EP2964392A1 - Fluid product dispensing device - Google Patents

Fluid product dispensing device

Info

Publication number
EP2964392A1
EP2964392A1 EP14718651.4A EP14718651A EP2964392A1 EP 2964392 A1 EP2964392 A1 EP 2964392A1 EP 14718651 A EP14718651 A EP 14718651A EP 2964392 A1 EP2964392 A1 EP 2964392A1
Authority
EP
European Patent Office
Prior art keywords
pusher
dispensing device
actuating rod
mounting ring
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
EP14718651.4A
Other languages
German (de)
French (fr)
Other versions
EP2964392B1 (en
Inventor
Florent Pouliaude
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 EP2964392A1 publication Critical patent/EP2964392A1/en
Application granted granted Critical
Publication of EP2964392B1 publication Critical patent/EP2964392B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0008—Sealing or attachment arrangements between sprayer and container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1045—Sealing or attachment arrangements between pump and container the pump being preassembled as an independent unit before being mounted on the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1052—Actuation means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/16—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
    • B65D83/20—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
    • B65D83/205—Actuator caps, or peripheral actuator skirts, attachable to the aerosol container

Definitions

  • the present invention relates to a fluid dispenser device, such as a pump or a valve, intended to be associated with a fluid reservoir to form a fluid dispenser.
  • the dispensing device comprises a body adapted to be fixedly mounted on the fluid reservoir, an actuating rod which moves axially back and forth in the body and a pusher mounted on the actuating rod by means connection.
  • the preferred fields of application of the present invention are those of the perfumery, cosmetics or even the pharmacy, where it is common to use fluid dispensers to dispense various fluid products, such as perfumes, lotions, creams, gels, etc.
  • the pusher When the pusher incorporates a fluid dispensing orifice, it is common for the actuating rod to define an internal conduit of fluid and the pusher defining an internal channel of fluid that leads to a dispensing orifice, the connecting means blocking the conduit to the channel in a sealed manner.
  • the pusher defines a connecting sleeve which forms the inlet of the internal channel of fluid product. This connecting sleeve is conventionally force-fitted around the free end of the actuating rod to thus achieve a tight fit.
  • the body and the actuating rod define between them a pump or valve chamber of variable volume.
  • the inlet of the chamber is provided with an inlet valve and the outlet of the chamber is provided with an outlet valve.
  • the axial depression of the actuating rod in the body has the effect of reducing the volume of the chamber and put the fluid contained therein under pressure.
  • the inlet valve is forced to the closed state and the outlet valve opens under the effect of pressure.
  • the fluid product can thus be discharged through the internal conduit of the actuating rod and the internal channel of the pusher until it is distributed to the level of the dispensing orifice.
  • the object of the present invention is to remedy this aforementioned disadvantage of the prior art by defining connection means between the pusher and the actuating rod which do not require the depression of the actuating rod in the body during the mounting of the pusher on the actuating rod.
  • Another object of the present invention is to implement connecting means which do not require any thrust on the actuating rod during mounting of the pusher on the actuating rod.
  • Yet another object of the present invention is to achieve the foregoing goals without changing the operation and design of a conventional pump or valve.
  • the present invention proposes a device for dispensing fluid product, such as a pump or a valve, intended to be associated with a reservoir of fluid product to constitute a fluid dispenser, the dispensing device comprising a body intended to to be fixedly mounted on the fluid reservoir, an actuating rod which moves axially back and forth in the body and a pusher mounted on the actuating rod by connecting means comprising magnetization means for generating a connection by magnetic attraction between the actuating rod and the pusher, the connecting means comprising a rod member engaged around the actuating rod and a pusher member integral with the pusher, the actuating rod defining a conduit internal fluid and the pusher forming a connecting sleeve defining an internal channel of fluid that leads to a dispensing orifice characterized in that the rod member is deformed by the connecting sleeve of the pusher, thereby blocking the conduit to the channel sealingly.
  • the deformation of the rod member by the connecting sleeve is used to achieve the seal.
  • the rod member is interposed between the conduit and the channel so as to form a fluid product passage section.
  • the rod member comprises a mounting ring which is fitted in a sealed manner on the actuating rod.
  • the actuating rod defines an annular upper edge, the mounting ring extending axially above this annular upper edge so as to form a fluid passage section.
  • the rod member comprises a mounting ring supporting a seal compressed by the connecting sleeve of the pusher.
  • the connection sleeve forms a protruding sealing bead which deforms the joint locally.
  • the mounting ring can support a ferromagnetic or magnetized capsule. The ferromagnetic or magnetized capsule advantageously maintains the seal on the mounting ring.
  • the mounting ring has only a support function for a ferromagnetic or magnetized part ensuring the mechanical attachment in association with the pusher magnet, and for a seal that seals by compression by the connecting sleeve of the pusher.
  • the functions of mechanical fastening, sealing and support are clearly dissociated and distinct here.
  • the rod member may comprise a mounting ring which is provided with a flexible layer which comes into sealing contact with the magnet mounted on the pusher.
  • the flexible layer maintains the seal on the mounting ring.
  • the mechanical attachment by magnetization also serves to crush the flexible layer to achieve sealing.
  • the mounting ring is made from a flexible material loaded with ferromagnetic or magnetized particles.
  • the mounting ring provides a triple function, namely those of support, mechanical fastening by magnetization and sealing by flexible deformation.
  • the mounting ring comprises a sealing ring crushed by the magnet of the pusher.
  • the connecting sleeve provides a first annular sealing barrier and the sealing ring crushed by the magnet provides a second concentric annular sealing barrier.
  • the spirit of the invention lies in the fact of using the magnetic attraction to make the tight connection between a pusher and an actuating rod, avoiding pressing or pushing the actuating rod into the body.
  • FIG. 1 is a vertical cross-sectional view through a fluid dispenser according to a first embodiment of the invention, with the pusher disconnected from the actuating rod,
  • FIG. 2 is a view similar to that of FIG. 1 with the pusher connected to the actuating rod;
  • FIG. 3 is a greatly enlarged view of the upper part of FIG. 2,
  • FIG. 4 is a view similar to that of FIG. 3 for a second embodiment of the invention.
  • Figure 5 is a view similar to Figures 3 and 4 for a third embodiment of the invention.
  • the fluid dispenser device may be a pump or a valve: in the figures, it is a pump.
  • This dispensing device is associated with a fluid reservoir R comprising a neck C.
  • This reservoir R is not critical for the present invention, and therefore it can have the most diverse configurations and be realized in n ' any suitable material. It is sufficient that it is able to contain a fluid and have an opening at a neck.
  • the fluid dispensing device of the invention comprises a body 1, which is here a pump body, an actuating rod 2, a pusher 3 and connecting means 4, 5 for connecting the pusher 3 to the stem actuator 2.
