EP1067054B1 - Box with a reinforced closure - Google Patents

Box with a reinforced closure Download PDF

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Publication number
EP1067054B1
EP1067054B1 EP00401912A EP00401912A EP1067054B1 EP 1067054 B1 EP1067054 B1 EP 1067054B1 EP 00401912 A EP00401912 A EP 00401912A EP 00401912 A EP00401912 A EP 00401912A EP 1067054 B1 EP1067054 B1 EP 1067054B1
Authority
EP
European Patent Office
Prior art keywords
tongue
fact
flap
box
box according
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
EP00401912A
Other languages
German (de)
French (fr)
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EP1067054A1 (en
Inventor
Chrystel Frenois
Philippe Renault
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOreal SA
Original Assignee
LOreal SA
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Filing date
Publication date
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Publication of EP1067054A1 publication Critical patent/EP1067054A1/en
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Publication of EP1067054B1 publication Critical patent/EP1067054B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D5/00Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/02Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
    • B65D5/0254Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body with end closures formed by inward folding of flaps and securing them by means of a tongue integral with one of the flaps
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S206/00Special receptacle or package
    • Y10S206/807Tamper proof

Definitions

  • the present invention relates to a box according to the preamble of claim 1, more particularly one of the type comprising a body of square or rectangular section comprising a front panel and a rear panel connected by two side panels, the front and rear panels and the side panels being made by folding a sheet material, the body of the box having at least one opening and an associated closure device.
  • the closure device comprises on the one hand two lateral flaps made by folding in the extension each of a side panel, each lateral flap having a front edge located on the front longitudinal panel side, and on the other hand a flap comprising a cover portion intended to be folded over the side flaps and made by folding in the extension of the rear panel.
  • This flap further comprises a tongue made by folding in the extension of the cover portion. The latter thus has one end connected to the rear panel and one end connected to the tongue. When closing, the tongue is intended to be inserted between the front panel and the front edge of the side flaps.
  • a slot is made at the distal end of the lid portion and the side flaps are arranged to be superimposed prior to the introduction of the flap and have teeth for engaging in the slot above when the closure device is in its closed configuration.
  • Such a reinforced closure device is not entirely aesthetically satisfactory because the slot made at the distal end of the lid portion remains apparent once the box is closed. Thus this device is not suitable for closing the upper opening of the box, because the slot would be easily visible by the consumer during the presentation on the shelf.
  • this slot is likely to create tear primers.
  • Such a reinforced closure device must make it more difficult to open the box and prevent for example a consumer can easily open the box, test its contents, then close it.
  • the patent GB 289,127 discloses a box having side flaps having cutouts.
  • the box further comprises a cover having a tab devoid of cutout in the middle of its side edge.
  • a box having a body comprising a front panel and a rear panel connected by two side panels, the side panels and the front and rear panels being made by folding a sheet material, the body of the box having at least one opening and an associated closure device, this closure device comprising two lateral flaps each made by folding in the extension of a side panel, each side flap having a front edge located on the front panel side, the closure device also comprising a flap formed in the extension of the rear panel, this flap comprising a cover portion to be folded over the side flaps and a tongue intended to be inserted between the front panel and the front edge of the side flaps when the closure device is in its closed configuration, the tongue having an inner face facing the rear panel when the e closure device is in its closed configuration, the tongue having, on the side of its inner face, at least a specific stop surface to protrude under the side flaps when the closure device is in its closed configuration.
  • the subject of the invention is a box as defined in claim 1.
  • each cutout defines in the region of the side flap adjacent to its distal edge and at its front edge a first tab under which the abutment surface is adapted to bear.
  • Each cutout also advantageously defines in the region of the side flap adjacent to its proximal edge and at its front edge a second tab under which the abutment surface is adapted to bear.
  • the tongue comprises in the middle of its distal edge a cutout defining on either side of it advances to engage in the gaps formed by the cutouts of the side flaps with the front panel.
  • the tongue can be partially engaged between the side flaps and the front panel before meeting them, which facilitates its implementation.
  • the side flaps are independent of the flap, which facilitates the mounting of the box.
  • the lateral flaps are arranged to fall back into the opening of the body of the box without being superimposed.
  • the abutment surface of the tongue can bear substantially uniformly under the two lateral flaps, whereas in the case of superposition of the lateral flaps the abutment surface would be more in abutment on one of the lateral flaps, which is not desirable.
