EP1542911A2 - Fixing member and fluid product dispenser comprising same - Google Patents

Fixing member and fluid product dispenser comprising same

Info

Publication number
EP1542911A2
EP1542911A2 EP03760032A EP03760032A EP1542911A2 EP 1542911 A2 EP1542911 A2 EP 1542911A2 EP 03760032 A EP03760032 A EP 03760032A EP 03760032 A EP03760032 A EP 03760032A EP 1542911 A2 EP1542911 A2 EP 1542911A2
Authority
EP
European Patent Office
Prior art keywords
neck
skirt
section
deformable
fixing member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03760032A
Other languages
German (de)
French (fr)
Other versions
EP1542911B1 (en
Inventor
stéphane Beranger
Firmin Garcia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aptar France SAS
Original Assignee
Valois SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valois SAS filed Critical Valois SAS
Publication of EP1542911A2 publication Critical patent/EP1542911A2/en
Application granted granted Critical
Publication of EP1542911B1 publication Critical patent/EP1542911B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • B05B11/0005—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
    • 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

  • Fixing member and fluid dispenser comprising such a fixing member
  • the present invention relates to a fixing member and a fluid dispenser comprising a container, a dispensing member such as a pump or a valve and a fixing member for fixing the dispensing member to the container.
  • a dispensing member such as a pump or a valve
  • a fixing member for fixing the dispensing member to the container.
  • Such dispensers are frequently used in the field of perfumery, cosmetics or even pharmacy to dispense fluid products by manual support using a finger on a pusher.
  • the present invention applies inter alia to a type of container forming an opening or a neck defining an internal wall which forms a narrowed opening section below which the wall is hollowed out at least locally outwards to form a lower opening section hollowed out.
  • the internal wall of the neck can also be cylindrical.
  • the fixing member this 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 external wall defining a section intended to come into contact with the internal wall of the neck, when the skirt is fitted fully into the neck of the container.
  • a dispenser comprising a fastening member of this type is known from document US 3,937,366.
  • the internal wall of the container neck comprises a peripheral groove in which a rib formed on the external wall of the skirt is snapped on. .
  • the part of the skirt located just above the rib has a diameter less than that of the bottom of the rib, even when the skirt is not yet fitted into the neck of the container.
  • the external profile of the skirt is perfectly complementary to the internal profile of the container neck.
  • 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 member uses a ring on which is mounted a pump or a valve.
  • This ring also cooperates with the internal wall of a container neck which has a narrowed opening section below which extends a hollowed out opening section.
  • the ring is formed with a skirt intended to come to engage inside the neck.
  • This skirt has an external 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 internal wall of the neck.
  • This is a snap system which consists in engaging the external projection of the skirt in the internal recess of the neck. The skirt is deformed only momentarily, until the projection reaches the recess.
  • the skirt relaxes to resume its initial shape.
  • the skirt defines a section of smaller diameter which is received at the level of the narrowed opening section formed just above the internal recess of the neck.
  • the outer diameter of the section of the skirt located at the narrowed opening section of the neck has a diameter less than the latter. This is also not described in the text of this document.
  • the fixing member comprises latching means capable of being housed in said recess of the internal wall of the neck; in this case, these latching means are formed by the external projection.
  • the plastic fixing members are subject to a creep of the plastic at the level where they are in contact pressed against the neck. This results in the medium term in a loosening of the grip of the organ in the cervix, so that the fixing member can be easily torn from the cervix.
  • the present invention seeks to remedy the drawbacks of the prior art by defining a fixing ring which achieves both a solid fixing and a perfect seal, and this even in the long term.
  • the present invention provides a fixing member for fixing a dispensing member on a container neck, said fixing member comprising receiving means intended to receive said distribution member and fixing means intended to cooperate with an internal wall and an abutment surface of the container neck, when the fixing member has reached its final fixing position on the neck, said fixing means comprising a flange which extends outwards and which is intended to abutting on the abutment surface of the neck in the final position and a skirt intended to be engaged in the neck so as to come into tight contact with the internal wall of the neck in the final position, said skirt comprising an upper end and a lower end , characterized in that the skirt comprises an elastically deformable section radially inwards which is adapted to be and remain el astically deformed by contact with the internal wall of the neck in the final position.
  • This contact is a tight and advantageously tight tight contact and is also permanent since the deformable section remains deformed in the final position of the ring in the neck.
  • the upper end of the skirt is substantially non-deformable.
  • the lower end of the skirt can be substantially non-deformable.
  • the deformable section is located between the non-deformable upper and lower ends. This elastically deformable section can then take the form of a flexible crown held firmly at its two solid ends.
  • the lower end forms a contact surface adapted to bear against the dispensing member.
  • the deformable section internally defines an annular housing at which the deformable section is intended to remain out of contact with the dispensing member so that it can be deformed inward without coming into contact of the distribution body.
  • the housing is located above the lower end of the skirt which defines a contact surface, advantageously sealed, which is adapted to bear against the dispensing member.
  • the housing contains a flexible elastic material adapted to be compressed radially inwards by the deformable section, advantageously against the dispensing member.
  • the flexible material is added or molded into the housing. It is preferably in contact with the skirt and the body of the dispensing member without occupying the entire volume of the housing.
  • the deformable section is externally cylindrical.
  • the deformable section is provided with at least one profile projecting towards the outside which can advantageously be adapted to be housed in a recess formed in the internal wall of the container neck.
  • the invention also defines a fluid dispenser comprising a container forming a neck, a dispensing member and a fixing member.
  • the neck defines an internal wall formed with a recess intended to receive the deformable section of the skirt.
  • the skirt is spaced from the body by an intermediate space.
  • FIG. 1 is a schematic cross-sectional view through a dispensing member equipped with a fixing member according to the invention ready to be inserted into a container neck
  • - Figure 2 is a view corresponding to that of the FIG. 1 with the fixing member engaged in the container neck
  • FIG. 3 is a view similar to that of FIG. 1 for a second embodiment
  • FIG. 4 is a view similar to that of FIG. 2 for the second embodiment
  • FIG. 5 is a view similar to that of FIG. 1 for a third embodiment of the invention.
  • FIG. 6 is a view similar to that of Figure 2 for the third embodiment according to the invention.
  • the dispenser of the invention comprises three constituent elements, namely a container 3, a dispensing member 2 and a fixing member 1.
  • the container 3 is here provided with a neck 30 which projects upwards from of the body of the container (not shown) whose function is to contain fluid.
  • the neck defines an opening which 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 tem-inal part of the neck 30 is located directly at the shoulder 37. We can then speak of opening without neck.
  • the protruding neck is therefore not an essential element in the present invention.
  • the neck 30 comprises an internal wall 31 which is not cylindrical, but on the contrary has a narrowed opening section 32 below which a hollowed out opening section 23 is defined.
  • the section narrowed opening is located near the outlet of the neck which forms at this point an upper end 35 of annular shape.
  • the narrowed opening section 32 is connected to the upper end 35 by a tapered or flared attack section 34.
  • the narrowed opening section 32 can be substantially cylindrical.
  • the recessed opening section 14 can also be of substantially cylindrical section.
  • the hollowed out opening section 33 is in the form of a peripheral recess which extends over a certain height of the neck, which is extended downwards by another section of diameter substantially equal to that of the narrowed opening section.
  • the hollowed out opening section is in the form of a plurality of recesses distributed over the internal periphery of the neck. In other words, whatever the shape of the hollowed out opening section, it must at least locally have an internal diameter greater than that of the narrowed opening section.
