EP0324289B1 - Dispenser for liquids or pastes pressurised by deforming a resilient container prior to its filling - Google Patents
Dispenser for liquids or pastes pressurised by deforming a resilient container prior to its filling Download PDFInfo
- Publication number
- EP0324289B1 EP0324289B1 EP88402681A EP88402681A EP0324289B1 EP 0324289 B1 EP0324289 B1 EP 0324289B1 EP 88402681 A EP88402681 A EP 88402681A EP 88402681 A EP88402681 A EP 88402681A EP 0324289 B1 EP0324289 B1 EP 0324289B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- receptacle
- tube
- product
- dispenser according
- faces
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 title abstract description 5
- 235000011837 pasties Nutrition 0.000 claims abstract description 5
- 239000000047 product Substances 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 5
- 239000012263 liquid product Substances 0.000 claims description 2
- 239000002991 molded plastic Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000013459 approach Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
- B65D83/0061—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents the contents of a flexible bag being expelled by the contracting forces inherent in the bag or a sleeve fitting snugly around the bag
Definitions
- the present invention relates to a dispenser for liquid or pasty products consisting of a deformable container hermetically sealed by a valve.
- the elasticity of the container (in the sense of a fully reversible deformability) is also used to pressurize the product to be dispensed.
- German patent DE-A-1 136 600 describes a bottle which is produced in an original configuration corresponding inter alia to a round shape. It is then filled while it is imposed, in particular by means mechanical, another configuration therefore leading to a smaller interior volume. After its hermetic closure, it tends to resume its original configuration so that an empty space is created which can then fill with carbon dioxide from the product.
- the document also provides for an original configuration far from the round shape, the filling configuration being on the contrary closer to the round shape and therefore of greater volume.
- the present invention retains the idea of a deformation imposed beforehand on an elastic container to pressurize the product contained inside the container while it seeks to return to its original configuration. It aims to find a structure of the container which lends itself particularly well to the transition from the original configuration to the configuration of larger volume by means of simple mechanical means while guaranteeing both easy manufacture and use.
- a device for dispensing a pasty or liquid product comprising a container adapted to be mechanically deformed between an original configuration and a configuration of larger volume so that after it is filled with said product in the configuration of large volume, then its hermetic closure by a valve, the container tends to resume its original configuration and thus pressurize the product to be dispensed, characterized in that said container has two flexible faces connected together by a reinforced fold so that the faces container can move relative to each other, allowing passage from one configuration to another, and in that a distribution valve without air intake hermetically seals said distributor.
- the faces of said container are in particular arranged so that the transition from the original configuration to the configuration of larger volume is obtained by introducing the container into a recess of a non-deformable part which constitutes the simple mechanical means sought after.
- said container is a flat tube, said fold connecting the two flexible faces forming two sides, a bottom as well as corners of said flat tube, said flat tube further comprising a neck consisting of a rigid base surmounted by a neck.
- a neck consisting of a rigid base surmounted by a neck.
- an envelope comprising said faces, said sides, said bottom and said corners is welded to said base of said neck.
- said corners of said flat tube are rounded to facilitate the introduction of said tube into said recess of said non-deformable part constituting said mechanical means.
- said recess of said non-deformable part constituting said mechanical means is preferably a cylinder of elliptical section, the long side of said elliptical section being less than the distance separating said sides of said tube when said tube is at rest.
- said container is a cylindrical bottle having an elongated neck, an ovoid body and a bottom, the reinforced fold connecting the two faces to form with them said ovoid body, said neck and said bottom being rigid.
- said recess of said non-deformable part constituting said mechanical means is advantageously a cylinder of circular section, the diameter of said section being less than the diameter of said edge of said bottle when said bottle is at rest.
- said container It is particularly easy to produce said container from molded plastic. Furthermore, said valve finds a clear advantage in being a precompression pump.
- the dispenser of the invention does not require that the product is introduced therein under pressure.
- the filling is effected at atmospheric pressure, which considerably simplifies this operation as well as that of crimping the valve.
- the product remains at all times sheltered from air and therefore does not risk deteriorating by oxidation or contamination. This absence of air also avoids the need for a dip tube since the interior of the container contains only product to be dispensed.
- the emission of the product can be caused in any position of the dispenser relative to the vertical.
- the very structure of the present dispensing device is particularly interesting. It indeed comprises two flexible faces connected together by a reinforced fold. The latter can therefore act as a hinge and allow the displacement of the faces relative to each other. The latter are in particular able to move away from one another so that the capacity of the container increases.
- a clever arrangement of the faces and of the fold is found which allows the hinges to be played with very simple mechanical means. It is, for example, a non-deformable part comprising a recess. Provided that its size is adapted to that of the dispensing device, the introduction of the latter into the recess has the effect of exerting pressure on the fold. It follows the separation of the flexible faces by their flexion according to a buckling mechanism.
- Figures 1 to 4 it is a flat tube 1.
- the front view of Figure 1 shows, thanks to a partial longitudinal section along the plane II-II of Figure 2, that it consists of an elongated envelope and a neck.
- the neck also specified by the top view of FIG. 3, comprises a base 16 of elliptical shape surmounted by a cylindrical neck 17. It is preferably molded in one piece from a fairly rigid plastic material.