  • the distal edges of the side flaps are substantially contiguous when the closure device is in its closed configuration.
  • the abutment surface of the tongue extends over substantially the entire width thereof.
  • the abutment surface of the tab is located near the distal end of the lid portion.
  • the abutment surface thus bears under the side flaps at the end of the insertion of the tongue between the front panel and the front edge of the side flaps.
  • the abutment surface of the tongue is constituted by an extra thickness of the flap.
  • the flap may have in this particular embodiment, at the tongue, a thickness twice that at the lid portion.
  • the abutment surface is constituted by a folded portion on itself of the tongue.
  • the body of the box has a second opening, this second opening being provided with a closure device associated with the same or not to the first.
  • the box is made by cutting, folding and gluing a sheet of cardboard, possibly plasticized, preferably having less than 2 mm thick.
  • the box 1 shown in Figures 1 and 3 comprises a body 2 of vertically elongate shape, of substantially square cross section, comprising a front longitudinal panel 3 and a rear longitudinal panel 4 connected by two side panels 5 and 6.
  • the body 2 is made by folding and cutting, as illustrated in Figure 2, a sheet material, for example cardboard, possibly plasticized and coated with an external decoration.
  • a sheet material for example cardboard, possibly plasticized and coated with an external decoration.
  • An assembly strip 7 is made on the side of the front panel 3.
  • This joining strip 7 is bonded to the side panel 5 to form the body 2, after folding the sheet material around parallel fold lines 10, 11 and 12 respectively separating the rear panel 4 of the left side panel 5, the side panel right 6 of the rear panel 4 and the front panel 3 of the side panel 6.
  • the connecting strip 7 is connected to the front panel 3 by a fold line 13 parallel to the folding lines 10, 11 and 12 above.
  • the body 2 of the box has an upper opening 15 and a lower opening, not shown in Figure 1, a closure device 20 being associated with the upper opening 15 and a closure device 30 being associated at the bottom opening.
  • the closing device 20 comprises two lateral flaps 21 and 22 made respectively in the upper extension of the side panels 5 and 6 and a flap 23 made in the upper extension of the rear panel 4, between the lateral flaps 21 and 22.
  • the closure device 30 similarly comprises two lateral flaps 31 and 32 respectively formed in the lower extension of the side panels 5 and 6 and a flap 33 formed in the lower extension of the rear panel 4.
  • Each lateral flap 21 or 22 has a proximal end 25 through which it is connected to the associated lateral panel, this proximal end coinciding with a perpendicular fold line in FIG. 2 at fold lines 10 to 13.
  • Each lateral flap 21 or 22 also has a distal edge 26 opposite the proximal end 25, a leading edge 27 connecting the proximal end 25 and the distal edge 26 of the front panel side 3 when the body 2 of the box is assembled, and a rear edge 28 opposite the front edge 27.
  • Each leading edge 27 has in its central region a cut-out 29 defining in the region of each lateral flap adjacent to the front edge 27 and at the distal end 26 a first tab 35 and in the region adjacent to the proximal end 25 and at the edge. before 27 a second leg 36.
  • the flap 23 has a lid portion 37 having a proximal end 38 through which it is connected to the back panel 4 and a distal end 39 by which it is connected to a tab 40.
  • proximal end 38 and distal end 39 coincide with fold lines parallel to each other and perpendicular in FIG. 2 to fold lines 10 to 13.
  • the flap 33 of the closing device 30 also has a lid portion 65 provided on the opposite side to the rear panel 4 of a tongue 46.
  • the lateral flaps 21 and 22 are placed in the opening 15, as illustrated in FIG. 5, and then the flap 23 is folded down on the lateral flaps 21 and 22.
  • the tongue 40 is inserted when the flap 23 is lowered between the front edge 27 of the side flaps 21 and 22 and the front panel 3.
  • the tongue 40 then has inside the box an inner face 45 facing the rear panel 4, and comprises, on the side of this inner face 45, a stop surface 50, able to bear under the lateral flaps 21 and 22 to oppose the opening of the flap 23.
  • the abutment surface 50 is formed by a recess formed by an extra thickness of the flap 23 at the tongue 40, which can be made by bonding a second sheet on a first sheet used to achieve the body of the box.
  • the extra thickness may be formed by folding and gluing on itself a portion of the sheet used to make the body of the box.
  • the abutment surface 50 thus opposes the opening of the box and it is necessary to release the flap 23 to force on it to deform the first tabs 35 and the second tabs 36 to cross the tongue 40 the front edge 23 of the side flaps 21 and 22.
  • the distal edge 55 of the tongue 40 advantageously comprises, as shown in the figures, a cutout 56 in its central region, defining on either side thereof two projections 57 arranged to engage in the intervals 58 formed by the cutouts 29 of the side flaps 21 and 22 with the front panel 3, which facilitates the introduction of the tongue 40.
  • the rear edge 28 of the side flaps 21 and 22 is advantageously cut slightly recessed, as shown in the figures.
  • the closing device 30 When the closing device 30 is in its closed configuration, the lateral flaps 31 and 32 have been folded into the lower opening and the flap 33 folded over them, the tongue 46 being engaged between the lateral flaps 31 and 32 and the front panel 3.
  • the abutment surface may be made other than by joining two layers of sheet material.
  • the abutment surface 60 abuts, as illustrated in FIG. 7, under the lateral flaps 21 and 22 when the box is closed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Paper (AREA)
  • Patch Boards (AREA)

