Les figures 5 et 6 sont des vues en perspective montrant deux versions de trous de passage dans le fond du godet. FIG. 4 is a view similar to FIGS. 2 and 3 for a third embodiment of the invention, and Figures 5 and 6 are perspective views showing two versions of through holes in the bottom of the bucket.
On se référera tout d'abord à la figure 1 pour décrire en détail la structure et le fonctionnement d'un distributeur applicateur de produit fluide qui peut être utilisé comme distributeur de base pour y intégrer un clapet de vidange selon la présente invention. Les trois modes de réalisation de l'invention qui seront ci-après exposés ne détailleront que les différences par rapport à ce distributeur applicateur de base.  Reference is first made to FIG. 1 to describe in detail the structure and operation of a fluid dispenser applicator which can be used as a base dispenser to incorporate a drain valve according to the present invention. The three embodiments of the invention which will be described below will only detail the differences with respect to this basic applicator dispenser.
Le distributeur comprend tout d'abord un réservoir de produit fluide 1 qui n'est représenté que très partiellement. En effet, la figure 1 ne représente que la partie supérieure du réservoir 1 qui forme un col 1 1 qui est tout à fait classique, avec un renfort extérieur pour l'accrochage. Le réservoir de produit fluide 1 peut être de toute nature et être réalisé en un matériau quelconque, étant donné que le réservoir n'est pas un élément critique pour la présente invention.  The dispenser firstly comprises a fluid reservoir 1 which is only partially represented. Indeed, Figure 1 shows only the upper part of the tank 1 which forms a neck 1 1 which is quite conventional, with an external reinforcement for hanging. The fluid reservoir 1 may be of any kind and be made of any material, since the reservoir is not a critical element for the present invention.
Outre le réservoir 1 , le distributeur comprend deux autres pièces constitutives, à savoir une pièce de base 2 qui est montée fixement sur le réservoir 1 et un organe amovible 3 qui est monté de manière amovible sur la pièce de base 2.  In addition to the tank 1, the dispenser comprises two other component parts, namely a base part 2 which is fixedly mounted on the tank 1 and a removable member 3 which is removably mounted on the base part 2.
La pièce de base 2 comprend des moyens d'accrochage, qui peuvent se présenter sous la forme d'une jupe 20, fendue ou non, qui vient en prise autour du col 1 1 du réservoir 1 . Il s'agit là d'une conception tout à fait classique pour la fixation d'un organe de distribution dans les domaines de la cosmétique, la parfumerie ou encore la pharmacie. L'accrochage de la jupe 20 autour du col 1 1 peut servir à écraser un joint de col annulaire 4 sur le bord supérieur du col 1 1 . La pièce de base 2 comprend également un godet 21 qui s'étend à l'intérieur du col 1 1 du réservoir. A son extrémité inférieure, le godet 21 forme un fond 22 qui est traversé par un conduit 23 qui est formé au niveau de la jonction entre un porte-tube 25 et d'une canule 26. Le porte- tube 25 sert de support à un tube plongeur 24 qui s'étend à l'intérieur du réservoir 1 jusqu'à proximité de son fond. Le tube plongeur 24 comprend une extrémité supérieure engagée à force dans le porte-tube 25. La canule 26 s'étend à l'intérieur du godet 21 et forme à son extrémité libre supérieure un orifice d'injection 261 . Le godet 21 est pourvu d'un piston 27 qui forme une lèvre de piston. Le piston 27 est une pièce rapportée qui