EP2847079A1 - Box having convex centring elements, and blank for manufacturing such a box - Google Patents

Box having convex centring elements, and blank for manufacturing such a box

Info

Publication number
EP2847079A1
EP2847079A1 EP13728446.9A EP13728446A EP2847079A1 EP 2847079 A1 EP2847079 A1 EP 2847079A1 EP 13728446 A EP13728446 A EP 13728446A EP 2847079 A1 EP2847079 A1 EP 2847079A1
Authority
EP
European Patent Office
Prior art keywords
box
blank
upper wall
wall
line
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.)
Granted
Application number
EP13728446.9A
Other languages
German (de)
French (fr)
Other versions
EP2847079B1 (en
Inventor
Jean-Claude Moreau
Sébastien JACOMELLI
Quentin Serre De Lourtioux
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.)
Otor SA
Original Assignee
Otor SA
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 Otor SA filed Critical Otor SA
Publication of EP2847079A1 publication Critical patent/EP2847079A1/en
Application granted granted Critical
Publication of EP2847079B1 publication Critical patent/EP2847079B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65D5/00—Rigid 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
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/4266—Folding lines, score lines, crease lines
    • 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
    • B65D5/00—Rigid 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
    • B65D5/001—Rigid 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 stackable
    • 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
    • B65D5/00—Rigid 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
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/427—Individual packages joined together, e.g. by means of integral tabs

Definitions

  • the present invention relates to a box of corrugated sheet material having a polygonal section having side walls, an upper wall forming the top of the box and a bottom wall forming the bottom.
  • Box centering systems are already known to prevent them from slipping, by lateral tenons cooperating with orifices placed on the edges, or in the vicinity.
  • This embodiment is not suitable for the low basis weight and does not always allow perfectly vertical stacking due to shifts that may exist during the formation of the box.
  • the present invention aims to provide a corrugated cardboard box, better than those previously known to meet the requirements of the practice, in particular because on the one hand it proposes a centering of the boxes on one another allowing a sliding and a lateral positioning before interlocking and blocking without the risk of damaging the centering means that will be used and secondly in that it allows a formation of boxes simple and inexpensive.
  • the present invention proposes in particular a box of corrugated sheet material having a polygonal section, having side walls, an upper wall forming the top of the box and a bottom wall forming the bottom of the box, characterized in that that the top of the box comprises at least one curved portion cut in the upper wall and in that the bottom comprises at least one portion of corresponding perforated surface complementary shape with said curved portion, in line with the latter and arranged for s embed in the bulging portions of the box below.
  • convex portion is meant a portion slightly projecting from the surface of the upper wall, while still substantially in the same plane as the latter.
  • portion of perforated surface complementary shape means a planar recess dimensioned such that the portion to the curved portion which is inserted abuts at least a portion of the periphery of the recess which allows to block the longitudinal movements and transverse in the horizontal plane of one box with respect to the other.
  • the convex portion is formed by a tongue partially cut in the upper wall, connected on one side to the junction area between said upper wall and an adjacent side wall, by a foldable deformable side, and cut on its other sides by relative to said upper wall (and which will lift slightly to adopt a curved shape or inclined by a few degrees, for example 3 to 5 ° with respect to the surface of the wall when it is shaped);
  • the upper wall is formed at least in part by a flap secured to a non-rectilinear junction line and / or non-aligned in a continuous manner with a corresponding lateral wall, the non-aligned portion being situated in line with said curved portions to form the side deformable by folding during the formation of the box.
  • non-continuously aligned is meant a connecting line comprising a first portion (in one or more parts) parallel and located at a first distance d from the bottom of the box and at least a second portion located at a second distance d + e of said bottom.
  • the non-rectilinear junction line and / or the non-aligned part (s) located at the distance d + e extend outwardly to the right or substantially to the right of the part intended to be curved.
  • the dimensional characteristic on the non-rectilinear or non-aligned junction lines thus causes twisting and / or lifting and / or bulging of said cut portion on its other sides, when the flaps are folded and fixed rigidly. by gluing;
  • e is between 1/4 and 1 thickness of corrugated cardboard, for example equal to half of said thickness, for example e between 0.5 and 4 mm;
  • the bottom wall and the side walls are formed by a tray and the upper wall by a lid;
  • the box is eight-sided, namely, four main side walls and four intermediate side walls, forming cut corners;
  • the box comprises at least two curved portions symmetrical with respect to the center of the box;
  • the box comprises two sets of two curved portions symmetrical with respect to the transverse axis of the box; the upper wall is formed at least in part by two flaps, the curved portions being pre-cut in the corresponding flap by a crushed ⁇ -shaped line whose apex is directed towards the inside of the box.