Abstract

The carton (1) has an opening (15) and a closure (20) with two side flaps (21,22) connected by folding to the sidewalls (5,6). Each side flap has a cut out (29) on its front edge (27) to facilitate the insertion of the tongue (40) on a rear flap (23) between the front panel (3) of the carton and the side flaps. Each cut out has a stop foot (35) to receive an abutment surface (50,60) on the tongue.

Description

La présente invention concerne une boîte selon le préambule de la revendication 1, plus particulièrement une du type comportant un corps de section carrée ou rectangulaire comprenant un panneau avant et un panneau arrière reliés par deux panneaux latéraux, les panneaux avant et arrière et les panneaux latéraux étant réalisés par pliage d'un matériau en feuille, le corps de la boîte comportant au moins une ouverture et un dispositif de fermeture associé.The present invention relates to a box according to the preamble of claim 1, more particularly one of the type comprising a body of square or rectangular section comprising a front panel and a rear panel connected by two side panels, the front and rear panels and the side panels being made by folding a sheet material, the body of the box having at least one opening and an associated closure device.

On connaît par le brevet européen EP-B1-0 318 750 une boîte dans laquelle le dispositif de fermeture comporte d'une part deux volets latéraux réalisés par pliage dans le prolongement chacun d'un panneau latéral, chaque volet latéral ayant un bord avant situé du côté du panneau longitudinal avant, et d'autre part un rabat comprenant une partie formant couvercle destiné à être rabattue sur les volets latéraux et réalisée par pliage dans le prolongement du panneau arrière. Ce rabat comporte en outre une languette réalisée par pliage dans le prolongement de la partie formant couvercle. Cette dernière présente ainsi une extrémité reliée au panneau arrière et une extrémité reliée à la languette. Lors de la fermeture, la languette est destinée à être insérée entre le panneau avant et le bord avant des volets latéraux.We know by the patent European EP-B1-0 318 750 a box in which the closure device comprises on the one hand two lateral flaps made by folding in the extension each of a side panel, each lateral flap having a front edge located on the front longitudinal panel side, and on the other hand a flap comprising a cover portion intended to be folded over the side flaps and made by folding in the extension of the rear panel. This flap further comprises a tongue made by folding in the extension of the cover portion. The latter thus has one end connected to the rear panel and one end connected to the tongue. When closing, the tongue is intended to be inserted between the front panel and the front edge of the side flaps.

Pour assurer une fermeture renforcée, une fente est réalisée au niveau de l'extrémité distale de la partie formant couvercle et les volets latéraux sont agencés pour se superposer avant la mise en place du rabat et comportent des dents destinées à s'engager dans la fente précitée lorsque le dispositif de fermeture est dans sa configuration de fermeture.To ensure a reinforced closure, a slot is made at the distal end of the lid portion and the side flaps are arranged to be superimposed prior to the introduction of the flap and have teeth for engaging in the slot above when the closure device is in its closed configuration.

Un tel dispositif de fermeture renforcée n'est pas entièrement satisfaisant sur le plan esthétique du fait que la fente réalisée au niveau de l'extrémité distale de la partie formant couvercle reste apparente une fois la boîte fermée. Ainsi ce dispositif ne convient pas pour fermer l'ouverture supérieure de la boîte, car la fente serait aisément visible par le consommateur lors de la présentation en rayon.Such a reinforced closure device is not entirely aesthetically satisfactory because the slot made at the distal end of the lid portion remains apparent once the box is closed. Thus this device is not suitable for closing the upper opening of the box, because the slot would be easily visible by the consumer during the presentation on the shelf.

De plus, cette fente est susceptible de créer des amorces de déchirure.In addition, this slot is likely to create tear primers.

Il existe donc un besoin pour disposer d'un dispositif de fermeture renforcé procurant à la boîte un aspect extérieur satisfaisant.There is therefore a need for a reinforced closure device providing the box a satisfactory external appearance.

Un tel dispositif de fermeture renforcée doit rendre plus difficile l'ouverture de la boîte et empêcher par exemple qu'un consommateur puisse sans difficulté ouvrir la boîte, tester son contenu, puis refermer celle-ci.Such a reinforced closure device must make it more difficult to open the box and prevent for example a consumer can easily open the box, test its contents, then close it.

On connaît par le modèle d'utilité DE 93 18 993 une boîte comportant des volets latéraux présentant des découpures définissant des pattes venant s'engager dans une fente réalisée sur le bord avant du couvercle. Le couvercle comporte une languette avant dépourvue de surface formant butée propre à faire saillie sous les volets latéraux.We know by the utility model DE 93 18 993 a box having side flaps having cutouts defining tabs engaging in a slot made on the front edge of the lid. The cover has a front tongue without a surface forming stop adapted to project under the side flaps.

Le brevet GB 289 127 décrit une boîte comportant des volets latéraux ayant des découpures. La boîte comporte en outre un couvercle ayant une languette dépourvue de découpure au milieu de son bord latéral.The patent GB 289,127 discloses a box having side flaps having cutouts. The box further comprises a cover having a tab devoid of cutout in the middle of its side edge.

On connaît par ailleurs par le modèle d'utilité DE-U-29620217 une boîte comportant un corps comprenant un panneau avant et un panneau arrière reliés par deux panneaux latéraux, les panneaux latéraux et les panneaux avant et arrière étant réalisés par pliage d'un matériau en feuille, le corps de la boîte comportant au moins une ouverture et un dispositif de fermeture associé, ce dispositif de fermeture comportant deux volets latéraux réalisés chacun par pliage dans le prolongement d'un panneau latéral, chaque volet latéral ayant un bord avant situé du côté du panneau avant, le dispositif de fermeture comportant également un rabat formé dans le prolongement du panneau arrière, ce rabat comprenant une partie formant couvercle à rabattre sur les volets latéraux et une languette destinée à être insérée entre le panneau avant et le bord avant des volets latéraux lorsque le dispositif de fermeture est dans sa configuration de fermeture, la languette ayant une face intérieure située en regard du panneau arrière lorsque le dispositif de fermeture est dans sa configuration de fermeture, la languette comportant, du côté de sa face intérieure, au moins une surface formant butée propre à faire saillie sous les volets latéraux lorsque le dispositif de fermeture est dans sa configuration de fermeture.We also know by the utility model DE-U-29620217 a box having a body comprising a front panel and a rear panel connected by two side panels, the side panels and the front and rear panels being made by folding a sheet material, the body of the box having at least one opening and an associated closure device, this closure device comprising two lateral flaps each made by folding in the extension of a side panel, each side flap having a front edge located on the front panel side, the closure device also comprising a flap formed in the extension of the rear panel, this flap comprising a cover portion to be folded over the side flaps and a tongue intended to be inserted between the front panel and the front edge of the side flaps when the closure device is in its closed configuration, the tongue having an inner face facing the rear panel when the e closure device is in its closed configuration, the tongue having, on the side of its inner face, at least a specific stop surface to protrude under the side flaps when the closure device is in its closed configuration.

