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EP3476763B1 - Plastic box with first opening indicator - Google Patents

Plastic box with first opening indicator Download PDF

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Publication number
EP3476763B1
EP3476763B1 EP18202942.1A EP18202942A EP3476763B1 EP 3476763 B1 EP3476763 B1 EP 3476763B1 EP 18202942 A EP18202942 A EP 18202942A EP 3476763 B1 EP3476763 B1 EP 3476763B1
Authority
EP
European Patent Office
Prior art keywords
lid
hinge
tongue
base
box
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.)
Active
Application number
EP18202942.1A
Other languages
German (de)
French (fr)
Other versions
EP3476763A1 (en
Inventor
Jean-Claude Thierry
Frédéric Blanchet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sirap France
Original Assignee
Sirap France
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sirap France filed Critical Sirap France
Publication of EP3476763A1 publication Critical patent/EP3476763A1/en
Application granted granted Critical
Publication of EP3476763B1 publication Critical patent/EP3476763B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0235—Removable lids or covers with integral tamper element
    • 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/14—Non-removable lids or covers
    • B65D43/16—Non-removable lids or covers hinged for upward or downward movement
    • B65D43/162—Non-removable lids or covers hinged for upward or downward movement the container, the lid and the hinge being made of one piece
    • 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/14—Non-removable lids or covers
    • B65D43/16—Non-removable lids or covers hinged for upward or downward movement
    • B65D43/163—Non-removable lids or covers hinged for upward or downward movement the container and the lid being made separately
    • B65D43/169—Non-removable lids or covers hinged for upward or downward movement the container and the lid being made separately the lid, the hinge and the element connecting them to the container being made of one piece
    • 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
    • B65D2401/00—Tamper-indicating means
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/60—Tearable part both of the container and of the closure
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00092—Shape of the outer periphery curved circular
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00611—Profiles
    • B65D2543/0062—Groove or hollow bead
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00675—Periphery concerned
    • B65D2543/00685—Totality
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00722—Profiles
    • B65D2543/00731—Groove or hollow bead
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00787—Periphery concerned
    • B65D2543/00796—Totality

