EP2956378A1 - Fastening device for sealing a fluid product reservoir - Google Patents

Fastening device for sealing a fluid product reservoir

Info

Publication number
EP2956378A1
EP2956378A1 EP14711807.9A EP14711807A EP2956378A1 EP 2956378 A1 EP2956378 A1 EP 2956378A1 EP 14711807 A EP14711807 A EP 14711807A EP 2956378 A1 EP2956378 A1 EP 2956378A1
Authority
EP
European Patent Office
Prior art keywords
neck
ring
skirt
lower shoulder
locking
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
EP14711807.9A
Other languages
German (de)
French (fr)
Other versions
EP2956378B1 (en
Inventor
Ghislain Fournier
Mickaël SWAL
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 Stelmi SAS
Original Assignee
Aptar Stelmi SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aptar Stelmi SAS filed Critical Aptar Stelmi SAS
Publication of EP2956378A1 publication Critical patent/EP2956378A1/en
Application granted granted Critical
Publication of EP2956378B1 publication Critical patent/EP2956378B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
    • B65D45/02—Clamping or other pressure-applying devices for securing or retaining closure members for applying axial pressure to engage closure with sealing surface
    • B65D45/30—Annular members, e.g. with snap-over action or screw-threaded
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1049—Attachment arrangements comprising a deformable or resilient ferrule clamped or locked onto the neck of the container by displacing, e.g. sliding, a sleeve surrounding the ferrule
    • 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
    • B65D39/00—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
    • B65D39/0005—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers made in one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
    • B65D45/32—Clamping or other pressure-applying devices for securing or retaining closure members for applying radial or radial and axial pressure, e.g. contractible bands encircling closure member
    • B65D45/322—Clamping or other pressure-applying devices for securing or retaining closure members for applying radial or radial and axial pressure, e.g. contractible bands encircling closure member the clamping device being an annular member moved axially to clamp the closure by using radial pressure
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/002—Closures to be pierced by an extracting-device for the contents and fixed on the container by separate retaining means
    • 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
    • B65D2539/00—Details relating to closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
    • B65D2539/001—Details of closures arranged within necks or pouring opening or in discharge apertures, e.g. stoppers
    • B65D2539/006—Details of closures arranged within necks or pouring opening or in discharge apertures, e.g. stoppers provided with separate sealing rings