  • the narrowed opening section is cylindrical, and the hollowed out opening section 14 extends downward from the narrowed opening section 13 starting with a flared transition section.
  • the flared transition section is part of the hollowed out opening section 33 since its diameter is less than that of the narrowed opening section 32.
  • the hollowed out opening section 33 then extends downward to connect to the shoulder 37.
  • the neck has a cylindrical internal wall, at least over the part of its height intended to cooperate with the fixing member.
  • the dispensing member 2 which is here a pump or a valve, comprises a body 20 defining at its upper end a flange 21 which projects outwards. Below this flange, the pump body defines a body part 22 below which a second body part 24 of smaller diameter is connected so that between the two body parts 22 and 24 there is a transition 23 in the form of a frustoconical step, as can be seen more clearly in the figures. Below the second body part 24, the body 20 defines another body part which also has a smaller diameter.
  • the body 20 is four stages, since it comprises four parts of the body decreasing in diameter starting from the flange 21.
  • the pump 2 comprises an actuating rod 25 which slides inside the body 20.
  • This actuating rod 25 is surmounted by a pusher 26 defining a dispensing orifice.
  • a pusher 26 defining a dispensing orifice.
  • the purpose of the fixing member 1 is to secure the dispensing member 2 and fix it in the opening of the neck 30.
  • the member is in the form of a fixing ring comprising receiving means under the form of a sleeve 12 internally defining an encasing housing 120 in which the flange 21 of the pump is received.
  • the fixing ring 1 also includes a fixing skirt 10 intended to be inserted inside the neck. This skirt 10 extends substantially in the extension of the sleeve 12. It may be noted that the skirt 10 is not in contact with the body at the second body part 22, but that there remains a housing or an intermediate space 106 which prevents any contact or interference of the skirt 10 on the body 20.
  • the skirt has an outer wall which is substantially cylindrical as in the embodiment of Figures 3 and 4, or profiled in that of Figures 1, 2, 5 and 6. At its lower end, the skirt can be formed with a chamfer 108 which makes it easier to insert the skirt into the opening of the collar.
  • the skirt 10 therefore extends substantially in the extension of the sleeve 12 away from the body 20 at its upper section 22 to form a housing or an intermediate space 106.
  • the flange 21 of the body 20 is snapped inside the sleeve 12 which gives it a certain rigidity or non-deformability.
  • a flange 11 which projects radially outward.
  • This flange 11 is provided at its lower face with a groove 110 intended to receive a sealing ring 36 formed at the upper end 35 of the neck 30.
  • the radial flange 11 also provides a characteristic of non-deformability of the ring so that the upper end 101 of the skirt is substantially non-deformable.
  • the skirt 10 defines a lower end 102 which is also substantially non-deformable.
  • This characteristic of indeformability is provided here by the fact that the lower end 102 defines a contact surface 105 adapted to come into bearing contact against the body 20, for example at the level of the frustoconical transition section 23 and the section 24.
  • the body 20 is already held in a perfectly stable manner inside the fixing member due to the engagement of the flange 21 in the engagement housing 120 formed by the sleeve 12
  • the contact surface 105 still contributes to the stability of the body 20 in the fixing member, firstly because it encloses the section 24, and secondly because it forms a stop against the frustoconical transition section. 23.
  • the upper 101 and lower 102 ends of the skirt 10 are substantially non-deformable.
  • the skirt 10 further defines an elastically deformable section 103 which here extends between the non-deformable ends 101 and 102.
  • This elastically deformable section 103 is here in the form of a substantially cylindrical section whose two ends 101 and 102 are substantially non-deformable. It should be noted that this characteristic of elastic deformability is given by the fact that the ends are substantially undeformable so that the elastically deformable section is somehow maintained or "stretched" between these ends.
  • the elastically deformable section 103 is located at the level where the housing or intermediate space 106 is formed which separates the skirt 10 from the pump body 20 at the level of the upper section 22.
  • this housing 106 is formed by the internal wall of the skirt 10, non-deformable lower end 102 of the skirt 10, the upper section 22 of the body 20 and the flange 21 snapped into the sleeve 12.
  • This housing 106 which is largely delimited by the skirt 10 allows the elastically deformable section 103 to be deformed radially inward without coming into contact with the body 20. It can thus be said that the housing 106 serves as clearance space to allow the deformation of the section elastically deformable 103 inwards.
  • this housing 106 contains an elastic flexible material 4, which is preferably very little subject to material creep.
  • this material 4 must have a characteristic of permanent elasticity even after a long period of time.
  • the piece of flexible material 4 partially rempht the housing 106 so as to leave a free or empty part 107.
  • the material 4 can come to expand in the empty part 107 when the elastically deformable section 103 is constrained radially inwards , and thereby decreases the volume of the housing 106.
  • the material 4 is preferably arranged so as to be in contact with both the internal wall of the skirt and the external wall of the upper section 22 of the pump body 20.
  • the elastically deformable section 103 can play the function of spring or elastic return making it possible to confer on the elastically deformable section 103 its characteristic of elastically deformability, in the event that it comes to lose it by creep of material.
  • the plastic material constituting the skirt 10 is flowable, it is preferable to partially fill the housing 106 with such a flexible elastic material 4. This material makes it possible to permanently push the skirt 10 against the internal wall of the neck by reaction on the pump body 20.
  • the piece of flexible elastic material 4 consequently supplements the elastically deformable section 103 in case this is necessary.
  • the neck 30 is formed with a narrowed opening section 32 which is extended downwards by a hollowed section 33.
  • the skirt 10 is formed at its outer wall with a projecting annular bead 104 which is located in the lower part of the elastically deformable section 103.
  • the narrowed opening section 32 Since the internal diameter of the narrowed opening section 32 is less than the external diameter of the elastically deformable section 103, before the fixing member is fitted into the neck, the narrowed opening section 32 has the effect of deforming the elastically deformed section able 103 inwards so as to form a boss 134 which reduces the internal volume of the housing 106 in which the piece of flexible material can be placed 4.
  • the elastically deformable section 103 is thus deformed around the narrowed opening section 32 so that the upper part of the elastically deformable section extends slightly over the frustoconical section 34 of the neck and the lower part of the elastically deformable section provided with the cord 104 is housed in the hollowed section 33, which contributes to or improves the fixing and blocking of the fixing member inside the neck.
  • the cord 104 is snapped into the hollowed out section 103 while the elastically deformable section is pressed against the opening section.
  • this pressure action can advantageously be supplemented by the presence of the piece of elastic material 4 in the housing 106.
  • the elastically deformable section 103 has an outer wall substantially or perfectly cylindrical.
  • the neck is similar or identical to that of the embodiment of Figures 1 and 2, that is to say with a narrowed opening section 32 which is extended downwards by a hollowed section 33.
  • the skirt 10 is deformed in the same manner as in Figure 2.
  • the skirt 10 of Figures 3 and 4 does not have protruding cord 104 formed at the lower part of the elastically deformable section 103.
  • the result is practically identical except that the lower part of the elastically deformable section 103 does not penetrate as much into the hollowed section 33 of the neck. This demonstrates that the skirt 10 can be cylindrical or formed with more or less projecting profiles.
  • the third embodiment of Figures 5 and 6 is substantially identical with respect to the fixing member to that of Figures 1 and 2, in that the skirt 10 is formed with a protruding bead 104 formed at the elastically deformable section 103.
  • the internal wall 31 of the neck 30 is here perfectly cylindrical. Once engaged in the neck, the skirt 10 is deformed at the level of its elastically deformable section 103 towards the inside so as to form a boss 134 which penetrates into the housing 106 and thus deforms the piece of flexible material 4.
  • the external wall of the skirt 10 it has a configuration identical to that of the cylindrical internal wall 31 of the neck 30.
  • the skirt engaged in the neck is elastically deformable (and not deformed by displacement of material or creep): this characteristic of elastic deformability allowing the skirt to exert constant pressure over time against the internal wall of the neck.
  • the skirt can be helped in this by a piece of durable elastic flexible material placed inside the skirt.