est mise en place dans le godet 21 et maintenue par exemple par encliquetage. On peut également prévoir de réaliser le piston 27 par surmoulage ou bi-injection. La technique du maintien du piston 27 dans le godet 21 n'est pas critique pour la présente invention. Par ailleurs, la pièce de base 2 forme une douille formant un filetage intérieur 28. Optionnellement, la pièce de base 2 peut comprendre une frette d'habillage extérieure 29, qui peut éventuellement participer au maintien de la jupe 20 autour du col 1 1 . The base part 2 comprises hooking means, which may be in the form of a skirt 20, slit or not, which engages around the neck 1 1 of the tank 1. This is a quite conventional design for the fixation of a dispensing member in the fields of cosmetics, perfumery or pharmacy. The attachment of the skirt 20 around the neck 1 1 can be used to crush an annular collar 4 on the upper edge of the neck 1 1. The base part 2 also comprises a bucket 21 which extends inside the neck 1 1 of the tank. At its lower end, the bucket 21 forms a bottom 22 which is traversed by a conduit 23 which is formed at the junction between a tube holder 25 and a cannula 26. The tube holder 25 serves as a support for a dip tube 24 which extends inside the tank 1 to near its bottom. The dip tube 24 comprises an upper end forcibly engaged in the tube holder 25. The cannula 26 extends inside the cup 21 and forms at its upper free end an injection port 261. Bucket 21 is provided with a piston 27 which forms a piston lip. The piston 27 is an insert which is placed in the bucket 21 and held for example by snapping. It is also possible to provide the piston 27 by overmolding or bi-injection. The technique of holding the piston 27 in the bucket 21 is not critical for the present invention. Furthermore, the base piece 2 forms a sleeve forming an internal thread 28. Optionally, the base piece 2 may comprise an outer trim band 29, which may possibly participate in maintaining the skirt 20 around the neck 1 1.
L'organe amovible 3 comprend un appendice de préhension 31 que l'utilisateur peut saisir entre ses doigts. Intérieurement, l'organe amovible 3 forme un filetage externe 32 apte à coopérer avec le filetage interne 28 de la pièce de base 2. L'organe amovible 3 comprend également une tubulure 33 de forme sensiblement cylindrique et définissant intérieurement un espace de prélèvement et d'application 35 dans lequel est positionné la canule 26 et l'orifice d'injection 261 , comme on peut le voir sur la figure 1 . On voit en effet que cet espace 35 est ouvert à son extrémité inférieure et fermé à son extrémité supérieure, de manière à définir un espace borgne. L'ouverture de l'espace 35 est située à proximité du fond 22 du godet 21 . On peut également constater que la tubulure 33 vient en contact étanche avec la lèvre du piston 27.  The removable member 3 comprises a gripping appendage 31 that the user can grasp between his fingers. Internally, the removable member 3 forms an external thread 32 adapted to cooperate with the internal thread 28 of the base piece 2. The removable member 3 also comprises a tubular 33 of substantially cylindrical shape and internally defining a sampling space and application 35 in which is positioned the cannula 26 and the injection port 261, as can be seen in Figure 1. It can be seen that this space 35 is open at its lower end and closed at its upper end, so as to define a blind space. The opening of the space 35 is located near the bottom 22 of the bucket 21. It can also be seen that the tubing 33 comes into sealed contact with the lip of the piston 27.