Definitions

  • the present invention relates to a fastener for sealingly sealing a fluid reservoir which may be in the form of a vial, a cartridge, a pre-filled syringe, a cartridge, etc.
  • the reservoir forms a neck provided with an outer peripheral reinforcement defining with the remainder of the neck a lower shoulder under which the fastening device will hang.
  • the preferred field of application of the present invention is that of tanks closed by means of a closure member pierceable by means of a needle.
  • the present invention can also be applied to other fields such as those of pharmacy, perfumery or cosmetics where the closure member is associated with a pump or a valve.
  • the fixing device comprises a fixing ring associated with a locking ring which is engaged around the fixing ring.
  • a fixing ring comprising a peripheral skirt internally provided with attachment heads intended to engage under the shoulder of the neck.
  • a locking ring which is engaged axially around the skirt.
  • the radial thickness of this fastening device around the neck corresponds to the accumulation of the thicknesses of the skirt and the hoop. In some cases, the cumulative radial thickness is important, and incompatible with the configuration of the tank that is to be used.
  • the present invention aims to overcome the aforementioned drawbacks of the prior art by defining a ring and ring fastener device whose radial size around the neck is reduced.
  • the present invention provides a fastening device for closing a fluid reservoir formed with a collar provided with an outer peripheral reinforcement defining with the rest of the neck a shoulder lower, said fixing device comprising a fixing ring for holding a closure member on the neck, the fixing ring comprising a peripheral skirt which extends around the neck to below the lower shoulder, said skirt being provided with hooking elements each forming a contact zone capable of potentially coming into engagement with the neck under the lower shoulder to fix the ring on the neck, a locking band which is engaged around the peripheral skirt in a position final assembly for locking at least a part of the fastening elements under the lower shoulder, characterized in that the peripheral skirt forms vertical blades separated by axial slots, the locking ring forming vertical branches which are arranged in the axial slots between two vertical blades in final mounting position.
  • the vertical branches of the locking band interlock in the peripheral skirt at its axial slots, so that the vertical branches do not create any extra thickness either inwardly or outwardly.
  • the vertical branches strengthen the structure and strength of the peripheral skirt.
  • the locking band comprises an upper disc connected to a lower locking ring by at least two axial vertical branches.
  • the gripping elements extend downwardly below the vertical blades recessed inwards, so that the locking ring is housed below the blades in their alignment in contact with the elements. hanging in final mounting position.
  • the locking ring fits perfectly to the skirt by extending it downwards around the fastening elements. Not only does the locking ring create by radial excess thickness, but it also significantly strengthens the structure and the holding of the peripheral skirt. Indeed, the locking ring makes a tightening of the fastening elements, which has the effect of clamping the blades towards each other at the slots, thus wedging the vertical branches between them.
  • the locking ring is elastically deformable.
  • the locking ring can be temporarily expanded during its passage over the blades to gain its final position of engagement with the engaging elements below the blades.
  • the axial slots extend over the entire height of the skirt, so that the branches extend in the axial slots without creating extra thickness at the level of the skirt.
  • the branches do not even need to be deformed to be positioned in the slots between two adjacent blades.
  • the locking ring forms a locking ring which is held temporarily on the skirt of the fixing ring in a pre-assembled position before being moved axially in the final mounting position.
  • the ring and the hoop together form an integral entity that can be easily manipulated, especially when mounted on a tank neck.
  • some vertical blades are connected together at their lower ends by spacers supporting the fastening elements, a pair of vertical blades thus forming between them a window above their respective spacer.
  • the hooking elements can project inwards and downwards from these spacers.
  • the contact zones are located at different axial heights, so that certain contact zones come into operative engagement under the lower shoulder, while other contact zones remain inoperative.
  • the hooking elements are movable radially to pass over the outer reinforcement of the neck and engage under the lower shoulder.
  • the fastening elements comprise tabs that extend freely downwards, these tabs forming inwardly upwardly directed flanges which define the contact areas of different axial heights.
  • the invention also defines a fluid reservoir comprising a neck provided with a fastening device as described above to maintain a closure member on the neck.
  • the closure member may be a simple pierceable disc made of elastomer, or a neck joint associated with a dispensing member such as a pump or a valve.
  • the spirit of the invention lies in the fact of integrating or structurally interlocking the locking band in the fixing ring, so as to eliminate any radial extra thickness at the neck, while reinforcing the structure, resistance and holding the ring.
  • FIG. 1 is a greatly enlarged perspective view of a fastening device according to a first embodiment of the invention
  • FIG. 2 is a cross-sectional view through the fastening device of FIG. 1 ready to be mounted on a tank neck, and
  • Figures 3a and 3b are partial perspective views of the fixing device of Figures 1 and 2 being mounted on a tank neck.
  • This fixing device comprises a fixing ring 2 and a locking ring 3 intended to be mounted on a tank 1 to maintain a closure member 4.
  • the locking ring 3 may be an optional element in some cases of application.
  • the reservoir 1 which may be plastic or glass, is formed with a body 13 for containing fluid and a neck 10 at its upper part.
  • the neck 10 extends from the body 13 with a cylindrical section 14, then forms a shoulder 12 to the outside and is terminates with another cylindrical section of greater diameter forming an outer peripheral reinforcement 1 1.
  • the shoulder 12 thus forms the transition between the reinforcement 1 1 and the remainder of the neck which joins the body 1.
  • the neck also defines an annular edge 15.
  • the reservoir may be in the form of a vial, a carpule, a pre-filled syringe, a cartridge, etc.
  • the bottom of the tank is fixed or removable.
  • the closure member 4 is a disk or a pellet of elastically deformable material, such as rubber or other elastomeric material. Its thickness is of the order of 0.5mm to 30mm and a hardness of 30 to 70 shore A. The shutter member 4 will be crushed on the annular edge 15 of the neck 10 with a force to reduce its thickness up to 40%.
  • the closure member may also be in the form of a removable plug or fixed, or a neck joint associated with a dispensing member, such as a pump or a valve.
  • the fixing ring 2 is preferably made by injection molding of suitable plastic material, such as for example polyethylene or polypropylene.
  • the fixing ring 2 comprises a substantially plane top plate comprising a central ring 20 defining internally an opening 201.
  • the upper plate also comprises radial flanges 202 which extend outwardly from the central crown 20 in the manner of spokes.
  • the flanges 202 are spaced from each other and are connected on the outer periphery to vertical axial blades 22 which are separated from each other, either by axial slots 23 or by axial windows 25a, 25b.
  • Fastening elements, in the form of tabs 26a, 26b extend downwards from spacers 24a, 24b which connect together some blades 22.
  • the blades 22, the spacers 24a, 24b and the tabs 26a, 26b together form a peripheral skirt 21 which is both split at the slots 23 and perforated at the windows 25a, 25b.
  • the vertical axial slots 23 are open at both their axial ends, since the blades 22 which are adjacent to a slot 23 do not are interconnected at the level of the central ring 20.
  • the blades 22 which are adjacent to a window 25b are connected together by the spacer 24b. It is the same for the blades 22 which are adjacent to the windows 25a: they are connected together by the spacer 24a.
  • three blades 22 are connected together by a spacer 24a and a spacer 24b, the end plates being adjacent to two axial slots 23.
  • the windows 25a are smaller than the windows 25b, since the spacer 24a is axially higher than the spacer 24b.
  • the window sill forms the upper edge of the legs 26a and 26b.
  • These flanges form contact zones 27a, 27b intended to potentially come into engagement under the shoulder 12 of the neck 10. Since the spacers 24a and 24b have different heights, the contact zones 27a and 27b are also located at different locations. different levels or heights, as is clearly visible in Figure 2. It can clearly be seen that the tab 26a is higher than the tab 26b, so that one can qualify the tab 26a of long leg and the tab 26b of short leg.
  • the distance separating the contact zone 27a from the shutter member 4 is shorter than the distance separating the contact zone 27b from the closure member 4.
  • the flaps 26a, 26b extend inside the spacers 24a, 24b, so that they are recessed relative to a lower edge 28 formed jointly by the blades 22 and the spacers 24a, 24b, as can be seen in Figure 1.
  • the closure member 4 is disposed or pre-mounted inside the fixing ring 2, in contact with the upper plate formed by the central ring 20 and its flanges 202.
  • the peripheral edge of the body shutter 4 may be engaged within the re-entrant step 221 formed by the blades 22.
  • the shutter member 4 is accessible from the outside through the opening 201.
  • the locking band 3 comprises an upper disc 32 defining a central passage 34 which is aligned with the opening 201 of the ring 2.
  • the disc 32 On its outer periphery, the disc 32 is provided with a plurality of vertical axial branches 33, which preferably have a Likewise, the branches 33 form a re-entrant step 331, like that 221 of the blades 22.
  • the branches 33 are connected together at their lower end by a locking ring 31 which is preferably continuous over its entire periphery.
  • the locking ferrule 3 may be made of a relatively flexible or elastically deformable material, such as polyethylene or polypropylene.
  • the locking hoop 3 can be temporarily and not definitively mounted on the fixing ring 2 by engaging the locking ring 31 around the re-entrant step 221 of the blades 22 which are advantageously provided with retaining profiles. 222.
  • the locking ring 31 may advantageously be made with corresponding profiles on its inner face to cooperate with retaining profiles 222 of the re-entrant step.
  • the locking ring 3 and the fixing ring 2 together form a rigid entity difficult to dismantle. This integral entity can be easily handled, especially when mounting the fixing ring on a tank neck.
  • the locking ring 3 can be advantageously oriented on the fixing ring 2 so as to position the vertical branches 33 above and opposite the vertical axial slots 23. To this end, it can be provided means for orienting or indexing to angularly position the hoop 3 on the ring 2 in the position shown in Figure 1.
  • the peripheral skirt 21 is engaged around the neck 10 of the tank 1.
  • the locking ring 3 is still in its pre-assembled provisional position.
  • the zone of contact 27a of the long tab 26a fails to fit under the shoulder 12 of the neck 10, while the contact zone 27b of the short leg 26b is engaged under the shoulder 12.
  • the height of the peripheral reinforcement 1 1 the thickness or the compressibility of the shutter element 4 does not allow the long tabs to engage under the shoulder 12.
  • the long legs 26a could have engaged under the shoulder 12, but in this case, the contact areas 27b would then no longer be in contact with the 12.
  • the blade 22 which is adjacent to the long tab 26a is slightly outwardly deformed, and is constrained to remain in this state.
  • the vertical branches 33 of the locking band 3 are arranged in the axial vertical slots 23 so as to fill them.
  • the branches 33 complete the peripheral skirt 21 at the slits 23.
  • the locking ring 31 comes in alignment with the outer wall of the blades and is contiguous with the lower edge 28. Only the windows 25a, 25b remain open. Realizing the branches 23 with a wall thickness equal to or less than those of the blades 22, they interlock perfectly in the windows without creating radial extra thickness, neither inwardly nor outwardly. A fastening device is thus obtained whose radial thickness around the neck is limited to that of the peripheral skirt 21.
  • the branches 33 and the ring 31 consolidate the ring 2.
  • the size of the fixing device is greatly reduced, since the locking ring 3 does not create extra thickness at the peripheral skirt of the fixing ring.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Closures For Containers (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Insertion Pins And Rivets (AREA)

Abstract

A fastening device for sealing a fluid product reservoir (1) formed with a neck(10) provided with an outer peripheral reinforcement (11) defining, with the rest of the neck, a lower shoulder (12), said fastening device comprising: • - a retaining ring (2) for holding a sealing member (4) on the neck (10), the retaining ring (2) comprising a peripheral skirt (21) that extends around the neck as far as under the lower shoulder (12), said skirt (21) being provided with hooking elements (26a, 26b) each forming a contact area (27a, 27b) capable of potentially engaging with the neck (10) under the lower shoulder (12) to secure the ring (2) on the neck (10), • - a locking band (3) that is engaged around the peripheral skirt (21) in a final assembly position to block at least a portion of the hooking elements (26a, 26b) under the lower shoulder (12), characterised in that the peripheral skirt (21) forms vertical strips (22) separated by axial slots (23), the locking band (3) forming vertical branches (33) that are disposed in the axial slots (23) between two vertical strips (22) in the final assembly position.