  • the invention also provides a blank for obtaining such a box.
  • a blank or a set of blanks of corrugated sheet material intended to form a box with a polygonal section comprising side walls, an upper wall and a bottom wall forming the bottom of the box, characterized in that the upper wall is formed by at least one flap secured to the top of the adjacent side wall via a junction line having at least a non-rectilinear line portion and / or non-aligned with the remainder of the fold line, and at least a portion partially cut in said flap at right or substantially right and near said non-rectilinear line portion, to form a bulged portion projecting from the top surface of the can during the formation of said box , and in that the bottom comprises at least one portion of perforated surface corresponding to the right and of complementary shape with said curved portion e.
  • the blank comprises four flaps forming the bottom wall of the bottom and the upper wall comprises at least two partially cut portions, symmetrical with respect to the center of the blank to form the bulged portions during the formation of the box.
  • the set of blanks comprises a first blank to form the bottom of the box and a second blank forming the top wall, said upper wall comprising at least two partially cut portions, symmetrical with respect to the center of the box. second blank, to form the bulged parts during the formation of the box.
  • the blank or set of blanks comprises two sets of two partially cut portions, symmetrical with respect to the transverse axis of the blank.
  • the blank or the set of blanks comprises two flaps to form at least part of the upper wall, and / or the partially pre-cut portions are cut in the upper wall by a crushed ⁇ -shaped line whose apex is directed from opposite side to the corresponding fold line.
  • Figure 1 is a top plan view of a blank according to a first embodiment of the invention.
  • Figure 1A is a detail of Figure 1.
  • Figure 2 is a perspective view showing the interlocking of two boxes obtained from the blank of Figure 1.
  • Figure 3 is a top plan view of a blank according to a second embodiment of the invention.
  • Figures 4 and 5 are perspective views from above showing the interlocking of two boxes with curved portions according to another embodiment of the invention.
  • Figure 1 shows a blank 1 of corrugated sheet material, for example 3 mm thick, for forming a rectangular section box.
  • the blank 1 comprises a belt of four walls or main shutters 3, 4, 5, 6 separated by intermediate flaps 7, 8, 9 and 10 interconnected by parallel fold lines 11.
  • the belt 2 also has at its end, a tongue 12 of bonding which is brought to cooperate with the intermediate flap 10 located at the other end of the blank.
  • the blank 1 comprises two series 13 and 14 of flaps. More precisely, it comprises a series 13 provided with two identical, substantially rectangular flaps 15 having lateral edges having ends on the side of the belt for forming an upper wall occupying the entire surface of the box formed from the blank, and two flaps 16 also identical to each other, of similar shape to the flaps 15.
  • Each of the flaps is connected to the adjacent flap, for the flaps 15 respectively to the flaps 3 and 5, and for the flaps 16 respectively to the flaps 4 and 6, by fold lines or creases 17.
  • the two flaps 16 comprise at the fold lines 17 two rectangular recesses 18 which will be specified below.
  • the blank also comprises a second series 14 of flaps, comprising two types of flaps, namely flaps 19 substantially rectangular, with side edges having a lower angle to fit at the cut corners formed by the flaps 7, 8, 9, 10, attached to the flaps 3 and 5 by fold lines 20, and flaps 21 of a shape similar to the flaps 19, attached to the flaps 4 and 6 by fold lines 22.
  • the fold lines 22 are non-rectilinear and / or non-aligned alignment lines which divide into three aligned portions 24, 24 'and 24' 'forming a fold line, separated two by two by two misaligned parts 25 25 'which during the folding of the box will lead as we will see the curved shape sought.
  • Tabs 26, adapted to form the curved portions of the box once formed, are provided. They are constituted by pre-cut portions in the flap 21 corresponding by a line 27 in crushed ⁇ form whose apex is directed towards the outside of the flap.
  • the recessed portions 18 of rectangular shape having at least partly a complementary shape, and which will be able to come s 'embed in the curved parts during the formation of the box.
  • One of the sides of the recesses 18 is slightly overlapping with the fold line 17, to allow the embedding of the curved portion, for example a value between 0 mm and e, for example over 0.5 mm or 1 mm.
  • FIG. 1A shows an enlarged view of the portion intended to form the convex portion showing the offset e between the portions 24, 24 'and 25 of fold lines 22.
  • FIG. 2 shows two boxes 30 and 31 stacked one on the other in the embedded position.
  • the top box 30 has four recesses 18, which cooperate with the tabs 26, at the right of which they are and which form the curved portions 32, obtained by the offset of the line or creaser 25, which closing the flap requires the pre-cut tab 26 to lift slightly.