- the envelope is on the contrary molded in a flexible material, advantageously polyethylene or polypropylene. It is welded at its upper edge 14 to the base 16 of the neck. Given the respective sections of the base 16 and the envelope, there follows a certain setback of the edge 14 along the throttled part of the neck.
- the one shown in Figure 2 is specific to the tube when it has just been manufactured.
- the tube 1 is in fact placed in a rigid tube holder 3 (made of steel for example).
- the rounded corners 15 of the envelope facilitate its introduction into the recess 31 of the tube holder 3.
- the latter has a height slightly less than that of the envelope of the tube 1 (cf. FIG. 5) and an elliptical section (cf. Figure 6).
- the long side of the ellipse is however less than the distance between the two sides 11 and 12 of the unconstrained envelope. Also when the latter is forced into the recess 31 of the tube holder 3, it is caused to deform.
- the periphery of the tube 1 at rest is shown in dotted lines in FIGS. 5 and 6.
- the valve 2 can be formed of a simple valve whose actuation frees a passage for the product towards the outside.
- the hermetically closed tube 1 is removed from the tube holder 3, its elastic walls seek to resume their original shape (cf. FIGS. 7 and 8). They therefore tend to compress the product.
- the latter is not very compressible, such as a liquid or a paste, this results in an increase in its pressure which therefore becomes greater than atmospheric pressure. Therefore, the simple actuation of the valve causes a lively emission of product to the outside.
- Its outlet valve opens only if the pressure prevailing in the pump chamber exceeds a certain value determined by a prior setting of elastic means. In this case, this value is chosen to be greater than the maximum pressure of the product, to which is added the additional pressure appearing when the user manipulates the tube. No product is therefore likely to be released unintentionally.
- the pump really begins to be useful when a sufficient quantity of product has been emitted so that the tube has returned to its initial shape. It allows you to continue extracting the product. For this there is no need for a dip tube since all the volume available inside the tube is occupied by product. For the same reason, emission can be caused in all positions of the tube relative to the vertical. While the evacuation of the product continues, a depression then develops within the tube 1. Its faces 10 therefore begin to approach one another finally giving the shape described by the front, side and in cross section of Figures 9, 10 and 11 respectively. By this means, it is possible to expel between 90% and 95% of the product initially placed in the tube 1.
- Such a cylindrical bottle 1 is shown just after its manufacture in front view in FIG. 13 and in top view in FIG. 12. It comprises an elongated neck 17 molded in one piece with a body of ovoid shape. The most rounded part of the ovoid has an edge 11 which is equivalent to the sides 11 and 12 of the envelope of the flat tube. It is in fact reinforced by an extra thickness of material while the faces 10 of the body of the bottle 1 are thinner. Furthermore, a bottom 13, also reinforced, makes it possible to give the bottle a seat. It also offers a support point for the thumb, for example of the user, who can thus manipulate it with one hand by passing two fingers over the face 10 of the bottle opposite the bottom 13.
- the bottle is filled while it is placed in a rigid bottle holder 3.
- the recess 31 of the bottle holder 3 is this time cylindrical, its inner section having a diameter substantially smaller than the outside diameter presented by the edge 11 when the bottle is at rest (see the outline drawn in dotted lines in FIG. 14).
- the positioning of the bottle within the recess 31 results in a change in shape which the faces 10 of the bottle allow due to their elasticity. This results in a significant increase in its capacity (for example double the capacity of the unconstrained bottle).
- valve 2 When the bottle 1 is filled to the brim, a valve 2 is crimped onto its neck 17 so that all the air is absent inside the bottle.
- the valve 2 is preferably a precompression pump.
- the pressure prevailing within the bottle also goes through three phases. Initially, the walls of the bottle 1 seek to return to their original shape and therefore compress the liquid or pasty product present in the bottle. Then, over the product emissions, the pressure decreases while the bottle 1 returns to its original size. Finally, the pump 2 authorizing further extraction of the product, the interior of the bottle is placed under vacuum.
- the flexible faces 10 then approach each other as shown in FIG. 15. The absence of the dip tube allows maximum flattening of the initially ovoid body.
- the user can favor the latest emissions by pressing on the bottom 13 of the bottle. This possibility is made all the easier since the assembly of the bottle 1 and of the valve 2 constitutes a sprayer operating in all positions. It follows an exhaustion of the product which easily reaches 95% of the initial quantity
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Tubes (AREA)
- Formation And Processing Of Food Products (AREA)
- Noodles (AREA)
- Closures For Containers (AREA)
Abstract
Description
La présente invention a trait à un distributeur de produits liquides ou pâteux constitué par un récipient déformable obturé hermetiquement par une valve. L'élasticité du recipient (au sens d'une déformabilité totalement réversible) est en outre exploitée pour mettre en pression le produit à distribuer.The present invention relates to a dispenser for liquid or pasty products consisting of a deformable container hermetically sealed by a valve. The elasticity of the container (in the sense of a fully reversible deformability) is also used to pressurize the product to be dispensed.