Description

Dispositif de fixation pour obturer un réservoir de produit fluide  Fastening device for sealing a reservoir of fluid
La présente invention concerne un dispositif de fixation pour obturer de manière étanche un réservoir de produit fluide qui peut se présenter sous la forme d'un flacon, d'une carpule, une seringue pré-remplie, d'une cartouche, etc. Le réservoir forme un col pourvu d'un renfort périphérique extérieur définissant avec le reste du col un épaulement inférieur sous lequel le dispositif de fixation va s'accrocher. Le domaine d'application privilégié de la présente invention est celui des réservoirs obturés à l'aide d'un organe d'obturation perçable à l'aide d'une aiguille. Toutefois, la présente invention peut également s'appliquer à d'autres domaines comme ceux de la pharmacie, de la parfumerie ou de la cosmétique où l'organe d'obturation est associé à une pompe ou une valve.  The present invention relates to a fastener for sealingly sealing a fluid reservoir which may be in the form of a vial, a cartridge, a pre-filled syringe, a cartridge, etc. The reservoir forms a neck provided with an outer peripheral reinforcement defining with the remainder of the neck a lower shoulder under which the fastening device will hang. The preferred field of application of the present invention is that of tanks closed by means of a closure member pierceable by means of a needle. However, the present invention can also be applied to other fields such as those of pharmacy, perfumery or cosmetics where the closure member is associated with a pump or a valve.
En général, le dispositif de fixation comprend une bague de fixation associée à une frette de blocage qui est engagée autour de la bague de fixation. Dans l'art antérieur, on connaît de nombreux documents décrivant ce type de dispositif de fixation. Dans le domaine des pompes, le document EP-0 704 251 décrit une bague de fixation comprenant une jupe périphérique pourvue intérieurement de têtes d'accrochage destinées à venir en prise sous l'épaulement du col. Pour bloquer les têtes d'accrochage sous l'épaulement, il est prévu une frette de blocage qui est engagée axialement autour de la jupe. L'épaisseur radiale de ce dispositif de fixation autour du col correspond au cumul des épaisseurs de la jupe et de la frette. Dans certains cas, l'épaisseur radiale cumulée est importante, et incompatible avec la configuration du réservoir que l'on veut utiliser.  In general, the fixing device comprises a fixing ring associated with a locking ring which is engaged around the fixing ring. In the prior art, numerous documents describing this type of fastening device are known. In the field of pumps, EP-0 704 251 discloses a fixing ring comprising a peripheral skirt internally provided with attachment heads intended to engage under the shoulder of the neck. To lock the gripping heads under the shoulder, there is provided a locking ring which is engaged axially around the skirt. The radial thickness of this fastening device around the neck corresponds to the accumulation of the thicknesses of the skirt and the hoop. In some cases, the cumulative radial thickness is important, and incompatible with the configuration of the tank that is to be used.
La présente invention a pour but de remédier aux inconvénients précités de l'art antérieur en définissant un dispositif de fixation à bague et frette dont l'encombrement radiale autour du col est réduit.  The present invention aims to overcome the aforementioned drawbacks of the prior art by defining a ring and ring fastener device whose radial size around the neck is reduced.
Pour ce faire, la présente invention propose un dispositif de fixation pour obturer un réservoir de produit fluide formé avec un col pourvu d'un renfort périphérique extérieur définissant avec le reste du col un épaulement inférieur, ledit dispositif de fixation comportant une bague de fixation pour maintenir un organe d'obturation sur le col, la bague de fixation comportant une jupe périphérique qui s'étend autour du col jusqu'en dessous de l'épaulement inférieur, ladite jupe étant pourvue d'éléments d'accrochage formant chacun une zone de contact apte à venir potentiellement en prise avec le col sous l'épaulement inférieur pour fixer la bague sur le col, une frette de blocage qui est engagée autour de la jupe périphérique dans une position finale de montage pour bloquer au moins une partie des éléments d'accrochage sous l'épaulement inférieur, caractérisé en ce que la jupe périphérique forme des lames verticales séparées par des fentes axiales, la frette de blocage formant des branches verticales qui sont disposées dans les fentes axiales entre deux lames verticales en position finale de montage. Ainsi, les branches verticales de la frette de blocage s'imbriquent dans la jupe périphérique au niveau de ses fentes axiales, de sorte que les branches verticales ne créent aucune surépaisseur ni vers l'intérieur ni vers l'extérieur.To do this, the present invention provides a fastening device for closing a fluid reservoir formed with a collar provided with an outer peripheral reinforcement defining with the rest of the neck a shoulder lower, said fixing device comprising a fixing ring for holding a closure member on the neck, the fixing ring comprising a peripheral skirt which extends around the neck to below the lower shoulder, said skirt being provided with hooking elements each forming a contact zone capable of potentially coming into engagement with the neck under the lower shoulder to fix the ring on the neck, a locking band which is engaged around the peripheral skirt in a position final assembly for locking at least a part of the fastening elements under the lower shoulder, characterized in that the peripheral skirt forms vertical blades separated by axial slots, the locking ring forming vertical branches which are arranged in the axial slots between two vertical blades in final mounting position. Thus, the vertical branches of the locking band interlock in the peripheral skirt at its axial slots, so that the vertical branches do not create any extra thickness either inwardly or outwardly.
De plus, en comblant les fentes axiales, les branches verticales renforcent la structure et la résistance de la jupe périphérique. In addition, by filling the axial slots, the vertical branches strengthen the structure and strength of the peripheral skirt.
Selon une forme de réalisation pratique, la frette de blocage comprend un disque supérieur relié à une couronne de blocage inférieure par au moins deux branches verticales axiales. Avantageusement, les éléments d'accrochage s'étendent vers le bas en-dessous des lames verticales en retrait vers l'intérieur, de sorte que la couronne de blocage vient se loger en- dessous des lames dans leur alignement en contact appuyé avec les éléments d'accrochage en position finale de montage. Tout comme les branches verticales, la couronne de blocage s'intègre parfaitement à la jupe en la prolongeant vers le bas autour des éléments d'accrochage. Non seulement la couronne de blocage ne crée par de surépaisseur radiale, mais en outre elle renforce considérablement la structure et la tenue de la jupe périphérique. En effet, la couronne de blocage réalise un serrage des éléments d'accrochage, ce qui a pour effet de serrer les lames l'une vers l'autre au niveau des fentes, coinçant ainsi les branches verticales entre elles. De préférence, la couronne de blocage est élastiquement déformable. Ainsi, la couronne de blocage peut être dilatée temporairement lors de son passage au-dessus des lames pour gagner sa position finale de montage en prise avec les éléments d'accrochage en dessous des lames. According to a practical embodiment, the locking band comprises an upper disc connected to a lower locking ring by at least two axial vertical branches. Advantageously, the gripping elements extend downwardly below the vertical blades recessed inwards, so that the locking ring is housed below the blades in their alignment in contact with the elements. hanging in final mounting position. Just like the vertical branches, the locking ring fits perfectly to the skirt by extending it downwards around the fastening elements. Not only does the locking ring create by radial excess thickness, but it also significantly strengthens the structure and the holding of the peripheral skirt. Indeed, the locking ring makes a tightening of the fastening elements, which has the effect of clamping the blades towards each other at the slots, thus wedging the vertical branches between them. Preferably, the locking ring is elastically deformable. Thus, the locking ring can be temporarily expanded during its passage over the blades to gain its final position of engagement with the engaging elements below the blades.
