EP0244293B1 - Nozzle for dispensing a foaming product - Google Patents

Nozzle for dispensing a foaming product Download PDF

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Publication number
EP0244293B1
EP0244293B1 EP87400853A EP87400853A EP0244293B1 EP 0244293 B1 EP0244293 B1 EP 0244293B1 EP 87400853 A EP87400853 A EP 87400853A EP 87400853 A EP87400853 A EP 87400853A EP 0244293 B1 EP0244293 B1 EP 0244293B1
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EP
European Patent Office
Prior art keywords
bore
dispensing
valve
end fitting
zone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP87400853A
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German (de)
French (fr)
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EP0244293A1 (en
Inventor
Antonin Goncalves
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.)
LOreal SA
Original Assignee
LOreal SA
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Publication date
Application filed by LOreal SA filed Critical LOreal SA
Priority to AT87400853T priority Critical patent/ATE44930T1/en
Publication of EP0244293A1 publication Critical patent/EP0244293A1/en
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Publication of EP0244293B1 publication Critical patent/EP0244293B1/en
Expired legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/16—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
    • B65D83/20—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
    • B65D83/205—Actuator caps, or peripheral actuator skirts, attachable to the aerosol container

Definitions

  • the present invention relates to a nozzle for dispensing a foaming product intended to be mounted on a pressurized container equipped with an emerging stem valve according to the preamble of claim 1.
  • Such a tip generally comprises a fixing element ensuring its retention on the container and a dispensing element which is movable relative to this fixing element.
  • the dispensing element comprises, on the one hand, an internal bore intended to receive in leaktight manner the emerging stem of the valve and, on the other hand, a distribution tube whose internal channel communicates with the bore.
  • the apex of the emerging rod occupies in this bore a first level, called the lower level, when the distribution element is not subjected to any action by a user, and a second level, called the upper level, when the user acts on the distribution element for causing the distribution of the product contained in the pressurized container.
  • the user when the user exerts pressure on the dispensing element, it causes, on the one hand, the opening of the valve with which the container is provided and consequently an ejection of the product contained in this container in the tube and , on the other hand, a depression of the lower part of the tube around the valve stem thanks to the bore.
  • the foaming product is therefore ejected into the tube and delivered to the upper part thereof where the user can collect the quantity of foaming product delivered.
  • no foaming product is therefore no longer ejected into the tube and consequently collected at the upper end of the latter. But the small amount of foaming product that is still there.
  • the foaming product remaining in the tube will tend to liquefy so that '' it will flow along the wall of the tube to the emerging stem of the valve.
  • the liquefied foam can thus penetrate this rod where it will dry, thereby causing blockage of the latter and non-functioning of the valve when the user presses on the dispensing element after a certain period of time.
  • one of the aims of the present invention is to provide a nozzle of the type described above which overcomes this drawback while being simple and economical.
  • a nozzle for dispensing a foaming product of the aforementioned type which is characterized, according to the present invention, by the fact that, in the lower wall of the bore is formed at least one groove whose apex is disposed between the above and lower levels above and whose base opens above the valve cup in an area of the bore which is not closed by the valve stem.
  • the bore area, into which the base of the groove (s) opens has a flared shape, the large section of which is closest to the valve cup and the small section of which connects to a zone of the bore whose cross section is substantially that of the emerging rod, this latter zone containing the top of the groove (s).
  • This flared area of the bore is, for example, frustoconical.
  • the taiésage zone whose cross section is substantially that of the emerging rod, is a cylindrical zone with circular cross section, the top of the emerging rod coming, at its upper level, in abutment against an annular shoulder in the central area from which the inner channel of the distribution tube opens.
  • the end piece comprises a plurality of grooves. This (these) is (or are) substantially parallel (s) to the axis of the bore.
  • the groove (s) has (or have), in the zone of the bore whose cross section is substantially that of the emerging rod, a rectangular cross section.
  • the end piece has several grooves, these are preferably regularly distributed in the wall of the bore.
  • the element for fixing the end piece to the container is a collar snapped onto the crimping bead of the valve cup.
  • the dispensing element comprises a plate secured to the flange by an elastic hinge, this plate being provided with a pusher element and carrying the distribution tube which is arranged substantially perpendicular to the plate.
  • a nozzle designated as a whole by the reference 1, for dispensing a foaming product enclosed in a pressurized container 2, includes as a fixing element, a flange 3 making it possible to fix it by snap-fastening on the crimping bead of the valve cup 4. It also includes a dispensing element which consists of a plate 6 secured to the collar 3 by an elastic hinge 5.
  • This elastic hinge 5 is relatively thick for have a memory allowing, after use, a return to a substantially horizontal position of the plate 6.
  • This plate 6 is provided with a pusher element 8, or push button, and carries a distribution tube 7 which is arranged substantially perpendicular to the plate 6, according to the present embodiment.
  • This tube has at its lower part, that is to say that by which it is connected to the plate 6, an internal bore 9 intended to receive in leaktight manner the emerging rod 10 of the valve with which this pressurized container 2 is provided. : this is particularly visible in Figure 3.
  • the top of the emerging rod 10 of the valve occupies in the bore 9 a first level, called lower, as shown in Figure 3, when a user exerts no action on the push button 8, and a second level, called the upper level, when the user acts on this push button 8 to cause the dispensing of a quantity of product.
  • grooves 11 which in this example are eight in number, are regularly distributed in the wall of the bore 9, and are substantially parallel to the axis of this bore 9.
  • the zone of the bore 9, into which the base of the grooves 11 opens, has a tapered flared shape, the large section of which is closest to the valve cup 4 and the small section of which is connected to a zone of the bore 9, the cross section of which is substantially that of the emerging rod with the clearance required to allow the sliding of this rod in the bore 9.
  • the grooves 11 have their apex located therein and have a rectangular cross section.
  • This same zone is cylindrical with a circular cross section, the top of the emerging rod coming, at its upper level, in sealed support with an annular shoulder 12 in the central zone from which the internal channel 13 of the distribution tube 7 opens.
  • the valve When the user releases his action on the push-button 8, it causes the valve to close, the wafer 6 to rise and consequently the tube 7 along the rod 10: in this position shown in FIG. 3, the top of the emerging valve stem 10 is located below the top of the grooves 11.
  • the walls of the emerging valve stem 10 and of the tube 7 delimit, at the level of the grooves 11, conduits through which may be drain off the foaming product contained in the tube 7, which will have liquefied after the ejection of a quantity of foam as explained above.
  • the liquefied foaming product discharged through the grooves 11 is collected in the valve cup 4. It therefore does not stagnate above the upper end of the valve stem 10 at the bore 9: it does not therefore more likely to penetrate inside the stem 10 of the valve and consequently to plug it while drying.

