EP1088771A1 - Threaded dispensing cap closing completely with enhanced sealing - Google Patents

Threaded dispensing cap closing completely with enhanced sealing Download PDF

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Publication number
EP1088771A1
EP1088771A1 EP00440259A EP00440259A EP1088771A1 EP 1088771 A1 EP1088771 A1 EP 1088771A1 EP 00440259 A EP00440259 A EP 00440259A EP 00440259 A EP00440259 A EP 00440259A EP 1088771 A1 EP1088771 A1 EP 1088771A1
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EP
European Patent Office
Prior art keywords
central
shutter
cap according
distributor cap
capsule
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.)
Withdrawn
Application number
EP00440259A
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German (de)
French (fr)
Inventor
Jean-Pierre Sittler
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Individual
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Individual
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Publication date
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Publication of EP1088771A1 publication Critical patent/EP1088771A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/24—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat
    • B65D47/241—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a cap-like element
    • B65D47/242—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a cap-like element moving helically

Definitions

  • the invention relates to a plug reinforced sealing dispenser for bottles, tubes, bottles with threaded necks or other containers.
  • This distributor cap is made in two parts, one, the shutter coming up to pivoting and locking outside on the neck and the other, the upper outlet capsule covering the shutter and keeping on this by the cooperation of means with pins and quarter-turn screwing ramps shaped in the inner face of the side wall of the capsule.
  • the quarter turn rotation of the capsule provides range of motion sufficient to allow end-of-travel shutter total of the upper outlet.
  • This filling is carried out by the penetration of the conical end of a central rod the shutter in the hole with conical inner edge of the capsule.
  • the two pieces of this cap have each a complex technical conformation.
  • the molding requires a complicated mold and expensive.
  • the mechanization of the assembly of the capsule on the shutter represents a succession phases that are difficult to perform and limited in speed.
  • the main object of the invention is to ensure total and reliable sealing at all levels.
  • Another object of the invention is to provide an easy to manufacture and inexpensive cap by offering various additional functions such as that the closing and start signaling opening, mounting on all necks standardized, reuse ...
  • the invention relates to a dispenser cap for vials, tubes, bottles or other threaded neck containers with a shutter and a capsule having on its upper face a partially closed central outlet orifice completely by a screwing movement of the capsule on the threaded neck characterized in that the shutter mounts by pressing into the threaded neck and that the shutter is a hollow body whose opening free of the interior cavity is delimited by a upper annular flange of support and occupied by a central chimney presenting an exit zone of the product and a shutter end for occupy the section of the central orifice of the capsule, said capsule being a cylindrical hollow body with a face lateral internal threaded, with central well cylindrical surrounding the central chimney of the shutter and press the seal against its wall below the product outlet area and leading to the exterior through the dispensing orifice, the cavity inside of the capsule with a skirt cylindrical concentric to the central well whose edge free lower comes to seal on the upper annular flange of the shutter.
  • the inner side surface of the shutter and the outer one of the central well are additionally each provided with a partition wall perpendicular to this surface for the realization a pivoting stop.
  • the distributor cap 1 is of the type comprising two parts, a shutter 2 and a capsule or cap 3. It is screwed onto a neck 4 threaded, with threads 5 shaped in the material of a vial 6, a bottle, a can, a tube or any other container or container with or without a collar 7 as shown in Figure 1.
  • This neck 4 ends with an annular upper edge flat 8.
  • the shutter 2 is a shaped part general cylindrical and hollow with lateral face 9 and upper flange 10 intended to come to bear on the top edge 8 of neck 4.
  • the upper flange 10 of the shutter may also have on its underside a perimeter rib directed downwards. This rib forms a sealing lip which is forced into support against the flat surface of the upper edge 8 of the neck and thus improves sealing when the shutter is placed on the container.
  • the lateral surface 9 of this shutter is adjusted to the inside diameter of the neck and has a sealing relief for example three ribs parallels such as 11 forming beads raised annulars.
  • these relief structures provide a seal between the neck and the shutter body 2 by pressure contact on the inner side face with the material of the neck 4.
  • the part serving as a shutter 2 has a cavity interior 12 occupied by a section 13 of partition in position substantially perpendicular to the face lateral interior.
  • the shutter 2 present in central position a central outlet chimney 14 formed of a central orifice 15 for admission to the lower end of a central cylindrical barrel 16 delimited by a cylindrical wall.
  • This fireplace is outlet 14 ends with a closure end 17 connected to the cylindrical wall 16 by three branches such as 18 spaced from each other and for example equidistant.
  • the branches are from small but sufficient section to ensure good mechanical strength of the assembly.
  • the shutter end is shaped as slightly conical nipple 17 ensuring tight sealing of the capsule outlet passage when inside it and engaged in closing in the exit passage.
  • the shutter 2 being fixed because it is fitted on the neck 4 of the container, it is the capsule or the cap which moves in approximation translation or distance respectively when screwing or unscrewing for obturation or release a central orifice 19 for distribution which comprises the capsule 3 on its upper face.
  • the capsule or cap 3 is also a generally cylindrical hollow part with face upper 20 flat or slightly convex convex.
  • the inner side side surface has a thread 21 adapted to that of neck 4 to allow screwing the cap on the neck 4 between a fully closed position in which the edge lower 22 of the cap comes to wear on the collar 7 of the neck to ensure a primary seal and a open position in which the cap 3 is unscrewed about one turn.
  • the central part of the interior volume of the cap is occupied by a central well 23 under the shape of a cylindrical channel opening on the face upper through the central distribution orifice 19 of smaller section than the cylindrical channel 23 and at edge in inclined conical ramp 24 with point directed towards the top.
  • the central cylindrical well 23 surrounds the central chimney 14 of the shutter and presses sealing against its wall below the area of product release.
  • the cylindrical channel 23 can present a peripheral bulge at its base interior in the form of an annular bead 25 coming to bear on the outer wall of the barrel 16 constituting the cylindrical base of the chimney of outlet 14, either directly by pressure or by snapping into a groove 26 provided for this purpose.
  • the channel 23 delimits, when the cap is in place and screwed onto neck 4, an interior volume 27 tightly closed downwards by the bead annular 25 pressing on the cylindrical barrel 16 and open upwards through the central opening of distribution 19 more or less completely closed by the closing end 17.
  • the cylindrical wall of channel 23 has a external lateral extension in the form of a section of abutment wall 28 for example in radial arrangement used as a stop surface in cooperation with the shutter panel 13 pan 2.
  • the hood also has a skirt inner 29 concentric to the central cylindrical channel 23 in the form of an enveloping cylindrical wall secured to the upper wall of the cap. Singing lower 30 of this skirt comes into abutment support and seal on the upper flange 10 of shutter 2 for sealing extra between shutter and volume remaining interior of the cap 3.
  • the angular offset between the tongue 31 and the stop wall 28 is weak as can be seen on figure 10. It arrives at the start of tightening of closing, i.e. when the end shutter occupies the entire section of the orifice distribution center 19 but before the ramps conical are in close contact against each other.
  • One of the advantages of the invention is that ability to install distribution cap on each threaded neck standardized to these dimensions while the obturation piece 2 is engaged in the capsule or cap 3 its inner well mounted on the barrel 16 of the central chimney 18 and this in an orientation predetermined angle.
  • the stopper according to the invention presents at minus six sealing zones illustrated in zones of strong lines in Figure 4.
  • the phase final is to introduce the shutter 2 in the capsule 3 and immobilize it in a position where angular orientation determined between them.
  • the caps are thus delivered assembled for allow easy mechanization at a high rate of laying on the threaded neck of each container after filling of the latter.
  • the installation is of course carried out in such a way so that the cap is completely closed at the end of operations.
  • opening begins and continues until the total opening by translation of the body of the capsule as it is unscrewed.
  • screwing causes closure which should be considered total after the signal sound and arrival at the screwing stop. Contacts are then all established in plurality affected areas and any product leaks from inside to outside is no longer possible.

