EP1370477B1 - Fluid product dispenser - Google Patents
Fluid product dispenser Download PDFInfo
- Publication number
- EP1370477B1 EP1370477B1 EP02716898A EP02716898A EP1370477B1 EP 1370477 B1 EP1370477 B1 EP 1370477B1 EP 02716898 A EP02716898 A EP 02716898A EP 02716898 A EP02716898 A EP 02716898A EP 1370477 B1 EP1370477 B1 EP 1370477B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- skirt
- opening
- section
- opening section
- zone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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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
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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
- B05B11/0005—Components or details
- B05B11/0008—Sealing or attachment arrangements between sprayer and container
- B05B11/0013—Attachment arrangements comprising means cooperating with the inner surface of the container
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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
- B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
- B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
Definitions
- the present invention relates to a fluid dispenser comprising a container, a dispensing member such as a pump or a valve and a fixing ring for fixing the dispensing member on the container.
- a fluid dispenser comprising a container, a dispensing member such as a pump or a valve and a fixing ring for fixing the dispensing member on the container.
- Such dispensers are frequently used in the field of perfumery, cosmetics or even pharmacy to dispense fluid products by manual support with a finger on a pusher.
- the present invention is more particularly concerned with a type of container forming an opening defining an inner wall which forms a narrowed opening section below which the wall is at least locally outwardly recessed to form a lower section. hollow opening.
- the fixing ring comprises receiving means for receiving the body of the dispensing member and a fixing skirt intended to be force-fitted into said opening.
- the skirt comprises an outer wall defining a first zone coming to be located at the narrowed opening section and a second zone coming to be placed at the open opening section when the skirt is pushed fully into the opening of the opening. container.
- a dispenser comprising such a fixing ring is known from US Pat. No. 3,937,366.
- the inside wall of the neck of the receptacle comprises a peripheral groove in which a rib formed on the outer wall of the skirt is snapped.
- the portion of the skirt just above the rib has a diameter smaller than that of the rib, even when the skirt is not yet fitted into the neck of the container.
- the outer profile of the skirt is perfectly complementary to the internal profile of the neck of the container.
- the shape of the groove in the inner wall of the neck is exactly complementary to the shape of the rib of the skirt.
- This system uses a ring on which is mounted a pump or a valve.
- This ring also cooperates with the inner wall of a container neck which has a narrowed opening section below which extends a recessed opening section.
- the ring is also formed with a skirt intended to engage inside the neck.
- This skirt has an outer radial projection intended to be housed in the recessed opening section which is here in the form of a simple peripheral recess formed inside the inner wall of the neck.
- This is a snap system which involves engaging the outer projection of the skirt of the ring in the internal recess of the neck.
- the skirt defines a smaller diameter section which is housed at the narrowed opening section formed just above the inner recess of the neck.
- the outer diameter of the section of the skirt located at the narrowed opening section of the neck has a smaller diameter than the latter. This is also not described in the text of this document.
- the fixing member comprises snap-fastening means adapted to be housed in said recess of the inner wall of the neck; in this case, these latching means are formed by the external projection in the embodiment of FIG. 3.
- the present invention seeks to overcome the drawbacks of the prior art by defining a fixing ring which performs both a solid attachment and a perfect seal.
- the present invention proposes that the first zone of the skirt has, before slipping of the skirt into the opening, an outer diameter greater than the inner diameter of the narrowed opening section.
- the narrowed opening section is substantially indeformable and the first zone is deformable on the narrowed opening section.
- the second zone has an outer diameter greater than the internal diameter of the narrowed opening section and less than the maximum internal diameter of the recessed opening section.
- the second zone which has been constrained radially inwards during the passage of the narrowed opening section, can thus freely expand by radial expansion outwardly at the recessed opening section. Since the second zone is not in contact with the inner wall of the neck at the recessed opening section, this facilitates the creep of material from the first zone to the second zone due to the interference created by the narrowed opening section biting into the first zone.
- the skirt is moved away from the body by an intermediate space.
- the deformation of the skirt can in no case cause a deformation of the body of the dispenser member.
- the ring comprises a peripheral flange which extends radially outwardly from the upper end of the skirt and which is intended to come into abutting contact with the opening of the container to limit the embedment depth. of the skirt in the opening.
- the flange serves as a thrust transfer member for fitting the skirt into the opening.
- the narrowed opening section is connected downwardly to the opening section recessed by a substantially frustoconical or flared transition section.
- the outer wall of the skirt cooperates after wrapping of the skirt in the opening with the narrowed opening section and the transition section to improve the fixing and sealing.
- the narrowed opening section extends upwardly with a substantially frustoconical or flared leading section.
- the outer wall of the skirt after wrapping of the skirt in the opening, can cooperate with the narrowed opening section and the leading section to improve fixation and sealing.
- the outer wall of the skirt, before plugging is cylindrical and has a constant outer diameter at the first and second zones.
- the skirt has a chamfered free bottom end to facilitate its insertion into the opening of the container.
- FIGS. 1 and 2 only the upper part of a fluid dispenser according to the invention has been shown, so that the container is represented only by its neck 10.
- the dispenser The invention comprises three constituent elements, namely a container 1, a dispensing member 2 and a fixing ring 3.