Un exemple de ce type de distributeurs est développé dans la demande de brevet européen EPO 248 755. Son récipient comprend un tube si souple que, lors de son remplissage par un produit sous pression, il se dilate dans des proportions notables. Dès qu'une valve est sertie de façon parfaitement étanche sur ce tube, il se met à éxercer sur le produit introduit une pression comparable a celle de la pression de remplissage, ses parois élastiques cherchant à reprendre leur forme d'origine. Au fil des émissions successives de produit, la pression interne chute jusqu'à ce que toute déformation du tube ait disparu. Afin de mettre en oeuvre ce principe de façon pratique, le tube souple est par ailleurs protégé dans un container externe rigide facilitant la manipulation du distributeur. Une mousse est avantageusement disposée entre le tube souple et le container rigide afin de maintenir en place les differentes enveloppes du recipient de ces distributeurs.An example of this type of dispenser is developed in European patent application EPO 248,755. Its container comprises a tube so flexible that, when it is filled with a product under pressure, it expands in significant proportions. As soon as a valve is crimped in a perfectly sealed manner on this tube, it begins to exert on the product introduced a pressure comparable to that of the filling pressure, its elastic walls seeking to resume their original shape. Over the course of successive product releases, the internal pressure drops until any deformation of the tube has disappeared. In order to put this principle into practice, the flexible tube is also protected in a rigid external container facilitating the handling of the dispenser. A foam is advantageously placed between the flexible tube and the rigid container in order to hold in place the various envelopes of the container of these dispensers.
Un autre exemple est fourni dans le brevet américain US-A-3 339 809. correspondant au préambule de la rev. 1 Il s'agit là d'un simple récipient fait dans un matériau extensible tel que du caoutchouc. Lorsqu'un produit fluide est introduit dedans avec une certaine pression, le récipient s'expanse sous sa poussée. Puis, après sa fermeture, ses parois exercent sur le produit une pression qui s'ajoute à la pression atmosphérique ainsi qu'éventuellement à une pression manuelle d'un utilisateur pour participer à l'expulsion du produit hors du récipient.Another example is provided in American patent US-A-3,339,809, corresponding to the preamble of rev. 1 This is a simple container made of an extensible material such as rubber. When a fluid product is introduced into it with a certain pressure, the container expands under its pressure. Then, after its closure, its walls exert a pressure on the product which is added to atmospheric pressure as well as possibly a manual pressure of a user to participate in the expulsion of the product out of the container.
Enfin, le brevet allemand DE-A-1 136 600 fait état d'une bouteille qui est fabriquée dans une configuration d'origine correspondant entre autres à une forme ronde. Elle est ensuite remplie tandis qu'on lui impose, notamment par des moyens mécaniques, une autre configuration conduisant donc à un volume intérieur plus petit. Après sa fermeture hermétique, elle tend à reprendre sa confirguration d'origine si bien qu'il se crée un espace vide qui peut alors se remplir de gaz carbonique provenant du produit. Le document prévoit également une configuration d'origine éloignée de la forme ronde, la configuration de remplissage étant au contraire plus proche de la forme ronde et donc de plus grand volume.Finally, the German patent DE-A-1 136 600 describes a bottle which is produced in an original configuration corresponding inter alia to a round shape. It is then filled while it is imposed, in particular by means mechanical, another configuration therefore leading to a smaller interior volume. After its hermetic closure, it tends to resume its original configuration so that an empty space is created which can then fill with carbon dioxide from the product. The document also provides for an original configuration far from the round shape, the filling configuration being on the contrary closer to the round shape and therefore of greater volume.
La présente invention retient l'idée d'une déformation imposée préalablement à un récipient élastique pour mettre en pression le produit contenu à l'intérieur du récipient tandis qu'il cherche à reprendre sa configuration d'origine. Elle vise à trouver une structure du récipient qui se prête particulièrement bien au passage de la configuration d'origine à la configuration de plus grand volume grâce à des moyens mécaniques simples tout en garantissant à la fois une fabrication et une utilisation aisées.The present invention retains the idea of a deformation imposed beforehand on an elastic container to pressurize the product contained inside the container while it seeks to return to its original configuration. It aims to find a structure of the container which lends itself particularly well to the transition from the original configuration to the configuration of larger volume by means of simple mechanical means while guaranteeing both easy manufacture and use.
Cela est atteint par un dispositif distributeur de produit pâteux ou liquide comportant un récipient adapté à être déformé mécaniquement entre une configuration d'origine et une configuration de plus grand volume de sorte qu'après son remplissage avec ledit produit dans la configuration de grand volume, puis sa fermeture hermétique par une valve, le recipient tende à reprendre sa configuration d'origine et mettre ainsi en pression le produit à distribuer, caractérisé en ce que ledit récipient comporte deux faces souples reliées entre elles par une pliure renforcée de sorte que les faces du récipient peuvent se déplacer les unes par rapport aux autres, autorisant ainsi le passage d'une configuration à l'autre, et en ce qu'une valve de distribution sans reprise d'air obture hermétiquement ledit distributeur. Les faces dudit récipient sont notamment agencées pour que le passage de la configuration d'origine à la configuration de plus grand volume s'obtienne par introduction du récipient dans un évidement d'une pièce indéformable qui constitue les moyens mécaniques simples recherchés.This is achieved by a device for dispensing a pasty or liquid product comprising a container adapted to be mechanically deformed between an original configuration and a configuration of larger volume so that after it is filled with said product in the configuration of large volume, then its hermetic closure by a valve, the container tends to resume its original configuration and thus pressurize the product to be dispensed, characterized in that said container has two flexible faces connected together by a reinforced fold so that the faces container can move relative to each other, allowing passage from one configuration to another, and in that a distribution valve without air intake hermetically seals said distributor. The faces of said container are in particular arranged so that the transition from the original configuration to the configuration of larger volume is obtained by introducing the container into a recess of a non-deformable part which constitutes the simple mechanical means sought after.
