EP4164807B1 - Attachement element for a dispensing pump - Google Patents
Attachement element for a dispensing pump Download PDFInfo
- Publication number
- EP4164807B1 EP4164807B1 EP21736633.5A EP21736633A EP4164807B1 EP 4164807 B1 EP4164807 B1 EP 4164807B1 EP 21736633 A EP21736633 A EP 21736633A EP 4164807 B1 EP4164807 B1 EP 4164807B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- segments
- retaining
- attachment member
- faces
- annular
- 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.)
- Active
Links
- 238000000465 moulding Methods 0.000 claims description 20
- 239000012530 fluid Substances 0.000 claims description 12
- 230000005489 elastic deformation Effects 0.000 claims description 4
- 230000002829 reductive effect Effects 0.000 claims description 4
- 238000010137 moulding (plastic) Methods 0.000 claims description 2
- 230000000284 resting effect Effects 0.000 claims description 2
- 239000000047 product Substances 0.000 description 7
- 239000011324 bead Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002537 cosmetic Substances 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Images
Classifications
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- 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
- B05B11/1049—Attachment arrangements comprising a deformable or resilient ferrule clamped or locked onto the neck of the container by displacing, e.g. sliding, a sleeve surrounding the ferrule
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- 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
- B65D83/38—Details of the container body
-
- 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
- B05B11/105—Sealing arrangements around pump actuating stem
Definitions
- the present invention relates to a fixing member or ring intended to mount a distribution member on a neck of a tank.
- This type of fixing ring is used in the fields of perfumery, cosmetics or pharmacy to permanently or removably mount dispensing devices, such as pumps, valves, caps, etc., on a tank for fluid product, granules or powder.
- the fastener generally defines a vertical axis of symmetry and includes a skirt engaged with (in or around) the neck, an annular plate resting axially on the neck, with an optional gasket crushed between them, and a receiving socket in which the fixing flange of the distribution member is received fixedly.
- This receiving sleeve defines a receiving housing which is formed by a molding pin which is forcefully removed during demoulding.
- This receiving housing includes an annular entry rib which projects inwardly and thus reduces the opening of the receiving housing.
- the fixing flange of the body of the distribution member is held in the receiving housing by this annular inlet rib.
- the annular inlet rib is in the form of a continuous annular bead of constant section.
- the molding pin which forms the receiving housing exerts a significant stress on the annular entry rib.
- the molding pin made of metal, therefore deforms the rib.
- the goal is for this deformation to be temporary and elastic, and not permanent.
- the rib must not be grated, scraped, rolled up, or even rolled by the spit. Care must be taken to ensure that the rib remains as intact as possible. Very often, the rib is slightly damaged. In order to give increased elastic deformability to the rib during demolding, it It is common to form it at the level of a cylindrical wall which allows reversible expansion.
- the rib In other cases, the rib must be placed lower, for example at the level of the annular plate, which only offers a very limited elastic deformation capacity. Unplugging then very often leads to damage to the annular rib.
- the aim of the present invention is to preserve as much as possible the integrity of the annular entry rib during demolding. In other words, the rib must remain in its original molded state after the casting pin is removed. Another goal is not to complicate the molding and demolding operation, nor to impose a particular plastic material.
- the present invention proposes that the annular inlet rib comprise retaining segments intended to engage with the fixing collar and demolding segments intended to engage with the molding pin during demolding.
- the demolding segments are constrained by the demolding pin and the retaining segments remain unstressed by the pin and are therefore intact. It does not matter if the demolding segments are damaged during demolding, since they do not participate in holding the collar.
- the stripping segments act as guards or shields for the retaining segments, placing themselves first in the spindle's unplugging path.
- the conventional protruding bead has been segmented and that only part of the bead will fulfill its function of maintaining the flange in the housing, while the other part of the bead has been dedicated to demoulding or unpinning to preserve the part dedicated to maintenance.
- the retaining segments and the demolding segments respectively comprise retaining faces and cam faces which face the interior of the receiving housing, the cam faces defining a slope relative to the vertical axis which is larger than that of the retaining faces.
- the greater slope of the demolding segments ensures that the pin, when withdrawing, will attack the cam faces of the demolding segments and move away from the retaining faces of the retaining segments.
- the molding pin is in contact with both the retaining faces and the cam faces, since it is what formed them.
- the pin will only remain in contact with the cam faces, due to their increased slope: the retaining faces will be moved radially outwards without contact with the pin, but via the demoulding segments, which are moved radially outwards, even if it means being damaged by the spindle in passing.
- the slope of the cam faces relative to that of the retained faces is greater by 1 to 10 degrees, advantageously by 2 to 6 degrees and preferably of the order of 3 to 5 degrees.
- the retaining segments and the demoulding segments can be arranged alternately. They can be joined or separated by slots. For example, ten retaining segments and ten demoulding segments can be provided interspersed.
- the retaining segments may be more protruding radially inwards than the demoulding segments.
- the retaining segments may have an axial height greater than that of the demolding segments.
- the demolding segments can be roughly in the form of a mini-retaining segment.
- the demolding faces can be offset axially downwards relative to the retaining faces, so that the annular entry rib has a crenellated upper configuration.
- the present invention has a very particular advantage when the annular inlet rib is located in axial proximity or substantially at the same axial level as the annular plate, so that the capacity for elastic deformation during demolding is reduced.