- the container 1 is here provided with a neck 10 which protrudes upwards from the container body whose function is to store fluid product.
- the neck 10 defines an opening that allows communication inside the container.
- the container in which there is no protruding neck, but simply an opening in the body of the container.
- the end portion of the neck 10 is located directly at the shoulder 110. We can then speak of opening without neck.
- the protruding neck is therefore not an indispensable element in the present invention. It is enough that there is an opening with certain characteristics.
- the neck 10 comprises an inner wall 11 which is not cylindrical, but instead has a narrowed opening section 13 below which is defined a section of recessed opening 14.
- the narrowed opening section 13 is located near the outlet of the neck which forms at this location an upper end 12 of annular shape.
- the narrowed opening section 13 is connected to the upper end 12 by a frustoconical or flared leading section 15.
- the narrowed opening section 13 is connected to the recessed opening section 14 by a tapered or flared transition section 16.
- the tapered opening section 13 may be substantially cylindrical.
- the recessed opening section 14 may also be of substantially cylindrical section.
- the recessed opening section 14 is in the form of a peripheral recess which extends over a certain height of the neck, which extends downwards by another section of diameter substantially equal to that of the tapered opening section 13. It is also conceivable that the recessed opening section is in the form of a plurality of recesses distributed over the inner periphery of the neck. In other words, regardless of the shape of the recessed opening section 14, it must have at least locally an internal diameter greater than that of the narrowed opening section 13. In the embodiment of FIGS., the tapered opening section 13 is cylindrical, and the recessed opening section 14 extends downwardly from the tapered opening section 13 beginning with the flared transition section 16.
- the flared transition section 16 is part of the recessed opening section 14 since its diameter is smaller than that of the tapered opening section 13.
- the recessed opening section 14 then extends downwards to connect to the opening section 14. It is of course conceivable that there is no transition section 16 and that the recessed opening section 14 is connected to the narrowed opening section 13 by a sharp-edged shoulder. In this case, it is not necessary to have a collar that extends over a certain height, and such a opening with a narrowed section and a recessed section can be made at the shoulder 110.
- the dispensing member 2 which is here a pump or a valve, comprises a pump body 20 defining at its upper end a flange 21 which projects outwards. Below this flange, the pump body defines a body portion 201 below which is connected a second body portion 202 of smaller diameter so that between the two body portions 201 and 202 there is a transition 203 in the form of a frustoconical step, as can be seen more clearly in Figure 3. Below the second body portion 202, the body 20 defines another body portion still having a smaller diameter. We can say that the body 20 is staged four times, since it comprises four body parts of decreasing diameter starting from the collar 21. This is only a particular embodiment, and one can of course imagine a perfectly cylindrical body 20.
- the pump 2 comprises an actuating rod 22 which slides inside the body 20.
- This actuating rod 22 is surmounted by a pusher 23 defining a dispensing orifice 230.
- a pump or valve quite conventional.
- the purpose of the fixing ring 3 is to hold the dispensing member 2 and fix it in the opening of the neck 10.
- the fixing ring 3 thus comprises receiving means 31 in the form of a sleeve which is engaged with friction on the first body portion 201 of larger diameter.
- the end of the sleeve 31 advantageously bears under the projecting flange 21.
- the establishment of the ring 3 on the body 20 of the pump 2 can be carried out by plugging in force.
- the fixing ring 3 also comprises a fastening skirt 32 intended to be inserted inside the neck 10. This skirt 32 extends substantially in the extension of the sleeve 31. It can be seen in FIG.
- the skirt has an outer wall 320 which is substantially cylindrical before plugging of the skirt 32 into the neck 10, as can be seen in FIG. 1.
- the skirt may be formed with a chamfer 323 which makes it easier to insertion of the skirt into the opening of the neck 10.
- the outer wall 320 of the skirt is substantially cylindrical.
- the outer diameter of the skirt 32 at its cylindrical outer wall 320 is greater than the internal diameter of the narrowed opening section 13.
- the ring 3 comprises a peripheral flange 33 which extends radially outwardly from the upper end of the skirt 32. The final position of maximum engagement is achieved when the flange 33 bears on the upper end 12 of the neck 10 as can be seen in Figures 2 and 3.
- the skirt 32 then extends both at the opening section narrowed 13 and the recessed opening section 14. More specifically, the skirt 32 also extends at the leading section 15 and the transition section 16.
- first zone 321 which is placed at the level of the tapered opening section 13
- second zone 322 which is placed at the level of the recessed opening section 14.
- first zone 321 is deformed radially inwards by the narrowed opening section 13
- second zone 322 remains undistorted, since it is not in contact with the internal wall 11 of the neck at the recessed opening section 14.
- the narrowed opening section 13 remains undeformed during the wrapping of the skirt 32 in the opening of the neck.
- this can be achieved by using materials of different hardness for the neck and the fixing ring.
- the container 1 can be made of glass, and the fixing ring 3 of plastic.
- the deformability characteristics of the skirt 32 can then be obtained by design or its wall thickness for example.
- Better deformation of the first zone can also be achieved by a limited height of the narrowed opening section. This can even be reduced to a kind of cord or edge that comes to bite in the first zone of the skirt.
