EP3310683A1 - Axial magnetic attraction device - Google Patents

Axial magnetic attraction device

Info

Publication number
EP3310683A1
EP3310683A1 EP16741073.7A EP16741073A EP3310683A1 EP 3310683 A1 EP3310683 A1 EP 3310683A1 EP 16741073 A EP16741073 A EP 16741073A EP 3310683 A1 EP3310683 A1 EP 3310683A1
Authority
EP
European Patent Office
Prior art keywords
axial
removable member
ring
magnetic attraction
thrust ring
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
EP16741073.7A
Other languages
German (de)
French (fr)
Other versions
EP3310683B1 (en
Inventor
Frédéric Duquet
Thierry Hondier
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 EP3310683A1 publication Critical patent/EP3310683A1/en
Application granted granted Critical
Publication of EP3310683B1 publication Critical patent/EP3310683B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
    • B65D45/02—Clamping or other pressure-applying devices for securing or retaining closure members for applying axial pressure to engage closure with sealing surface
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • 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
    • B65D2313/00—Connecting or fastening means
    • B65D2313/04—Connecting or fastening means of magnetic type

Definitions

  • the present invention relates to a device comprising a base piece and a removable member removably mounted on the base piece, the base piece and the removable member comprising magnetic means capable of generating an axial magnetic attraction between them which is maximum in an assembled position of rest.
  • the preferred fields of application of the present invention are those of perfumery, cosmetics or even pharmacy.
  • the base piece may be integral with a fluid reservoir, and the movable member may be a plug, an applicator or a protective cover.
  • document FR1046488 describes a reservoir provided with a base piece incorporating three magnets each having a north pole and a south pole.
  • This base piece is mounted around the neck of the tank which defines an opening which communicates the interior of the tank with the outside.
  • a plug removable member
  • three ferromagnetic plates which are arranged correspondingly with the three magnets of the base piece mounted around the neck of the tank.
  • the user When the user wants to remove the cap of the base piece, he grasps it and pulls axially on it so as to pull the plug of the base piece. To do this, it must overcome the axial magnetic attraction that is generated between the magnets and the ferromagnetic wafers. It is obvious that the magnetic attraction is maximum when the cap is in contact with the base piece. Therefore, the user must overcome this maximum magnetic attraction by pulling hard on the plug. As soon as the cap is separated from the base piece, the magnetic attraction drops rapidly, due to its dependence on the square of the distance. From this In fact, the tearing of the stopper can cause a sudden movement that may result in the fluid product leaving the reservoir or losing fluid drops hanging from the stopper.
  • document FR2800040 which describes a fluid dispenser comprising a protective cover which is mounted on a base piece by means of magnetic means for orienting the cover relative to the workpiece.
  • the north / south polarity of magnets is used to impose the angular orientation of the protective cover with respect to the base piece.
  • US 8636039 discloses a fluid dispenser comprising a pusher which is removably mounted on a valve stem of a pump by magnetic means. Again, tearing the pusher requires a relatively sudden gesture that is not in line with the image that is made of a perfume dispenser.
  • EP2334571 A1 which describes a pot surmounted by a cover, magnets ensuring their interconnection.
  • the pot forms a sinuous cam path and the cover comprises a radial lug which follows the cam path, when the lid is rotated, thereby decreasing the magnetic attraction between the pot and its cover.
  • the user acts directly on the cover to drive it in rotation.
  • the present invention aims to overcome the aforementioned drawbacks of the prior art by defining a magnetic connection device of a removable member on a base piece whose removal of the removable member does not require abrupt tearing.
  • An object of the present invention is to overcome the maximum magnetic attraction without requiring the application of a corresponding axial pulling force.
  • Another object of the present invention is to avoid the use of north / south polarity.
  • Yet another object of the present invention is to provide automatic repositioning of the removable member on the base piece.
  • the device of the present invention further comprises displacement means, separate from the removable member, for axially moving the removable member away from the base piece, from the assembled rest position , by rotation of an actuating member forming part of the displacement means, in order to reduce the magnetic attraction between the base piece and the removable member, and thus facilitate removal of the removable member.
  • the user rotates the actuating member on itself, which has the direct effect of axially detaching the removable member of the base piece without rotating component.
  • Such displacement means are already known in the art for turning rotary motion into axial translational motion. However, they have never been used to move a removable member against an axial magnetic attraction.
  • the displacement means comprise an axial guide bushing fixedly mounted on the base part, an axial thrust ring which is guided axially by the axial guide sleeve and the actuating member which is mounted. rotating on the axial guide sleeve, cam means being provided between the actuating member and the axial thrust ring for biasing the axial thrust ring in axial displacement guided by the axial guide sleeve when the actuating member is rotated.
  • the axial guide sleeve comprises at least one axial groove and the axial thrust ring comprises at least one axial guide profile engaged in said at least one axial groove for guiding the axial thrust ring in axial displacement while blocking it in rotation.
  • the cam means comprise at least one inclined ramp formed by the actuating member and the axial thrust ring comprises at least one pin engaged in said at least one inclined ramp to force the pin to move on the along the ramp inclined during the rotation of the actuating member.
  • the inclined ramp has a slope such that the removable member automatically regains the assembled rest position under the action of magnetic attraction, when it is deposited on the axial thrust ring. The user can possibly push a little on the removable member until it feels that it moves of itself under the effect of the magnetic traction.
  • the inclined ramp is open at its upper end to allow commitments pin.
  • the actuating member may comprise an inner ring forming said at least one inclined ramp and an outer ring which is engaged around the inner ring.
  • the base piece can be mounted on a tank neck and the movable member is selected from plugs, applicators and protective covers.
  • the movable member is selected from plugs, applicators and protective covers.
  • the base piece comprises a skirt engaged around the neck of the reservoir, the axial guide sleeve being mounted around the skirt to block it around the neck.
  • the axial guide sleeve performs an additional function of locking or locking the skirt of the ring around the neck, which is conventionally performed with an outer annular reinforcement.
  • the movable member is entirely received in the actuating member in the assembled rest position.
  • the actuating member is protected inside the actuating member. It can not be torn off accidentally or inadvertently.
  • the magnetic means comprise a fixed magnet secured to the base piece and a movable magnet integral with the movable member, a seal being interposed between the two magnets in the assembled rest position so as to crush it by axial magnetic attraction.
  • the movable member may comprise a shoulder under which is engaged the axial thrust ring.
  • the movable member may comprise a blind space for sampling and application which is engaged in the neck of the tank in the assembled rest position.
  • the spirit of the invention lies in the fact of using a mechanical cam, distinct from the removable member (3), to overcome the maximum magnetic attraction without resorting to axial tearing of the movable member.
  • This mechanical cam transforms the pure rotation of an actuating member into a pure axial displacement (without rotation) of the movable member.
  • FIG. 1 is a vertical cross-sectional view through a distributor according to the invention in the assembled rest position