  • the pump body 1 conventionally comprises a plunger tube 1 1 for conveying fluid to an inlet valve 12 forming the inlet of a pump chamber 13 delimited by the actuating rod 2 which comprises a piston 21 and forms an outlet valve 22.
  • the pump body 1 also comprises a projecting upper flange 14 through which the body is held on the neck C of the tank R, for example by means of a ring of attachment 15 associated with a neck seal 16.
  • the fixing ring 15 can be of any kind, for example a crimp ring as is the case in the figures, a screw ring or a snap ring.
  • the operation of the pump is quite conventional: by pressing the actuating rod 2 into the body 1 against a return spring, the volume of the chamber 13 decreases and puts the fluid it contains under pressure .
  • the pusher 3 comprises a connecting sleeve 31 whose lower end advantageously forms a protruding sealing bead 32.
  • the connecting sleeve 31 internally defines an internal channel of fluid product 33 which leads to a dispensing orifice 34, which can for example be formed by a nozzle to perform a spray. This is a quite classic design for a pusher that performs a distribution function.
  • the pusher 3 forms an annular housing 35 around the connecting sleeve 31.
  • a magnet 5, which is advantageously a permanent magnet, is received in this housing 35.
  • the magnet 5 may have an annular or cylindrical shape so as to engage around the connecting sleeve 35.
  • the magnet 5 may consist of several magnet pads distributed inside the housing 35.
  • the magnet 5 or the ferromagnetic element constitutes a pusher member forming part of the magnetization means of the invention.
  • the magnet 5 or the ferromagnetic element can be directly inserted in the housing 35: alternatively, it can be mounted on a ring engaged in the housing 35.
  • connection means 4 in this first embodiment of the invention, comprise a mounting ring 41 which is mounted by force-fitting around the free end of the actuating rod 2.
  • This mounting ring 41 can for example be made made of plastic It serves as a support for a ferromagnetic element which is in the form of a ferromagnetic capsule 43 which extends at least on the top of the ring 41, and advantageously on its periphery so as to form an envelope.
  • the ferromagnetic capsule 43 can be held on the mounting ring 41 by press fitting.
  • the capsule 43 is attracted by the magnet 5 of the pusher 3 which is arranged opposite.
  • the magnet 5 can come into direct contact with the ferromagnetic capsule 43, as can be seen in FIGS. 2 and 3.
  • This magnetic attraction ensures that the pusher 3 is held on the actuating rod 2 with sufficient force.
  • the magnetization means constituted by the magnet 5 and the ferromagnetic capsule 43 make it possible to mechanically fix the pusher 3 on the actuating rod 2.
  • the intimate contact between the lower face of the magnet 5 and the ferromagnetic capsule 43 could guarantee the seal at the level of the connection of the internal conduit 23 to the internal channel 33.
  • provision is made for this sealing by providing an annular seal 42 which is mounted on the mounting ring 41 and advantageously held in place by the ferromagnetic capsule 43.
  • the annular upper portion of the ferromagnetic capsule 43 extends radially inwards up to the annular seal 42.
  • the mounting ring 41 may be made with a recess suitable for receiving the an annular seal 42 so that its outer periphery is held by the ferromagnetic capsule 43.
  • the magnet 5 is pressed against the ferromagnetic capsule 43, and simultaneously, the connecting sleeve 31 comes into contact with the annular seal 42.
  • the protruding sealing bead 32 locally deforms the annular seal 42 to ensure a perfect seal. In this way, the inner conduit 23 is perfectly sealed to the inner conduit 33.
  • the magnetic attraction generated by the magnet 5 and the capsule 43 ensures satisfactory attachment of the pusher 3 on the actuating rod, especially during the distribution phases.
  • FIG. 4 shows a second embodiment of the invention.
  • the fluid reservoir, the body 1 and the actuating rod 2 may be strictly identical or similar to those of the first embodiment.
  • the pusher 3 may also be identical or similar to that of the first embodiment: it comprises in particular a magnet 5 or a ferromagnetic element received directly or indirectly in the receiving housing 35 formed around the connecting sleeve 31 which preferably forms a cord protruding seal 32 at its lower end.
  • the connection means comprise a rod member 4 'forming a mounting ring 41' which is force-fitted around the free end of the actuating rod 2, as in the embodiment previous.
  • this mounting ring 41 ' is made of a ferromagnetic or magnetized material.
  • the ring 41 'associated with the magnet 5 thus constitute magnetization means.
  • the mounting ring 41 ' also supports an annular seal 42 intended to be deformed by the connecting sleeve 31 to provide a sealing abutment of the inner conduit 23 on the inner channel 33.
  • the mounting ring 41' can come into direct contact with the 5.
  • the mounting ring 41 ' is provided with a flexible layer 45 with level of its upper face which is intended to come into contact with the magnet 5.
  • the flexible layer 45 is interposed and crushed between the magnet 5 and the mounting ring 41 '.
  • the flexible layer 45 can be of any kind.
  • the flexible layer 45 may extend inwardly to the annular seal 42 'to maintain it on the mounting ring 41', substantially similar to the first embodiment. The inner edge of the flexible layer 45 may even come into sealing contact with the connecting sleeve 31 to provide additional sealing.
  • the flexible layer 45 may be integral with the magnet 5, and not the mounting ring 41 '.
  • FIG. 5 there is shown a third embodiment of the invention in which the body 1, the actuating rod 2 and the pusher 3 may be identical or similar to those of the two previous embodiments. Only the connection means differ from the previous embodiments. Indeed, these connecting means comprise a rod member 4 "consisting solely of a mounting ring 41" which is force-fitted around the free end of the actuating rod 2.
  • This mounting ring 41 is made from a flexible material, such as an elastomer, which is loaded with ferromagnetic or magnetized particles 46 which are embedded in the mass of the mounting ring 41 ".
  • this mounting ring 41 "fulfills a triple function, namely those of support, mechanical fixing by magnetization and sealing by deformation.
  • the magnet 5 of the pusher 3 can come into direct contact with the crown of mounting 41 ", which is advantageously provided with one or more ring (s) O (s) 47 which project on the upper face of the mounting ring 41 "These O-rings 47 are slightly deformed by the magnet 5 so as to create one or more
  • the lower end of the connection sleeve 31, which optionally is provided with a protruding sealing bead 32 also comes into contact with the mounting ring (s). 41 "to deform it, and thus create a tight barrier.
  • annular rods 47 or projecting cord 32 can be dispensed with. It is also possible for connection sleeve 31 to come into direct contact with the upper end of actuating rod 2.
  • the invention makes it possible to make a mechanical connection of the pusher on the actuating rod by implementing magnetization means.
  • the pusher can be a simple pusher without dispensing outlet, so that the mechanical attachment is sufficient.
  • the mechanical attachment by magnetic attraction must also ensure a seal at the abutment of the inner conduit 23 of the actuating rod with the internal channel 33 of the pusher .
  • the rod member, and more particularly the mounting ring is interposed between the conduit 23 and the channel 33 so as to form a fluid product passage section.
  • the mounting ring is advantageously fitted tightly around the actuating rod 2 and fills individually or cumulatively a support function, a fixing function, a sealing function and / or a fluid product flow function.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Reciprocating Pumps (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)