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Closures For Containers (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

1. An end fitting for dispensing a foaming product contained in a pressurised container (2) provided with a valve with an emergent stem carried by a valve cup (4), the said end fitting comprising a fixing element ensuring its hold on the container (2) and a dispensing element which is movable in relation to the said fixing element, the dispensing element comprising, on the one hand, an internal bore (9) intended to receive the emergent stem of the valve in a leakproof manner, and on the other hand, a dispensing tube (7) whose internal duct communicates with the bore (9), the top of the emergent stem (10) of the valve occupying in the bore (9) a first level, called the lower, when the dispensing element is not subjected to any action by a user, and a second level, called the upper, when a user is acting on the dispensing element to produce the dispensing, characterised in that in the lower wall of the said bore (9), there is arranged at least one groove (11) whose top is disposed between the above mentioned upper and lower levels and whose base issues above the valve cup (4) in a zone of the bore (9) which is not obturated by the stem (10) of the valve.

Description

La présente invention concerne un embout pour distribuer un produit moussant destiné à être monté sur un récipient pressurisé équipé d'une valve à tige émergeante selon le préambule de la revendication 1.The present invention relates to a nozzle for dispensing a foaming product intended to be mounted on a pressurized container equipped with an emerging stem valve according to the preamble of claim 1.

