EP0593728B1 - Receptacle with an opening that can be repeatedly opened and closed and process for the manufacture of same - Google Patents

Receptacle with an opening that can be repeatedly opened and closed and process for the manufacture of same Download PDF

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Publication number
EP0593728B1
EP0593728B1 EP93910088A EP93910088A EP0593728B1 EP 0593728 B1 EP0593728 B1 EP 0593728B1 EP 93910088 A EP93910088 A EP 93910088A EP 93910088 A EP93910088 A EP 93910088A EP 0593728 B1 EP0593728 B1 EP 0593728B1
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EP
European Patent Office
Prior art keywords
receptacle
neck
orifice
film
articulated
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
Application number
EP93910088A
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German (de)
French (fr)
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EP0593728A1 (en
Inventor
Jean Augustin Bodet
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Individual
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Individual
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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
    • B65D75/04—Articles or materials wholly enclosed in single sheets or wrapper blanks
    • B65D75/20—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks doubled around contents and having their opposed free margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D75/22—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks doubled around contents and having their opposed free margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding the sheet or blank being recessed to accommodate contents
    • 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape

Definitions

  • the present invention is in the field of packaging and relates more particularly to a container intended to be filled with a product in any form whatsoever (liquid, powder, paste, etc.) and which can, after filling, be closed and opened several times by the consumer so that he can withdraw the desired quantity of product according to his needs, this container allowing a tight closure each time.
  • a product in any form whatsoever (liquid, powder, paste, etc.) and which can, after filling, be closed and opened several times by the consumer so that he can withdraw the desired quantity of product according to his needs, this container allowing a tight closure each time.
  • trays intended especially for foodstuffs.
  • these trays consist of a body made of synthetic material, most often by thermoforming, provided with a cover.
  • Document FR-A-2 651 749 describes a hermetically sealed container, after filling with a liquid, with a cover. In this case, we certainly obtain the original seal and the necessary seal, but the container can only be used for a single use since, once removed, the cover cannot be replaced.
  • Document FR-A-2 656 590 describes, for its part, a tray comprising a body made of synthetic material and closed with a removable cover, also made of synthetic material, by fitting covering a groove provided around the perimeter of the cover, on a rib located around the perimeter of the body.
  • a tray comprising a body made of synthetic material and closed with a removable cover, also made of synthetic material, by fitting covering a groove provided around the perimeter of the cover, on a rib located around the perimeter of the body.
  • the same tray can be opened and then closed several times, but the lid exceeds the outline of the body and can easily be opened by accident.
  • the seal is very uncertain for liquid products.
  • the cover is secured to the body.
  • Containers which have a body and an orifice located at the end of a neck of smaller dimensions:
  • Document US-A-3,380,608 describes a completely molded plastic bottle with a body and a neck. It is made from a thermoformed sheet to present two shells integral and symmetrical with respect to a fold line, which each have a part of the neck, then which are folded towards each other and welded, the plane of seal passing through the neck.
  • the neck is formed of two halves located on either side of the joint plane, so that this neck is not smooth and strictly circular:
  • margins welded in pairs diametrically opposite with respect to the axis of the neck. Internally, at the right of these pairs of margins, it has two small grooves resulting from the inevitable existence of connecting leaves between the interior surface of the neck and the four margins.
  • this bottle is integral with a stopper intended for closing the neck, by means of a tab which is attached not to the bottle itself but to the neck itself.
  • this neck is secured to a radial outer tab carrying a screw cap which can visibly be placed in the closed position only by covering the collar externally, by its pitch.
  • Document FR-A-2,314,877 describes a container which does not have a neck and which cannot be opened and closed successively since it provides for the opening to be made by definitive tearing of a hollow appendage communicating with the interior of the container.
  • Document US-A-3,297,208 describes a container traversed by an interior orifice with a protruding neck, with smooth interior and exterior walls, integral with a shutter for repetitive use which is located on a leg articulated with said container, and not at the neck, and which has a cylindrical part which can be inserted into the neck.
  • the object of the invention is to provide a container having a small orifice relative to the body of said container, originally sealed to guarantee that the content is intact, associated with a shutter for repetitive use with an excellent seal.
  • the subject of the invention is a container crossed by an interior orifice with a protruding neck, with smooth interior and exterior walls, secured to a shutter for repetitive use which is located on a leg articulated to said container, and not at the neck, and which has a cylindrical part which can be inserted into the neck, characterized in that the neck is continuously cylindrical, made of a flexible material, and insulated, that is to say that it projects away from any other relief, the cylindrical part insertable into the neck, having a height at least equal to that of said neck, the inner wall, at least, of the neck and the outer wall, at least, of the cylindrical part being made of synthetic material.
  • Figures 1 to 5 illustrate a first embodiment of a container according to the invention as well as the different steps for obtaining said container.
  • a container 1 is produced in one piece, from a plastic film 2 by thermoforming in a mold 4 provided with suction channels 6, as shown diagrammatically in FIG. 1.
  • the body 10 of the container 1 is first produced by forming two concave parts 12 and 14 as well as an articulated tab 16 formed from the part 12 and provided with a shutter 18.
  • the two concave parts 12 and 14 are joined by one of their edges and the film of synthetic material constitutes, in this area, a hinge 15.
  • the shutter 18 comprises a cylindrical part 30 and a frustoconical end 32, the cylindrical part 30 contributing to the sealing of the shutter as explained below.
  • a filling and emptying orifice 20 is produced on the body 10 in a zone distinct from the edges of the concave parts which form reliefs.
  • a pilot hole 22 is drilled in the face 14 a of the part 14 of the body, in an area facing the shutter 18 after the hinged leg 16 has been folded down. towards part 14.
  • the chosen surface is advantageously flat.
  • the actual orifice is then formed by passing a heating punch 24 through the pilot hole 22, as shown diagrammatically in FIG. 2 b .
  • the heating punch 24 is calibrated to the internal diameter which the orifice 20 must ultimately have.
  • Figure 3 shows the part from the process described above.
  • margins 28 have been provided on the edges of each of the parts 12 and 14, during the thermoforming step.
  • the two parts 12 and 14 are assembled according to the arrow F1 and the margins 28 are joined in pairs, for example by heat sealing, the parts 12 and 14 facing each other by their concavity.
  • the smooth neck 26 is located far from the margins 28 and, in particular, that it is not created partially on the part 12 and partially on the part 14, so that it is not crossed by the plane of seal margins 28.
  • the product is introduced into the container either before the parts 12 and 14 are joined, or after these parts are joined, by the orifice 20.
  • Figures 4 and 5 show the container 1 respectively in the open position and the closed position. It can be seen that in order to close the filling and emptying orifice 20, the articulated tab 16 secured to the part 12 is folded down, towards the part 14 according to the arrow F2. The frusto-conical end 32 of the obturator 18 is then introduced into the orifice 20 and pressure is exerted on it to push it in until the cylindrical part 30 comes into contact with the smooth neck 26.
  • the obturation thus obtained is completely sealed thanks on the one hand to the presence of the cylindrical part 30 of the obturator 18 whose height h 1 is at least equal to the height h 1 'of the smooth neck 26.
  • the outside diameter d 1 of the cylindrical part 30 is substantially equal to the inside diameter d 2 of the smooth neck 26 and on the other hand, thanks to the contact between synthetic material and synthetic material that is created between said cylindrical part 30 and col 26.
  • the user raises the articulated tab 16 in the direction of the arrow F3 to extract the shutter 18 from the orifice 20.
  • the consumer can take the product in small quantities from the container and close the latter with an excellent seal each time.
  • Sealing is called an operation which ensures that the container has not already been opened.
  • connection means initially making the articulated lug 16 provided with the shutter 18 integral with the body 10 of the container 1, these connection means then being annihilated during the first opening of the orifice 20, as described with reference to Figures 6 and 7.
  • the free end 16 a of the articulated lug 16 is made integral with the face 14 a of the body 10 in which the orifice 20 has already been made, far from it and from the smooth neck 26.
  • at least one welding point 40 is created which causes a deformation towards the interior of the container 1 relative to the face 14 a , by applying in a localized and relatively rapid manner, a sufficient heat source. , taking into account the characteristics of the material of the container.
  • This operation carried out after filling and closing the container with the shutter 18, fixes the end 16 a to the face 14 a .
  • sealing is used here only for inviolability and does not participate in any way in the initial closure of the container as in subsequent closings. This is therefore entirely different from certain known containers which are only leaktight by sealing, which means that the seal disappears as soon as it is opened for the first time.
  • FIGS. 4 and 5 the shape of the constituent parts 12 and 14 chosen in the example given here is particularly advantageous. Indeed, these have flat parts 12 b and 14 b , in the region of the hinge 15, which together constitute a base making it possible to place the container 1 in stable equilibrium.
  • the articulated tab 16 provided with the shutter 18 and the filling and emptying orifice 20, are located on constituent parts 12 and 14 different from the body 10, and not partially on the two parts 12 and 14.
  • the articulated lug and the orifice can be on the same constitutive part of the body of the container, since the orifice and its neck , at least, are not partially on two parts at the same time, crossed by the parting line because this arrangement would be opposed to obtaining a good seal of the successive obturations.
  • a container 50 is formed from a synthetic film 52 by thermoforming in a mold 54 having a plurality of suction channels 56.
  • the body 60 of the container 50 is formed by two concave parts 62 and 64 joined by one of their edges and the film 52 constitutes, in this zone, a hinge 65.
  • an articulated lug 66 coming from the forming of the part 64 and provided with a shutter 68.
  • FIG. 9 shows more precisely the position of the film 52 before thermoforming and the structure of the mold 54 in the area of the shutter. Thanks to the presence of the ring 58, there is obtained, after the thermoforming operation, a shutter 68 having on the one hand, a groove 80 defining a cylindrical part 82 and on the other hand, a bottom 84, as can be see it in more detail in Figure 12.
  • the orifice 70 is produced in a manner analogous to the diagram of FIGS. 2 a , 2 b and 2 c for the orifice 20, that is to say, by first making a pilot hole of small diameter then by calibrating it and simultaneously forming a smooth neck 76 by passing a heating punch through this pilot hole.
  • Figure 8 shows the part obtained at the end of the above steps.
  • Margins 78 have been provided during thermoforming, on each of the sides of parts 62 and 64, except of course, at the level of hinge 65.
  • Parts 62 and 64 are joined together according to arrow F4 and margins 78 are joined two to two, for example by heat sealing, to form the body 60 of the container 50.
  • a container is thus obtained as shown in FIGS. 11 and 13.
  • the articulated tab 66 is folded towards the part 64 of the body 60 of the container 50, in the direction of the arrow F5, and the part 82-84 of the shutter 68 is introduced. in said orifice 70.
  • the shape and dimensions of the shutter 68 are determined as a function of the orifice 70 so that the shutter 68 comes to cover the smooth neck 76 to ensure correct sealing. .
  • the height h 2 of the cylindrical part 82 defined by the groove 80 is substantially equal to the height h 2 'of the smooth neck 76.
  • the width l of the groove 80 is provided slightly less than the thickness e of the film 52 forming the neck 76.
  • the part 82-84 of the shutter 68 intended to enter the filling and emptying orifice 70 has a slightly frustoconical shape and the outside diameter d 3 of the bottom 84 is substantially equal to the inside diameter d 4 of the neck 76
  • the adjustment of the diameters d 3 and d 4 facilitates the entry of the shutter 68 into the neck 76.
  • the shutter 68 exerts on the neck 76 a push towards the exterior of the orifice 70 which, taking into account, in addition, the elastic properties of the film 52, deforms radially.
  • the closed position is detailed in FIG. 14 and it can be seen that the neck 76 abuts in the bottom of the groove 80.
  • the smooth neck 76 is forced into the groove 80 since the thickness e of the film is slightly greater than the width l of the groove 80, which leads to a very good seal.
  • the insertion of the neck 76 into the groove 80 is possible thanks to the fact that this neck 76 is smooth internally and externally, which allows it to slide against the two opposite faces of the groove 80.
  • the shutter 68 is removed from the orifice 70 by exerting a movement according to the arrow F6 on the articulated tab 66.
  • the closing and opening operations can be repeated as many times as necessary, each time obtaining a very good seal.
  • FIGS. 11 and 13 also show that the container 50 can be placed in stable equilibrium thanks to the presence of the flat surfaces 62 b and 64 b provided on the constituent parts of the body 60, in the region of the hinge 65.
  • the body 10-60 of the container 1-50 is formed of two concave parts 12-14 and 62-64 joined together facing each other by their concavity.
  • the invention is not limited to this type of container and it is, of course, possible to provide an articulated tab provided with a shutter as well as a filling and emptying orifice, on a container having a body. in a single game.
  • the body of the container can take quite varied forms, but the presence of at least one flat surface to form a base allowing it to be placed in stable equilibrium is particularly advantageous.
  • FIGS. 15 to 18 illustrate other embodiments of the invention and it can be seen in these figures that the body of the container, produced as above from a thermoplastic film 100, is formed from a bottom 102 and of a cover 104 joined by one of their edges, the film 100 constituting a hinge in this assembly zone.
  • the body is formed by securing the cover 104 to the bottom 102 (according to arrow F7), by any known means.
  • the filling and emptying orifice, respectively 116 and 140 is made in the cover 104, after the thermoforming operation in the manner shown diagrammatically in FIGS. 2 a , 2 b and 2 c , by forming a smooth neck respectively 118 and 142 located far from the area for fixing the cover 104 to the bottom 102.
  • the container 111 of FIG. 15 has an articulated lug 106 secured to the cover 104 while the container 113 of FIG. 16 is provided with an articulated lug 126 secured to the bottom 102.
  • the articulated leg 106-126 is provided with a shutter 108-128 and it can be seen that the shape of the latter differs depending on whether the articulated leg 106 and the orifice 116 are located on the same constitutive part 104 of the body or depending on whether the articulated tab 126 and the orifice 140 are located on separate parts, respectively 102 and 104, of the same body.
  • the shape and the dimensions of the shutter 108 are determined as in the case of the shutter 68, that is to say that it comprises a groove 110 defining a cylindrical part 112 and a bottom 114.
  • the shutter 108 comes to cap the smooth neck 118 which is finally in abutment in the bottom of the groove 110, as explained with reference to FIGS. 12 and 14.
  • the shutter 128 is of the type of the shutter 18 previously described, that is to say that it comprises a cylindrical part 130 and a frustoconical end 132.
  • the flap is folded the articulated tab 126 towards the cover 104 (according to the arrow F9), the frustoconical end 132 enters the orifice 140 and the cylindrical part 130 comes into contact with the smooth neck 142, as indicated for the container in FIGS. 4 and 5.
  • the articulated leg 106 ' is integral with the bottom 102 and is provided with a shutter 108' which has a groove 110 ', defining a cylindrical part 112', and a bottom 114 '.
  • the neck 116' abuts in the bottom of the groove 110 ', as explained above with reference to FIGS. 12 and 14.
  • the articulated leg is, on the contrary, integral with the cover 104 and has a shutter 128 '(similar to the shutters 18 and 128) comprising a cylindrical part 130' and a frustoconical bottom 132 '.
  • a shutter 128 ' similar to the shutters 18 and 1228
  • the articulated tab 128' is folded down towards the bottom 102 of the container 117 according to the arrow F11 and the cylindrical part 130 'comes into contact with the smooth neck 142'.
  • the containers are made in one piece by thermoforming and it is in particular for reasons of cost of the molds and ease of molding that one chooses one or the other.
  • type of shutter (18-128-128 'or 68-108-108') according to its positioning relative to the filling and emptying orifice, as can be understood by referring to Figures 1 and 8.
  • FIG. 19 illustrates, for its part, a container 150 made up of two independent parts, namely a body 152 such as a tray and a cover 154.
  • This embodiment has the advantage of allowing the use of pre-existing and standardized bodies, made of synthetic or other material, by various methods.
  • the cover 154 is secured to the body 152 by any known means, for example by heat sealing on margins 153 provided for this purpose, as illustrated by the arrows F12.
  • the cover 154 is produced by thermoforming a film of synthetic material and there is practiced in this, a filling and / or emptying orifice 156 having a smooth neck 158 projecting around its entire periphery, according to the diagram.
  • Figures 2 a , 2 b and 2 c are illustrations of the cover 154 .
  • An articulated tab 160 has come from forming with the cover 154. It is provided with a shutter 162 (similar to shutters 68, 108 and 108 ') which has a groove 164 defining a cylindrical part 166, and a bottom 168.
  • the articulated tab 160 is folded towards the latter according to the arrow F13, by pivoting around a hinge 170 provided on the cover 154.
  • the groove 164 comes to cover the neck 158 which penetrates therein until it stops in its bottom and the cylindrical part 166 comes into contact with said neck 158.
  • the invention is not limited to containers produced solely from a film of synthetic material, as in the aforementioned cases.
  • Figures 20 to 22 illustrate for example the manufacture of a container 190 from a synthetic film provided on its outer face with cardboard elements.
  • two cardboard shells 202 and 204 are placed in the bottom of a mold 200. Then, a synthetic film 206 is applied by thermoforming on these two shells. Also, the film 206 also forms two shells 208 and 210 covering the interior surfaces of the cardboard elements 202 and 204. The film 206 also covers the gap remaining between them, to constitute a hinge 205.
  • An articulated lug 212 is also provided integral with the part 204-210. In the case considered here, it came from forming in one piece with the film 206.
  • the articulated lug 212 comprises a shutter 214 similar to the shutters 68-108-108 ', that is to say that it has a groove 216 defining a cylindrical part 218 and a bottom 220.
  • a filling and emptying orifice 222 is produced in one of the two constituent parts of the body of the container 190, here part 204-210.
  • an opening 225 is optionally provided in the cardboard element 204 in the area where the opening is to be made, and the procedure is as explained above with reference to FIGS. 2 a , 2 b and 2 c , through this passage.
  • the orifice 222 is thus formed with a smooth neck 224 projecting around its entire periphery, beyond the cardboard shell 204.
  • the two parts 202-208 and 204-210 are then joined together to constitute the body proper and the container 190 shown in FIGS. 21 and 22 is obtained.
  • the dimensions of the shutter 214 are adapted, as described above, to those of the orifice 222, and the absence of cardboard in the shutter zone makes it possible to obtain a very good seal, in a manner analogous to cases. already cited.
  • the container has an outer cardboard surface has advantages in indicating the characteristics of the content, its mode of use, its applications, the precautions for use, etc.
  • the film 206 may, at the level of the body of the container, be only partially covered with cardboard.
  • the invention is particularly suitable for the packaging of flowable products such as liquids, powders, granules, etc. because it achieves a excellent level of tightness alongside the possibility of successive openings and closings. It therefore makes it possible to withdraw the contents in small quantities and to close the container tightly after each use.
  • the invention is also particularly advantageous with regard to the concern for preserving the environment because, not only is it possible to adopt a recyclable material but also, the manufacturing process by thermoforming makes it possible to obtain single-material articles with walls of reduced thickness, which allows a saving of material.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Making Paper Articles (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Packages (AREA)