  • FIG. 2 is a view similar to that of FIG. 1 in the separated extracted position
  • FIG. 3 is an exploded perspective view of a base piece ready to be mounted on a fluid reservoir
  • FIG. 4 is an exploded perspective view of the displacement means of the invention
  • FIG. 5 is an exploded perspective view cut to show the interaction between two parts of the moving means
  • Figure 6 is an exploded perspective view of the removable member of the invention.
  • a dispenser according to the invention comprises a base part 1 on which is mounted a removable member 3, these two parts being connected to each other in the assembled position of rest by magnetic means capable of generating an axial attraction between them.
  • the base part 1 is mounted on a fluid reservoir 2, and the movable member 3 forms a plug provided with an applicator 33.
  • the present invention provides displacement means 4 which are integral with the base piece, but which are able to urge the movable member 3 in axial displacement, without rotating component, to from the assembled rest position, in which the magnetic traction is maximum.
  • the reservoir 2 can be made of any suitable material (glass, metal, plastic, ceramic, etc.) and have any shape. It can be transparent or opaque. At its upper end, it defines a neck 21 provided with a projecting annular reinforcement 22, which is extremely conventional in the fields of perfumery and cosmetic.
  • the reservoir 2 can be filled with a fluid product, preferably of low viscosity, such as perfume, lotion, serum, etc.
  • the base part 1 comprises in this particular embodiment a fixing ring 10 which forms a fixing skirt 1 1 intended to engage around the neck 21, so as to be housed under the annular reinforcement 22.
  • This skirt 1 1 is here slotted, but can also be continuous.
  • the fixing ring 10 also comprises a guide sleeve 12 which extends inside the neck 21, as can be seen in Figures 1 and 2. Its function will be given below.
  • the ring 10 also forms a receiving housing 13 for a fixed magnet 15.
  • the ring 10 can also be provided with a scraping lip 14 which is arranged just above the guide sleeve 12.
  • the ring 10 is also equipped with a neck seal 16 intended to be crushed on the upper annular edge of the neck 21 of the tank 2. Seen from above, the base part 1 forms a central opening defined by the guide sleeve 12 and the scraper lip 14, this opening being bordered by the fixed magnet 15.
  • This member 3 comprises a gripping head 31 that the user can enter manually.
  • This gripping head 31 is provided with a movable magnet 35, which is, however, fixedly secured to the head.
  • the removable member also comprises a seal 32 which extends just below the movable magnet 35.
  • the removable member 3 comprises a fluid product applicator 33 which internally defines a sampling space and application 34 in the form of a blind hole open down.
  • the applicator 33 is sealingly engaged within the scraping lip 14, as well as inside the guide sleeve 12.
  • the free lower end of the applicator 33 projects downwardly below the sleeve 12 to the inside of the neck 21 of the tank 2.
  • the axial magnetic attraction compresses the seal 32 and that the scraping lip 14 prevents any leakage of fluid between the base member 1 and the removable member 3.
  • the removal of the removable member 3 of the base part 1 requires overcoming the magnetic force generated by the magnets 15 and 35.
  • the present invention implements displacement means 4 which will act between the base part 1 and the removable member 3 to axially move the removable member 3 from the assembled rest position, in which the Magnetic attraction is maximum.
  • These displacement means 4 are distinct both from the base part 1 and the removable member 3.
  • These displacement means 4 comprise three main constituent elements, namely an axial guide sleeve 5, an axial thrust ring 6 and an actuating member 7. With respect to the reservoir 2, the sleeve 5 is fixed, the ring 6 is axially displaceable without rotation and the actuating member 7 is displaceable in rotation without axial component.
  • the sleeve 5 comprises at least one axial groove 51 which is open upwards.
  • axial grooves 51 which are distributed on the sleeve 5.
  • These axial grooves 51 are here in the form of slots or notches deep open upwards and closed downwards.
  • the axial grooves could also be in the form of axial vertical grooves formed on the inner wall of the sleeve 5.
  • the sleeve 5 is also provided at its lower end with a snap profile 52 whose function will be given here. -after.
  • the sleeve 5 is engaged around the fixing ring 10, in particular at its skirt 1 1, in order to lock or lock around the neck 21 of the tank 2. It is even possible to snap the bushing 5 under the skirt 1 1 of the ring 10. In some cases, it is important that the bushing 5 strongly urges the skirt 1 1 against the neck 21, and more particularly under the projecting annular reinforcement 22.
  • the axial thrust ring 6 internally defines a plurality of axial guide ribs 61 which are engaged in the axial grooves 51 of the sleeve 5. This is visible in FIGS. 1 and 2.
  • the ring 6 comprises several pins 62 which protrude radially outwards. It can be seen in Figures 4 and 5 that there are three pins 62 distributed around the ring 6.
  • the actuating member 7 can be made in one piece, but preferably, as in the embodiment illustrated in the figures, it consists of two parts, namely an inner ring 7a and an outer ring 7b engaged around the inner ring 7a.
  • the inner ring 7a can be made by injection molding plastic material, while the outer ring 7b can be made of metal.
  • vertical ribs 73 may be provided at the outer face of the outer ring 7a.
  • the outer ring 7a is engaged with the snap profile 52 of the sleeve 5 while allowing its rotation on a determined angular stroke. Internally, the outer ring 7a forms at least one inclined ramp 72.
  • the ring 6 By gripping the ring 7b and rotating it on itself, the ring 6 is forced to move upwards, because of the displacement of these pins 62 along the ramps 72. The ring 6 thus moves axially towards the high, without rotating component, thus exerting an axial thrust on the removable member 3, because of its engagement under the shoulder 36. It follows that the space between the magnets 15 and 35 increases and the magnetic attraction decreases until it becomes imperceptible.
  • the gripping head 31 then protrudes widely out of the actuating member, and the user can grasp it to completely separate the removable member 3 from the remainder of the dispenser. It can then deposit the contents of the space 34 on a desired application surface simply by contacting the applicator 33 with this surface. When removing the applicator 33, it is perfectly clean since it has been scraped by the lip 14. Similarly, the displacement of the removable member 3 is perfectly axial since it is guided by only by the crown 6, but also by the sleeve 12.
  • the user is not aware that there are magnets in the dispenser, even if the rotation of the band offers some resistance that comes from the magnetic attraction, but it quickly decreases from the beginning of the rotation .
  • the displacement means also make it possible to increase the force required to tear off the removable member. Indeed, the rotary movement of the hoop is much softer than a direct axial pull on the removable member.
  • the gravity accumulated with the magnetic attraction is sufficient for the removable member regains itself its place on the base part 1, by actuating the moving means in reverse direction. It is conceivable that the user should press a little on the removable member until it perceives that the removable member moves itself under the action of gravity and magnetic attraction. It can be provided to omit the lip 14 to reduce the frictional forces. This gives a surprising effect, because the magnets are hidden and virtually imperceptible at the time of removal of the removable member.
  • the present invention has been illustrated with reference to a base part 1 mounted on a tank neck and a removable member 3 in the form of an applicator plug.
  • a base part 1 mounted on another element and a removable member 3 which can for example be in the form of a single plug or a cover of protection, or even a pusher mounted on the actuating rod of a pump or a valve.
  • the invention there is a device with magnetic closure but the opening is facilitated by a mechanical cam for transforming the rotation of an actuating member in the axial translation of the removable member.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Coating Apparatus (AREA)
  • Prostheses (AREA)