Un tel embout comprend généralement un élément de fixation assurant son maintien sur le récipient et un élément de distribution qui est mobile par rapport à cet élément de fixation. L'élément de distribution comporte, d'une part, un alésage intérieur destiné à recevoir de façon étanche la tige émergeante de la valve et, d'autre part, un tube de distribution dont le canal intérieur communique avec l'alésage. Le sommet de la tige émergeante occupe dans cet alésage un premier niveau, dit inférieur, quand l'élément de distribution n'est soumis à aucune action d'un utilisateur, et un second niveau, dit supérieur, quand l'utilisateur agit sur l'élément de distribution pour provoquer la distribution du produit contenu dans le récipient pressurisé.Such a tip generally comprises a fixing element ensuring its retention on the container and a dispensing element which is movable relative to this fixing element. The dispensing element comprises, on the one hand, an internal bore intended to receive in leaktight manner the emerging stem of the valve and, on the other hand, a distribution tube whose internal channel communicates with the bore. The apex of the emerging rod occupies in this bore a first level, called the lower level, when the distribution element is not subjected to any action by a user, and a second level, called the upper level, when the user acts on the distribution element for causing the distribution of the product contained in the pressurized container.

Ainsi, lorsque l'utilisateur exerce une pression sur l'élément de distribution, il entraîne, d'une part, l'ouverture de la valve dont est muni le récipient et par suite une éjection du produit contenu dans ce récipient dans le tube et, d'autre part, un enfoncement de la partie inférieure du tube autour de la tige de valve grâce à l'alésage. Le produit moussant est donc éjecté dans le tube et délivré à la partie supérieure de celui-ci où l'utilisateur peut recueillir la quantité de produit moussant délivré. Dès que l'utilisateur relâche sa pression sur l'élément de distribution, il entraîne la fermeture de la valve : aucun produit moussant n'est donc plus éjecté dans le tube et par suite recueilli à l'extrémité supérieure de celui-ci. Mais la faible quantité de produit moussant qui est encore. situé à l'intérieur du tube, c'est-à-dire dans le canal intérieur de celui-ci y demeure : au bout d'un certain temps, le produit moussant restant dans le tube aura tendance à se liquéfier de telle sorte qu'il coulera le long de la paroi du tube jusqu'à la tige émergeante de la valve. La mousse liquéfiée peut ainsi pénétrer dans cette tige où elle séchera, entraînant par là-même un bouchage de ceiie-ci et un non-fonctionnement de la valve lorsque l'utilisateur appuiera sur l'élément de distribution au bout d'un certain délai.Thus, when the user exerts pressure on the dispensing element, it causes, on the one hand, the opening of the valve with which the container is provided and consequently an ejection of the product contained in this container in the tube and , on the other hand, a depression of the lower part of the tube around the valve stem thanks to the bore. The foaming product is therefore ejected into the tube and delivered to the upper part thereof where the user can collect the quantity of foaming product delivered. As soon as the user releases his pressure on the dispensing element, it causes the valve to close: no foaming product is therefore no longer ejected into the tube and consequently collected at the upper end of the latter. But the small amount of foaming product that is still there. located inside the tube, that is to say in the inner channel of the latter remains there: after a certain time, the foaming product remaining in the tube will tend to liquefy so that '' it will flow along the wall of the tube to the emerging stem of the valve. The liquefied foam can thus penetrate this rod where it will dry, thereby causing blockage of the latter and non-functioning of the valve when the user presses on the dispensing element after a certain period of time. .

Aussi un des buts de la présente invention est-il de proposer un embout du type décrit ci-dessus qui permet d'obvier à cet inconvénient tout en étant simple et économique.Also one of the aims of the present invention is to provide a nozzle of the type described above which overcomes this drawback while being simple and economical.

Ce but ainsi que d'autres qui apparaîtront par la suite, sont atteints par un embout pour distribuer un produit moussant du type précité, qui est caractérisé, selon la présente invention, par le fait que, dans la paroi inférieure de l'alésage est ménagée au moins une cannelure dont le sommet est disposé entre les niveaux supérieur et inférieur précités et dont la base débouche au-dessus de la coupelle de valve dans une zone de l'alésage qui n'est pas obturée par la tige de la valve.This object as well as others which will appear subsequently, are achieved by a nozzle for dispensing a foaming product of the aforementioned type, which is characterized, according to the present invention, by the fact that, in the lower wall of the bore is formed at least one groove whose apex is disposed between the above and lower levels above and whose base opens above the valve cup in an area of the bore which is not closed by the valve stem.