Abstract

The invention concerns a fixing member (1) for fixing a dispensing member (2) on a container (3) neck (30), said fixing member comprising receiving means (120) for receiving said dispensing member (2) and fixing means (10) designed to co-operate with an inner wall (31) and an abutting surface (35) of the container neck, when the fixing member has reached its final position on the neck, said fixing means including a flange (11) extending outwards and which is designed to be urged in abutment on the abutting surface (35) in final position of the neck and a skirt (10) designed to be engaged in the neck so as to be urged into clamping contact with the inner wall (31) of the neck in final position, said skirt (10) including an upper end (101) and a lower end (102). The invention is characterized in that the skirt (10) comprises a section elastically deformable (103) radially inwards which is adapted to be and maintained elastically deformed through contact with the inner wall (31) of the neck in final position.

Description

Organe de fixation et distributeur de produit fluide comprenant un tel organe de fixation Fixing member and fluid dispenser comprising such a fixing member
La présente invention concerne un organe de fixation ainsi qu'un distributeur de produit fluide comprenant un récipient, un organe de distribution tel qu'une pompe ou une valve et un organe 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 fixing member and a fluid dispenser comprising a container, a dispensing member such as a pump or a valve and a fixing member for fixing the dispensing member to the container. Such dispensers are frequently used in the field of perfumery, cosmetics or even pharmacy to dispense fluid products by manual support using a finger on a pusher.
La présente invention s'applique entre autre à un type de récipient formant une ouverture ou un col 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. Toutefois, la paroi interne du col peut également être cylindrique. Quant à l'organe de fixation, celui-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 section destinée à venir en contact avec la paroi interne du col, lorsque la jupe est emmanchée à fond dans le col du récipient.The present invention applies inter alia to a type of container forming an opening or a neck defining an internal wall which forms a narrowed opening section below which the wall is hollowed out at least locally outwards to form a lower opening section hollowed out. However, the internal wall of the neck can also be cylindrical. As for the fixing member, this 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 external wall defining a section intended to come into contact with the internal wall of the neck, when the skirt is fitted fully into the neck of the container.
Un distributeur comportant un organe de fixation de ce type 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 du fond 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.A dispenser comprising a fastening member of this type is known from document US 3,937,366. In this document, the internal wall of the container neck comprises a peripheral groove in which a rib formed on the external wall of the skirt is snapped on. . The part of the skirt located just above the rib has a diameter less than that of the bottom of the rib, even when the skirt is not yet fitted into the neck of the container. We can say that the external profile of the skirt is perfectly complementary to the internal profile of the container neck. 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 internal wall of the collar, but just a snap of the rib in the groove of the collar. The tightness between the skirt and the collar is thus only very difficult to ensure.
H en est de même pour l'organe de fixation décrit dans le document FR-2 792 295. Cet organe 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 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 dans l'évidement interne du col. La jupe n'est déformée que momentanément, le temps que la saillie parvienne dans l'évidement. Ensuite, la jupe se détend pour reprendre sa forme initiale. 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.It is the same for the fixing member described in document FR-2 792 295. This member uses a ring on which is mounted a pump or a valve. This ring also cooperates with the internal wall of a container neck which has a narrowed opening section below which extends a hollowed out opening section. The ring is formed with a skirt intended to come to engage inside the neck. This skirt has an external 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 internal wall of the neck. This is a snap system which consists in engaging the external projection of the skirt in the internal recess of the neck. The skirt is deformed only momentarily, until the projection reaches the recess. Then, the skirt relaxes to resume its initial shape. Above the external projection, the skirt defines a section of smaller diameter which is received at the level of the narrowed opening section formed just above the internal 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 diameter less 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. D'autre part, il a été remarqué que les organes de fixation en matière plastique sont sujets à un fluage de la matière plastique au niveau où ils sont en contact appuyé contre le col. Ceci résulte à moyen terme en un relâchement de la prise de l'organe dans le col, de sorte que l'organe de fixation peut être facilement arraché du col. 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, et ceci même à long terme.Moreover, in the text of this document as well as in the claims, it is clearly defined that the fixing member comprises latching means capable of being housed in said recess of the internal wall of the neck; in this case, these latching means are formed by the external projection. On the other hand, it has been noticed that the plastic fixing members are subject to a creep of the plastic at the level where they are in contact pressed against the neck. This results in the medium term in a loosening of the grip of the organ in the cervix, so that the fixing member can be easily torn from the cervix. The present invention seeks to remedy the drawbacks of the prior art by defining a fixing ring which achieves both a solid fixing and a perfect seal, and this even in the long term.
Pour atteindre ce but, la présente invention propose un organe de fixation pour fixer un organe de distribution sur un col de récipient, ledit organe de fixation comprenant des moyens de réception destinés à recevoir ledit organe de distribution et des moyens de fixation destinés à coopérer avec une paroi interne et une surface de butée du col de récipient, lorsque l'organe de fixation a atteint sa position finale de fixation sur le col, lesdits moyens de fixation comprenant une collerette qui s'étend vers l'extérieur et qui est destinée à venir en butée sur la surface de butée du col en position finale et une jupe destinée à être engagée dans le col de manière à venir en contact serrant avec la paroi interne du col en position finale, ladite jupe comprenant une extrémité supérieure et une extrémité inférieure, caractérisé en ce que la jupe comprend une section élastiquement déformable radialement vers l'intérieur qui est adaptée à être et rester élastiquement déformée par contact avec la paroi interne du col en position finale. Ce contact est un contact serrant appuyé et avantageusement étanche et est aussi permanent étant donné que la section déformable reste déformée en position finale de la bague dans le col. π faut aussi noter que l'organe de fixation de l'invention ne subit pas de déformation par fluage ou déplacement de matière.To achieve this object, the present invention provides a fixing member for fixing a dispensing member on a container neck, said fixing member comprising receiving means intended to receive said distribution member and fixing means intended to cooperate with an internal wall and an abutment surface of the container neck, when the fixing member has reached its final fixing position on the neck, said fixing means comprising a flange which extends outwards and which is intended to abutting on the abutment surface of the neck in the final position and a skirt intended to be engaged in the neck so as to come into tight contact with the internal wall of the neck in the final position, said skirt comprising an upper end and a lower end , characterized in that the skirt comprises an elastically deformable section radially inwards which is adapted to be and remain el astically deformed by contact with the internal wall of the neck in the final position. This contact is a tight and advantageously tight tight contact and is also permanent since the deformable section remains deformed in the final position of the ring in the neck. π should also be noted that the fixing member of the invention does not undergo deformation by creep or displacement of material.