Abstract

Device comprising a base part (1) and a removable member (3) mounted removably on the base part (1), the base part (1) and the removable member (3) comprising magnetic means (15, 35) that are able to generate axial magnetic attraction between one another which is at a maximum in an assembled rest position, characterized in that it also comprises movement means (4), separate from the removable member (3), for axially moving the removable member (3) away from the base part (1), starting from the assembled rest position, by rotation of an actuating member (7) that is part of the movement means (4), in order to reduce the magnetic attraction between the base part (1) and the removable member (3) and thus to make it easier to remove the removable member (3).

Description

Dispositif attraction magnétique axial  Axial magnetic attraction device
La présente invention concerne un dispositif comprenant une pièce de base et un organe amovible monté de manière amovible sur la pièce de base, la pièce de base et l'organe amovible comprenant des moyens magnétiques aptes à générer une attraction magnétique axiale entre eux qui est maximale dans une position assemblée de repos. 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 être un bouchon, un applicateur ou un capot de protection. The present invention relates to a device comprising a base piece and a removable member removably mounted on the base piece, the base piece and the removable member comprising magnetic means capable of generating an axial magnetic attraction between them which is maximum in an assembled position of rest. The preferred fields of application of the present invention are those of perfumery, cosmetics or even pharmacy. The base piece may be integral with a fluid reservoir, and the movable member may be a plug, an applicator or a protective cover.
Dans le domaine de la parfumerie, on connaît le document FR1046488 qui décrit un réservoir pourvu d'une pièce de base intégrant trois aimants ayant chacun un pôle nord et un pôle sud. Cette pièce de base est montée autour du col du réservoir qui définit une ouverture qui fait communiquer l'intérieur du réservoir avec l'extérieur. Pour obturer cette ouverture, il est prévu un bouchon (organe amovible) qui est pourvu de trois plaquettes ferromagnétiques qui sont disposées de manière correspondante avec les trois aimants de la pièce de base montée autour du col du réservoir. Lorsque le bouchon est positionné sur la pièce de base, les trois plaquettes ferromagnétiques sont disposées respectivement au-dessus de leurs aimants correspondants. L'orientation angulaire du bouchon par rapport à la pièce de base est ainsi imposée.  In the field of perfumery, document FR1046488 describes a reservoir provided with a base piece incorporating three magnets each having a north pole and a south pole. This base piece is mounted around the neck of the tank which defines an opening which communicates the interior of the tank with the outside. To seal this opening, there is provided a plug (removable member) which is provided with three ferromagnetic plates which are arranged correspondingly with the three magnets of the base piece mounted around the neck of the tank. When the cap is positioned on the base piece, the three ferromagnetic plates are respectively disposed above their corresponding magnets. The angular orientation of the cap relative to the base piece is thus imposed.
Lorsque l'utilisateur veut retirer le bouchon de la pièce de base, il le saisit et tire axialement dessus de manière à arracher le bouchon de la pièce de base. Pour ce faire, il doit surmonter l'attraction magnétique axiale qui est générée entre les aimants et les plaquettes ferromagnétiques. Il est évident que l'attraction magnétique est maximale lorsque le bouchon est en contact avec la pièce de base. Par conséquent, l'utilisateur doit surmonter cette attraction magnétique maximale en tirant fortement sur le bouchon. Dès que le bouchon est séparé de la pièce de base, l'attraction magnétique chute rapidement, du fait de sa dépendance avec le carré de la distance. De ce fait, l'arrachement du bouchon peut occasionner une gestuelle brusque qui peut avoir pour conséquence de faire sortir du produit fluide du réservoir ou encore de perdre des gouttes de produit fluide accrochées au bouchon. Et même lorsque l'arrachement du bouchon n'occasionne aucun désagrément, il n'en reste pas moins que l'utilisateur perçoit cette gestuelle comme compliquée, maladroite ou dangereuse. Le manque de douceur dû à la l'arrachement du bouchon contraste également avec l'image que l'on veut donner du distributeur, notamment lorsqu'il s'agit de parfum. When the user wants to remove the cap of the base piece, he grasps it and pulls axially on it so as to pull the plug of the base piece. To do this, it must overcome the axial magnetic attraction that is generated between the magnets and the ferromagnetic wafers. It is obvious that the magnetic attraction is maximum when the cap is in contact with the base piece. Therefore, the user must overcome this maximum magnetic attraction by pulling hard on the plug. As soon as the cap is separated from the base piece, the magnetic attraction drops rapidly, due to its dependence on the square of the distance. From this In fact, the tearing of the stopper can cause a sudden movement that may result in the fluid product leaving the reservoir or losing fluid drops hanging from the stopper. And even when the pull of the cap does not cause any inconvenience, the fact remains that the user perceives this gesture as complicated, clumsy or dangerous. The lack of softness due to the tearing of the cap also contrasts with the image that we want to give the distributor, especially when it comes to perfume.
Dans l'art antérieur, on connaît également le document FR2800040 qui décrit un distributeur de produit fluide comprenant un capot de protection qui est monté sur une pièce de base à l'aide de moyens magnétiques permettant d'orienter le capot par rapport à la pièce de base. Là encore, on se sert de la polarité nord/sud d'aimants pour imposer l'orientation angulaire du capot de protection par rapport à la pièce de base. On retrouve ainsi la même problématique due à l'arrachement que dans le document précédemment cité.  In the prior art, document FR2800040 is also known which describes a fluid dispenser comprising a protective cover which is mounted on a base piece by means of magnetic means for orienting the cover relative to the workpiece. basic. Here again, the north / south polarity of magnets is used to impose the angular orientation of the protective cover with respect to the base piece. Thus we find the same problem due to the tearing that in the previously cited document.
On connaît également le document US8636039 qui décrit un distributeur de produit fluide comprenant un poussoir qui est monté de manière amovible sur une tige de soupape d'une pompe à l'aide de moyens magnétiques. Là aussi, l'arrachement du poussoir nécessite une gestuelle relativement brusque qui n'est pas en adéquation avec l'image que l'on se fait d'un distributeur de parfum.  Also known is US 8636039 which discloses a fluid dispenser comprising a pusher which is removably mounted on a valve stem of a pump by magnetic means. Again, tearing the pusher requires a relatively sudden gesture that is not in line with the image that is made of a perfume dispenser.
Dans l'art antérieur, on connaît aussi le document EP2334571 A1 qui décrit un pot surmonté d'un couvercle, des aimants assurant leur interconnexion. De plus, le pot forme un chemin de came sinueux et le couvercle comprend un ergot radial qui suit le chemin de came, lorsque le couvercle est entraîné en rotation, diminuant ainsi l'attraction magnétique entre le pot et son couvercle. Dans ce document, l'utilisateur agit directement sur le couvercle pour l'entraîner en rotation.  In the prior art, it is also known EP2334571 A1 which describes a pot surmounted by a cover, magnets ensuring their interconnection. In addition, the pot forms a sinuous cam path and the cover comprises a radial lug which follows the cam path, when the lid is rotated, thereby decreasing the magnetic attraction between the pot and its cover. In this document, the user acts directly on the cover to drive it in rotation.
Dans l'art antérieur précité, il existe donc un dilemme entre la nécessité d'une connexion stable et solide et la recherche d'une gestuelle qui ne soit pas trop marquée par l'arrachement. En d'autres termes, si l'on met en œuvre des moyens magnétiques puissants pour garantir une bonne connexion, l'arrachement nécessitera une force considérable. En revanche, si l'on recherche une gestuelle douce avec un arrachement doux, il faut mettre en œuvre des moyens magnétiques faibles qui ne garantiront pas une connexion fiable. In the aforementioned prior art, there is therefore a dilemma between the need for a stable and solid connection and the search for a gesture that is not too marked by tearing. In other words, if we put powerful magnetic means to ensure a good connection, tearing will require considerable force. On the other hand, if one looks for a soft gesture with a soft tearing, it is necessary to implement weak magnetic means which will not guarantee a reliable connection.