Abstract

Receptacle (1; 50; 111; 113; 115; 117; 150; 190) having an opening (20; 70; 116; 140; 116'; 140'; 156; 222) with a projecting neck (26; 76; 118; 142; 118'; 142'; 158; 224), said receptacle being integral with a cap (18; 68; 108; 128; 108'; 128'; 162; 214) capable of repeated use located on a flexible tab (16; 66; 106; 126; 106'; 126'; 160; 212). The receptacle is characterized in that the cylindrical neck (26; 76; 118; 142; 118'; 142'; 158; 224) is inwardly and outwardly smooth and is distinct i.e. located on the container so as to be separated from any other shaped surface. The cap (18; 68; 108; 128; 108'; 128'; 162; 214) is attached to the container itself and not to the neck and has a cylindrical part (30; 82; 112; 130; 112'; 130'; 166; 218) of a height (h1; h2) at least equal to that (h'1; h'2) of the neck (26; 76; 118; 142; 118'; 142'; 158; 224), the contact between the cap and the neck being of the synthetic material against synthetic material type. The invention is especially suitable for the packaging of liquid, paste-like or powdery flow products.

Description

La présente invention se situe dans le domaine du conditionnement et concerne plus particulièrement un contenant destiné à être rempli d'un produit sous quelle que forme que ce soit (liquide, poudre, pâte, etc.) et pouvant, après remplissage, être fermé et ouvert plusieurs fois par le consommateur pour que celui-ci puisse prélever la quantité désirée de produit selon ses besoins, ce contenant permettant une fermeture étanche à chaque fois.The present invention is in the field of packaging and relates more particularly to a container intended to be filled with a product in any form whatsoever (liquid, powder, paste, etc.) and which can, after filling, be closed and opened several times by the consumer so that he can withdraw the desired quantity of product according to his needs, this container allowing a tight closure each time.

On connait déjà de nombreux types de conditionnements et notamment des barquettes destinées tout particulièrement aux denrées alimentaires. D'une manière générale, ces barquettes sont constituées d'un corps réalisé en matière synthétique, le plus souvent par thermoformage, muni d'un couvercle.We already know many types of packaging and in particular trays intended especially for foodstuffs. Generally, these trays consist of a body made of synthetic material, most often by thermoforming, provided with a cover.

On peut distinguer deux sortes de barquettes :We can distinguish two kinds of trays:

Le document FR-A-2 651 749 décrit un récipient fermé hermétiquement, après remplissage avec un liquide, par un opercule. Dans ce cas, on obtient certes le scellage d'origine et l'étanchéité nécessaire, mais le récipient ne peut servir qu'à un usage unique puisque, une fois retiré, l'opercule ne peut être replacé.Document FR-A-2 651 749 describes a hermetically sealed container, after filling with a liquid, with a cover. In this case, we certainly obtain the original seal and the necessary seal, but the container can only be used for a single use since, once removed, the cover cannot be replaced.

Le document FR-A-2 656 590 décrit, quant à lui, une barquette comprenant un corps réalisé en matière synthétique et fermé à l'aide d'un couvercle amovible, également réalisé en matière synthétique, par emboîtement coiffant d'une rainure prévue sur le pourtour du couvercle, sur une nervure située sur le pourtour du corps. Dans ce cas, une même barquette peut être ouverte puis refermée plusieurs fois, mais le couvercle dépasse le contour du corps et peut facilement être ouvert par accident.Document FR-A-2 656 590 describes, for its part, a tray comprising a body made of synthetic material and closed with a removable cover, also made of synthetic material, by fitting covering a groove provided around the perimeter of the cover, on a rib located around the perimeter of the body. In this case, the same tray can be opened and then closed several times, but the lid exceeds the outline of the body and can easily be opened by accident.

En outre, l'étanchéité est très incertaine pour des produits liquides. Il existe aussi des formes de réalisation selon lesquelles le couvercle est solidaire du corps.In addition, the seal is very uncertain for liquid products. There are also embodiments in which the cover is secured to the body.

Ces barquettes sont très répandues, en particulier pour la vente de plats préparés, notamment en grandes surfaces ou autres libres services. Néanmoins, le niveau d'étanchéité obtenu n'est en général pas suffisant pour des produits liquides.These trays are very widespread, in particular for the sale of prepared meals, especially in supermarkets or other self-service shops. However, the level of tightness obtained is generally not sufficient for liquid products.

Généralement, c'est toute la surface du contenant qui est ouverte ou fermée et non un orifice comme pour les contenants du type flacon.Generally, it is the entire surface of the container that is open or closed and not an orifice as for containers of the vial type.

Enfin, ces barquettes ne sont pas destinées à un usage répétitif mais plutôt à un usage unique.Finally, these trays are not intended for repetitive use but rather for single use.

On connaît ausssi des contenants qui présentent un corps et un orifice situé à l'extrémité d'un col de plus petites dimensions :Containers are also known which have a body and an orifice located at the end of a neck of smaller dimensions:

Le document US-A-3.380.608 décrit un flacon entièrement moulé en matière synthétique et présentant un corps ainsi qu'un col. Il est constitué à partir d'une feuille thermoformée pour présenter deux coquilles solidaires et symétriques par rapport à une ligne de pliage, qui présentent chacune une partie du col, puis qui sont repliées l'une vers l'autre et soudées, le plan de joint passant par le col.Document US-A-3,380,608 describes a completely molded plastic bottle with a body and a neck. It is made from a thermoformed sheet to present two shells integral and symmetrical with respect to a fold line, which each have a part of the neck, then which are folded towards each other and welded, the plane of seal passing through the neck.