Ceci n'est pas le cas dans le document US 3 937 366 dans lequel la jupe a un diamètre strictement égal à celui du col, même au niveau de la rainure. Il en est de même dans le document FR-2 792 295 où la bague s'encliquète dans l'évidement formé dans la paroi interne du col. Cela signifie que la bague dans ces deux documents de l'art antérieur subit une déformation élastique très temporaire uniquement lors de son introduction dans le col, mais se détend lorsqu'elle arrive en position finale encliquetée. La bague ne reste pas dans un état permanent déformé élastiquement.This is not the case in document US 3,937,366 in which the skirt has a diameter strictly equal to that of the neck, even at the level of the groove. It is the same in document FR-2 792 295 where the ring snaps into the recess formed in the internal wall of the neck. This means that the ring in these two documents of the prior art undergoes a very temporary elastic deformation only when it is introduced into the neck, but relaxes when it arrives in the final snapped-in position. The ring does not remain in a permanently elastically deformed state.
Avantageusement, l'extrémité supérieure de la jupe est sensiblement indéformable. De manière symétrique, l' extrémité inférieure de la jupe peut être sensiblement indéformable. Dans ce cas, la section déformable est située entre les extrémités supérieure et inférieure indéformables. Cette section élastiquement déformable peut alors se présenter sous la forme d'une couronne souple maintenue fermement à ses deux extrémités solides.Advantageously, the upper end of the skirt is substantially non-deformable. Symmetrically, the lower end of the skirt can be substantially non-deformable. In this case, the deformable section is located between the non-deformable upper and lower ends. This elastically deformable section can then take the form of a flexible crown held firmly at its two solid ends.
Avantageusement, extrémité inférieure forme une surface de contact adaptée à venir en appui contre l'organe de distribution.Advantageously, the lower end forms a contact surface adapted to bear against the dispensing member.
Selon une autre caractéristique de l'invention, la section déformable définit intérieurement un logement annulaire au niveau duquel la section déformable est destinée à rester hors de contact de l'organe de distribution de manière à pouvoir être déformée vers l'intérieur sans venir en contact de l'organe de distribution. Avantageusement, le logement est situé au-dessus de l'extrémité inférieure de la jupe qui définit une surface de contact, avantageusement étanche, qui est adaptée à venir en appui contre l'organe de distribution. De préférence, le logement contient un matériau souple élastique adapté à être comprimé radialement vers l'intérieur par la section déformable, avantageusement contre l'organe de distribution. Dans ce cas, le matériau souple est rapporté ou surmoulé dans le logement. Il est de préférence en contact de la jupe et du corps de l'organe de distribution sans pour autant occuper tout le volume du logement.According to another characteristic of the invention, the deformable section internally defines an annular housing at which the deformable section is intended to remain out of contact with the dispensing member so that it can be deformed inward without coming into contact of the distribution body. Advantageously, the housing is located above the lower end of the skirt which defines a contact surface, advantageously sealed, which is adapted to bear against the dispensing member. Preferably, the housing contains a flexible elastic material adapted to be compressed radially inwards by the deformable section, advantageously against the dispensing member. In this case, the flexible material is added or molded into the housing. It is preferably in contact with the skirt and the body of the dispensing member without occupying the entire volume of the housing.
Selon un autre aspect, la section déformable est extérieurement cylindrique. En variante, la section déformable est pourvu d'au moins un profil saillant vers l'extérieur qui peut avantageusement être adapté à venir se loger dans un évidement formé dans la paroi interne du col de récipient.According to another aspect, the deformable section is externally cylindrical. As a variant, the deformable section is provided with at least one profile projecting towards the outside which can advantageously be adapted to be housed in a recess formed in the internal wall of the container neck.
L'invention définit également un distributeur de produit fluide comprenant un récipient formant un col, un organe de distribution et un organe de fixation. Avantageusement, le col définit une paroi interne formée avec un évidement destiné à recevoir la section déformable de la jupe.The invention also defines a fluid dispenser comprising a container forming a neck, a dispensing member and a fixing member. Advantageously, the neck defines an internal wall formed with a recess intended to receive the deformable section of the skirt.
Selon un autre aspect, la jupe est éloignée du corps par un espace intermédiaire.In another aspect, the skirt is spaced from the body by an intermediate space.
L'invention sera maintenant plus amplement décrite en référence aux dessins joints donnant à titres d'exemples non limitatifs trois modes de réalisation de l'invention. Sur les figures :The invention will now be described more fully with reference to the accompanying drawings giving by way of nonlimiting examples three embodiments of the invention. In the figures:
- la figure 1 est une vue schématique en section transversale à travers un organe de distribution équipé d'un organe de fixation selon l'invention prêt à être inséré dans un col de récipient, - la figure 2 est une vue correspondant à celle de la figure 1 avec l'organe de fixation engagé dans le col de récipient,- Figure 1 is a schematic cross-sectional view through a dispensing member equipped with a fixing member according to the invention ready to be inserted into a container neck, - Figure 2 is a view corresponding to that of the FIG. 1 with the fixing member engaged in the container neck,
- la figure 3 est une vue similaire à celle de la figure 1 pour un second mode de réalisation,FIG. 3 is a view similar to that of FIG. 1 for a second embodiment,
- la figure 4 est une vue similaire à celle de la figure 2 pour le second mode de réalisation,FIG. 4 is a view similar to that of FIG. 2 for the second embodiment,
- la figure 5 est une vue similaire à celle de la figure 1 pour un troisième mode de réalisation de l'invention, etFIG. 5 is a view similar to that of FIG. 1 for a third embodiment of the invention, and
- la figure 6 est une vue similaire à celle de la figure 2 pour le troisième mode de réalisation selon l'invention. Sur les figures, 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. Toutefois, le distributeur de l'invention comprend trois éléments constitutifs, à savoir un récipient 3, un organe de distribution 2 et un organe de fixation 1. Le récipient 3 est ici pourvu d'un col 30 qui fait saillie vers le haut à partir du corps du récipient (non représenté) dont la fonction est de contenir du produit fluide. Le col 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, on peut par exemple imaginer que la partie tem-inale du col 30 soit située directement au niveau de l'épaulement 37. On peut alors parler d'ouverture sans col. Le col saillant n'est donc pas un élément indispensable dans la présente invention.- Figure 6 is a view similar to that of Figure 2 for the third embodiment according to the invention. In the figures, only the upper part of a fluid dispenser according to the invention has been shown, so that the container is only represented by its neck. However, the dispenser of the invention comprises three constituent elements, namely a container 3, a dispensing member 2 and a fixing member 1. The container 3 is here provided with a neck 30 which projects upwards from of the body of the container (not shown) whose function is to contain fluid. The neck defines an opening which allows communication inside the container. One can however imagine other embodiments for the container, in which there is no protruding neck, but simply an opening in the body of the container. Referring to the figures, one can for example imagine that the tem-inal part of the neck 30 is located directly at the shoulder 37. We can then speak of opening without neck. The protruding neck is therefore not an essential element in the present invention.