La présente invention a pour but de remédier aux inconvénients précités de l'art antérieur en définissant un dispositif de connexion magnétique d'un organe amovible sur une pièce de base dont l'enlèvement de l'organe amovible ne nécessite pas d'arrachement brutal. Un objet de la présente invention est de pouvoir surmonter l'attraction magnétique maximale sans nécessiter l'application d'une force axiale correspondante d'arrachement. Un autre objet de la présente invention est d'éviter l'utilisation de la polarité nord/sud. Encore un autre but de la présente invention est d'assurer un repositionnement automatique de l'organe amovible sur la pièce de base.  The present invention aims to overcome the aforementioned drawbacks of the prior art by defining a magnetic connection device of a removable member on a base piece whose removal of the removable member does not require abrupt tearing. An object of the present invention is to overcome the maximum magnetic attraction without requiring the application of a corresponding axial pulling force. Another object of the present invention is to avoid the use of north / south polarity. Yet another object of the present invention is to provide automatic repositioning of the removable member on the base piece.
Pour atteindre ces différents buts, le dispositif de la présente invention comprend en outre des moyens de déplacement, distincts de l'organe amovible, pour déplacer axialement l'organe amovible en éloignement de la pièce de base, à partir de la position assemblée de repos, par rotation d'un organe d'actionnement faisant partie des moyens de déplacement, afin de réduire l'attraction magnétique entre la pièce de base et l'organe amovible, et ainsi faciliter le retrait de l'organe amovible. En d'autres termes, l'utilisateur fait tourner l'organe d'actionnement sur lui-même, ce qui a pour effet direct de décoller axialement l'organe amovible de la pièce de base sans composante rotative. De tels moyens de déplacement sont déjà connus dans la technique pour transformer un mouvement rotatif en un mouvement de translation axial. Cependant, ils n'ont jamais été utilisés pour déplacer un organe amovible à encontre d'une attraction magnétique axiale.  To achieve these different aims, the device of the present invention further comprises displacement means, separate from the removable member, for axially moving the removable member away from the base piece, from the assembled rest position , by rotation of an actuating member forming part of the displacement means, in order to reduce the magnetic attraction between the base piece and the removable member, and thus facilitate removal of the removable member. In other words, the user rotates the actuating member on itself, which has the direct effect of axially detaching the removable member of the base piece without rotating component. Such displacement means are already known in the art for turning rotary motion into axial translational motion. However, they have never been used to move a removable member against an axial magnetic attraction.
Selon une forme de réalisation pratique, les moyens de déplacement comprennent une douille de guidage axiale montée fixement sur la pièce de base, une couronne de poussée axiale qui est guidée axialement par la douille de guidage axiale et l'organe d'actionnement qui est monté rotatif sur la douille de guidage axiale, des moyens de came étant prévus entre l'organe d'actionnement et la couronne de poussée axiale pour solliciter la couronne de poussée axiale en déplacement axial guidé par la douille de guidage axiale lorsque l'organe d'actionnement est entraîné en rotation. Avantageusement, la douille de guidage axiale comprend au moins une saignée axiale et la couronne de poussée axiale comprend au moins profil de guidage axial en prise dans ladite au moins une saignée axiale pour guider la couronne de poussée axiale en déplacement axial tout en la bloquant en rotation. Encore plus avantageusement, les moyens de came comprennent au moins une rampe inclinée formé par l'organe d'actionnement et la couronne de poussée axiale comprend au moins un picot en prise dans ladite au moins une rampe inclinée pour forcer le picot à se déplacer le long de la rampe inclinée lors de la rotation de l'organe d'actionnement. De préférence, la rampe inclinée présente une pente telle que l'organe amovible regagne automatiquement la position assemblée de repos sous l'action de l'attraction magnétique, lorsqu'il est déposé sur la couronne de poussée axiale. L'utilisateur peut éventuellement pousser un peu sur l'organe amovible jusqu'à ce qu'il sente qu'il se déplace de lui-même sous l'effet de la traction magnétique. Bien entendu, afin de pouvoir retirer complètement l'organe amovible de la pièce de base, il est nécessaire que la rampe inclinée soit ouverte à son extrémité supérieure pour permettre des engagements du picot. According to a practical embodiment, the displacement means comprise an axial guide bushing fixedly mounted on the base part, an axial thrust ring which is guided axially by the axial guide sleeve and the actuating member which is mounted. rotating on the axial guide sleeve, cam means being provided between the actuating member and the axial thrust ring for biasing the axial thrust ring in axial displacement guided by the axial guide sleeve when the actuating member is rotated. Advantageously, the axial guide sleeve comprises at least one axial groove and the axial thrust ring comprises at least one axial guide profile engaged in said at least one axial groove for guiding the axial thrust ring in axial displacement while blocking it in rotation. Even more advantageously, the cam means comprise at least one inclined ramp formed by the actuating member and the axial thrust ring comprises at least one pin engaged in said at least one inclined ramp to force the pin to move on the along the ramp inclined during the rotation of the actuating member. Preferably, the inclined ramp has a slope such that the removable member automatically regains the assembled rest position under the action of magnetic attraction, when it is deposited on the axial thrust ring. The user can possibly push a little on the removable member until it feels that it moves of itself under the effect of the magnetic traction. Of course, in order to completely remove the removable member of the base member, it is necessary that the inclined ramp is open at its upper end to allow commitments pin.
Selon un autre aspect pratique de l'invention, l'organe d'actionnement peut comprendre une bague interne formant ladite au moins une rampe inclinée et une frette externe qui est en prise autour de la bague interne. Il s'agit là d'une forme de réalisation pratique permettant de réaliser la rampe inclinée dans une pièce en matière plastique et de réaliser la frette externe en métal.  According to another practical aspect of the invention, the actuating member may comprise an inner ring forming said at least one inclined ramp and an outer ring which is engaged around the inner ring. This is a practical embodiment for making the ramp inclined in a plastic part and to achieve the outer metal ring.
Dans le cadre de la présente invention, la pièce de base peut être montée sur un col de réservoir et l'organe mobile est choisi parmi les bouchons, les applicateurs et les capots de protection. On peut même envisager de mettre en œuvre la présente invention avec un poussoir monté sur une tige d'actionnement d'une pompe ou d'une valve. In the context of the present invention, the base piece can be mounted on a tank neck and the movable member is selected from plugs, applicators and protective covers. We can also consider implementing the present invention with a pusher mounted on an actuating rod of a pump or a valve.
Avantageusement, la pièce de base comprend une jupe en prise autour du col du réservoir, la douille de guidage axiale étant montée autour de la jupe pour la bloquer autour du col. Ainsi, la douille de guidage axiale remplit une fonction supplémentaire de blocage ou de verrouillage de la jupe de la bague autour du col, qui est conventionnellement réalisée avec un renfort annulaire externe.  Advantageously, the base piece comprises a skirt engaged around the neck of the reservoir, the axial guide sleeve being mounted around the skirt to block it around the neck. Thus, the axial guide sleeve performs an additional function of locking or locking the skirt of the ring around the neck, which is conventionally performed with an outer annular reinforcement.