Abstract

The dispensing cap for bottles (1) has an obturator (2) forcable onto the throat (4) of the bottle and a cap (3) for closure. The obturator has a hollow body with the outlet of the chamber defined by an upper collar (10). The chamber has a central duct (14) connected to three spaced branches. The duct has a cylindrical well (23) opening into the central distributing orifice.

Description

L'invention se rapporte à un bouchon distributeur à étanchéité renforcée pour flacons, tubes, bouteilles à goulot fileté ou autres contenants.The invention relates to a plug reinforced sealing dispenser for bottles, tubes, bottles with threaded necks or other containers.

On connaít déjà le bouchon distributeur décrit dans la demande PCT déposée par BORMIOLI ROCCO Spa et publiée sous WO 97/31838.We already know the distributor cap described in the PCT application filed by BORMIOLI ROCCO Spa and published in WO 97/31838.

Ce bouchon distributeur est réalisé en deux parties, l'une, l'obturateur venant se monter à pivotement et verrouillage à l'extérieur sur le goulot et l'autre, la capsule à orifice supérieur de sortie venant recouvrir l'obturateur et se maintenir sur celui-ci par la coopération de moyens à ergots et rampes de vissage du type quart de tour conformées dans la face intérieure de la paroi latérale de la capsule.This distributor cap is made in two parts, one, the shutter coming up to pivoting and locking outside on the neck and the other, the upper outlet capsule covering the shutter and keeping on this by the cooperation of means with pins and quarter-turn screwing ramps shaped in the inner face of the side wall of the capsule.

Ces ergots présents sur l'obturateur sont engagés dans des entrées latérales et conduits par des gorges latérales dans les rampes lors de l'enfoncement de la capsule sur l'obturateur.These pins on the shutter are engaged in side entrances and led by lateral grooves in the ramps during insertion of the capsule on the shutter.

Le pivotement d'un quart de tour de la capsule lui procure une amplitude de mouvement suffisante pour permettre en fin de course l'obturation totale de l'orifice supérieur de sortie.The quarter turn rotation of the capsule provides range of motion sufficient to allow end-of-travel shutter total of the upper outlet.

Cette obturation s'effectue par la pénétration de l'extrémité conique d'une tige centrale de l'obturateur dans l'orifice à bord intérieur conique de la capsule.This filling is carried out by the penetration of the conical end of a central rod the shutter in the hole with conical inner edge of the capsule.

Les deux pièces de ce bouchon présentent chacune une conformation technique complexe. La réalisation par moulage réclame un moule compliqué et cher.The two pieces of this cap have each a complex technical conformation. The molding requires a complicated mold and expensive.