Après soudage, le col est formé de deux moitiés situées de part et d'autre du plan de joint, de sorte que ce col n'est pas lisse et rigoureusement circulaire :After welding, the neck is formed of two halves located on either side of the joint plane, so that this neck is not smooth and strictly circular:

Extérieurement, il présente des marges soudées par paires opposées diamétralement par rapport à l'axe du col. Intérieurement, au droit de ces paires de marges, il présente deux petits sillons résultant de l'existence inévitable de congés de raccordement entre la surface intérieure du col et les quatre marges.Externally, it has margins welded in pairs diametrically opposite with respect to the axis of the neck. Internally, at the right of these pairs of margins, it has two small grooves resulting from the inevitable existence of connecting leaves between the interior surface of the neck and the four margins.

Ces sillons ne se voient pas sur le dessin cer celui-ci est une représentation théorique et abstraite mais l'homme de métier sait que dans la réalité, une telle discontinuité de la surface intérieure du col est un fait patent.These grooves are not seen on the drawing since it is a theoretical and abstract representation but the skilled person knows that in reality, such a discontinuity of the inner surface of the neck is a patent fact.

De plus, ce flacon est solidaire d'un bouchon destiné à la fermeture du col, par l'intermédiaire d'une patte qui tient non pas au flacon proprement dit mais au col lui-même.In addition, this bottle is integral with a stopper intended for closing the neck, by means of a tab which is attached not to the bottle itself but to the neck itself.

La présence de cette patte disposée radialement par rapport au col crée inévitablement des tensions qui tendent à déformer le col, celui-ci ne pouvant donc pas être parfaitement circulaire.The presence of this tab arranged radially with respect to the neck inevitably creates tensions which tend to deform the neck, the latter therefore not being able to be perfectly circular.

En raison de ces irrégularités, qui proviennent de deux causes différentes et additionnées, un tel flacon ne peut pas être obturé de manière étanche.Due to these irregularities, which come from two different and combined causes, such a bottle cannot be sealed.

Le document WO-A-90/11.938 décrit un flacon ayant un col qui présente un filetage extérieur et qui, donc, n'est pas lisse.Document WO-A-90 / 11.938 describes a bottle having a neck which has an external thread and which, therefore, is not smooth.

De plus, ce col est solidaire d'une patte extérieure radiale portant un bouchon à vis qui ne peut visiblement être mis en position d'obturation qu'en coiffant le col extérieurement, par son pas de vis.In addition, this neck is secured to a radial outer tab carrying a screw cap which can visibly be placed in the closed position only by covering the collar externally, by its pitch.

Parce que ce col n'est pas lisse et parce que le bouchage se fait par simple vissage, il est impossible de garantir l'étanchéité du bouchage.Because this neck is not smooth and because the closure is done by simple screwing, it is impossible to guarantee the sealing of the closure.

Le document WO-A-89/07.555 décrit un contenant qui présente initialement un orifice sans col, devant recevoir différents types de bouchons indépendants (c'est-à-dire non solidaires du contenant), certains d'entre eux nécessitant une partie femelle rapportée que l'on ne peut pas assimiler à un véritable col.Document WO-A-89 / 07.555 describes a container which initially has a neckless orifice, which must receive different types of independent caps (that is to say not integral with the container), some of them requiring a female part. reported that we can not assimilate to a real collar.

Le document FR-A-2.314.877 décrit un contenant qui ne présente pas de col et qui ne peut être ouvert et fermé successivement puisqu'il prévoit que l'ouverture se fait par déchirure définitive d'un appendice creux communiquant avec l'intérieur du contenant.Document FR-A-2,314,877 describes a container which does not have a neck and which cannot be opened and closed successively since it provides for the opening to be made by definitive tearing of a hollow appendage communicating with the interior of the container.

Le document US-A-3 297 208 décrit un contenant traversé par un orifice intérieur à un col en saillie, à parois intérieure et extérieure lisses, solidaire d'un obturateur à usage répétitif qui est situé sur une patte articulée audit contenant, et non au col, et qui présente une partie cylindrique insérable dans le col.Document US-A-3,297,208 describes a container traversed by an interior orifice with a protruding neck, with smooth interior and exterior walls, integral with a shutter for repetitive use which is located on a leg articulated with said container, and not at the neck, and which has a cylindrical part which can be inserted into the neck.

Le but de l'invention est de fournir un contenant présentant un orifice petit par rapport au corps dudit contenant, originairement scellé pour garantir que le contenu est intact, associé à un obturateur à usage répétitif avec une étanchéité excellente.The object of the invention is to provide a container having a small orifice relative to the body of said container, originally sealed to guarantee that the content is intact, associated with a shutter for repetitive use with an excellent seal.

A cette fin, l'invention a pour objet un contenant traversé par un orifice intérieur à un col en saillie, à parois intérieure et extérieure lisses, solidaire d'un obturateur à usage répétitif qui est situé sur une patte articulée audit contenant, et non au col, et qui présente une partie cylindrique insérable dans le col, caractérisé en ce que le col est continuement cylindrique, réalisé en une matière flexible, et isolé, c'est-à-dire qu'il fait saillie loin de tout autre relief, la partie cylindrique insérable dans le col, ayant une hauteur au moins égale à celle dudit col, la paroi intérieure, au moins, du col et la paroi extérieure, au moins, de la partie cylindrique étant en matière synthétique.To this end, the subject of the invention is a container crossed by an interior orifice with a protruding neck, with smooth interior and exterior walls, secured to a shutter for repetitive use which is located on a leg articulated to said container, and not at the neck, and which has a cylindrical part which can be inserted into the neck, characterized in that the neck is continuously cylindrical, made of a flexible material, and insulated, that is to say that it projects away from any other relief, the cylindrical part insertable into the neck, having a height at least equal to that of said neck, the inner wall, at least, of the neck and the outer wall, at least, of the cylindrical part being made of synthetic material.

Selon d'autres caractéristiques de ce contenant :

  • l'obturateur présente sur tout son pourtour, une gorge destinée à coiffer le col lisse en saillie sur le pourtour de l'orifice, ledit col devant avantageusement, en position d'obturation, être en butée au fond de ladite gorge;
  • la largeur de la gorge est légèrement inférieure à l'épaisseur du col;
  • le contenant étant réalisé en matière synthétique, la patte articulée et l'obturateur forment une seule pièce avec ledit contenant, dans une zone distincte du col;
  • le contenant est constitué d'un corps et d'un opercule distinct, ce dernier étant traversé par ledit orifice et comprenant la patte articulée munie de l'obturateur pour ledit orifice;
  • l'opercule étant réalisé à partir d'un film en matière synthétique, la patte articulée et l'obturateur forment une seule pièce avec ledit film;
  • le contenant comprend un corps formé de deux parties concaves se faisant face;
  • le contenant comprend un corps formé d'une partie plane et d'une partie concave;
  • le contenant comprend un corps présentant au moins une partie plane destinée à constituer une embase par laquelle ledit contenant peut être posé en équilibre stable;
  • la patte articulée est munie de moyens de liaison audit contenant destinés à être annihilés par cassure lors de la première ouverture de l'obturateur dudit contenant;
  • le contenant étant formé à partir d'un film en matière synthétique en une seule pièce, et comprenant au moins une partie extérieure en carton ou autre matériau analogue, la patte articulée est constituée par une partie dudit film;
  • le contenant étant formé de deux parties indépendantes en carton ou autre matériau analogue solidarisées par un film en matière synthétique appliqué, en une seule pièce, sur toute la surface intérieure desdites parties et sur l'intervalle les séparant pour former une charnière entre elles, la patte articulée est constituée par une partie dudit film;
  • l'une des parties en carton ou autre matériau analogue présente un passage pour le col en matière synthétique;
  • chacune des parties en carton ou autre matériau analogue présente une partie plane dans la zone de la charnière, destinées à constituer, ensemble, une embase par laquelle le contenant peut être posé en équilibre stable.
According to other characteristics of this container:
  • the shutter has on its entire periphery, a groove intended to cover the smooth neck projecting from the periphery of the orifice, said neck advantageously having, in the closed position, to be in abutment at the bottom of said groove;
  • the width of the throat is slightly less than the thickness of the neck;
  • the container being made of synthetic material, the articulated tab and the shutter form a single piece with said container, in a zone separate from the neck;
  • the container consists of a body and a separate cover, the latter being traversed by said orifice and comprising the articulated tab provided with the shutter for said orifice;
  • the cover being produced from a plastic film, the articulated tab and the shutter form a single piece with said film;
  • the container comprises a body formed by two concave parts facing each other;
  • the container comprises a body formed by a flat part and a concave part;
  • the container comprises a body having at least one flat part intended to constitute a base by which said container can be placed in stable equilibrium;
  • the articulated leg is provided with means for connecting to said container intended to be annihilated by breakage during the first opening of the shutter of said container;
  • the container being formed from a plastic film in one piece, and comprising at least one outer part of cardboard or other similar material, the articulated tab is formed by a part of said film;
  • the container being formed of two parts independent of cardboard or other similar material secured by a film of synthetic material applied, in one piece, over the entire inner surface of said parts and over the interval separating them to form a hinge between them, the articulated tab is constituted by a part of said film;
  • one of the parts of cardboard or other similar material has a passage for the neck made of synthetic material;
  • each of the parts made of cardboard or other similar material has a flat part in the area of the hinge, intended to constitute, together, a base by which the container can be placed in stable equilibrium.

L'invention a également pour objet un procédé pour l'obtention d'un contenant traversé par un orifice intérieur à un col en saillie et solidaire d'un obturateur à usage répétitif situé sur une patte articulée audit contenant caractérisé en ce qu'il consiste à :

  • * réaliser ledit contenant par thermoformage d'un film en matière synthétique,
  • * réaliser un patte articulée solidaire dudit contenant, dans une zone distincte du col,
  • * réaliser sur ladite patte articulée un obturateur présentant une partie cylindrique insérable dans le col,
  • * percer un avant-trou dans ledit contenant,
  • * former simultanément l'orifice par calibrage de l'avant-trou et un col lisse intérieurement et extérieurement, en saillie sur tout le pourtour dudit orifice, ledit col ayant une hauteur au moins égale à celle de la partie cylindrique de l'obturateur.
The subject of the invention is also a method for obtaining a container traversed by an internal orifice with a protruding neck and secured to a shutter for repetitive use situated on a tab articulated to said container, characterized in that it consists at :
  • * make said container by thermoforming a film of synthetic material,
  • * make an articulated leg integral with said container, in a zone separate from the neck,
  • * producing a shutter on said articulated tab having a cylindrical part which can be inserted into the neck,
  • * drill a pilot hole in said container,
  • * Simultaneously form the orifice by calibrating the pilot hole and a smooth neck internally and externally, projecting around the entire periphery of said orifice, said neck having a height at least equal to that of the cylindrical part of the shutter.