  • FIG. 3 illustrates another embodiment of an eight-sided blank 33, with a single tongue 26 centered with respect to the flap 20 and a complementary recess 18 by flap 16.
  • Each of these rectangular recesses has a pre-cut side on the corresponding folding line 17 and / or slightly astride, for example by exceeding a third or a half thickness of the corrugated cardboard of said fold line 17.
  • FIGS. 4 and 5 show another example of a stack of parallelepipedic boxes 34, 34 'made according to another embodiment of the invention, implementing a cover C forming the upper wall, all of which ( partially) a lower plate P forming the lower wall.
  • the curved portions 35 instead of having a substantially rectangular shape, have a rounded shape in a portion of a circle, and thus cooperate with recesses 36 of complementary shape also in the form of a portion of a circle (half circles for example).
  • the box is formed by folding the side faces.
  • the case is formed by folding, after sizing of the tongue 12, automatically, longitudinal side faces 3, 4, 5, 6 for example around a mandrel of complementary shape to the forming box, then folds the previously glued flaps 15 on which it is then applied to the outside, the flaps 16 which are fixed on it by gluing.
  • This bulging effect which gives an outgrowth or slight protrusion (for example 2 to 10 mm) relative to the surface of the upper face of the box, will allow to create a centering element arranged to fit into the perforated surfaces or recesses. 18 from the bottom of the box.
  • the present invention is not limited to the embodiments more particularly described. On the contrary, it embraces all the variants and in particular those in which the shape of the curved portions is different, those in which the flaps or tongues are trapezoidal or rectangular, glued to an adjacent flap or to a lateral face on the outside and have the related shapes.
  • the case or the upper part of the box is formed by a lid s' recessed or capotant in the lower part forming a plate with which it is fixed by gluing and / or by embedding tabs, separable from one another easily or not , by simple external lateral traction.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Stackable Containers (AREA)

Abstract

The present invention relates to a box (30, 31) and a blank (1) made of corrugated cardboard sheet material having a polygonal cross-section, comprising sidewalls (3, 4, 5, 6), an upper wall forming the top of the box, and a lower wall forming the bottom of the box. The top of the box includes at least one cut-out convex portion (26) in the upper wall, and the bottom includes portions (18) which have a perforated surface and a shape that is complementary to that of said convex portions, and which are arranged opposite the latter so as to be fitted into the convex portions of the box below.

Description

BOITE A CENTREURS BOMBES ET FLAN POUR LA REALISATION D ' UNE TELLE BOITE  BOX WITH BOMB AND FLAN CENTERS FOR THE PRODUCTION OF SUCH A BOX
La présente invention concerne une boîte en matière en feuille de carton ondulé présentant une section polygonale comportant des parois latérales, une paroi supérieure formant le dessus de la boîte et une paroi inférieure formant le fond. The present invention relates to a box of corrugated sheet material having a polygonal section having side walls, an upper wall forming the top of the box and a bottom wall forming the bottom.
Elle concerne également des flans pour la constitution d'une telle boîte.  It also concerns blanks for the constitution of such a box.
Elle trouve une application particulièrement importante, bien que non exclusive, dans le domaine des boîtes gerbables sur palette, qui peuvent avoir tendance à glisser les unes par rapport aux autres lors de leur manipulation pendant les phases de transport .  It finds a particularly important, although not exclusive, application in the field of pallet stackable boxes, which may have a tendency to slide relative to each other during handling during transport phases.
On connaît déjà des systèmes de centrage de boîtes permettant d'éviter leur glissement, par tenons latéraux venant coopérer avec des orifices placés sur les arêtes, ou à proximité.  Box centering systems are already known to prevent them from slipping, by lateral tenons cooperating with orifices placed on the edges, or in the vicinity.
De tels systèmes sont fragiles et ne résistent pas aux manipulations répétées.  Such systems are fragile and are not resistant to repeated manipulation.
On connaît également (FR 2 311 717) des emballages dont le couvercle est formé de rabats dont certains de forme complémentaire à celles d ' échancrures ménagées dans le fond également formé de rabats, permettant un encastrement et donc un blocage latéral .  Also known (FR 2 311 717) packaging whose lid is formed of flaps, some of complementary shape to that of indentations in the bottom also formed of flaps, allowing embedding and thus a lateral locking.