En partant de la configuration représentée sur la figure 1 , un utilisateur peut saisir l'appendice de préhension 31 pour lui imprimer un mouvement de rotation, ce qui a pour effet de dévisser l'organe amovible 3 de la pièce de base 2. Ce faisant, la tubulure 33 coulisse de manière étanche à l'intérieur du piston 27, créant une dépression à l'intérieur de l'espace de prélèvement et d'application 35. Cette dépression va générer une aspiration de produit fluide en provenance du réservoir 1 à travers le tube plongeur 24 et l'orifice d'injection 261 . Le produit fluide va ainsi être injecté à l'intérieur de l'espace de prélèvement et d'application 35. L'injection de produit fluide va se poursuivre jusqu'à ce que l'espace 35 soit rempli et même au-delà, tant que la tubulure 33 est en contact de coulissement étanche à l'intérieur du piston 27. On peut ainsi définir une course axiale de coulissement étanche entre le piston 27 et la tubulure 33. Avec la conception représentée sur la figure 1 , la course axiale de coulissement est conséquente, de sorte qu'une grande quantité de produit fluide va être aspirée et injectée dans l'espace de prélèvement 35. Cette quantité est telle qu'elle va même remplir une partie du godet 21 , une fois que l'organe amovible 3 sera complètement retiré de la pièce de base 1 . Ainsi, il reste du produit fluide dans le godet 21 , une fois l'organe amovible 3 retiré. Starting from the configuration shown in FIG. 1, a user can grasp the gripping appendage 31 to impart to it a rotational movement, which has the effect of unscrewing the removable member 3 from the base part 2. By doing so, , the tubing 33 slides sealingly inside the piston 27, creating a vacuum inside the sampling and application space 35. This depression will generate a fluid suction from the reservoir 1 to through the dip tube 24 and the injection port 261. The fluid product will thus be injected inside the sampling and application space 35. The injection of fluid product will continue until the space 35 is filled and even beyond, both than the tubing 33 is in sealing sliding contact inside the piston 27. It is thus possible to define an axial sliding race between the piston 27 and the tubing 33. With the design shown in FIG. 1, the axial sliding stroke is consequent, so that a large amount of fluid product will be sucked and injected into the sampling space 35. This amount is such that it will even fill a portion of the bucket 21, once the removable member 3 will be completely removed from the base part 1. Thus, there remains fluid in the cup 21, once the removable member 3 removed.
On se référera maintenant à la figure 2 pour décrire le premier mode de réalisation de l'invention, qui est aussi mis en œuvre dans la figure 1 . Sur cette figure 2, on peut voir que le fond 22 est percé d'au moins deux trous de passage 221 qui traversent l'épaisseur de paroi du fond. Ces trous de passage 221 présentent une orientation axiale parallèle à celle du coulissement de l'organe amovible 3. On peut par exemple prévoir des trous de passage 221 de forme cylindrique, comme représenté sur la figure 5, ou de forme oblongue incurvée, comme représenté sur la figure 6. Dans les deux variantes, les trous de passage 221 s'étendent autour du porte-tube 25 et du conduit 23. Ces trous 221 créent une communication directe entre l'intérieur du godet 21 et l'intérieur du réservoir 1 , sans passer par le tube plongeur 24. La paroi externe du fond 22 autour des trous de passage 221 forme un siège de clapet 222.  Referring now to Figure 2 to describe the first embodiment of the invention, which is also implemented in Figure 1. In this figure 2, it can be seen that the bottom 22 is pierced with at least two through holes 221 which pass through the wall thickness of the bottom. These passage holes 221 have an axial orientation parallel to that of the sliding of the removable member 3. For example, it is possible to provide passage holes 221 of cylindrical shape, as shown in FIG. 5, or of curved oblong shape, as represented In both variants, the through holes 221 extend around the tube holder 25 and the conduit 23. These holes 221 create a direct communication between the inside of the cup 21 and the inside of the tank 1 , without passing through the dip tube 24. The outer wall of the bottom 22 around the through holes 221 forms a valve seat 222.