Sur les figures 1 à 4, le col 30 comprend une paroi interne 31 qui n'est pas cylindrique, mais présente au contraire une section d'ouverture rétrécie 32 en dessous de laquelle est définie une section d'ouverture évidée 23. La section d'ouverture rétrécie est située à proximité de la sortie du col qui forme à cet endroit une extrémité supérieure 35 de forme annulaire. Avantageusement, la section d'ouverture rétrécie 32 se raccorde à l'extrémité supérieure 35 par une section d'attaque tronconique ou évasée 34. La section d'ouverture rétrécie 32 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 33 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. On peut également imaginer que la section d'ouverture évidée se présente sous la forme d'une pluralité d'évidements répartis sur la périphérie interne du col. En d'autres termes, quelle que soit la forme de la section d'ouverture évidée, il faut qu'elle présente au moins localement un diamètre interne supérieur à celui de la section d'ouverture rétrécie. Dans la forme de réahsation des figures, la section d'ouverture rétrécie 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 une section de transition évasée. On peut considérer que la section de transition évasée fait partie de la section d'ouverture évidée 33 puisque son diamètre est inférieur à celui de la section d'ouverture rétrécie 32. La section d'ouverture évidée 33 se prolonge ensuite vers le bas pour se raccorder à l'épaulement 37. On peut bien entendu imaginer qu'il n'y a pas de section de transition et que la section d'ouverture évidée se raccorde à la section d'ouverture rétrécie 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 37.In FIGS. 1 to 4, the neck 30 comprises an internal wall 31 which is not cylindrical, but on the contrary has a narrowed opening section 32 below which a hollowed out opening section 23 is defined. The section narrowed opening is located near the outlet of the neck which forms at this point an upper end 35 of annular shape. Advantageously, the narrowed opening section 32 is connected to the upper end 35 by a tapered or flared attack section 34. The narrowed opening section 32 can be substantially cylindrical. The recessed opening section 14 can also be of substantially cylindrical section. One can imagine that the hollowed out opening section 33 is in the form of a peripheral recess which extends over a certain height of the neck, which is extended downwards by another section of diameter substantially equal to that of the narrowed opening section. One can also imagine that the hollowed out opening section is in the form of a plurality of recesses distributed over the internal periphery of the neck. In other words, whatever the shape of the hollowed out opening section, it must at least locally have an internal diameter greater than that of the narrowed opening section. In the drawing form of the figures, the narrowed opening section is cylindrical, and the hollowed out opening section 14 extends downward from the narrowed opening section 13 starting with a flared transition section. We can consider that the flared transition section is part of the hollowed out opening section 33 since its diameter is less than that of the narrowed opening section 32. The hollowed out opening section 33 then extends downward to connect to the shoulder 37. It can of course be imagined that there is no transition section and that the hollowed out opening section is connected to the opening section narrowed by a sharp angle shoulder. In this case, it is not necessary to have a neck which extends over a certain height, and such an opening with a narrowed section and a hollowed out section can be produced at the level of the shoulder 37.
En revanche, dans le troisième mode de réahsation des figures 5 et 6, le col présente une paroi interne cylindrique, au moins sur la partie de sa hauteur destinée à coopérer avec l'organe de fixation. L'organe de distribution 2, qui est ici une pompe ou une valve, comprend un corps 20 définissant à son extrémité supérieure une bride 21 qui fait saillie vers l'extérieur. En dessous de cette bride, le corps de pompe définit une partie de corps 22 en dessous de laquelle se raccorde une seconde partie de corps 24 de diamètre inférieur de sorte qu'entre les deux parties de corps 22 et 24 il y a une transition 23 sous la forme d'un gradin tronconique, comme on peut le voir plus clairement sur les figures. En dessous de la seconde partie de corps 24, le corps 20 définit une autre partie de corps présentant encore un diamètre inférieur. On peut dire que le corps 20 est étage quatre fois, puisqu'il comprend quatre parties de corps de diamètre décroissant en partant de la bride 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 25 qui coulisse à l'intérieur du corps 20. Cette tige d'actionnement 25 est surmontée d'un poussoir 26 définissant un orifice de distribution. Pour actionner la pompe 2, il suffit d'appuyer sur le poussoir pour enfoncer la tige dans le corps, ce qui a pour effet de refouler une dose de produit à travers la tige jusqu'à l'orifice de distribution. Il s'agit là d'une pompe ou d'une valve tout à fait classique.On the other hand, in the third embodiment of FIGS. 5 and 6, the neck has a cylindrical internal wall, at least over the part of its height intended to cooperate with the fixing member. The dispensing member 2, which is here a pump or a valve, comprises a body 20 defining at its upper end a flange 21 which projects outwards. Below this flange, the pump body defines a body part 22 below which a second body part 24 of smaller diameter is connected so that between the two body parts 22 and 24 there is a transition 23 in the form of a frustoconical step, as can be seen more clearly in the figures. Below the second body part 24, the body 20 defines another body part which also has a smaller diameter. We can say that the body 20 is four stages, since it comprises four parts of the body decreasing in diameter starting from the flange 21. This is only a particular embodiment, and one can of course imagine a perfectly cylindrical body 20. Conventionally, the pump 2 comprises an actuating rod 25 which slides inside the body 20. This actuating rod 25 is surmounted by a pusher 26 defining a dispensing orifice. To activate pump 2, it suffices to press the plunger to push the rod into the body, which has the effect of pushing a dose of product through the rod to the dispensing orifice. This is a completely conventional pump or valve.
L'organe de fixation 1 a pour but de mamtenir l'organe de distribution 2 et de le fixer dans l'ouverture du col 30. L'organe se présente sous la forme d'une bague de fixation comprenant des moyens de réception sous la forme d'un manchon 12 définissant intérieurement un logement d'enchquetage 120 dans lequel est reçue la bride 21 de la pompe. La bague de fixation 1 comprend également une jupe de fixation 10 destinée à être insérée à l'intérieur du col. Cette jupe 10 s'étend sensiblement dans le prolongement du manchon 12. On peut remarquer que la jupe 10 n'est pas en contact du corps au niveau de la seconde partie de corps 22, mais qu'il subsiste un logement ou un espace intermédiaire 106 qui empêche tout contact ou interférence de la jupe 10 sur le corps 20. Ceci est possible du fait que le corps est étage, mais on aurait pu obtenir le même logement ou espace intermédiaire en étageant la jupe 10 par rapport au manchon 12. La jupe présente une paroi externe qui est sensiblement cylindrique comme dans le mode de réahsation des figures 3 et 4, ou profilé dans celui des figures 1, 2, 5 et 6. A son extrémité inférieure, la jupe peut être formée avec un chanfrein 108 qui permet de faciliter l'insertion de la jupe dans l'ouverture du col.The purpose of the fixing member 1 is to secure the dispensing member 2 and fix it in the opening of the neck 30. The member is in the form of a fixing ring comprising receiving means under the form of a sleeve 12 internally defining an encasing housing 120 in which the flange 21 of the pump is received. The fixing ring 1 also includes a fixing skirt 10 intended to be inserted inside the neck. This skirt 10 extends substantially in the extension of the sleeve 12. It may be noted that the skirt 10 is not in contact with the body at the second body part 22, but that there remains a housing or an intermediate space 106 which prevents any contact or interference of the skirt 10 on the body 20. This is possible because the body is level, but one could have obtained the same housing or intermediate space by staggering the skirt 10 relative to the sleeve 12. The skirt has an outer wall which is substantially cylindrical as in the embodiment of Figures 3 and 4, or profiled in that of Figures 1, 2, 5 and 6. At its lower end, the skirt can be formed with a chamfer 108 which makes it easier to insert the skirt into the opening of the collar.