- the present invention also defines a fluid product dispenser comprising a fluid product reservoir, a dispensing member, such as a pump or a valve, and a fixing member as defined above, for mounting the dispensing member on the fluid reservoir.
- the object of the invention is based on the fact of protecting the retaining zones of the inlet rib of the receiving housing which will come into contact with the fixing flange with cam zones which are in the first line on the path unplugging and which will absorb the impact of the pin, at the risk of being damaged. This guarantees that the retaining zones come out of the unplugging intact and can fully fulfill their retaining function.
- the distributor of the figure 1 comprises a fluid product reservoir R, a distribution member P and a fixing member 1 which is the subject of the present invention.
- the distributor can also include a covering ring F which is engaged around the distribution member 1.
- the fluid product reservoir R is not critical for the present invention, so that it can be made of any suitable material and have any shape.
- the tank R includes a neck R1 which projects upwards and defines an opening R0 which allows access to the interior of the tank.
- the collar R1 includes an annular reinforcement R2 which projects outwards. Thus, this reinforcement R2 defines an annular shoulder oriented downwards.
- the neck R1 also defines an upper annular edge R3.
- the distribution member P can be a pump or a valve. It comprises a body P1 defining a fixing flange P2 and equipped with a dip tube P3.
- the distribution member P also includes an actuating rod P4 which is capped by a pusher P5.
- the actuating rod P4 is pushed inside the body P1, thus putting a dose of fluid product under pressure in the case of a pump or opening an outlet valve in the case of a valve.
- the type of distribution member P is not critical for the present invention. It is sufficient for the body P1 to include a projecting fixing flange P2.
- the fixing member 1 of the invention has axial symmetry along a vertical axis X and comprises a skirt 11 which engages with the collar R1.
- the skirt 11 comprises fixing teeth 12 which engage below the annular reinforcement R2.
- the skirt 11 can be continuous, as is the case here, or even split so as to form flexible legs separated by slots.
- the fixing member 1 also comprises an annular plate 13 which extends radially inwards from the upper end of the skirt 11. This annular plate 13 can be used to crush a neck seal G on the annular edge superior R3 of neck R1. Due to its annular configuration, the plate 13 has a very reduced radial deformation capacity.
- the fixing member 1 also comprises a receiving sleeve 14 which extends upwards from the internal periphery of the plate 13.
- This socket reception 14 comprises a cylindrical part 141 which extends upwards from the internal periphery of the plate 13 and an annular flange 142 which extends radially inwards from the upper end of the cylindrical part 141.
- the annular flange 142 forms a central opening 143 through which the actuating rod P4 of the distribution member P extends.
- the internal wall of the cylindrical part 141 forms an annular inlet rib 15 which protrudes radially inwards.
- the receiving socket 14 defines a receiving housing L whose entry is reduced by the projection of the annular entry rib 15.
- the annular fixing flange P2 of the distribution member P is housed inside this receiving housing L, surrounded by the cylindrical part 141 and sandwiched between the annular inlet rib 15 and the annular flange 142
- the distribution member P is thus held in a perfectly stable, even watertight manner, inside the receiving socket 14. This is a completely classic configuration for a fixing member in the. field of perfumery, cosmetics and even pharmacy.
- the present invention is located at the level of the annular inlet rib 15 which will now be described in detail with reference to the figures 2, 3, 4a and 4b .
- annular inlet rib 15 is not constant or regular on its periphery.
- this annular rib 15 defines an alternation of retaining segments 16 and demolding segments 17 having different configurations.
- Each retaining segment 16 is bordered by two adjacent demolding segments 17, and vice versa. Segments 16 and 17 can be joined, or on the contrary separated by slots.
- the retaining segments 16 have a height or axial extent greater than that of the demolding segments 17.
- the retaining segments 16 have a radial thickness greater than that of the demoulding segments 17. In short, the segments retaining 16 are higher and/or more projecting than the demoulding segments 17.
- the retaining segments 16 each include a retaining face 161 which is inclined upwards and towards the inside of the receiving housing L. It can be said that this retaining face 161 forms the first buttress of the retaining segment retainer 16 inside the receiving housing L. It is understood that this retaining face 161 will engage with the lower edge of the annular flange P2 of the distribution member P, if we refer again to there figure 1 .
- the demolding segments 16 each form a cam face 171 which is also oriented upwards and towards the inside of the receiving housing L.
- the cam faces 171 are not located at the same axial level as the retaining faces 161: in fact, we can see that the cam faces 171 are arranged slightly lower than the retaining faces 161, so as to give a crenellated shape to the annular rib 15.
- FIG 4a is a sectional view through a retaining rib 16. Its retaining face 161 extends with a slope which makes an angle ⁇ with respect to the vertical Y.
- figure 4b is a sectional view through a release rib 17. Its cam face 171 has a slope making an angle ⁇ relative to the vertical Y.
- the angle ⁇ is greater than the angle ⁇ .
- the angle ⁇ can be 38.5°, while the angle ⁇ can be 42°.
- the fixing member 1 is produced in a conventional manner by injection/molding of plastic material.
- a molding pin (not shown) defines an exterior imprint corresponding to the interior walls of the fixing member 1.