Selon un autre aspect intéressant de l'invention, les fentes axiales s'étendent sur toute la hauteur de la jupe, de sorte que les branches s'étendent dans les fentes axiales sans créer de surépaisseur au niveau de la jupe. Ainsi, les branches n'ont même pas besoin d'être déformées pour venir se positionner dans les fentes entre deux lames adjacentes.  According to another interesting aspect of the invention, the axial slots extend over the entire height of the skirt, so that the branches extend in the axial slots without creating extra thickness at the level of the skirt. Thus, the branches do not even need to be deformed to be positioned in the slots between two adjacent blades.
Selon une autre caractéristique de l'invention, la frette de blocage forme une couronne de blocage qui est maintenue provisoirement sur la jupe de la bague de fixation dans une position pré-montée avant d'être déplacée axialement en position finale de montage. Ainsi, la bague et la frette forment ensemble une entité solidaire qui peut être aisément manipulée, notamment lors du montage sur un col de réservoir.  According to another characteristic of the invention, the locking ring forms a locking ring which is held temporarily on the skirt of the fixing ring in a pre-assembled position before being moved axially in the final mounting position. Thus, the ring and the hoop together form an integral entity that can be easily manipulated, especially when mounted on a tank neck.
Selon une autre caractéristique de l'invention, certaines lames verticales sont reliées ensemble au niveau de leurs extrémités inférieures par des entretoises supportant les éléments d'accrochage, une paire de lames verticales formant ainsi entre elles une fenêtre au-dessus de leur entretoise respective. Les éléments d'accrochage peuvent faire saillie vers l'intérieur et vers le bas à partir de ces entretoises.  According to another characteristic of the invention, some vertical blades are connected together at their lower ends by spacers supporting the fastening elements, a pair of vertical blades thus forming between them a window above their respective spacer. The hooking elements can project inwards and downwards from these spacers.
Selon un autre aspect intéressant de l'invention, les zones de contact sont situées à des hauteurs axiales différentes, de sorte que certaines zones de contact viennent en prise opérante sous l'épaulement inférieur, alors que d'autres zones de contact restent inopérantes. Avantageusement, les éléments d'accrochage sont mobiles radialement pour passer au-dessus du renfort extérieur du col et venir en prise sous l'épaulement inférieur. Ainsi, il est possible d'accrocher la bague de fixation sur un col de réservoir, même si des tolérances dimensionnelles, de compression et de fabrication de l'organe d'obturation et du col sont importantes.  According to another interesting aspect of the invention, the contact zones are located at different axial heights, so that certain contact zones come into operative engagement under the lower shoulder, while other contact zones remain inoperative. Advantageously, the hooking elements are movable radially to pass over the outer reinforcement of the neck and engage under the lower shoulder. Thus, it is possible to hang the fixing ring on a tank neck, even if dimensional tolerances, compression and manufacture of the closure member and the neck are important.
Selon une forme de réalisation pratique, les éléments d'accrochage comprennent des pattes qui s'étendent librement vers le bas, ces pattes formant intérieurement des rebords orientés vers le haut qui définissent les zones de contact de hauteurs axiales différentes. According to a practical embodiment, the fastening elements comprise tabs that extend freely downwards, these tabs forming inwardly upwardly directed flanges which define the contact areas of different axial heights.
L'invention définit également un réservoir de produit fluide comprenant un col pourvu d'un dispositif de fixation tel que décrit ci-dessus pour maintenir un organe d'obturation sur le col. L'organe d'obturation peut être un simple disque perçable en élastomère, ou encore un joint de col associé à un organe de distribution tel qu'une pompe ou une valve.  The invention also defines a fluid reservoir comprising a neck provided with a fastening device as described above to maintain a closure member on the neck. The closure member may be a simple pierceable disc made of elastomer, or a neck joint associated with a dispensing member such as a pump or a valve.
L'esprit de l'invention réside dans le fait d'intégrer ou d'imbriquer structurellement la frette de blocage dans la bague de fixation, de manière à éliminer toute surépaisseur radiale au niveau du col, tout en renforçant la structure, la résistance et la tenue de la bague.  The spirit of the invention lies in the fact of integrating or structurally interlocking the locking band in the fixing ring, so as to eliminate any radial extra thickness at the neck, while reinforcing the structure, resistance and holding the ring.
L'invention sera maintenant plus amplement décrite, en référence aux dessins joints, donnant à titre d'exemples non limitatifs deux modes de réalisation de l'invention.  The invention will now be more fully described, with reference to the accompanying drawings, giving by way of non-limiting examples two embodiments of the invention.
Sur les figures :  In the figures:
La figure 1 est une vue en perspective fortement agrandie d'un dispositif de fixation selon un premier mode de réalisation de l'invention,  FIG. 1 is a greatly enlarged perspective view of a fastening device according to a first embodiment of the invention,
La figure 2 est une vue en coupe transversale à travers le dispositif de fixation de la figure 1 prêt à être monté sur un col de réservoir, et  FIG. 2 is a cross-sectional view through the fastening device of FIG. 1 ready to be mounted on a tank neck, and
Les figures 3a et 3b sont des vues partielles en perspective du dispositif de fixation des figures 1 et 2 en cours de montage sur un col de réservoir.  Figures 3a and 3b are partial perspective views of the fixing device of Figures 1 and 2 being mounted on a tank neck.
On se référera tout d'abord aux figures 1 et 2 pour décrire la structure d'un dispositif selon le premier mode de réalisation de l'invention. Ce dispositif de fixation comprend une bague de fixation 2 et une frette de blocage 3 destinée à être montée sur un réservoir 1 pour maintenir un organe d'obturation 4. La frette de blocage 3 peut être un élément optionnel dans certains cas d'application.  Reference will firstly be made to FIGS. 1 and 2 to describe the structure of a device according to the first embodiment of the invention. This fixing device comprises a fixing ring 2 and a locking ring 3 intended to be mounted on a tank 1 to maintain a closure member 4. The locking ring 3 may be an optional element in some cases of application.
Le réservoir 1 , qui peut être en plastique ou en verre, est formé avec un corps 13 servant à contenir du produit fluide et un col 10 à sa partie supérieure. On voit que le col 10 s'étend à partir du corps 13 avec une section cylindrique 14, puis forme un épaulement 12 vers l'extérieur et se termine par une autre section cylindrique de diamètre supérieure formant un renfort périphérique extérieur 1 1 . L'épaulement 12 forme ainsi la transition entre le renfort 1 1 et le restant du col qui fait la jonction avec le corps 1 . Le col définit également un bord annulaire 15. Le réservoir peut se présenter sous la forme d'un flacon, d'une carpule, d'une seringue pré-remplie, d'une cartouche, etc. Le fond du réservoir est fixe ou amovible. The reservoir 1, which may be plastic or glass, is formed with a body 13 for containing fluid and a neck 10 at its upper part. We see that the neck 10 extends from the body 13 with a cylindrical section 14, then forms a shoulder 12 to the outside and is terminates with another cylindrical section of greater diameter forming an outer peripheral reinforcement 1 1. The shoulder 12 thus forms the transition between the reinforcement 1 1 and the remainder of the neck which joins the body 1. The neck also defines an annular edge 15. The reservoir may be in the form of a vial, a carpule, a pre-filled syringe, a cartridge, etc. The bottom of the tank is fixed or removable.
