FR2766794A1 - Reclosable bag for product in powder or granule form, e.g. sugar - Google Patents
Reclosable bag for product in powder or granule form, e.g. sugar Download PDFInfo
- Publication number
- FR2766794A1 FR2766794A1 FR9709647A FR9709647A FR2766794A1 FR 2766794 A1 FR2766794 A1 FR 2766794A1 FR 9709647 A FR9709647 A FR 9709647A FR 9709647 A FR9709647 A FR 9709647A FR 2766794 A1 FR2766794 A1 FR 2766794A1
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- FR
- France
- Prior art keywords
- shutter
- base
- container
- aperture
- wall
- 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.)
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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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/5861—Spouts
- B65D75/5872—Non-integral spouts
- B65D75/5877—Non-integral spouts connected to a planar surface of the package wall
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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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/5827—Tear-lines provided in a wall portion
- B65D75/5833—Tear-lines provided in a wall portion for tearing out a portion of the wall
- B65D75/5838—Tear-lines provided in a wall portion for tearing out a portion of the wall combined with separate fixed tearing means, e.g. tabs
-
- 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
- B65D2575/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
- B65D2575/52—Details
- B65D2575/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D2575/586—Opening or contents-removing devices added or incorporated during package manufacture with means for reclosing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cartons (AREA)
Abstract
Description
La présente invention concerne un dispositif pour ouvrir et fermer un récipient et un récipient muni d'un tel dispositif
On connait déjà des becs verseurs du type comprenant une partie métallique rigide constituée par deux parois latérales parallèles en forme de secteur de cercle, et une paroi frontale rectangulaire, perpendiculaire aux précédentes. Un tel bec verseur est prévu pour être rapporté sur un récipient jetable, par exemple sur un paquet rigide de sucre en poudre, en étant monté pivotant entre une position sortie dans laquelle il se situe à l'extérieur du récipient et libère l'ouverture de ce dernier et une position rentrée dans laquelle il se situe à l'intérieur du récipient et obture son ouverture.The present invention relates to a device for opening and closing a container and a container provided with such a device
There are already known spouts of the type comprising a rigid metal part constituted by two parallel side walls in the form of a sector of a circle, and a rectangular front wall, perpendicular to the previous ones. Such a pouring spout is intended to be attached to a disposable container, for example on a rigid packet of powdered sugar, by being pivotally mounted between an extended position in which it is located outside the container and frees the opening of the latter and a retracted position in which it is located inside the container and closes its opening.
Ces dispositifs sont relativement coûteux à fabriquer et ne se prêtent pas à une utilisation sur des paquets souples du fait qu'en position rentrée, la partie métallique rigide occupe un certain volume à l'intérieur du récipient. These devices are relatively expensive to manufacture and do not lend themselves to use on flexible packages because in the retracted position, the rigid metal part occupies a certain volume inside the container.
La présente invention propose un dispositif d'ouverture et de fermeture qui résout les problèmes exposés ci-dessus. The present invention provides an opening and closing device which solves the problems set out above.
La présente invention a pour objet un dispositif pour ouvrir et fermer un récipient, notamment un récipient contenant un produit en poudre, comprenant
- une embase ajourée, en feuille, comportant une face interne destinée à être collée sur une paroi du récipient, l'ajour coïncidant avec un perçage réalisé dans ladite paroi,
- un obturateur en feuille, plaqué contre la face interne de l'embase et fermant son ajour, les dimensions de l'obturateur étant telles qu'il ne peut traverser l'ajour de l'embase que moyennant une déformation dudit obturateur ou de ladite embase.The present invention relates to a device for opening and closing a container, in particular a container containing a powdered product, comprising
- an openwork base, in sheet form, having an internal face intended to be glued to a wall of the container, the openwork coinciding with a hole made in said wall,
a sheet shutter, pressed against the internal face of the base and closing its aperture, the dimensions of the shutter being such that it can only cross the aperture of the base by deformation of said shutter or of said base.
Le dispositif selon l'invention présente l'avantage que les deux éléments qui le constituent, à savoir l'embase et l'obturateur, sont des éléments en feuilles qui, d'une part, peuvent être fabriqués de manière économique selon des procédés conventionnels de fabrication d'étiquettes et, d'autre part, sont particulièrement bien adaptés à un usage sur des récipients souples, par exemple sur des paquets de café, car ils n'occupent aucun volume à l'intérieur du récipient. The device according to the invention has the advantage that the two elements which constitute it, namely the base and the shutter, are sheet elements which, on the one hand, can be produced economically according to conventional methods. for manufacturing labels and, on the other hand, are particularly well suited for use on flexible containers, for example on coffee packets, because they occupy no volume inside the container.