- the molding pin therefore comprises a molding head which forms the interior of the receiving housing L.
- the head of the molding spindle therefore comprises raised and recessed profiles which correspond in negative to the retaining segments 16 and to the segments of demoulding 17.
- this molding pin must be removed from the inside of the fixing member 1.
- the annular entry rib 15 extends radially towards the interior, so that it is necessary to remove the molding pin by force by deforming the receiving sleeve 14, and more particularly its cylindrical wall 141. This is entirely conventional in the molding of fixing members in the field of perfumery, cosmetics and even pharmacy.
- the head of the molding pin will first engage with the demolding segments 17 and leave the retaining segments unconstrained.
- the demoulding segments 17 will possibly or probably be damaged or deteriorated by the molding pin, but the retaining segments 17 will remain intact and will be able to fulfill their function of retaining the annular flange P2.
- the cam face 171 of the demoulding segments 17 has a steeper or greater slope than that of the retaining faces 161
- the demoulding pin will engage pressed against the cam faces 171 and move away from the retaining faces 161, thus leaving them intact.
- the demoulding segments 17 of the invention make it possible to produce fasteners with greater strength or an annular rib arranged near the annular plate 13, which reduces radial deformation. Indeed, it does not matter whether the demoulding segments 17 are damaged, insofar as the retaining segments 16 remain intact or practically intact.
- the demolding segments are located in direct proximity to the retaining segments, and are in sufficient number. In the example used to illustrate the present invention, there are ten retaining segments and ten release segments. The retaining and demoulding segments may extend angularly over the same or similar extents.
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Description
La présente invention concerne un organe ou bague de fixation destiné(e) à monter un organe de distribution sur un col d'un réservoir. Ce genre de bague de fixation est utilisée dans les domaines de la parfumerie, de la cosmétique ou de la pharmacie pour monter de manière définitive ou amovible des organes de distribution, tels que des pompes, des valves, des bouchons, etc., sur un réservoir de produit fluide, de granulés ou de poudre.The present invention relates to a fixing member or ring intended to mount a distribution member on a neck of a tank. This type of fixing ring is used in the fields of perfumery, cosmetics or pharmacy to permanently or removably mount dispensing devices, such as pumps, valves, caps, etc., on a tank for fluid product, granules or powder.
Dans l'art antérieur, il est connu de réaliser l'organe de fixation par moulage de manière plastique. L'organe de fixation définit généralement un axe vertical de symétrie et comprend une jupe en prise avec (dans ou autour) le col, un plateau annulaire reposant axialement sur le col, avec un joint optionnel écrasé entre eux, et une douille de réception dans laquelle la collerette de fixation de l'organe de distribution est reçue fixement. Cette douille de réception définit un logement de réception qui est formé par une broche de moulage qui est retirée en force lors du démoulage. Ce logement de réception comprend une nervure annulaire d'entrée qui fait saillie vers l'intérieur et qui réduit ainsi l'ouverture du logement de réception. La collerette de fixation du corps de l'organe de distribution est maintenue dans le logement de réception par cette nervure annulaire d'entrée. En général, la nervure annulaire d'entrée se présente sous la forme d'un bourrelet annulaire continu de section constante. Les documents
On comprend aisément que, lors du démoulage, le broche de moulage qui forme le logement de réception exerce une contrainte importante sur la nervure annulaire d'entrée. La broche de moulage, réalisée en métal, déforme donc la nervure. Le but est que cette déformation soit temporaire et élastique, et non pas définitive. La nervure ne doit pas être râpée, raclée, retroussée, ou encore laminée par la broche. Il faut veiller à ce que la nervure reste le plus intacte possible. Bien souvent, la nervure est légèrement abimée. Afin de conférer une déformabilité élastique accrue à la nervure lors du démoulage, il est courant de la former au niveau d'une paroi cylindrique qui autorise une dilatation réversible.It is easy to understand that, during demolding, the molding pin which forms the receiving housing exerts a significant stress on the annular entry rib. The molding pin, made of metal, therefore deforms the rib. The goal is for this deformation to be temporary and elastic, and not permanent. The rib must not be grated, scraped, rolled up, or even rolled by the spit. Care must be taken to ensure that the rib remains as intact as possible. Very often, the rib is slightly damaged. In order to give increased elastic deformability to the rib during demolding, it It is common to form it at the level of a cylindrical wall which allows reversible expansion.
Cependant, dans certains cas, une tenue supérieure de la collerette dans le logement de réception est exigée. Mais l'on ne peut pas augmenter la saillie radiale de la nervure, car le débrochage n'est plus possible sans l'abimer. La paroi cylindrique où est formée la nervure a aussi des limites de déformation élastique.However, in certain cases, superior retention of the flange in the receiving housing is required. But we cannot increase the radial projection of the rib, because unpinning is no longer possible without damaging it. The cylindrical wall where the rib is formed also has elastic deformation limits.
Dans d'autres cas, la nervure doit être placée plus bas, par exemple au niveau du plateau annulaire, qui n'offre qu'une capacité de déformation élastique très limitée. Le débrochage conduit alors très souvent à l'endommagement de la nervure annulaire.In other cases, the rib must be placed lower, for example at the level of the annular plate, which only offers a very limited elastic deformation capacity. Unplugging then very often leads to damage to the annular rib.