Selon d'autres caractéristiques de ce procédé :

  • le contenant étant formé d'au moins deux parties se faisant face, on réalise l'orifice entièrement sur une partie dudit contenant et la patte articulée entièrement sur une autre partie constitutive, et non partiellement sur l'une de ces parties et partiellement sur l'autre;
  • le contenant étant formé d'au moins deux parties se faisant face, on réalise l'orifice et la patte articulée sur une même partie constitutive dudit contenant et non partiellement sur l'une de ces parties et partiellement sur l'autre;
  • le contenant présentant au moins une partie plane on pratique l'orifice entièrement dans ladite partie plane;
  • on réalise l'orifice au moyen d'un poinçon chauffant calibré, engagé dans l'avant-trou;
  • on réalise une gorge sur tout le pourtour de l'obturateur, ladite gorge étant destinée à coiffer le col lisse en saillie sur l'orifice;
  • on prévoit une gorge de largeur légèrement inférieure à l'épaisseur du col;
  • la patte pliante et l'obturateur sont venus de formage avec le contenant;
  • pour former le contenant :
    • * on réalise le corps dudit contenant,
    • * on réalise un opercule distinct dudit corps, par thermoformage d'un film en matière synthétique,
    • * on solidarise ledit opercule au corps dans une zone distincte du col lisse,
    • * on réalise la patte articulée et l'obturateur dans une partie dudit film,
    • * on perce l'avant-trou dans ledit opercule;
  • on prévoit au moins une partie plane sur le contenant, destinée à constituer une embase par laquelle on peut le poser en équilibre stable;
  • on prévoit des moyens de liaison entre la patte articulée et le contenant, lesdits moyens de liaison étant destinés à être annihilés par cassure lors de la première ouverture de l'obturateur;
  • pour former le contenant, on applique par thermoformage un film en matière synthétique sur au moins un élément en carton ou autre matériau analogue et on réalise la patte articulée venue de formage avec ledit film;
  • pour former le contenant :
    • * on juxtapose deux éléments en carton ou autre matériau analogue,
    • * on solidarise lesdits éléments par thermoformage d'un film en matière synthétique sur toute la surface intérieure desdits éléments et sur l'intervalle subsistant entre eux pour constituer une charnière,
    • * on réalise la patte articulée et l'obturateur dans une partie dudit film;
  • on laisse dépasser le film en matière synthétique à la périphérie du contenant, sauf au niveau de la charnière, pour constituer des marges destinées à être assemblées deux à deux par thermosoudure ou analogue;
  • on pratique une ouverture dans l'un des éléments en carton ou autre matériau analogue et on réalise dans le film, au travers de ladite ouverture, l'orifice muni d'un col lisse sur tout son pourtour;
  • on prévoit sur chacune des parties en carton ou autre matériau analogue, une partie plane dans la zone de la charnière destinées à constituer, ensemble, une embase par laquelle on peut poser le contenant en équilibre stable.
According to other characteristics of this process:
  • the container being formed from at least two parts facing each other, the orifice is produced entirely on a part of said container and the tab articulated entirely on another constituent part, and not partially on one of these parts and partially on the 'other;
  • the container being formed from at least two parts facing each other, the orifice and the articulated tab are produced on the same constituent part of said container and not partially on one of these parts and partially on the other;
  • the container having at least one flat part, the orifice is made entirely in said flat part;
  • the orifice is produced by means of a calibrated heating punch, engaged in the pilot hole;
  • a groove is produced around the entire periphery of the shutter, said groove being intended to cover the smooth neck projecting from the orifice;
  • a groove with a width slightly less than the thickness of the neck is provided;
  • the folding tab and the shutter came from forming with the container;
  • to form the container:
    • * the body of said container is produced,
    • * a separate cover is made of said body, by thermoforming a film of synthetic material,
    • * said lid is secured to the body in a region separate from the smooth neck,
    • * the articulated leg and the shutter are produced in part of said film,
    • * the pilot hole is drilled in said cover;
  • at least one flat part is provided on the container, intended to constitute a base by which it can be placed in stable equilibrium;
  • connecting means are provided between the articulated leg and the container, said connecting means being intended to be annihilated by breakage during the first opening of the shutter;
  • to form the container, a film of synthetic material is applied by thermoforming to at least one element of cardboard or other similar material and the articulated tab formed from said film is produced;
  • to form the container:
    • * two elements made of cardboard or other similar material are juxtaposed,
    • * said elements are joined by thermoforming a film of synthetic material over the entire inner surface of said elements and over the interval remaining between them to constitute a hinge,
    • * the articulated leg and the shutter are produced in a part of said film;
  • the plastic film is allowed to protrude at the periphery of the container, except at the hinge, to form margins intended to be assembled two by two by heat sealing or the like;
  • an opening is made in one of the elements of cardboard or other similar material and the hole is provided in the film, through said opening, provided with a smooth neck around its entire periphery;
  • there is provided on each of the parts made of cardboard or other similar material, a flat part in the region of the hinge intended to constitute, together, a base by which the container can be placed in stable equilibrium.

L'invention sera mieux comprise par la description détaillée ci-après. Bien entendu, la description et le dessin ne sont donnés qu'à titre indicatif et non limitatif.

  • la figure 1 est une vue schématique en coupe d'un contenant selon l'invention, montrant ledit contenant après thermoformage dans son moule de fabrication et avant la réalisation de l'orifice de remplissage et de vidage;
  • les figures 2a, 2b et 2c sont des vues schématiques partielles agrandies d'un contenant selon l'invention, montrant les différentes étapes de réalisation de l'orifice de remplissage et de vidage;
  • la figure 3 est une vue schématique en perspective du contenant de la figure 1 muni d'un orifice de remplissage et de vidage, montrant ledit contenant avant assemblage du corps;
  • la figure 4 est une vue schématique en coupe du contenant de la figure 3 après formation du corps, montrant ledit contenant en position d'ouverture;
  • la figure 5 est une vue schématique en coupe du contenant de la figure 4 en position d'obturation;
  • la figure 6 est une vue schématique partielle en coupe faite selon la ligne VI-VI de la figure 5 et montrant des moyens de liaison rendant solidaires, avant usage, la patte articulée et le contenant à des fins de garantie;
  • la figure 7 est une vue schématique partielle en coupe montrant les moyens de liaison de la figure 6 après la première ouverture de l'orifice;
  • la figure 8 est une vue schématique en coupe d'une autre forme de réalisation d'un contenant selon l'invention, montrant ledit contenant après thermoformage dans son moule de fabrication et avant la réalisation de l'orifice de remplissage et de vidage;
  • la figure 9 est une vue schématique de détail de la zone de la patte articulée du contenant de la figure 8, montrant le film synthétique avant thermoformage;
  • la figure 10 est une vue schématique en perspective du contenant de la figure 8 muni d'un orifice de remplissage et de vidage, montrant ledit contenant avant assemblage du corps;
  • la figure 11 est une vue schématique en coupe du contenant de la figure 10 après formation du corps, montrant ledit contenant en position d'ouverture;
  • la figure 12 est une vue schématique de détail de la zone d'obturation du contenant de la figure 11, montrant le positionnement de l'obturateur et de l'orifice de remplissage et de vidage avant obturation;
  • la figure 13 est une vue schématique en coupe du contenant de la figure 11, montrant le contenant en position d'obturation;
  • la figure 14 est une vue schématique de détail de la zone d'obturation du contenant de la figure 13, montrant le positionnement de l'obturateur et de l'orifice de remplissage et de vidage en position d'obturation;
  • les figures 15 à 18 sont des vues schématiques en coupe illustrant d'autres formes de réalisation du contenant selon l'invention;
  • la figure 19 est une vue schématique en coupe d'une variante de réalisation de l'invention, montrant un contenant formé d'un corps et d'un opercule qui est fixé audit corps et qui comporte un orifice et un obturateur;
  • la figure 20 est une vue schématique en coupe d'un contenant selon l'invention présentant des coques extérieures en carton, montrant ledit contenant après thermoformage dans son moule de fabrication et avant la réalisation de l'orifice de remplissage et de vidage;
  • la figure 21 est une vue schématique en coupe du contenant de la figure 20 muni d'un orifice de remplissage et de vidage, montrant ledit contenant en position d'ouverture;
  • la figure 22 est une vue schématique en coupe du contenant de la figure 21 en position d'obturation.
The invention will be better understood from the detailed description below. Of course, the description and the drawing are given for information only and are not limitative.
  • Figure 1 is a schematic sectional view of a container according to the invention, showing said container after thermoforming in its manufacturing mold and before making the filling and emptying orifice;
  • Figures 2 a , 2 b and 2 c are enlarged partial schematic views of a container according to the invention, showing the different stages of production of the filling and emptying orifice;
  • Figure 3 is a schematic perspective view of the container of Figure 1 provided with a filling and emptying orifice, showing said container before assembly of the body;
  • Figure 4 is a schematic sectional view of the container of Figure 3 after forming the body, showing said container in the open position;
  • Figure 5 is a schematic sectional view of the container of Figure 4 in the closed position;
  • Figure 6 is a partial schematic sectional view taken along line VI-VI of Figure 5 and showing connecting means making integral, before use, the articulated leg and the container for warranty purposes;
  • Figure 7 is a partial schematic sectional view showing the connecting means of Figure 6 after the first opening of the orifice;
  • Figure 8 is a schematic sectional view of another embodiment of a container according to the invention, showing said container after thermoforming in its manufacturing mold and before making the filling and emptying orifice;
  • Figure 9 is a schematic detail view of the area of the hinged leg of the container of Figure 8, showing the synthetic film before thermoforming;
  • Figure 10 is a schematic perspective view of the container of Figure 8 provided with a filling and emptying orifice, showing said container before assembly of the body;
  • Figure 11 is a schematic sectional view of the container of Figure 10 after forming the body, showing said container in the open position;
  • Figure 12 is a schematic detail view of the closure zone of the container of Figure 11, showing the positioning of the shutter and the filling and emptying orifice before closing;
  • Figure 13 is a schematic sectional view of the container of Figure 11, showing the container in the closed position;
  • Figure 14 is a schematic detail view of the closure zone of the container of Figure 13, showing the positioning of the shutter and the filling and emptying orifice in the closed position;
  • Figures 15 to 18 are schematic sectional views illustrating other embodiments of the container according to the invention;
  • Figure 19 is a schematic sectional view of an alternative embodiment of the invention, showing a container formed of a body and a cover which is fixed to said body and which comprises an orifice and a shutter;
  • Figure 20 is a schematic sectional view of a container according to the invention having outer cardboard shells, showing said container after thermoforming in its manufacturing mold and before the completion of the filling and emptying orifice;
  • Figure 21 is a schematic sectional view of the container of Figure 20 provided with a filling and emptying orifice, showing said container in the open position;
  • Figure 22 is a schematic sectional view of the container of Figure 21 in the closed position.

Les figures 1 à 5 illustrent un premier mode de réalisation d'un contenant selon l'invention ainsi que les différentes étapes permettant d'obtenir ledit contenant.Figures 1 to 5 illustrate a first embodiment of a container according to the invention as well as the different steps for obtaining said container.

Selon ce mode de réalisation, un contenant 1 est réalisé en une seule pièce, à partir d'un film en matière synthétique 2 par thermoformage dans un moule 4 muni de canaux d'aspiration 6, comme schématisé sur la figure 1.According to this embodiment, a container 1 is produced in one piece, from a plastic film 2 by thermoforming in a mold 4 provided with suction channels 6, as shown diagrammatically in FIG. 1.

Aussi, dans une première étape, on réalise tout d'abord le corps 10 du contenant 1 en formant deux parties concaves 12 et 14 ainsi qu'une patte articulée 16 venue de formage de la partie 12 et munie d'un obturateur 18. Les deux parties concaves 12 et 14 sont réunies par l'un de leurs bords et le film en matière synthétique constitue, dans cette zone, une charnière 15.Also, in a first step, the body 10 of the container 1 is first produced by forming two concave parts 12 and 14 as well as an articulated tab 16 formed from the part 12 and provided with a shutter 18. The two concave parts 12 and 14 are joined by one of their edges and the film of synthetic material constitutes, in this area, a hinge 15.

L'obturateur 18 comprend une partie cylindrique 30 et une extrémité tronconique 32, la partie cylindrique 30 contribuant à l'étanchéité de l'obturation comme explicité ci-après.The shutter 18 comprises a cylindrical part 30 and a frustoconical end 32, the cylindrical part 30 contributing to the sealing of the shutter as explained below.

Puis, dans une étape subséquente au démoulage, on réalise sur le corps 10 un orifice de remplissage et de vidage 20 dans une zone distincte des bords des parties concaves qui forment des reliefs. Pour ce faire et comme cela est illustré sur la figure 2a, on perce un avant-trou 22 dans la face 14a de la partie 14 du corps, dans une zone faisant face à l'obturateur 18 après rabattement de la patte articulée 16 vers la partie 14. La surface choisie est avantageusement plane.Then, in a step subsequent to demolding, a filling and emptying orifice 20 is produced on the body 10 in a zone distinct from the edges of the concave parts which form reliefs. To do this and as illustrated in FIG. 2 a , a pilot hole 22 is drilled in the face 14 a of the part 14 of the body, in an area facing the shutter 18 after the hinged leg 16 has been folded down. towards part 14. The chosen surface is advantageously flat.

On forme ensuite l'orifice proprement dit par passage d'un poinçon chauffant 24 dans l'avant-trou 22, comme schématisé sur la figure 2b. Le poinçon chauffant 24 est calibré au diamètre intérieur que doit avoir finalement l'orifice 20.The actual orifice is then formed by passing a heating punch 24 through the pilot hole 22, as shown diagrammatically in FIG. 2 b . The heating punch 24 is calibrated to the internal diameter which the orifice 20 must ultimately have.

Compte tenu des propriétés thermoplastiques du film 2, les bords dudit film 2 se déforment selon le passage du poinçon 24 pour créer, simultanément à l'orifice 20, un col 26 qui est continuement lisse intérieurement et extérieurement (figure 2).Given the thermoplastic properties of film 2, the edges of said film 2 are deformed according to the passage of the punch 24 to create, simultaneously with the orifice 20, a neck 26 which is continuously smooth internally and externally (Figure 2).