Grâce au fait que l'obturateur en position fermée, clest-à-dire situé du côté de la face interne de l'embase, ne peut pas traverser l'ajour de embase sans déformation de l'obturateur ou de l'embase, le perçage de la paroi du récipient demeure fermé tant que l'on n'exerce sur l'obturateur aucune force suffisante pour produire cette déformation. Thanks to the fact that the shutter in the closed position, ie located on the side of the internal face of the base, cannot pass through the opening of the base without deformation of the shutter or of the base, the piercing the wall of the container remains closed as long as no force is exerted on the shutter to produce this deformation.
En revanche, si l'on tire sur l'obturateur pour lui faire traverser l'ajour en force, on libère le perçage et l'on ouvre le récipient. L'obturateur se trouve alors en position ouverte. On the other hand, if you pull the shutter to force it through the hole, you release the hole and open the container. The shutter is then in the open position.
Pour refermer le récipient, on exerce une force en sens inverse, pour forcer l'obturateur à travers l'ajour de l'embase. To close the container, a force is applied in the opposite direction, to force the shutter through the opening in the base.
Le dispositif selon l'invention assure donc de façon simple et efficace l'ouverture et la fermeture du récipient. The device according to the invention therefore ensures simple and effective opening and closing of the container.
De préférence, l'obturateur est assujetti à l'embase par un de ses côtés et traverse l'ajour de l'embase en se pliant ou en se courbant. Preferably, the shutter is secured to the base by one of its sides and crosses the opening of the base by bending or bending.
Dans un mode de réalisation préféré, l'obturateur est élastiquement déformable et supporte les déformations nécessaires à son passage à travers l'ajour de l'embase. In a preferred embodiment, the shutter is elastically deformable and supports the deformations necessary for it to pass through the aperture of the base.
Dans un autre mode de réalisation, c'est l'embase qui est élastiquement déformable et qui supporte les déformations nécessaires au passage de l'obturateur dans l'ajour. In another embodiment, it is the base which is elastically deformable and which supports the deformations necessary for the passage of the shutter in the aperture.
Pour réaliser un obturateur en feuille selon l'invention, on peut par exemple utiliser un polyester et pour l'embase en feuille un polypropylène. To make a sheet shutter according to the invention, it is possible, for example, to use a polyester and for the sheet base a polypropylene.
Dans un mode de réalisation particulier, l'obturateur comporte des pans latéraux qui sont logés entre la paroi du récipient et l'embase et qui, lorsque l'obturateur traverse l'ajour, coulissent et forment des bords en saillie de l'embase. L'obturateur peut ainsi assurer la fonction de bec verseur. In a particular embodiment, the shutter has side panels which are housed between the wall of the container and the base and which, when the shutter crosses the aperture, slide and form projecting edges of the base. The shutter can thus ensure the function of spout.
Dans ce cas, l'embase comporte, autour de son ajour, une plage qui n'est pas collée à la paroi du récipient et qui permet auxdits pans de coulisser entre la paroi du récipient et ladite embase. In this case, the base has, around its aperture, a pad which is not glued to the wall of the container and which allows said sections to slide between the wall of the container and said base.
De préférence, l'obturateur est solidarisé à une languette qui permet de le tirer pour lui faire traverser l'ajour en force. Preferably, the shutter is secured to a tongue which makes it possible to pull it to make it cross the hole in force.
La présente invention a également pour objet un récipient muni d'un dispositif tel que décrit ci-dessus. The present invention also relates to a container provided with a device as described above.
Dans un mode de réalisation particulier, le perçage réalisé dans la paroi du récipient est obtenu par fragilisation d'une zone de ladite paroi délimitant une partie amovible et collage du dispositif décrit ci-dessus, l'obturateur étant collé à ladite partie amovible, de sorte que cette dernière se déchire lorsque l'obturateur traverse l'ajour de l'embase pour la première fois. In a particular embodiment, the hole made in the wall of the container is obtained by weakening an area of said wall delimiting a removable part and bonding of the device described above, the shutter being glued to said removable part, so that the latter tears when the shutter crosses the opening of the base for the first time.