Definitions

  • the present invention relates to the field of plastic boxes comprising a base and a cover articulated one on the other by means of a hinge.
  • WO2008 / 008343A1 discloses a box comprising a base and a cover connected by a hinge, the base comprising a peripheral heel extending upwardly and preventing grasping of a peripheral edge of the lid to open the latter, the hinge comprising a frangible portion whose removal releases an arm allowing the lid to be grabbed to open.
  • the user In order to be able to open the cover, the user must therefore break the frangible part of the joint, which thus forms a first opening indicator.
  • US8608008B2 discloses a box comprising a base and a cover connected by a hinge, the base comprising a peripheral heel extending upwardly so as to prevent grasping of a peripheral edge of the cover to open the latter, the hinge being frangible, the base and the cover being provided with user-graspable tabs to lift the cover by breaking the hinge.
  • the tabs carried by the base and the cover do not extend from the base and the cover beyond the hinge axis.
  • the articulation broken when the cover is first opened forms a first opening indicator.
  • US2006 / 289549A1 discloses a box according to the preamble of claim 1, comprising a base and a cover made in a single piece of material, connected by two hinges, each hinge having a base portion integral with the base and a lid portion integral with the lid connected by a frangible line provided to break during the first opening carried out so that the cover portion separates from the base and remains integral with the cover.
  • One of the aims of the invention is to provide a box with a first-opening indicator which has reliable closure while at the same time being easy to open for the user.
  • the invention provides a box with a first-opening indicator according to claim 1.
  • the tongue extending beyond the hinge axis projecting from the hinge and which can for example be integrated into the film of material in which the hinge is formed, is easily identifiable by the user and allows easy opening by the user.
  • Box 2 shown on Figures 1 to 6 comprises a base 4 and a cover 6 articulated on the base 4 by means of a hinge 8 defining an articulation axis A around which the cover 6 pivots during the first closing of the box 2.
  • Box 2 is for example a box for packaging food products.
  • Box 2 is made from a single piece of plastic.
  • the base 4 and the cover 6 are thus produced in a single piece of plastic.
  • the plastic material is for example PET (polyethylene terephthalate or poly (ethylene terephthalate)).
  • the box 2 is for example made by thermoforming a plastic sheet with the assistance of a mold.
  • the hinge 8 comprises at least one hinge part 10, here two hinge parts 10.
  • Each hinge part 10 is configured to bend along the hinge axis A to allow the cover 6 to be closed by pivoting the cover 6 relative to the base 4 about the hinge axis A.
  • Each hinge part 10 here comprises a base portion 12 integral with the base 4 and a cover portion 14 integral with the cover 6, the base portion 12 and the cover portion 14 being connected by a folding portion 16.
  • Each hinge part 10 is configured to fold by folding its folding portion 16.
  • the folding portion 16 of each hinge portion 10 extends along the hinge axis A.
  • the folding portion 16 of each part of hinge 10 is for example formed of a groove.
  • each articulation part 10 is linked to the cover 6 by a frangible link 18 configured to break when the cover 6 is first opened.
  • Each articulation part 10 thus forms a first opening indicator, the cover portion 14 of each articulation part 10 remaining integral with the base 4 and dissociated from the cover 6 after the first opening, by being protruding ( Figures 5 and 6 ).
  • the frangible link 18 is designed to break easily.
  • the frangible connection 18 is for example formed by a rupture line extending at the junction between the cover portion 14 of the hinge part 10 and the cover 6.
  • the frangible line 18 is for example a pre-cut line.
  • a pre-cut line is for example formed of a series of bridges distributed along a frangible line 18, each bridge connecting the cover portion 14 of the hinge part 10 to the cover 6.
  • the box 2 comprises a tongue 20 integral with the cover 6 and provided to allow the cover 6 to be opened by pulling on the tongue 20.
  • the tongue 20 extends from the cover 6 and beyond the hinge axis. AT.
  • the tongue 20 is formed so as not to bend when the cover 6 is first closed.
  • each hinge part 10 is folded in half around the hinge axis A and is located entirely on the same side of the hinge axis A as the cover 6.
  • each hinge portion 10 is folded over the base portion 12 of this hinge portion 10 by folding the fold portion 16.
  • the tongue 20 turns around without bending. It protrudes from the cover 6 towards the outside of the box 2, going beyond the hinge axis A. It follows that the tongue 20 projects relative to the hinge 8 , beyond the articulation axis A. The tongue 20 projects in particular outwardly of the box relative to the cover portion 14 of each hinge part 10.
  • the protruding tongue 20 enables the user to understand that it is necessary to pull on the tongue 20 to open the cover 6.
  • the box 2 is provided with a sign indicating the user to pull the tab 20 to open the cover.
  • the indication may be formed in hollow or in relief on the tongue 20, on the cover 6 or on the base 4.
  • the hinge 8 comprises two hinge parts 10 arranged on either side of the tab 20.
  • the tab 20 is located along the hinge axis A between the two hinge parts 10
  • the two hinge parts 10 are spaced from each other along the hinge axis A.
  • the hinge 8 and the tab 20 are formed in a film of material 22 initially connecting the base 4 and the cover 6, before the first closing and the first opening of the box 2.
  • Tab 20 is cut from film of material 22 along a cutting line 24.
  • the cut line 24 has a U-shape, the two branches of which are substantially perpendicular to the articulation axis A.
  • Each hinge part 10 is formed in the film of material 22. Each hinge part 10 results in part from the cutting of the tab 20.
  • the frangible link 18 connecting each hinge part 10 to the cover 6 extends from one end of the cut line 24 of the tongue 20. Thus, when the tongue 20 is pulled, each frangible link 18 is immediately stressed, which allows an easy and rapid breaking of the frangible link 18.
  • each frangible link 18 extends from a respective end of the cut line 24.
  • each frangible connection 18 extends from one end of the cutting line 24 to an edge 26 of the film of material 22, passing through the corresponding hinge part.
  • the film of material 22 has two opposite edges 26 and each frangible link 18 extends towards a respective edge 26 of the hinge film 22.
  • the two frangible links 18 extend progressively away from one another. the other.
  • each frangible link 18 extends radially with respect to the hinge axis A from the cut line 24, then turns substantially through 90 ° to extend axially with respect to the axis articulation A, joining the edge 26 of the film of material 22.
  • the base 4 and the cover 6 include complementary closure reliefs making it possible to keep the cover 6 in the closed position.
  • the complementary closure reliefs are configured to be forcibly engaged one into the other.
  • the complementary closure reliefs here comprise a circumferential closure rib 30 carried by the cover 6 and a complementary circumferential closure groove 32 formed on the base 4, provided to engage by force one in the other during the closure. cover 6.
  • the base 4 is provided with a heel 34 for circumferential protection surrounding the cover 6 and projecting upwardly with respect to the peripheral edge 36 of the cover 6 when the cover 6 is closed.
  • the heel 34 prevents a user from grasping the peripheral edge 36 of the closed cover 6 to open the latter.
  • the heel 34 is interrupted in a passage zone 38 (or notch) situated circumferentially in line with the hinge 8 and the tongue 20.
  • This passage zone 38 allows the passage of each part of the hinge 10 and of the tongue 20 towards the 'outside, from the peripheral edge 36 of the cover 6.
  • the user In operation, for the first opening of the box 4, the user holds the base 4 and pulls the tab 20 upwards so as to separate the cover 6 from the base 4 ( Figure 4 ).
  • the pulling of the tongue 20 makes it possible to easily break the hinge parts 10.
  • frangible links 18 located between the cover portions 14 of the hinge parts 10 and the cover 6 ensure rapid and easy breaking as soon as the tab 20 is pulled.
  • cover portions 14 form first opening indicators while remaining integral with the base 4 and separate from the cover 6, and by being protruding. The user thus knows that box 2 has already been opened.
  • the positioning of the tongue 20 between two hinge parts is advantageous regardless of the fact that the tongue 20 protrudes outwards from the closed box 2 by exceeding the hinge axis A, in particular when the tongue 20 is contiguous to each hinge part 10, and in particular delimited by a cut line 24 in the film of material 22 in which the hinge 8 is formed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Cartons (AREA)