- the outer wall 320 of the skirt 32 also comes into contact with the driving section 15 and the transition section 16. This contributes to the attachment of the skirt in the opening by a phenomenon of harpooning in itself. serving as the narrowed opening section as an incident profile.
- This is not a question here of a latching since the skirt does not comprise at the origin, that is to say before slinging, no housing intended to receive the narrowed opening section 13.
- the sealing is significantly improved with such a skirt, since the radial clamping at the first zone 321 is very strong, and in any case much greater than a fastening by simple snapping as in US 3,937,366 of the art prior.
- the outer wall 320 of the skirt 32 has been shown here perfectly cylindrical. However, one can imagine other forms for the outer wall 320 of the skirt 32, for example staggered, with the outer diameter of the second zone 322 having a diameter greater or smaller than that of the first zone 321.
- the spirit of the The invention resides in the fact that the skirt 32, before slipping into the neck opening, has a diameter greater than that of the narrowed opening section 13 so as to force the skirt to flow around the narrowed opening section. 13.
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Devices For Dispensing Beverages (AREA)
Abstract
Description
La présente invention concerne un distributeur de produit fluide comprenant un récipient, un organe de distribution tel qu'une pompe ou une valve et une bague de fixation pour fixer l'organe de distribution sur le récipient. De tels distributeurs sont fréquemment utilisés dans le domaine de la parfumerie, de la cosmétique ou encore de la pharmacie pour distribuer des produits fluides par appui manuel à l'aide d'un doigt sur un poussoir.The present invention relates to a fluid dispenser comprising a container, a dispensing member such as a pump or a valve and a fixing ring for fixing the dispensing member on the container. Such dispensers are frequently used in the field of perfumery, cosmetics or even pharmacy to dispense fluid products by manual support with a finger on a pusher.
La présente invention s'intéresse plus particulièrement à un type de récipient formant une ouverture définissant une paroi interne qui forme une section d'ouverture rétrécie en dessous de laquelle la paroi s'évide au moins localement vers l'extérieur pour former une section inférieure d'ouverture évidée. Quant à la bague de fixation, celle-ci comprend des moyens de réception pour recevoir le corps de l'organe de distribution et une jupe de fixation destinée à être emmanchée en force dans ladite ouverture. La jupe comprend une paroi externe définissant une première zone venant se placer au niveau de la section d'ouverture rétrécie et une seconde zone venant se placer au niveau de la section d'ouverture évidée lorsque la jupe est emmanchée à fond dans l'ouverture du récipient. Un distributeur comportant une telle bague de fixation est connu du document US 3 937 366. Dans ce document, la paroi interne du col du récipient comprend une rainure périphérique dans laquelle vient s'encliqueter une nervure formée sur la paroi externe de la jupe. La partie de la jupe située juste au-dessus de la nervure présente un diamètre inférieur à celui de la nervure, même lorsque la jupe n'est pas encore emmanchée dans le col du récipient. On peut dire que le profil externe de la jupe est parfaitement complémentaire au profil interne du col du récipient. De même, la forme de la rainure dans la paroi interne du col est exactement complémentaire à la forme de la nervure de la jupe. Ainsi, il n'y a pas de contact radial serrant entre la jupe et la paroi interne du col, mais juste un encliquetage de la nervure dans la rainure du col. L'étanchéité entre la jupe et le col n'est ainsi que très difficilement assurée.The present invention is more particularly concerned with a type of container forming an opening defining an inner wall which forms a narrowed opening section below which the wall is at least locally outwardly recessed to form a lower section. hollow opening. As for the fixing ring, the latter comprises receiving means for receiving the body of the dispensing member and a fixing skirt intended to be force-fitted into said opening. The skirt comprises an outer wall defining a first zone coming to be located at the narrowed opening section and a second zone coming to be placed at the open opening section when the skirt is pushed fully into the opening of the opening. container. A dispenser comprising such a fixing ring is known from US Pat. No. 3,937,366. In this document, the inside wall of the neck of the receptacle comprises a peripheral groove in which a rib formed on the outer wall of the skirt is snapped. The portion of the skirt just above the rib has a diameter smaller than that of the rib, even when the skirt is not yet fitted into the neck of the container. It can be said that the outer profile of the skirt is perfectly complementary to the internal profile of the neck of the container. Similarly, the shape of the groove in the inner wall of the neck is exactly complementary to the shape of the rib of the skirt. Thus, there is no tight radial contact between the skirt and the inner wall of the neck, but just a snap of the rib in the groove of the neck. The seal between the skirt and the collar is thus very difficult to ensure.
Il en est de même pour le système de fixation décrit dans le document FR-2 792 295. Ce système utilise une bague sur laquelle est montée une pompe ou une valve. Cette bague coopère également avec la paroi interne d'un col de récipient qui présente une section d'ouverture rétrécie en dessous de laquelle s'étend une section d'ouverture évidée. La bague est également formée avec une jupe destinée à venir s'engager à l'intérieur du col. Cette jupe présente une saillie radiale externe destinée à venir se loger dans la section d'ouverture évidée qui se présente ici sous la forme d'un simple évidement périphérique formé à l'intérieur de la paroi interne du col. Il s'agit ici d'un système d'encliquetage qui consiste à engager la saillie externe de la jupe de la bague dans l'évidement interne du col.It is the same for the fixing system described in document FR-2 792 295. This system uses a ring on which is mounted a pump or a valve. This ring also cooperates with the inner wall of a container neck which has a narrowed opening section below which extends a recessed opening section. The ring is also formed with a skirt intended to engage inside the neck. This skirt has an outer radial projection intended to be housed in the recessed opening section which is here in the form of a simple peripheral recess formed inside the inner wall of the neck. This is a snap system which involves engaging the outer projection of the skirt of the ring in the internal recess of the neck.