Ce mode de réalisation est avantageux car il assure l'inviolabilité du récipient, ce qui constitue une garantie pour le consommateur. This embodiment is advantageous because it ensures the inviolability of the container, which constitutes a guarantee for the consumer.
Dans le but de mieux faire comprendre l'invention, on va en décrire maintenant deux modes de réalisation donnés à titre d'exemples non limitatifs, en référence au dessin annexé dans lequel
- la figure 1 représente, en perspective, un paquet souple équipé d'un dispositif d'ouverture et de fermeture selon un premier mode de réalisation de l'invention,
- la figure 2 est une vue de face du dispositif d'ouverture et de fermeture de la figure 1,
- la figure 3 est une vue en coupe selon III-III de la figure 2,
- la figure 4 est une vue analogue à la figure 3, après ouverture du récipient,
- la figure 5 est une vue analogue à la figure 3, après fermeture du récipient,
- la figure 6 est une vue éclatée de face d'un dispositif d'ouverture et de fermeture selon un deuxième mode de réalisation de l'invention sans sa languette,
- la figure 7 est une vue de face du dispositif de la figure 6,
- la figure 8 est une vue en perspective du dispositif de la figure 6 en position ouverte,
- la figure 9 est une vue en coupe selon IX-IX de la figure 7,
- la figure 10 est une vue analogue à la figure 9 après ouverture du récipient, et
- la figure ll est une vue analogue à la figure 9 après fermeture du récipient.In order to better understand the invention, we will now describe two embodiments given by way of non-limiting examples, with reference to the accompanying drawing in which
FIG. 1 represents, in perspective, a flexible package equipped with an opening and closing device according to a first embodiment of the invention,
FIG. 2 is a front view of the opening and closing device of FIG. 1,
FIG. 3 is a sectional view along III-III of FIG. 2,
FIG. 4 is a view similar to FIG. 3, after opening the container,
FIG. 5 is a view similar to FIG. 3, after closing the container,
FIG. 6 is an exploded front view of an opening and closing device according to a second embodiment of the invention without its tongue,
FIG. 7 is a front view of the device in FIG. 6,
FIG. 8 is a perspective view of the device of FIG. 6 in the open position,
FIG. 9 is a sectional view along IX-IX of FIG. 7,
FIG. 10 is a view similar to FIG. 9 after opening the container, and
- Figure ll is a view similar to Figure 9 after closing the container.
Le récipient 1 représenté sur la figure 1 est un récipient souple du type de ceux utilisés pour conditionner du café. The container 1 shown in Figure 1 is a flexible container of the type used to package coffee.
Il comporte, sur la face extérieure d'une de ses parois latérales 2, un dispositif d'ouverture et de fermeture 3 selon l'invention. It comprises, on the outer face of one of its side walls 2, an opening and closing device 3 according to the invention.
Ce dispositif 3 est mieux visible sur la figure 2 où l'on voit qu'il comprend une embase 4, un obturateur 5 et une languette 6. This device 3 is better visible in FIG. 2 where it can be seen that it comprises a base 4, a shutter 5 and a tongue 6.
Ces trois pièces sont réalisées en chlorure de polyvinyle (PVC). These three parts are made of polyvinyl chloride (PVC).
L'embase 4 comprend une face interne 4a opposée à celle 4b qui est visible sur la figure 2, qui est collée à la paroi latérale 2 du récipient. The base 4 comprises an internal face 4a opposite to that 4b which is visible in FIG. 2, which is glued to the side wall 2 of the container.
L'embase comporte un ajour 7 circulaire. The base has a circular aperture 7.
L'obturateur 5, qui est conformé en une bande de largeur inférieure au diamètre de l'ajour 7, terminée par un bord d'extrémité circulaire 8 est collé contre la face interne 4a de l'embase 4 en étant positionné de manière à obturer l'ajour 7, son bord d'extrémité circulaire 8 étant situé derrière l'embase 4. The shutter 5, which is shaped into a strip of width less than the diameter of the aperture 7, terminated by a circular end edge 8 is glued against the internal face 4a of the base 4 while being positioned so as to close off the aperture 7, its circular end edge 8 being located behind the base 4.