Selon une première forme de réalisation de la présente invention, ledit récipient est un tube plat, ladite pliure reliant les deux faces souples formant deux côtés, un fond ainsi que des coins dudit tube plat, ledit tube plat comportant en outre un col étant constitué par une embase rigide surmontee d'un goulot. Par exemple, une enveloppe comprenant lesdites faces, lesdits côtés, ledit fond et lesdits coins est soudée à ladite embase dudit col. Dans ce cas, il est avantageux que lesdits coins dudit tube plat soient arrondis pour faciliter l'introduction dudit tube dans ledit évidement de ladite pièce indéformable constituant lesdits moyens mécaniques. Alors ledit évidement de ladite pièce indéformable constituant lesdits moyens mécaniques est de préférence un cylindre de section elliptique, le grand côté de ladite section elliptique étant inférieur a la distance separant lesdits côtés dudit tube lorsque ledit tube est au repos.According to a first embodiment of the present invention, said container is a flat tube, said fold connecting the two flexible faces forming two sides, a bottom as well as corners of said flat tube, said flat tube further comprising a neck consisting of a rigid base surmounted by a neck. For example, an envelope comprising said faces, said sides, said bottom and said corners is welded to said base of said neck. In this case, it is advantageous that said corners of said flat tube are rounded to facilitate the introduction of said tube into said recess of said non-deformable part constituting said mechanical means. Then said recess of said non-deformable part constituting said mechanical means is preferably a cylinder of elliptical section, the long side of said elliptical section being less than the distance separating said sides of said tube when said tube is at rest.
Selon une seconde forme de réalisation de la présente invention, ledit récipient est un flacon cylindrique ayant un goulot allongé, un corps ovoide et un fond, la pliure renforcée reliant les deux faces pour former avec elles ledit corps ovoïde, ledit goulot et ledit fond étant rigides. Alors, ledit évidement de ladite pièce indéformable constituant lesdits moyens mécaniques est avantageusement un cylindre de section circulaire, le diamètre de ladite section étant inférieur au diamètre de ladite arête dudit flacon lorsque ledit flacon est au repos.According to a second embodiment of the present invention, said container is a cylindrical bottle having an elongated neck, an ovoid body and a bottom, the reinforced fold connecting the two faces to form with them said ovoid body, said neck and said bottom being rigid. Then, said recess of said non-deformable part constituting said mechanical means is advantageously a cylinder of circular section, the diameter of said section being less than the diameter of said edge of said bottle when said bottle is at rest.
Il est particulièrement aisé de réaliser ledit récipient en matière plastique moulée. Par ailleurs, ladite valve trouve un net avantage à être une pompe à précompression.It is particularly easy to produce said container from molded plastic. Furthermore, said valve finds a clear advantage in being a precompression pump.
En plus de l'avantage d'être constitué par une unique enveloppe, le distributeur de l'invention ne nécessite pas que le produit y soit introduit sous pression. Le remplissage s'effectue en effet à la pression atmosphérique, ce qui simplifie considérablement cette opération de même que celle de sertissage de la valve. On note aussi que le produit reste à tout moment à l'abri de l'air et ne risque donc pas de se détériorer par oxydation ou contamination. Cet absence d'air évite également le recours a un tube plongeur puisque l'intérieur du récipient ne contient que du produit à distribuer. De même, l'émission du produit peut être provoquée dans n'importe quelle position du distributeur par rapport à la verticale.In addition to the advantage of being constituted by a single envelope, the dispenser of the invention does not require that the product is introduced therein under pressure. The filling is effected at atmospheric pressure, which considerably simplifies this operation as well as that of crimping the valve. It is also noted that the product remains at all times sheltered from air and therefore does not risk deteriorating by oxidation or contamination. This absence of air also avoids the need for a dip tube since the interior of the container contains only product to be dispensed. Similarly, the emission of the product can be caused in any position of the dispenser relative to the vertical.
Mais au delà de ces aspects qui caractérisent aussi la bouteille du brevet allemant DE-A-1 136 600 précédemment cité, la structure même du présent dispositif distributeur est particulièrement intéressante. Elle comprend en effet deux faces souples reliées entre elles par une pliure renforcée. Cette dernière peut dès lors faire office de charnière et autoriser le déplacement des faces l'une par rapport à l'autre. Ces dernières sont notamment à même de s'écarter l'une de l'autre de sorte que la contenance du récipient augmente.But beyond these aspects which also characterize the bottle of the German patent DE-A-1,136,600 previously cited, the very structure of the present dispensing device is particularly interesting. It indeed comprises two flexible faces connected together by a reinforced fold. The latter can therefore act as a hinge and allow the displacement of the faces relative to each other. The latter are in particular able to move away from one another so that the capacity of the container increases.