Abstract

A fluid product dispensing device, such as a pump or a valve, intended to be combined with a fluid product reservoir (R) to form a fluid product dispenser, the dispensing device comprising a body (1) intended to be fixedly mounted on the fluid product reservoir (R), an actuating rod (2) that moves axially back and forth in the body (1) and a tappet (3) mounted on the actuating rod (2) by connection means (4; 4'; 4'', 5) comprising magnetisation means (43; 41', 41'', 5) to generate a link, by magnetic attraction, between the actuating rod (2) and the tappet (3), the connection means (4; 4'; 4'', 5) comprising a rod member (4; 4'; 4'') engaged around the actuating rod (2) and a tappet member (5) rigidly connected to the tappet (3), the actuating rod (2) defining an internal conduit (23) for the fluid product and the tappet (3) forming a connecting sleeve (31) defining an internal channel (33) for the fluid product that leads to a dispensing orifice (34), characterised in that the rod member (4; 4'; 4'') is deformed by the connecting sleeve (31) of the tappet (3), thus sealingly joining the conduit (23) to the channel (33).

Description

Dispositif de distribution de produit fluide  Fluid dispensing device
La présente invention concerne un dispositif de distribution de produit fluide, tel qu'une pompe ou une valve, destiné à être associé à un réservoir de produit fluide pour constituer un distributeur de produit fluide. Le dispositif de distribution comprend un corps destiné à être monté fixement sur le réservoir de produit fluide, une tige d'actionnement qui se déplace axialement en va-et-vient dans le corps et un poussoir monté sur la tige d'actionnement par des moyens de raccordement. Les domaines d'application privilégiés de la présente invention sont ceux de la parfumerie, de la cosmétique ou encore de la pharmacie, où il est fréquent d'utiliser des distributeurs de produit fluide pour distribuer des produits fluides divers, tels que des parfums, des lotions, des crèmes, des gels, etc. The present invention relates to a fluid dispenser device, such as a pump or a valve, intended to be associated with a fluid reservoir to form a fluid dispenser. The dispensing device comprises a body adapted to be fixedly mounted on the fluid reservoir, an actuating rod which moves axially back and forth in the body and a pusher mounted on the actuating rod by means connection. The preferred fields of application of the present invention are those of the perfumery, cosmetics or even the pharmacy, where it is common to use fluid dispensers to dispense various fluid products, such as perfumes, lotions, creams, gels, etc.
Lorsque le poussoir intègre un orifice de distribution de produit fluide, il est courant que la tige d'actionnement définisse un conduit interne de produit fluide et le poussoir définisse un canal interne de produit fluide qui mène à un orifice de distribution, les moyens de raccordement raboutant le conduit au canal de manière étanche. En général, le poussoir définit un manchon de raccordement qui forme l'entrée du canal interne de produit fluide. Ce manchon de raccordement est conventionnellement emmanché en force autour de l'extrémité libre de la tige d'actionnement pour ainsi réaliser un emmanchement étanche.  When the pusher incorporates a fluid dispensing orifice, it is common for the actuating rod to define an internal conduit of fluid and the pusher defining an internal channel of fluid that leads to a dispensing orifice, the connecting means blocking the conduit to the channel in a sealed manner. In general, the pusher defines a connecting sleeve which forms the inlet of the internal channel of fluid product. This connecting sleeve is conventionally force-fitted around the free end of the actuating rod to thus achieve a tight fit.
De manière tout à fait conventionnelle, le corps et la tige d'actionnement définissent entre eux une chambre de pompe ou de valve de volume variable. L'entrée de la chambre est pourvue d'un clapet d'entrée et la sortie de la chambre est pourvue d'un clapet de sortie. Lorsque la chambre est remplie de produit fluide, l'enfoncement axial de la tige d'actionnement dans le corps a pour effet de réduire le volume de la chambre et de mettre le produit fluide qu'il contient sous pression. Le clapet d'entrée est forcé à l'état fermé et le clapet de sortie s'ouvre sous l'effet de la pression. Le produit fluide peut ainsi être refoulé à travers le conduit interne de la tige d'actionnement et le canal interne du poussoir jusqu'à être distribué au niveau de l'orifice de distribution. Il s'agit là d'une conception tout à fait classique pour une pompe ou une valve dans le domaine de la parfumerie, de la cosmétique ou encore de la pharmacie. In a completely conventional manner, the body and the actuating rod define between them a pump or valve chamber of variable volume. The inlet of the chamber is provided with an inlet valve and the outlet of the chamber is provided with an outlet valve. When the chamber is filled with fluid, the axial depression of the actuating rod in the body has the effect of reducing the volume of the chamber and put the fluid contained therein under pressure. The inlet valve is forced to the closed state and the outlet valve opens under the effect of pressure. The fluid product can thus be discharged through the internal conduit of the actuating rod and the internal channel of the pusher until it is distributed to the level of the dispensing orifice. This is a quite conventional design for a pump or a valve in the field of perfumery, cosmetics or pharmacy.
Pour réaliser l'emmanchement étanche entre le poussoir et la tige d'actionnement, il est nécessaire d'appliquer une force suffisante sur le poussoir en direction de la tige d'actionnement. Cela a pour effet d'enfoncer la tige d'actionnement au corps de pompe et de distribuer une dose de produit fluide, lorsque la chambre de pompe est remplie de produit fluide. L'opération d'emmanchement du poussoir sur la tige d'actionnement peut alors conduire à une fuite de produit fluide entre la tige d'actionnement et le poussoir, notamment lorsque l'emmanchement étanche n'est pas encore réalisé lors de la distribution de produit fluide. Quoiqu'il en soit, l'emmanchement étanche sur la tige d'actionnement nécessite l'enfoncement de la tige d'actionnement.  To achieve the tight fit between the pusher and the actuating rod, it is necessary to apply sufficient force on the pusher in the direction of the actuating rod. This has the effect of driving the actuating rod to the pump body and dispensing a dose of fluid when the pump chamber is filled with fluid. The pressing operation of the pusher on the actuating rod can then lead to leakage of fluid between the actuating rod and the pusher, especially when the tight fitting is not yet achieved during the distribution of fluid product. Anyway, the tight fitting on the actuating rod requires the depression of the actuating rod.
La présente invention a pour but de remédier à cet inconvénient précité de l'art antérieur en définissant des moyens de raccordement entre le poussoir et la tige d'actionnement qui ne nécessitent pas l'enfoncement de la tige d'actionnement dans le corps lors du montage du poussoir sur la tige d'actionnement. Un autre but de la présente invention est de mettre en œuvre des moyens de raccordement qui ne nécessitent aucune poussée sur la tige d'actionnement lors du montage du poussoir sur la tige d'actionnement. Encore un autre but de la présente invention est d'atteindre les buts précédents sans modifier le fonctionnement et la conception d'une pompe ou d'une valve classique.  The object of the present invention is to remedy this aforementioned disadvantage of the prior art by defining connection means between the pusher and the actuating rod which do not require the depression of the actuating rod in the body during the mounting of the pusher on the actuating rod. Another object of the present invention is to implement connecting means which do not require any thrust on the actuating rod during mounting of the pusher on the actuating rod. Yet another object of the present invention is to achieve the foregoing goals without changing the operation and design of a conventional pump or valve.