Il existe un besoin pour améliorer une boîte de ce type, notamment afin de faciliter son montage.There is a need to improve a box of this type, in particular to facilitate its mounting.

L'invention a pour objet une boîte telle que définie dans la revendication 1.The subject of the invention is a box as defined in claim 1.

Grâce aux découpures réalisées sur les volets latéraux, ces derniers peuvent se déformer plus facilement, le cas échéant, ce qui rend plus aisée la mise en place de la languette.Thanks to the cuts made on the side flaps, they can deform more easily, if necessary, which makes it easier to install the tongue.

Selon l'invention, chaque découpure définit dans la région du volet latéral adjacente à son bord distal et à son bord avant une première patte sous laquelle la surface formant butée est propre à venir en appui.According to the invention, each cutout defines in the region of the side flap adjacent to its distal edge and at its front edge a first tab under which the abutment surface is adapted to bear.

Chaque découpure définit également, de manière avantageuse, dans la région du volet latéral adjacente à son bord proximal et à son bord avant une deuxième patte sous laquelle la surface formant butée est propre à venir en appui.Each cutout also advantageously defines in the region of the side flap adjacent to its proximal edge and at its front edge a second tab under which the abutment surface is adapted to bear.

Selon l'invention, la languette comporte au milieu de son bord distal une découpure définissant de part et d'autre de celle-ci des avancées propres à s'engager dans les intervalles formés par les découpures des volets latéraux avec le panneau avant.According to the invention, the tongue comprises in the middle of its distal edge a cutout defining on either side of it advances to engage in the gaps formed by the cutouts of the side flaps with the front panel.

Ainsi la languette peut être partiellement engagée entre les volets latéraux et le panneau avant avant de les rencontrer, ce qui facilite sa mise en place.Thus the tongue can be partially engaged between the side flaps and the front panel before meeting them, which facilitates its implementation.

Avantageusement, les volets latéraux sont indépendants du rabat, ce qui facilite le montage de la boîte.Advantageously, the side flaps are independent of the flap, which facilitates the mounting of the box.

Avantageusement, les volets latéraux sont agencés pour se rabattre dans l'ouverture du corps de la boîte sans se superposer.Advantageously, the lateral flaps are arranged to fall back into the opening of the body of the box without being superimposed.

Ainsi, la surface formant butée de la languette peut venir en appui de manière sensiblement uniforme sous les deux volets latéraux, alors qu'en cas de superposition des volets latéraux la surface formant butée viendrait davantage en appui sur l'un des volets latéraux, ce qui n'est pas souhaitable.Thus, the abutment surface of the tongue can bear substantially uniformly under the two lateral flaps, whereas in the case of superposition of the lateral flaps the abutment surface would be more in abutment on one of the lateral flaps, which is not desirable.

De plus, il est relativement inesthétique de faire se superposer les volets latéraux car cela peut rompre l'harmonie du conditionnement.In addition, it is relatively unsightly to overlap the side flaps because it can break the harmony of the packaging.

De préférence, les bords distaux des volets latéraux sont sensiblement jointifs lorsque le dispositif de fermeture est dans sa configuration de fermeture.Preferably, the distal edges of the side flaps are substantially contiguous when the closure device is in its closed configuration.

De préférence, la surface formant butée de la languette s'étend sur sensiblement toute la largeur de celle-ci.Preferably, the abutment surface of the tongue extends over substantially the entire width thereof.

De préférence encore, la surface formant butée de la languette est située à proximité de l'extrémité distale de la partie formant couvercle.More preferably, the abutment surface of the tab is located near the distal end of the lid portion.

La surface formant butée vient ainsi en appui sous les volets latéraux à la fin de l'insertion de la languette entre le panneau avant et le bord avant des volets latéraux.The abutment surface thus bears under the side flaps at the end of the insertion of the tongue between the front panel and the front edge of the side flaps.

Dans une réalisation particulière, la surface formant butée de la languette est constituée par une surépaisseur du rabat.In a particular embodiment, the abutment surface of the tongue is constituted by an extra thickness of the flap.

Le rabat peut présenter dans cette réalisation particulière, au niveau de la languette, une épaisseur double de celle au niveau de la partie formant couvercle.The flap may have in this particular embodiment, at the tongue, a thickness twice that at the lid portion.

Dans une autre réalisation particulière, la surface formant butée est constituée par une partie repliée sur elle-même de la languette.In another particular embodiment, the abutment surface is constituted by a folded portion on itself of the tongue.

Avantageusement, le corps de la boîte comporte une deuxième ouverture, cette deuxième ouverture étant munie d'un dispositif de fermeture associé identique ou non au premier.Advantageously, the body of the box has a second opening, this second opening being provided with a closure device associated with the same or not to the first.

La boîte est réalisée par découpage, pliage et collage d'une feuille de carton, éventuellement plastifiée, ayant de préférence moins de 2 mm d'épaisseur.The box is made by cutting, folding and gluing a sheet of cardboard, possibly plasticized, preferably having less than 2 mm thick.