De préférence, la zone de l'alésage, dans laquelle débouche la base de la (ou des) cannelure(s), a une forme évasée, dont la grande section est la plus voisine de la coupelle de valve et dont la petite section se raccorde à une zone de l'alésage dont la section droite est sensiblement celle de la tige émergeante, cette dernière zone contenant le sommet de la (ou des) cannelure(s). Cette zone évasée de l'alésage est, par exemple, tronconique.Preferably, the bore area, into which the base of the groove (s) opens, has a flared shape, the large section of which is closest to the valve cup and the small section of which connects to a zone of the bore whose cross section is substantially that of the emerging rod, this latter zone containing the top of the groove (s). This flared area of the bore is, for example, frustoconical.

Avantageusement, la zone de t'aiésage dont la section droite est sensiblement celle de la tige émergeante, est une zone cylindrique à section droite circulaire, le sommet de la tige émergeante venant, à son niveau supérieur, en appui contre un épaulement annulaire dans la zone centrale duquel débouche le canal intérieur du tube de distribution.Advantageously, the taiésage zone whose cross section is substantially that of the emerging rod, is a cylindrical zone with circular cross section, the top of the emerging rod coming, at its upper level, in abutment against an annular shoulder in the central area from which the inner channel of the distribution tube opens.

Préférentiellement, l'embout comporte une pluralité de cannelures. Celle(s)-ci est (ou sont) sensiblement parallèle(s) à l'axe de l'alésage.Preferably, the end piece comprises a plurality of grooves. This (these) is (or are) substantially parallel (s) to the axis of the bore.

Avantageusement, la (ou les) cannelure(s) a (ou ont), dans la zone de l'alésage dont la section droite est sensiblement celle de la tige émergeante, une section transversale rectangulaire.Advantageously, the groove (s) has (or have), in the zone of the bore whose cross section is substantially that of the emerging rod, a rectangular cross section.

Lorsque l'embout comporte plusieurs cannelures, celles-ci sont, de préférence, régulièrement réparties dans la paroi de l'alésage.When the end piece has several grooves, these are preferably regularly distributed in the wall of the bore.

Selon un mode de réalisation préféré de l'inven- ton, l'élément de fixation de l'embout sur le récipient est une collerette encliquetée sur le bourrelet de sertissage de la coupelle de valve. Dans ce cas, l'élément de distribution comporte une plaquette solidaire de la collerette par une charnière élastique, cette plaquette étant munie d'un élément poussoir et portant le tube de distribution qui est disposé sensiblement perpendiculairement à la plaquette.According to a preferred embodiment of the invention, the element for fixing the end piece to the container is a collar snapped onto the crimping bead of the valve cup. In this case, the dispensing element comprises a plate secured to the flange by an elastic hinge, this plate being provided with a pusher element and carrying the distribution tube which is arranged substantially perpendicular to the plate.

La description qui va suivre et qui ne présente aucun caractère limitatif, doit être lue en regard des figures annexées parmi lesquelles :

  • - la figure 1 est une vue extérieure d'un récipient pressurisé comportant un embout selon la présente invention ;
  • - la figure 2 est une coupe verticale de la partie supérieure du récipient pressurisé de la figure 1 comportant cet embout ;
  • - la figure 3 est une vue à plus grande échelle de la zone A de la figure 2 lorsqu'aucune action n'est exercée sur la valve du récipient pressurisé ;
  • - la figure 4 correspond à la figure 3 lorsqu'une action est exercée sur la valve du récipient pressurisé ; et
  • - la figure 5 est une coupe transversale selon la ligne V-V de la figure 3.
The description which follows and which does not have any limiting character, must be read with reference to the appended figures among which:
  • - Figure 1 is an external view of a pressurized container comprising a nozzle according to the present invention;
  • - Figure 2 is a vertical section of the upper part of the pressurized container of Figure 1 comprising this nozzle;
  • - Figure 3 is an enlarged view of the area A of Figure 2 when no action is exerted on the valve of the pressurized container;
  • - Figure 4 corresponds to Figure 3 when an action is exerted on the valve of the pressurized container; and
  • - Figure 5 is a cross section along the line VV of Figure 3.