Dans l'art antérieur, on connaît le document US2012/205401 qui utilise l'aimantation pour raccorder un poussoir sur une tige d'actionnement. Ainsi, le raccordement entre le poussoir et la tige d'actionnement ne s'effectue pas par poussée, mais au contraire par attraction, ce qui évite l'enfoncement de la tige d'actionnement dans le corps. Cependant, il se pose le problème de l'étanchéité du raccordement qui doit être obtenu par la simple attraction magnétique, ce qui n'est pas aisé. C'est pourquoi la présente invention a pour but de réaliser l'étanchéité au niveau d'un raccordement magnétique. In the prior art, document US2012 / 205401 is known which uses magnetization to connect a pusher to an actuating rod. Thus, the connection between the pusher and the actuating rod is not carried out by pushing, but on the contrary by attraction, which avoids the depression of the actuating rod in the body. However, there is the problem of sealing the connection that must be obtained by simple magnetic attraction, which is not easy. That's why The present invention aims to achieve sealing at a magnetic connection.
Ainsi, la présente invention propose un dispositif de distribution de produit fluide, tel qu'une pompe ou une valve, destiné à être associé à un réservoir de produit fluide pour constituer un distributeur de produit fluide, le dispositif de distribution comprenant un corps destiné à être monté fixement sur le réservoir de produit fluide, une tige d'actionnement qui se déplace axialement en va-et-vient dans le corps et un poussoir monté sur la tige d'actionnement par des moyens de raccordement comprenant des moyens d'aimantation pour générer une liaison par attraction magnétique entre la tige d'actionnement et le poussoir, les moyens de raccordement comprenant un organe de tige engagé autour de la tige d'actionnement et un organe de poussoir solidaire du poussoir, la tige d'actionnement définissant un conduit interne de produit fluide et le poussoir formant un manchon de raccordement définissant un canal interne de produit fluide qui mène à un orifice de distribution, caractérisé en ce que l'organe de tige est déformé par le manchon de raccordement du poussoir, raboutant ainsi le conduit au canal de manière étanche. Ainsi, on utilise la déformation de l'organe de tige par le manchon de raccordement pour réaliser l'étanchéité. Avantageusement, les moyens d'aimantation comprennent un aimant monté sur le poussoir, et un élément ferromagnétique et/ou aimanté formé par l'organe de tige.  Thus, the present invention proposes a device for dispensing fluid product, such as a pump or a valve, intended to be associated with a reservoir of fluid product to constitute a fluid dispenser, the dispensing device comprising a body intended to to be fixedly mounted on the fluid reservoir, an actuating rod which moves axially back and forth in the body and a pusher mounted on the actuating rod by connecting means comprising magnetization means for generating a connection by magnetic attraction between the actuating rod and the pusher, the connecting means comprising a rod member engaged around the actuating rod and a pusher member integral with the pusher, the actuating rod defining a conduit internal fluid and the pusher forming a connecting sleeve defining an internal channel of fluid that leads to a dispensing orifice characterized in that the rod member is deformed by the connecting sleeve of the pusher, thereby blocking the conduit to the channel sealingly. Thus, the deformation of the rod member by the connecting sleeve is used to achieve the seal. Advantageously, the magnetization means comprise a magnet mounted on the pusher, and a ferromagnetic and / or magnetized element formed by the rod member.
Selon une caractéristique intéressante de l'invention, l'organe de tige est interposé entre le conduit et le canal de manière à former une section de passage de produit fluide. Avantageusement, l'organe de tige comprend une couronne de montage qui est emmanchée de manière étanche sur la tige d'actionnement. De préférence, la tige d'actionnement définit un bord supérieur annulaire, la couronne de montage s'étendant axialement au- dessus de ce bord supérieur annulaire de manière à former une section de passage de produit fluide.  According to an advantageous characteristic of the invention, the rod member is interposed between the conduit and the channel so as to form a fluid product passage section. Advantageously, the rod member comprises a mounting ring which is fitted in a sealed manner on the actuating rod. Preferably, the actuating rod defines an annular upper edge, the mounting ring extending axially above this annular upper edge so as to form a fluid passage section.
Selon un premier mode de réalisation, l'organe de tige comprend une couronne de montage supportant un joint comprimé par le manchon de raccordement du poussoir. Avantageusement, le manchon de raccordement forme un cordon d'étanchéité saillant qui déforme localement le joint. La couronne de montage peut supporter une capsule ferromagnétique ou aimantée. La capsule ferromagnétique ou aimantée maintient avantageusement le joint sur la couronne de montage. According to a first embodiment, the rod member comprises a mounting ring supporting a seal compressed by the connecting sleeve of the pusher. Advantageously, the connection sleeve forms a protruding sealing bead which deforms the joint locally. The mounting ring can support a ferromagnetic or magnetized capsule. The ferromagnetic or magnetized capsule advantageously maintains the seal on the mounting ring.
Ainsi, dans ce premier mode de réalisation, la couronne de montage n'a qu'une fonction de support pour une pièce ferromagnétique ou aimantée assurant la fixation mécanique en association avec l'aimant du poussoir, et pour un joint qui assure l'étanchéité par compression par le manchon de raccordement du poussoir. Les fonctions de fixation mécanique, d'étanchéité et de support sont ici clairement dissociées et distinctes.  Thus, in this first embodiment, the mounting ring has only a support function for a ferromagnetic or magnetized part ensuring the mechanical attachment in association with the pusher magnet, and for a seal that seals by compression by the connecting sleeve of the pusher. The functions of mechanical fastening, sealing and support are clearly dissociated and distinct here.
Selon une autre caractéristique, l'organe de tige peut comprendre une couronne de montage qui est pourvue d'une couche souple qui vient en contact étanche avec l'aimant monté sur le poussoir. Avantageusement, la couche souple maintient le joint sur la couronne de montage. De cette manière, la fixation mécanique par aimantation sert également à écraser la couche souple pour réaliser l'étanchéité. En variante, la couronne de montage est réalisée à partir d'un matériau souple chargé avec des particules ferromagnétiques ou aimantées. Dans ce cas, la couronne de montage assure une triple fonction, à savoir celles de support, de fixation mécanique par aimantation et d'étanchéité par déformation souple. Avantageusement, la couronne de montage comprend un jonc d'étanchéité écrasé par l'aimant du poussoir. Ainsi, le manchon de raccordement réalise une première barrière d'étanchéité annulaire et le jonc d'étanchéité écrasé par l'aimant réalise une seconde barrière d'étanchéité annulaire concentrique.  According to another characteristic, the rod member may comprise a mounting ring which is provided with a flexible layer which comes into sealing contact with the magnet mounted on the pusher. Advantageously, the flexible layer maintains the seal on the mounting ring. In this way, the mechanical attachment by magnetization also serves to crush the flexible layer to achieve sealing. Alternatively, the mounting ring is made from a flexible material loaded with ferromagnetic or magnetized particles. In this case, the mounting ring provides a triple function, namely those of support, mechanical fastening by magnetization and sealing by flexible deformation. Advantageously, the mounting ring comprises a sealing ring crushed by the magnet of the pusher. Thus, the connecting sleeve provides a first annular sealing barrier and the sealing ring crushed by the magnet provides a second concentric annular sealing barrier.