D'autres caractéristiques et avantages de la présente invention apparaîtront à la lecture de la description détaillée qui va suivre, d'exemples de mise en oeuvre non limitatifs de l'invention, et à l'examen du dessin annexé sur lequel :

  • la figure 1 est une vue schématique en perspective d'une boîte conforme à l'invention,
  • la figure 2 représente la boîte avant pliage du matériau en feuille qui la constitue,
  • la figure 3 est une coupe du rabat dans un plan parallèle aux panneaux latéraux, faisant apparaître une surépaisseur au niveau de la languette,
  • la figure 4 est une vue analogue à la figure 3, représentant une variante de réalisation,
  • la figure 5 représente le positionnement des volets latéraux avant la mise en place du rabat,
  • la figure 6 est une section de la partie supérieure avant de la boîte dans un plan de coupe parallèle aux panneaux latéraux illustrant le positionnement relatif de la languette et des volets latéraux lorsque la boîte est fermée, et
  • la figure 7 est une vue analogue à la figure 6 lorsque la surface formant butée est constituée par une partie repliée sur elle-même de la languette.
Other features and advantages of the present invention will become apparent on reading the following detailed description of examples of non-limiting implementation of the invention, and on examining the appended drawing in which:
  • FIG. 1 is a schematic perspective view of a box according to the invention,
  • FIG. 2 represents the box before folding of the sheet material which constitutes it,
  • Figure 3 is a section of the flap in a plane parallel to the side panels, showing an extra thickness at the tongue,
  • FIG. 4 is a view similar to FIG. 3, showing an alternative embodiment,
  • FIG. 5 represents the positioning of the lateral flaps before the flap is put in place,
  • Figure 6 is a section of the upper front of the box in a sectional plane parallel to the side panels illustrating the relative positioning of the tongue and side flaps when the box is closed, and
  • Figure 7 is a view similar to Figure 6 when the abutment surface is constituted by a folded portion on itself of the tongue.

La boîte 1 représentée sur les figures 1 et 3 comporte un corps 2 de forme allongée verticalement, de section transversale sensiblement carrée, comprenant un panneau longitudinal avant 3 et un panneau longitudinal arrière 4 reliés par deux panneaux latéraux 5 et 6.The box 1 shown in Figures 1 and 3 comprises a body 2 of vertically elongate shape, of substantially square cross section, comprising a front longitudinal panel 3 and a rear longitudinal panel 4 connected by two side panels 5 and 6.

Le corps 2 est réalisé par pliage et découpage, comme illustré sur la figure 2, d'un matériau en feuille, par exemple du carton, éventuellement plastifié et revêtu d'un décor extérieur.The body 2 is made by folding and cutting, as illustrated in Figure 2, a sheet material, for example cardboard, possibly plasticized and coated with an external decoration.

Une bande d'assemblage 7 est réalisée sur le côté du panneau avant 3.An assembly strip 7 is made on the side of the front panel 3.

Cette bande d'assemblage 7 est collée au panneau latéral 5 pour former le corps 2, après pliage du matériau en feuille autour de lignes de pliage parallèles 10, 11 et 12 séparant respectivement le panneau arrière 4 du panneau latéral gauche 5, le panneau latéral droit 6 du panneau arrière 4 et le panneau avant 3 du panneau latéral 6.This joining strip 7 is bonded to the side panel 5 to form the body 2, after folding the sheet material around parallel fold lines 10, 11 and 12 respectively separating the rear panel 4 of the left side panel 5, the side panel right 6 of the rear panel 4 and the front panel 3 of the side panel 6.

La bande d'assemblage 7 est reliée au panneau avant 3 par une ligne de pliage 13 parallèle aux lignes de pliage 10, 11 et 12 précitées.The connecting strip 7 is connected to the front panel 3 by a fold line 13 parallel to the folding lines 10, 11 and 12 above.

Dans l'exemple représenté, le corps 2 de la boîte comporte une ouverture supérieure 15 et une ouverture inférieure, non apparente sur la figure 1, un dispositif de fermeture 20 étant associé à l'ouverture supérieure 15 et un dispositif de fermeture 30 étant associé à l'ouverture inférieure.In the example shown, the body 2 of the box has an upper opening 15 and a lower opening, not shown in Figure 1, a closure device 20 being associated with the upper opening 15 and a closure device 30 being associated at the bottom opening.

Le dispositif de fermeture 20 comporte deux volets latéraux 21 et 22 réalisés respectivement dans le prolongement supérieur des panneaux latéraux 5 et 6 et un rabat 23 réalisé dans le prolongement supérieur du panneau arrière 4, entre les volets latéraux 21 et 22.The closing device 20 comprises two lateral flaps 21 and 22 made respectively in the upper extension of the side panels 5 and 6 and a flap 23 made in the upper extension of the rear panel 4, between the lateral flaps 21 and 22.

Le dispositif de fermeture 30 comporte, de façon similaire, deux volets latéraux 31 et 32 respectivement formés dans le prolongement inférieur des panneaux latéraux 5 et 6 et un rabat 33 formé dans le prolongement inférieur du panneau arrière 4.The closure device 30 similarly comprises two lateral flaps 31 and 32 respectively formed in the lower extension of the side panels 5 and 6 and a flap 33 formed in the lower extension of the rear panel 4.

Chaque volet latéral 21 ou 22 comporte une extrémité proximale 25 par laquelle il est relié au panneau latéral associé, cette extrémité proximale coïncidant avec une ligne de pliage perpendiculaire sur la figure 2 aux lignes de pliage 10 à 13.Each lateral flap 21 or 22 has a proximal end 25 through which it is connected to the associated lateral panel, this proximal end coinciding with a perpendicular fold line in FIG. 2 at fold lines 10 to 13.