Ce mode de réalisation ne convient pas au faible grammage et ne permet pas toujours un empilage parfaitement vertical, du fait des décalages pouvant exister lors de la formation de la caisse. La présente invention vise à fournir une boîte en feuille de carton ondulé, répondant mieux que celles antérieurement connues aux exigences de la pratique, en particulier parce que d'une part elle propose un centrage des boîtes l'une sur l'autre autorisant un glissement et une mise en place latérale avant emboîtement et blocage sans risquer d'abimer les moyens de centrage qui vont être utilisés et d'autre part en ce qu'elle autorise une formation des boîtes simple et peu coûteuse. This embodiment is not suitable for the low basis weight and does not always allow perfectly vertical stacking due to shifts that may exist during the formation of the box. The present invention aims to provide a corrugated cardboard box, better than those previously known to meet the requirements of the practice, in particular because on the one hand it proposes a centering of the boxes on one another allowing a sliding and a lateral positioning before interlocking and blocking without the risk of damaging the centering means that will be used and secondly in that it allows a formation of boxes simple and inexpensive.
Avec l'invention il va donc être possible d'éviter tout glissement des boîtes lorsqu'elles sont empilées les unes sur les sur les autres lors de leur palettisation et de permettre ainsi l'utilisation de grammage léger, et ce en évitant l'utilisation d'accessoires de palettisation coûteux et générateurs de manutention supplémentaire.  With the invention it will therefore be possible to prevent any slipping of the boxes when they are stacked on top of each other during their palletizing and thus allow the use of light weight, and this by avoiding the use costly palletizing accessories and additional handling generators.
Dans ce but, la présente invention propose notamment une boîte de matière en feuille de carton ondulé présentant une section polygonale, comportant des parois latérales, une paroi supérieure formant le dessus de la boîte et une paroi inférieure formant le fond de la boîte, caractérisée en ce que le dessus de la boîte comprend au moins une portion bombée découpée dans la paroi supérieure et en ce que le fond comprend au moins une portion de surface ajourée correspondante de forme complémentaire avec ladite portion bombée, au droit de cette dernière et agencée pour s'encastrer dans les portions bombées de la boîte du dessous.  For this purpose, the present invention proposes in particular a box of corrugated sheet material having a polygonal section, having side walls, an upper wall forming the top of the box and a bottom wall forming the bottom of the box, characterized in that that the top of the box comprises at least one curved portion cut in the upper wall and in that the bottom comprises at least one portion of corresponding perforated surface complementary shape with said curved portion, in line with the latter and arranged for s embed in the bulging portions of the box below.
Par portion bombée on entend une portion légèrement en saillie par rapport à la surface de la paroi supérieure, tout en étant encore sensiblement dans le même plan que cette dernière. By convex portion is meant a portion slightly projecting from the surface of the upper wall, while still substantially in the same plane as the latter.
Par portion de surface ajourée de forme complémentaire on entend un évidement plan dimensionné de telle façon que la partie au portion bombée qui y est insérée vienne en butée sur au moins une partie de la périphérie de l 'évidement ce qui permet de bloquer les mouvements longitudinaux et transversaux dans le plan horizontal d'une boîte par rapport à l'autre.  By portion of perforated surface complementary shape means a planar recess dimensioned such that the portion to the curved portion which is inserted abuts at least a portion of the periphery of the recess which allows to block the longitudinal movements and transverse in the horizontal plane of one box with respect to the other.
Dans des modes de réalisation avantageux, on a de plus recours à l'une et/ou à l'autre des dispositions suivantes :  In advantageous embodiments, one and / or the other of the following provisions is also used:
- La portion bombée est formée par une languette partiellement découpée dans la paroi supérieure, reliée d'un côté à la zone de jonction entre ladite paroi supérieure et une paroi latérale adjacente, par un côté déformable par pliage, et découpée sur ses autres côtés par rapport à ladite paroi supérieure (et qui va se soulever légèrement pour adopter une forme bombée ou inclinée de quelques degrés, par exemple 3 à 5° par rapport à la surface de la paroi lorsqu'elle est conformée) ;  - The convex portion is formed by a tongue partially cut in the upper wall, connected on one side to the junction area between said upper wall and an adjacent side wall, by a foldable deformable side, and cut on its other sides by relative to said upper wall (and which will lift slightly to adopt a curved shape or inclined by a few degrees, for example 3 to 5 ° with respect to the surface of the wall when it is shaped);
- la paroi supérieure est formée au moins en partie par un rabat solidarisé via une ligne de jonction non rectiligne et/ou non alignée de façon continue avec une paroi latérale correspondante, la partie non alignée étant située au droit desdites portions bombées pour former le côté déformable par pliage lors de la formation de la boîte.  the upper wall is formed at least in part by a flap secured to a non-rectilinear junction line and / or non-aligned in a continuous manner with a corresponding lateral wall, the non-aligned portion being situated in line with said curved portions to form the side deformable by folding during the formation of the box.