Dans l'exemple représenté, l'organe d'obturation 4 est un disque ou une pastille en matériau élastiquement déformable, comme par exemple du caoutchouc ou tout autre matériau élastomère. Son épaisseur est de l'ordre de 0.5mm à 30mm et sa une dureté de 30 à 70 shore A. L'organe d'obturation 4 va être écrasé sur le bord annulaire 15 du col 10 avec une force permettant de diminuer son épaisseur jusqu'à 40%. Bien que non représenté, l'organe d'obturation peut également se présenter sous la forme d'un bouchon amovible ou fixe, ou encore d'un joint de col associé à un organe de distribution, tel qu'une pompe ou une valve.  In the example shown, the closure member 4 is a disk or a pellet of elastically deformable material, such as rubber or other elastomeric material. Its thickness is of the order of 0.5mm to 30mm and a hardness of 30 to 70 shore A. The shutter member 4 will be crushed on the annular edge 15 of the neck 10 with a force to reduce its thickness up to 40%. Although not shown, the closure member may also be in the form of a removable plug or fixed, or a neck joint associated with a dispensing member, such as a pump or a valve.
La bague de fixation 2 est de préférence réalisée par injection moulage de matière plastique appropriée, comme par exemple du polyéthylène ou polypropylène. La bague de fixation 2 comprend un plateau supérieur sensiblement plan comprenant une couronne centrale 20 définissant intérieurement une ouverture 201 . Le plateau supérieur comprend également des brides radiales 202 qui s'étendent vers l'extérieur à partir de la couronne centrale 20 à la manière de rayons. Les brides 202 sont espacées les unes des autres et se raccordent sur la périphérie externe à des lames verticales axiales 22 qui sont séparées les unes des autres, soit par des fentes axiales 23, soit par des fenêtres axiales 25a, 25b. Des éléments d'accrochage, sous la forme de pattes 26a, 26b s'étendent vers le bas à partir d'entretoises 24a, 24b qui relient ensemble certaines lames 22. Les lames 22, les entretoises 24a, 24b et les pattes 26a, 26b forment ensemble une jupe périphérique 21 qui est à la fois fendue au niveau des fentes 23 et ajourée au niveau des fenêtres 25a, 25b. On peut remarquer que les fentes axiales verticales 23 sont ouvertes à leurs deux extrémités axiales, étant donné que les lames 22 qui sont adjacentes à une fente 23 ne sont raccordées entre elles qu'au niveau de la couronne centrale 20. A l'inverse, les lames 22 qui sont adjacentes à une fenêtre 25b sont reliées ensemble par l'entretoise 24b. Il en est de même pour les lames 22 qui sont adjacentes aux fenêtres 25a : elles sont reliées ensemble par l'entretoise 24a. Dans le mode de réalisation non limitatif des figures 1 à 3b, trois lames 22 sont reliées ensemble par une entretoise 24a et une entretoise 24b, les lames d'extrémité étant adjacentes à deux fentes axiales 23. The fixing ring 2 is preferably made by injection molding of suitable plastic material, such as for example polyethylene or polypropylene. The fixing ring 2 comprises a substantially plane top plate comprising a central ring 20 defining internally an opening 201. The upper plate also comprises radial flanges 202 which extend outwardly from the central crown 20 in the manner of spokes. The flanges 202 are spaced from each other and are connected on the outer periphery to vertical axial blades 22 which are separated from each other, either by axial slots 23 or by axial windows 25a, 25b. Fastening elements, in the form of tabs 26a, 26b extend downwards from spacers 24a, 24b which connect together some blades 22. The blades 22, the spacers 24a, 24b and the tabs 26a, 26b together form a peripheral skirt 21 which is both split at the slots 23 and perforated at the windows 25a, 25b. It may be noted that the vertical axial slots 23 are open at both their axial ends, since the blades 22 which are adjacent to a slot 23 do not are interconnected at the level of the central ring 20. In contrast, the blades 22 which are adjacent to a window 25b are connected together by the spacer 24b. It is the same for the blades 22 which are adjacent to the windows 25a: they are connected together by the spacer 24a. In the nonlimiting embodiment of Figures 1 to 3b, three blades 22 are connected together by a spacer 24a and a spacer 24b, the end plates being adjacent to two axial slots 23.
On peut remarquer que les fenêtres 25a sont plus petites que les fenêtres 25b, étant donné que l'entretoise 24a est plus haute axialement que l'entretoise 24b. En se référant à la figure 2, on peut voir que le seuil des fenêtres forme le rebord supérieur des pattes 26a et 26b. Ces rebords forment des zones de contact 27a, 27b destinées à venir potentiellement en prise sous l'épaulement 12 du col 10. Etant donné que les entretoises 24a et 24b présentent des hauteurs différentes, les zones de contact 27a et 27b sont également situées à des niveaux ou hauteurs différentes, comme cela est clairement visible sur la figure 2. On peut nettement voir que la patte 26a est plus haute que la patte 26b, de sorte que l'on peut qualifier la patte 26a de patte longue et la patte 26b de patte courte. En d'autres termes, la distance séparant la zone de contact 27a de l'organe d'obturation 4 est plus courte que la distance séparant la zone de contact 27b de l'organe d'obturation 4. On peut également remarquer que les pattes 26a, 26b s'étendent à l'intérieur des entretoises 24a, 24b, de sorte qu'elles sont disposées en retrait par rapport à un bord inférieur 28 formé conjointement par les lames 22 et les entretoises 24a, 24b, comme on peut le voir sur la figure 1 .  It should be noted that the windows 25a are smaller than the windows 25b, since the spacer 24a is axially higher than the spacer 24b. Referring to Figure 2, it can be seen that the window sill forms the upper edge of the legs 26a and 26b. These flanges form contact zones 27a, 27b intended to potentially come into engagement under the shoulder 12 of the neck 10. Since the spacers 24a and 24b have different heights, the contact zones 27a and 27b are also located at different locations. different levels or heights, as is clearly visible in Figure 2. It can clearly be seen that the tab 26a is higher than the tab 26b, so that one can qualify the tab 26a of long leg and the tab 26b of short leg. In other words, the distance separating the contact zone 27a from the shutter member 4 is shorter than the distance separating the contact zone 27b from the closure member 4. It may also be noted that the flaps 26a, 26b extend inside the spacers 24a, 24b, so that they are recessed relative to a lower edge 28 formed jointly by the blades 22 and the spacers 24a, 24b, as can be seen in Figure 1.
Les lames 22, à proximité de leur jonction avec les brides 202, forment un gradin rentrant 221 qui peut être pourvu de profils de retenue 222, visibles sur la figure 3b.  The blades 22, near their junction with the flanges 202, form a re-entrant step 221 which can be provided with retaining profiles 222, visible in Figure 3b.
L'organe d'obturation 4 est disposé ou pré-monté à l'intérieur de la bague de fixation 2, en contact avec le plateau supérieur formé par la couronne centrale 20 et ses brides 202. Le bord périphérique de l'organe d'obturation 4 peut être en prise à l'intérieur du gradin rentrant 221 formé par les lames 22. L'organe d'obturation 4 est accessible de l'extérieur à travers l'ouverture 201 . The closure member 4 is disposed or pre-mounted inside the fixing ring 2, in contact with the upper plate formed by the central ring 20 and its flanges 202. The peripheral edge of the body shutter 4 may be engaged within the re-entrant step 221 formed by the blades 22. The shutter member 4 is accessible from the outside through the opening 201.
La frette de blocage 3 comprend un disque supérieur 32 définissant un passage central 34 qui est aligné avec l'ouverture 201 de la bague 2. Sur sa périphérie externe, le disque 32 est pourvu de plusieurs branches axiales verticales 33, qui présentent de préférence un profil comparable ou identique à celui des lames 22. On peut par exemple remarquer que les branches 33 forment un gradin rentrant 331 , comme celui 221 des lames 22. Les branches 33 sont reliées ensemble à leur extrémité inférieure par une couronne de blocage 31 qui est de préférence continue sur toute sa périphérie. La frette de blocage 3 peut être réalisée en un matériau relativement souple ou élastiquement déformable, comme du polyéthylène ou du polypropylène.  The locking band 3 comprises an upper disc 32 defining a central passage 34 which is aligned with the opening 201 of the ring 2. On its outer periphery, the disc 32 is provided with a plurality of vertical axial branches 33, which preferably have a Likewise, the branches 33 form a re-entrant step 331, like that 221 of the blades 22. The branches 33 are connected together at their lower end by a locking ring 31 which is preferably continuous over its entire periphery. The locking ferrule 3 may be made of a relatively flexible or elastically deformable material, such as polyethylene or polypropylene.