Description

La présente invention concerne le domaine des boîtes en matière plastique comprenant une base et un couvercle articulés l'un sur l'autre par l'intermédiaire d'une charnière.The present invention relates to the field of plastic boxes comprising a base and a cover articulated one on the other by means of a hinge.

Il est possible de commercialiser des produits alimentaires dans des boîtes en matière plastique comprenant une base et un couvercle articulé sur la base par l'intermédiaire d'une charnière, la base et le couvercle étant munis de reliefs de fermeture complémentaires configurés pour venir en prise pour maintenir le couvercle fermé.It is possible to market food products in plastic boxes comprising a base and a cover articulated on the base by means of a hinge, the base and the cover being provided with complementary closure reliefs configured to engage. to keep the lid closed.

Il est souhaitable de munir une telle boîte d'un témoin de première ouverture permettant au consommateur de vérifier que la boîte n'a pas été ouverte puis refermée.It is desirable to provide such a box with a first-opening indicator allowing the consumer to verify that the box has not been opened and then closed.

WO2008/008343A1 divulgue une boîte comprenant une base et un couvercle reliés par une articulation, la base comprenant un talon périphérique s'étendant vers le haut et empêchant de saisir un bord périphérique du couvercle pour ouvrir ce dernier, l'articulation comprenant une partie frangible dont le retrait permet de libérer un bras permettant de saisir le couvercle pour l'ouvrir. Pour pouvoir ouvrir le couvercle, l'utilisateur doit donc rompre la partie frangible de l'articulation qui forme ainsi un témoin de première ouverture. WO2008 / 008343A1 discloses a box comprising a base and a cover connected by a hinge, the base comprising a peripheral heel extending upwardly and preventing grasping of a peripheral edge of the lid to open the latter, the hinge comprising a frangible portion whose removal releases an arm allowing the lid to be grabbed to open. In order to be able to open the cover, the user must therefore break the frangible part of the joint, which thus forms a first opening indicator.

US8608008B2 divulgue une boîte comprenant une base et un couvercle reliés par une articulation, la base comprenant un talon périphérique s'étendant vers le haut de manière à empêcher de saisir un bord périphérique du couvercle pour ouvrir ce dernier, l'articulation étant frangible, la base et le couvercle étant munis de languettes pouvant être saisies par l'utilisateur pour soulever le couvercle en rompant l'articulation. Lorsque le couvercle est fermé, les languettes portées par la base et le couvercle ne s'étendent pas à partir de la base et du couvercle au-delà de l'axe d'articulation. L'articulation rompue à la première ouverture du couvercle forme un témoin de première ouverture. US8608008B2 discloses a box comprising a base and a cover connected by a hinge, the base comprising a peripheral heel extending upwardly so as to prevent grasping of a peripheral edge of the cover to open the latter, the hinge being frangible, the base and the cover being provided with user-graspable tabs to lift the cover by breaking the hinge. When the cover is closed, the tabs carried by the base and the cover do not extend from the base and the cover beyond the hinge axis. The articulation broken when the cover is first opened forms a first opening indicator.

US2006/289549A1 divulgue une boîte selon le préambule de la revendication 1, comprenant une base et un couvercle réalisés en une seule pièce de matière, reliés par deux charnières, chaque charnière possédant une portion de base solidaire de la base et une portion de couvercle solidaire du couvercle reliées par une ligne frangible prévue pour rompre lors de la première ouverture effectuée de sorte que la portion de couvercle se sépare de la base et reste solidaire du couvercle. US2006 / 289549A1 discloses a box according to the preamble of claim 1, comprising a base and a cover made in a single piece of material, connected by two hinges, each hinge having a base portion integral with the base and a lid portion integral with the lid connected by a frangible line provided to break during the first opening carried out so that the cover portion separates from the base and remains integral with the cover.

Un des buts de l'invention est de fournir une boîte avec témoin de première ouverture qui présente une fermeture fiable tout en présentant une ouverture facile pour l'utilisateur.One of the aims of the invention is to provide a box with a first-opening indicator which has reliable closure while at the same time being easy to open for the user.

A cet effet, l'invention propose une boîte avec témoin de première ouverture selon la revendication 1.To this end, the invention provides a box with a first-opening indicator according to claim 1.