Sur la figure 2, on peut également voir qu'un organe de clapet mobile 5 est disposé autour du porte-tube 25 de manière à s'étendre contre le siège de clapet 222, obturant ainsi les trous de passage 221 . Cet organe de clapet mobile 5 se présente ici sous la forme d'un joint annulaire plat qui est maintenu fixement au niveau de son bord annulaire intérieur ; alors que le reste du joint plat est déplaçable en éloignement du siège 222 par déformation élastique. Plus précisément, le bord annulaire intérieur forme un talon d'ancrage fixe 51 qui est maintenu autour du porte-tube 25 entre le fond In Figure 2, it can also be seen that a movable valve member 5 is disposed around the tube holder 25 so as to extend against the valve seat 222, thus closing the through holes 221. This movable valve member 5 is here in the form of a flat annular seal which is fixedly held at its inner annular edge; while the remainder of the flat gasket is movable away from the seat 222 by elastic deformation. More specifically, the inner annular edge forms a fixed anchor heel 51 which is held around the tube holder 25 between the bottom
22 et une nervure d'ancrage 251 formée au niveau de la paroi externe du porte-tube 25. On comprend aisément que l'organe de clapet mobile 5 vase plaquer contre le siège 222, lorsqu'une dépression est créée dans le godet, ce qui est le cas lorsque l'on retire l'organe amovible 3 de la pièce de base 2. Les trous de passage 221 sont alors obturés de manière étanche par l'organe de clapet mobile 5. En revanche, dès qu'une surpression est créée dans le godet 21 , ce qui est le cas lorsque l'on remet en place l'organe amovible 3 sur la pièce de base 2, l'organe de clapet mobile 5 est poussé en éloignement du siège 222, établissant ainsi un passage direct entre le godet 21 et le réservoir 1 . Par conséquent, le contenu du godet 21 est vidangé dans le réservoir à travers un clapet de vidange, formé par le siège de clapet 222 et l'organe de clapet mobile 5, qui est contraint à l'état ouvert par le produit fluide sous pression contenu dans le godet 21 . 22 and an anchoring rib 251 formed at the outer wall of the tube holder 25. It is easily understood that the movable valve member 5 vase press against the seat 222, when a vacuum is created in the bucket, which is the case when the removable member 3 is removed from the base part 2. The through holes 221 are then sealed by On the other hand, as soon as an overpressure is created in the bucket 21, which is the case when the removable member 3 is put back on the base part 2, the body movable valve 5 is pushed away from the seat 222, thus establishing a direct passage between the bucket 21 and the tank 1. Therefore, the contents of the cup 21 are drained into the tank through a drain valve, formed by the valve seat 222 and the movable valve member 5, which is forced into the open state by the pressurized fluid. contained in the bucket 21.
Ce clapet de vidange est formé à l'extérieur du godet 21 et à l'intérieur du réservoir 1 . Il s'ouvre de préférence à un seuil de surpression dans le godet qui est inférieur à celui nécessaire pour refouler le contenu du godet à travers le tube plongeur. Ainsi, le godet peut être vidé de son contenu à travers le clapet de vidange en laissant le tube plongeur rempli de produit fluide. En d'autres termes, l'organe amovible 3 peut être remis en place sur la pièce de base 2 sans vider le tube plongeur 24, de sorte qu'au prochain retrait de l'organe amovible 3, du produit fluide est tout de suite injecté dans l'espace 35. En principe, l'organe de clapet mobile 5 n'a même pas besoin de reposer de manière étanche sur son siège 222 à l'état de repos, de sorte qu'il est déjà ouvert même avant que la surpression se forme à l'intérieur du godet 21 . En revanche, dès que la dépression se forme dans le godet 21 , l'organe de clapet mobile 5 est immédiatement plaqué sur son siège 222 et obture hermétiquement les trous de passage 221 . Afin d'augmenter la perte de charge à travers le tube plongeur 24, il est possible de diminuer son diamètre interne. Il est également possible de prévoir un clapet anti-retour en amont ou en aval du tube plongeur pour empêcher tout passage de produit fluide du godet 21 vers le réservoir 1 . On pourrait loger un tel clapet au niveau du conduit 23 ou de la canule 26.  This drain valve is formed outside the bucket 21 and inside the tank 1. It opens preferably to a pressure threshold in the bucket which is lower than that required to discharge the contents of the bucket through the dip tube. Thus, the bucket can be emptied of its contents through the drain valve leaving the dip tube filled with fluid. In other words, the removable member 3 can be replaced on the base piece 2 without emptying the dip tube 24, so that at the next removal of the removable member 3, the fluid is immediately In principle, the movable valve member 5 does not even need to rest sealingly on its seat 222 in the idle state, so that it is already open even before the overpressure is formed inside the bucket 21. On the other hand, as soon as the depression is formed in the cup 21, the movable valve member 5 is immediately pressed onto its seat 222 and hermetically closes the through holes 221. In order to increase the pressure drop across the dip tube 24, it is possible to reduce its internal diameter. It is also possible to provide a non-return valve upstream or downstream of the dip tube to prevent any fluid passage from the bucket 21 to the reservoir 1. Such a valve could be housed at the level of the conduit 23 or the cannula 26.