L'esprit de l'invention réside dans le fait de se servir de l'attraction magnétique pour réaliser le raccordement étanche entre un poussoir et une tige d'actionnement, en évitant d'appuyer sur ou d'enfoncer la tige d'actionnement dans le corps.  The spirit of the invention lies in the fact of using the magnetic attraction to make the tight connection between a pusher and an actuating rod, avoiding pressing or pushing the actuating rod into the body.
L'invention sera maintenant plus amplement décrite en référence aux dessins joints donnant à titre d'exemples non limitatifs plusieurs modes de réalisation de l'invention. Sur les figures : The invention will now be further described with reference to the accompanying drawings which give by way of non-limiting examples several embodiments of the invention. In the figures:
La figure 1 est une vue en coupe transversale verticale à travers un distributeur de produit fluide selon un premier mode de réalisation de l'invention, avec le poussoir déconnecté de la tige d'actionnement,  FIG. 1 is a vertical cross-sectional view through a fluid dispenser according to a first embodiment of the invention, with the pusher disconnected from the actuating rod,
La figure 2 est une vue similaire à celle de la figure 1 avec le poussoir raccordé à la tige d'actionnement,  FIG. 2 is a view similar to that of FIG. 1 with the pusher connected to the actuating rod;
La figure 3 est une vue fortement agrandie de la partie supérieure de la figure 2,  FIG. 3 is a greatly enlarged view of the upper part of FIG. 2,
La figure 4 est une vue similaire à celle de la figure 3 pour un deuxième mode de réalisation de l'invention, et  FIG. 4 is a view similar to that of FIG. 3 for a second embodiment of the invention, and
La figure 5 est une vue similaire aux figures 3 et 4 pour un troisième mode de réalisation de l'invention.  Figure 5 is a view similar to Figures 3 and 4 for a third embodiment of the invention.
On se référera tout d'abord aux figures 1 à 3 pour décrire en détail le premier mode de réalisation de l'invention. Le dispositif de distribution de produit fluide peut être une pompe ou une valve : sur les figures, il s'agit d'une pompe. Ce dispositif de distribution est associé à un réservoir de produit fluide R comportant un col C. Ce réservoir R n'est pas critique pour la présente invention, et de ce fait, il peut présenter les configurations les plus diverses et être réalisé dans n'importe quel matériau approprié. Il suffit qu'il soit apte à contenir un produit fluide et présenter une ouverture au niveau d'un col.  Reference will firstly be made to FIGS. 1 to 3 to describe in detail the first embodiment of the invention. The fluid dispenser device may be a pump or a valve: in the figures, it is a pump. This dispensing device is associated with a fluid reservoir R comprising a neck C. This reservoir R is not critical for the present invention, and therefore it can have the most diverse configurations and be realized in n ' any suitable material. It is sufficient that it is able to contain a fluid and have an opening at a neck.
Le dispositif de distribution de produit fluide de l'invention comprend un corps 1 , qui est ici un corps de pompe, une tige d'actionnement 2, un poussoir 3 et des moyens de raccordement 4, 5 pour raccorder le poussoir 3 à la tige d'actionnement 2.  The fluid dispensing device of the invention comprises a body 1, which is here a pump body, an actuating rod 2, a pusher 3 and connecting means 4, 5 for connecting the pusher 3 to the stem actuator 2.
Le corps de pompe 1 comprend de manière conventionnelle un tube plongeur 1 1 qui permet d'acheminer du produit fluide jusqu'à un clapet d'entrée 12 formant l'entrée d'une chambre de pompe 13 délimitée par la tige d'actionnement 2 qui comprend un piston 21 et forme un clapet de sortie 22. Le corps de pompe 1 comprend également une collerette supérieure saillante 14 par laquelle le corps est maintenu sur le col C du réservoir R, par exemple à l'aide d'une bague de fixation 15 associée à un joint de col 16. La bague de fixation 15 peut être de toute nature, par exemple une bague à sertir comme c'est le cas sur les figures, une bague à visser ou encore une bague à encliqueter. Le fonctionnement de la pompe est tout à fait conventionnel : en enfonçant la tige d'actionnement 2 dans le corps 1 à encontre d'un ressort de rappel, le volume de la chambre 13 diminue et met le produit fluide qu'il contient sous pression. Ceci a pour effet de plaquer le clapet d'entrée 12 en position fermée et d'ouvrir le clapet de sortie 22 de sorte que le produit fluide sous pression peut trouver une issue à travers la tige d'actionnement 2 qui forme un conduit interne 23. Il s'agit là d'une conception tout à fait classique pour une pompe dans le domaine de la parfumerie, de la cosmétique ou encore de la pharmacie. Optionnellement, une frette d'habillage 17 est engagée autour de la bague de fixation 15, du col C et de la tige d'actionnement 2, pour des raisons esthétiques, ou parfois même fonctionnelles. The pump body 1 conventionally comprises a plunger tube 1 1 for conveying fluid to an inlet valve 12 forming the inlet of a pump chamber 13 delimited by the actuating rod 2 which comprises a piston 21 and forms an outlet valve 22. The pump body 1 also comprises a projecting upper flange 14 through which the body is held on the neck C of the tank R, for example by means of a ring of attachment 15 associated with a neck seal 16. The fixing ring 15 can be of any kind, for example a crimp ring as is the case in the figures, a screw ring or a snap ring. The operation of the pump is quite conventional: by pressing the actuating rod 2 into the body 1 against a return spring, the volume of the chamber 13 decreases and puts the fluid it contains under pressure . This has the effect of pressing the inlet valve 12 in the closed position and opening the outlet valve 22 so that the fluid under pressure can find an outlet through the actuating rod 2 which forms an internal conduit 23 This is a quite classic design for a pump in the field of perfumery, cosmetics or pharmacy. Optionally, a trim band 17 is engaged around the fixing ring 15, the neck C and the actuating rod 2, for aesthetic reasons, or sometimes even functional.
Le poussoir 3 comprend un manchon de raccordement 31 dont l'extrémité inférieure forme avantageusement un cordon d'étanchéité saillant 32. Le manchon de raccordement 31 définit intérieurement un canal interne de produit fluide 33 qui mène jusqu'à un orifice de distribution 34, qui peut par exemple être formé par un gicleur pour réaliser une pulvérisation. Il s'agit là d'une conception tout à fait classique pour un poussoir qui remplit une fonction de distribution.  The pusher 3 comprises a connecting sleeve 31 whose lower end advantageously forms a protruding sealing bead 32. The connecting sleeve 31 internally defines an internal channel of fluid product 33 which leads to a dispensing orifice 34, which can for example be formed by a nozzle to perform a spray. This is a quite classic design for a pusher that performs a distribution function.
Selon l'invention, le poussoir 3 forme un logement annulaire 35 autour du manchon de raccordement 31 . Un aimant 5, qui est avantageusement un aimant permanent, est reçu dans ce logement 35. L'aimant 5 peut présenter une forme annulaire ou cylindrique de manière à s'engager autour du manchon de raccordement 35. En variante, l'aimant 5 peut être constitué de plusieurs plots d'aimants répartis à l'intérieur du logement 35. A la place de l'aimant 5, on peut également prévoir un élément ferromagnétique, par exemple à base de fer, de nickel, de cobalt. L'aimant 5 ou l'élément ferromagnétique constitue un organe de poussoir formant une partie des moyens d'aimantation de l'invention. L'aimant 5 ou l'élément ferromagnétique peut être directement inséré dans le logement 35 : en variante, il peut être monté sur une couronne engagée dans le logement 35. According to the invention, the pusher 3 forms an annular housing 35 around the connecting sleeve 31. A magnet 5, which is advantageously a permanent magnet, is received in this housing 35. The magnet 5 may have an annular or cylindrical shape so as to engage around the connecting sleeve 35. In a variant, the magnet 5 may consist of several magnet pads distributed inside the housing 35. In place of the magnet 5, it is also possible to provide a ferromagnetic element, for example based on iron, nickel or cobalt. The magnet 5 or the ferromagnetic element constitutes a pusher member forming part of the magnetization means of the invention. The magnet 5 or the ferromagnetic element can be directly inserted in the housing 35: alternatively, it can be mounted on a ring engaged in the housing 35.