Par ailleurs, la mécanisation du montage de la capsule sur l'obturateur représente une succession de phases difficiles à réaliser et limitées en vitesse. In addition, the mechanization of the assembly of the capsule on the shutter represents a succession phases that are difficult to perform and limited in speed.

De plus, si l'étanchéité primaire est assurée, l'étanchéité totale n'est pas garantie pour tous les liquides. Ce type de bouchon est, de ce fait, surtout utilisé pour les produits pâteux ou semi-liquides.In addition, if the primary seal is guaranteed, total tightness is not guaranteed for all liquids. This type of plug is, therefore, especially used for pasty or semi-liquid products.

Le principal but de l'invention est d'assurer une étanchéité totale et fiable à tous les niveaux.The main object of the invention is to ensure total and reliable sealing at all levels.

Un autre but de l'invention est de procurer un bouchon facile à fabriquer et d'un coût modique tout en offrant diverses fonctions supplémentaires telles que la signalisation de fermeture et de début d'ouverture, le montage sur tous les goulots normalisés, la réutilisation....Another object of the invention is to provide an easy to manufacture and inexpensive cap by offering various additional functions such as that the closing and start signaling opening, mounting on all necks standardized, reuse ....

A cet effet, l'invention se rapporte à un bouchon distributeur pour flacons, tubes, bouteilles ou autres contenants à goulot fileté formé d'un obturateur et d'une capsule présentant sur sa face supérieure un orifice central de sortie obturable partiellement et totalement par un mouvement de vissage de la capsule sur le goulot fileté caractérisé en ce que l'obturateur se monte par enfoncement dans le goulot fileté et en ce que l'obturateur est un corps creux dont l'ouverture libre de la cavité intérieure est délimitée par une collerette annulaire supérieure d'appui et occupée par une cheminée centrale présentant une zone de sortie du produit et une extrémité d'obturation destinée à occuper la section de l'orifice central de la capsule, ladite capsule étant un corps creux cylindrique à face latérale intérieure filetée, à puits central cylindrique venant entourer la cheminée centrale de l'obturateur et appuyer à étanchéité contre sa paroi en dessous de la zone de sortie du produit et débouchant à l'extérieur par l'orifice de distribution, la cavité intérieure de la capsule présentant une jupe cylindrique concentrique au puits central dont le chant inférieur libre vient porter à étanchéité sur la collerette annulaire supérieure de l'obturateur. To this end, the invention relates to a dispenser cap for vials, tubes, bottles or other threaded neck containers with a shutter and a capsule having on its upper face a partially closed central outlet orifice completely by a screwing movement of the capsule on the threaded neck characterized in that the shutter mounts by pressing into the threaded neck and that the shutter is a hollow body whose opening free of the interior cavity is delimited by a upper annular flange of support and occupied by a central chimney presenting an exit zone of the product and a shutter end for occupy the section of the central orifice of the capsule, said capsule being a cylindrical hollow body with a face lateral internal threaded, with central well cylindrical surrounding the central chimney of the shutter and press the seal against its wall below the product outlet area and leading to the exterior through the dispensing orifice, the cavity inside of the capsule with a skirt cylindrical concentric to the central well whose edge free lower comes to seal on the upper annular flange of the shutter.

La surface latérale intérieure de l'obturateur et celle extérieure du puits central sont en outre pourvues chacune d'un pan de cloison perpendiculaire à cette surface pour la réalisation d'une butée de pivotement.The inner side surface of the shutter and the outer one of the central well are additionally each provided with a partition wall perpendicular to this surface for the realization a pivoting stop.

Outre les importants avantages procurés par les moyens et zones multiples d'étanchéité des différentes pièces entre elles et avec le goulot, on peut citer les avantages supplémentaires suivants :

  • simplicité des formes techniques des deux pièces,
  • facilité de moulage,
  • faible coût de matière et de fabrication,
  • facilité de montage sur le contenant,
  • se monte sur tous les goulots normalisés à la taille correspondante.
In addition to the important advantages provided by the means and multiple sealing zones of the different parts with each other and with the neck, the following additional advantages can be mentioned:
  • simplicity of the technical forms of the two pieces,
  • ease of molding,
  • low material and manufacturing costs,
  • ease of mounting on the container,
  • mounts on all standardized necks to the corresponding size.

D'autres caractéristiques et avantages de l'invention apparaítront dans la description qui suit, donnée à titre d'exemple et accompagnée des dessins dans lesquels :