En se référant à la figure 3, on voit un deuxième mode de réalisation pour un clapet de vidange selon l'invention. Le fond 22 du godet 21 peut être identique ou similaire à celui du premier mode de réalisation de la figure 2. La différence réside dans le mode d'ancrage de l'organe de clapet mobile 5', qui présente un talon d'ancrage 51 ' qui est arrondi et qui vient s'encliqueter dans une gorge d'ancrage 252 du porte-tube 25 de forme correspondante. Le bord supérieur de la gorge 252 peut s'étendre dans le prolongement su siège de clapet 222. Referring to Figure 3, there is shown a second embodiment for a drain valve according to the invention. The bottom 22 of the bucket 21 can be identical to or similar to that of the first embodiment of Figure 2. The difference lies in the anchoring mode of the movable valve member 5 ', which has an anchor heel 51' which is rounded and comes s snap into an anchor groove 252 of the tube holder 25 of corresponding shape. The upper edge of the groove 252 may extend in the extension of the valve seat 222.
Sur la figure 4, on voit un troisième mode de réalisation pour un clapet de vidange selon l'invention. Le fond 22 du godet 21 peut être identique ou similaire à celui du premier mode de réalisation de la figure 2. On peut toutefois remarquer qu'il n'y a pas de canule 26, de sorte que l'orifice d'injection 261 est situé à l'extérieur de l'espace de prélèvement et d'application 35. On peut dire que l'orifice d'injection 261 est tout juste à l'extérieur de l'espace 35. On peut également prévoir de disposer l'orifice 261 juste à l'intérieur de l'espace 35. Cette configuration est plus adaptée à des produits fluides peu visqueux, comme le parfum, alors que la configuration des figures 2 et 3, avec une canule qui s'étend loin à l'intérieur de l'espace 35, est plus adaptée à des produits fluides plus visqueux, comme des crèmes ou des sérums.  In Figure 4, we see a third embodiment for a drain valve according to the invention. The bottom 22 of the bucket 21 may be identical or similar to that of the first embodiment of FIG. 2. It may however be noted that there is no cannula 26, so that the injection orifice 261 is located outside the sampling and application space 35. It can be said that the injection orifice 261 is just outside the space 35. It is also possible to arrange the orifice 261 just inside the space 35. This configuration is more suitable for fluid products with low viscosity, such as perfume, while the configuration of Figures 2 and 3, with a canula that extends far into the interior of space 35, is more suitable for more viscous fluid products, such as creams or serums.
D'autre part, le mode de réalisation de la figure 4 se différencie également des précédents par son organe de clapet mobile 5" qui comprend un talon d'ancrage 51 " sous la forme d'une gaine qui enserre le porte-tube 25 sur une certaine hauteur. L'avantage de cette conception réside dans le fait que le porte-tube peut être classique, sans nervure ou gorge d'ancrage.  On the other hand, the embodiment of FIG. 4 is also different from the previous ones by its movable valve member 5 "which comprises an anchoring heel 51" in the form of a sheath which encloses the tube holder 25 on a certain height. The advantage of this design lies in the fact that the tube holder can be conventional, without rib or anchor groove.
Quelle que soit la conception de l'organe de clapet mobile 5, 5', 5", il comprend un talon d'ancrage fixe 51 , 51 ', 51 " solidaire du porte-tube 25 et une corolle souple 52 qui permet d'obturer sélectivement les trous de passage 221 en fonction de la pression qui règne à l'intérieur du godet 21 .  Whatever the design of the movable valve member 5, 5 ', 5 ", it comprises a fixed anchor heel 51, 51', 51" integral with the tube holder 25 and a flexible corolla 52 which allows selectively closing the through holes 221 as a function of the pressure inside the bucket 21.