Ainsi qu'on peut le voir notamment sur les figures 1 et 2, un embout, désigné dans son ensemble par le référence 1, pour distribuer un produit moussant enfermé dans un récipient pressurisé 2, comporte comme élément de fixation, une collerette 3 permettant de le fixer par encliquetage sur le bourrelet de sertissage de la coupelle de valve 4. Il comporte également un élément de distribution qui est constitué d'une plaquette 6 solidaire de la collerette 3 par une charnière élastique 5. Cette charnière élastique 5 est relativement épaisse pour avoir une mémoire permettant, après utilisation, un retour à une position sensiblement horizontale de la plaquette 6. Cette plaquette 6 est munie d'un élément poussoir 8, ou bouton-poussoir, et porte un tube de distribution 7 qui est disposé sensiblement perpendiculairement à la plaquette 6, selon le présent exemple de réalisation.As can be seen in particular in FIGS. 1 and 2, a nozzle, designated as a whole by the reference 1, for dispensing a foaming product enclosed in a pressurized container 2, includes as a fixing element, a flange 3 making it possible to fix it by snap-fastening on the crimping bead of the valve cup 4. It also includes a dispensing element which consists of a plate 6 secured to the collar 3 by an elastic hinge 5. This elastic hinge 5 is relatively thick for have a memory allowing, after use, a return to a substantially horizontal position of the plate 6. This plate 6 is provided with a pusher element 8, or push button, and carries a distribution tube 7 which is arranged substantially perpendicular to the plate 6, according to the present embodiment.

Ce tube comporte à sa partie inférieure, c'est-à-dire celle par laquelle il se raccorde à la plaquette 6, un alésage intérieur 9 destiné à recevoir de façon étanche la tige émergeante 10 de la valve dont est muni ce récipient 2 pressurisé : ceci est notamment visible sur la figure 3. Le sommet de la tige émergeante 10 de la valve occupe dans l'alésage 9 un premier niveau, dit inférieur, comme représenté sur la figure 3, quand un utilisateur n'exerce aucune action sur le bouton-poussoir 8, et un second niveau, dit supérieur, quand l'utilisateur agit sur ce bouton-poussoir 8 pour provoquer la distribution d'une quantité de produit.This tube has at its lower part, that is to say that by which it is connected to the plate 6, an internal bore 9 intended to receive in leaktight manner the emerging rod 10 of the valve with which this pressurized container 2 is provided. : this is particularly visible in Figure 3. The top of the emerging rod 10 of the valve occupies in the bore 9 a first level, called lower, as shown in Figure 3, when a user exerts no action on the push button 8, and a second level, called the upper level, when the user acts on this push button 8 to cause the dispensing of a quantity of product.

Selon la présente invention, dans la paroi inférieure de l'alésage 9 sont ménagées des cannelures 11 dont les sommets sont disposés entre les niveaux inférieur et supérieur et dont les bases débouchent au-dessus de la coupelle de valve 4, dans une zone de l'alésage 9 qui n'est pas obturée par la tige émergeante 10 de la valve. Ces cannelures 11, qui sont dans cet exemple au nombre de huit, sont régulièrement réparties dans la paroi de l'alésage 9, et sont sensiblement parallèles à l'axe de cet alésage 9.According to the present invention, in the lower wall of the bore 9 are provided grooves 11 whose vertices are disposed between the lower and upper levels and whose bases open above the valve cup 4, in an area of bore 9 which is not closed by the emerging rod 10 of the valve. These grooves 11, which in this example are eight in number, are regularly distributed in the wall of the bore 9, and are substantially parallel to the axis of this bore 9.