Chaque volet latéral 21 ou 22 comporte également un bord distal 26 à l'opposé de l'extrémité proximale 25, un bord avant 27 reliant l'extrémité proximale 25 et le bord distal 26 du côté du panneau avant 3 lorsque le corps 2 de la boîte est assemblé, et un bord arrière 28 à l'opposé du bord avant 27.Each lateral flap 21 or 22 also has a distal edge 26 opposite the proximal end 25, a leading edge 27 connecting the proximal end 25 and the distal edge 26 of the front panel side 3 when the body 2 of the box is assembled, and a rear edge 28 opposite the front edge 27.

Chaque bord avant 27 présente dans sa région centrale une découpure 29 définissant dans la région de chaque volet latéral adjacente au bord avant 27 et à l'extrémité distale 26 une première patte 35 et dans la région adjacente à l'extrémité proximale 25 et au bord avant 27 une deuxième patte 36.Each leading edge 27 has in its central region a cut-out 29 defining in the region of each lateral flap adjacent to the front edge 27 and at the distal end 26 a first tab 35 and in the region adjacent to the proximal end 25 and at the edge. before 27 a second leg 36.

Le rabat 23 comporte une partie formant couvercle 37 ayant une extrémité proximale 38 par laquelle elle est reliée au panneau arrière 4 et une extrémité distale 39 par laquelle elle est reliée à une languette 40.The flap 23 has a lid portion 37 having a proximal end 38 through which it is connected to the back panel 4 and a distal end 39 by which it is connected to a tab 40.

Les extrémités proximale 38 et distale 39 coïncident avec des lignes de pliage parallèles entre elles et perpendiculaires sur la figure 2 aux lignes de pliage 10 à 13.The proximal end 38 and distal end 39 coincide with fold lines parallel to each other and perpendicular in FIG. 2 to fold lines 10 to 13.

Le rabat 33 du dispositif de fermeture 30 comporte également une partie formant couvercle 65 pourvue du côté opposé au panneau arrière 4 d'une languette 46.The flap 33 of the closing device 30 also has a lid portion 65 provided on the opposite side to the rear panel 4 of a tongue 46.

Pour amener le dispositif de fermeture 20 dans sa configuration de fermeture, les volets latéraux 21 et 22 sont placés dans l'ouverture 15, comme illustré sur la figure 5, puis le rabat 23 est rabattu sur les volets latéraux 21 et 22.To bring the closing device 20 into its closed configuration, the lateral flaps 21 and 22 are placed in the opening 15, as illustrated in FIG. 5, and then the flap 23 is folded down on the lateral flaps 21 and 22.

La languette 40 est insérée lorsque le rabat 23 est abaissé entre le bord avant 27 des volets latéraux 21 et 22 et le panneau avant 3.The tongue 40 is inserted when the flap 23 is lowered between the front edge 27 of the side flaps 21 and 22 and the front panel 3.

La languette 40 présente alors à l'intérieur de la boîte une face intérieure 45 faisant face au panneau arrière 4, et comporte, du côté de cette face intérieure 45, une surface formant butée 50, propre à prendre appui sous les volets latéraux 21 et 22 pour s'opposer à l'ouverture du rabat 23.The tongue 40 then has inside the box an inner face 45 facing the rear panel 4, and comprises, on the side of this inner face 45, a stop surface 50, able to bear under the lateral flaps 21 and 22 to oppose the opening of the flap 23.

Plus particulièrement, dans l'exemple décrit, la surface formant butée 50 est constituée par un décrochement formé par une surépaisseur du rabat 23 au niveau de la languette 40, surépaisseur qui peut être réalisée en collant une deuxième feuille sur une première feuille servant à réaliser le corps de la boîte.More particularly, in the example described, the abutment surface 50 is formed by a recess formed by an extra thickness of the flap 23 at the tongue 40, which can be made by bonding a second sheet on a first sheet used to achieve the body of the box.

En variante, la surépaisseur peut être formée par pliage et collage sur elle-même d'une partie de la feuille servant à réaliser le corps de la boîte.Alternatively, the extra thickness may be formed by folding and gluing on itself a portion of the sheet used to make the body of the box.

Lorsque l'ouverture 15 est fermée, la surface formant butée 50 vient prendre appui sous les première pattes 35 et sous les deuxièmes pattes 36 des volets latéraux, comme illustré sur la figure 6.When the opening 15 is closed, the abutment surface 50 bears under the first tabs 35 and under the second tabs 36 of the lateral flaps, as shown in FIG.

La surface formant butée 50 s'oppose ainsi à l'ouverture de la boîte et il est nécessaire pour dégager le rabat 23 de forcer sur celui-ci pour déformer les premières pattes 35 et les deuxièmes pattes 36 afin de faire franchir à la languette 40 le bord avant 23 des volets latéraux 21 et 22.The abutment surface 50 thus opposes the opening of the box and it is necessary to release the flap 23 to force on it to deform the first tabs 35 and the second tabs 36 to cross the tongue 40 the front edge 23 of the side flaps 21 and 22.

Le bord distal 55 de la languette 40 comporte avantageusement, comme représenté sur les figures, une découpure 56 dans sa région centrale, définissant de part et d'autre de celle-ci deux avancées 57 agencées pour s'engager dans les intervalles 58 formés par les découpures 29 des volets latéraux 21 et 22 avec le panneau avant 3, ce qui facilite la mise en place de la languette 40.The distal edge 55 of the tongue 40 advantageously comprises, as shown in the figures, a cutout 56 in its central region, defining on either side thereof two projections 57 arranged to engage in the intervals 58 formed by the cutouts 29 of the side flaps 21 and 22 with the front panel 3, which facilitates the introduction of the tongue 40.