  • la figure 1 est une vue en perspective à l'état dissocié du bouchon selon l'invention montrant la capsule et l'obturateur en face d'un goulot ;
  • la figure 2 est une vue de profil à l'état dissocié du bouchon selon l'invention en face d'un goulot ;
  • la figure 3 est le même type de vue mais en coupe transversale ;
  • la figure 4 est une vue en coupe transversale du bouchon selon l'invention monté sur le goulot d'un flacon, les zones de contact d'étanchéité apparaissant en trait fort ;
  • les figures 5 et 6 sont des vues en coupe transversale respectivement dans le plan de la paroi de butée angulaire et dans le plan de la languette provoquant le signal sonore ;
  • les figures 7 et 8 sont des vues en coupe transversale du bouchon distributeur selon l'invention respectivement en position fermée et en position ouverte ;
  • la figure 9 est une vue de dessus de l'obturateur isolé ;
  • la figure 10 est une vue de dessous de la capsule montrant la face intérieure filetée de sa paroi latérale ;
  • la figure 11 est une vue de dessous de l'obturateur selon une variante avec trois rampes de positionnement ;
  • la figure 12 est une vue en coupe transversale de la capsule montrant en coupe une rampe de positionnement.
Other characteristics and advantages of the invention will appear in the following description, given by way of example and accompanied by the drawings in which:
  • Figure 1 is a perspective view in the dissociated state of the cap according to the invention showing the capsule and the shutter in front of a neck;
  • Figure 2 is a side view in the dissociated state of the cap according to the invention in front of a neck;
  • Figure 3 is the same type of view but in cross section;
  • Figure 4 is a cross-sectional view of the cap according to the invention mounted on the neck of a bottle, the sealing contact zones appearing in strong lines;
  • Figures 5 and 6 are cross-sectional views respectively in the plane of the angular abutment wall and in the plane of the tongue causing the sound signal;
  • Figures 7 and 8 are cross-sectional views of the distributor cap according to the invention respectively in the closed position and in the open position;
  • Figure 9 is a top view of the insulated shutter;
  • Figure 10 is a bottom view of the capsule showing the internal threaded face of its side wall;
  • Figure 11 is a bottom view of the shutter according to a variant with three positioning ramps;
  • Figure 12 is a cross-sectional view of the capsule showing in section a positioning ramp.

Le bouchon distributeur 1 selon l'invention est du type comportant deux pièces, un obturateur 2 et une capsule ou capuchon 3. Il se visse sur un goulot 4 fileté, à filets 5 conformés dans la matière d'un flacon 6, d'une bouteille, d'un bidon, d'un tube ou de tout autre contenant ou récipient présentant ou non un col à collerette 7 comme représenté sur la figure 1. Ce goulot 4 se termine par un chant supérieur annulaire plat 8.The distributor cap 1 according to the invention is of the type comprising two parts, a shutter 2 and a capsule or cap 3. It is screwed onto a neck 4 threaded, with threads 5 shaped in the material of a vial 6, a bottle, a can, a tube or any other container or container with or without a collar 7 as shown in Figure 1. This neck 4 ends with an annular upper edge flat 8.

L'obturateur 2 est une pièce de forme générale cylindrique et creuse à face latérale 9 et à collerette supérieure 10 destinée à venir porter sur le chant supérieur 8 du goulot 4.The shutter 2 is a shaped part general cylindrical and hollow with lateral face 9 and upper flange 10 intended to come to bear on the top edge 8 of neck 4.

La collerette supérieure 10 de l'obturateur peut en outre comporter sur sa face inférieure une nervure périmétrique dirigée vers le bas. Cette nervure forme une lèvre d'étanchéité qui se trouve forcée en appui contre la surface plane du chant supérieur 8 du goulot et améliore ainsi l'étanchéité lorsque l'obturateur est mis en place sur le contenant.The upper flange 10 of the shutter may also have on its underside a perimeter rib directed downwards. This rib forms a sealing lip which is forced into support against the flat surface of the upper edge 8 of the neck and thus improves sealing when the shutter is placed on the container.

La surface latérale 9 de cet obturateur est ajustée au diamètre intérieur du goulot et comporte un relief d'étanchéité par exemple trois nervures parallèles telles que 11 formant des bourrelets annulaires en relief.The lateral surface 9 of this shutter is adjusted to the inside diameter of the neck and has a sealing relief for example three ribs parallels such as 11 forming beads raised annulars.

Comme indiqué, ces structures en relief permettent d'assurer l'étanchéité entre le goulot et le corps de l'obturateur 2 par le contact de pression sur la face latérale intérieure avec la matière du goulot 4.As noted, these relief structures provide a seal between the neck and the shutter body 2 by pressure contact on the inner side face with the material of the neck 4.

Comme on peut l'observer sur la figure 1, la pièce servant d'obturateur 2 présente une cavité intérieure 12 occupée par un pan 13 de cloison en position sensiblement perpendiculaire à la face latérale intérieure. L'obturateur 2 présente en position centrale une cheminée centrale de sortie 14 formée d'un orifice central 15 d'admission à l'extrémité inférieure d'un fût central cylindrique 16 délimité par une paroi cylindrique. Cette cheminée se sortie 14 se termine par une extrémité d'obturation 17 reliée à la paroi cylindrique 16 par trois branches telles que 18 espacées l'une de l'autre et par exemple en disposition équidistante. Les branches sont de section faible mais suffisante pour assurer la bonne tenue mécanique de l'ensemble.As can be seen in Figure 1, the part serving as a shutter 2 has a cavity interior 12 occupied by a section 13 of partition in position substantially perpendicular to the face lateral interior. The shutter 2 present in central position a central outlet chimney 14 formed of a central orifice 15 for admission to the lower end of a central cylindrical barrel 16 delimited by a cylindrical wall. This fireplace is outlet 14 ends with a closure end 17 connected to the cylindrical wall 16 by three branches such as 18 spaced from each other and for example equidistant. The branches are from small but sufficient section to ensure good mechanical strength of the assembly.

L'extrémité d'obturation est conformée en téton 17 légèrement conique permettant d'assurer l'obturation étanche du passage de sortie de la capsule lorsqu'elle se trouve à l'intérieur de celle-ci et engagée à fermeture dans le passage de sortie.The shutter end is shaped as slightly conical nipple 17 ensuring tight sealing of the capsule outlet passage when inside it and engaged in closing in the exit passage.