D'autre part, la tige d'actionnement 2, au niveau de son extrémité libre, est pourvue d'un organe de tige 4 en tant que moyens de raccordement destinés à coopérer avec l'aimant 5 du poussoir 3. Ces moyens de raccordement 4, dans ce premier mode de réalisation de l'invention, comprennent une couronne de montage 41 qui est montée par emmanchage en force autour de l'extrémité libre de la tige d'actionnement 2. Cette couronne de montage 41 peut par exemple être réalisée en matière plastique. Elle sert de support à un élément ferromagnétique qui se présente sous la forme d'une capsule ferromagnétique 43 qui s'étend au moins sur le dessus de la couronne 41 , et avantageusement sur sa périphérie de manière à former une enveloppe. La capsule ferromagnétique 43 peut être maintenue sur la couronne de montage 41 par emmanchement en force. Du fait de ces propriétés ferromagnétiques, la capsule 43 est attirée par l'aimant 5 du poussoir 3 qui est disposé en regard. L'aimant 5 peut venir en contact direct de la capsule ferromagnétique 43, comme on peut le voir sur les figures 2 et 3. Cette attraction magnétique assure le maintien du poussoir 3 sur la tige d'actionnement 2 avec une force suffisante. En d'autres termes, les moyens d'aimantation constitués par l'aimant 5 et la capsule ferromagnétique 43 permettent de réaliser une fixation mécanique du poussoir 3 sur la tige d'actionnement 2.  On the other hand, the actuating rod 2, at its free end, is provided with a rod member 4 as connecting means for cooperating with the magnet 5 of the pusher 3. These connection means 4, in this first embodiment of the invention, comprise a mounting ring 41 which is mounted by force-fitting around the free end of the actuating rod 2. This mounting ring 41 can for example be made made of plastic It serves as a support for a ferromagnetic element which is in the form of a ferromagnetic capsule 43 which extends at least on the top of the ring 41, and advantageously on its periphery so as to form an envelope. The ferromagnetic capsule 43 can be held on the mounting ring 41 by press fitting. Because of these ferromagnetic properties, the capsule 43 is attracted by the magnet 5 of the pusher 3 which is arranged opposite. The magnet 5 can come into direct contact with the ferromagnetic capsule 43, as can be seen in FIGS. 2 and 3. This magnetic attraction ensures that the pusher 3 is held on the actuating rod 2 with sufficient force. In other words, the magnetization means constituted by the magnet 5 and the ferromagnetic capsule 43 make it possible to mechanically fix the pusher 3 on the actuating rod 2.
Le contact intime entre la face inférieure de l'aimant 5 et la capsule ferromagnétique 43 pourrait garantir l'étanchéité au niveau du raccordement du conduit interne 23 sur le canal interne 33. Toutefois, selon l'invention, il est prévu d'assurer cette étanchéité en prévoyant un joint annulaire 42 qui est monté sur la couronne de montage 41 et avantageusement maintenu en place par la capsule ferromagnétique 43. On peut en effet remarquer que la partie supérieure annulaire de la capsule ferromagnétique 43 s'étend radialement vers l'intérieur jusque sur le joint annulaire 42. La couronne de montage 41 peut être réalisée avec un évidement approprié pour recevoir le joint annulaire 42 de manière à ce que sa périphérie externe soit maintenue par la capsule ferromagnétique 43. The intimate contact between the lower face of the magnet 5 and the ferromagnetic capsule 43 could guarantee the seal at the level of the connection of the internal conduit 23 to the internal channel 33. However, according to the invention, provision is made for this sealing by providing an annular seal 42 which is mounted on the mounting ring 41 and advantageously held in place by the ferromagnetic capsule 43. It may indeed be noted that the annular upper portion of the ferromagnetic capsule 43 extends radially inwards up to the annular seal 42. The mounting ring 41 may be made with a recess suitable for receiving the an annular seal 42 so that its outer periphery is held by the ferromagnetic capsule 43.
Ainsi, lorsque le poussoir 3 est rapporté sur les moyens de raccordement 4, l'aimant 5 se plaque contre la capsule ferromagnétique 43, et simultanément, le manchon de raccordement 31 vient en contact avec le joint annulaire 42. Le cordon d'étanchéité saillant 32 déforme localement le joint annulaire 42 pour garantir une étanchéité parfaite. De cette manière, le conduit interne 23 est rabouté de manière parfaitement étanche au conduit interne 33. De plus, l'attraction magnétique générée par l'aimant 5 et la capsule 43 garantit une fixation satisfaisante du poussoir 3 sur la tige d'actionnement, notamment lors des phases de distribution.  Thus, when the pusher 3 is attached to the connection means 4, the magnet 5 is pressed against the ferromagnetic capsule 43, and simultaneously, the connecting sleeve 31 comes into contact with the annular seal 42. The protruding sealing bead 32 locally deforms the annular seal 42 to ensure a perfect seal. In this way, the inner conduit 23 is perfectly sealed to the inner conduit 33. In addition, the magnetic attraction generated by the magnet 5 and the capsule 43 ensures satisfactory attachment of the pusher 3 on the actuating rod, especially during the distribution phases.
On se référera maintenant à la figure 4 qui montre un second mode de réalisation de l'invention. Le réservoir de produit fluide, le corps 1 et la tige d'actionnement 2 peuvent être strictement identiques ou similaires à ceux du premier mode de réalisation. Le poussoir 3 peut également être identique ou similaire à celui du premier mode de réalisation : il comprend notamment un aimant 5 ou un élément ferromagnétique reçu directement ou indirectement dans le logement de réception 35 formé autour du manchon de raccordement 31 qui forme de préférence un cordon d'étanchéité saillant 32 à son extrémité inférieure. Dans ce second mode de réalisation, les moyens de raccordement comprennent un organe de tige 4' formant une couronne de montage 41 ' qui est emmanchée en force autour de l'extrémité libre de la tige d'actionnement 2, comme dans le mode de réalisation précédent. Toutefois, cette couronne de montage 41 ' est réalisée en un matériau ferromagnétique ou aimanté. Ainsi, elle remplit une double fonction, à savoir celles de support et de fixation mécanique par attraction magnétique. La couronne 41 ' associé à l'aimant 5 constituent ainsi des moyens d'aimantation. La couronne de montage 41 ' supporte également un joint annulaire 42 destiné à être déformé par le manchon de raccordement 31 pour réaliser un aboutement étanche du conduit interne 23 sur le canal interne 33. La couronne de montage 41 ' peut venir en contact direct avec l'aimant 5. En variante représentée sur la figure 4, la couronne de montage 41 ' est pourvue d'une couche souple 45 au niveau de sa face supérieure qui est destinée à venir en contact avec l'aimant 5. En d'autres termes, la couche souple 45 est interposée et écrasée entre l'aimant 5 et la couronne de montage 41 '. La couche souple 45 peut être de toute nature. Elle peut par exemple être réalisée en un matériau élastomère. Elle permet de réaliser un contact doux entre l'aimant 5 et la couronne de montage 41 '. De plus, de par son écrasement, elle permet de réaliser une seconde barrière d'étanchéité autour de la première barrière formée par l'écrasement du joint annulaire 42'. La couche souple 45 peut s'étendre vers l'intérieur jusque sur le joint annulaire 42' pour le maintenir sur la couronne de montage 41 ', de manière sensiblement similaire au premier mode de réalisation. Le bord interne de la couche souple 45 peut même venir en contact étanche avec le manchon de