L'organe de clapet mobile 5 ; 5' ; 5" peut être monté mécaniquement sur le porte-tube 25, mais il peut également être réalisé en bi-injection avec des matériaux chimiquement incompatibles, permettant une tenue mécanique, mais pas de liaison chimique, de manière à assurer le décollement de la corolle souple 52. Grâce à l'invention, le tube plongeur 24 reste partiellement, et de préférence entièrement, rempli de produit fluide, de sorte que le remplissage de l'espace de prélèvement et d'application 35 commence dès le début du coulissement étanche de l'organe amovible 3 hors de la pièce de base 2. La formation des trous de passage 222 est aisée, car ils présentent une orientation axiale qui est celle du moulage/démoulage. L'ajout d'un joint en tant qu'organe de clapet mobile est une opération aisée. La disposition du clapet de vidange au niveau du fond 22 du godet 21 est préférentielle, mais pas exclusive. The movable valve member 5; 5 '; 5 "can be mounted mechanically on the tube holder 25, but it can also be made by bi-injection with chemically incompatible materials, allowing a mechanical strength, but no chemical bond, so as to ensure the detachment of the flexible corolla 52. Thanks to the invention, the dip tube 24 remains partially, and preferably entirely, filled with fluid, so that the filling of the sampling and application space 35 begins at the beginning of the tight sliding of the organ. 3 The formation of the through holes 222 is easy because they have an axial orientation which is that of molding / demoulding. The addition of a seal as a movable valve member is an easy operation. The arrangement of the drain valve at the bottom 22 of the bucket 21 is preferred, but not exclusive.

Claims

Revendications claims
1 . - Dispositif de prélèvement et d'application de produit fluide comprenant : 1. - Device for sampling and application of fluid product comprising:
- une pièce de base (2) montée sur un réservoir de produit fluide (1 ), la pièce de base (2) comprenant un tube plongeur (24) et un godet (21 ) dans lequel est formé un orifice d'injection (261 ) raccordé au tube plongeur (24), le godet (21 ) étant pourvu d'un piston (27), et  - a base piece (2) mounted on a fluid reservoir (1), the base piece (2) comprising a dip tube (24) and a bucket (21) in which is formed an injection port (261 ) connected to the dip tube (24), the cup (21) being provided with a piston (27), and
- un organe amovible (3) monté de manière amovible selon un axe de coulissement sur la pièce de base (2), l'organe amovible (3) comprenant un appendice de préhension (31 ), une tubulure (33) apte à coulisser selon un axe de coulissement de manière étanche contre le piston (27) sur une course axiale étanche et un applicateur (35) apte à retenir une dose de produit fluide issue de l'orifice d'injection (261 ) par aspiration générée par le coulissement étanche de la tubulure (33) contre le piston (27), l'applicateur comprenant un espace de prélèvement et d'application (35) formé dans la tubulure (33), le produit fluide étant injecté dans cet espace de prélèvement et d'application (35) à travers le tube plongeur (24) et l'orifice d'injection (261 ),  - A removable member (3) removably mounted on a sliding axis on the base member (2), the removable member (3) comprising a gripping appendix (31), a tube (33) slidable according to a sliding axis sealingly against the piston (27) on a tight axial stroke and an applicator (35) adapted to retain a dose of fluid produced from the injection orifice (261) by suction generated by the leaktight sliding the tubing (33) against the piston (27), the applicator comprising a sampling and application space (35) formed in the tubing (33), the fluid product being injected into this sampling and application space (35) through the dip tube (24) and the injection port (261),
caractérisé en ce que le godet (21 ) est pourvu d'un clapet de vidange (221 , 222, 5 ; 5' ; 5") qui fait sélectivement communiquer l'intérieur du godet (21 ) avec le réservoir de produit fluide (1 ), de manière à refouler le produit fluide contenu dans le godet (21 ) vers le réservoir (1 ), lors de la remise en place de l'organe amovible (3) sur la pièce de base (2).  characterized in that the bucket (21) is provided with a drain valve (221, 222, 5; 5 '; 5 ") which selectively communicate the interior of the cup (21) with the fluid reservoir (1 ), so as to discharge the fluid contained in the bucket (21) to the reservoir (1), during the replacement of the removable member (3) on the base part (2).