Comme visible sur la figure 1 , la frette de blocage 3 peut être montée de manière provisoire et non définitive sur la bague de fixation 2 en engageant la couronne de blocage 31 autour du gradin rentrant 221 des lames 22 qui sont avantageusement pourvues des profils de retenue 222. La couronne de blocage 31 peut avantageusement être réalisée avec des profils correspondants sur sa face intérieure pour coopérer avec les profils de retenue 222 du gradin rentrant. Dans cette configuration provisoire prémontée, la frette de blocage 3 et la bague de fixation 2 forment ensemble une entité solidaire difficilement démontable. Cette entité solidaire peut être manipulée aisément, notamment lors du montage de la bague de fixation sur un col de réservoir. On peut remarquer que la frette de blocage 3 peut être avantageusement orientée sur la bague de fixation 2 de manière à positionner les branches verticales 33 au-dessus et en regard des fentes axiales verticales 23. Pour ce faire, il peut être prévu des moyens d'orientation ou d'indexation permettant de positionner angulairement la frette 3 sur la bague 2 dans la position représentée sur la figure 1 .  As can be seen in FIG. 1, the locking hoop 3 can be temporarily and not definitively mounted on the fixing ring 2 by engaging the locking ring 31 around the re-entrant step 221 of the blades 22 which are advantageously provided with retaining profiles. 222. The locking ring 31 may advantageously be made with corresponding profiles on its inner face to cooperate with retaining profiles 222 of the re-entrant step. In this premounted provisional configuration, the locking ring 3 and the fixing ring 2 together form a rigid entity difficult to dismantle. This integral entity can be easily handled, especially when mounting the fixing ring on a tank neck. It may be noted that the locking ring 3 can be advantageously oriented on the fixing ring 2 so as to position the vertical branches 33 above and opposite the vertical axial slots 23. To this end, it can be provided means for orienting or indexing to angularly position the hoop 3 on the ring 2 in the position shown in Figure 1.
En se référant à la figure 3a, on voit que la jupe périphérique 21 est engagée autour du col 10 du réservoir 1 . La frette de blocage 3 est toujours dans sa position provisoire pré-montée. On peut remarquer que la zone de contact 27a de la patte longue 26a ne parvient pas à se loger sous l'épaulement 12 du col 10, alors que la zone de contact 27b de la patte courte 26b est engagée sous l'épaulement 12. On est ici dans un cas d'application dans lequel la hauteur du renfort périphérique 1 1 , l'épaisseur ou la compressibilité de l'élément d'obturation 4 ne permet pas aux pattes longues de s'engager sous l'épaulement 12. Avec une hauteur de renfort périphérique 1 1 ou plus faible, et/ou un organe d'obturation moins épais ou plus souple, les pattes longues 26a auraient pu s'engager sous l'épaulement 12, mais dans ce cas, les zones de contact 27b ne seraient alors plus en contact avec l'épaulement 12. Sur la figure 3a, la lame 22 qui est adjacente à la patte longue 26a est légèrement déformée vers l'extérieur, et est contrainte de rester dans cet état. Referring to FIG. 3a, it can be seen that the peripheral skirt 21 is engaged around the neck 10 of the tank 1. The locking ring 3 is still in its pre-assembled provisional position. We can notice that the zone of contact 27a of the long tab 26a fails to fit under the shoulder 12 of the neck 10, while the contact zone 27b of the short leg 26b is engaged under the shoulder 12. Here we are in a case of application in which the height of the peripheral reinforcement 1 1, the thickness or the compressibility of the shutter element 4 does not allow the long tabs to engage under the shoulder 12. With a peripheral reinforcement height 1 1 or lower, and / or a closure member less thick or more flexible, the long legs 26a could have engaged under the shoulder 12, but in this case, the contact areas 27b would then no longer be in contact with the 12. In FIG. 3a, the blade 22 which is adjacent to the long tab 26a is slightly outwardly deformed, and is constrained to remain in this state.
Une poussée axiale sur le disque 32 de la frette de blocage 3 va permettre à la couronne de blocage 31 de quitter sa position provisoire prémontée, de glisser avec frottement autour des lames 22 pour gagner la position finale de montage, dans laquelle elle vient se loger en dessous des lames 22 et des entretoises 24a, 24b en contact avec la face externe des pattes 26a, 26b. La couronne de blocage 31 va bloquer les pattes courtes 26b sous l'épaulement 22 et contraindre très fortement les pattes longues 26a contre le renfort périphérique 1 1 . Ceci est représenté sur la figure 3b, sur laquelle on peut voir que la couronne 33 est légèrement déformée vers l'extérieur au niveau de la patte longue 26a qui ne peut s'engager sous l'épaulement 12, ou du moins que partiellement. La lame 22 qui est adjacente à cette patte longue 26a est toujours légèrement inclinée vers l'extérieur. Il est à noter que la lame 22 qui est à la fois adjacente à la patte longue 26a et à la branche 33 a été partiellement découpée sur la figure 3b pour laisser apparaître l'engagement incomplet de la patte longue 26a sous l'épaulement 12.  An axial thrust on the disc 32 of the locking collar 3 will allow the locking ring 31 to leave its premounted provisional position, sliding frictionally around the blades 22 to gain the final mounting position, in which it is housed below the blades 22 and spacers 24a, 24b in contact with the outer face of the tabs 26a, 26b. The locking ring 31 will block the short tabs 26b under the shoulder 22 and strongly force the long tabs 26a against the peripheral reinforcement January 1. This is shown in Figure 3b, on which it can be seen that the ring 33 is slightly deformed outwardly at the long tab 26a which can not engage under the shoulder 12, or at least partially. The blade 22 which is adjacent to this long lug 26a is always slightly inclined outwards. It should be noted that the blade 22 which is both adjacent to the long tab 26a and to the branch 33 has been partially cut in FIG. 3b to reveal the incomplete engagement of the long tab 26a under the shoulder 12.
Selon une caractéristique de l'invention, les branches verticales 33 de la frette de blocage 3 sont disposées dans les fentes verticales axiales 23 de manière à les combler. De ce fait, les branches 33 complètent la jupe périphérique 21 au niveau des fentes 23. On peut également remarquer que la couronne de blocage 31 vient en alignement avec la paroi externe des lames et est jointive avec le bord inférieur 28. Seules les fenêtres 25a, 25b restent ouvertes. En réalisant les branches 23 avec une épaisseur de paroi égale ou inférieure à celles des lames 22, elles s'imbriquent parfaitement dans les fenêtres sans créer de surépaisseur radiale, ni vers l'intérieur ni vers l'extérieur. On obtient ainsi un dispositif de fixation dont l'épaisseur radiale autour du col est limitée à celui de la jupe périphérique 21 . De plus, les branches 33 et la couronne 31 consolident la bague 2. According to one characteristic of the invention, the vertical branches 33 of the locking band 3 are arranged in the axial vertical slots 23 so as to fill them. As a result, the branches 33 complete the peripheral skirt 21 at the slits 23. It can also be noted that the locking ring 31 comes in alignment with the outer wall of the blades and is contiguous with the lower edge 28. Only the windows 25a, 25b remain open. Realizing the branches 23 with a wall thickness equal to or less than those of the blades 22, they interlock perfectly in the windows without creating radial extra thickness, neither inwardly nor outwardly. A fastening device is thus obtained whose radial thickness around the neck is limited to that of the peripheral skirt 21. In addition, the branches 33 and the ring 31 consolidate the ring 2.
Grâce à l'invention, l'encombrement du dispositif de fixation est fortement réduit, étant donné que la frette de blocage 3 ne crée pas de surépaisseur au niveau de la jupe périphérique de la bague de fixation.  Thanks to the invention, the size of the fixing device is greatly reduced, since the locking ring 3 does not create extra thickness at the peripheral skirt of the fixing ring.