Selon un autre aspect avantageux de l'invention, l'organe mobile est entièrement reçu dans l'organe d'actionnement en position assemblée de repos. Ainsi, il est protégé à l'intérieur de l'organe d'actionnement. Il ne peut pas être arraché de manière accidentelle ou intempestive.  According to another advantageous aspect of the invention, the movable member is entirely received in the actuating member in the assembled rest position. Thus, it is protected inside the actuating member. It can not be torn off accidentally or inadvertently.
Selon un mode de réalisation pratique, les moyens magnétiques comprennent un aimant fixe solidaire de la pièce de base et un aimant mobile solidaire de l'organe mobile, un joint d'étanchéité étant interposé entre les deux aimants en position assemblée de repos de manière à l'écraser par l'attraction magnétique axiale.  According to a practical embodiment, the magnetic means comprise a fixed magnet secured to the base piece and a movable magnet integral with the movable member, a seal being interposed between the two magnets in the assembled rest position so as to crush it by axial magnetic attraction.
Toujours dans un esprit pratique, l'organe mobile peut comprendre un épaulement sous lequel est engagée la couronne de poussée axiale.  Still in a practical spirit, the movable member may comprise a shoulder under which is engaged the axial thrust ring.
Selon un mode de réalisation, l'organe mobile peut comprendre un espace borgne de prélèvement et d'application qui est engagé dans le col du réservoir en position assemblée de repos.  According to one embodiment, the movable member may comprise a blind space for sampling and application which is engaged in the neck of the tank in the assembled rest position.
L'esprit de l'invention réside dans le fait d'utiliser une came mécanique, distincte de l'organe amovible (3), pour surmonter l'attraction magnétique maximale sans recourir à un arrachement axial de l'organe mobile. Cette came mécanique transforme la rotation pure d'un organe d'actionnement en un déplacement axial pur (sans rotation) de l'organe mobile.  The spirit of the invention lies in the fact of using a mechanical cam, distinct from the removable member (3), to overcome the maximum magnetic attraction without resorting to axial tearing of the movable member. This mechanical cam transforms the pure rotation of an actuating member into a pure axial displacement (without rotation) of the movable member.
L'invention sera maintenant décrite plus en détail en référence aux dessins joints, donnant à titre d'exemple non limitatif, un mode 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 example, an embodiment of the invention.
Sur les figures : La figure 1 est une vue en coupe transversale verticale à travers un distributeur selon l'invention en position assemblée de repos, In the figures: FIG. 1 is a vertical cross-sectional view through a distributor according to the invention in the assembled rest position,
La figure 2 est une vue similaire à celle de la figure 1 en position extraite séparée,  FIG. 2 is a view similar to that of FIG. 1 in the separated extracted position,
La figure 3 est une vue en perspective éclatée d'une pièce de base prête à être montée sur un réservoir de produit fluide,  FIG. 3 is an exploded perspective view of a base piece ready to be mounted on a fluid reservoir,
La figure 4 est une vue en perspective éclatée des moyens de déplacement de l'invention,  FIG. 4 is an exploded perspective view of the displacement means of the invention,
La figure 5 est une vue en perspective éclatée et découpée pour montrer l'interaction entre deux pièces des moyens de déplacement, et  FIG. 5 is an exploded perspective view cut to show the interaction between two parts of the moving means, and
La figure 6 est une vue en perspective éclatée de l'organe amovible de l'invention.  Figure 6 is an exploded perspective view of the removable member of the invention.
Comme on peut le voir sur les figures 1 et 2, un distributeur selon l'invention comprend une pièce de base 1 sur laquelle est monté un organe amovible 3, ces deux pièces étant connectées l'une à l'autre en position assemblée de repos par des moyens magnétiques aptes à générer une attraction axiale entre elles. Dans le mode de réalisation qui a été utilisé pour illustrer la présente invention, la pièce de base 1 est montée sur un réservoir de produit fluide 2, et l'organe mobile 3 forme un bouchon pourvu d'un applicateur 33. Pour déplacer l'organe mobile 3 par rapport à la pièce de base 1 , la présente invention prévoit des moyens de déplacement 4 qui sont solidaires de la pièce de base, mais qui sont aptes à solliciter l'organe mobile 3 en déplacement axial, sans composante rotative, à partir de la position assemblée de repos, dans laquelle la traction magnétique est maximale.  As can be seen in Figures 1 and 2, a dispenser according to the invention comprises a base part 1 on which is mounted a removable member 3, these two parts being connected to each other in the assembled position of rest by magnetic means capable of generating an axial attraction between them. In the embodiment which has been used to illustrate the present invention, the base part 1 is mounted on a fluid reservoir 2, and the movable member 3 forms a plug provided with an applicator 33. To move the movable member 3 with respect to the base part 1, the present invention provides displacement means 4 which are integral with the base piece, but which are able to urge the movable member 3 in axial displacement, without rotating component, to from the assembled rest position, in which the magnetic traction is maximum.
On se référera tout d'abord à la figure 3 pour décrire en détail la pièce de base 1 et sa coopération avec le réservoir de produit fluide. Tout d'abord, le réservoir 2 peut être réalisé en n'importe quel matériau approprié (verre, métal, matière plastique, céramique, etc.) et présenter une forme quelconque. Il peut être transparent ou opaque. A son extrémité supérieure, il définit un col 21 pourvu d'un renfort annulaire saillant 22, ce qui est extrêmement classique dans les domaines de la parfumerie et de la cosmétique. Le réservoir 2 peut être rempli d'un produit fluide, de préférence de faible viscosité, tel que du parfum, une lotion, un sérum, etc. Referring first to Figure 3 to describe in detail the base part 1 and its cooperation with the fluid reservoir. First, the reservoir 2 can be made of any suitable material (glass, metal, plastic, ceramic, etc.) and have any shape. It can be transparent or opaque. At its upper end, it defines a neck 21 provided with a projecting annular reinforcement 22, which is extremely conventional in the fields of perfumery and cosmetic. The reservoir 2 can be filled with a fluid product, preferably of low viscosity, such as perfume, lotion, serum, etc.
La pièce de base 1 comprend dans ce mode de réalisation particulier une bague de fixation 10 qui forme une jupe de fixation 1 1 destinée à venir en prise autour du col 21 , de manière à venir se loger sous le renfort annulaire 22. Cette jupe 1 1 est ici fendue, mais peut également être continue. La bague de fixation 10 comprend également un manchon de guidage 12 qui s'étend à l'intérieur du col 21 , comme on peut le voir sur les figures 1 et 2. Sa fonction sera donnée ci-après. La bague 10 forme également un logement de réception 13 pour un aimant fixe 15. La bague 10 peut également être pourvue d'une lèvre de raclage 14 qui est disposée juste au-dessus du manchon de guidage 12. La bague 10 est également équipée d'un joint de col 16 destiné à être écrasé sur le bord annulaire supérieur du col 21 du réservoir 2. Vu de dessus, la pièce de base 1 forme une ouverture centrale définie par le manchon de guidage 12 et la lèvre de raclage 14, cette ouverture étant bordée par l'aimant fixe 15.  The base part 1 comprises in this particular embodiment a fixing ring 10 which forms a fixing skirt 1 1 intended to engage around the neck 21, so as to be housed under the annular reinforcement 22. This skirt 1 1 is here slotted, but can also be continuous. The fixing ring 10 also comprises a guide sleeve 12 which extends inside the neck 21, as can be seen in Figures 1 and 2. Its function will be given below. The ring 10 also forms a receiving housing 13 for a fixed magnet 15. The ring 10 can also be provided with a scraping lip 14 which is arranged just above the guide sleeve 12. The ring 10 is also equipped with a neck seal 16 intended to be crushed on the upper annular edge of the neck 21 of the tank 2. Seen from above, the base part 1 forms a central opening defined by the guide sleeve 12 and the scraper lip 14, this opening being bordered by the fixed magnet 15.