En d'autres termes, l'obturateur s'étend depuis un premier bord (en bas par rapport au dessin) de l'ajour jusqu'à un second bord diamétralement opposé (en haut par rapport au dessin) le bord d'extrémité 8 de l'obturateur se situant au-delà du second bord et à une faible distance de ce dernier, en l'occurrence 2 à 3 mm, de manière à pouvoir, moyennant une déformation de l'obturateur, traverser l'ajour et passer sur l'autre face de l'embase. In other words, the shutter extends from a first edge (bottom relative to the drawing) of the aperture to a second diametrically opposite edge (top relative to the drawing) the end edge 8 of the shutter located beyond the second edge and at a short distance from the latter, in this case 2 to 3 mm, so that, by means of a deformation of the shutter, pass through the aperture and pass over the other side of the base.
De préférence, l'extrémité circulaire 8 de l'obturateur 5 n'est pas collée à la face interne 4a de l'embase 4. Preferably, the circular end 8 of the shutter 5 is not bonded to the internal face 4a of the base 4.
En revanche, l'obturateur 5 est collé sur la paroi latérale 2 du récipient, ce collage ayant lieu en même temps que celui de l'embase, lors de la mise en place de l'ensemble du dispositif sur le récipient. On the other hand, the shutter 5 is bonded to the side wall 2 of the container, this bonding taking place at the same time as that of the base, during the positioning of the entire device on the container.
La languette 6 présente la forme d'un T renversé. Sa barre horizontale est collée à l'obturateur et sa branche verticale 10 fait saillie de la paroi latérale 2 du récipient, en dépassant de l'ajour 7. The tongue 6 has the shape of an inverted T. Its horizontal bar is glued to the shutter and its vertical branch 10 projects from the side wall 2 of the container, projecting from the opening 7.
En regard de l'ajour 7, la paroi latérale 2 du récipient comporte une ligne de fragilisation l1 qui délimite une partie amovible 2a circulaire correspondant sensiblement à l'ajour 7. Opposite the opening 7, the side wall 2 of the container comprises a line of weakness 11 which delimits a removable circular part 2a corresponding substantially to the opening 7.
Comme on le voit sur la figure 3, après mise en place du dispositif sur le récipient, la partie amovible 2a de la paroi 2 n'est pas altérée et le produit 12 contenu par le récipient est à l'abri de l'air extérieur. As can be seen in FIG. 3, after fitting the device on the container, the removable part 2a of the wall 2 is not altered and the product 12 contained by the container is protected from outside air .
Lorsqu'on ouvre le récipient pour la première fois, on tire sur la branche verticale 10 de la languette 6. When the container is opened for the first time, pull on the vertical branch 10 of the tongue 6.
Cette force se transmet à l'obturateur 5, lequel exerce à son tour une traction sur la partie amovible 2a de la paroi latérale 2. This force is transmitted to the shutter 5, which in turn exerts traction on the removable part 2a of the side wall 2.
Cette dernière se déchire le long de sa ligne de fragilisation, ce qui provoque l'ouverture du récipient, comme on le voit sur la figure 4, et l'obturateur prend sa position ouverte dans laquelle il a traversé l'ajour 7 et s'est courbé dans sa région voisine du bord inférieur de l'ajour.The latter tears along its line of embrittlement, which causes the opening of the container, as seen in Figure 4, and the shutter takes its open position in which it has crossed the opening 7 and s' is curved in its region near the lower edge of the aperture.
La déformation de l'obturateur nécessaire à son passage à travers l'ajour est facilitée par le fait que la traction qu'il subit s'exerce dans sa région située au centre de l'ajour. The deformation of the shutter necessary for its passage through the aperture is facilitated by the fact that the traction which it undergoes is exerted in its region located in the center of the aperture.
Cette traction provoque la flexion de l'obturateur dans cette région centrale, ce qui ramène l'extrémité circulaire 8 à hauteur du bord de l'ajour 7. L'obturateur peut ainsi traverser l'ajour. This traction causes the shutter to bend in this central region, which brings the circular end 8 up to the edge of the aperture 7. The shutter can thus cross the aperture.
Pour refermer le récipient, on repousse l'obturateur vers l'intérieur du récipient. To close the container, push the shutter towards the inside of the container.