Claims

Revendications claims
1 . - Dispositif de fixation pour obturer un réservoir de produit fluide1. - Fixing device for closing a reservoir of fluid
(I ) formé avec un col (10) pourvu d'un renfort périphérique extérieur(I) formed with a neck (10) provided with an outer peripheral reinforcement
(I I ) définissant avec le reste du col un épaulement inférieur (12), ledit dispositif de fixation comportant : (I I) defining with the remainder of the neck a lower shoulder (12), said fixing device comprising:
- une bague de fixation (2) pour maintenir un organe d'obturation (4) sur le col (10), la bague de fixation (2) comportant une jupe périphérique (21 ) qui s'étend autour du col jusqu'en dessous de l'épaulement inférieur (12), ladite jupe (21 ) étant pourvue d'éléments d'accrochage (26a, 26b) formant chacun une zone de contact (27a, 27b) apte à venir potentiellement en prise avec le col (10) sous l'épaulement inférieur (12) pour fixer la bague (2) sur le col (10),  - a fixing ring (2) for holding a closure member (4) on the neck (10), the fixing ring (2) having a peripheral skirt (21) which extends around the neck to below the lower shoulder (12), said skirt (21) being provided with fastening elements (26a, 26b) each forming a contact zone (27a, 27b) adapted to potentially engage with the neck (10) under the lower shoulder (12) for fixing the ring (2) on the neck (10),
- une frette de blocage (3) qui est engagée autour de la jupe périphérique (21 ) dans une position finale de montage pour bloquer au moins une partie des éléments d'accrochage (26a, 26b) sous l'épaulement inférieur (12),  - a locking band (3) which is engaged around the peripheral skirt (21) in a final mounting position for locking at least a portion of the hooking elements (26a, 26b) under the lower shoulder (12),
caractérisé en ce que la jupe périphérique (21 ) forme des lames verticales (22) séparées par des fentes axiales (23), la frette de blocage (3) formant des branches verticales (33) qui sont disposées dans les fentes axiales (23) entre deux lames verticales (22) en position finale de montage.  characterized in that the peripheral skirt (21) forms vertical slats (22) separated by axial slits (23), the locking hoop (3) forming vertical branches (33) which are arranged in the axial slits (23) between two vertical blades (22) in the final mounting position.
2. - Dispositif de fixation selon la revendication 1 , dans lequel la frette de blocage (3) comprend un disque supérieur (32) relié à une couronne de blocage inférieure (31 ) par au moins deux branches verticales axiales (33). 2. - Fixing device according to claim 1, wherein the locking ring (3) comprises an upper disk (32) connected to a lower locking ring (31) by at least two axial vertical branches (33).
3. - Dispositif de fixation selon la revendication 2, dans lequel les éléments d'accrochage (26a, 26b) s'étendent vers le bas en-dessous des lames verticales (22) en retrait vers l'intérieur, de sorte que la couronne de blocage (31 ) vient se loger en-dessous des lames (22) dans leur alignement en contact appuyé avec les éléments d'accrochage (26a, 26b) en position finale de montage. 3. - Fastening device according to claim 2, wherein the fastening elements (26a, 26b) extend downwardly below the vertical blades (22) recessed inwardly, so that the crown blocking device (31) is housed below the blades (22) in their alignment in pressed contact with the fastening elements (26a, 26b) in the final mounting position.
4. - Dispositif de fixation selon l'une quelconque la revendication 2 ou 3, dans lequel la couronne de blocage (31 ) est élastiquement déformable. 4. - Fixing device according to any one of claim 2 or 3, wherein the locking ring (31) is elastically deformable.
5. - Dispositif de fixation selon l'une quelconque des revendications précédentes, dans lequel les fentes axiales (22) s'étendent sur toute la hauteur de la jupe (21 ), de sorte que les branches (33) s'étendent dans les fentes axiales (23) sans créer de surépaisseur au niveau de la jupe (21 ). 5. - Fastening device according to any one of the preceding claims, wherein the axial slots (22) extend over the entire height of the skirt (21), so that the legs (33) extend in the axial slots (23) without creating extra thickness at the skirt (21).
6. - Dispositif de fixation selon l'une quelconque des revendications précédentes, dans lequel la frette de blocage (3) forme une couronne de blocage (31 ) qui est maintenue provisoirement sur la jupe (21 ) de la bague de fixation (2) dans une position pré-montée avant d'être déplacée axialement en position finale de montage. 6. - Fastening device according to any one of the preceding claims, wherein the locking ring (3) forms a locking ring (31) which is held temporarily on the skirt (21) of the fixing ring (2). in a pre-mounted position before being moved axially into the final mounting position.
7. - Dispositif de fixation selon l'une quelconque des revendications précédentes, dans lequel certaines lames verticales (22) sont reliées ensemble au niveau de leurs extrémités inférieures par des entretoises (24a, 24b) supportant les éléments d'accrochage (26a, 26b), une paire de lames verticales (22) formant ainsi entre elles une fenêtre (25a, 25b) au-dessus de leur entretoise respective (24a, 24b). 7. - Fixing device according to any one of the preceding claims, wherein some vertical blades (22) are connected together at their lower ends by spacers (24a, 24b) supporting the fastening elements (26a, 26b). ), a pair of vertical blades (22) thus forming between them a window (25a, 25b) above their respective spacer (24a, 24b).
8. - Dispositif de fixation selon l'une quelconque des revendications précédentes, dans lequel les zones de contact (27a, 27b) sont situées à des hauteurs axiales différentes, de sorte que certaines zones de contact (27a, 27b) viennent en prise opérante sous l'épaulement inférieur (12), alors que d'autres zones de contact restent inopérantes. 8. - Fastening device according to any one of the preceding claims, wherein the contact areas (27a, 27b) are located at different axial heights, so that certain contact areas (27a, 27b) come into operative engagement under the lower shoulder (12), while other contact areas remain inoperative.
9. - Dispositif de fixation selon la revendication 8, dans lequel les éléments d'accrochage (26a, 26b) sont mobiles radialement pour passer au-dessus du renfort extérieur (1 1 ) du col et venir en prise sous l'épaulement inférieur (12). 9. - Fastening device according to claim 8, wherein the fastening elements (26a, 26b) are radially movable to pass over the outer reinforcement (1 1) of the neck and engage under the lower shoulder ( 12).
10. - Dispositif de fixation selon l'une quelconque des revendications 1 à 9, dans lequel les éléments d'accrochage comprennent des pattes (26a, 26b) qui s'étendent librement vers le bas, ces pattes (26a, 26b) formant intérieurement des rebords orientés vers le haut qui définissent les zones de contact (27a, 27b) de hauteurs axiales différentes. 10. - Fastening device according to any one of claims 1 to 9, wherein the fastening elements comprise tabs (26a, 26b) which extend freely downwardly, these tabs (26a, 26b) forming internally. upwardly directed flanges which define the contact areas (27a, 27b) of different axial heights.
1 1 .- Réservoir de produit fluide (1 ) comprenant un col (10) pourvu d'un dispositif de fixation selon l'une quelconque des revendications précédentes pour maintenir un organe d'obturation (4) sur le col (10). 1 1 .- Fluid product tank (1) comprising a neck (10) provided with a fixing device according to any one of the preceding claims for holding a closure member (4) on the neck (10).
EP14711807.9A 2013-02-14 2014-02-11 Fastening device for sealing a fluid product reservoir Active EP2956378B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1351279A FR3001954B1 (en) 2013-02-14 2013-02-14 FIXING DEVICE FOR SEPARATING A FLUID PRODUCT TANK.
PCT/FR2014/050256 WO2014125202A1 (en) 2013-02-14 2014-02-11 Fastening device for sealing a fluid product reservoir