La languette s'étendant au-delà de l'axe d'articulation en faisant saillie par rapport à la charnière, et qui peut par exemple être intégrée dans le film de matière dans lequel est formée la charnière, est facilement identifiable par l'utilisateur et permet une ouverture facile par l'utilisateur.The tongue extending beyond the hinge axis projecting from the hinge, and which can for example be integrated into the film of material in which the hinge is formed, is easily identifiable by the user and allows easy opening by the user.

Des caractéristiques optionnelles de la boîte avec témoin de première ouverture sont définies aux revendications 2 à 10.Optional characteristics of the box with first-open indicator are defined in claims 2 to 10.

L'invention et ses avantages seront mieux compris à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple non limitatif, et faite en référence aux dessins annexés, sur lesquels :

  • la Figure 1 est une vue en perspective d'une boîte ouverte, avant sa première fermeture ;
  • la Figure 2 est une vue de détail de la Figure 1 illustrant une charnière de la boîte ;
  • la Figure 3 est une vue en perspective de la boîte au cours de sa première fermeture ;
  • la Figure 4 est une vue en perspective de la boîte fermée, avant la première ouverture ;
  • la Figure 5 est une vue en perspective de la boîte ouverte après sa première ouverture ; et
  • la Figure 6 est une vue en perspective de la boîte refermée après sa première ouverture.
The invention and its advantages will be better understood on reading the description which follows, given solely by way of non-limiting example, and made with reference to the accompanying drawings, in which:
  • the Figure 1 is a perspective view of an open box, before it is first closed;
  • the Figure 2 is a detail view of the Figure 1 illustrating a hinge of the box;
  • the Figure 3 is a perspective view of the box during its first closure;
  • the Figure 4 is a perspective view of the closed box, before the first opening;
  • the Figure 5 is a perspective view of the box opened after its first opening; and
  • the Figure 6 is a perspective view of the closed box after its first opening.

La boîte 2 illustrée sur les Figures 1 à 6 comprend une base 4 et un couvercle 6 articulé sur la base 4 par l'intermédiaire d'une charnière 8 définissant un axe d'articulation A autour duquel le couvercle 6 pivote lors de la première fermeture de la boîte 2.Box 2 shown on Figures 1 to 6 comprises a base 4 and a cover 6 articulated on the base 4 by means of a hinge 8 defining an articulation axis A around which the cover 6 pivots during the first closing of the box 2.

La boîte 2 est par exemple une boîte d'emballage de produits alimentaires.Box 2 is for example a box for packaging food products.

La boîte 2 est réalisée en une seule pièce de matière plastique. La base 4 et le couvercle 6 sont ainsi réalisés dans une seule pièce de matière plastique. La matière plastique est par exemple du PET (polyéthylène téréphtalate ou poly(téréphtalate d'éthylène)).Box 2 is made from a single piece of plastic. The base 4 and the cover 6 are thus produced in a single piece of plastic. The plastic material is for example PET (polyethylene terephthalate or poly (ethylene terephthalate)).

La boîte 2 est par exemple réalisée par thermoformage d'une feuille de matière plastique avec l'assistance d'un moule.The box 2 is for example made by thermoforming a plastic sheet with the assistance of a mold.

La charnière 8 comprend au moins une partie de charnière 10, ici deux parties de charnière 10.The hinge 8 comprises at least one hinge part 10, here two hinge parts 10.

Chaque partie de charnière 10 est configurée pour se plier suivant l'axe d'articulation A pour permettre la fermeture du couvercle 6 par pivotement du couvercle 6 par rapport à la base 4 autour de l'axe d'articulation A.Each hinge part 10 is configured to bend along the hinge axis A to allow the cover 6 to be closed by pivoting the cover 6 relative to the base 4 about the hinge axis A.

Chaque partie de charnière 10 comprend ici une portion de base 12 solidaire de la base 4 et une portion de couvercle 14 solidaire du couvercle 6, la portion de base 12 et la portion de couvercle 14 étant reliées par une portion de pliage 16.Each hinge part 10 here comprises a base portion 12 integral with the base 4 and a cover portion 14 integral with the cover 6, the base portion 12 and the cover portion 14 being connected by a folding portion 16.

Chaque partie de charnière 10 est configurée pour se plier par pliage de sa portion de pliage 16. La portion de pliage 16 de chaque partie de charnière 10 s'étend suivant l'axe d'articulation A. La portion de pliage 16 de chaque partie de charnière 10 est par exemple formée d'une rainure.Each hinge part 10 is configured to fold by folding its folding portion 16. The folding portion 16 of each hinge portion 10 extends along the hinge axis A. The folding portion 16 of each part of hinge 10 is for example formed of a groove.

La portion de couvercle 14 de chaque partie d'articulation 10 est liée au couvercle 6 par une liaison frangible 18 configurée pour rompre lors de la première ouverture du couvercle 6.The cover portion 14 of each articulation part 10 is linked to the cover 6 by a frangible link 18 configured to break when the cover 6 is first opened.