La jupe 10 s'étend donc sensiblement dans le prolongement du manchon 12 en éloignement du corps 20 au niveau de sa section supérieure 22 pour y former un logement ou un espace intermédiaire 106. La bride 21 du corps 20 est encliquetée à l'intérieur du manchon 12 ce qui lui confère une certaine rigidité ou indéformabilité. Au niveau où la jupe 10 se raccorde au manchon 12, formant ainsi une jonction, s'étend une collerette 11 qui fait saillie radialement vers l'extérieur. Cette collerette 11 est pourvue au niveau de sa face inférieure d'une saignée 110 destinée à recevoir un jonc d'étanchéité 36 formé au niveau de l'extrémité supérieure 35 du col 30. La collerette radiale 11 procure également une caractéristique d'indéformabihté de la bague de sorte que l'extrémité supérieure 101 de la jupe est sensiblement indéformable. D'autre part, la jupe 10 définit une extrémité inférieure 102 qui est également sensiblement indéformable. Cette caractéristique d'indéformabihté est procurée ici par le fait que l'extrémité inférieure 102 définit une surface de contact 105 adaptée à venir en contact d'appui contre le corps 20, par exemple au niveau de la section de transition tronconique 23 et de la section 24. Il est à noter que le corps 20 est déjà maintenu de manière parfaitement stable à l'intérieur de l'organe de fixation du fait de l'enchquetage de la bride 21 dans le logement d'enchquetage 120 formé par le manchon 12. Cependant, la surface de contact 105 participe encore à la stabilité du corps 20 dans l'organe de fixation, premièrement du fait qu'elle enserre la section 24, et deuxièmement du fait qu'elle forme une butée contre la section de transition tronconique 23. En résumé, les extrémités supérieures 101 et inférieures 102 de la jupe 10 sont sensiblement indéformables.The skirt 10 therefore extends substantially in the extension of the sleeve 12 away from the body 20 at its upper section 22 to form a housing or an intermediate space 106. The flange 21 of the body 20 is snapped inside the sleeve 12 which gives it a certain rigidity or non-deformability. At the level where the skirt 10 is connected to the sleeve 12, thus forming a junction, extends a flange 11 which projects radially outward. This flange 11 is provided at its lower face with a groove 110 intended to receive a sealing ring 36 formed at the upper end 35 of the neck 30. The radial flange 11 also provides a characteristic of non-deformability of the ring so that the upper end 101 of the skirt is substantially non-deformable. On the other hand, the skirt 10 defines a lower end 102 which is also substantially non-deformable. This characteristic of indeformability is provided here by the fact that the lower end 102 defines a contact surface 105 adapted to come into bearing contact against the body 20, for example at the level of the frustoconical transition section 23 and the section 24. It should be noted that the body 20 is already held in a perfectly stable manner inside the fixing member due to the engagement of the flange 21 in the engagement housing 120 formed by the sleeve 12 However, the contact surface 105 still contributes to the stability of the body 20 in the fixing member, firstly because it encloses the section 24, and secondly because it forms a stop against the frustoconical transition section. 23. In summary, the upper 101 and lower 102 ends of the skirt 10 are substantially non-deformable.
Selon l'invention, la jupe 10 définit en outre une section élastiquement déformable 103 qui s'étend ici entre les extrémités indéformables 101 et 102. Cette section élastiquement déformable 103 se présente ici sous la forme d'un tronçon sensiblement cylindrique dont les deux extrémités 101 et 102 sont sensiblement indéformables. H est à noter que cette caractéristique de déformabilité élastique est conférée du fait que les extrémités sont sensiblement indéformables de sorte que la section élastiquement déformable est en quelque sorte maintenue ou « tendue » entre ces extrémités.According to the invention, the skirt 10 further defines an elastically deformable section 103 which here extends between the non-deformable ends 101 and 102. This elastically deformable section 103 is here in the form of a substantially cylindrical section whose two ends 101 and 102 are substantially non-deformable. It should be noted that this characteristic of elastic deformability is given by the fact that the ends are substantially undeformable so that the elastically deformable section is somehow maintained or "stretched" between these ends.
D'autre part, la section élastiquement déformable 103 est située au niveau où est formé le logement ou espace intermédiaire 106 qui sépare la jupe 10 du corps de pompe 20 au niveau de la section supérieure 22. A cet effet, on peut dire que ce logement 106 est formé par la paroi interne de la jupe 10, rextrémité inférieure indéformable 102 de la jupe 10, la section supérieure 22 du corps 20 et la collerette 21 encliquetée dans le manchon 12. Ce logement 106, qui est en grande partie délimité par la jupe 10, permet à la section élastiquement déformable 103 d'être déformée radialement vers l'intérieur sans venir en contact du corps 20. On peut ainsi dire que le logement 106 sert d'espace de débattement pour permettre la déformation de la section élastiquement déformable 103 vers intérieur.On the other hand, the elastically deformable section 103 is located at the level where the housing or intermediate space 106 is formed which separates the skirt 10 from the pump body 20 at the level of the upper section 22. For this purpose, it can be said that this housing 106 is formed by the internal wall of the skirt 10, non-deformable lower end 102 of the skirt 10, the upper section 22 of the body 20 and the flange 21 snapped into the sleeve 12. This housing 106, which is largely delimited by the skirt 10 allows the elastically deformable section 103 to be deformed radially inward without coming into contact with the body 20. It can thus be said that the housing 106 serves as clearance space to allow the deformation of the section elastically deformable 103 inwards.
Selon l'invention, ce logement 106 contient un matériau souple élastique 4, qui est de préférence très peu sujet au fluage de matière. En d'autre terme, ce matériau 4 doit présenter une caractéristique d'élasticité permanente même après une longue période de temps. La pièce de matériau souple 4 rempht partiellement le logement 106 de manière à laisser une partie libre ou vide 107. Ainsi, le matériau 4 peut venir s'expanser dans la partie vide 107 lorsque la section élastiquement déformable 103 est contrainte radialement vers l'intérieur, et diminue de ce fait le volume du logement 106. Le matériau 4 est de préférence disposé de manière à être en contact à la fois avec la paroi interne de la jupe et la paroi externe de la section supérieure 22 du corps de pompe 20. Ainsi, il peut jouer la fonction de ressort ou de rappel élastique permettant de conférer à la section élastiquement déformable 103 sa caractéristique de deformabihté élastiquement, au cas où elle viendrait à la perdre par fluage de matière. En effet, il est tout à fait possible dans le cadre de l'invention de se passer de la pièce de matériau élastique souple 4 disposée à l'intérieur du logement 106, au cas où la matière plastique constitutive de la jupe 10 présente une caractéristique de deformabihté élastique permanente ou durable, c'est à dire si elie n'est pas sujette à un fluage de matière comme c'est le cas bien souvent avec la plupart des matériaux plastiques. Dans le cas où la matière plastique constitutive de la jupe 10 est fluable, il est préférable de remplir partiellement le logement 106 avec un tel matériau élastique souple 4. Ce matériau permet de pousser en permanence la jupe 10 contre la paroi interne du col par réaction sur le corps de pompe 20. La pièce de matériau élastique souple 4 supplée par conséquent la section élastiquement déformable 103 au cas où cela est nécessaire.According to the invention, this housing 106 contains an elastic flexible material 4, which is preferably very little subject to material creep. In other words, this material 4 must have a characteristic of permanent elasticity even after a long period of time. The piece of flexible material 4 partially rempht the housing 106 so as to leave a free or empty part 107. Thus, the material 4 can come to expand in the empty part 107 when the elastically deformable section 103 is constrained radially inwards , and thereby decreases the volume of the housing 106. The material 4 is preferably arranged so as to be in contact with both the internal wall of the skirt and the external wall of the upper section 22 of the pump body 20. Thus, it can play the function of spring or elastic return making it possible to confer on the elastically deformable section 103 its characteristic of elastically deformability, in the event that it comes to lose it by creep of material. Indeed, it is entirely possible within the framework of the invention to dispense with the piece of flexible elastic material 4 disposed inside the housing 106, in the event that the plastic material constituting the skirt 10 has a characteristic permanent or lasting elastic deformability, i.e. if it is not subject to material creep as is often the case with most plastic materials. In the case where the plastic material constituting the skirt 10 is flowable, it is preferable to partially fill the housing 106 with such a flexible elastic material 4. This material makes it possible to permanently push the skirt 10 against the internal wall of the neck by reaction on the pump body 20. The piece of flexible elastic material 4 consequently supplements the elastically deformable section 103 in case this is necessary.