Enfin un agencement astucieux des faces et de la pliure est trouvé qui permet de faire jouer les charnières grâce à des moyens mécaniques fort simples. Il s'agit par exemple d'une pièce indéformable comportant un évidement. Pour peu que sa taille soit adaptée à celle du dispositif distributeur, l'introduction de ce dernier dans l'évidement a pour effet d'exercer une pression sur la pliure. Il s'ensuit l'écartement des faces souples par leur mise en flexion selon un mécanisme de flambement.Finally, a clever arrangement of the faces and of the fold is found which allows the hinges to be played with very simple mechanical means. It is, for example, a non-deformable part comprising a recess. Provided that its size is adapted to that of the dispensing device, the introduction of the latter into the recess has the effect of exerting pressure on the fold. It follows the separation of the flexible faces by their flexion according to a buckling mechanism.
Deux formes de réalisation du present distributeur vont a present être décrites à l'aide de dessins afin de mieux faire comprendre la substance de l'invention. Sur les dessins :
- les figures 1 à 4 se rapportent à un tube plat selon une première forme de réalisation du récipient elastique du present distributeur il est en outre montré tel qu'il se présente juste après sa fabrication. En vue de face avec coupe longitudinale partielle sur la figure 1, le tube est montré sur la figure 2 en vue de côté avec coupe partielle selon le plan I-I de la figure 1, sur la figure 3 en vue de dessus et sur la figure 4 en coupe transversale selon le plan III-III de la figure 2.
- les figures 5 et 6 illustrent la phase de remplissage du tube des figures precedentes grâce a une vue de face et une coupe transversale selon le plan III-III respectivement.
- les figures 7 et 8 montrent, toujours en vue de face et en coupe transversale selon le plan III-III respectivement, le tube des figures precedentes qui vient d'être rempli et muni de sa valve
- les figures 9 à 11 présentent cette fois le tube des figures précédentes alors qu'il a été vidé. La vue de face et la coupe transversale selon le plan III-III des figures 9 et 10 respectivement sont completees par une vue de côté sur la figure 11.
- les figures 12 à 15 correspondent à un flacon cylindrique selon une seconde forme de réalisation du récipient élastique du présent distributeur Le flacon juste apres sa fabrication est montre en vue de dessus sur la figure 12 et en vue de face sur la figure 13. Grâce à des vues de face du même flacon, la figure 14 illustre sa phase de remplissage tandis que la figure 15 le présente une fois vidé de son contenu
- Figures 1 to 4 relate to a flat tube according to a first embodiment of the elastic container of the present dispenser it is further shown as it occurs immediately after its manufacture. In front view with partial longitudinal section in Figure 1, the tube is shown in Figure 2 in side view with partial section along the plane II of Figure 1, in Figure 3 in top view and in Figure 4 in cross section along plane III-III of Figure 2.
- Figures 5 and 6 illustrate the filling phase of the tube of the previous figures through a front view and a cross section along the plane III-III respectively.
- Figures 7 and 8 show, still in front view and in cross section along the plane III-III respectively, the tube of the previous figures which has just been filled and provided with its valve
- Figures 9 to 11 this time show the tube of the previous figures when it was emptied. The front view and the cross section along the plane III-III of FIGS. 9 and 10 respectively are supplemented by a side view in FIG. 11.
- FIGS. 12 to 15 correspond to a cylindrical bottle according to a second embodiment of the elastic container of the present dispenser. The bottle just after its manufacture is shown in plan view in FIG. 12 and in front view in FIG. 13. Thanks to front views of the same bottle, Figure 14 illustrates its filling phase while Figure 15 shows it once emptied of its contents
Dans les distributeurs de la présente invention, le conception du récipient est essentielle. Leur mode de fonctionnement exposé plus loin permettra de s'en persuader. Pour l'heure, une premiere forme de réalisation de ce récipient est décrite. Comme l'indiquent les figures 1 à 4, il s'agit d'un tube 1 plat. La vue de face de la figure 1 fait apparaître, grâce à une coupe longitudinale partielle selon le plan II-II de la figure 2, qu'il compose d'une enveloppe allongée et d'un col. Le col, précise également par la vue de dessus de la figure 3, comprend une embase 16 de forme elliptique surmontée par un goulot 17 cylindrique. Il est de préférence moulé d'un seul tenant dans une matière plastique assez rigide.In the dispensers of the present invention, the design of the container is essential. Their mode of operation explained below will convince you. For the time being, a first embodiment of this container is described. As shown in Figures 1 to 4, it is a
L'enveloppe est au contraire moulée dans une matière souple, avantageusement du polyéthylène ou du polypropylène. Elle est soudée au niveau de son bord supérieur 14 à l'embase 16 du col. Etant donné les sections respectives de l'embase 16 et de l'enveloppe, il s'en suit un certain décrochement du bord 14 le long de la partie étranglée du col. Celui représenté sur la figure 2 est spécifique du tube alors qu'il vient d'être fabriqué.The envelope is on the contrary molded in a flexible material, advantageously polyethylene or polypropylene. It is welded at its
Les coupes selon les plans I-I et III-III des figures 2 et 4 respectivement précisent en outre la conformation des parois de l'enveloppe. Au niveau de ses faces 10, la paroi est en effet peu épaisse de sorte qu'elle présente une grande élasticité. A l'opposé, ses côtés 11 et 12 et son fond 13 sont rendus plus résistants grâce à un renforcement local de l'épaisseur de l'enveloppe. Ce renforcement intéresse également les coins 15 de l'enveloppe qui admettent à dessein une forme arrondie.The sections along planes I-I and III-III of Figures 2 and 4 respectively further specify the conformation of the walls of the envelope. At its faces 10, the wall is in fact not very thick so that it has great elasticity. In contrast, its