L'obturateur 2 étant fixe car emmanché sur le goulot 4 du contenant, c'est la capsule ou le capuchon qui se déplace en translation de rapprochement ou d'éloignement respectivement lors du vissage ou du dévissage en vue de l'obturation ou de la libération d'un orifice central 19 de distribution que comporte la capsule 3 sur sa face supérieure.The shutter 2 being fixed because it is fitted on the neck 4 of the container, it is the capsule or the cap which moves in approximation translation or distance respectively when screwing or unscrewing for obturation or release a central orifice 19 for distribution which comprises the capsule 3 on its upper face.

La capsule ou le capuchon 3 est également une pièce creuse de forme générale cylindrique à face supérieure 20 plate ou légèrement bombée convexe. La face intérieure de la surface latérale présente un filetage 21 adapté à celui du goulot 4 pour permettre le vissage du capuchon sur le goulot 4 entre une position de fermeture totale dans laquelle le chant inférieur 22 du capuchon vient porter sur la collerette 7 du goulot pour assurer une étanchéité primaire et une position d'ouverture dans laquelle le capuchon 3 s'est dévissé d'environ un tour.The capsule or cap 3 is also a generally cylindrical hollow part with face upper 20 flat or slightly convex convex. The inner side side surface has a thread 21 adapted to that of neck 4 to allow screwing the cap on the neck 4 between a fully closed position in which the edge lower 22 of the cap comes to wear on the collar 7 of the neck to ensure a primary seal and a open position in which the cap 3 is unscrewed about one turn.

La partie centrale du volume intérieur du capuchon est occupée par un puits central 23 sous la forme d'un canal cylindrique débouchant sur la face supérieure par l'orifice central de distribution 19 de plus faible section que le canal cylindrique 23 et à bord en rampe inclinée conique 24 à pointe dirigée vers le haut.The central part of the interior volume of the cap is occupied by a central well 23 under the shape of a cylindrical channel opening on the face upper through the central distribution orifice 19 of smaller section than the cylindrical channel 23 and at edge in inclined conical ramp 24 with point directed towards the top.

Lorsque le capuchon est vissé sur le goulot, le puits central cylindrique 23 vient entourer la cheminée centrale 14 de l'obturateur et appuie à étanchéité contre sa paroi en dessous de la zone de sortie du produit.When the cap is screwed on the neck, the central cylindrical well 23 surrounds the central chimney 14 of the shutter and presses sealing against its wall below the area of product release.

A cet effet, le canal cylindrique 23 peut présenter à sa base un renflement périphérique intérieur sous la forme d'un bourrelet annulaire 25 venant porter sur la paroi extérieure du fût 16 constituant la base cylindrique de la cheminée de sortie 14, soit directement par pression, soit par encliquetage dans une gorge 26 prévue à cet effet.To this end, the cylindrical channel 23 can present a peripheral bulge at its base interior in the form of an annular bead 25 coming to bear on the outer wall of the barrel 16 constituting the cylindrical base of the chimney of outlet 14, either directly by pressure or by snapping into a groove 26 provided for this purpose.

Le canal 23 délimite, lorsque le capuchon est en place et vissé sur le goulot 4, un volume intérieur 27 fermé de façon étanche vers le bas par le bourrelet annulaire 25 appuyant sur le fût cylindrique 16 et ouvert vers le haut par l'orifice central de distribution 19 obturé plus ou moins ou totalement par l'extrémité d'obturation 17.The channel 23 delimits, when the cap is in place and screwed onto neck 4, an interior volume 27 tightly closed downwards by the bead annular 25 pressing on the cylindrical barrel 16 and open upwards through the central opening of distribution 19 more or less completely closed by the closing end 17.

La paroi cylindrique du canal 23 présente une extension latérale extérieure sous la forme d'un pan de paroi-butée 28 par exemple en disposition radiale utilisé comme surface d'arrêt en coopération avec le pan 13 de cloison de l'obturateur 2. Lorsque ces deux pans 13 et 28 arrivent en butée l'un contre l'autre, le vissage s'arrête car le capuchon est vissé entièrement et les contacts d'étanchéité sont établis. Dans la pratique, c'est le capuchon qui entraíne ensuite l'obturateur en pivotement à l'intérieur du goulot car l'emmanchement dans le goulot est du type ajusté mais non serré.The cylindrical wall of channel 23 has a external lateral extension in the form of a section of abutment wall 28 for example in radial arrangement used as a stop surface in cooperation with the shutter panel 13 pan 2. When these two panels 13 and 28 come into abutment against each other, the screwing stops because the cap is fully screwed and the sealing contacts are established. In the practical, it is the cap which then drives the pivoting shutter inside the neck because the fitting in the neck is of the adjusted type but not tight.

Le capuchon présente également une jupe intérieure 29 concentrique au canal central cylindrique 23 sous la forme d'une paroi cylindrique enveloppante solidaire de la paroi supérieure du capuchon. Le chant inférieur 30 de cette jupe vient en appui de butée et d'étanchéité sur la collerette supérieure 10 de l'obturateur 2 pour assurer une étanchéité supplémentaire entre l'obturateur et le volume intérieur restant du capuchon 3.The hood also has a skirt inner 29 concentric to the central cylindrical channel 23 in the form of an enveloping cylindrical wall secured to the upper wall of the cap. Singing lower 30 of this skirt comes into abutment support and seal on the upper flange 10 of shutter 2 for sealing extra between shutter and volume remaining interior of the cap 3.