On se référera maintenant à la figure 6 pour décrire en détail un mode de réalisation de l'organe amovible 3. Cet organe 3 comprend une tête de préhension 31 que l'utilisateur peut saisir manuellement. Cette tête de préhension 31 est pourvue d'un aimant mobile 35, qui est toutefois solidaire fixement de la tête. L'organe amovible comprend également un joint d'étanchéité 32 qui s'étend juste en dessous de l'aimant mobile 35. Enfin, l'organe amovible 3 comprend un applicateur de produit fluide 33 qui définit intérieurement un espace de prélèvement et d'application 34 sous la forme d'un trou borgne ouvert vers le bas. Sur la figure 1 , on peut voir l'organe amovible 3 dans la position assemblée de repos, dans laquelle les deux aimants 15 et 35 ne sont séparés que par le joint d'étanchéité 32. On peut également remarquer que l'applicateur 33 est engagé de manière étanche à l'intérieur de la lèvre de raclage 14, de même qu'à l'intérieur du manchon de guidage 12. L'extrémité inférieure libre de l'applicateur 33 fait saillie vers le bas en dessous du manchon 12 à l'intérieur du col 21 du réservoir 2. Dans cette configuration assemblée de repos, on comprend aisément que l'attraction magnétique axiale comprime le joint d'étanchéité 32 et que la lèvre de raclage 14 empêche toute fuite de produit fluide entre la pièce de base 1 et l'organe amovible 3. On comprend également que le retrait de l'organe amovible 3 de la pièce de base 1 nécessite de surmonter la force magnétique générée par les aimants 15 et 35. Referring now to Figure 6 to describe in detail an embodiment of the removable member 3. This member 3 comprises a gripping head 31 that the user can enter manually. This gripping head 31 is provided with a movable magnet 35, which is, however, fixedly secured to the head. The removable member also comprises a seal 32 which extends just below the movable magnet 35. Finally, the removable member 3 comprises a fluid product applicator 33 which internally defines a sampling space and application 34 in the form of a blind hole open down. In Figure 1, we can see the removable member 3 in the assembled position of rest, in which the two magnets 15 and 35 are separated only by the seal 32. It can also be noted that the applicator 33 is sealingly engaged within the scraping lip 14, as well as inside the guide sleeve 12. The free lower end of the applicator 33 projects downwardly below the sleeve 12 to the inside of the neck 21 of the tank 2. In this assembled configuration of rest, it is easy to understand that the axial magnetic attraction compresses the seal 32 and that the scraping lip 14 prevents any leakage of fluid between the base member 1 and the removable member 3. It is also understood that the removal of the removable member 3 of the base part 1 requires overcoming the magnetic force generated by the magnets 15 and 35.
Pour ce faire, la présente invention met en œuvre des moyens de déplacement 4 qui vont agir entre la pièce de base 1 et l'organe amovible 3 pour déplacer axialement l'organe amovible 3 à partir de la position assemblée de repos, dans laquelle l'attraction magnétique est maximale. Ces moyens de déplacement 4 sont distincts à la fois de la pièce de base 1 et l'organe amovible 3. Ces moyens de déplacement 4 comprennent trois éléments constitutifs principaux, à savoir une douille de guidage axiale 5, une couronne de poussée axiale 6 et un organe d'actionnement 7. Par rapport au réservoir 2, la douille 5 est fixe, la couronne 6 est déplaçable axialement sans rotation et l'organe d'actionnement 7 est déplaçable en rotation sans composante axiale. En se référant également aux figures 4 et 5, on peut voir que la douille 5 comprend au moins une saignée axiale 51 qui est ouverte vers le haut. Sur la figure 4, on peut distinguer trois rainures axiales 51 qui sont réparties sur la douille 5. Ces saignées axiales 51 se présentent ici sous la forme de fentes ou d'échancrures profondes ouvertes vers le haut et fermées vers le bas. Les saignées axiales pourraient également se présenter sous la forme de rainures verticales axiales formées sur la paroi intérieure de la douille 5. La douille 5 est également pourvue au niveau de son extrémité inférieure d'un profil d'encliquetage 52 dont la fonction sera donnée ci-après. Comme on peut le voir sur les figures 1 et 2, la douille 5 est engagée autour de la bague de fixation 10, notamment au niveau de sa jupe 1 1 , afin de la bloquer ou de la verrouiller autour du col 21 du réservoir 2. On peut même prévoir d'encliqueter la douille 5 sous la jupe 1 1 de la bague 10. Dans certains cas, il est important que la douille 5 sollicite fortement la jupe 1 1 contre le col 21 , et plus particulièrement sous le renfort annulaire saillant 22. To do this, the present invention implements displacement means 4 which will act between the base part 1 and the removable member 3 to axially move the removable member 3 from the assembled rest position, in which the Magnetic attraction is maximum. These displacement means 4 are distinct both from the base part 1 and the removable member 3. These displacement means 4 comprise three main constituent elements, namely an axial guide sleeve 5, an axial thrust ring 6 and an actuating member 7. With respect to the reservoir 2, the sleeve 5 is fixed, the ring 6 is axially displaceable without rotation and the actuating member 7 is displaceable in rotation without axial component. Referring also to Figures 4 and 5, it can be seen that the sleeve 5 comprises at least one axial groove 51 which is open upwards. In Figure 4, one can distinguish three axial grooves 51 which are distributed on the sleeve 5. These axial grooves 51 are here in the form of slots or notches deep open upwards and closed downwards. The axial grooves could also be in the form of axial vertical grooves formed on the inner wall of the sleeve 5. The sleeve 5 is also provided at its lower end with a snap profile 52 whose function will be given here. -after. As can be seen in Figures 1 and 2, the sleeve 5 is engaged around the fixing ring 10, in particular at its skirt 1 1, in order to lock or lock around the neck 21 of the tank 2. It is even possible to snap the bushing 5 under the skirt 1 1 of the ring 10. In some cases, it is important that the bushing 5 strongly urges the skirt 1 1 against the neck 21, and more particularly under the projecting annular reinforcement 22.
On peut également remarquer que l'extrémité supérieure de la douille fait saillie verticalement vers le haut au-delà de la bague de fixation 10. La couronne de poussée axiale 6 définit intérieurement plusieurs nervures axiales de guidage 61 qui sont engagées dans les saignées axiales 51 de la douille 5. Ceci est visible sur les figures 1 et 2. Sur sa face externe, la couronne 6 comprend plusieurs picots 62 qui font saillie radialement vers l'extérieur. On peut deviner sur les figures 4 et 5 qu'il y a trois picots 62 répartis autour de la couronne 6. It may also be noted that the upper end of the sleeve protrudes vertically upwards beyond the fixing ring 10. The axial thrust ring 6 internally defines a plurality of axial guide ribs 61 which are engaged in the axial grooves 51 of the sleeve 5. This is visible in FIGS. 1 and 2. On its external face, the ring 6 comprises several pins 62 which protrude radially outwards. It can be seen in Figures 4 and 5 that there are three pins 62 distributed around the ring 6.
L'organe d'actionnement 7 peut être réalisé de manière monobloc, mais de préférence, comme dans le mode de réalisation illustré sur les figures, il est constitué de deux pièces, à savoir une bague interne 7a et une frette externe 7b engagée autour de la bague interne 7a. La bague interne 7a peut être réalisée par injection moulage de matière plastique, alors que la frette externe 7b peut être réalisée en métal. Pour améliorer la tenue de la frette 7b sur la bague interne 7a, on peut prévoir des nervures verticales 73 au niveau de la face externe de la bague externe 7a. La bague externe 7a est en prise avec le profil d'encliquetage 52 de la douille 5 tout en permettant sa rotation sur une course angulaire déterminée. Intérieurement, la bague externe 7a forme au moins une rampe inclinée 72. Sur les figures, on peut deviner trois rampes inclinées 72 formées dans la paroi interne de la bague externe 7a. Ces rampes inclinées 72 sont ouvertes vers le haut, c'est-à-dire au niveau du bord supérieur de la bague externe 7a. Ainsi, il est possible d'engager les picots 62 de la couronne 6 à l'intérieur des rampes 72 en les introduisant par l'extrémité supérieure ouverte des rampes. De ce fait, la couronne de poussée axiale 6 est à la fois en prise avec la douille 5 au niveau de ces nervures axiales 61 et avec la bague externe 7a au niveau des rampes inclinées 72. La couronne 6 est ainsi disposée autour de la douille 5 et à l'intérieur de la bague externe 7a.  