2. - Distributeur selon la revendication 1 , dans lequel le clapet de vidange (221 , 222, 5 ; 5' ; 5") comprend au moins un trou de passage (221 ) traversant l'épaisseur de paroi du godet (21 ), ledit au moins un trou de passage (221 ) étant bordé par un siège de clapet (222), le clapet de vidange (221 , 222, 5 ; 5' ; 5") comprenant également un organe de clapet mobile (5 ; 5' ; 5") disposé à l'extérieur du godet (21 ) et apte à obturer le trou de passage (221 ), lorsqu'une dépression est créée dans le godet (21 ). 2. - A dispenser according to claim 1, wherein the drain valve (221, 222, 5; 5 '; 5 ") comprises at least one through hole (221) passing through the wall thickness of the cup (21), said at least one through-hole (221) being bordered by a valve seat (222), the drain valve (221, 222, 5; 5 '; 5 ") also comprising a movable valve member (5; 5 ") disposed outside the bucket (21) and able to close the passage hole (221), when a depression is created in the bucket (21).
3. - Distributeur selon la revendication 1 ou 2, dans lequel le clapet de vidange (221 , 222, 5 ; 5' ; 5") s'ouvre à un seuil de surpression dans le godet (21 ) qui est inférieur à celui nécessaire pour refouler le contenu du godet (21 ) à travers le tube plongeur (24). 3. - A dispenser according to claim 1 or 2, wherein the drain valve (221, 222, 5; 5 '; 5 ") opens at a pressure threshold in the bucket (21) which is less than that required for discharging the contents of the bucket (21) through the dip tube (24).
4. - Distributeur selon l'une quelconque des revendications précédentes, dans lequel le godet (21 ) comprend un fond (22) au niveau duquel le clapet de vidange (221 , 222, 5 ; 5' ; 5") est situé. 4. - Dispenser according to any one of the preceding claims, wherein the bucket (21) comprises a bottom (22) at which the drain valve (221, 222, 5; 5 '; 5 ") is located.
5. - Distributeur selon la revendication 4, dans lequel le fond (22) est traversé par un conduit (23) qui relie le tube plongeur (24) à l'orifice d'injection (261 ). 5. - A dispenser according to claim 4, wherein the bottom (22) is traversed by a conduit (23) which connects the dip tube (24) to the injection port (261).
6. - Distributeur selon la revendication 5, dans lequel le clapet de vidange (221 , 222, 5 ; 5' ; 5") comprend plusieurs trous de passage (221 ) disposés autour du conduit (23). 6. - Dispenser according to claim 5, wherein the drain valve (221, 222, 5; 5 '; 5 ") comprises a plurality of through holes (221) disposed around the conduit (23).
7. - Distributeur selon l'une quelconque des revendications 2 à 6, dans lequel la pièce de base (2) comprend un porte-tube (25) dans lequel est engagée une extrémité du tube plongeur (24), l'organe de clapet mobile (5 ; 5' ; 5") étant monté fixement autour de ce porte-tube (25), qui forme avantageusement un profil de fixation (251 ; 252). 7. - Dispenser according to any one of claims 2 to 6, wherein the base part (2) comprises a tube holder (25) in which is engaged an end of the plunger tube (24), the valve member movable (5; 5 '; 5 ") being fixedly mounted around this tube carrier (25), which advantageously forms an attachment profile (251; 252).