Afin de marquer de façon sonore la fermeture et le début de l'ouverture on créé un signal sonore du type "clic" en prévoyant à l'intérieur du capuchon une languette flexible naissant de la paroi supérieure et se poursuivant vers le bas. Cette languette flexible 31 est fléchie par son passage sur la paroi de l'obturateur et son échappement engendre un signal sonore du type "clic" renseignant sur le franchissement.In order to acoustically mark the closure and the beginning of the opening we created an audible signal from type "click" by providing inside the cap a flexible tongue emerging from the upper wall and continuing down. This flexible tongue 31 is bent by its passage on the wall of the shutter and its exhaust generates a signal "click" type sound giving information on the crossing.

Le décalage angulaire entre la languette 31 et la paroi-butée 28 est faible comme on peut le voir sur la figure 10. Elle arrive en début de serrage de fermeture, c'est-à-dire lorsque l'extrémité d'obturation occupe toute la section de l'orifice central de distribution 19 mais avant que les rampes coniques soient en contact serré l'une contre l'autre.The angular offset between the tongue 31 and the stop wall 28 is weak as can be seen on figure 10. It arrives at the start of tightening of closing, i.e. when the end shutter occupies the entire section of the orifice distribution center 19 but before the ramps conical are in close contact against each other.

Un des avantages de l'invention est de pouvoir poser le bouchon de distribution sur chaque goulot fileté normalisé à ces dimensions alors que la pièce d'obturation 2 est engagée dans la capsule ou capuchon 3 son puits intérieur monté sur le fût 16 de la cheminée centrale 18 et ceci dans une orientation angulaire prédéterminée.One of the advantages of the invention is that ability to install distribution cap on each threaded neck standardized to these dimensions while the obturation piece 2 is engaged in the capsule or cap 3 its inner well mounted on the barrel 16 of the central chimney 18 and this in an orientation predetermined angle.

A cet effet, selon une variante représentée seulement sur les figures 11 et 12, on conforme dans la sous-face de la pièce d'obturation une série de trois renfoncements tels que 32 sous la forme de tronçons curvilignes à rampes curvilignes inclinées descendantes, par exemple dans le sens horaire. Le front transversal 33 déterminé par la profondeur à l'extrémité de chaque tronçon constitue une butée pour la griffe multiple d'un outil d'introduction à tête pivotante.To this end, according to a variant shown only in FIGS. 11 and 12, we conform in the underside of the shutter a series of three indentations such as 32 in the form of sections curvilinear with inclined curvilinear ramps descending, for example clockwise. The transverse front 33 determined by the depth at the end of each section constitutes a stop for the multiple claw of a head insertion tool swivel.

Afin d'assurer un fonctionnement en toute sécurité, le bouchon selon l'invention présente au moins six zones d'étanchéité illustrées en zones de traits forts sur la figure 4.In order to ensure full operation safety, the stopper according to the invention presents at minus six sealing zones illustrated in zones of strong lines in Figure 4.

On distingue d'abord l'étanchéité entre le chant inférieur du capuchon 3 et la collerette du goulot 4.We first distinguish the seal between the lower edge of the cap 3 and the collar of the neck 4.

On distingue ensuite l'étanchéité provenant des filets du filetage.We then distinguish the waterproofing from thread threads.

Il s'agit ensuite de l'étanchéité représentée par le contact de la collerette supérieure 10 de l'obturateur 2 contre le chant supérieur 8 du goulot 4.This is then the seal shown by the contact of the upper flange 10 of the shutter 2 against the upper edge 8 of the neck 4.

Il s'agit encore ensuite de l'étanchéité produite par l'appui du chant inférieur de la jupe intérieure d'étanchéité 29 contre le chant supérieur de la collerette supérieure 10 de l'obturateur 2.Then there is again the sealing produced by the support of the lower edge of the skirt inner sealing 29 against the upper edge of the upper flange 10 of the shutter 2.

Il s'agit encore de l'étanchéité entre le fût 16 de la cheminée centrale 14 de l'obturateur 2 et le canal central 23 de la capsule 3.There is also the seal between the barrel 16 of the central chimney 14 of the shutter 2 and the central channel 23 of the capsule 3.

Il s'agit finalement de l'étanchéité à l'état fermé du bouchon au niveau de l'orifice de distribution 19 par le contact des deux rampes coniques celles du téton 17 et celle de l'orifice.It is finally about sealing in the state closed the plug at the dispensing orifice 19 by the contact of the two conical ramps those of nipple 17 and that of the orifice.

Lors de la fabrication du bouchon, la phase finale consiste à introduire l'obturateur 2 dans la capsule 3 et à l'immobiliser dans une position ou orientation angulaire déterminée entre eux.During the manufacture of the cap, the phase final is to introduce the shutter 2 in the capsule 3 and immobilize it in a position where angular orientation determined between them.

Les bouchons sont ainsi livrés assemblés pour permettre une mécanisation facile à cadence élevée de pose sur le goulot fileté de chaque contenant après remplissage de ce dernier.The caps are thus delivered assembled for allow easy mechanization at a high rate of laying on the threaded neck of each container after filling of the latter.