La zone de l'alésage 9, dans laquelle débouche la base des cannelures 11, a une forme évasée tronconique, dont la grande section est la plus voisine de la coupelle de valve 4 et dont la petite section se raccorde à une zone de l'alésage 9 dont la section droite est sensiblement celle de la tige émergeante au jeu près nécessaire pour permettre le coulissement de cette tige dans l'alésage 9. Dans cette dernière zone, les cannelures 11 y ont leur sommet situé et ont une section transversale rectangulaire. Cette même zone est cylindrique à section droite circulaire, le sommet de la tige émergeante venant, à son niveau supérieur, en appui étanche avec un épaulement annulaire 12 dans la zone centrale duquel débouche le canal intérieur 13 du tube de distribution 7.The zone of the bore 9, into which the base of the grooves 11 opens, has a tapered flared shape, the large section of which is closest to the valve cup 4 and the small section of which is connected to a zone of the bore 9, the cross section of which is substantially that of the emerging rod with the clearance required to allow the sliding of this rod in the bore 9. In this latter zone, the grooves 11 have their apex located therein and have a rectangular cross section. This same zone is cylindrical with a circular cross section, the top of the emerging rod coming, at its upper level, in sealed support with an annular shoulder 12 in the central zone from which the internal channel 13 of the distribution tube 7 opens.

Lorsque l'utilisateur exerce une pression sur le bouton-poussoir 8, comme représenté par la flèche F sur la figure 4, il abaisse la plaquette 6 par rotation autour de la charnière 5 de telle sorte que l'ouverture de la valve est provoquée. Du produit moussant est alors éjecté hors du récipient 2 dans le tube 7 : l'utilisateur recueille du produit moussant à l'extrémité du tube 7 tant qu'il maintient sa pression sur le bouton-poussoir 8. Du fait de l'abaissement de la plaquette 6, l'épaulement 12 vient en appui étanche avec le sommet de la tige émergeante 10 : celle-ci obture ainsi le sommet des cannelures 11.When the user exerts a pressure on the push button 8, as represented by the arrow F in FIG. 4, he lowers the plate 6 by rotation around the hinge 5 so that the opening of the valve is caused. Foaming product is then ejected from the container 2 into the tube 7: the user collects foaming product at the end of the tube 7 as long as he maintains his pressure on the push button 8. Due to the lowering of the plate 6, the shoulder 12 comes into leaktight support with the top of the emerging rod 10: the latter thus closes off the top of the grooves 11.

Lorsque l'utilisateur relâche son action sur le bouton-poussoir 8, il entraîne une fermeture de la valve, une remontée de la plaquette 6 et par suite du tube 7 le long de la tige 10 : dans cette position représentée à la figure 3, le sommet de la tige émergeante 10 de valve est situé au-dessous du sommet des cannelures 11. Ainsi, les parois de la tige émergeante 10 de valve et du tube 7 délimitent, au niveau des cannelures 11, des conduits par lesquels pourra s'écouler le produit moussant, contenu dans le tube 7, qui se sera liquéfié après l'éjection d'une quantité de mousse comme expliqué plus haut.When the user releases his action on the push-button 8, it causes the valve to close, the wafer 6 to rise and consequently the tube 7 along the rod 10: in this position shown in FIG. 3, the top of the emerging valve stem 10 is located below the top of the grooves 11. Thus, the walls of the emerging valve stem 10 and of the tube 7 delimit, at the level of the grooves 11, conduits through which may be drain off the foaming product contained in the tube 7, which will have liquefied after the ejection of a quantity of foam as explained above.

Le produit moussant liquéfié évacué par les cannelures 11 est recueilli dans la coupelle de valve 4. Il ne vient donc pas stagner au-dessus de l'extrémité supérieure de la tige 10 de valve au niveau de l'alésage 9 : il n'a donc plus tendance à pénétrer à l'intérieur de la tige 10 de la valve et par suite de la boucher en séchant.The liquefied foaming product discharged through the grooves 11 is collected in the valve cup 4. It therefore does not stagnate above the upper end of the valve stem 10 at the bore 9: it does not therefore more likely to penetrate inside the stem 10 of the valve and consequently to plug it while drying.