The actuating member 7 can be made in one piece, but preferably, as in the embodiment illustrated in the figures, it consists of two parts, namely an inner ring 7a and an outer ring 7b engaged around the inner ring 7a. The inner ring 7a can be made by injection molding plastic material, while the outer ring 7b can be made of metal. To improve the holding of the hoop 7b on the inner ring 7a, vertical ribs 73 may be provided at the outer face of the outer ring 7a. The outer ring 7a is engaged with the snap profile 52 of the sleeve 5 while allowing its rotation on a determined angular stroke. Internally, the outer ring 7a forms at least one inclined ramp 72. In the figures, one can guess three inclined ramps 72 formed in the inner wall of the outer ring 7a. These inclined ramps 72 are open upwards, that is to say at the upper edge of the outer ring 7a. Thus, it is possible to engage the pins 62 of the ring 6 inside the ramps 72 by introducing them through the open upper end of the ramps. As a result, the axial thrust ring 6 is in engagement with the bushing 5 at these axial ribs 61 and with the outer ring 7a at the inclined ramps 72. The ring 6 is thus arranged around the bushing 5 and inside the outer ring 7a.
On comprend alors aisément qu'une rotation de l'organe d'actionnement 7, en le saisissant par sa frette 7b, contraint les picots 62 à se déplacer le long des rampes 72, étant donné que la couronne 6 est bloquée en rotation par l'engagement de ces nervures de guidage 61 dans les saignées axiales 51 de la douille 5. Dans la configuration assemblée de repos de la figure 1 , les picots 62 sont situés à l'extrémité inférieure des rampes 72, et les nervures de guidage 61 sont engagées à fond dans les saignées axiales 51 . L'extrémité supérieure de la couronne 6 est positionnée sous l'épaulement 36 de l'organe amovible 3 sans la solliciter. Il n'est pas possible de saisir la tête de préhension 31 , étant donné qu'elle est entièrement reçue à l'intérieur de l'organe d'actionnement 7, et plus particulièrement de la frette 7b. It is then easily understood that a rotation of the actuating member 7, by grasping it by its hoop 7b, forces the pins 62 to move along the ramps 72, since the ring 6 is locked in rotation by the engagement of these guide ribs 61 in the axial grooves 51 of the sleeve 5. In the assembled rest configuration of FIG. 1, the pins 62 are situated at the lower end of the ramps 72, and the guide ribs 61 are fully engaged in the axial grooves 51. The upper end of the ring 6 is positioned under the shoulder 36 of the removable member 3 without the stress. It is not possible to grip the gripping head 31, since it is completely received inside the actuating member 7, and more particularly the hoop 7b.
En saisissant la frette 7b et en la faisant tourner sur elle-même, la couronne 6 est contrainte de se déplacer vers le haut, du fait du déplacement de ces picots 62 le long des rampes 72. La couronne 6 se déplace ainsi axialement vers le haut, sans composante rotative, exerçant ainsi une poussée axiale sur l'organe amovible 3, du fait de son engagement sous l'épaulement 36. Il s'ensuit que l'espace entre les aimants 15 et 35 augmente et l'attraction magnétique diminue jusqu'à devenir imperceptible. La tête de préhension 31 fait alors largement saillie hors de l'organe d'actionnement, et l'utilisateur peut la saisir pour séparer complètement l'organe amovible 3 du restant du distributeur. Il peut alors déposer le contenu de l'espace 34 sur une surface d'application souhaitée en mettant tout simplement en contact l'applicateur 33 avec cette surface. Lors du retrait de l'applicateur 33, celui-ci est parfaitement propre étant donné qu'il a été raclé par la lèvre 14. De même, le déplacement de l'organe amovible 3 est parfaitement axial étant donné qu'il est guidé non seulement par la couronne 6, mais également par le manchon 12.  By gripping the ring 7b and rotating it on itself, the ring 6 is forced to move upwards, because of the displacement of these pins 62 along the ramps 72. The ring 6 thus moves axially towards the high, without rotating component, thus exerting an axial thrust on the removable member 3, because of its engagement under the shoulder 36. It follows that the space between the magnets 15 and 35 increases and the magnetic attraction decreases until it becomes imperceptible. The gripping head 31 then protrudes widely out of the actuating member, and the user can grasp it to completely separate the removable member 3 from the remainder of the dispenser. It can then deposit the contents of the space 34 on a desired application surface simply by contacting the applicator 33 with this surface. When removing the applicator 33, it is perfectly clean since it has been scraped by the lip 14. Similarly, the displacement of the removable member 3 is perfectly axial since it is guided by only by the crown 6, but also by the sleeve 12.
L'utilisateur n'a pas conscience qu'il y a des aimants dans le distributeur, même si la rotation de la frette offre une certaine résistance qui provient de l'attraction magnétique, mais celle-ci diminue rapidement dès le début de la rotation. Les moyens de déplacement permettent aussi de démultiplier la force nécessaire à l'arrachage de l'organe amovible. En effet, le mouvement rotatif de la frette est bien plus doux qu'une traction axiale directe sur l'organe amovible.  The user is not aware that there are magnets in the dispenser, even if the rotation of the band offers some resistance that comes from the magnetic attraction, but it quickly decreases from the beginning of the rotation . The displacement means also make it possible to increase the force required to tear off the removable member. Indeed, the rotary movement of the hoop is much softer than a direct axial pull on the removable member.
Lorsque l'utilisateur veut remettre l'organe amovible en place sur la pièce de base, il le dépose dans la frette 7b sur la couronne 6. Selon l'invention, la gravité cumulée à l'attraction magnétique sont suffisantes pour que l'organe amovible regagne de lui-même sa place sur la pièce de base 1 , en actionnant les moyens de déplacement en sen inverse. On peut imaginer que l'utilisateur doive appuyer un peu sur l'organe amovible jusqu'à ce qu'il perçoive que l'organe amovible se déplace de lui-même sous l'action de la gravité et l'attraction magnétique. On peut prévoir d'omettre la lèvre 14 pour réduire les forces de frottement. Cela confère un effet surprenant, car les aimants sont masqués et pratiquement imperceptibles au moment du retrait de l'organe amovible. When the user wants to put the removable member in place on the base piece, it deposits it in the band 7b on the crown 6. According to the invention, the gravity accumulated with the magnetic attraction is sufficient for the removable member regains itself its place on the base part 1, by actuating the moving means in reverse direction. It is conceivable that the user should press a little on the removable member until it perceives that the removable member moves itself under the action of gravity and magnetic attraction. It can be provided to omit the lip 14 to reduce the frictional forces. This gives a surprising effect, because the magnets are hidden and virtually imperceptible at the time of removal of the removable member.
La présente invention a été illustrée en référence à une pièce de base 1 montée sur un col de réservoir et un organe amovible 3 sous la forme d'un bouchon applicateur. Toutefois, sans sortir du cadre de l'invention, on peut imaginer une pièce de base 1 montée sur un autre élément et un organe amovible 3 qui peut par exemple se présenter sous la forme d'un bouchon simple ou encore d'un capot de protection, voire même d'un poussoir monté sur la tige d'actionnement d'une pompe ou d'une valve.  The present invention has been illustrated with reference to a base part 1 mounted on a tank neck and a removable member 3 in the form of an applicator plug. However, without departing from the scope of the invention, one can imagine a base part 1 mounted on another element and a removable member 3 which can for example be in the form of a single plug or a cover of protection, or even a pusher mounted on the actuating rod of a pump or a valve.
Grâce à l'invention, on dispose d'un dispositif à fermeture magnétique mais dont l'ouverture est facilitée par une came mécanique permettant de transformer la rotation d'un organe d'actionnement en la translation axiale de l'organe amovible.  Thanks to the invention, there is a device with magnetic closure but the opening is facilitated by a mechanical cam for transforming the rotation of an actuating member in the axial translation of the removable member.