Au-dessus de la saillie externe, la jupe définit une section de diamètre inférieur qui vient se loger au niveau de la section d'ouverture rétrécie formée juste au-dessus de l'évidement interne du col. Cependant, il n'est pas visible sur les figures de ce document que le diamètre externe de la section de la jupe situé au niveau de la section d'ouverture rétrécie du col présente un diamètre inférieur à ce dernier. Ceci n'est pas non plus décrit dans le texte de ce document.Above the outer projection, the skirt defines a smaller diameter section which is housed at the narrowed opening section formed just above the inner recess of the neck. However, it is not visible in the figures of this document that the outer diameter of the section of the skirt located at the narrowed opening section of the neck has a smaller diameter than the latter. This is also not described in the text of this document.
D'ailleurs, dans le texte de ce document ainsi que dans les revendications, il est clairement défini que l'organe de fixation comprend des moyens d'encliquetage aptes à se loger dans ledit évidement de la paroi interne du col ; en l'occurrence, ces moyens d'encliquetage sont formés par la saillie externe dans le mode de réalisation de la figure 3.Moreover, in the text of this document and in the claims, it is clearly defined that the fixing member comprises snap-fastening means adapted to be housed in said recess of the inner wall of the neck; in this case, these latching means are formed by the external projection in the embodiment of FIG. 3.
La présente invention cherche à remédier aux inconvénients de l'art antérieur en définissant une bague de fixation qui réalise à la fois une fixation solide et une parfaite étanchéité.The present invention seeks to overcome the drawbacks of the prior art by defining a fixing ring which performs both a solid attachment and a perfect seal.
Pour atteindre ce but, la présente invention propose que la première zone de la jupe présente, avant emmanchage de la jupe dans l'ouverture, un diamètre externe supérieur au diamètre interne de la section d'ouverture rétrécie. Ceci n'est pas le cas dans le document US 3 937 366 dans lequel la première zone de la jupe a un diamètre strictement égal à celui du col au niveau de son ouverture. Avantageusement, la section d'ouverture rétrécie est sensiblement indéformable et la première zone est déformable sur la section d'ouverture rétrécie. En choisissant ainsi un diamètre de jupe supérieur à celui de la section d'ouverture rétrécie, on déforme la jupe par fluage de matière, de sorte que la section d'ouverture rétrécie mord dans la paroi externe de la jupe, assurant ainsi une fixation solide et une parfaite étanchéité. La déformation radiale de la première zone vers l'intérieur engendre un serrage radial puissant contre la section d'ouverture rétrécie de l'ouverture.To achieve this object, the present invention proposes that the first zone of the skirt has, before slipping of the skirt into the opening, an outer diameter greater than the inner diameter of the narrowed opening section. This is not the case in US Pat. No. 3,937,366 in which the first zone of the skirt has a diameter strictly equal to that of the neck at its opening. Advantageously, the narrowed opening section is substantially indeformable and the first zone is deformable on the narrowed opening section. By thus choosing a skirt diameter greater than that of the narrowed opening section, the skirt is deformed by creep material, so that the section narrowed opening bites into the outer wall of the skirt, thus ensuring a solid attachment and a perfect seal. Radial deformation of the first zone inwardly generates a strong radial clamping against the narrowed opening section of the opening.
Selon une autre caractéristique, la seconde zone présente un diamètre externe supérieur au diamètre interne de la section d'ouverture rétrécie et inférieur au diamètre interne maximal de la section d'ouverture évidée. La seconde zone, qui a été contrainte radialement vers l'intérieur lors du passage de la section d'ouverture rétrécie, peut ainsi se détendre librement par dilatation radiale vers l'extérieur au niveau de la section d'ouverture évidée. Du fait que la seconde zone n'est pas en contact de la paroi interne du col au niveau de la section d'ouverture évidée, ceci facilite le fluage de matière depuis la première zone vers la seconde zone du fait de l'interférence créée par la section d'ouverture rétrécie mordant dans la première zone.According to another characteristic, the second zone has an outer diameter greater than the internal diameter of the narrowed opening section and less than the maximum internal diameter of the recessed opening section. The second zone, which has been constrained radially inwards during the passage of the narrowed opening section, can thus freely expand by radial expansion outwardly at the recessed opening section. Since the second zone is not in contact with the inner wall of the neck at the recessed opening section, this facilitates the creep of material from the first zone to the second zone due to the interference created by the narrowed opening section biting into the first zone.
Selon un autre aspect de l'invention, la jupe est éloignée du corps par un espace intermédiaire. Ainsi, la déformation de la jupe ne peut en aucun cas engendrer une déformation du corps de l'organe de distribution.According to another aspect of the invention, the skirt is moved away from the body by an intermediate space. Thus, the deformation of the skirt can in no case cause a deformation of the body of the dispenser member.