Par non alignée de façon continue on entend une ligne de jonction comprenant une première portion (en une ou plusieurs parties) parallèle et située à une première distance d du fond de la boîte et au moins une deuxième portion située à une deuxième distance d+e dudit fond. By non-continuously aligned is meant a connecting line comprising a first portion (in one or more parts) parallel and located at a first distance d from the bottom of the box and at least a second portion located at a second distance d + e of said bottom.
La ligne de jonction non rectiligne et/ou la ou les partie(s) non alignée(s) située(s) à la distance d+e s'étendent vers l'extérieur au droit ou sensiblement au droit de la partie destinée à être bombée .  The non-rectilinear junction line and / or the non-aligned part (s) located at the distance d + e extend outwardly to the right or substantially to the right of the part intended to be curved.
Lors du pliage du rabat, ce désalignement génère mécaniquement le bombement de la portion.  When folding the flap, this misalignment mechanically generates the bulge of the portion.
En d'autres termes, la caractéristique dimensionnelle sur les lignes de jonction non rectilignes ou non alignées entraîne ainsi un vrillage et/ou un soulèvement et/ou un bombement de ladite portion découpée sur ses autres côtés, lorsque les rabats sont pliés et fixés rigidement par collage ;  In other words, the dimensional characteristic on the non-rectilinear or non-aligned junction lines thus causes twisting and / or lifting and / or bulging of said cut portion on its other sides, when the flaps are folded and fixed rigidly. by gluing;
Avantageusement e est compris entre 1/4 et 1 épaisseur du carton ondulé, par exemple égal à la moitié de ladite épaisseur, par exemple e compris entre 0.5 et 4 mm ;  Advantageously e is between 1/4 and 1 thickness of corrugated cardboard, for example equal to half of said thickness, for example e between 0.5 and 4 mm;
- la paroi inférieure et les parois latérales sont formées par une barquette et la paroi supérieure par un couvercle ;  - The bottom wall and the side walls are formed by a tray and the upper wall by a lid;
- la boîte est à huit côtés, à savoir, quatre parois latérales principales et quatre parois latérales intermédiaires, formant coins coupés ;  - the box is eight-sided, namely, four main side walls and four intermediate side walls, forming cut corners;
la boîte comprend au moins deux portions bombées symétriques par rapport au centre de la boîte ;  the box comprises at least two curved portions symmetrical with respect to the center of the box;
- la boîte comprend deux jeux de deux portions bombées symétriques par rapport à l'axe transversal de la boîte ; - la paroi supérieure est formée au moins en partie par deux rabats, les portions bombées étant prédécoupées dans le rabat correspondant par une ligne en forme de Ω écrasé dont le sommet est dirigé vers l'intérieur de la boîte. the box comprises two sets of two curved portions symmetrical with respect to the transverse axis of the box; the upper wall is formed at least in part by two flaps, the curved portions being pre-cut in the corresponding flap by a crushed Ω-shaped line whose apex is directed towards the inside of the box.
L'invention propose également un flan permettant d'obtenir une telle boîte.  The invention also provides a blank for obtaining such a box.
Elle propose également et notamment un flan ou un ensemble de flans de matière en feuille de carton ondulé destiné à former une boîte à section polygonale comportant des parois latérales, une paroi supérieure et une paroi inférieure formant le fond de la boîte, caractérisé en ce que la paroi supérieure est formée par au moins un rabat solidarisé avec le haut de la paroi latérale adjacente via une ligne de jonction présentant au moins une partie de ligne non rectiligne et/ou non alignée avec le reste de la ligne formant ligne de pliage, et au moins une portion partiellement découpée dans ledit rabat au droit ou sensiblement au droit et à proximité de ladite partie de ligne non rectiligne, pour former une portion bombée en saillie par rapport à la surface du dessus de la boîte lors de la formation de ladite boîte, et en ce que le fond comprend au moins une portion de surface ajourée correspondante au droit et de forme complémentaire avec ladite portion bombée .  It also proposes, in particular, a blank or a set of blanks of corrugated sheet material intended to form a box with a polygonal section comprising side walls, an upper wall and a bottom wall forming the bottom of the box, characterized in that the upper wall is formed by at least one flap secured to the top of the adjacent side wall via a junction line having at least a non-rectilinear line portion and / or non-aligned with the remainder of the fold line, and at least a portion partially cut in said flap at right or substantially right and near said non-rectilinear line portion, to form a bulged portion projecting from the top surface of the can during the formation of said box , and in that the bottom comprises at least one portion of perforated surface corresponding to the right and of complementary shape with said curved portion e.