La figure 3 montre la pièce issue du procédé décrit ci-dessus. Dans le cas présent, des marges 28 ont été prévues sur les bords de chacune des parties 12 et 14, lors de l'étape de thermoformage. Pour constituer le corps 10 du contenant 1, on assemble les deux parties 12 et 14 selon la flêche F1 et on solidarise les marges 28 deux à deux, par exemple par thermosoudure, les parties 12 et 14 se faisant face par leur concavité. On note que le col lisse 26 est situé loin des marges 28 et, en particulier, qu'il n'est pas créé partiellement sur la partie 12 et partiellement sur la partie 14, afin qu'il ne soit pas traversé par le plan de joint des marges 28.Figure 3 shows the part from the process described above. In the present case, margins 28 have been provided on the edges of each of the parts 12 and 14, during the thermoforming step. To constitute the body 10 of the container 1, the two parts 12 and 14 are assembled according to the arrow F1 and the margins 28 are joined in pairs, for example by heat sealing, the parts 12 and 14 facing each other by their concavity. It is noted that the smooth neck 26 is located far from the margins 28 and, in particular, that it is not created partially on the part 12 and partially on the part 14, so that it is not crossed by the plane of seal margins 28.

Selon la demande et le type de produit que l'on souhaite conditionner, le produit est introduit dans le contenant soit avant solidarisation des parties 12 et 14, soit après solidarisation de ces parties, par l'orifice 20.Depending on the request and the type of product that it is desired to package, the product is introduced into the container either before the parts 12 and 14 are joined, or after these parts are joined, by the orifice 20.

Les figures 4 et 5 montrent le contenant 1 respectivement en position d'ouverture et en position d'obturation. On voit que pour obturer l'orifice de remplissage et de vidage 20, on rabat la patte articulée 16 solidaire de la partie 12, vers la partie 14 selon la flêche F2. On introduit ensuite l'extrémité tronconique 32 de l'obturateur 18 dans l'orifice 20 et on exerce une pression sur celui-ci pour l'enfoncer jusqu'à ce que la partie cylindrique 30 vienne au contact du col lisse 26.Figures 4 and 5 show the container 1 respectively in the open position and the closed position. It can be seen that in order to close the filling and emptying orifice 20, the articulated tab 16 secured to the part 12 is folded down, towards the part 14 according to the arrow F2. The frusto-conical end 32 of the obturator 18 is then introduced into the orifice 20 and pressure is exerted on it to push it in until the cylindrical part 30 comes into contact with the smooth neck 26.

L'obturation ainsi obtenue est tout-à-fait étanche grâce d'une part à la présence de la partie cylindrique 30 de l'obturateur 18 dont la hauteur h1 est au moins égale à la hauteur h1' du col lisse 26. En outre, le diamètre extérieur d1 de la partie cylindrique 30 est sensiblement égal au diamètre intérieur d2 du col lisse 26 et d'autre part, grâce au contact matière synthétique contre matière synthétique que l'on crée entre ladite partie cylindrique 30 et le col 26.The obturation thus obtained is completely sealed thanks on the one hand to the presence of the cylindrical part 30 of the obturator 18 whose height h 1 is at least equal to the height h 1 'of the smooth neck 26. In addition, the outside diameter d 1 of the cylindrical part 30 is substantially equal to the inside diameter d 2 of the smooth neck 26 and on the other hand, thanks to the contact between synthetic material and synthetic material that is created between said cylindrical part 30 and col 26.

D'une manière réciproque, pour ouvrir le contenant, l'utilisateur soulève la patte articulée 16 dans le sens de la flêche F3 pour extraire l'obturateur 18 de l'orifice 20.Conversely, to open the container, the user raises the articulated tab 16 in the direction of the arrow F3 to extract the shutter 18 from the orifice 20.

Selon l'invention, le consommateur peut prélever par petites quantités le produit dans le contenant et refermer ce dernier avec une excellente étanchéité à chaque fois.According to the invention, the consumer can take the product in small quantities from the container and close the latter with an excellent seal each time.

On peut aussi prévoir une bande de garantie initialement placée sur l'obturateur 18 ou un véritable scellage de celui-ci, afin que l'usager, au moment de l'achat, puisse constater si le contenu est intact ou non.One can also provide a guarantee strip initially placed on the shutter 18 or a real seal thereof, so that the user, at the time of purchase, can see whether the content is intact or not.

On appelle scellage, une opération qui garantit que le contenant n'a pas déjà été ouvert.Sealing is called an operation which ensures that the container has not already been opened.

Ici, on peut donner cette garantie par des moyens de liaison rendant initialement la patte articulée 16 munie de l'obturateur 18 solidaire du corps 10 du contenant 1, ces moyens de liaison étant ensuite annihilés lors de la première ouverture de l'orifice 20, comme décrit en référence aux figures 6 et 7.Here, this guarantee can be given by connection means initially making the articulated lug 16 provided with the shutter 18 integral with the body 10 of the container 1, these connection means then being annihilated during the first opening of the orifice 20, as described with reference to Figures 6 and 7.

Comme on peut le voir sur la figure 6, on rend l'extrémité libre 16a de la patte articulée 16 solidaire de la face 14a du corps 10 dans laquelle on a déjà pratiqué l'orifice 20, loin de celui-ci et du col lisse 26. Pour ce faire, on crée au moins un point de soudure 40 qui provoque une déformation vers l'intérieur du contenant 1 par rapport à la face 14a, en appliquant de manière localisée et relativement rapide, une source de chaleur suffisante, compte tenu des caractéristiques de la matière constitutive du contenant. Cette opération, réalisée après remplissage et obturation du contenant avec l'obturateur 18, fixe l'extrémité 16a à la face 14a.As can be seen in FIG. 6, the free end 16 a of the articulated lug 16 is made integral with the face 14 a of the body 10 in which the orifice 20 has already been made, far from it and from the smooth neck 26. To do this, at least one welding point 40 is created which causes a deformation towards the interior of the container 1 relative to the face 14 a , by applying in a localized and relatively rapid manner, a sufficient heat source. , taking into account the characteristics of the material of the container. This operation, carried out after filling and closing the container with the shutter 18, fixes the end 16 a to the face 14 a .

Compte tenu des caractéristiques du film à partir duquel est réalisé le contenant, lorsque le consommateur ouvre l'orifice 20 pour la première fois (en exerçant sur la patte articulée 16, un mouvement selon la flêche F3), la patte 16 se casse autour de chaque point de soudure 40 qui subsiste sur la face 14a, comme le illustré sur la figure 7. Il en résulte un trou 42 dans l'extrémité libre 16a de la patte articulée 16.Given the characteristics of the film from which the container is made, when the consumer opens the orifice 20 for the first time (by exerting on the articulated tab 16, a movement according to the arrow F3), the tab 16 breaks around each weld spot 40 which remains on the face 14 a , as illustrated in FIG. 7. This results in a hole 42 in the free end 16 a of the articulated tab 16.

Ainsi, la présence d'un trou 42 dans la patte articulée 16 et l'absence de cassure lors du soulèvement de l'extrémité 16a permettent de constater que l'obturateur 18 a déjà été retiré de l'orifice 20 et que le contenu a donc pu subir des dommages ou avoir déjà été prélevé.Thus, the presence of a hole 42 in the articulated lug 16 and the absence of breakage during the lifting of the end 16 a make it possible to note that the shutter 18 has already been removed from the orifice 20 and that the content may therefore have suffered damage or have already been removed.

Il faut noter que le scellage ne sert ici qu'à l'inviolabilité et ne participe en rien au bouchage initial du contenant comme aux bouchages ultérieurs. Ceci est donc tout-à-fait différent de certains contenants connus qui ne sont étanches que par le scellage, ce qui a pour conséquence que l'étanchéité disparaît dès la première ouverture.It should be noted that the sealing is used here only for inviolability and does not participate in any way in the initial closure of the container as in subsequent closings. This is therefore entirely different from certain known containers which are only leaktight by sealing, which means that the seal disappears as soon as it is opened for the first time.

Par ailleurs, on peut remarquer sur les figures 4 et 5, que la forme des parties constitutives 12 et 14 choisie dans l'exemple donné ici, est particulièrement avantageuse. En effet, celles-ci présentent des parties planes 12b et 14b, dans la zone de la charnière 15, qui constituent ensemble une embase permettant de poser le contenant 1 en équilibre stable.Furthermore, it can be noted in FIGS. 4 and 5 that the shape of the constituent parts 12 and 14 chosen in the example given here is particularly advantageous. Indeed, these have flat parts 12 b and 14 b , in the region of the hinge 15, which together constitute a base making it possible to place the container 1 in stable equilibrium.

Dans l'exemple qui vient d'être décrit, la patte articulée 16 munie de l'obturateur 18 et l'orifice de remplissage et de vidage 20, se situent sur des parties constitutives 12 et 14 différentes du corps 10, et non partiellement sur les deux parties 12 et 14.In the example which has just been described, the articulated tab 16 provided with the shutter 18 and the filling and emptying orifice 20, are located on constituent parts 12 and 14 different from the body 10, and not partially on the two parts 12 and 14.

Cependant, selon une forme de réalisation avantageuse de l'invention, décrite ci-après, on peut prévoir que la patte articulée et l'orifice se trouvent sur la même partie consitutive du corps du contenant, dès lors que l'orifice et son col, au moins, ne se trouvent pas partiellement sur deux parties à la fois, traversés par le plan de joint car cette disposition s'opposerait à l'obtention d'une bonne étanchéité des obturations successives.However, according to an advantageous embodiment of the invention, described below, provision can be made for the articulated lug and the orifice to be on the same constitutive part of the body of the container, since the orifice and its neck , at least, are not partially on two parts at the same time, crossed by the parting line because this arrangement would be opposed to obtaining a good seal of the successive obturations.

Aussi, en se référant aux figures 8 et 9, on voit que l'on forme un contenant 50 à partir d'un film synthétique 52 par thermoformage dans un moule 54 possèdant une pluralité de canaux d'aspiration 56.Also, with reference to FIGS. 8 and 9, it can be seen that a container 50 is formed from a synthetic film 52 by thermoforming in a mold 54 having a plurality of suction channels 56.

Le corps 60 du contenant 50 est formé de deux parties concaves 62 et 64 réunies par l'un de leurs bords et le film 52 constitue, dans cette zone, une charnière 65.The body 60 of the container 50 is formed by two concave parts 62 and 64 joined by one of their edges and the film 52 constitutes, in this zone, a hinge 65.

On réalise également avec le corps 60, une patte articulée 66 venue de formage de la partie 64 et munie d'un obturateur 68.There is also produced with the body 60, an articulated lug 66 coming from the forming of the part 64 and provided with a shutter 68.

La figure 9 montre plus précisément la position du film 52 avant thermoformage et la structure du moule 54 dans la zone de l'obturateur. Grâce à la présence de l'anneau 58, on obtient, après l'opération de thermoformage, un obturateur 68 présentant d'une part, une gorge 80 définissant une partie cylindrique 82 et d'autre part, un fond 84, comme on peut le voir plus en détails sur la figure 12.FIG. 9 shows more precisely the position of the film 52 before thermoforming and the structure of the mold 54 in the area of the shutter. Thanks to the presence of the ring 58, there is obtained, after the thermoforming operation, a shutter 68 having on the one hand, a groove 80 defining a cylindrical part 82 and on the other hand, a bottom 84, as can be see it in more detail in Figure 12.

Après démoulage, on pratique un orifice de remplissage et de vidage 70 dans la surface 64a de la partie 64 de manière qu'il se trouve en face de l'obturateur 68 lorsque la patte articulée 66 est rabattue vers la partie 64. On peut remarquer que, comme pour la première forme de réalisation décrite précédemment, on choisit avantageusement une surface plane pour pratiquer l'orifice 70, dans une zone distincte du plan de joint.After demoulding, practice a filling orifice and dump 70 in the surface 64 a of the portion 64 so that it lies opposite the shutter 68 when the hinged lug 66 is folded towards the part 64. It can note that, as for the first embodiment described above, it is advantageous to choose a flat surface for practicing the orifice 70, in a zone distinct from the joint plane.