Avantageusement, la bague comprend une bride périphérique qui s'étend radialement vers l'extérieur à partir de l'extrémité supérieure de la jupe et qui est destinée à venir en contact de butée sur l'ouverture du récipient pour limiter la profondeur d'emmanchage de la jupe dans l'ouverture.Advantageously, the ring comprises a peripheral flange which extends radially outwardly from the upper end of the skirt and which is intended to come into abutting contact with the opening of the container to limit the embedment depth. of the skirt in the opening.
De préférence, la bride sert d'organe de transfert de poussée pour emmancher la jupe dans l'ouverture.Preferably, the flange serves as a thrust transfer member for fitting the skirt into the opening.
Selon un autre aspect de l'invention, la section d'ouverture rétrécie se raccorde vers le bas à la section d'ouverture évidée par une section de transition sensiblement tronconique ou évasée. Ainsi, la paroi externe de la jupe coopère après emmanchage de la jupe dans l'ouverture avec la section d'ouverture rétrécie et la section de transition pour améliorer la fixation et l'étanchéité.According to another aspect of the invention, the narrowed opening section is connected downwardly to the opening section recessed by a substantially frustoconical or flared transition section. Thus, the outer wall of the skirt cooperates after wrapping of the skirt in the opening with the narrowed opening section and the transition section to improve the fixing and sealing.
En variante ou en complément, la section d'ouverture rétrécie se prolonge vers le haut avec une section d'attaque sensiblement tronconique ou évasée. Ainsi, la paroi externe de la jupe, après emmanchage de la jupe dans l'ouverture, peut coopérer avec la section d'ouverture rétrécie et la section d'attaque pour améliorer la fixation et l'étanchéité.Alternatively or additionally, the narrowed opening section extends upwardly with a substantially frustoconical or flared leading section. Thus, the outer wall of the skirt, after wrapping of the skirt in the opening, can cooperate with the narrowed opening section and the leading section to improve fixation and sealing.
Selon une forme de réalisation pratique, la paroi externe de la jupe, avant emmanchage, est cylindrique et présente un diamètre externe constant au niveau des première et seconde zones. Avantageusement, la jupe présente une extrémité inférieure libre chanfreinée pour faciliter son insertion dans l'ouverture du récipient.According to a practical embodiment, the outer wall of the skirt, before plugging, is cylindrical and has a constant outer diameter at the first and second zones. Advantageously, the skirt has a chamfered free bottom end to facilitate its insertion into the opening of the container.
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. Sur les figures :
- la figure 1 est une vue en section transversale à travers un distributeur de produit fluide selon l'invention, juste avant emmanchage de la bague dans l'ouverture de récipient,
- la figure 2 est une vue similaire à celle de la figure 1 avec la bague emmanchée dans l'ouverture du récipient, et
- la figure 3 est une vue agrandie d'un détail de la bague montrant la coopération de la jupe avec l'ouverture.
- FIG. 1 is a cross-sectional view through a fluid dispenser according to the invention, just before plugging the ring into the container opening,
- FIG. 2 is a view similar to that of FIG. 1 with the ring fitted into the opening of the container, and
- Figure 3 is an enlarged view of a detail of the ring showing the cooperation of the skirt with the opening.
Sur les figures 1 et 2, il n'a été représenté que la partie supérieure d'un distributeur de produit fluide selon l'invention, de sorte que le récipient n'est représenté que par son col 10. Toutefois, le distributeur de l'invention comprend trois éléments constitutifs, à savoir un récipient 1, un organe de distribution 2 et une bague de fixation 3.In FIGS. 1 and 2, only the upper part of a fluid dispenser according to the invention has been shown, so that the container is represented only by its
Le récipient 1 est ici pourvu d'un col 10 qui fait saillie vers le haut à partir du corps du récipient dont la fonction est de stocker du produit fluide. Le col 10 définit une ouverture qui permet de communiquer à l'intérieur du récipient. On peut cependant imaginer d'autres formes de réalisation pour le récipient, dans lesquelles il n'y a pas de col saillant, mais simplement une ouverture dans le corps du récipient. En se référant aux figures 1 et 2, on peut par exemple imaginer que la partie terminale du col 10 soit située directement au niveau de l'épaulement 110. On peut alors parler d'ouverture sans col. Le col saillant n'est donc pas un élément indispensable dans la présente invention. Il suffit qu'il y ait une ouverture présentant certaines caractéristiques. Parmi ces caractéristiques, on peut voir sur les figures 1 et 2 que le col 10 comprend une paroi interne 11 qui n'est pas cylindrique, mais présente au contraire une section d'ouverture rétrécie 13 en dessous de laquelle est définie une section d'ouverture évidée 14. La section d'ouverture rétrécie 13 est située à proximité de la sortie du col qui forme à cet endroit une extrémité supérieure 12 de forme annulaire. Avantageusement, la section d'ouverture rétrécie 13 se raccorde à l'extrémité supérieure 