On se référera maintenant plus particulièrement aux figures 1 et 2 pour exphquer en détail ce premier mode de réahsation. Ici, le col 30 est formé avec une section d'ouverture rétrécie 32 qui se prolonge vers le bas par une section évidée 33. Quant à la jupe 10, elle est formée au niveau de sa paroi externe avec un cordon annulaire saillant 104 qui est situé dans la partie basse de la section élastiquement déformable 103. Une fois engagé au maximum dans le col comme représenté sur la figure 2, l'organe de fixation 1 est positionné de telle sorte que sa collerette 11 vient en butée sur l'extrémité supérieure 35 du col avec le jonc 36 en prise étanche dans la saigne 110. En outre, la section élastiquement déformable 103 est située au niveau de la section d'ouverture rétrécie 32. Etant donné que le diamètre interne de la section d'ouverture rétrécie 32 est inférieur au diamètre externe de la section élastiquement déformable 103, avant emmanchage de l'organe de fixation dans le col, la section d'ouverture rétrécie 32 a pour effet de déformer la section élastiquement déformable 103 vers l'intérieur de manière à former un bossage 134 qui réduit le volume interne du logement 106 dans lequel peut être disposée la pièce de matériau souple 4. La section élastiquement déformable 103 est ainsi déformée autour de la section d'ouverture rétrécie 32 de sorte que la partie supérieure de la section élastiquement déformable s'étend légèrement sur la section tronconique 34 du col et la partie inférieure de la section élastiquement déformable pourvue du cordon 104 vient se loger dans la section évidée 33, ce qui participe ou améliore la fixation et le blocage de l'organe de fixation à l'intérieur du col. On réalise en quelque sorte un encliquetage du cordon 104 dans la section évidée 103 alors que la section élastiquement déformable est pressée contre la section d'ouverture rétrécie 32 : cette action de pression peut avantageusement être complétée par la présence de la pièce de matériau élastique 4 dans le logement 106.We will now refer more particularly to Figures 1 and 2 to explain in detail this first mode of réahsation. Here, the neck 30 is formed with a narrowed opening section 32 which is extended downwards by a hollowed section 33. As for the skirt 10, it is formed at its outer wall with a projecting annular bead 104 which is located in the lower part of the elastically deformable section 103. Once engaged as much as possible in the neck as shown in FIG. 2, the fixing member 1 is positioned so that its flange 11 abuts on the upper end 35 of the neck with the rod 36 in tight engagement in the groove 110. In addition, the elastically deformable section 103 is located at the narrowed opening section 32. Since the internal diameter of the narrowed opening section 32 is less than the external diameter of the elastically deformable section 103, before the fixing member is fitted into the neck, the narrowed opening section 32 has the effect of deforming the elastically deformed section able 103 inwards so as to form a boss 134 which reduces the internal volume of the housing 106 in which the piece of flexible material can be placed 4. The elastically deformable section 103 is thus deformed around the narrowed opening section 32 so that the upper part of the elastically deformable section extends slightly over the frustoconical section 34 of the neck and the lower part of the elastically deformable section provided with the cord 104 is housed in the hollowed section 33, which contributes to or improves the fixing and blocking of the fixing member inside the neck. In a way, the cord 104 is snapped into the hollowed out section 103 while the elastically deformable section is pressed against the opening section. narrowed 32: this pressure action can advantageously be supplemented by the presence of the piece of elastic material 4 in the housing 106.
Dans la seconde forme de réahsation des figures 3 et 4, la section élastiquement déformable 103 présente une paroi externe sensiblement ou parfaitement cylindrique. D'autre part, le col est semblable ou identique à celui de la forme de réalisation des figures 1 et 2, c'est à dire avec une section d'ouverture rétrécie 32 qui se prolonge vers le bas par une section évidée 33. Une fois engagée dans le col comme représenté sur la figure 4, la jupe 10 est déformée de la même manière que sur la figure 2. La seule différence entre ces deux modes de réalisation est que la jupe 10 des figures 3 et 4 ne présente pas de cordon saillant 104 formé au niveau de la partie inférieure de la section élastiquement déformable 103. Le résultat est pratiquement identique hormis que la partie inférieure de la section élastiquement déformable 103 ne pénètre pas autant dans la section évidée 33 du col. Cela démontre que la jupe 10 peut être cylindrique ou formée avec des profils plus ou moins saillants.In the second form of reahsation of Figures 3 and 4, the elastically deformable section 103 has an outer wall substantially or perfectly cylindrical. On the other hand, the neck is similar or identical to that of the embodiment of Figures 1 and 2, that is to say with a narrowed opening section 32 which is extended downwards by a hollowed section 33. A once engaged in the neck as shown in Figure 4, the skirt 10 is deformed in the same manner as in Figure 2. The only difference between these two embodiments is that the skirt 10 of Figures 3 and 4 does not have protruding cord 104 formed at the lower part of the elastically deformable section 103. The result is practically identical except that the lower part of the elastically deformable section 103 does not penetrate as much into the hollowed section 33 of the neck. This demonstrates that the skirt 10 can be cylindrical or formed with more or less projecting profiles.
La troisième forme de réalisation des figures 5 et 6 est sensiblement identique quant à l'organe de fixation à celle des figures 1 et 2, en ce sens que la jupe 10 est formée avec un cordon saillant 104 formé au niveau de la section élastiquement déformable 103. En revanche, la paroi interne 31 du col 30 est ici parfaitement cylindrique. Une fois engagée dans le col, la jupe 10 est déformée au niveau de sa section élastiquement déformable 103 vers rintérieur de manière à former un bossage 134 qui pénètre dans le logement 106 et déforme ainsi la pièce de matériau souple 4. Quant à la paroi externe de la jupe 10, elle présente une configuration identique à celle de la paroi interne cylindrique 31 du col 30. L'esprit de l'invention réside dans le fait que la jupe engagée dans le col est élastiquement déformable (et non déformée par déplacement de matière ou fluage) : cette caractéristique de deformabihté élastique permettant à la jupe d'exercer une pression constante dans le temps contre la paroi interne du col. La jupe peut être aidée en cela par une pièce de matériau souple élastique durable placée à rintérieur de la jupe. The third embodiment of Figures 5 and 6 is substantially identical with respect to the fixing member to that of Figures 1 and 2, in that the skirt 10 is formed with a protruding bead 104 formed at the elastically deformable section 103. On the other hand, the internal wall 31 of the neck 30 is here perfectly cylindrical. Once engaged in the neck, the skirt 10 is deformed at the level of its elastically deformable section 103 towards the inside so as to form a boss 134 which penetrates into the housing 106 and thus deforms the piece of flexible material 4. As for the external wall of the skirt 10, it has a configuration identical to that of the cylindrical internal wall 31 of the neck 30. The spirit of the invention lies in the fact that the skirt engaged in the neck is elastically deformable (and not deformed by displacement of material or creep): this characteristic of elastic deformability allowing the skirt to exert constant pressure over time against the internal wall of the neck. The skirt can be helped in this by a piece of durable elastic flexible material placed inside the skirt.