L'orifice 70 est réalisé d'une manière analogue au schéma des figures 2a, 2b et 2c pour l'orifice 20, c'est-à-dire, en faisant tout d'abord un avant-trou de petit diamètre puis en le calibrant et en formant simultanément un col lisse 76 par passage d'un poinçon chauffant au travers de cet avant-trou.The orifice 70 is produced in a manner analogous to the diagram of FIGS. 2 a , 2 b and 2 c for the orifice 20, that is to say, by first making a pilot hole of small diameter then by calibrating it and simultaneously forming a smooth neck 76 by passing a heating punch through this pilot hole.

La figure 8 montre la pièce obtenue à l'issue des étapes précitées. Des marges 78 ont été prévues lors du thermoformage, sur chacun des côtés des parties 62 et 64, sauf bien entendu, au niveau de la charnière 65. Les parties 62 et 64 sont réunies selon la flêche F4 et les marges 78 sont solidarisées deux à deux, par exemple par thermosoudure, pour constituer le corps 60 du contenant 50. On obtient ainsi un contenant tel que représenté sur les figures 11 et 13.Figure 8 shows the part obtained at the end of the above steps. Margins 78 have been provided during thermoforming, on each of the sides of parts 62 and 64, except of course, at the level of hinge 65. Parts 62 and 64 are joined together according to arrow F4 and margins 78 are joined two to two, for example by heat sealing, to form the body 60 of the container 50. A container is thus obtained as shown in FIGS. 11 and 13.

Pour obturer l'orifice de remplissage et de vidage 70, on rabat la patte articulée 66 vers la partie 64 du corps 60 du contenant 50, dans le sens de la flêche F5, et on introduit la partie 82-84 de l'obturateur 68 dans ledit orifice 70.To close the filling and emptying orifice 70, the articulated tab 66 is folded towards the part 64 of the body 60 of the container 50, in the direction of the arrow F5, and the part 82-84 of the shutter 68 is introduced. in said orifice 70.

Si l'on se réfère à la figure 12, on voit que la forme et les dimensions de l'obturateur 68 sont déterminées en fonction de l'orifice 70 afin que l'obturateur 68 vienne coiffer le col lisse 76 pour assurer une étanchéité correcte.Referring to FIG. 12, it can be seen that the shape and dimensions of the shutter 68 are determined as a function of the orifice 70 so that the shutter 68 comes to cover the smooth neck 76 to ensure correct sealing. .

En effet, la hauteur h2 de la partie cylindrique 82 définie par la gorge 80 est sensiblement égale à la hauteur h2' du col lisse 76.Indeed, the height h 2 of the cylindrical part 82 defined by the groove 80 is substantially equal to the height h 2 'of the smooth neck 76.

En outre, pour obtenir l'étanchéité recherchée, la largeur l de la gorge 80 est prévue légèrement inférieure à l'épaisseur e du film 52 formant le col 76.In addition, to obtain the desired seal, the width l of the groove 80 is provided slightly less than the thickness e of the film 52 forming the neck 76.

Enfin, la partie 82-84 de l'obturateur 68 destinée à pénétrer dans l'orifice de remplissage et de vidage 70 présente une forme légèrement tronconique et le diamètre extérieur d3 du fond 84 est sensiblement égal au diamètre intérieur d4 du col 76. L'ajustement des diamètres d3 et d4 permet de faciliter l'entrée de l'obturateur 68 dans le col 76. Puis, au fur et à mesure de sa progression, l'obturateur 68 exerce sur le col 76 une poussée vers l'extérieur de l'orifice 70 qui, compte tenu en outre des propriétés élastiques du film 52, se déforme radialement.Finally, the part 82-84 of the shutter 68 intended to enter the filling and emptying orifice 70 has a slightly frustoconical shape and the outside diameter d 3 of the bottom 84 is substantially equal to the inside diameter d 4 of the neck 76 The adjustment of the diameters d 3 and d 4 facilitates the entry of the shutter 68 into the neck 76. Then, as it progresses, the shutter 68 exerts on the neck 76 a push towards the exterior of the orifice 70 which, taking into account, in addition, the elastic properties of the film 52, deforms radially.

La position d'obturation est détaillée sur la figure 14 et l'on voit que le col 76 vient en butée dans le fond de la gorge 80. On a ici, un enfoncement à force du col lisse 76 dans la gorge 80 puisque l'épaisseur e du film est légèrement supérieure à la largeur l de la gorge 80, ce qui conduit à une très bonne étanchéité. L'enfoncement du col 76 dans la gorge 80 est possible grâce au fait que ce col 76 est lisse intérieurement et extérieurement, ce qui lui permet de glisser contre les deux faces en regard de la gorge 80.The closed position is detailed in FIG. 14 and it can be seen that the neck 76 abuts in the bottom of the groove 80. In this case, the smooth neck 76 is forced into the groove 80 since the thickness e of the film is slightly greater than the width l of the groove 80, which leads to a very good seal. The insertion of the neck 76 into the groove 80 is possible thanks to the fact that this neck 76 is smooth internally and externally, which allows it to slide against the two opposite faces of the groove 80.

En outre, on a un contact matière synthétique contre matière synthétique entre le col 76 et la partie intermédiaire cylindrique 82, ce qui contribue également à la bonne étanchéité de l'obturation.In addition, there is a contact of synthetic material against synthetic material between the neck 76 and the cylindrical intermediate portion 82, which also contributes to the good sealing of the closure.

Comme indiqué sur la figure 13, pour ouvrir le contenant, on ôte l'obturateur 68 de l'orifice 70 en exerçant un mouvement selon la flêche F6 sur la patte articulée 66.As shown in FIG. 13, to open the container, the shutter 68 is removed from the orifice 70 by exerting a movement according to the arrow F6 on the articulated tab 66.

Selon l'invention, les opérations d'obturation et d'ouverture peuvent être répétées autant de fois que nécessaire en obtenant à chaque fois une très bonne étanchéité.According to the invention, the closing and opening operations can be repeated as many times as necessary, each time obtaining a very good seal.

On peut également prévoir une bande de garantie initiale placée sur l'obturateur 68 ou des moyens de liaison rendant initialement solidaires la patte articulée 66 et la partie 64 du corps 60 et annihilés lors de la première ouverture de l'orifice 70, comme décrit précédemment en référence aux figures 6 et 7, les mêmes observations que celles précitées étant applicables ici.It is also possible to provide an initial guarantee strip placed on the shutter 68 or connecting means initially making the articulated lug 66 and the part 64 of the body 60 integral and annihilated during the first opening of the orifice 70, as described above. with reference to FIGS. 6 and 7, the same observations as those mentioned above being applicable here.

Les figures 11 et 13 montrent également que l'on peut poser le contenant 50 en équilibre stable grâce à la présence des surfaces planes 62b et 64b prévues sur les parties constitutives du corps 60, dans la zone de la charnière 65.FIGS. 11 and 13 also show that the container 50 can be placed in stable equilibrium thanks to the presence of the flat surfaces 62 b and 64 b provided on the constituent parts of the body 60, in the region of the hinge 65.

Dans les deux exemples qui viennent d'être décrits, le corps 10-60 du contenant 1-50 est formé de deux parties concaves 12-14 et 62-64 solidarisées en se faisant face par leur concavité. Néanmoins, l'invention n'est pas limitée à ce type de contenant et l'on peut, bien entendu, prévoir une patte articulée munie d'un obturateur ainsi qu'un orifice de remplissage et de vidage, sur un contenant présentant un corps en une seule partie.In the two examples which have just been described, the body 10-60 of the container 1-50 is formed of two concave parts 12-14 and 62-64 joined together facing each other by their concavity. However, the invention is not limited to this type of container and it is, of course, possible to provide an articulated tab provided with a shutter as well as a filling and emptying orifice, on a container having a body. in a single game.

De même, le corps du contenant peut revêtir des formes tout-à-fait variées mais la présence d'au moins une surface plane pour constituer une embase permettant de le poser en équilibre stable, est particulièrement avantageuse.Likewise, the body of the container can take quite varied forms, but the presence of at least one flat surface to form a base allowing it to be placed in stable equilibrium is particularly advantageous.

Les figures 15 à 18 illustrent d'autres formes de réalisation de l'invention et l'on peut voir sur ces figures que le corps du contenant, réalisé comme précédemment à partir d'un film thermoplastique 100, est formé d'un fond 102 et d'un couvercle 104 réunis par l'un de leurs bords, le film 100 constituant une charnière dans cette zone d'assemblage. Le corps est formé en solidarisant le couvercle 104 au fond 102 (selon la flêche F7), par tout moyen connu.FIGS. 15 to 18 illustrate other embodiments of the invention and it can be seen in these figures that the body of the container, produced as above from a thermoplastic film 100, is formed from a bottom 102 and of a cover 104 joined by one of their edges, the film 100 constituting a hinge in this assembly zone. The body is formed by securing the cover 104 to the bottom 102 (according to arrow F7), by any known means.

Ces figures montrent, par ailleurs, les différents positionnements envisageables d'une part, de l'orifice de remplissage et de vidage et d'autre part, de la patte articulée munie d'un obturateur pour ledit orifice, pour un même contenant.These figures show, moreover, the different possible positions on the one hand, of the filling and emptying orifice and on the other hand, of the articulated leg provided with a shutter for said orifice, for the same container.

Ainsi, dans le cas des figures 15 et 16, l'orifice de remplissage et de vidage, respectivement 116 et 140, est pratiqué dans le couvercle 104, après l'opération de thermoformage de la manière schématisée sur les figures 2a, 2b et 2c, en formant un col lisse respectivement 118 et 142 situé loin de la zone de fixation du couvercle 104 sur le fond 102.Thus, in the case of FIGS. 15 and 16, the filling and emptying orifice, respectively 116 and 140, is made in the cover 104, after the thermoforming operation in the manner shown diagrammatically in FIGS. 2 a , 2 b and 2 c , by forming a smooth neck respectively 118 and 142 located far from the area for fixing the cover 104 to the bottom 102.

Le contenant 111 de la figure 15 présente une patte articulée 106 solidaire du couvercle 104 tandis que le contenant 113 de la figure 16 est muni d'une patte articulée 126 solidaire du fond 102.The container 111 of FIG. 15 has an articulated lug 106 secured to the cover 104 while the container 113 of FIG. 16 is provided with an articulated lug 126 secured to the bottom 102.

Dans les deux cas, la patte articulée 106-126 est munie d'un obturateur 108-128 et l'on peut voir que la forme de celui-ci diffère selon que la patte articulée 106 et l'orifice 116 se situent sur la même partie constitutive 104 du corps ou selon que la patte articulée 126 et l'orifice 140 se situent sur des parties distinctes, respectivement 102 et 104, du même corps.In both cases, the articulated leg 106-126 is provided with a shutter 108-128 and it can be seen that the shape of the latter differs depending on whether the articulated leg 106 and the orifice 116 are located on the same constitutive part 104 of the body or depending on whether the articulated tab 126 and the orifice 140 are located on separate parts, respectively 102 and 104, of the same body.

En effet, pour le contenant 111 de la figure 15, la forme et les dimensions de l'obturateur 108 sont déterminées comme dans le cas de l'obturateur 68, c'est-à-dire qu'il comprend une gorge 110 définissant une partie cylindrique 112 et un fond 114. Lorsque l'on rabat la patte articulée 106 vers le couvercle 104 (selon la flêche F8), l'obturateur 108 vient coiffer le col lisse 118 qui se trouve finalement en butée dans le fond de la gorge 110, comme explicité en se référant aux figures 12 et 14.Indeed, for the container 111 of FIG. 15, the shape and the dimensions of the shutter 108 are determined as in the case of the shutter 68, that is to say that it comprises a groove 110 defining a cylindrical part 112 and a bottom 114. When the articulated tab 106 is folded towards the cover 104 (according to the arrow F8), the shutter 108 comes to cap the smooth neck 118 which is finally in abutment in the bottom of the groove 110, as explained with reference to FIGS. 12 and 14.

Pour le contenant 113 de la figure 16, l'obturateur 128 est du type de l'obturateur 18 précédemment décrit, c'est-à-dire qu'il comprend une partie cylindrique 130 et une extrémité tronconique 132. Lorsque l'on rabat la patte articulée 126 vers le couvercle 104 (selon la flâche F9), l'extrémité tronconique 132 pénètre dans l'orifice 140 et la partie cylindrique 130 vient au contact du col lisse 142, comme indiqué pour le contenant des figures 4 et 5.For the container 113 of FIG. 16, the shutter 128 is of the type of the shutter 18 previously described, that is to say that it comprises a cylindrical part 130 and a frustoconical end 132. When the flap is folded the articulated tab 126 towards the cover 104 (according to the arrow F9), the frustoconical end 132 enters the orifice 140 and the cylindrical part 130 comes into contact with the smooth neck 142, as indicated for the container in FIGS. 4 and 5.