12 par une section d'attaque tronconique ou évasée 15. D'autre part, la section d'ouverture rétrécie 13 se raccorde à la section d'ouverture évidée 14 par une section de transition tronconique ou évasée 16. La section d'ouverture rétrécie 13 peut être sensiblement cylindrique. La section d'ouverture évidée 14 peut également être de section sensiblement cylindrique. On peut imaginer que la section d'ouverture évidée 14 se présente sous la forme d'un évidement périphérique qui s'étend sur une certaine hauteur du col, qui se prolonge vers le bas par une autre section de diamètre sensiblement égal à celui de la section d'ouverture rétrécie 13. On peut également imaginer que la section d'ouverture évidée se présente sous la forme d'une pluralités d'évidements répartis sur la périphérie interne du col. En d'autres termes, quelle que soit la forme de la section d'ouverture évidée 14, il faut qu'elle présente au moins localement un diamètre interne supérieur à celui de la section d'ouverture rétrécie 13. Dans la forme de réalisation des figures, la section d'ouverture rétrécie 13 est cylindrique, et la section d'ouverture évidée 14 s'étend vers le bas à partir de la section d'ouverture rétrécie 13 en commençant par la section de transition évasée 16. On peut considérer que la section de transition évasée 16 fait partie de la section d'ouverture évidée 14 puisque son diamètre est inférieur à celui de la section d'ouverture rétrécie 13. La section d'ouverture évidée 14 se prolonge ensuite vers le bas pour se raccorder à l'épaulement 110. On peut bien entendu imaginer qu'il n'y a pas de section de transition 16 et que la section d'ouverture évidée 14 se raccorde à la section d'ouverture rétrécie 13 par un épaulement à angle vif. Dans ce cas, il n'est pas nécessaire d'avoir un col qui s'étend sur une certaine hauteur, et une telle ouverture avec une section rétrécie et une section évidée peut être réalisée au niveau de l'épaulement 110.The container 1 is here provided with a
L'organe de distribution 2, qui est ici une pompe ou une valve, comprend un corps de pompe 20 définissant à son extrémité supérieure une collerette 21 qui fait saillie vers l'extérieur. En dessous de cette collerette, le corps de pompe définit une partie de corps 201 en dessous de laquelle se raccorde une seconde partie de corps 202 de diamètre inférieur de sorte qu'entre les deux parties de corps 201 et 202 il y a une transition 203 sous la forme d'un gradin tronconique, comme on peut le voir plus clairement sur la figure 3. En dessous de la seconde partie de corps 202, le corps 20 définit une autre partie de corps présentant encore un diamètre inférieur. On peut dire que le corps 20 est étagé quatre fois, puisqu'il comprend quatre parties de corps de diamètre décroissant en partant de la collerette 21. Il ne s'agit que d'une forme de réalisation particulière, et on peut bien entendu imaginer un corps 20 parfaitement cylindrique. De manière classique, la pompe 2 comprend une tige d'actionnement 22 qui coulisse à l'intérieur du corps 20. Cette tige d'actionnement 22 est surmontée d'un poussoir 23 définissant un orifice de distribution 230. Pour actionner la pompe 2, il suffit d'appuyer sur le poussoir 23 pour enfoncer la tige 22 dans le corps 20 ce qui a pour effet de refouler une dose de produit à travers la tige 22 jusqu'à l'orifice de distribution 230. Il s'agit là d'une pompe ou d'une valve tout à fait classique.The dispensing
La bague de fixation 3 a pour but de maintenir l'organe de distribution 2 et de la fixer dans l'ouverture du col 10. La bague de fixation 3 comprend pour cela des moyens de réception 31 sous la forme d'un manchon qui est engagé avec frottement sur la première partie de corps 201 de plus grand diamètre. L'extrémité du manchon 31 prend avantageusement appui sous la collerette saillante 21. La mise en place de la bague 3 sur le corps 20 de la pompe 2 peut être réalisée par emmanchage en force. La bague de fixation 3 comprend également une jupe de fixation 32 destinée à être insérée à l'intérieur du col 10. Cette jupe 32 s'étend sensiblement dans le prolongement du manchon 31. On peut remarquer sur la figure 3 que la jupe 31 n'est pas en contact du corps 20 au niveau de la seconde partie de corps 202, mais qu'il subsiste un espace intermédiaire 34 qui empêche tout contact ou interférence de la jupe 32 sur le corps 20. Ceci est possible du fait que le corps 20 est étagé, mais on aurait pu obtenir le même espace intermédiaire 34 en étageant la jupe par rapport au manchon 31. La jupe présente une paroi externe 320 qui est sensiblement cylindrique avant emmanchage de la jupe 32 dans le col 10, comme on peut le voir sur la figure 1. A son extrémité inférieure, la jupe peut être formée avec un chanfrein 323 qui permet de faciliter l'insertion de la jupe dans l'ouverture du col 10. Cependant, au-dessus du chanfrein 323, la paroi externe 320 de la jupe est sensiblement cylindrique.The purpose of the fixing