Chaque partie d'articulation 10 forme ainsi un témoin de première ouverture, la portion de couvercle 14 de chaque partie d'articulation 10 restant solidaire de la base 4 et dissociée du couvercle 6 après la première ouverture, en étant saillante (Figures 5 et 6).Each articulation part 10 thus forms a first opening indicator, the cover portion 14 of each articulation part 10 remaining integral with the base 4 and dissociated from the cover 6 after the first opening, by being protruding ( Figures 5 and 6 ).

Lorsque la boîte 2 est fermée mais qu'une partie de charnière 10 est rompue, i.e. séparée du couvercle 6 par rupture de la liaison frangible 18 entre la portion de couvercle 14 et le couvercle 6, cela signifie que la boîte 2 a été ouverte puis refermée.When the box 2 is closed but a hinge part 10 is broken, ie separated from the cover 6 by breaking the frangible connection 18 between the cover portion 14 and the cover 6, this means that the box 2 has been opened and then closed.

La liaison frangible 18 est prévue pour rompre facilement. La liaison frangible 18 est par exemple formée par une ligne de rupture s'étendant à la jonction entre la portion de couvercle 14 de la partie de charnière 10 et le couvercle 6.The frangible link 18 is designed to break easily. The frangible connection 18 is for example formed by a rupture line extending at the junction between the cover portion 14 of the hinge part 10 and the cover 6.

La ligne frangible 18 est par exemple une ligne prédécoupée. Une telle ligne prédécoupée est par exemple formée d'une série de pontets répartis le long d'une ligne frangible 18, chaque pontet reliant la portion de couvercle 14 de la partie de charnière 10 au couvercle 6.The frangible line 18 is for example a pre-cut line. Such a pre-cut line is for example formed of a series of bridges distributed along a frangible line 18, each bridge connecting the cover portion 14 of the hinge part 10 to the cover 6.

La boîte 2 comprend une languette 20 solidaire du couvercle 6 et prévue pour permettre d'ouvrir le couvercle 6 en tirant sur la languette 20. La languette 20 s'étend à partir du couvercle 6 et au-delà de l'axe d'articulation A.The box 2 comprises a tongue 20 integral with the cover 6 and provided to allow the cover 6 to be opened by pulling on the tongue 20. The tongue 20 extends from the cover 6 and beyond the hinge axis. AT.

Lorsque la boîte 2 n'a jamais été fermée (Figures 1 et 2), la languette 20 s'étend du couvercle 6 vers la base 4.When box 2 has never been closed ( Figures 1 and 2 ), the tab 20 extends from the cover 6 towards the base 4.

La languette 20 est formée de manière à ne pas se plier lors de la première fermeture du couvercle 6.The tongue 20 is formed so as not to bend when the cover 6 is first closed.

Lorsque la boîte 2 est fermée pour la première fois (Figure 4), chaque partie de charnière 10 est pliée en deux autour de l'axe d'articulation A et se situe entièrement du même côté de l'axe d'articulation A que le couvercle 6.When box 2 is closed for the first time ( Figure 4 ), each hinge part 10 is folded in half around the hinge axis A and is located entirely on the same side of the hinge axis A as the cover 6.

La portion de couvercle 14 de chaque partie de charnière 10 est repliée sur la portion de base 12 de cette partie de charnière 10 par pliage de la portion de pliage 16.The cover portion 14 of each hinge portion 10 is folded over the base portion 12 of this hinge portion 10 by folding the fold portion 16.

Par ailleurs, la languette 20 se retourne sans se plier. Elle s'étend en saillie à partir du couvercle 6 vers l'extérieur de la boîte 2, en allant au-delà de l'axe d'articulation A. Il s'ensuit que la languette 20 fait saillie par rapport à la charnière 8, au-delà de l'axe d'articulation A. La languette 20 fait en particulier saillie vers l'extérieur de la boîte par rapport à la portion de couvercle 14 de chaque partie de charnière 10.Furthermore, the tongue 20 turns around without bending. It protrudes from the cover 6 towards the outside of the box 2, going beyond the hinge axis A. It follows that the tongue 20 projects relative to the hinge 8 , beyond the articulation axis A. The tongue 20 projects in particular outwardly of the box relative to the cover portion 14 of each hinge part 10.

La languette 20 en saillie permet de faire comprendre à l'utilisateur qu'il convient de tirer sur la languette 20 pour ouvrir le couvercle 6.The protruding tongue 20 enables the user to understand that it is necessary to pull on the tongue 20 to open the cover 6.

Pour ouvrir la boîte 2 pour la première fois (Figure 5), l'utilisateur saisit et soulève la languette 20. Ceci a pour effet de rompre chaque liaison frangible 18 reliant une partie de charnière 10 au couvercle 6.To open box 2 for the first time ( Figure 5 ), the user grasps and lifts the tab 20. This has the effect of breaking each frangible connection 18 connecting a hinge part 10 to the cover 6.