Publications (2)

Publication Number Publication Date
EP2956378A1 true EP2956378A1 (en) 2015-12-23
EP2956378B1 EP2956378B1 (en) 2017-04-12

Family

ID=48652235

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14711807.9A Active EP2956378B1 (en) 2013-02-14 2014-02-11 Fastening device for sealing a fluid product reservoir

Country Status (10)

Country Link
US (1) US9776775B2 (en)
EP (1) EP2956378B1 (en)
JP (1) JP6306614B2 (en)
KR (1) KR102130471B1 (en)
CN (1) CN105073590B (en)
DK (1) DK2956378T3 (en)
FR (1) FR3001954B1 (en)
IL (1) IL240059A (en)
PL (1) PL2956378T3 (en)
WO (1) WO2014125202A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10039913B2 (en) * 2015-07-30 2018-08-07 Carefusion 303, Inc. Tamper-resistant cap
US11642280B2 (en) * 2020-11-10 2023-05-09 Corning Incorporated Glass containers and sealing assemblies for maintaining seal integrity at low storage temperatures
WO2023056464A1 (en) 2021-09-30 2023-04-06 Corning Incorporated Glass containers for storing pharmaceutical compositions

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Publication number Priority date Publication date Assignee Title
CH643201A5 (en) * 1979-11-07 1984-05-30 Createchnic Patent Ag SEALING CAP AND METHOD FOR THEIR PRODUCTION.
US5314084A (en) * 1992-08-21 1994-05-24 The West Company, Incorporated Two piece all plastic seal
US5562219A (en) * 1994-09-22 1996-10-08 Valois, S.A. Device for attaching a dispenser member to a receptacle
US6799690B2 (en) * 2000-05-05 2004-10-05 Valois S.A. Attachment device to attach a pump or valve onto a recipient neck
JP2004501033A (en) * 2000-05-31 2004-01-15 バルワー　エス．アー．エス． Dispenser having fixing member, and fixing member used for such dispenser
US6695171B2 (en) * 2002-02-12 2004-02-24 Seaquistperfect Dispensing Foreign, Inc. Pump dispenser
FR2884806B1 (en) * 2005-04-25 2007-07-20 Valois Sas FIXING DEVICE FOR ATTACHING A PUMP OR VALVE TO A CONTAINER COLUMN AND FLUID PRODUCT DISPENSER COMPRISING SUCH A FIXING DEVICE
ATE487543T1 (en) 2005-09-19 2010-11-15 Valois Sas LOCKING SLEEVE FOR FASTENING A LOCKING DEVICE AND LOCKING DEVICE
FR2891530B1 (en) * 2005-10-04 2007-12-07 Valois Sas RECOVERY BODY, METHOD FOR MANUFACTURING SAME, AND FLUID PRODUCT DISPENSER USING SAME
JP4891815B2 (en) * 2007-03-12 2012-03-07 塩野義製薬株式会社 Overcap and vial with overcap
FR2931138B1 (en) * 2008-05-19 2010-05-28 Valois Sas FLUID PRODUCT DISPENSER
FR2940251A1 (en) * 2008-12-22 2010-06-25 Rexam Dispensing Sys DEVICE FOR FIXING A DISTRIBUTION PUMP TO A VIAL CONTAINING A PRODUCT
FR2950035B1 (en) * 2009-09-15 2011-09-02 Raymond A & Cie LOCKING COIFFE FOR CONTAINER WITH COLLAR

Also Published As

Publication number Publication date
WO2014125202A1 (en) 2014-08-21
KR102130471B1 (en) 2020-08-05
EP2956378B1 (en) 2017-04-12
IL240059A (en) 2017-01-31
JP2016514072A (en) 2016-05-19
US9776775B2 (en) 2017-10-03
IL240059A0 (en) 2015-09-24
CN105073590A (en) 2015-11-18
JP6306614B2 (en) 2018-04-04
FR3001954B1 (en) 2015-02-27
PL2956378T3 (en) 2017-09-29
US20160009460A1 (en) 2016-01-14
KR20150119881A (en) 2015-10-26
DK2956378T3 (en) 2017-07-24
CN105073590B (en) 2017-12-29
FR3001954A1 (en) 2014-08-15

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