La pose s'effectue bien entendu de telle façon que le bouchon soit totalement fermé à la fin des opérations.The installation is of course carried out in such a way so that the cap is completely closed at the end of operations.

Concernant l'utilisation en tant que bouchon de distribution, l'étanchéité étant assurée en plusieurs endroits, on ouvre partiellement ou totalement l'orifice central de distribution en pivotant le corps de la capsule sur lui même. Le dévissage correspond à l'ouverture de l'orifice alors que le vissage ferme cet orifice.Regarding use as a cap distribution, sealing being ensured by several places, we open partially or totally the central distribution opening in pivoting the capsule body on itself. The unscrewing corresponds to the opening of the orifice then that the screwing closes this opening.

Après une première fraction d'un parcours angulaire au cours duquel le signal sonore du type "clic" se produit, l'ouverture débute et se poursuit jusqu'à l'ouverture totale par translation du corps de la capsule au fur et à mesure du dévissage.After a first fraction of a journey angular during which the sound signal of the type "click" occurs, opening begins and continues until the total opening by translation of the body of the capsule as it is unscrewed.

Inversement, le vissage provoque la fermeture qui doit être considérée comme totale après le signal sonore et l'arrivée en butée de vissage. Les contacts d'étanchéité sont alors tous établis dans la pluralité des endroits concernés et la moindre fuite de produit de l'intérieur vers l'extérieur n'est plus possible.Conversely, screwing causes closure which should be considered total after the signal sound and arrival at the screwing stop. Contacts are then all established in plurality affected areas and any product leaks from inside to outside is no longer possible.

On se rend compte ainsi de tout l'intérêt de la présente invention, non pas seulement du point de vue garantie d'étanchéité mais aussi de son caractère essentiellement pratique notamment en ce qui concerne la manoeuvre.We thus realize all the interest of the present invention, not just from the point of guaranteed view of tightness but also of its character essentially practical especially with regard to the process.

Claims (15)