raccordement 31 pour réaliser une étanchéité supplémentaire. En variante, la couche souple 45 peut être solidaire de l'aimant 5, et non pas de la couronne de montage 41 '. Bien que non représenté, il est envisageable de se passer du joint annulaire 42' et de réaliser un aboutement direct entre le manchon de raccordement 31 et l'extrémité supérieure de la tige d'actionnement 2, l'étanchéité étant entièrement garantie par la couche souple 45. Reference will now be made to FIG. 4 which shows a second embodiment of the invention. The fluid reservoir, the body 1 and the actuating rod 2 may be strictly identical or similar to those of the first embodiment. The pusher 3 may also be identical or similar to that of the first embodiment: it comprises in particular a magnet 5 or a ferromagnetic element received directly or indirectly in the receiving housing 35 formed around the connecting sleeve 31 which preferably forms a cord protruding seal 32 at its lower end. In this second embodiment, the connection means comprise a rod member 4 'forming a mounting ring 41' which is force-fitted around the free end of the actuating rod 2, as in the embodiment previous. However, this mounting ring 41 'is made of a ferromagnetic or magnetized material. Thus, it performs a dual function, namely those of support and mechanical attachment by magnetic attraction. The ring 41 'associated with the magnet 5 thus constitute magnetization means. The mounting ring 41 'also supports an annular seal 42 intended to be deformed by the connecting sleeve 31 to provide a sealing abutment of the inner conduit 23 on the inner channel 33. The mounting ring 41' can come into direct contact with the 5. As a variant shown in FIG. 4, the mounting ring 41 'is provided with a flexible layer 45 with level of its upper face which is intended to come into contact with the magnet 5. In other words, the flexible layer 45 is interposed and crushed between the magnet 5 and the mounting ring 41 '. The flexible layer 45 can be of any kind. It may for example be made of an elastomeric material. It allows a soft contact between the magnet 5 and the mounting ring 41 '. In addition, because of its crushing, it allows for a second sealing barrier around the first barrier formed by the crushing of the annular seal 42 '. The flexible layer 45 may extend inwardly to the annular seal 42 'to maintain it on the mounting ring 41', substantially similar to the first embodiment. The inner edge of the flexible layer 45 may even come into sealing contact with the connecting sleeve 31 to provide additional sealing. Alternatively, the flexible layer 45 may be integral with the magnet 5, and not the mounting ring 41 '. Although not shown, it is conceivable to dispense with the annular seal 42 'and to make a direct abutment between the connecting sleeve 31 and the upper end of the actuating rod 2, the seal being entirely guaranteed by the layer flexible 45.
En se référant à la figure 5, on voit un troisième mode de réalisation de l'invention dans lequel le corps 1 , la tige d'actionnement 2 et le poussoir 3 peuvent être identiques ou similaires à ceux des deux modes de réalisation précédents. Seuls les moyens de raccordement diffèrent des modes de réalisation précédents. En effet, ces moyens de raccordement comprennent un organe de tige 4" uniquement constitué d'une couronne de montage 41 " qui est emmanchée en force autour de l'extrémité libre de la tige d'actionnement 2. Cette couronne de montage 41 " est réalisée à partir d'un matériau souple, tel qu'un élastomère, qui est chargé avec des particules ferromagnétiques ou aimantées 46 qui sont noyées dans la masse de la couronne de montage 41 ". Ainsi, cette couronne de montage 41 " remplit une triple fonction, à savoir celles de support, de fixation mécanique par aimantation et d'étanchéité par déformation. En effet, l'aimant 5 du poussoir 3 peut venir en contact direct avec la couronne de montage 41 ", qui est avantageusement pourvue d'un ou plusieurs jonc(s) torique(s) 47 qui font saillie sur la face supérieure de la couronne de montage 41 ". Ces joncs toriques 47 sont légèrement déformés par l'aimant 5 de manière à créer une ou plusieurs barrière(s) annulaire(s) d'étanchéité. D'autre part, l'extrémité inférieure du manchon de raccordement 31 , qui optionnellement est pourvue d'un cordon d'étanchéité saillant 32, vient également en contact avec la couronne de montage 41 " pour la déformer, et ainsi créer une barrière étanche. Sans sortir du cadre de l'invention, on peut se passer des joncs annulaires 47 ou du cordon saillant 32. On peut également prévoir que le manchon de raccordement 31 vienne en contact direct avec l'extrémité supérieure de la tige d'actionnement 2. Referring to Figure 5, there is shown a third embodiment of the invention in which the body 1, the actuating rod 2 and the pusher 3 may be identical or similar to those of the two previous embodiments. Only the connection means differ from the previous embodiments. Indeed, these connecting means comprise a rod member 4 "consisting solely of a mounting ring 41" which is force-fitted around the free end of the actuating rod 2. This mounting ring 41 "is made from a flexible material, such as an elastomer, which is loaded with ferromagnetic or magnetized particles 46 which are embedded in the mass of the mounting ring 41 ". Thus, this mounting ring 41 "fulfills a triple function, namely those of support, mechanical fixing by magnetization and sealing by deformation.In fact, the magnet 5 of the pusher 3 can come into direct contact with the crown of mounting 41 ", which is advantageously provided with one or more ring (s) O (s) 47 which project on the upper face of the mounting ring 41 "These O-rings 47 are slightly deformed by the magnet 5 so as to create one or more On the other hand, the lower end of the connection sleeve 31, which optionally is provided with a protruding sealing bead 32, also comes into contact with the mounting ring (s). 41 "to deform it, and thus create a tight barrier. Without departing from the scope of the invention, annular rods 47 or projecting cord 32 can be dispensed with. It is also possible for connection sleeve 31 to come into direct contact with the upper end of actuating rod 2.
De manière très générale, l'invention permet de réaliser un raccordement mécanique du poussoir sur la tige d'actionnement en mettant en œuvre des moyens d'aimantation. Le poussoir peut être un simple poussoir sans sortie de distribution, de sorte que la fixation mécanique est suffisante. Dans le cas où le poussoir intègre un orifice de distribution et un canal interne, la fixation mécanique par attraction magnétique doit également assurer une étanchéité au niveau de l'aboutement du conduit interne 23 de la tige d'actionnement avec le canal interne 33 du poussoir. Dans tous les modes de réalisation, on peut remarquer que l'organe de tige, et plus particulièrement la couronne de montage, est interposé entre le conduit 23 et le canal 33 de manière à former une section de passage de produit fluide. La couronne de montage est avantageusement emmanchée de manière étanche autour de la tige d'actionnement 2 et remplit individuellement ou cumulativement une fonction de support, une fonction de fixation, une fonction d'étanchéité et/ou une fonction de passage de produit fluide.  In a very general manner, the invention makes it possible to make a mechanical connection of the pusher on the actuating rod by implementing magnetization means. The pusher can be a simple pusher without dispensing outlet, so that the mechanical attachment is sufficient. In the case where the pusher integrates a dispensing orifice and an internal channel, the mechanical attachment by magnetic attraction must also ensure a seal at the abutment of the inner conduit 23 of the actuating rod with the internal channel 33 of the pusher . In all the embodiments, it may be noted that the rod member, and more particularly the mounting ring, is interposed between the conduit 23 and the channel 33 so as to form a fluid product passage section. The mounting ring is advantageously fitted tightly around the actuating rod 2 and fills individually or cumulatively a support function, a fixing function, a sealing function and / or a fluid product flow function.