Si l'on se réfère aux figures 17 et 18, on voit que cette fois, l'orifice de remplissage et de vidage, respectivement 116' et 140', est pratiqué (comme schématisé sur les figures 2a, 2b et 2c), dans le fond 102 du contenant, respectivement 115 et 117.If we refer to Figures 17 and 18, we see that this time, the filling and emptying orifice, respectively 116 'and 140', is made (as shown schematically in Figures 2 a , 2 b and 2 c ), in the bottom 102 of the container, respectively 115 and 117.

Dans le cas de la figure 17, la patte articulée 106' est solidaire du fond 102 et est munie d'un obturateur 108' qui comporte une gorge 110', définissant une partie cylindrique 112', et un fond 114'. Ainsi, lorsque l'on rabat la patte articulée 106' vers le fond 102 (selon la flêche F10), le col 116' vient en butée dans le fond de la gorge 110', comme explicité précédemment en regard des figures 12 et 14.In the case of FIG. 17, the articulated leg 106 'is integral with the bottom 102 and is provided with a shutter 108' which has a groove 110 ', defining a cylindrical part 112', and a bottom 114 '. Thus, when the articulated tab 106 'is folded down towards the bottom 102 (according to the arrow F10), the neck 116' abuts in the bottom of the groove 110 ', as explained above with reference to FIGS. 12 and 14.

Dans le cas de la figure 18, la patte articulée est, au contraire, solidaire du couvercle 104 et présente un obturateur 128' (similaire aux obturateurs 18 et 128) comportant une partie cylindrique 130' et un fond tronconique 132'. Cette fois, pour obturer l'orifice 140', on rabat la patte articulée 128' vers le fond 102 du contenant 117 selon la flêche F11 et la partie cylindrique 130' vient au contact du col lisse 142'.In the case of FIG. 18, the articulated leg is, on the contrary, integral with the cover 104 and has a shutter 128 '(similar to the shutters 18 and 128) comprising a cylindrical part 130' and a frustoconical bottom 132 '. This time, to close the orifice 140 ', the articulated tab 128' is folded down towards the bottom 102 of the container 117 according to the arrow F11 and the cylindrical part 130 'comes into contact with the smooth neck 142'.

Il faut noter que, dans les exemples donnés ici, les contenants sont réalisés en une seule pièce par thermoformage et c'est notamment pour des raisons de coût des moules et de facilité de moulage que l'on choisit l'un ou l'autre type d'obturateur (18-128-128' ou 68-108-108') selon son positionnement par rapport à l'orifice de remplissage et de vidage, comme on peut le comprendre en se référant aux figures 1 et 8.It should be noted that, in the examples given here, the containers are made in one piece by thermoforming and it is in particular for reasons of cost of the molds and ease of molding that one chooses one or the other. type of shutter (18-128-128 'or 68-108-108') according to its positioning relative to the filling and emptying orifice, as can be understood by referring to Figures 1 and 8.

La figure 19 illustre quant à elle, un contenant 150 constitué de deux parties indépendantes, à savoir un corps 152 tel qu'une barquette et un opercule 154.FIG. 19 illustrates, for its part, a container 150 made up of two independent parts, namely a body 152 such as a tray and a cover 154.

Cette forme de réalisation présente l'avantage de permettre l'utilisation de corps préexistants et standardisés, réalisés en matière synthétique ou autre, par diverses méthodes. Dans ce cas, l'opercule 154 est solidarisé au corps 152 par tout moyen connu, par exemple par thermosoudure sur des marges 153 prévues à cet effet, comme cela est illustré par les flêches F12.This embodiment has the advantage of allowing the use of pre-existing and standardized bodies, made of synthetic or other material, by various methods. In this case, the cover 154 is secured to the body 152 by any known means, for example by heat sealing on margins 153 provided for this purpose, as illustrated by the arrows F12.

L'opercule 154 est réalisé par thermoformage d'un film en matière synthétique et l'on pratique dans celui-ci, un orifice de remplissage et/ou de vidage 156 présentant un col lisse 158 en saillie sur tout son pourtour, selon le schéma des figures 2a, 2b et 2c.The cover 154 is produced by thermoforming a film of synthetic material and there is practiced in this, a filling and / or emptying orifice 156 having a smooth neck 158 projecting around its entire periphery, according to the diagram. Figures 2 a , 2 b and 2 c .

Une patte articulée 160 est venue de formage avec l'opercule 154. Elle est munie d'un obturateur 162 (analogue aux obturateurs 68, 108 et 108') qui comporte une gorge 164 définissant une partie cylindrique 166, et un fond 168.An articulated tab 160 has come from forming with the cover 154. It is provided with a shutter 162 (similar to shutters 68, 108 and 108 ') which has a groove 164 defining a cylindrical part 166, and a bottom 168.

Dans ce cas, pour obturer l'orifice 156, on rabat vers celui-ci la patte articulée 160 selon la flêche F13, par pivotement autour d'une charnière 170 prévue sur l'opercule 154. Par suite, la gorge 164 vient coiffer le col 158 qui pénètre dans celle-ci jusqu'à se trouver en butée dans son fond et la partie cylindrique 166 vient au contact dudit col 158.In this case, to close the orifice 156, the articulated tab 160 is folded towards the latter according to the arrow F13, by pivoting around a hinge 170 provided on the cover 154. As a result, the groove 164 comes to cover the neck 158 which penetrates therein until it stops in its bottom and the cylindrical part 166 comes into contact with said neck 158.

L'invention n'est pas limitée à des contenants réalisés uniquement à partir d'un film en matière synthétique, comme dans les cas précités.The invention is not limited to containers produced solely from a film of synthetic material, as in the aforementioned cases.

Les figures 20 à 22 illustrent par exemple la fabrication d'un contenant 190 à partir d'un film synthétique muni sur sa face extérieure, d'éléments en carton.Figures 20 to 22 illustrate for example the manufacture of a container 190 from a synthetic film provided on its outer face with cardboard elements.

Dans ce cas, on place dans le fond d'un moule 200, deux coques en carton 202 et 204. Puis, on applique un film synthétique 206 par thermoformage sur ces deux coques. Aussi, le film 206 forme également deux coques 208 et 210 recouvrant les surfaces intérieures des éléments en carton 202 et 204. Le film 206 recouvre aussi l'intervalle subsistant entre celles-ci, pour constituer une charnière 205.In this case, two cardboard shells 202 and 204 are placed in the bottom of a mold 200. Then, a synthetic film 206 is applied by thermoforming on these two shells. Also, the film 206 also forms two shells 208 and 210 covering the interior surfaces of the cardboard elements 202 and 204. The film 206 also covers the gap remaining between them, to constitute a hinge 205.

Une patte articulée 212 est également prévue solidaire de la partie 204-210. Dans le cas considéré ici, elle est venue de formage en une seule pièce avec le film 206.An articulated lug 212 is also provided integral with the part 204-210. In the case considered here, it came from forming in one piece with the film 206.

La patte articulée 212 comprend un obturateur 214 similaire aux obturateurs 68-108-108', c'est-à-dire qu'il présente une gorge 216 définissant un partie cylindrique 218 et un fond 220.The articulated lug 212 comprises a shutter 214 similar to the shutters 68-108-108 ', that is to say that it has a groove 216 defining a cylindrical part 218 and a bottom 220.

Après démoulage, on réalise un orifice de remplissage et de vidage 222 dans une des deux parties constitutives du corps du contenant 190, ici la partie 204-210. Pour ce faire, on prévoit éventuellement une ouverture 225 dans l'élément en carton 204 dans le zone où l'on veut pratiquer l'orifice, et l'on procède comme explicité auparavant en référence aux figures 2a, 2b et 2c, au travers de ce passage. On forme ainsi l'orifice 222 avec un col lisse 224 en saillie sur tout son pourtour, au delà de la coque en carton 204.After demolding, a filling and emptying orifice 222 is produced in one of the two constituent parts of the body of the container 190, here part 204-210. To do this, an opening 225 is optionally provided in the cardboard element 204 in the area where the opening is to be made, and the procedure is as explained above with reference to FIGS. 2 a , 2 b and 2 c , through this passage. The orifice 222 is thus formed with a smooth neck 224 projecting around its entire periphery, beyond the cardboard shell 204.

On solidarise ensuite les deux parties 202-208 et 204-210 pour constituer le corps proprement dit et on obtient le contenant 190 représenté sur les figures 21 et 22.The two parts 202-208 and 204-210 are then joined together to constitute the body proper and the container 190 shown in FIGS. 21 and 22 is obtained.

Pour obturer l'orifice de remplissage et de vidage 222, on rabat la patte articulée 212 vers la partie 204-210 (selon la flêche F14) et on introduit l'obturateur 214 dans l'orifice 222, le col lisse 224 venant en butée dans le fond de la gorge 216, comme expliqué ci-avant. La figure 22 montre le contenant en position d'obturation.To close the filling and emptying orifice 222, the articulated tab 212 is folded towards the part 204-210 (according to the arrow F14) and the shutter 214 is introduced into the orifice 222, the smooth neck 224 abutting in the bottom of the groove 216, as explained above. Figure 22 shows the container in the closed position.

Les dimensions de l'obturateur 214 sont adaptées, comme décrit précédemment, à celles de l'orifice 222, et l'absence de carton dans la zone d'obturation permet d'obtenir une très bonne étanchéité, d'une manière analogue aux cas déjà cités.The dimensions of the shutter 214 are adapted, as described above, to those of the orifice 222, and the absence of cardboard in the shutter zone makes it possible to obtain a very good seal, in a manner analogous to cases. already cited.

Pour ouvrir à nouveau le contenant 190, il suffit d'ôter la patte articulée 212 dans le sens de la flêche F15.To open the container 190 again, it suffices to remove the articulated tab 212 in the direction of the arrow F15.

Ces opérations d'ouverture et d'obturation peuvent être répétées autant de fois que désiré, en obtenant toujours une très bonne étanchéité.These opening and closing operations can be repeated as many times as desired, always obtaining a very good seal.

Le fait que le contenant présente une surface extérieure en carton, présente des avantages pour indiquer les caractéristiques du contenu, son mode d'utilisation, ses applications, les précautions d'emploi, etc.The fact that the container has an outer cardboard surface has advantages in indicating the characteristics of the content, its mode of use, its applications, the precautions for use, etc.

Le film 206 peut, au niveau du corps du contenant, n'être que partiellement recouvert de carton.The film 206 may, at the level of the body of the container, be only partially covered with cardboard.

Quelle que soit la forme de réalisation choisie, l'invention est tout particulièrement adaptée au conditionnement de produits coulants tels que liquides, poudres, granulés, etc. car elle permet d'atteindre un excellent niveau d'étanchéité parallèlement à la possibilité d'ouvertures et de fermetures successives. Elle permet, par conséquent, de prélever le contenu par petites quantités et de refermer le contenant à de manière étanche, après chaque utilisation.Whatever the embodiment chosen, the invention is particularly suitable for the packaging of flowable products such as liquids, powders, granules, etc. because it achieves a excellent level of tightness alongside the possibility of successive openings and closings. It therefore makes it possible to withdraw the contents in small quantities and to close the container tightly after each use.

L'invention est également particulièrement intéressante vis-à-vis du souci de préserver l'environnement car, non seulement il est possible d'adopter un matériau recyclable mais en outre, le procédé de fabrication par thermoformage permet l'obtention d'articles monomatière avec des parois d'épaisseur réduite, ce qui permet une économie de matière.The invention is also particularly advantageous with regard to the concern for preserving the environment because, not only is it possible to adopt a recyclable material but also, the manufacturing process by thermoforming makes it possible to obtain single-material articles with walls of reduced thickness, which allows a saving of material.