En option, la boîte 2 est munie d'un signe indiquant à l'utilisateur de tirer sur la languette 20 pour ouvrir le couvercle. L'indication peut être formée en creux ou en relief sur la languette 20, sur le couvercle 6 ou sur la base 4.Optionally, the box 2 is provided with a sign indicating the user to pull the tab 20 to open the cover. The indication may be formed in hollow or in relief on the tongue 20, on the cover 6 or on the base 4.

Comme visible sur les Figures 1 et 2, dans l'exemple illustré, la charnière 8 comprend deux parties de charnière 10 disposées de part et d'autre de la languette 20. La languette 20 se situe le long de l'axe d'articulation A entre les deux parties de charnière 10. Les deux parties de charnières 10 sont espacées l'une de l'autre le long de l'axe d'articulation A.As visible on the Figures 1 and 2 , in the example illustrated, the hinge 8 comprises two hinge parts 10 arranged on either side of the tab 20. The tab 20 is located along the hinge axis A between the two hinge parts 10 The two hinge parts 10 are spaced from each other along the hinge axis A.

La charnière 8 et la languette 20 sont formées dans un film de matière 22 reliant initialement la base 4 et le couvercle 6, avant la première fermeture et la première ouverture de la boîte 2.The hinge 8 and the tab 20 are formed in a film of material 22 initially connecting the base 4 and the cover 6, before the first closing and the first opening of the box 2.

La languette 20 est découpée dans le film de matière 22 suivant une ligne de découpe 24.Tab 20 is cut from film of material 22 along a cutting line 24.

Dans l'exemple illustré, la ligne de découpe 24 présente une forme en U, dont les deux branches sont sensiblement perpendiculaires à l'axe d'articulation A.In the example illustrated, the cut line 24 has a U-shape, the two branches of which are substantially perpendicular to the articulation axis A.

Chaque partie de charnière 10 est formée dans le film de matière 22. Chaque partie de charnière 10 résulte en partie de la découpe de la languette 20.Each hinge part 10 is formed in the film of material 22. Each hinge part 10 results in part from the cutting of the tab 20.

La liaison frangible 18 reliant chaque partie de charnière 10 au couvercle 6 s'étend à partir d'une extrémité de la ligne de découpe 24 de la languette 20. Ainsi, lorsque la languette 20 est tirée, chaque liaison frangible 18 est immédiatement sollicitée, ce qui permet une rupture facile et rapide de liaison frangible 18.The frangible link 18 connecting each hinge part 10 to the cover 6 extends from one end of the cut line 24 of the tongue 20. Thus, when the tongue 20 is pulled, each frangible link 18 is immediately stressed, which allows an easy and rapid breaking of the frangible link 18.

Dans l'exemple illustré, chaque liaison frangible 18 s'étend à partir d'une extrémité respective de la ligne de découpe 24.In the example illustrated, each frangible link 18 extends from a respective end of the cut line 24.

Avantageusement chaque liaison frangible 18 s'étend depuis une extrémité de la ligne de découpe 24 jusqu'à un bord 26 du film de matière 22 en traversant la partie de charnière correspondante.Advantageously, each frangible connection 18 extends from one end of the cutting line 24 to an edge 26 of the film of material 22, passing through the corresponding hinge part.

Dans l'exemple illustré, le film de matière 22 possède deux bords 26 opposés et chaque liaison frangible 18 s'étend vers un bord 26 respectif du film charnière 22. Les deux liaisons frangibles 18 s'étendent progressivement à l'écart l'une de l'autre.In the example illustrated, the film of material 22 has two opposite edges 26 and each frangible link 18 extends towards a respective edge 26 of the hinge film 22. The two frangible links 18 extend progressively away from one another. the other.

Dans l'exemple illustré, chaque liaison frangible 18 s'étend radialement par rapport à l'axe d'articulation A à partir de la ligne de découpe 24, puis tourne sensiblement à 90° pour s'étendre axialement par rapport à l'axe d'articulation A, en rejoignant le bord 26 du film de matière 22.In the example illustrated, each frangible link 18 extends radially with respect to the hinge axis A from the cut line 24, then turns substantially through 90 ° to extend axially with respect to the axis articulation A, joining the edge 26 of the film of material 22.

La base 4 et le couvercle 6 comprennent des reliefs de fermeture complémentaires permettant de maintenir le couvercle 6 en position fermée. Les reliefs de fermeture complémentaires sont configurés pour être engagés à force l'un dans l'autre.The base 4 and the cover 6 include complementary closure reliefs making it possible to keep the cover 6 in the closed position. The complementary closure reliefs are configured to be forcibly engaged one into the other.