Claims

Revendications claims
1 . - Dispositif comprenant une pièce de base (1 ) et un organe amovible (3) monté de manière amovible sur la pièce de base (1 ), la pièce de base (1 ) et l'organe amovible (3) comprenant des moyens magnétiques (15, 35) aptes à générer une attraction magnétique axiale entre eux qui est maximale dans une position assemblée de repos, caractérisé en ce qu'il comprend en outre des moyens de déplacement (4), distincts de l'organe amovible (3), pour déplacer axialement l'organe amovible (3) en éloignement de la pièce de base (1 ), à partir de la position assemblée de repos, par rotation d'un organe d'actionnement (7) faisant partie des moyens de déplacement (4), afin de réduire l'attraction magnétique entre la pièce de base (1 ) et l'organe amovible (3), et ainsi faciliter le retrait de l'organe amovible (3). 1. - Device comprising a base piece (1) and a removable member (3) removably mounted on the base piece (1), the base piece (1) and the removable member (3) comprising magnetic means ( 15, 35) capable of generating an axial magnetic attraction between them which is maximum in an assembled rest position, characterized in that it further comprises displacement means (4), distinct from the removable member (3), for axially displacing the removable member (3) away from the base member (1), from the assembled rest position, by rotation of an actuating member (7) forming part of the moving means (4). ), in order to reduce the magnetic attraction between the base piece (1) and the removable member (3), and thus facilitate the removal of the removable member (3).
2. - Dispositif selon la revendication 1 , dans lequel les moyens de déplacement (4) comprennent une douille de guidage axiale (5) montée fixement sur la pièce de base (1 ), une couronne de poussée axiale (6) qui est guidée axialement par la douille de guidage axiale (5) et l'organe d'actionnement (7) qui est monté rotatif sur la douille de guidage axiale (5), des moyens de came (62, 72) étant prévus entre l'organe d'actionnement (7) et la couronne de poussée axiale (66) pour solliciter la couronne de poussée axiale (6) en déplacement axial guidé par la douille de guidage axiale (5) lorsque l'organe d'actionnement (7) est entraîné en rotation. 2. - Device according to claim 1, wherein the displacement means (4) comprise an axial guide sleeve (5) fixedly mounted on the base member (1), an axial thrust ring (6) which is guided axially. by the axial guide sleeve (5) and the actuating member (7) which is rotatably mounted on the axial guide sleeve (5), cam means (62, 72) being provided between the guide member actuating (7) and the axial thrust ring (66) for biasing the axial thrust ring (6) in axial displacement guided by the axial guide sleeve (5) when the actuating member (7) is rotated .
3. - Dispositif selon la revendication 2, dans lequel la douille de guidage axiale (5) comprend au moins une saignée axiale (51 ) et la couronne de poussée axiale (6) comprend au moins profil de guidage axial (61 ) en prise dans ladite au moins une saignée axiale (51 ) pour guider la couronne de poussée axiale (6) en déplacement axial tout en la bloquant en rotation. 3. - Device according to claim 2, wherein the axial guide sleeve (5) comprises at least one axial groove (51) and the axial thrust ring (6) comprises at least one axial guide profile (61) engaged in said at least one axial groove (51) for guiding the axial thrust ring (6) in axial displacement while blocking it in rotation.
4. - Dispositif selon la revendication 2 ou 3, dans lequel les moyens de came comprennent au moins une rampe inclinée (72) formé par l'organe d'actionnement (7) et la couronne de poussée axiale (6) comprend au moins un picot (62) en prise dans ladite au moins une rampe inclinée (72) pour forcer le picot (62) à se déplacer le long de la rampe inclinée (72) lors de la rotation de l'organe d'actionnement (7). 4. - Device according to claim 2 or 3, wherein the cam means comprise at least one inclined ramp (72) formed by the actuating member (7) and the axial thrust ring (6) comprises at least one pin (62) engaged with said at least one inclined ramp (72) to force the pin (62) to move along the inclined ramp (72) upon rotation of the actuating member (7).
5. - Dispositif selon la revendication 4, dans lequel la rampe inclinée (72) présente une pente telle que l'organe amovible (3) regagne automatiquement la position assemblée de repos sous l'action de l'attraction magnétique, lorsqu'il est déposé sur la couronne de poussée axiale (6). 5. - Device according to claim 4, wherein the inclined ramp (72) has a slope such that the removable member (3) automatically regains the assembled rest position under the action of magnetic attraction, when it is deposited on the axial thrust ring (6).
6. - Dispositif selon l'une quelconque des revendications précédentes, dans lequel l'organe d'actionnement (7) comprend une bague interne (7a) formant ladite au moins une rampe inclinée (72) et une frette externe (7b) qui est en prise autour de la bague interne (7a). 6. - Device according to any one of the preceding claims, wherein the actuating member (7) comprises an inner ring (7a) forming said at least one inclined ramp (72) and an outer ring (7b) which is engaged around the inner ring (7a).
7. - Dispositif selon l'une quelconque des revendications précédentes, dans lequel la pièce de base (1 ) est montée sur un col (21 ) de réservoir (2) et l'organe mobile (3) est choisi parmi les bouchons, les applicateurs et les capots de protection. 7. - Device according to any one of the preceding claims, wherein the base part (1) is mounted on a neck (21) of reservoir (2) and the movable member (3) is selected from the plugs, the applicators and protective covers.
8. - Dispositif selon la revendication 7, dans lequel la pièce de base (1 ) comprend une jupe (1 1 ) en prise autour du col (21 ) du réservoir (1 ), la douille de guidage axiale (5) étant montée autour de la jupe (1 1 ) pour la bloquer autour du col (1 ). 8. - Device according to claim 7, wherein the base piece (1) comprises a skirt (1 1) engaged around the neck (21) of the tank (1), the axial guide sleeve (5) being mounted around skirt (1 1) to block around the neck (1).
9.- Dispositif selon l'une quelconque des revendications précédentes, dans lequel l'organe mobile (3) est entièrement reçu dans l'organe d'actionnement (7) en position assemblée de repos. 9.- Device according to any one of the preceding claims, wherein the movable member (3) is fully received in the actuating member (7) in the assembled position of rest.
10.- Dispositif selon l'une quelconque des revendications précédentes, dans lequel les moyens magnétiques comprennent un aimant fixe (15) solidaire de la pièce de base (1 ) et un aimant mobile (35) solidaire de l'organe mobile (3), un joint d'étanchéité (32) étant interposé entre les deux aimants (15, 35) en position assemblée de repos de manière à l'écraser par l'attraction magnétique axiale. 10.- Device according to any one of the preceding claims, wherein the magnetic means comprise a fixed magnet (15) integral with the base member (1) and a movable magnet (35) integral with the movable member (3). , a seal (32) being interposed between the two magnets (15, 35) in the assembled rest position so as to crush it by axial magnetic attraction.
1 1 .- Dispositif selon l'une quelconque des revendications précédentes, dans lequel l'organe mobile (3) comprend un épaulement1 1 .- Device according to any one of the preceding claims, wherein the movable member (3) comprises a shoulder
(36) sous lequel est engagée la couronne de poussée axiale (6). (36) under which is engaged the axial thrust ring (6).
12.- Dispositif selon la revendication 7, dans lequel l'organe mobile (3) comprend un espace borgne de prélèvement et d'application (34) qui est engagé dans le col (1 1 ) du réservoir (1 ) en position assemblée de repos. 12.- Device according to claim 7, wherein the movable member (3) comprises a blind space for sampling and application (34) which is engaged in the neck (1 1) of the tank (1) in the assembled position of rest.
EP16741073.7A 2015-06-18 2016-06-13 Axial magnetic attraction device Active EP3310683B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1555593A FR3037569B1 (en) 2015-06-18 2015-06-18 AXIAL MAGNETIC ATTRACTION DEVICE.
PCT/FR2016/051417 WO2016203143A1 (en) 2015-06-18 2016-06-13 Axial magnetic attraction device

Publications (2)

Publication Number Publication Date
EP3310683A1 true EP3310683A1 (en) 2018-04-25
EP3310683B1 EP3310683B1 (en) 2020-04-29

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EP16741073.7A Active EP3310683B1 (en) 2015-06-18 2016-06-13 Axial magnetic attraction device

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US (1) US10894636B2 (en)
EP (1) EP3310683B1 (en)
CN (1) CN107750228B (en)
BR (1) BR112017025506B1 (en)
FR (1) FR3037569B1 (en)
WO (1) WO2016203143A1 (en)

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FR3085865B1 (en) * 2018-09-18 2020-09-25 Aptar France Sas FLUID PRODUCT DISPENSER.
FR3135972B1 (en) * 2022-05-31 2024-04-19 Albea Services Device for dispensing a fluid product with axial locking of the dispensing head

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Publication number Publication date
BR112017025506B1 (en) 2022-07-12
EP3310683B1 (en) 2020-04-29
FR3037569B1 (en) 2017-07-21
US20180290794A1 (en) 2018-10-11
CN107750228B (en) 2019-08-06
FR3037569A1 (en) 2016-12-23
US10894636B2 (en) 2021-01-19
CN107750228A (en) 2018-03-02
WO2016203143A1 (en) 2016-12-22
BR112017025506A2 (en) 2018-08-07

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