Par à proximité, il faut entendre suffisamment prêt pour que la portion partiellement découpée soit affectée dans sa forme lors du pliage, pour adopter une configuration bombée, par exemple à une distance de 1/2 à 3 épaisseurs de carton, ou de quelques millimètres, par exemple de 5 mm à 15 mm de la ligne de pliage. By close, it is necessary to hear sufficiently ready for the partially cut portion is affected in its shape during folding, to adopt a curved configuration, for example at a distance of 1/2 to 3 layers of cardboard, or a few millimeters, for example 5 mm to 15 mm from the fold line.
Avantageusement, le flan comprend quatre rabats formant la paroi inférieure du fond et la paroi supérieure comprend au moins deux portions partiellement découpées, symétriques par rapport au centre du flan pour constituer les parties bombées lors de la formation de la boîte.  Advantageously, the blank comprises four flaps forming the bottom wall of the bottom and the upper wall comprises at least two partially cut portions, symmetrical with respect to the center of the blank to form the bulged portions during the formation of the box.
Dans un autre mode de réalisation avantageux, l'ensemble de flans comprend un premier flan pour former le fond de la boîte et un deuxième flan formant la paroi supérieure, ladite paroi supérieure comprenant au moins deux portions partiellement découpées, symétriques par rapport au centre du deuxième flan, pour constituer les parties bombées lors de la formation de la boîte.  In another advantageous embodiment, the set of blanks comprises a first blank to form the bottom of the box and a second blank forming the top wall, said upper wall comprising at least two partially cut portions, symmetrical with respect to the center of the box. second blank, to form the bulged parts during the formation of the box.
Avantageusement le flan ou l'ensemble de flans comprend deux jeux de deux portions partiellement découpées, symétriques par rapport à l'axe transversal du flan.  Advantageously the blank or set of blanks comprises two sets of two partially cut portions, symmetrical with respect to the transverse axis of the blank.
Egalement avantageusement le flan ou l'ensemble de flans comprend deux rabats pour former au moins en partie la paroi supérieure, et/ou les portions partiellement prédécoupées sont découpées dans la paroi supérieure par une ligne en forme de Ω écrasé dont le sommet est dirigé du côté opposé à la ligne de pliage correspondante.  Also advantageously the blank or the set of blanks comprises two flaps to form at least part of the upper wall, and / or the partially pre-cut portions are cut in the upper wall by a crushed Ω-shaped line whose apex is directed from opposite side to the corresponding fold line.
L'invention sera mieux comprise à la lecture de la description qui suit de modes de réalisation donnés ci-après à titre d'exemples non limitatifs. La description se réfère aux dessins qui l'accompagnent dans lesquels : La figure 1 est vue de dessus en plan, d'un flan selon un premier mode de réalisation de l'invention. The invention will be better understood on reading the following description of embodiments given below by way of non-limiting examples. The description refers to the accompanying drawings in which: Figure 1 is a top plan view of a blank according to a first embodiment of the invention.
La figure 1A est un détail de la figure 1.  Figure 1A is a detail of Figure 1.
La figure 2 est une vue en perspective montrant l'emboîtement de deux boîtes obtenues à partir du flan de la figure 1.  Figure 2 is a perspective view showing the interlocking of two boxes obtained from the blank of Figure 1.
La figure 3 est une vue de dessus en plan d'un flan selon un deuxième mode de réalisation de 1 ' invention .  Figure 3 is a top plan view of a blank according to a second embodiment of the invention.
Les figures 4 et 5 sont des vues en perspective par le dessus montrant l'emboîtement de deux boîtes avec parties bombées selon un autre mode de réalisation de l'invention.  Figures 4 and 5 are perspective views from above showing the interlocking of two boxes with curved portions according to another embodiment of the invention.
Dans la suite de la description on utilisera dans la mesure du possible les mêmes numéros de référence pour désigner les mêmes éléments ou des éléments similaires .  In the remainder of the description, the same reference numbers will be used as far as possible to designate the same elements or similar elements.
La figure 1 montre un flan 1 de matière en feuille de carton ondulé, par exemple de 3 mm d'épaisseur, destiné à former une boîte à section rectangulaire.  Figure 1 shows a blank 1 of corrugated sheet material, for example 3 mm thick, for forming a rectangular section box.