Les reliefs de fermeture complémentaires comprennent ici une nervure de fermeture 30 circonférentielle portée par le couvercle 6 et une gorge de fermeture 32 circonférentielle complémentaire ménagée sur la base 4, prévue pour s'engager à force l'une dans l'autre lors de la fermeture du couvercle 6.The complementary closure reliefs here comprise a circumferential closure rib 30 carried by the cover 6 and a complementary circumferential closure groove 32 formed on the base 4, provided to engage by force one in the other during the closure. cover 6.

La base 4 est munie d'un talon 34 de protection circonférentiel entourant le couvercle 6 et faisant saillie vers le haut par rapport au bord périphérique 36 du couvercle 6 lorsque le couvercle 6 est fermé. Ainsi, le talon 34 empêche un utilisateur de saisir le bord périphérique 36 du couvercle 6 fermé pour ouvrir ce dernier.The base 4 is provided with a heel 34 for circumferential protection surrounding the cover 6 and projecting upwardly with respect to the peripheral edge 36 of the cover 6 when the cover 6 is closed. Thus, the heel 34 prevents a user from grasping the peripheral edge 36 of the closed cover 6 to open the latter.

Le talon 34 est interrompu dans une zone de passage 38 (ou encoche) située circonférentiellement au droit de la charnière 8 et de la languette 20. Cette zone de passage 38 permet le passage de chaque partie de charnière 10 et de la languette 20 vers l'extérieur, à partir du bord périphérique 36 du couvercle 6.The heel 34 is interrupted in a passage zone 38 (or notch) situated circumferentially in line with the hinge 8 and the tongue 20. This passage zone 38 allows the passage of each part of the hinge 10 and of the tongue 20 towards the 'outside, from the peripheral edge 36 of the cover 6.

En fonctionnement, pour la première ouverture de la boîte 4, l'utilisateur maintient la base 4 et tire la languette 20 vers le haut de manière à séparer le couvercle 6 de la base 4 (Figure 4).In operation, for the first opening of the box 4, the user holds the base 4 and pulls the tab 20 upwards so as to separate the cover 6 from the base 4 ( Figure 4 ).

La traction exercée sur la languette 20 jointive à chaque partie de charnière 10 permet une rupture rapide et facile de chaque liaison frangible 18.The traction exerted on the tongue 20 contiguous to each hinge part 10 allows rapid and easy breaking of each frangible link 18.

La languette 20 étant située entre les deux parties de charnière 10, la traction de la languette 20 permet de rompre facilement les parties de charnière 10.Since the tongue 20 is located between the two hinge parts 10, the pulling of the tongue 20 makes it possible to easily break the hinge parts 10.

La localisation et les formes des liaisons frangibles 18 située entre les portions de couvercle 14 des parties de charnière 10 et le couvercle 6 assurent une rupture rapide et facile dès lors que la languette 20 est tirée.The location and shapes of the frangible links 18 located between the cover portions 14 of the hinge parts 10 and the cover 6 ensure rapid and easy breaking as soon as the tab 20 is pulled.

En outre, la languette 20 étant située entre les deux parties de charnière 10, il existe une faible longueur du bord périphérique 36 restant libre entre chaque partie de charnière 10 et le talon 34 de protection. La boîte 2 est donc bien protégée contre une ouverture frauduleuse.In addition, the tongue 20 being located between the two hinge parts 10, there is a small length of the peripheral edge 36 remaining free between each hinge part 10 and the heel 34 of protection. Box 2 is therefore well protected against fraudulent opening.

Après la première ouverture du couvercle 6, ce dernier est séparé de la base 4. Il est possible de refermer le couvercle 6 (Figure 6).After opening the cover 6 for the first time, it is separated from the base 4. It is possible to close the cover 6 ( Figure 6 ).

Cependant, les portions de couvercles 14 forment des témoins de première ouverture en restant solidaires de la base 4 et dissociées du couvercle 6, et en étant saillantes. L'utilisateur sait ainsi que la boîte 2 a déjà été ouverte.However, the cover portions 14 form first opening indicators while remaining integral with the base 4 and separate from the cover 6, and by being protruding. The user thus knows that box 2 has already been opened.

L'invention n'est pas limitée aux exemples de réalisation illustrés, des variantes étant possibles.The invention is not limited to the exemplary embodiments illustrated, variants being possible.

Par ailleurs, le positionnement de la languette 20 entre deux parties de charnières est avantageux indépendamment du fait que la languette 20 fasse saillie vers l'extérieur de la boîte 2 fermée en dépassant l'axe d'articulation A, en particulier lorsque la languette 20 est jointive à chaque partie de charnière 10, et notamment délimitée par une ligne de découpe 24 dans le film de matière 22 dans lequel est formée la charnière 8.Furthermore, the positioning of the tongue 20 between two hinge parts is advantageous regardless of the fact that the tongue 20 protrudes outwards from the closed box 2 by exceeding the hinge axis A, in particular when the tongue 20 is contiguous to each hinge part 10, and in particular delimited by a cut line 24 in the film of material 22 in which the hinge 8 is formed.