Le but de la présente invention est de préserver au maximum l'intégrité de la nervure annulaire d'entrée lors du démoulage. En d'autres termes, la nervure doit rester dans son état de moulage initial après le retrait de la broche de moulage. Un autre but est de ne pas compliquer l'opération de moulage et de démoulage, ni d'imposer un matériau plastique particulier.The aim of the present invention is to preserve as much as possible the integrity of the annular entry rib during demolding. In other words, the rib must remain in its original molded state after the casting pin is removed. Another goal is not to complicate the molding and demolding operation, nor to impose a particular plastic material.
Pour ce faire, la présente invention propose que la nervure annulaire d'entrée comprennent des segments de retenue destinés à venir en prise avec la collerette de fixation et des segments de démoulage destinés à venir en prise avec la broche de moulage lors du démoulage. Ainsi, seuls les segments de démoulage sont contraints par la broche de démoulage et les segments de retenue restent non sollicités par la broche et sont donc intacts. Peu importe que les segments de démoulage soient abimés lors du démoulage, puisqu'ils ne participent pas à la tenue de la collerette. Les segments de démoulage agissent comme des organes de protection ou des boucliers pour les segments de retenue, en se plaçant en première ligne dans le chemin de débrochage de la broche. On peut aussi dire que le bourrelet saillant conventionnel a été segmenté et que seule une partie du bourrelet va remplir sa fonction de maintien de la collerette dans le logement, alors que l'autre partie du bourrelet a été dédiée au démoulage ou débrochage pour préserver la partie dédiée au maintien.To do this, the present invention proposes that the annular inlet rib comprise retaining segments intended to engage with the fixing collar and demolding segments intended to engage with the molding pin during demolding. Thus, only the demolding segments are constrained by the demolding pin and the retaining segments remain unstressed by the pin and are therefore intact. It does not matter if the demolding segments are damaged during demolding, since they do not participate in holding the collar. The stripping segments act as guards or shields for the retaining segments, placing themselves first in the spindle's unplugging path. We can also say that the conventional protruding bead has been segmented and that only part of the bead will fulfill its function of maintaining the flange in the housing, while the other part of the bead has been dedicated to demoulding or unpinning to preserve the part dedicated to maintenance.
Avantageusement, les segments de retenue et les segments de démoulage comprennent respectivement des faces de retenue et des faces de came qui sont tournées vers l'intérieur du logement de réception, les faces de came définissant une pente par rapport à l'axe vertical qui est plus grande que celle des faces de retenue. Ainsi, la pente plus importante des segments de démoulage assure que la broche, lors de son retrait, va attaquer les faces de came des segments de démoulage et s'éloigner des faces de retenue des segments de retenue. Bien entendu, juste après le moulage et avant le démoulage, la broche de moulage est en contact à la fois des faces de retenue et des faces de came, puisque c'est elle qui les a formées. Cependant, lors du démoulage, la broche va seulement rester en contact avec les faces de came, du fait de leur pente accrue : les faces de retenue vont être déplacées radialement vers l'extérieur sans contact avec la broche, mais par l'intermédiaire des segments de démoulage, qui sont déplacés radialement vers l'extérieur, quitte même à être détériorés par la broche au passage.Advantageously, the retaining segments and the demolding segments respectively comprise retaining faces and cam faces which face the interior of the receiving housing, the cam faces defining a slope relative to the vertical axis which is larger than that of the retaining faces. Thus, the greater slope of the demolding segments ensures that the pin, when withdrawing, will attack the cam faces of the demolding segments and move away from the retaining faces of the retaining segments. Of course, just after molding and before demolding, the molding pin is in contact with both the retaining faces and the cam faces, since it is what formed them. However, during demoulding, the pin will only remain in contact with the cam faces, due to their increased slope: the retaining faces will be moved radially outwards without contact with the pin, but via the demoulding segments, which are moved radially outwards, even if it means being damaged by the spindle in passing.
A titre d'exemple non limitatif, la pente des faces de came par rapport à celle de faces de retenus est supérieure de 1 à 10 degrés, avantageusement de 2 à 6 degrés et de préférence de l'ordre de 3 à 5 degrés.By way of non-limiting example, the slope of the cam faces relative to that of the retained faces is greater by 1 to 10 degrees, advantageously by 2 to 6 degrees and preferably of the order of 3 to 5 degrees.
Selon une caractéristique de l'invention, les segments de retenue et les segments de démoulage peuvent être agencés de manière alternée. Ils peuvent être jointifs ou séparés par des fentes. On peut par exemple prévoir dix segments de retenue et dix segments de démoulage intercalés.According to one characteristic of the invention, the retaining segments and the demoulding segments can be arranged alternately. They can be joined or separated by slots. For example, ten retaining segments and ten demoulding segments can be provided interspersed.
Selon un autre aspect, les segments de retenue peuvent être plus saillants radialement vers l'intérieur que les segments de démoulage. En variante ou en plus, les segments de retenue peuvent présenter une hauteur axiale plus grande que celle des segments de démoulage. Les segments de démoulage peuvent se présenter grossièrement sous la forme d'un mini-segment de retenue.According to another aspect, the retaining segments may be more protruding radially inwards than the demoulding segments. Alternatively or in addition, the retaining segments may have an axial height greater than that of the demolding segments. The demolding segments can be roughly in the form of a mini-retaining segment.