8. - Distributeur selon la revendication 7, dans lequel l'organe de clapet mobile (5 ; 5' ; 5") comprend un talon de fixation (51 ; 51 ' ; 51 ") en prise fixe avec le porte-tube (25) et une corolle souple (52) qui s'étend sur ledit au moins un trou de passage (221 ) pour les obturer de manière sélective. A dispenser according to claim 7, wherein the movable valve member (5; 5 '; 5 ") comprises a fastening heel (51; 51';51") in stationary engagement with the tube holder (25; ) and a flexible corolla (52) which extends over said at least one through hole (221) to selectively close them.
9. - Distributeur selon l'une quelconque des revendications précédentes, dans lequel l'organe de clapet mobile (5 ; 5' ; 5") est réalisé en bi-injection avec des matériaux chimiquement incompatibles. 9. - Dispenser according to any one of the preceding claims, wherein the movable valve member (5; 5 ', 5 ") is made by bi-injection with chemically incompatible materials.
10. - Distributeur selon l'une quelconque des revendications précédentes, dans lequel l'orifice d'injection (261 ) est situé à l'intérieur de l'espace de prélèvement et d'application (35), lorsque l'organe amovible (3) est en place sur la pièce de base (2). 10. - Dispenser according to any one of the preceding claims, wherein the injection port (261) is located inside the sampling and application space (35), when the removable member ( 3) is in place on the base piece (2).
1 1 . - Distributeur selon l'une quelconque des revendications 1 à 9, dans lequel l'orifice d'injection (261 ) est situé à l'extérieur de l'espace de prélèvement et d'application (35), lorsque l'organe amovible (3) est en place sur la pièce de base (2). 1 1. - Dispenser according to any one of claims 1 to 9, wherein the injection port (261) is located outside the sampling and application space (35), when the removable member ( 3) is in place on the base piece (2).
EP17764862.3A 2016-07-26 2017-07-24 Device for collecting and applying a fluid product Active EP3490406B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1657154A FR3054415B1 (en) 2016-07-26 2016-07-26 DEVICE FOR TAKING AND APPLYING FLUID PRODUCT.
PCT/FR2017/052037 WO2018020121A1 (en) 2016-07-26 2017-07-24 Device for collecting and applying a fluid product

Publications (2)

Publication Number Publication Date
EP3490406A1 true EP3490406A1 (en) 2019-06-05
EP3490406B1 EP3490406B1 (en) 2020-05-13

Family

ID=57209548

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17764862.3A Active EP3490406B1 (en) 2016-07-26 2017-07-24 Device for collecting and applying a fluid product

Country Status (6)

Country Link
EP (1) EP3490406B1 (en)
CN (1) CN109475217B (en)
BR (1) BR112018076596B1 (en)
ES (1) ES2799174T3 (en)
FR (1) FR3054415B1 (en)
WO (1) WO2018020121A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2869302B1 (en) * 2004-04-21 2006-07-14 Oreal ASSEMBLY FOR PACKAGING AND DISPENSING A PRODUCT, IN PARTICULAR A COSMETIC PRODUCT
FR2975086B1 (en) * 2011-05-13 2013-06-28 Valois Sas FLUID PRODUCT DISPENSER.
FR2978742B1 (en) * 2011-08-01 2014-11-21 Valois Sas FLUID PRODUCT DISPENSER.
FR2997935B1 (en) * 2012-11-13 2015-05-29 Aptar France Sas FLUID PRODUCT DISPENSER.
JP5998163B2 (en) * 2013-07-22 2016-09-28 株式会社 エポックケミカル Valve type liquid material exuding tool

Also Published As

Publication number Publication date
FR3054415B1 (en) 2018-08-17
BR112018076596A2 (en) 2019-04-16
ES2799174T3 (en) 2020-12-15
BR112018076596B1 (en) 2023-01-31
FR3054415A1 (en) 2018-02-02
EP3490406B1 (en) 2020-05-13
CN109475217A (en) 2019-03-15
CN109475217B (en) 2021-08-24
WO2018020121A1 (en) 2018-02-01

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