Claims

Revendications claims
1 . - Dispositif de distribution de produit fluide, tel qu'une pompe ou une valve, destiné à être associé à un réservoir de produit fluide (R) pour constituer un distributeur de produit fluide, le dispositif de distribution comprenant un corps (1 ) destiné à être monté fixement sur le réservoir de produit fluide (R), une tige d'actionnement (2) qui se déplace axialement en va-et-vient dans le corps (1 ) et un poussoir (3) monté sur la tige d'actionnement (2) par des moyens de raccordement (4 ; 4' ; 4", 5) comprenant des moyens d'aimantation (43 ; 41 ', 41 ", 5) pour générer une liaison par attraction magnétique entre la tige d'actionnement (2) et le poussoir (3), les moyens de raccordement (4 ; 4' ; 4", 5) comprenant un organe de tige (4 ; 4' ; 4") engagé autour de la tige d'actionnement (2) et un organe de poussoir (5) solidaire du poussoir (3), la tige d'actionnement (2) définissant un conduit interne de produit fluide (23) et le poussoir (3) formant un manchon de raccordement (31 ) définissant un canal interne de produit fluide (33) qui mène à un orifice de distribution (34), 1. - Device for dispensing fluid product, such as a pump or a valve, intended to be associated with a fluid reservoir (R) to form a fluid dispenser, the dispensing device comprising a body (1) for to be fixedly mounted on the fluid reservoir (R), an actuating rod (2) which moves axially back and forth in the body (1) and a pusher (3) mounted on the actuating rod (2) by connecting means (4; 4 '; 4 ", 5) comprising magnetization means (43; 41', 41", 5) for generating a magnetic attraction connection between the actuating rod ( 2) and the pusher (3), the connecting means (4; 4 '; 4 ", 5) comprising a rod member (4; 4'; 4") engaged around the actuating rod (2) and a pusher member (5) integral with the pusher (3), the actuating rod (2) defining an internal conduit of fluid product (23) and the pusher (3) forming a raccoon sleeve means (31) defining an internal channel of fluid product (33) which leads to a dispensing orifice (34),
caractérisé en ce que l'organe de tige (4 ; 4' ; 4") est déformé par le manchon de raccordement (31 ) du poussoir (3), raboutant ainsi le conduit (23) au canal (33) de manière étanche.  characterized in that the rod member (4; 4 '; 4 ") is deformed by the connecting sleeve (31) of the pusher (3), thus blocking the duct (23) to the channel (33) in a sealed manner.
2. - Dispositif de distribution selon la revendication 1 , dans lequel les moyens d'aimantation comprennent un aimant (5) monté sur le poussoir (3), et un élément ferromagnétique et/ou aimanté (43 ; 41 ', 41 ") formé par l'organe de tige (4, 4' ; 4"). 2. - Dispensing device according to claim 1, wherein the magnetization means comprise a magnet (5) mounted on the pusher (3), and a ferromagnetic and / or magnetized element (43; 41 ', 41 ") formed by the rod member (4, 4 ', 4 ").
3. - Dispositif de distribution selon la revendication 1 ou 2, dans lequel l'organe de tige (4 ; 4' ; 4") est interposé entre le conduit (23) et le canal (33) de manière à former une section de passage de produit fluide. 3. - Dispensing device according to claim 1 or 2, wherein the rod member (4; 4 '; 4 ") is interposed between the conduit (23) and the channel (33) so as to form a section of passage of fluid product.
4. - Dispositif de distribution selon l'une quelconque des revendications précédentes, dans lequel l'organe de tige (4, 4' ; 4") comprend une couronne de montage (41 ; 41 ' ; 41 ") qui est emmanchée de manière étanche sur la tige d'actionnement (2). 4. - Dispensing device according to any one of the preceding claims, wherein the rod member (4, 4 '; 4 ") comprises a mounting ring (41; 41'; 41") which is fitted in a manner sealed on the actuating rod (2).
5. - Dispositif de distribution selon la revendication 4, dans lequel la tige d'actionnement (2) définit un bord supérieur annulaire, la couronne de montage (41 ; 41 ' ; 41 ") s'étendant axialement au-dessus de ce bord supérieur annulaire de manière à former une section de passage de produit fluide. 5. - Dispensing device according to claim 4, wherein the actuating rod (2) defines an annular upper edge, the mounting ring (41; 41 '; 41 ") extending axially above this edge annular upper so as to form a fluid passage section.
6. - Dispositif de distribution selon l'une quelconque des revendications précédentes, dans lequel l'organe de tige (4 ; 4') comprend une couronne de montage (41 ; 41 ') supportant un joint (42 ; 42') comprimé par le manchon de raccordement (31 ) du poussoir (3). The dispensing device according to any one of the preceding claims, wherein the stem member (4; 4 ') comprises a mounting ring (41; 41') carrying a seal (42; 42 ') compressed by the connection sleeve (31) of the pusher (3).
7. - Dispositif de distribution selon la revendication 6, dans lequel le manchon de raccordement (31 ) forme un cordon d'étanchéité saillant (32) qui déforme localement le joint (42 ; 42'). 7. - Dispensing device according to claim 6, wherein the connecting sleeve (31) forms a protruding sealing bead (32) which locally deforms the seal (42; 42 ').
8. - Dispositif de distribution selon la revendication 6 ou 7, dans lequel la couronne de montage (41 ) supporte une capsule ferromagnétique ou aimantée (43). 8. - Dispensing device according to claim 6 or 7, wherein the mounting ring (41) supports a ferromagnetic or magnetized capsule (43).
9. - Dispositif de distribution selon la revendication 8, dans lequel la capsule ferromagnétique ou aimantée (43) maintient le joint (42) sur la couronne de montage (41 ). 9. - Dispensing device according to claim 8, wherein the ferromagnetic or magnetized capsule (43) maintains the seal (42) on the mounting ring (41).
10. - Dispositif de distribution selon l'une quelconque des revendications précédentes , dans lequel l'organe de tige (4') comprend une couronne de montage (41 ') qui est pourvue d'une couche souple (45) qui vient en contact étanche avec l'aimant (5) monté sur le poussoir (3). 10. - Dispensing device according to any one of the preceding claims, wherein the rod member (4 ') comprises a mounting ring (41') which is provided with a flexible layer (45) which comes into sealing contact with the magnet (5) mounted on the pusher (3).
1 1 . - Dispositif de distribution selon la revendication 10, dans lequel la couche souple (45) maintient le joint (42') sur la couronne de montage (41 '). 1 1. - Dispensing device according to claim 10, wherein the flexible layer (45) holds the seal (42 ') on the mounting ring (41').
12. - Dispositif de distribution selon l'une quelconque des revendications 1 à 5, dans lequel l'organe de tige (4") comprend une couronne de montage (41 ") qui est réalisée à partir d'un matériau souple chargé avec des particules ferromagnétiques ou aimantées (46). 12. - Dispensing device according to any one of claims 1 to 5, wherein the rod member (4 ") comprises a mounting ring (41") which is made from a flexible material loaded with ferromagnetic or magnetized particles (46).
13. - Dispositif de distribution selon la revendication 1 1 , dans lequel la couronne de montage (41 ") comprend un jonc d'étanchéité (47) écrasé par l'aimant (5) du poussoir (3). 13. - Dispensing device according to claim 1 1, wherein the mounting ring (41 ") comprises a sealing ring (47) crushed by the magnet (5) of the pusher (3).
14. - Dispositif de distribution selon la revendication 1 , dans lequel les moyens d'aimantation comprennent un aimant formé par l'organe de tige, et un élément ferromagnétique ou aimanté monté sur le poussoir. 14. - Dispensing device according to claim 1, wherein the magnetization means comprise a magnet formed by the rod member, and a ferromagnetic or magnetic element mounted on the pusher.
EP14718651.4A 2013-03-06 2014-03-04 Fluid product dispensing device Active EP2964392B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1352008A FR3002926B1 (en) 2013-03-06 2013-03-06 DEVICE FOR DISPENSING FLUID PRODUCT.
PCT/FR2014/050484 WO2014135788A1 (en) 2013-03-06 2014-03-04 Fluid product dispensing device

Publications (2)

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EP2964392A1 true EP2964392A1 (en) 2016-01-13
EP2964392B1 EP2964392B1 (en) 2017-05-03

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US (1) US9440248B2 (en)
EP (1) EP2964392B1 (en)
KR (1) KR20150120959A (en)
CN (1) CN105026052B (en)
BR (1) BR112015021011B1 (en)
ES (1) ES2632244T3 (en)
FR (1) FR3002926B1 (en)
WO (1) WO2014135788A1 (en)

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FR3027536B1 (en) * 2014-10-27 2016-12-23 Aptar France Sas FLUID PRODUCT DISPENSER.
FR3037569B1 (en) * 2015-06-18 2017-07-21 Aptar France Sas AXIAL MAGNETIC ATTRACTION DEVICE.
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US10492552B2 (en) * 2016-11-17 2019-12-03 Rainmaker Solutions, Inc. Hydration and audio system
US20180193676A1 (en) * 2016-11-17 2018-07-12 Rainmaker Solutions, Inc. Hydration and air cooling system
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US20230039396A1 (en) * 2018-01-19 2023-02-09 Rainmaker Solutions, Inc. Hydration system and components thereof

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CN105026052B (en) 2017-07-25
FR3002926A1 (en) 2014-09-12
FR3002926B1 (en) 2016-02-19
ES2632244T3 (en) 2017-09-12
CN105026052A (en) 2015-11-04
BR112015021011B1 (en) 2021-02-17
WO2014135788A1 (en) 2014-09-12
US20140252043A1 (en) 2014-09-11
US9440248B2 (en) 2016-09-13
KR20150120959A (en) 2015-10-28
EP2964392B1 (en) 2017-05-03
BR112015021011A2 (en) 2017-07-18

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