D'autre part, les faces de démoulage peuvent être décalées axialement vers le bas par rapport aux face de retenue, de sorte que la nervure annulaire d'entrée présente une configuration supérieure crénelée.On the other hand, the demolding faces can be offset axially downwards relative to the retaining faces, so that the annular entry rib has a crenellated upper configuration.
La présente invention présente un avantage tout particulier lorsque la nervure annulaire d'entrée est située à proximité axiale ou sensiblement au même niveau axial que le plateau annulaire, de sorte que la capacité de déformation élastique lors du démoulage est réduite.The present invention has a very particular advantage when the annular inlet rib is located in axial proximity or substantially at the same axial level as the annular plate, so that the capacity for elastic deformation during demolding is reduced.
La présente invention définit également un distributeur de produit fluide comprenant un réservoir de produit fluide, un organe de distribution, tel qu'une pompe ou une valve, et un organe de fixation tel que défini ci-dessus, pour monter l'organe de distribution sur le réservoir de produit fluide.The present invention also defines a fluid product dispenser comprising a fluid product reservoir, a dispensing member, such as a pump or a valve, and a fixing member as defined above, for mounting the dispensing member on the fluid reservoir.
L'objet de l'invention repose sur le fait de protéger les zones de retenue de la nervure d'entrée du logement de réception qui vont venir en contact avec la collerette de fixation avec des zones de came qui sont en première ligne sur le chemin de débrochage et qui vont encaisser l'impact de la broche, au risque d'être abimées. On garantit ainsi que les zones de retenue sortent intactes du débrochage et pourront pleinement remplir leur fonction de retenue.The object of the invention is based on the fact of protecting the retaining zones of the inlet rib of the receiving housing which will come into contact with the fixing flange with cam zones which are in the first line on the path unplugging and which will absorb the impact of the pin, at the risk of being damaged. This guarantees that the retaining zones come out of the unplugging intact and can fully fulfill their retaining function.
L'invention sera maintenant plus amplement décrite 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 de produit fluide selon l'invention, - La
figure 2 est une vue en section transversale verticale agrandie à travers un organe de fixation selon l'invention, - La
figure 3 est une vue en coupe transversale horizontale à travers l'organe de fixation de lafigure 2 , - La
figure 4a est une vue en coupe agrandie selon un plan de coupe passant à travers un segment de retenue de l'organe de fixation desfigures 2 et 3 , et - La
figure 4b est une vue similaire à celle defigure 4b selon un autre plan de coupe passant à travers un segment de démoulage de l'organe de fixation desfigures 2 et 3 .
- There
figure 1 is a vertical cross-sectional view through a fluid product dispenser according to the invention, - There
figure 2 is an enlarged vertical cross-sectional view through a fixing member according to the invention, - There
Figure 3 is a horizontal cross-sectional view through the fastener of thefigure 2 , - There
figure 4a is an enlarged sectional view along a section plane passing through a retaining segment of the fixing member of thefigures 2 and 3 , And - There
figure 4b is a view similar to that offigure 4b according to another cutting plane passing through a demoulding segment of the fixing member of thefigures 2 and 3 .
Le distributeur de la
Le réservoir de produit fluide R n'est pas critique pour la présente invention, de sorte qu'il peut être réalisé en n'importe quel matériau approprié et présenter une forme quelconque. Le réservoir R comprend un col R1 qui fait saillie vers le haut et définit une ouverture R0 qui permet d'accéder à l'intérieur du réservoir. Le col R1 comprend un renfort annulaire R2 qui fait saillie vers l'extérieur. Ainsi, ce renfort R2 définit un épaulement annulaire orienté vers le bas. Le col R1 définit également un bord annulaire supérieur R3.The fluid product reservoir R is not critical for the present invention, so that it can be made of any suitable material and have any shape. The tank R includes a neck R1 which projects upwards and defines an opening R0 which allows access to the interior of the tank. The collar R1 includes an annular reinforcement R2 which projects outwards. Thus, this reinforcement R2 defines an annular shoulder oriented downwards. The neck R1 also defines an upper annular edge R3.
L'organe de distribution P peut être une pompe ou une valve. Il comprend un corps P1 définissant une collerette de fixation P2 et équipée d'un tube plongeur P3. L'organe de distribution P comprend également une tige d'actionnement P4 qui est coiffé par un poussoir P5. Ainsi, par appui sur le poussoir P5, la tige d'actionnement P4 est enfoncée à l'intérieur du corps P1, mettant ainsi une dose de produit fluide sous pression dans le cas d'une pompe ou ouvrant un clapet de sortie dans le cas d'une valve. Là encore, le type d'organe de distribution P n'est pas critique pour la présente invention. Il suffit que le corps P1 comprenne une collerette saillante de fixation P2.The distribution member P can be a pump or a valve. It comprises a body P1 defining a fixing flange P2 and equipped with a dip tube P3. The distribution member P also includes an actuating rod P4 which is capped by a pusher P5. Thus, by pressing the pusher P5, the actuating rod P4 is pushed inside the body P1, thus putting a dose of fluid product under pressure in the case of a pump or opening an outlet valve in the case of a valve. Here again, the type of distribution member P is not critical for the present invention. It is sufficient for the body P1 to include a projecting fixing flange P2.