Claims

Revendications claims
1.- Organe de fixation (1) pour fixer un organe de distribution (2) sur un col (30) de récipient (3), ledit organe de fixation comprenant des moyens de réception (120) destinés à recevoir ledit organe de distribution (2) et des moyens de fixation (10) destinés à coopérer avec une paroi interne (31) et une surface de butée (35) du col de récipient, lorsque l'organe de fixation a atteint sa position finale de fixation sur le col, lesdits moyens de fixation comprenant une collerette (11) qui s'étend vers l'extérieur et qui est destinée à venir en butée sur la surface de butée (35) du col en position finale et une jupe (10) destinée à être engagée dans le col de manière à venir en contact serrant avec la paroi interne (31) du col en position finale, ladite jupe (10) comprenant une extrémité supérieure (101) et une extrémité inférieure (102), caractérisé en ce que la jupe (10) comprend une section élastiquement déformable (103) radialement vers l'intérieur qui est adaptée à être et rester élastiquement déformée par contact avec la paroi interne (31) du col en position finale.1.- Fixing member (1) for fixing a dispensing member (2) on a container neck (30) (3), said fixing member comprising receiving means (120) intended to receive said dispensing member ( 2) and fixing means (10) intended to cooperate with an internal wall (31) and an abutment surface (35) of the container neck, when the fixing member has reached its final fixing position on the neck, said fixing means comprising a collar (11) which extends outwards and which is intended to come into abutment on the abutment surface (35) of the neck in the final position and a skirt (10) intended to be engaged in the neck so as to come into tight contact with the internal wall (31) of the neck in the final position, said skirt (10) comprising an upper end (101) and a lower end (102), characterized in that the skirt (10 ) includes an elastically deformable section (103) radially inwardly i is adapted to be and remain elastically deformed by contact with the internal wall (31) of the neck in the final position.
2.- Organe de fixation selon la revendication 1, dans lequel l'extrémité supérieure (101) de la jupe (10) est sensiblement indéformable, l'extrémité inférieure (102) de la jupe (10) étant également sensiblement indéformable, la section déformable (103) étant située entre les extrémités supérieure (101) et inférieure (102) indéformables.2. A fixing member according to claim 1, in which the upper end (101) of the skirt (10) is substantially non-deformable, the lower end (102) of the skirt (10) also being substantially non-deformable, the section deformable (103) being located between the upper (101) and lower (102) non-deformable ends.
3.- Organe de fixation selon la revendication 1 ou 2, dans lequel l'extrémité inférieure (102) forme une surface de contact (105) adaptée à venir en appui contre l'organe de distribution (2).3. A fixing member according to claim 1 or 2, wherein the lower end (102) forms a contact surface (105) adapted to bear against the dispensing member (2).
4.- Organe de fixation selon l'une quelconque des revendications précédentes, dans lequel la section déformable (103) définit intérieurement un logement annulaire (106) au niveau duquel la section déformable est destinée à rester hors de contact de l'organe de distribution (2) de manière à pouvoir être déformée vers l'intérieur sans venir en contact de l'organe de distribution. 4. A fastener according to any one of the preceding claims, in which the deformable section (103) internally defines an annular housing (106) at which the deformable section is intended to remain out of contact with the dispensing member. (2) so that it can be deformed inward without coming into contact with the dispensing member.
5.- Organe de fixation selon la revendication 4, dans lequel le logement (106) est situé au-dessus de l'extrémité inférieure (102) de la jupe qui définit une surface de contact (105), avantageusement étanche, qui est adaptée à venir en appui contre l'organe de distribution (2). 5. A fixing member according to claim 4, in which the housing (106) is situated above the lower end (102) of the skirt which defines a contact surface (105), advantageously sealed, which is adapted coming to bear against the distribution member (2).
6.- Organe de fixation selon la revendication 4 ou 5, dans lequel le logement (106) contient un matériau souple élastique (4) adapté à être comprimé radialement vers l'intérieur par la section déformable, avantageusement contre l'organe de distribution (2).6.- fastening member according to claim 4 or 5, wherein the housing (106) contains a flexible elastic material (4) adapted to be compressed radially inwardly by the deformable section, advantageously against the dispensing member ( 2).
7.- Organe de fixation selon l'une quelconque des revendications précédentes, dans lequel la section déformable (103) est extérieurement cylindrique.7. A fastener according to any one of the preceding claims, wherein the deformable section (103) is externally cylindrical.
8.- Organe de fixation selon l'une quelconque des revendications 2 à 6, dans lequel la jupe (10) est pourvue d'au moins un profil saillant (104) vers l'extérieur. 8.- fastener according to any one of claims 2 to 6, wherein the skirt (10) is provided with at least one projecting profile (104) outwards.
9.- Distributeur de produit fluide comprenant un récipient (3) formant un col (30), un organe de distribution (2) et un organe de fixation (1) selon l'une quelconque des revendications 1 à 8.9. A fluid dispenser comprising a container (3) forming a neck (30), a dispensing member (2) and a fixing member (1) according to any one of claims 1 to 8.
10.- Distributeur selon la revendication 9, dans lequel le col (30) définit une paroi interne (31) formée avec un évidement (33) destiné à recevoir la section déformable (103) de la jupe.10. A dispenser according to claim 9, wherein the neck (30) defines an internal wall (31) formed with a recess (33) intended to receive the deformable section (103) of the skirt.
11.- Distributeur selon la revendication 10, dans lequel la section (103) est pourvue d'un profil saillant (104) reçu dans l'évidement (33).11. A dispenser according to claim 10, wherein the section (103) is provided with a projecting profile (104) received in the recess (33).
12.- Distributeur selon la revendication 11, dans lequel la paroi interne comprend une section d'ouverture rétrécie (32) située au-dessus de l'évidement (33), la section déformable (103) étant déformée contre la section d'ouverture rétrécie, le profil saillant (104) étant reçu dans l'évidement.12. A dispenser according to claim 11, wherein the inner wall comprises a narrowed opening section (32) located above the recess (33), the deformable section (103) being deformed against the opening section narrowed, the projecting profile (104) being received in the recess.
13.- Distributeur selon la revendication 9, 10, 11 ou 12, dans lequel la jupe (10) est éloignée du corps (20) par un logement (106). 13. A dispenser according to claim 9, 10, 11 or 12, wherein the skirt (10) is spaced from the body (20) by a housing (106).
EP03760032A 2002-06-14 2003-06-13 Fixing member and fluid product dispenser comprising same Expired - Lifetime EP1542911B1 (en)

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FR0207386A FR2840890B1 (en) 2002-06-14 2002-06-14 FIXING MEMBER AND FLUID PRODUCT DISPENSER COMPRISING SUCH A FIXING MEMBER
FR0207386 2002-06-14
PCT/FR2003/001796 WO2003106294A2 (en) 2002-06-14 2003-06-13 Fixing member and fluid product dispenser comprising same

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EP1542911B1 EP1542911B1 (en) 2007-03-07

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EP (1) EP1542911B1 (en)
JP (1) JP2005533724A (en)
CN (1) CN1662431A (en)
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See references of WO03106294A2 *

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Publication number Publication date
FR2840890A1 (en) 2003-12-19
EP1542911B1 (en) 2007-03-07
DE60312343T2 (en) 2007-11-29
WO2003106294A2 (en) 2003-12-24
DE60312343D1 (en) 2007-04-19
ES2281661T3 (en) 2007-10-01
US20040035887A1 (en) 2004-02-26
BR0311796A (en) 2005-03-15
FR2840890B1 (en) 2004-10-15
AU2003255675A1 (en) 2003-12-31
WO2003106294A3 (en) 2004-04-15
CN1662431A (en) 2005-08-31
AU2003255675A8 (en) 2003-12-31
JP2005533724A (en) 2005-11-10

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