Selon l'invention, le diamètre externe de la jupe 32 au niveau de sa paroi externe cylindrique 320 est supérieur au diamètre interne de la section d'ouverture rétrécie 13. Ainsi, pour mettre en place la jupe 32 dans l'ouverture du col, comme représenté sur les figures 2 et 3, il est nécessaire de l'emmancher en force. Pour limiter la profondeur d'emmanchage de la jupe dans l'ouverture du col, la bague 3 comprend une bride périphérique 33 qui s'étend radialement vers l'extérieur à partir de l'extrémité supérieure de la jupe 32. La position finale d'emmanchage maximal est atteinte lorsque la bride 33 prend appui sur l'extrémité supérieure 12 du col 10 comme on peut le voir sur les figures 2 et 3. La jupe 32 s'étend alors à la fois au niveau de la section d'ouverture rétrécie 13 et de la section d'ouverture évidée 14. Plus précisément, la jupe 32 s'étend également au niveau de la section d'attaque 15 et de la section de transition 16. On peut grossièrement définir deux zones de la paroi externe 320 de la jupe 32, à savoir une première zone 321 qui vient se placer au niveau de la section d'ouverture rétrécie 13 et une seconde zone 322 qui vient se placer au niveau de la section d'ouverture évidée 14. Avant emmanchage, ces zones ne sont pas différentiables, comme on peut le voir sur la figure 1, étant donné que la paroi externe 320 de la jupe 32 est cylindrique. On peut voir sur la figure 3, que la première zone 321 est déformée radialement vers l'intérieur par la section d'ouverture rétrécie 13, alors que la seconde zone 322 reste non déformée, puisqu'elle n'est pas en contact de la paroi interne 11 du col au niveau de la section d'ouverture évidée 14. La jupe 32, au niveau de la première zone 321, a donc subi une déformation par fluage de matière. Pour permettre ce fluage de matière, il est nécessaire que la section d'ouverture rétrécie 13 reste non déformée lors de l'emmanchage de la jupe 32 dans l'ouverture du col. En pratique, ceci peut être obtenu en utilisant des matériaux de dureté différente pour le col et la bague de fixation. Par exemple, le récipient 1 peut être réalisé en verre, et la bague de fixation 3 en plastique. Il est cependant également possible de réaliser le récipient 1 et la bague de fixation 3 avec un même matériau : les caractéristiques de déformabilité de la jupe 32 peuvent alors être obtenues de par sa conception ou son épaisseur de paroi par exemple. Une meilleure déformation de la première zone peut également être obtenue par une hauteur limitée de la section d'ouverture rétrécie. Celle-ci peut même être réduite à une sorte de cordon ou arête qui vient mordre dans la première zone de la jupe.According to the invention, the outer diameter of the
On peut remarquer que la paroi externe 320 de la jupe 32 vient également en contact de la section d'attaque 15 et de la section de transition 16. Ceci contribue à la fixation de la jupe dans l'ouverture par un phénomène de harponnage en se servant de la section d'ouverture rétrécie comme profil incident. Il ne s'agit pas ici d'un encliquetage, puisque la jupe ne comporte à l'origine, c'est à dire avant emmanchage, aucun logement destiné à recevoir la section d'ouverture rétrécie 13. On peut également noter que l'étanchéité est significativement améliorée avec une telle jupe, étant donné que le serrage radial au niveau de la première zone 321 est très fort, et de toute façon bien supérieur à une fixation par simple encliquetage comme dans le document US 3 937 366 de l'art antérieur.It may be noted that the
La paroi externe 320 de la jupe 32 a été représentée ici de manière parfaitement cylindrique. On peut toutefois imaginer d'autres formes pour la paroi externe 320 de la jupe 32, par exemple étagé, avec le diamètre externe de la seconde zone 322 ayant un diamètre supérieur ou inférieur à celui de la première zone 321. L'esprit de l'invention réside dans le fait que la jupe 32, avant emmanchage dans l'ouverture du col, présente un diamètre supérieur à celui de la section d'ouverture rétrécie 13 de manière à forcer la jupe à fluer autour de la section d'ouverture rétrécie 13.The
Claims (12)
- A fluid dispenser comprising:a receptacle (1) serving to contain the fluid, said dispenser forming an opening (10) defining an inside wall (11), said inside wall (11) forming a narrow opening section (13) below which the wall (11) is recessed at least locally outwards to form a recessed opening section (14);a dispenser member (2), such as a pump or a valve, including a body (20); anda fixing ring (3) for fixing the body (20) of the dispenser member (2) in the opening (10) in the receptacle (1), said ring (3) comprising firstly body-receiving means (31) for receiving said body (20) and secondly a fixing skirt (32) serving to be engaged by force into said opening (10), said skirt (32) having an outside wall (320) defining a first zone (321) that comes into place at the narrow opening section (13), and a second zone (322) that comes into place at the recessed opening section (14), when the skirt (32) is engaged fully in the opening (10);said dispenser being characterized in that, before the skirt is engaged in the opening, the first zone (321) has an outside diameter that is larger than the inside diameter of the narrow opening section (13).
- A dispenser according to claim 1, in which the narrow opening section (13) is substantially undeformable, and the first zone (321) can be deformed over the narrow opening section (13).
- A dispenser according to claim 1 or 2, in which the second zone (322) has an outside diameter that is larger than the inside diameter of the narrow opening section (13) and that is smaller than the maximum inside diameter of the recessed opening section.
- A dispenser according to claim 1, 2 or 3, in which the skirt (32) is spaced apart from the body (20) by an intermediate space (34).