L'organe de fixation 1 de l'invention présente une symétrie axiale selon un axe vertical X et comprend une jupe 11 qui vient en prise avec le col R1. Dans le mode de réalisation utilisé pour illustrer la présente invention, la jupe 11 comprend des dents de fixation 12 qui viennent en prise en dessous du renfort annulaire R2. La jupe 11 peut être continue, comme c'est le cas ici, ou encore fendue de manière à former des pattes souples séparées par des fentes. L'organe de fixation 1 comprend également un plateau annulaire 13 qui s'étend radialement vers l'intérieur à partir de l'extrémité supérieure de la jupe 11. Ce plateau annulaire 13 peut servir à écraser un joint de col G sur le bord annulaire supérieur R3 du col R1. Du fait de sa configuration annulaire, le plateau 13 présente une capacité de déformation radiale très réduite. L'organe de fixation 1 comprend aussi une douille de réception 14 qui s'étend vers le haut à partir de la périphérie interne du plateau 13. Cette douille de réception 14 comprend une partie cylindrique 141 qui s'étend vers le haut à partir de la périphérie interne du plateau 13 et une bride annulaire 142 qui s'étend radialement vers l'intérieur à partir de l'extrémité supérieure de la partie cylindrique 141. En son centre, la bride annulaire 142 forme une ouverture centrale 143 à travers laquelle s'étend la tige d'actionnement P4 de l'organe de distribution P. La paroi interne de la partie cylindrique 141 forme une nervure annulaire d'entrée 15 qui fait saillie radialement vers l'intérieur. Ainsi, la douille de réception 14 définit un logement de réception L dont l'entrée est réduite par la saillie de la nervure annulaire d'entrée 15. On peut voir sur la
La présente invention se situe au niveau de la nervure annulaire d'entrée 15 qui sera maintenant décrite en détail en référence aux
On peut tout de suite remarquer sur la
En se référant aux
On peut également remarquer que les segments de démoulage 16 forment chacun une face de came 171 qui est également orientée vers le haut et vers l'intérieur du logement de réception L. Les faces de came 171 ne sont pas situées au même niveau axial que les faces de retenue 161 : en effet, on peut voir que les faces de came 171 sont disposées légèrement plus bas que les faces de retenue 161, de manière à conférer une forme crénelée à la nervure annulaire 15.It can also be noted that the
La
L'organe de fixation 1 est réalisé de manière classique par injection/moulage de matière plastique. Une broche de moulage (non représentée) définit une empreinte extérieure correspondant aux parois intérieures de l'organe de fixation 1. La broche de moulage comprend donc une tête de moulage qui vient former l'intérieur du logement de réception L. La tête de la broche de moulage comprend donc des profils en relief et en creux qui correspondent en négatif aux segments de retenue 16 et aux segments de démoulage 17. Après injection de la matière plastique autour de la broche de moulage, il faut retirer cette broche de moulage de l'intérieur de l'organe de fixation 1. Cependant, la nervure annulaire d'entrée 15 s'étend radialement vers l'intérieur, de sorte qu'il faut retirer la broche de moulage en force en déformant la douille de réception 14, et plus particulièrement sa paroi cylindrique 141. Ceci est tout à fait classique dans le moulage des organes de fixation dans le domaine de la parfumerie, de la cosmétique ou encore de la pharmacie.The fixing
Selon l'invention, la tête de la broche de moulage va d'abord venir en prise avec les segments de démoulage 17 et laisser les segments de retenue sans contrainte. Ainsi, les segments de démoulage 17 seront éventuellement ou probablement abimés ou détériorés par la broche de moulage, mais les segments de retenue 17 resteront intacts et pourront remplir leur fonction de retenue de la collerette annulaire P2. En effet, étant donné que la face de came 171 des segments de démoulage 17 présente une pente plus forte ou plus grande que celle des faces de retenue 161, la broche de démoulage va venir en prise appuyée contre les faces de came 171 et s'éloigner des faces de retenue 161, les laissant ainsi intactes.According to the invention, the head of the molding pin will first engage with the
Les segments de démoulage 17 de l'invention permettent de réaliser des organes de fixation avec une tenue plus importante ou une nervure annulaire disposée à proximité du plateau annulaire 13, qui réduit la déformation radiale. En effet, il importe peu que les segments de démoulage 17 soient abimés, dans la mesure où les segments de retenue 16 restent intacts ou pratiquement intacts. Afin de garantir l'intégrité des segments de retenue 16, il est préférable que les segments de démoulage soient situés à proximité directe des segments de retenue, et soient en nombre suffisant. Dans l'exemple utilisé pour illustrer la présente invention, il y a dix segments de retenue et dix segments de démoulage. Les segments de retenue et de démoulage peuvent s'étendre angulairement sur des étendues identiques ou similaires.The
Grâce à l'invention, on dispose d'un organe de fixation dont la nervure annulaire 15 du logement de réception L remplit pleinement sa fonction, étant donné que les segments de retenue 16 sont préservés par les segments de démoulage 17.Thanks to the invention, we have a fixing member whose
Claims (10)
- Attachment member (1) for mounting a distribution member (P), such as a pump or a valve, on a neck (R1) of a fluid product reservoir (R), the distribution member (P) comprising a body (P1) forming an attachment flange (P2), the attachment member (1) being produced by plastic moulding, the attachment member (1) defining a vertical axis (X, Y) and comprising:- a skirt (11) engaged with the neck (R1),- an annular plate (13) resting axially on the neck (R1), with an optional seal (G) flattened therebetween,- a receiving sleeve (14) in which the attachment flange (P2) of the distribution member (P) is fixedly received, this receiving sleeve (14) defining a receiving recess (L) formed by a moulding pin which is forcibly withdrawn on release from the mould, the receiving recess (L) comprising an inwardly projecting annular inlet rib (15) and which thus reduces the opening of the receiving recess (L), the attachment flange (R2) being held in the receiving recess (L) by this annular inlet rib (15),characterised in that the annular inlet rib (15) comprises retaining segments (16) for engaging with the attachment flange (R2) and mould release segments (17) for engaging with the moulding pin on release from the mould.