Le bord arrière 28 des volets latéraux 21 et 22 est avantageusement découpé légèrement en retrait, comme représenté sur les figures.The rear edge 28 of the side flaps 21 and 22 is advantageously cut slightly recessed, as shown in the figures.

Lorsque le dispositif de fermeture 30 est dans sa configuration de fermeture, les volets latéraux 31 et 32 ont été repliés dans l'ouverture inférieure et le rabat 33 rabattu sur eux, la languette 46 étant engagée entre les volets latéraux 31 et 32 et le panneau avant 3.When the closing device 30 is in its closed configuration, the lateral flaps 31 and 32 have been folded into the lower opening and the flap 33 folded over them, the tongue 46 being engaged between the lateral flaps 31 and 32 and the front panel 3.

Bien entendu, l'invention n'est pas limitée à l'exemple de réalisation qui vient d'être décrit.Of course, the invention is not limited to the embodiment which has just been described.

On peut notamment réaliser la surface formant butée autrement qu'en assemblant deux épaisseurs de matériau en feuille.In particular, the abutment surface may be made other than by joining two layers of sheet material.

A titre d'exemple, on a représenté sur la figure 4 une languette 40' ayant, du côté de sa face intérieure, une surface formant butée 60 formée en repliant une partie 61 de la languette 40' sur elle-même, la surface formant butée 60 étant ainsi constituée par le bord libre de l'extrémité repliée 61.By way of example, FIG. 4 shows a tab 40 'having, on the side of its inner face, a stop surface 60 formed by folding a portion 61 of the tongue 40' on itself, the surface forming stop 60 being thus constituted by the free edge of the folded end 61.

La surface formant butée 60 vient en appui, comme illustré sur la figure 7, sous les volets latéraux 21 et 22 lorsque la boîte est fermée.The abutment surface 60 abuts, as illustrated in FIG. 7, under the lateral flaps 21 and 22 when the box is closed.

Claims (12)

  1. A box (1) comprising a body (2) having a front panel (3) and a rear panel (4) interconnected by two side panels (5, 6), the side panels and the front and rear panels being made by folding a sheet material, the body of the box having at least a first opening (15) with an associated closure device (20), said closure device (20) comprising two side flaps (21, 22) each extending a respective lateral panel (5, 6) via a respective fold, each side flap (21, 22) being connected by a proximal end to the associated side panel and having a distal edge on the opposite side of the proximal end, each side flap having a front edge (27) situated adjacent to the front panel (2), the closure device (20) also comprising a closure flap (23) formed to extend the rear panel (4), said closure flap (23) having a cover-forming portion (37) for folding down onto the side flaps (21, 22) and a tongue (40; 40') for inserting between the front panel (3) and the front edges (27) of the side flaps (21, 22) when the closure device is in its closed configuration, the tongue having a distal edge relating to the cover (37), the tongue (40; 40') having an inside face (45) situated facing the rear panel (4) when the closure device is in its closed configuration, the tongue (40; 40') including at least one abutment-forming surface (50; 50) beside its inside face and suitable for projecting beneath the side flaps (21, 22) when the closure device is in its closed configuration, the box being characterized by the fact that each side flap (21, 22) has a cutout (29) in its front edge (27) facilitating insertion of the tongue (40) between the front panel (3) and the side flaps (21, 22), each cutout (29) defining a first tab (35) in that region of each side flap which is adjacent to its distal edge (26) and to its front edge (27), beneath which tab the abutment-forming surface (50; 60) is suitable for coming into abutment, and the tongue (40, 40') including a cutout (56) in the middle of its distal edge (55) to define on either side thereof outwardly-extending portions (57) suitable for engaging in the gaps formed between the cutouts (29) in the side flaps and the front panel (3).
  2. A box according to the preceding claim, characterized by the fact that each cutout (29) defines a second tab (36) in that region of each side flap which is adjacent to its proximal end (25) and to its front edge (27), beneath which tab the abutment-forming surface (50; 60) is suitable for coming into abutment.
  3. A box according to any preceding claim, characterized by the fact that the side flaps are independent of the closure flap.
  4. A box according to any preceding claim, characterized by the fact that the side flaps (21, 22) are arranged to fold down into the opening (15) of the body of the box without overlapping each other.
  5. A box according to claim 4, in which each side flap (21, 22) is connected via a proximal end (25) to the associated side panel, and has a distal edge (26), and characterized by the fact that the distal edges (26) of the side flaps (21, 22) come substantially into contact when the closure device is in its closed configuration.
  6. A box according to any preceding claim, characterized by the fact that the abutment-forming surface (50; 60) extends over the entire width of the tongue (40; 40').
  7. A box according to any preceding claim, in which the cover-forming portion (37) is connected via a proximal end (38) to the rear panel (4) and via a distal end (39) to the tongue (40; 40'), and characterized by the fact that the abutment-forming surface (50; 60) is situated close to the distal end (39) of the cover-forming portion (37).
  8. A box according to any preceding claim, characterized by the fact that the abutment-forming surface (50) is constituted by an extra thickness of the closure flap (23).
  9. A box according to the preceding claim, characterized by the fact that the thickness of the closure flap (23) in its tongue portion (40) is twice its thickness in its cover-forming portion (37).
  10. A box according to any one of claims 1 to 7, characterized by the fact that the abutment-forming surface (60) is constituted by a portion (61) of the tongue (40') that is folded down onto itself.
  11. A box according to any preceding claim, characterized by the fact that the body (2) of the box has a second opening and an associated closure device (30) identical to the first.
  12. A box according to any preceding claim, characterized by the fact that it is made by cutting, folding, and sticking a card sheet, preferably a plasticized card sheet, that is at least 2 mm thick.
EP00401912A 1999-07-09 2000-07-04 Box with a reinforced closure Expired - Lifetime EP1067054B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9908953 1999-07-09
FR9908953A FR2796041B1 (en) 1999-07-09 1999-07-09 REINFORCED CLOSURE BOX