L'obturateur fléchit à nouveau dans sa région centrale et son extrémité circulaire traverse l'ajour 7 et le perçage du récipient pour prendre une position fermée, représentée à la figure 5, dans laquelle le bord de l'extrémité 8 de l'obturateur est retenu dans le récipient par appui contre la paroi 2 renforcé par la face interne 4a de l'embase 4. The shutter bends again in its central region and its circular end crosses the aperture 7 and the bore of the container to take a closed position, represented in FIG. 5, in which the edge of the end 8 of the shutter is retained in the container by pressing against the wall 2 reinforced by the internal face 4a of the base 4.
En revanche, la branche verticale 10 de la languette 6 traverse l'ajour et demeure à l'extérieur du récipient pour permettre la réouverture du récipient en tirant sur la languette. On the other hand, the vertical branch 10 of the tongue 6 crosses the aperture and remains outside the container to allow the container to be reopened by pulling on the tongue.
Dans le mode de réalisation des figures 6 à 11, l'obturateur et l'embase présentent une forme différente de celles précédemment décrites. In the embodiment of Figures 6 to 11, the shutter and the base have a shape different from those previously described.
En effet, l'embase 13, de forme rectangulaire, comporte un ajour trapézoïdal 14. In fact, the base 13, of rectangular shape, has a trapezoidal aperture 14.
L'embase 13 est prévue pour n'être collée sur la face extérieure de la paroi 2 du récipient que par sa marge 15, ce qui laisse, autour de l'ajour 14, une plage 16 non collée à la paroi 2 du récipient. The base 13 is designed to be bonded to the outside face of the wall 2 of the container only by its margin 15, which leaves, around the aperture 14, a patch 16 not bonded to the wall 2 of the container.
L'obturateur 17 présente la forme générale d'un secteur de disque s'étendant sur environ 900, muni à sa partie basse (par rapport à la figure 6) d'une patte rectangulaire 18 qui permet sa fixation à l'embase par collage contre la face interne 13a de cette dernière, la patte 18 se trouvant juste en dessous de la petite base 14a de la l'ajour 14. The shutter 17 has the general shape of a disk sector extending over approximately 900, provided at its lower part (relative to FIG. 6) with a rectangular tab 18 which allows its fixing to the base by gluing against the internal face 13a of the latter, the tab 18 being located just below the small base 14a of the opening 14.
Le bord circulaire 17a de l'obturateur 17 comporte également, dans le prolongement de chacun des deux bords latéraux 19, un ergot 20 de forme rectangulaire et, à côté de cet ergot, un onglet 21. The circular edge 17a of the shutter 17 also comprises, in the extension of each of the two lateral edges 19, a lug 20 of rectangular shape and, next to this lug, a tab 21.
Exception faite de sa patte de fixation 18, l'obturateur 17 se situe dans la plage 16 dépourvue de colle de l'embase. With the exception of its fixing lug 18, the shutter 17 is located in the range 16 devoid of glue from the base.
L'ensemble du dispositif constitué par l'embase et l'obturateur se fixe par collage sur la paroi 2 du récipient, laquelle comporte une ligne de fragilisation 22 constituée par deux segments de droite correspondant aux bords 14b de l'ajour trapézoïdal 14, ces deux segments de droite étant réunis à leurs extrémités les plus éloignées, par un segment de courbe qui suit le bord supérieur de l'obturateur 17. The entire device constituted by the base and the shutter is fixed by bonding to the wall 2 of the container, which comprises a weakening line 22 constituted by two straight segments corresponding to the edges 14b of the trapezoidal aperture 14, these two straight segments being joined at their most distant ends, by a curve segment which follows the upper edge of the shutter 17.
Une languette 23, similaire à celle précédemment décrite, est en outre collée par sa branche horizontale sur la partie centrale de l'obturateur. A tongue 23, similar to that previously described, is also glued by its horizontal branch to the central part of the shutter.
Le dispositif appliqué sur la paroi 2 du récipient avant ouverture de ce dernier est représenté en coupe sur la figure 9. The device applied to the wall 2 of the container before opening of the latter is shown in section in FIG. 9.
Lorsqu'on tire sur la languette 23, cette dernière exerce une traction dans la partie centrale de l'obturateur 17. When the tongue 23 is pulled, the latter exerts traction in the central part of the shutter 17.
L'obturateur commence alors à se déformer en fléchissant dans sa partie centrale, ce qui permet à son bord circulaire 17a de se dégager de l'embase en passant sous la grande base 14c de l'ajour trapézoïdal 14. The shutter then begins to deform by bending in its central part, which allows its circular edge 17a to disengage from the base by passing under the large base 14c of the trapezoidal aperture 14.