- Attachment member (1) according to claim 1, wherein the retaining segments (16) and the mould release segments (17) comprise respectively retaining faces (161) and cam faces (171) which are rotated inwards from the receiving recess (L), the cam faces (171) defining a slope with respect to the vertical axis (X, Y) which is greater than that of the retaining faces (161).
- Attachment member (1) according to claim 2, wherein the slope of the cam faces (171) with respect to that of the retaining faces (161) is greater by 1 to 10 degrees, advantageously by 2 to 6 degrees and preferably around 3 to 5 degrees.
- Attachment member (1) according to claim 1, 2 or 3, wherein the retaining segments (16) and the mould release segments (17) are arranged alternately.
- Attachment member (1) according to any one of the preceding claims, wherein the retaining segments (16) project more radially inwards than the mould release segments (17).
- Attachment member (1) according to any one of the preceding claims, wherein the retaining segments (16) have an axial height greater than that of the mould release segments (17).
- Attachment member (1) according to any one of the preceding claims, wherein the retaining segments (16) and the mould release segments (17) are joined.
- Attachment member (1) according to any one of the preceding claims, wherein the mould release faces (17) are offset axially downwards with respect to the retaining faces (16), such that the annular inlet rib (15) has an upper crenelated configuration.
- Attachment member (1) according to any one of the preceding claims, wherein the annular inlet rib (15) is located in the axial proximity or substantially at the same axial level as the annular plate (13), such that the elastic deformation capacity on release from the mould is reduced.
- Fluid product distributor comprising a fluid product reservoir (R), a distribution member (P), such as a pump or a valve, and an attachment member (1) according to any one of the preceding claims, to mount the distribution member (P) on the fluid product reservoir (R).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2006157A FR3111337B1 (en) | 2020-06-12 | 2020-06-12 | Pump fixing device |
PCT/FR2021/051036 WO2021250354A1 (en) | 2020-06-12 | 2021-06-09 | Pump attachment member |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4164807A1 EP4164807A1 (en) | 2023-04-19 |
EP4164807B1 true EP4164807B1 (en) | 2024-04-24 |
Family
ID=72266567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21736633.5A Active EP4164807B1 (en) | 2020-06-12 | 2021-06-09 | Attachement element for a dispensing pump |
Country Status (6)
Country | Link |
---|---|
US (1) | US20230219108A1 (en) |
EP (1) | EP4164807B1 (en) |
CN (1) | CN116157208A (en) |
BR (1) | BR112022025202A2 (en) |
FR (1) | FR3111337B1 (en) |
WO (1) | WO2021250354A1 (en) |
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US4773553A (en) * | 1985-09-12 | 1988-09-27 | Risdon Corporation | Assembly for securing and sealing a dispenser to a flanged container |
US5299703A (en) * | 1993-06-30 | 1994-04-05 | American Dispensing Systems Inc. | Device for securing a dispenser to a glass container |
US5562219A (en) * | 1994-09-22 | 1996-10-08 | Valois, S.A. | Device for attaching a dispenser member to a receptacle |
FR2784660B1 (en) * | 1998-10-20 | 2000-12-29 | Valois Sa | MEMBER AND METHOD FOR FIXING A DISPENSING DEVICE ON THE NECK OF A TANK AND DISPENSER USING SUCH A FIXING MEMBER |
US6253941B1 (en) * | 1999-01-19 | 2001-07-03 | Crown Cork & Seal Technologies Corporation | Assembly for securing and sealing a dispenser to a flanged container |
US6799690B2 (en) * | 2000-05-05 | 2004-10-05 | Valois S.A. | Attachment device to attach a pump or valve onto a recipient neck |
US6595395B2 (en) * | 2000-05-31 | 2003-07-22 | Valois S.A. | Dispenser having a fixing member, and a fixing member for such a dispenser |