Le flan 1 comporte une ceinture de quatre parois ou volets principaux 3, 4, 5, 6 séparés par des volets intermédiaires 7, 8, 9 et 10 reliés entre eux par des lignes de pliage 11 parallèles.  The blank 1 comprises a belt of four walls or main shutters 3, 4, 5, 6 separated by intermediate flaps 7, 8, 9 and 10 interconnected by parallel fold lines 11.
La ceinture 2 comporte également à son extrémité, une languette 12 de collage qui est amenée à coopérer avec le volet intermédiaire 10 situé à l'autre extrémité du flan.  The belt 2 also has at its end, a tongue 12 of bonding which is brought to cooperate with the intermediate flap 10 located at the other end of the blank.
Le flan 1 comprend deux séries 13 et 14 de rabats. Plus précisément il comprend une série 13 munie de deux rabats 15 identiques, sensiblement rectangulaires présentant des bords latéraux ayant des extrémités en biais du côté de la ceinture pour former une paroi supérieure occupant la totalité de la surface de la boîte formée à partir du flan, et deux rabats 16 également identiques entre eux, de forme similaire aux rabats 15. The blank 1 comprises two series 13 and 14 of flaps. More precisely, it comprises a series 13 provided with two identical, substantially rectangular flaps 15 having lateral edges having ends on the side of the belt for forming an upper wall occupying the entire surface of the box formed from the blank, and two flaps 16 also identical to each other, of similar shape to the flaps 15.
Chacun des rabats est relié au volet adjacent, pour les rabats 15 respectivement aux volets 3 et 5, et pour les rabats 16 respectivement aux volets 4 et 6, par des lignes de pliage ou raineurs 17.  Each of the flaps is connected to the adjacent flap, for the flaps 15 respectively to the flaps 3 and 5, and for the flaps 16 respectively to the flaps 4 and 6, by fold lines or creases 17.
Les deux rabats 16 comportent au niveau des lignes de pliage 17 deux évidements rectangulaires 18 qui seront précisés ci-après.  The two flaps 16 comprise at the fold lines 17 two rectangular recesses 18 which will be specified below.
Selon le mode de réalisation de l'invention plus particulièrement décrit ici, le flan comporte également une deuxième série 14 de rabats, comprenant deux types de rabats, à savoir des rabats 19 sensiblement rectangulaires, avec bords latéraux présentant un angle inférieur pour s'adapter aux coins coupés formés par les volets 7, 8, 9, 10, attachés aux volets 3 et 5 par des lignes de pliage 20, et des rabats 21 de forme similaire aux rabats 19, rattachés aux volets 4 et 6 par des lignes de pliage 22.  According to the embodiment of the invention more particularly described here, the blank also comprises a second series 14 of flaps, comprising two types of flaps, namely flaps 19 substantially rectangular, with side edges having a lower angle to fit at the cut corners formed by the flaps 7, 8, 9, 10, attached to the flaps 3 and 5 by fold lines 20, and flaps 21 of a shape similar to the flaps 19, attached to the flaps 4 and 6 by fold lines 22.
Les lignes de pliage 22 sont des lignes de jonction non rectilignes et/ou non alignées de façon continue, qui se divisent en trois parties alignées 24, 24' et 24 ''formant ligne de pliage, séparées deux à deux par deux parties désalignées 25, 25' qui lors du pliage de la caisse vont entraîner comme on va le voir la forme bombée recherchée.  The fold lines 22 are non-rectilinear and / or non-aligned alignment lines which divide into three aligned portions 24, 24 'and 24' 'forming a fold line, separated two by two by two misaligned parts 25 25 'which during the folding of the box will lead as we will see the curved shape sought.
Des languettes 26, propres à former les portions bombées de la boîte une fois formée, sont prévues. Elles sont constituées par des portions prédécoupées dans le rabat 21 correspondant par une ligne 27 en forme de Ω écrasé dont le sommet est dirigé vers l'extérieur du rabat. Tabs 26, adapted to form the curved portions of the box once formed, are provided. They are constituted by pre-cut portions in the flap 21 corresponding by a line 27 in crushed Ω form whose apex is directed towards the outside of the flap.
Au droit et en vis à vis de ces languettes 26 destinées à être en excroissance se trouvent, sur le fond formé par les rabats 16, les portions évidées 18 de forme rectangulaire présentant au moins en partie une forme complémentaire, et qui vont pouvoir venir s'encastrer dans les parties bombées lors de la formation de la boîte.  To the right and opposite these tabs 26 intended to be outgrowth are, on the bottom formed by the flaps 16, the recessed portions 18 of rectangular shape having at least partly a complementary shape, and which will be able to come s 'embed in the curved parts during the formation of the box.