Ces dispositions particulières s'expliquent par le mode de remplissage du tube qu'illustrent les figures 5 et 6. Dans la phase de remplissage, le tube 1 est en effet disposé dans un porte-tube 3 rigide (en acier par example). Les coins 15 arrondis de l'enveloppe facilitent son introduction dans l'évidement 31 du porte-tube 3. Ce dernier admet une hauteur légèrement inférieure à celle de l'enveloppe du tube 1 (cf. figure 5) et une section elliptique (cf. figure 6). Le grand côté de l'ellipse est toutefois inférieur à la distance entre les deux côtés 11 et 12 de l'enveloppe non contrainte. Aussi lorsque celle-ci est rentrée à force dans l'évidement 31 du porte-tube 3, est-elle amenée à se déformer. Le pourtour du tube 1 au repos est reporté en pointillés sur les figures 5 et 6. Ainsi apparaît mieux le changement de forme imposé au tube 1 lors de cette opération. Sa section devient plus ovale et se rapproche de celle de l'embase 16 du col. Le décrochement au niveau de la soudure des bords 14 disparaît donc le long des faces de l'enveloppe. Il apparaît en revanche aux abords de ses côtés 11 et 12. Au total, la contenance du tube devient sensiblement plus importante.These particular arrangements are explained by the method of filling the tube illustrated in FIGS. 5 and 6. In the filling phase, the
Lorsque le tube 1 est rempli à ras bords du produit à distribuer, il est serti d'une valve 2 de sorte qu'aucune bulle d'air ne reste piégée. La valve 2 peut être formée d'une simple soupape dont l'actionnement libère un passage pour le produit vers l'extérieur. En effet, dès que le tube 1 hermétiquement clos est retiré du porte-tube 3, ses parois élastiques cherchent à reprendre leur forme d'origine (cf. figures 7 et 8). Elles tendent par conséquent à comprimer le produit. Pourvu que ce dernier soit peu compressible, tel un liquide ou une pâte, il en résulte une augmentation de sa pression qui devient donc supérieure à la pression atmosphérique. Dès lors, le simple actionnement de la soupape entraîne une émission vive de produit vers l'extérieur.When the
Mais, au fil des émissions, la quantité de produit diminuant au sein du tube, celui-ci reprend petit à petit sa forme d'origine (en pointillés sur les figures 5 à 11). Ses parois ne compriment donc plus le reste du produit. Aussi l'utilisation d'une simple soupape ne permet pas d'épuiser le contenu du tube. A la vérité, il est plus avantageux d'avoir recours à une valve 2 de type pompe. Celle-ci doit alors respecter certains principes de fonctionnement qui interdisent l'emploi de n'importe quelle pompe. Celles prévoyant de remplacer la dose de produit émise par de l'air à la pression ambiante ne conviennent pas, pas plus que celles dont le clapet de sortie s'ouvre à la moindre pression au-dessus de la pression atmosphérique. Les pompes dites à précompression s'adaptent au contraire particulièrement bien. Un exemple d'une telle pompe à précompression est décrit dans le brevet français n° 2 305 241 Son clapet de sortie ne s'ouvre en effet que si la pression régnant dans la chambre de pompe dépasse une certaine valeur déterminée par un tarage préalable de moyens élastiques. Cette valeur est en l'occurrence choisie supérieure à la pression maximale du produit à laquelle est éventuellement ajouté le surcroît de pression apparaissant lorsque l'utilisateur manipule le tube. Ainsi aucun produit ne risque-t-il d'être émis involontairement.But, over the emissions, the quantity of product decreasing within the tube, it gradually resumes its original shape (dotted lines in Figures 5 to 11). Its walls therefore no longer compress the rest of the product. Also the use of a simple valve does not allow to exhaust the contents of the tube. In truth, it is more advantageous to use a
La pompe commence réellement à être utile lorsqu'une quantité suffisante de produit a été émise pour que le tube ait repris sa forme initiale. Elle permet de continuer à extraire le produit. Pour cela point n'est besoin de tube plongeur puisque tout le volume disponible à l'intérieur du tube est occupé par du produit. Pour la même raison, l'émission peut être provoquée dans toutes les positions du tube par rapport à la verticale. Tandis que l'évacuation du produit se poursuit, se développe alors une dépression au sein du tube 1. Ses faces 10 commencent donc à se rapprocher l'une de l'autre donnant finalement la forme décrite par les vues de face, de côté et en section transversale des figures 9, 10 et 11 respectivement. Par ce moyen, il est possible d'expulser entre 90% et 95% du produit initialement disposer dans le tube 1.The pump really begins to be useful when a sufficient quantity of product has been emitted so that the tube has returned to its initial shape. It allows you to continue extracting the product. For this there is no need for a dip tube since all the volume available inside the tube is occupied by product. For the same reason, emission can be caused in all positions of the tube relative to the vertical. While the evacuation of the product continues, a depression then develops within the
Certains produits, en particulier pharmaceutiques, sont traditionnellement présentés dans des flacons cylindriques. Afin de garder cette présentation à laquelle les utilisateurs sont à présent habitués, une seconde forme de réalisation du récipient de l'invention adapte au cas de petits flacons à symétrie de révolution le principe decrit ci-dessus à propos d'un tube platCertain products, in particular pharmaceuticals, are traditionally presented in cylindrical bottles. In order to keep this presentation to which users are now accustomed, a second embodiment of the container of the invention adapts to the case of small bottles with symmetry of revolution the principle described above with regard to a flat tube.