FR2815617B1 (en) * | 2000-10-23 | 2003-02-14 | Valois Sa | FLUID PRODUCT DISPENSER |
ES2187341B1 (en) * | 2001-02-28 | 2004-08-16 | Saint-Gobain Calmar S.A. | CAPSULE OF A DEVICE FOR THE CLOSURE OF A BOTTLE. |
FR2823187B1 (en) * | 2001-04-04 | 2003-08-15 | Valois Sa | FIXING DEVICE FOR FIXING A DISTRIBUTION MEMBER ON A CONTAINER NECK |
FR2859983B1 (en) * | 2003-09-22 | 2006-03-10 | Valois Sas | FIXING DEVICE AND MOUNTING METHOD FOR FIXING A DISTRIBUTION MEMBER ON A TANK OPENING |
FR2880001B1 (en) * | 2004-12-23 | 2011-01-21 | Valois Sas | FLUID PRODUCT DISPENSER. |
US7780043B2 (en) * | 2005-04-25 | 2010-08-24 | Valois S.A.S | Fastener device for fastening a pump or a valve onto a receptacle neck and a fluid dispenser including such a fastener device |
ATE487543T1 (en) * | 2005-09-19 | 2010-11-15 | Valois Sas | LOCKING SLEEVE FOR FASTENING A LOCKING DEVICE AND LOCKING DEVICE |
FR2891529B1 (en) * | 2005-10-04 | 2007-12-07 | Valois Sas | RECOVERY ORGAN, PROCESS FOR PRODUCING SUCH ORGAN AND DISPENSER COMPRISING SUCH AN ORGAN |
FR2893592B1 (en) * | 2005-11-23 | 2010-08-20 | Valois Sas | RECOVERY BODY, PROCESS FOR PRODUCING SAME, AND DELIVERY DEVICE USING SAME |
FR2897851B1 (en) * | 2006-02-24 | 2008-04-25 | Valois Sas | DISPENSING DEVICE AND DISPENSER COMPRISING SUCH A DEVICE |
ITRM20070241A1 (en) * | 2007-04-24 | 2008-10-25 | Emsar Spa | CONNECTION DEVICE FOR BOTTLE MICROPUMPS. |
FR2916743B1 (en) * | 2007-05-29 | 2009-08-28 | Valois Sas | FIXING DEVICE FOR ATTACHING A PUMP TO A TANK AND DISPENSER USING SUCH A FIXING DEVICE |
FR2917650B1 (en) * | 2007-06-20 | 2011-03-18 | Valois Sas | METHOD AND DEVICE FOR PACKAGING FLUID PRODUCT DISPENSER |
FR2925034B1 (en) * | 2007-12-12 | 2009-12-18 | Valois Sas | FIXING DEVICE AND DISTRIBUTOR USING SUCH A DEVICE. |
FR2925033B1 (en) * | 2007-12-12 | 2012-10-05 | Valois Sas | FLUID PRODUCT DISPENSER. |
FR2931138B1 (en) * | 2008-05-19 | 2010-05-28 | Valois Sas | FLUID PRODUCT DISPENSER |
FR2939776B1 (en) * | 2008-12-12 | 2013-07-05 | Valois Sas | FIXING RING AND DISTRIBUTOR COMPRISING SUCH A RING. |
FR2948641B1 (en) * | 2009-07-28 | 2016-02-12 | Rexam Dispensing Sys | SYSTEM FOR FIXING A DISTRIBUTION PUMP ON THE BOTTOM OF A BOTTLE CONTAINING A FLUID PRODUCT |
FR2950613B1 (en) * | 2009-09-28 | 2011-12-23 | Valois Sas | DEVICE FOR DISPENSING FLUID PRODUCT. |
FR2954293B1 (en) * | 2009-12-17 | 2012-06-08 | Valois Sas | FLUID PRODUCT DISPENSING MEMBER. |
FR2961496B1 (en) * | 2010-06-16 | 2013-02-15 | Rexam Dispensing Sys | SYSTEM FOR DISPENSING A FLUID PRODUCT |
FR2975086B1 (en) * | 2011-05-13 | 2013-06-28 | Valois Sas | FLUID PRODUCT DISPENSER. |
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FR2998198B1 (en) * | 2012-11-22 | 2015-05-29 | Aptar France Sas | FLUID PRODUCT DISPENSING MEMBER. |
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FR3033844B1 (en) * | 2015-03-20 | 2018-08-10 | Aptar France Sas | MANUAL PUMP. |
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DE102016014898A1 (en) * | 2016-12-12 | 2018-06-14 | Aptar Dortmund Gmbh | Pump and dispenser |
FR3098129B1 (en) * | 2019-07-01 | 2021-07-02 | Aptar France Sas | Fluid product dispenser |
US11382398B2 (en) * | 2020-10-05 | 2022-07-12 | Samhwa Co., Ltd | Cosmetic container |
-
2020
- 2020-06-12 FR FR2006157A patent/FR3111337B1/en active Active
-
2021
- 2021-06-09 EP EP21736633.5A patent/EP4164807B1/en active Active
- 2021-06-09 CN CN202180061326.3A patent/CN116157208A/en active Pending
- 2021-06-09 BR BR112022025202A patent/BR112022025202A2/en unknown
- 2021-06-09 WO PCT/FR2021/051036 patent/WO2021250354A1/en unknown
- 2021-06-09 US US18/001,207 patent/US20230219108A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP4164807A1 (en) | 2023-04-19 |
WO2021250354A1 (en) | 2021-12-16 |
BR112022025202A2 (en) | 2023-01-03 |
FR3111337B1 (en) | 2022-06-03 |
CN116157208A (en) | 2023-05-23 |
FR3111337A1 (en) | 2021-12-17 |
US20230219108A1 (en) | 2023-07-13 |
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