Claims (10)

1. An end fitting for dispensing a foaming product contained in a pressurised container (2) provided with a valve with an emergent stem carried by a valve cup (4), the said end fitting comprising a fixing element ensuring its hold on the contianer (2) and a dispensing element which is movable in relation to the said fixing element, the dispensing element comprising, on the one hand, an internal bore (9) intended to receive the emergent stem of the valve in a leakproof manner, and on the other hand, a dispensing tube (7) whose internal duct communicates with the bore (9), the top of the emergent stem (10) of the valve occupying in the bore (9) a first level, called the lower, when the dispensing element is not subjected to any action by a user, and a second level, called the upper, when a user is acting on the dispensing element to produce the dispensing, characterised in that in the lower wall of the said bore (9), there is arranged at least one groove (11) whose top is disposed between the above mentioned upper and lower levels and whose base issues above the valve cup (4) in a zone of the bore (9) which is not obturated by the stem (10) of the valve.
2. An end fitting according to Claim 1, characterised in that the zone of the bore (9) wherein there issues the base of the groove or grooves (11) has a flared shape, whose large cross section is the nearer to the valve cup (4) and whose small cross section is joined to a zone of the bore (9) whose cross section is substantially that of the emergent stem (10), this latter zone containing the top of the groove or grooves.
3. An end fitting according to Claim 2, characterised in that the flared zone of the bore (9) is frusto- conical.
4 An end fitting according to one of Claims 2 or 3, characterised in that the zone of the bore (9) whose cross section is substantially that of the emergent stem (10) is a cylindrical zone with a circular cross section, the top of the emergent stem (10) coming to bear at its upper level against an annular shoulder, in the central zone whereof there issues the internal duct of the. dispensing tube (7).
5. An end fitting according to one of Claims 1 to 4, characterised in that it comprises a plurality of grooves 11).
6. An end fitting according to one of Claims 1, to 5, characterised in that the groove or grooves (11) is or are substantially parallel to the axis of the bore (9).
7. An end fitting according to Claim 2, characterised in that the groove or grooves (11) has, (or have) a rectangular transverse cross section in the zone of the bore (9) whose cross section is substantially that of the emergent stem (10).
8. An end fitting according to Claim 5, characterised in that the grooves (11) are regularly distributed in the wall of the bore (9).
9. An end fitting according to one of Claims 1 to 8, characterised in that the element fixing the end fitting on the container is a collar (3) catch engaged on the crimped rim of the valve cup (4).
10. An end fitting according to Claim 9, characterised in that the dispensing element comprises a disc (6) fixed to the collar (3) by an elastic hinge (5), the said disc (6) being provided with a push button element (8) and carrying the dispensing tube (7) which is disposed substantially perpendicular to the disc (6).
EP87400853A 1986-04-30 1987-04-15 Nozzle for dispensing a foaming product Expired EP0244293B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87400853T ATE44930T1 (en) 1986-04-30 1987-04-15 NOZZLE FOR DISPENSING A FOAM PRODUCT.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8606273 1986-04-30
FR8606273A FR2598101B1 (en) 1986-04-30 1986-04-30 NOZZLE FOR DISPENSING A FOAMING PRODUCT

Publications (2)

Publication Number Publication Date
EP0244293A1 EP0244293A1 (en) 1987-11-04
EP0244293B1 true EP0244293B1 (en) 1989-07-26

Family

ID=9334791

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87400853A Expired EP0244293B1 (en) 1986-04-30 1987-04-15 Nozzle for dispensing a foaming product

Country Status (8)

Country Link
US (1) US4901891A (en)
EP (1) EP0244293B1 (en)
JP (1) JPS62260665A (en)
AT (1) ATE44930T1 (en)
DE (2) DE244293T1 (en)
ES (1) ES2000163B3 (en)
FR (1) FR2598101B1 (en)
GR (2) GR880300045T1 (en)

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FR2684080B1 (en) * 1991-11-27 1994-01-28 Oreal DEVICE FOR CONTROLLING THE DISTRIBUTION OF A CIRCUIT, IN PARTICULAR A SELF-PUSHING PRODUCT.
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Also Published As

Publication number Publication date
FR2598101A1 (en) 1987-11-06
JPS62260665A (en) 1987-11-12
GR880300045T1 (en) 1988-10-18
US4901891A (en) 1990-02-20
EP0244293A1 (en) 1987-11-04
DE244293T1 (en) 1988-02-25
JPH0555388B2 (en) 1993-08-16
ATE44930T1 (en) 1989-08-15
FR2598101B1 (en) 1988-08-05
GR3000115T3 (en) 1990-11-29
ES2000163A4 (en) 1988-01-01
DE3760356D1 (en) 1989-08-31
ES2000163B3 (en) 1990-01-01

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