Un tel flacon cylindrique 1 est montré juste après sa fabrication en vue de face sur la figure 13 et en vue de dessus sur la figure 12. Il comporte un goulot 17 allongé moulé d'un seul tenant avec un corps de forme ovoïde. La partie la plus ventrue de l'ovoïde présente une arête 11 qui est l'équivalent des côtés 11 et 12 de l'enveloppe du tube plat. Elle est en effet renforcée par une surépaisseur de matière tandis que les faces 10 du corps du flacon 1 sont plus minces. Par ailleurs un fond 13, également renforcé, permet de donner une assise au flacon. Il offre également un point d'appui pour le pouce par exemple de l'utilisateur qui peut ainsi le manipuler d'une seule main en passant deux doigts sur la face 10 du flacon opposé au fond 13.Such a
Comme pour le tube plat, le flacon est rempli alors qu'il est dispose dans un porte-flacon 3 rigide. L'évidement 31 du porte-flacon 3 est cette fois cylindrique, sa section intérieure ayant un diamètre sensiblement inférieur au diamètre extérieur présenté par l'arête 11 lorsque le flacon est au repos (vois le contour dessiné en pointillés sur la figure 14). Ainsi la mise en place du flacon au sein de l'évidement 31 aboutit-elle à un changement de forme que les faces 10 du flacon autorisent du fait de leur élasticité. Il s'ensuit une augmentation importante de sa contenance (par example le double de la contenance du flacon non contraint).As for the flat tube, the bottle is filled while it is placed in a
Lorsque le flacon 1 est rempli à ras bords, une valve 2 est sertie sur son goulot 17 de façon que tout air soit absent le l'intérieur du flacon. Comme précédemment, la valve 2 est de préférence une pompe à précompression. De la sorte, la pression régnant au sein du flacon passe également par trois phases. Dans un premier temps, les parois du flacon 1 cherchent à reprendre leur forme d'origine et compriment donc le produit liquide ou pâteux présent dans le flacon. Puis, au fil des émissions de produit, la pression diminue tandis que le flacon 1 reprend sa taille initiale. Enfin, la pompe 2 autorisant une extraction plus poussée du produit, l'intérieur du flacon est mis en dépression. Les faces 10 souples se rapprochent alors l'une de l'autre comme il est montré sur la figure 15. L'absence du tube plongeur permet un aplatissement maximal du corps initialement ovoïde. Au besoin, l'utilisateur peut favoriser les dernières émissions en appuyant sur le fond 13 du flacon. Cette possibilité est rendue d'autant plus aisée que l'ensemble du flacon 1 et de la valve 2 constitue un vaporisateur fonctionnant dans toutes les positions. Il s'ensuit un épuisement du produit qui atteint sans difficulté 95% de la quantité initialeWhen the
Il convient de souligner que les distributeurs ainsi conçus ne peuvent avoir une taille très importante. Ils sont en effet tributaires de l'élasticité du récipient. Et celle-ci n'est garantie, dans les cas des matières plastiques habituellement employées pour des récipients, que pour des faces peu étendues. Par ailleurs, les conditions de manipulation des récipients imposent des tailles adaptées à la préhension. L'utilisateur doit en effet pouvoir aider à l'expulsion du produit lorsqu'il cesse d'être sous pression. C'est ainsi que les contenances des flacons cylindriques en particulier se situent plutôt aux alentours de 10 centilitres.It should be emphasized that the distributors thus designed cannot be very large. They are indeed dependent on the elasticity of the container. And this is only guaranteed, in the case of plastics usually used for containers, for small areas. In addition, the conditions of handling of the containers impose sizes suitable for gripping. The user must be able to help expel the product when it ceases to be under pressure. This is how the capacities of cylindrical bottles in particular are rather around 10 centilitres.