Publications (2)

Publication Number Publication Date
EP1067054A1 EP1067054A1 (en) 2001-01-10
EP1067054B1 true EP1067054B1 (en) 2007-10-10

Family

ID=9547949

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00401912A Expired - Lifetime EP1067054B1 (en) 1999-07-09 2000-07-04 Box with a reinforced closure

Country Status (9)

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US (1) US6296176B1 (en)
EP (1) EP1067054B1 (en)
JP (2) JP3549468B2 (en)
CN (1) CN1120787C (en)
AT (1) ATE375303T1 (en)
CA (1) CA2314543C (en)
DE (1) DE60036666T2 (en)
ES (1) ES2294997T3 (en)
FR (1) FR2796041B1 (en)

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Publication number Priority date Publication date Assignee Title
ITPI20010026A1 (en) * 2001-03-30 2002-09-30 Frediano Moretti BOX FOR FOOTWEAR AND ITS FLAT DEVELOPMENT
US7206149B2 (en) * 2001-06-28 2007-04-17 Stmicroelectronics, Inc. Circuit and method for detecting a spin-up wedge and a corresponding servo wedge on spin up of a data-storage disk
ITMI20020369A1 (en) * 2002-02-25 2003-08-25 Gi Bi Effe Srl BOX WITH CLOSING PANEL AND GUARANTEE SEAL AND WITH ELEMENT TO KEEP THE PANEL CLOSED AFTER THE SEAL IS BROKEN
EP1538088A1 (en) * 2003-12-01 2005-06-08 Mayr-Melnhof Karton AG Foldable box
US6957765B2 (en) * 2004-02-09 2005-10-25 Howell Packaging A Division Of F.M. Howell & Company Package having locking mechanism and reinforced cell
JP4606141B2 (en) * 2004-12-01 2011-01-05 花王株式会社 Plastic box
PL1801022T3 (en) * 2005-12-21 2012-04-30 Stora Enso Oyj Package adapted to receive an opening device
ITMI20060171A1 (en) * 2006-02-01 2007-08-02 Riccardo Servi BOXES FOR BOTTLES AND SIMILAR WITH INCREASED RESISTANCE TO THE OPENING OF THE BOTTOM
JP5355125B2 (en) * 2009-02-10 2013-11-27 株式会社ナリス化粧品 Packaging box
CN102633028B (en) * 2012-03-16 2013-07-24 李伯姗 Folding method of rectangular paper box
CN103086092A (en) * 2013-01-29 2013-05-08 上海界龙永发包装印刷有限公司 S-shaped liquid food packaging box
JP7138863B2 (en) * 2018-11-30 2022-09-20 エステー株式会社 box and blank sheet

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GB289127A (en) * 1927-01-17 1928-04-17 Burton Philander Sexton Improvements in and connected with cardboard and like boxes
US1986145A (en) * 1934-03-26 1935-01-01 Frank C Stettler Flap locking shipping box
US2041932A (en) * 1935-02-06 1936-05-26 Nat Union Radio Corp Sealed carton
US2116652A (en) * 1935-10-05 1938-05-10 Adler Leon Package
US2986323A (en) * 1959-12-30 1961-05-30 American Can Co Carton
US3194475A (en) * 1964-06-11 1965-07-13 Gen Electric Carton
US3578154A (en) * 1969-04-07 1971-05-11 Union Camp Corp Shadow box with locking dust flaps
CH672057A5 (en) 1987-06-22 1989-10-31 Gianfranco Passoni
IT1223178B (en) * 1987-11-27 1990-09-19 Duca Carmelo Lo BOX STRUCTURE WITH INCREASED RESISTANCE TO OPENING THE BOTTOM
IT1248520B (en) * 1991-06-21 1995-01-19 Abar Service Srl BOX WITH BREAKABLE SEAL WHEN OPENING OF THE BOX ITSELF
DE9306209U1 (en) * 1993-04-24 1993-07-08 Verpackungswerk Color-Druck W. Mack GmbH & Co KG, 7292 Baiersbronn Folding box made from a folded blank
DE29620217U1 (en) * 1996-11-20 1997-01-16 Straub, Alfred, 74078 Heilbronn Safety lock for folding boxes

Also Published As

Publication number Publication date
CN1120787C (en) 2003-09-10
ES2294997T3 (en) 2008-04-16
FR2796041A1 (en) 2001-01-12
CA2314543A1 (en) 2001-01-09
ATE375303T1 (en) 2007-10-15
JP3549468B2 (en) 2004-08-04
EP1067054A1 (en) 2001-01-10
CN1280093A (en) 2001-01-17
FR2796041B1 (en) 2002-02-01
JP2001031056A (en) 2001-02-06
DE60036666D1 (en) 2007-11-22
US6296176B1 (en) 2001-10-02
JP2004136982A (en) 2004-05-13
CA2314543C (en) 2005-10-18
DE60036666T2 (en) 2008-07-17

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