Claims (10)

  1. A box with a first opening indicator, the box being made in a single piece of plastic and comprising a base (4) and a lid (6) connected by a film of material (22) in which a hinge (8) is formed comprising at least one hinge part (10) configured to fold along an articulation axis (A) for the first closing of the lid (6), each hinge part (10) comprising a base portion (12) secured to the base (4) and a lid portion (14) secured to the lid (6), the base portion (12) and the lid portion (14) being connected by a folding portion (16) extending along the articulation axis (A), each hinge part (10) being configured to fold by folding of its folding portion (16), the lid portion (14) being folded onto the base portion (12), the box comprising a tongue (20) extending from the lid (6) and beyond the articulation axis (A), such that when the box is closed, the tongue (20) extends toward the outside of the box from the lid (6) while protruding relative to the hinge (8) beyond the articulation axis (A), characterized in that the lid portion (14) of each hinge part (10) is connected to the lid (6) by a frangible connection (18) configured to break upon the first opening of the lid (6), pulling on the tongue (20) making it possible to open the lid (6) by breaking each frangible connection (18), the lid portion (14) of the corresponding hinge part (10) remaining secured to the base (4) and separate from the lid (6), in a protruding state.
  2. The box according to claim 1, wherein the tongue (20) is formed in the material film (22).
  3. The box according to claim 1 or claim 2, wherein the tongue (20) is cut in the material film (22) along a cutting line.
  4. The box according to any one of the preceding claims, wherein the tongue (20) is jointed with each hinge part (10).
  5. The box according to any one of the preceding claims, wherein the hinge has two hinge parts (10) located on either side of the tongue (20).
  6. The box according to any one of the preceding claims, wherein each frangible connection (18) extends from one end of a cutting line of the tongue (20).
  7. The box according to claim 6, wherein each frangible connection (18) extends from an end of the cutting line (24) to an edge (26) of the material film (22) while traversing the corresponding hinge part.
  8. The box according to any one of the preceding claims, wherein the base (4) has a circumferential protective spur (34) raised relative to the peripheral edge (36) of the lid (6) when the latter is closed, the peripheral protective spur (34) being interrupted in a passage zone (38) through which each hinge part (10) and the tongue (20) extend.
  9. The box according to any one of the preceding claims, wherein the base (4) and the lid (6) comprise complementary closing reliefs (30, 32) configured to be inserted forcibly into one another so as to keep the lid (6) closed.
  10. The box according to any one of the preceding claims, wherein the base (4) and the lid (6) each have a generally circular shape.
EP18202942.1A 2017-10-27 2018-10-26 Plastic box with first opening indicator Active EP3476763B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1760197A FR3072950B1 (en) 2017-10-27 2017-10-27 PLASTIC BOX WITH FIRST OPENING INDICATOR

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EP3476763A1 EP3476763A1 (en) 2019-05-01
EP3476763B1 true EP3476763B1 (en) 2020-07-29

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Application Number Title Priority Date Filing Date
EP18202942.1A Active EP3476763B1 (en) 2017-10-27 2018-10-26 Plastic box with first opening indicator

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US (1) US20190127125A1 (en)
EP (1) EP3476763B1 (en)
FR (1) FR3072950B1 (en)
RU (1) RU2018137964A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11279534B2 (en) * 2019-04-16 2022-03-22 Pactiv LLC Tamper-evident plastic container
USD920100S1 (en) 2019-04-16 2021-05-25 Pactiv LLC Tamper-evident feature for a container
US11479389B2 (en) 2020-05-20 2022-10-25 Anchor Packaging, Llc Tamper evident plastic food container
US11479392B2 (en) * 2020-05-20 2022-10-25 Anchor Packaging, Llc Tamper evident plastic food container
TWI737489B (en) * 2020-09-10 2021-08-21 禾益佳股份有限公司 Container with function of preventing malicious opening

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Publication number Priority date Publication date Assignee Title
US7568589B2 (en) * 2005-06-24 2009-08-04 Pwp Industries Edge-tearing tamper-evident container
US8833589B2 (en) * 2005-12-21 2014-09-16 Pactiv Packaging Inc. Enhanced tamper evident bowl with blocked tab
US20090090712A1 (en) * 2007-10-09 2009-04-09 Terry Vovan Dip packaging system
US9676527B2 (en) * 2013-03-21 2017-06-13 Placon Corporation Tamper resistant container
US10220985B2 (en) * 2016-10-28 2019-03-05 Genpak, Llc Tamper-evident container with a tabbed hinge

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Also Published As

Publication number Publication date
RU2018137964A3 (en) 2022-02-15
US20190127125A1 (en) 2019-05-02
EP3476763A1 (en) 2019-05-01
FR3072950B1 (en) 2021-04-23
FR3072950A1 (en) 2019-05-03
RU2018137964A (en) 2020-04-29

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