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88402681T ATE75691T1 (en) | 1988-01-08 | 1988-10-24 | ELASTIC CONTAINER PRESSURED BY DEFORMATION AS DISPENSER OF LIQUIDS OR PASTES. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8800122A FR2625729B1 (en) | 1988-01-08 | 1988-01-08 | DEVICE FOR DISPENSING PASTA PRODUCT |
FR8800122 | 1988-01-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0324289A1 EP0324289A1 (en) | 1989-07-19 |
EP0324289B1 true EP0324289B1 (en) | 1992-05-06 |
Family
ID=9362118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88402681A Expired - Lifetime EP0324289B1 (en) | 1988-01-08 | 1988-10-24 | Dispenser for liquids or pastes pressurised by deforming a resilient container prior to its filling |
Country Status (6)
Country | Link |
---|---|
US (1) | US4984712A (en) |
EP (1) | EP0324289B1 (en) |
JP (1) | JP2571710B2 (en) |
AT (1) | ATE75691T1 (en) |
DE (1) | DE3870847D1 (en) |
FR (1) | FR2625729B1 (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3844090A1 (en) * | 1988-12-28 | 1990-07-12 | Benckiser Gmbh Joh A | STOCK BOTTLE FOR HOUSEHOLD LIQUIDS |
FR2668119B2 (en) * | 1990-10-18 | 1992-12-31 | Valois | PROCESS FOR VACUUM PACKAGING IN RIGID ENCLOSED DISPENSERS AND CORRESPONDING DISPENSERS. |
FR2653744B1 (en) * | 1989-10-31 | 1992-03-06 | Valois | PROCESS FOR VACUUM PACKAGING OF PRODUCTS, IN PARTICULAR COSMETICS AND PHARMACEUTICALS, WITHIN DEFORMABLE TANKS OBTAINED BY A DISPENSING PUMP WITHOUT AIR INTAKE, DEVICE FOR IMPLEMENTING SAME AND DISPENSERS THEREOF. |
US5203379A (en) * | 1990-09-12 | 1993-04-20 | Courtaulds Packaging Inc. | Headed thermoplastic tube |
FR2733206B1 (en) * | 1995-04-24 | 1997-08-22 | Oreal | FLEXIBLE PACKAGING TUBE |
ATE302052T1 (en) * | 1996-06-28 | 2005-09-15 | Larami Ltd | WATER GUN WITH BLADDER AND NOZZLE IMPROVEMENTS |
FR2884225B1 (en) * | 2005-04-12 | 2007-06-22 | Airlessystems Soc Par Actions | FILLING METHOD AND DEVICE FOR FILLING A VARIABLE USEFUL VOLUME TANK |
WO2012117401A1 (en) | 2011-03-02 | 2012-09-07 | Greenspense Ltd. | Propellant-free pressurized material dispenser |
US9758641B2 (en) | 2011-07-11 | 2017-09-12 | T.G.L. S.P. Industries Ltd. | Nanoclay hybrids and elastomeric composites containing same |
EP2945881B1 (en) * | 2013-01-16 | 2020-08-26 | Greenspense Ltd. | Propellant-free pressurized material dispenser |
WO2014111940A1 (en) | 2013-01-16 | 2014-07-24 | Greenspense Ltd. | Elastomeric composites exhibiting high and long-lasting mechanical strength and elasticity and devices containing same |
JP1665824S (en) | 2019-08-21 | 2020-08-11 | ||
CN116322607A (en) | 2020-10-27 | 2023-06-23 | 宝洁公司 | Heating conditioner |
USD1006632S1 (en) * | 2020-12-11 | 2023-12-05 | The Procter & Gamble Company | Container for hair care products |
USD1012718S1 (en) | 2020-12-21 | 2024-01-30 | The Procter & Gamble Company | Container for hair care product |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1136600B (en) * | 1960-08-11 | 1962-09-13 | Holstein & Kappert Maschf | Process for filling air-sensitive carbonated beverages |
US3339809A (en) * | 1965-10-23 | 1967-09-05 | Richard O Church | Self-pressurizing container with valve |
US3698595A (en) * | 1969-12-22 | 1972-10-17 | Norman Gortz | Pressurized dispenser |
FR2305241A2 (en) * | 1975-03-28 | 1976-10-22 | Step Soc Tech Pulverisation | Perfume atomiser with cylindrical pump chamber - has spring loaded valve seating against hollow piston |
CH599862A5 (en) * | 1976-04-23 | 1978-05-31 | Koenig Kg Claus | |
JPS5333739U (en) * | 1976-08-30 | 1978-03-24 | ||
US4386929A (en) * | 1980-01-18 | 1983-06-07 | Alza Corporation | Elastomeric bladder assembly |
JPS5763049U (en) * | 1980-09-29 | 1982-04-14 | ||
US4692151A (en) * | 1986-03-04 | 1987-09-08 | Blackman Seymour N | Parenteral fluid medication reservoir pump |
ES294544U (en) * | 1986-06-03 | 1986-10-16 | Garcia Rico M Antonia | Pressurized container. |
US4789082A (en) * | 1986-12-22 | 1988-12-06 | Sampson Renick F | Container discharge control |
-
1988
- 1988-01-08 FR FR8800122A patent/FR2625729B1/en not_active Expired - Lifetime
- 1988-10-24 EP EP88402681A patent/EP0324289B1/en not_active Expired - Lifetime
- 1988-10-24 DE DE8888402681T patent/DE3870847D1/en not_active Expired - Lifetime
- 1988-10-24 AT AT88402681T patent/ATE75691T1/en active
-
1989
- 1989-01-06 JP JP64000569A patent/JP2571710B2/en not_active Expired - Lifetime
- 1989-01-06 US US07/293,915 patent/US4984712A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE75691T1 (en) | 1992-05-15 |
US4984712A (en) | 1991-01-15 |
EP0324289A1 (en) | 1989-07-19 |
DE3870847D1 (en) | 1992-06-11 |
FR2625729A1 (en) | 1989-07-13 |
FR2625729B1 (en) | 1990-08-17 |
JPH01254560A (en) | 1989-10-11 |
JP2571710B2 (en) | 1997-01-16 |
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