Bouchon distributeur à étanchéité renforcée pour flacons, tubes, bouteilles ou autres contenants à goulot fileté, bouchon constitué d'un obturateur (2) et d'une capsule (3) présentant sur sa face supérieure un orifice central (19) de sortie à bord conique obturable partiellement et totalement par un mouvement de vissage de la capsule sur le goulot fileté (4) caractérisé en ce que l'obturateur (2) se monte par enfoncement dans le goulot fileté et en ce que celui-ci est un corps creux dont le passage d'ouverture libre de la cavité intérieure (12) est délimité par une collerette annulaire (10) supérieure d'appui et occupée par une cheminée centrale (14) présentant une zone de sortie du produit et une extrémité d'obturation (17) destinée à occuper la section de l'orifice central (19) de distribution de la capsule (3), ladite capsule étant un corps creux cylindrique à face latérale intérieure filetée, à puits central cylindrique (23) venant entourer la cheminée centrale (14) de l'obturateur et appuyer à étanchéité contre sa paroi en dessous de la zone de sortie du produit et débouchant à l'extérieur par l'orifice de distribution (19), la cavité intérieure de la capsule présentant une jupe cylindrique (29) concentrique au puits central (23) dont le chant inférieur libre (30) vient porter à étanchéité sur la collerette annulaire supérieure (10) de l'obturateur.Sealing distributor cap reinforced for vials, tubes, bottles or others threaded neck containers, cap made of shutter (2) and a capsule (3) having on its upper face a central outlet (19) at conical edge partially and totally closable by a screwing movement of the capsule on the neck threaded (4) characterized in that the shutter (2) is goes up by pushing into the threaded neck and that this one is a hollow body whose passage free opening of the interior cavity (12) is delimited by an upper annular collar (10) support and occupied by a central chimney (14) with a product outlet area and a closure end (17) intended to occupy the section of the central orifice (19) for distributing the capsule (3), said capsule being a hollow body cylindrical with internal threaded lateral face, with well central cylindrical (23) surrounding the chimney shutter center (14) and press to seal against its wall below the exit area of the product and opening to the outside through the orifice distribution (19), the interior cavity of the capsule having a cylindrical skirt (29) concentric with the central well (23) including the free lower edge (30) comes to seal on the annular flange upper (10) of the shutter. Bouchon distributeur selon la revendication 1 caractérisé en ce que la surface latérale intérieure de l'obturateur (2) et celle extérieure du puits central (23) sont pourvues chacune d'un pan de cloison de butée (13) et (28) perpendiculaire à cette surface pour la réalisation d'une butée de pivotement.Distributor cap according to claim 1 characterized in that the surface inner side of the shutter (2) and that outer of the central well (23) are each provided a section of abutment partition (13) and (28) perpendicular to this surface for the realization a pivoting stop. Bouchon distributeur selon l'une quelconque des revendications précédentes caractérisé en ce que le capuchon (3) présente un filetage (21) adapté à celui du goulot (4) permettant le vissage de ce capuchon sur le goulot (4) jusqu'à une position de fermeture dans laquelle le chant inférieur (22) du capuchon vient porter sur la collerette (7) du goulot.Distributor cap according to one any of the preceding claims characterized in that the cap (3) has a thread (21) adapted to that of the neck (4) allowing the screwing of this cap on the neck (4) to a position of closure in which the lower edge (22) of the cap comes to bear on the collar (7) of the neck. Bouchon distributeur selon l'une quelconque des revendications précédentes caractérisé en ce que la cheminée centrale (14) comprend un fût central (16) s'élevant à partir d'un orifice central d'admission (15) situé à son extrémité inférieure et se termine par l'extrémité d'obturation (17).Distributor cap according to one any of the preceding claims characterized in that the central chimney (14) comprises a barrel central (16) rising from a central orifice intake (15) located at its lower end and ends with the closure end (17). Bouchon distributeur selon la revendication précédente caractérisé en ce que l'extrémité d'obturation (17) est reliée au fût central (16) par au moins deux branches (18) espacées l'une de l'autre.Distributor cap according to previous claim characterized in that the closure end (17) is connected to the central barrel (16) by at least two branches (18) spaced one of the other. Bouchon distributeur selon la revendication précédente caractérisé en ce que l'extrémité d'obturation (17) est reliée au fût central (16) par trois branches (18) en disposition équidistante.Distributor cap according to previous claim characterized in that the closure end (17) is connected to the central barrel (16) by three branches (18) available equidistant. Bouchon distributeur selon l'une quelconque des revendications précédentes caractérisé en ce que l'extrémité d'obturation est conformée en téton (17) légèrement conique apte à coopérer avec le bord en rampe conique (24) de l'orifice central (19) de la capsule (3).Distributor cap according to one any of the preceding claims characterized in that the closure end is shaped as slightly conical stud (17) able to cooperate with the conical ramp edge (24) of the central opening (19) of the capsule (3). Bouchon distributeur selon l'une quelconque des revendications précédentes caractérisé en ce que la surface latérale (9) de l'obturateur (2) est ajustée au diamètre intérieur du goulot (4) et comporte un relief d'étanchéité.Distributor cap according to one any of the preceding claims characterized in that the lateral surface (9) of the shutter (2) is adjusted to the inside diameter of the neck (4) and has a sealing relief. Bouchon distributeur selon la revendication précédente caractérisé en ce que le relief d'étanchéité comprend au moins un bourrelet annulaire (11). Distributor cap according to previous claim characterized in that the sealing relief includes at least one bead annular (11). Bouchon distributeur selon l'une quelconque des revendications précédentes caractérisé en ce que le puits cylindrique (23) présente sur sa surface intérieure un renflement périphérique (25) venant porter sur la paroi extérieure du fût (16).Distributor cap according to one any of the preceding claims characterized in that the cylindrical well (23) has on its inner surface a peripheral bulge (25) coming to bear on the outer wall of the barrel (16). Bouchon distributeur selon la revendication précédente caractérisé en ce que fût (16) comporte sur sa face extérieure une gorge d'encliquetage (26) apte à recevoir le renflement périphérique (25) du puits (23).Distributor cap according to previous claim characterized in that it was (16) has a groove on its outer face latching (26) adapted to receive the bulge peripheral (25) of the well (23). Bouchon distributeur selon l'une quelconque des revendications précédentes caractérisé en ce qu'une languette flexible (31) naít de la paroi supérieure du capuchon (3) et se poursuit vers le bas à l'intérieur de celui-ci, cette languette (31) permettant la réalisation d'un indicateur sonore de fermeture et de début d'ouverture.Distributor cap according to one any of the preceding claims characterized in that a flexible tongue (31) comes from the wall top of the cap (3) and continues downward to inside of it, this tab (31) allowing the realization of an audible indicator of closing and opening start. Bouchon distributeur selon la revendication précédente et la revendication 2 caractérisé en ce que le décalage angulaire entre la languette (31) et le pan de paroi-butée (28) de la surface latérale du puits central (23) est faible.Distributor cap according to previous claim and claim 2 characterized in that the angular offset between the tongue (31) and the wall of abutment wall (28) of the lateral surface of the central well (23) is small. Bouchon distributeur selon l'une quelconque des revendications précédentes caractérisé en ce que la sous-face de la pièce d'obturation comporte au moins un renfoncement (32) apte à constituer une butée pour la griffe d'un outil de préhension et de pose de l'obturateur dans la capsule.Distributor cap according to one any of the preceding claims characterized in that the underside of the closure piece comprises at least one recess (32) capable of constitute a stop for the claw of a tool gripping and placing the shutter in the capsule. Bouchon distributeur selon la revendication précédente caractérisé en ce que le ou au moins l'un des renfoncement(s) est un tronçon de rampe curviligne inclinée descendante.Distributor cap according to previous claim characterized in that the or at minus one of the recess (s) is a section of ramp curved downward inclined.
EP00440259A 1999-09-29 2000-09-29 Threaded dispensing cap closing completely with enhanced sealing Withdrawn EP1088771A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9912334A FR2798910B1 (en) 1999-09-29 1999-09-29 DISTRIBUTOR CAP WITH TOTAL CLOSURE AND REINFORCED SEAL FOR BOTTLES OR OTHER CONTAINERS WITH THREADED NUTS
FR9912334 1999-09-29
US09/785,868 US6450367B1 (en) 1999-09-29 2001-03-12 Completely closed dispenser-stopper with reinforced seal for bottles or other containers with threaded necks

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EP1088771A1 true EP1088771A1 (en) 2001-04-04

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US6450367B1 (en) 2002-09-17
FR2798910B1 (en) 2002-03-08
US20020125273A1 (en) 2002-09-12
FR2798910A1 (en) 2001-03-30

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