- A dispenser according to any preceding claim, in which the ring (3) further comprises a peripheral flange (33) which extends radially outwards from the top end of the skirt (32) and which serves to come into abutment contact against the opening (10) in the receptacle (1) to limit the depth to which the skirt can be engaged in the opening.
- A dispenser according to any preceding claim, in which the flange (33) serves as a thrust-transferring member for engaging the skirt into the opening.
- A dispenser according to any preceding claim, in which the narrow opening section (13) is connected downwards to the recessed opening section (14) via a substantially frustoconical or flared transition section (16).
- A dispenser according to claim 7, in which, after the skirt is engaged in the opening, the outside wall (320) of the skirt (32) co-operates with the narrow opening section (13) and with the transition section (16).
- A dispenser according to any preceding claim, in which the narrow opening section (13) extends upwards via a substantially frustoconical or flared leading section (15).
- A dispenser according to claim 9, in which, after the skirt is engaged in the opening, the outside wall (320) of the skirt (32) co-operates with the narrow opening section (13) and with the leading section (15).
- A dispenser according to any preceding claim, in which, prior to being engaged, the outside wall (320) of the skirt (32) is cylindrical and has a constant outside diameter at the first and second zones (321, 322).
- A dispenser according to any preceding claim, in which the skirt (32) has a bevelled free bottom end (323) in order to facilitate inserting it into the opening (10) in the receptacle (1).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0103890A FR2822452B1 (en) | 2001-03-22 | 2001-03-22 | FLUID PRODUCT DISPENSER |
FR0103890 | 2001-03-22 | ||
PCT/FR2002/000922 WO2002076853A1 (en) | 2001-03-22 | 2002-03-15 | Fluid product dispenser |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1370477A1 EP1370477A1 (en) | 2003-12-17 |
EP1370477B1 true EP1370477B1 (en) | 2006-06-21 |
Family
ID=8861435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02716898A Expired - Lifetime EP1370477B1 (en) | 2001-03-22 | 2002-03-15 | Fluid product dispenser |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1370477B1 (en) |
JP (1) | JP2004524233A (en) |
CN (1) | CN1228221C (en) |
BR (1) | BR0208216A (en) |
DE (1) | DE60212587T2 (en) |
ES (1) | ES2266475T3 (en) |
FR (1) | FR2822452B1 (en) |
WO (1) | WO2002076853A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7255248B2 (en) * | 2002-08-29 | 2007-08-14 | Emsar, Inc. | Plug style pump |
FR2845355B1 (en) * | 2002-10-07 | 2005-09-09 | Valois Sas | FLUID PRODUCT DISPENSER |
FR2857334B1 (en) * | 2003-07-10 | 2006-08-04 | Valois Sas | METHOD FOR ASSEMBLING FLUID PRODUCT DISPENSER |
CN101330492B (en) * | 2007-06-19 | 2012-08-01 | 上海贝尔股份有限公司 | Data transmission method, data receiving method and equipment |
EP2752668A3 (en) | 2010-07-23 | 2014-10-15 | Beckman Coulter, Inc. | System Or Method Of Including Analytical Units |
CN204223499U (en) * | 2012-05-12 | 2015-03-25 | 利德包装有限责任公司 | For aerocolloidal cylinder body |
CN106628572B (en) * | 2016-11-25 | 2018-08-17 | 丁要武 | Water-inlet-proof emulsion pumps |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3937366A (en) | 1974-04-05 | 1976-02-10 | Vca Corporation | Hand-held pump type dispenser |
FR2756546B1 (en) * | 1996-11-29 | 1999-01-29 | Valois | DEVICE FOR FIXING A DISPENSING MEMBER ON A CONTAINER NECK |
FR2792295B1 (en) * | 1999-04-16 | 2001-06-22 | Valois Sa | FIXING MEMBER FOR A FLUID PRODUCT DISPENSER AND DISPENSER COMPRISING SUCH A MEMBER |
-
2001
- 2001-03-22 FR FR0103890A patent/FR2822452B1/en not_active Expired - Fee Related
-
2002
- 2002-03-15 WO PCT/FR2002/000922 patent/WO2002076853A1/en active IP Right Grant
- 2002-03-15 ES ES02716898T patent/ES2266475T3/en not_active Expired - Lifetime
- 2002-03-15 CN CN02807068.2A patent/CN1228221C/en not_active Expired - Fee Related
- 2002-03-15 JP JP2002576125A patent/JP2004524233A/en not_active Withdrawn
- 2002-03-15 DE DE60212587T patent/DE60212587T2/en not_active Expired - Lifetime
- 2002-03-15 EP EP02716898A patent/EP1370477B1/en not_active Expired - Lifetime
- 2002-03-15 BR BR0208216-0A patent/BR0208216A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BR0208216A (en) | 2004-03-02 |
FR2822452B1 (en) | 2003-08-15 |
FR2822452A1 (en) | 2002-09-27 |
CN1498186A (en) | 2004-05-19 |
CN1228221C (en) | 2005-11-23 |
JP2004524233A (en) | 2004-08-12 |
ES2266475T3 (en) | 2007-03-01 |
EP1370477A1 (en) | 2003-12-17 |
DE60212587D1 (en) | 2006-08-03 |
WO2002076853A1 (en) | 2002-10-03 |
DE60212587T2 (en) | 2007-05-24 |
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