L'obturateur ainsi libéré traverse l'ajour 14 en se courbant dans sa région voisine de la petite base 14a de l'ajour, juste au-dessus de la patte 18. The shutter thus released crosses the aperture 14 by bending in its region near the small base 14a of the aperture, just above the tab 18.
Simultanément, l'obturateur s'arrondit et prend une forme sensiblement conique résultant, d'une part, de la traction exercée par la languette dans sa partie centrale, d'autre part, de la rétention exercée par ses bords latéraux qui sont emprisonnés entre la paroi 2 et l'embase 13. Simultaneously, the shutter is rounded and takes a substantially conical shape resulting, on the one hand, from the traction exerted by the tongue in its central part, on the other hand, from the retention exerted by its lateral edges which are trapped between wall 2 and base 13.
Sous l'effet de la traction exercée par la languette, lesdits bords latéraux se rapprochent l'un de l'autre jusqu'à ce que les onglets 21 arrivent au voisinage de la grande base 14c de l'ajour. Under the effect of the traction exerted by the tongue, said lateral edges approach each other until the tabs 21 arrive in the vicinity of the large base 14c of the aperture.
A ce stade, il faut appliquer un effort supplémentaire sur l'obturateur pour forcer les onglets 21 à traverser l'ajour. At this stage, an additional force must be applied to the shutter to force the tabs 21 to pass through the aperture.
Cet effort supplémentaire peut être appliqué en tirant davantage sur la languette ou en appliquant un doigt sur la face interne de l'obturateur, à laquelle l'accès est rendu possible par le fait que l'obturateur a commencé à prendre une forme sensiblement conique. This additional effort can be applied by pulling more on the tab or by applying a finger to the internal face of the shutter, to which access is made possible by the fact that the shutter has started to take on a substantially conical shape.
Les onglets 21 ayant traversé l'ajour, l'obturateur se trouve dans la position, représentée aux figures 8 et 10, dans laquelle les onglets 21 empêchent l'obturateur de reprendre sa position fermée par retour élastique, tandis que les ergots 20 empêchent l'obturateur de s'engager davantage en-dehors de l'embase. The tabs 21 having passed through the aperture, the shutter is in the position, shown in FIGS. 8 and 10, in which the tabs 21 prevent the shutter from returning to its closed position by elastic return, while the lugs 20 prevent the shutter to engage further outside the base.
L'obturateur ainsi déformé constitue un bec verseur qui permet de délivrer le produit contenu dans le récipient. The shutter thus deformed constitutes a pouring spout which makes it possible to deliver the product contained in the container.
Pour refermer le récipient, on repousse l'obturateur vers l'intérieur en forçant le passage des onglets 21 à travers l'ajour 14. To close the container, the shutter is pushed inwards by forcing the passage of the tabs 21 through the opening 14.
L'obturateur reprend alors naturellement sa forme plate qui correspond à sa position rentrée. The shutter then naturally resumes its flat shape which corresponds to its retracted position.
Pour assurer une fermeture efficace du récipient, on repousse le bord supérieur 17a de l'obturateur au-delà de l'embase, de sorte que l'obturateur reprend sa position initiale, comme on le voit sur la figure 11. To ensure effective closure of the container, the upper edge 17a of the shutter is pushed back beyond the base, so that the shutter returns to its initial position, as seen in FIG. 11.
I1 est bien entendu que le mode de réalisation qui vient d'être décrit ne présente aucun caractère limitatif et qu'il pourra recevoir toute modification désirable sans sortir pour cela du cadre de l'invention. It is understood that the embodiment which has just been described has no limiting character and that it can receive any desirable modification without departing from the scope of the invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9709647A FR2766794A1 (en) | 1997-07-29 | 1997-07-29 | Reclosable bag for product in powder or granule form, e.g. sugar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9709647A FR2766794A1 (en) | 1997-07-29 | 1997-07-29 | Reclosable bag for product in powder or granule form, e.g. sugar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2766794A1 true FR2766794A1 (en) | 1999-02-05 |
Family
ID=9509764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9709647A Pending FR2766794A1 (en) | 1997-07-29 | 1997-07-29 | Reclosable bag for product in powder or granule form, e.g. sugar |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2766794A1 (en) |
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