Claims (30)

  1. A receptacle (1, 50, 111. 113, 115, 117, 150, 190) through which an orifice (20, 70, 116, 140, 116', 140'. 156, 222) passes inside a projecting neck (26, 76, 118, 142, 118' 142', 158, 224) with smooth inner and outer walls, integral with an obturator (18, 68, 108, 128, 108', 128', 162, 214) for repeated use which is located on a tab (16, 66, 106, 126, 106', 126', 160, 212) articulated to said receptacle, and not to the neck, and which has a cylindrical portion (30, 82, 112, 130, 112', 130' 166, 218) capable of being inserted into the neck, characterised in that the neck is continuously cylindrical, made of a flexible material, and isolated, that is, it projects far out from any other relief, the cylindrical portion capable of being inserted into the neck having a height (hl, h2) at least equal to that (h'1, h'2) of said neck, the inner wall, at least, of the neck and the outer wall, at least, of the cylindrical portion being made of synthetic material.
  2. A receptacle according to claim 1, characterised in that the obturator (68, 108, 108', 162, 214) has a groove (80, 110, 110', 164, 216) around its whole periphery, intended to fit over the smooth neck (76, 118, 118', 158, 224) projecting from the periphery of the orifice (70, 116, 116', 156, 222), it being necessary, advantageously, for said neck (76, 118, 118', 158, 224), in the closed position, to abut against the bottom of said groove (80, 110, 110', 164, 216).
  3. A receptacle according to Claim 2, characterised in that the width (l) of the groove (80, 110, 110', 164, 216) is slightly less than the thickness (e) of the neck (76, 118, 118', 158, 224).
  4. A receptacle according to Claim 1, characterised in that, said receptacle (1, 50, 111, 113, 115, 117, 190) being made of synthetic material, the articulated cab (16, 66, 106, 126, 106', 126', 212) and the obturator (18, 68, 108, 128, 108', 128', 214) form a single piece together with said receptacle, in a distinct area of the neck.
  5. A receptacle according to Claim 1, characterised in that it is constituted by a body (152) and a distinct cover (154), through which latter said orifice (156) passes, and which latter comprises the articulated tab (160) provided with the obturator (162) for said orifice (156).
  6. A receptacle according to Claim 5, characterised in that, the cover (154) being made from a film made of synthetic material, the articulated tab (160) and the obturator (162) form a single piece together with said film.
  7. A receptacle according to Claim 1, characterised in that it comprises a body (10,60) formed of two concave portions (12-14, 62-64) opposite each other.
  8. A receptacle according to Claim 1, characterised in that it comprises a body formed of a plane portion (104, 154) and a concave portion (102, 152).
  9. A receptacle according to claim 1, characterised in that it comprises a body (10,60) having at least one plane portion (12b-14b, 62b-64b) intended to constitute a base by which said receptacle (1, 50) may be placed in stable equilibrium,
  10. A receptacle according to Claim 1, characterised in that the articulated tab (16) is provided with means (40) for connection to said receptacle (1) which are intended to be destroyed by breaking when the obturator (18) of said receptacle (l) is first opened.
  11. A receptacle according to Claim 1, characterised in that, said receptacle (190) being formed from a film of synthetic material (206) in a single piece, and comprising at least one external portion made of cardboard (202-204) or another similar material, the articulated tab (212) is constituted by a portion of said film (206).
  12. A receptacle according to Claim 1, characterised in that, the receptacle (190) being formed of two independent portions made of cardboard (202-204) or another similar material held together firmly by a film (206) made of synthetic material applied in a single piece to the whole inner surface (208-210) of said portions and over the gap separating them so as to form a hinge (205) between them, the articulated tab (212) is constituted by a portion of said film (206).
  13. A receptacle according to any one of Claims 11 and 12, characterised in that one of the portions made of cardboard (204) or other similar material has a passage (225) for the neck (224) made of synthetic material.
  14. A receptacle according to Claim 12, characterised in that each of the portions made of cardboard (202-204) or other similar material has a plane portion in the area of the hinge (205), intended to constitute together a base by which the receptacle (190) can be placed in stable equilibrium.
  15. A process for producing a receptacle (1, 50, 111, 113, 115, 117, 150, 190) through which an orifice (20, 70, 116, 140, 116', 140', 156, 222) passes inside a projecting neck (26, 76, 118, 142, 118', 142', 158, 224) and integral with an obturator (1 8, 68. 108, 128, 108', 128', 162, 214) for repeated use, located on a tab (16, 66, 106. 126, 106', 126', 160, 212) articulated to said receptacle, characterised in that it consists in:
    * producing said receptacle by thermoforming a film (2, 52, 206) of synthetic material,
    * producing the articulated tab so as to be integral with said receptacle, in a distinct area of the neck,
    * producing, on said articulated tab, the obturator having a cylindrical portion (30, 82, 112, 130, 112', 130, 166, 218) capable of being inserted into the neck,
    * piercing a pilot hole (22) in said receptacle,
    * simultaneously forming the orifice by calibrating the pilot hole (22) and the neck, which is smooth inside and outside, projecting around the whole periphery of said orifice, said neck having a height (h'1, h'2) at least equal to that (hl, h2) of the cylindrical portion of the obturator.
  16. A process according to Claim 15, characterised in that, the receptacle (1, 113, 117) being formed of at least two portions (12-14, 102-104) opposite each other, the orifice (20, 140, 140') is made entirely on one portion (14, 104, 102) of said receptacle (1, 113, 117) and the articulated tab (16, 126, 126') entirely on another constituent portion (12, 102, 104) and not partly on one of these portions and partly on the other.
  17. A process according to Claim 15, characterized in that, the receptacle (50, 111, 115, 150, 190) being formed of at least two portions (62-64, 102-104, 152-154, 202, 208-204, 210) opposite each other, the orifice (70, 116, 116', 162, 214) and the articulated tab (66, 106, 106', 160, 212) are made on the same constituent portion (64, 104, 102, 154, 204-210) of said receptacle (50, 111, 115, 150, 190), and not partly on one of these portions and partly on the other.
  18. A process according to claim 15, characterised in that, the receptacle (1, 50, 111, 113, 115, 117, 150, 190) having at least one plane portion (14a, 64a, 104, 154), the orifice (20, 70, 116, 140, 116', 140', 156, 222) is made entirely in said plane portion.
  19. A process according to claim 15, characterised in that the orifice (20, 70, 116, 140, 116', 140', 156, 222) is made by means of a calibrated heating punch (24) engaged in the pilot hole (22).
  20. A process according to Claim 15, characterised in that a groove (80, 110, 110', 164, 216) is made around the whole periphery of the obturator (68, 108, 108', 162, 214), said groove (80, 110, 110', 164, 216) being intended to fit over the smooth neck (76, 118, 118', 158, 224) projecting from the orifice (70, 116, 116', 156, 222).
  21. A process according to Claim 20, characterized in that a groove (80, 110, 110', 164, 216) is provided, with a width (l) slightly less than the thickness (e) of the neck (76, 118, 118', 158, 224).
  22. A process according to Claim 15, characterised in that the flexible tab (16, 66, 106, 126 106', 126', 160, 212) and the obturator (18, 68, 108, 128, 108', 128', 162, 214) are made by moulding together with the receptacle (1, 50, 111, 113, 115, 117, 150, 190).
  23. A process according to claim 15, characterised in that, to form the receptacle (150):
    * the body (152) of said receptacle (150) is produced,
    * a cover (154) is produced, distinct from said body (152), by thermoforming a film made of synthetic material,
    * said cover (154) is firmly attached to the body (152) in a distinct area of the smooth neck (76, 118, 118', 158, 224),
    * the articulated tab (160) and the obturator (162) are produced from a portion of said film,
    * the pilot hole is pierced in said cover (154)
  24. A process according to Claim 15, characterised in that at least one plane portion (12b-14b, 62b-64b) is provided on the receptacle (1, 50), intended to constitute a base by which it can be placed in stable equilibrium.
  25. A process according to Claim 15, characterized in that connection means (40) are provided between the articulated tab (16) and the receptacle (1), said connection means (40) being intended to be destroyed by breaking when the obturator (18) is first opened,
  26. A process according to Claim 15, characterised in that, to form the receptacle (190), a film (208-210) of synthetic material is applied by thermoforming to at least one element made of cardboard (202-204) or another similar material and the articulated tab (212) is produced, made by moulding together with said film (208-210).
  27. A process according to Claim 15, characterised in that, to form the receptacle (190);
    * two elements made of cardboard (202-204) or another similar material are juxtaposed,
    * said elements (202-204) are firmly attached by thermoforming a film (208-210) of synthetic material over the whole inner surface of said elements (202-204) and over the gap between them so as to constitute a hinge (205),
    * the articulated tab (212) and the obturator (214) are produced from a portion of said film (208-210).
  28. A process according to Claim 27, characterised in that the film of synthetic material (2, 52) is allowed to project from the periphery of the receptacle (1, 50), except in the area of the hinge (15, 65) so as to constitute margins (28, 78) intended to be assembled in twos by heat-sealing or a similar process.
  29. A process according to Claim 27, characterised in that an opening (225) is made in one of the elements made of cardboard (204) or other similar material and the orifice (222) provided with a smooth neck (224) around its whole periphery is made in the film (210), through said opening (225).
  30. A process according to Claim 27, characterised in that a plane portion is provided on each of the portions made of cardboard (202-204) or another similar material, in the area of the hinge (205), said plane portions being intended to constitute together a base by which the receptacle (190) can be placed in stable equilibrium.
EP93910088A 1992-05-06 1993-05-05 Receptacle with an opening that can be repeatedly opened and closed and process for the manufacture of same Expired - Lifetime EP0593728B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9205569A FR2690896B1 (en) 1992-05-06 1992-05-06 CONTAINER PROVIDED WITH A SEQUENCE OF SUCCESSIVE OPENINGS AND CLOSURES AND METHOD FOR THE PRODUCTION THEREOF.
FR9205569 1992-05-06
PCT/FR1993/000435 WO1993022201A1 (en) 1992-05-06 1993-05-05 Receptacle with an opening that can be repeatedly opened and closed and process for the manufacture of same

Publications (2)

Publication Number Publication Date
EP0593728A1 EP0593728A1 (en) 1994-04-27
EP0593728B1 true EP0593728B1 (en) 1997-01-08

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EP93910088A Expired - Lifetime EP0593728B1 (en) 1992-05-06 1993-05-05 Receptacle with an opening that can be repeatedly opened and closed and process for the manufacture of same

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EP (1) EP0593728B1 (en)
AT (1) ATE147345T1 (en)
DE (1) DE69307254T2 (en)
ES (1) ES2098742T3 (en)
FR (1) FR2690896B1 (en)
MA (1) MA22890A1 (en)
WO (1) WO1993022201A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4412485A1 (en) * 1994-04-12 1995-10-19 Tetra Laval Holdings & Finance Packaging for plasticizers, process for producing the same and device
ATE225741T1 (en) * 1996-03-08 2002-10-15 Graham Packaging Co BLOW MOLDED CONTAINER WITH ONE PIECE MOLDED CLOSURE
FR2777863B1 (en) * 1998-04-28 2000-07-28 Packland CONTAINER HAVING AN ORIFICE SURROUNDED BY A NECK THAT CAN ALWAYS BE SEALED AND SUCCESSIVE CAPS AND METHOD FOR MANUFACTURING THE CONTAINER
JP2004525826A (en) * 2001-02-21 2004-08-26 ダルテル アリメンタリ エスピーエー Dispensers for granular or powdered foods, such as, for example, powdered cheese or similar discrete foods, and processes for making same
EP1243522A1 (en) * 2001-03-21 2002-09-25 Dalter Alimentari S.p.A. Dispenser for granular or powdered food products, for example grated cheese, and corresponding manufacturing process

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3297208A (en) * 1965-06-23 1967-01-10 Rexall Drug Chemical Container spout, with axially movable, horizontally swingable pouring extension, and a captive closure
US3380608A (en) * 1966-06-14 1968-04-30 American Can Co Molded integral cap and container
FR1573161A (en) * 1968-04-04 1969-07-04
FR2314877A1 (en) * 1975-06-20 1977-01-14 Bodet Jean Moulded container for liquid products - consists of two shells with lining of flexible plastics material
WO1989007555A1 (en) * 1988-02-16 1989-08-24 Gordon Geasland Tubular plastic shipping, storage and dispensing container and parts usable therewith
US5008066A (en) * 1989-04-06 1991-04-16 Seaquist Closures Container with a unitary closure and method for making same

Also Published As

Publication number Publication date
MA22890A1 (en) 1993-12-31
ES2098742T3 (en) 1997-05-01
DE69307254T2 (en) 1997-08-07
DE69307254D1 (en) 1997-02-20
WO1993022201A1 (en) 1993-11-11
ATE147345T1 (en) 1997-01-15
FR2690896A1 (en) 1993-11-12
FR2690896B1 (en) 1996-03-29
EP0593728A1 (en) 1994-04-27

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