L'un des côtés des évidements 18 est légèrement en chevauchement avec la ligne de pliage 17, pour pouvoir permettre l'encastrement de la partie bombée, par exemple d'une valeur comprise entre 0 mm et e, par exemple sur 0, 5 mm ou 1 mm.  One of the sides of the recesses 18 is slightly overlapping with the fold line 17, to allow the embedding of the curved portion, for example a value between 0 mm and e, for example over 0.5 mm or 1 mm.
On a présenté sur la figure 1A une vue agrandie de la portion destinée à former la portion bombée faisant apparaître le décalage e entre les portions 24, 24' et 25 des lignes de pliage 22.  FIG. 1A shows an enlarged view of the portion intended to form the convex portion showing the offset e between the portions 24, 24 'and 25 of fold lines 22.
La languette 26, de forme rectangulaire, prédécoupée sur trois de ses côtés en forme de Ω, est reliée au reste du rabat par la partie 28, la distance h entre les bords sensiblement parallèles à la ligne de pliage 24, de 1Ώ étant ici et par exemple égale à 1, 5 à 3 fois l'épaisseur du carton, par exemple comprise entre 3 et 8 mm, par exemple 5 mm.  The tab 26, rectangular in shape, pre-cut on three of its sides in the form of Ω, is connected to the remainder of the flap by the portion 28, the distance h between the edges substantially parallel to the fold line 24, of 1Ώ being here and for example equal to 1.5 to 3 times the thickness of the carton, for example between 3 and 8 mm, for example 5 mm.
Ces dispositions vont entraîner la forme bombée particulière .  These provisions will result in the particular convex shape.
On a représenté sur la figure 2 deux boîtes 30 et 31 empilées l'une sur l'autre en position d'encastrement .  FIG. 2 shows two boxes 30 and 31 stacked one on the other in the embedded position.
La boîte du dessus 30 comporte quatre évidements 18, qui viennent coopérer avec les languettes 26, au droit desquels ils se trouvent et qui forment les portions bombées 32, obtenues grâce au décalage de la ligne ou raineur 25, qui à la fermeture du rabat impose à la languette prédécoupée 26 de se soulever légèrement . The top box 30 has four recesses 18, which cooperate with the tabs 26, at the right of which they are and which form the curved portions 32, obtained by the offset of the line or creaser 25, which closing the flap requires the pre-cut tab 26 to lift slightly.
La figure 3 illustre un autre mode de réalisation d'un flan 33 à huit côtés, avec une seule languette 26 centrée par rapport au rabat 20 et un évidement complémentaire 18 par rabat 16.  FIG. 3 illustrates another embodiment of an eight-sided blank 33, with a single tongue 26 centered with respect to the flap 20 and a complementary recess 18 by flap 16.
Chacun de ces évidements rectangulaire comporte un côté prédécoupé sur la ligne de pliage 17 correspondante et/ou légèrement à cheval, par exemple en dépassant d'un tiers ou d'une demi épaisseur du carton ondulé de ladite ligne de pliage 17.  Each of these rectangular recesses has a pre-cut side on the corresponding folding line 17 and / or slightly astride, for example by exceeding a third or a half thickness of the corrugated cardboard of said fold line 17.
On a représenté sur les figures 4 et 5, un autre exemple de pile de boîtes 34, 34' parallélépipédiques , réalisées selon un autre mode de réalisation de l'invention, mettant en œuvre un couvercle C formant la paroi supérieure chapotant en totalité (ou partiellement) un plateau inférieur P formant la paroi inférieure. Ici les portions bombées 35, au lieu de présenter une forme sensiblement rectangulaire, présentent une forme arrondie en portion de cercle, et coopéreront donc avec des évidements 36 de forme complémentaire également en forme de portion de cercle (demi-cercles par exemple) .  FIGS. 4 and 5 show another example of a stack of parallelepipedic boxes 34, 34 'made according to another embodiment of the invention, implementing a cover C forming the upper wall, all of which ( partially) a lower plate P forming the lower wall. Here the curved portions 35, instead of having a substantially rectangular shape, have a rounded shape in a portion of a circle, and thus cooperate with recesses 36 of complementary shape also in the form of a portion of a circle (half circles for example).
On va maintenant décrire le mode de formation d'une boîte selon l'invention en référence aux figures 1 et 2.  We will now describe the mode of formation of a box according to the invention with reference to Figures 1 and 2.
A partir du flan 1 de la figure 1 on forme la boîte par repliage des faces latérales. Pour se faire on forme la caisse par pliage, après encollage de la languette 12, de façon automatique, des faces latérales longitudinales 3, 4, 5, 6 par exemple autour d'un mandrin de forme complémentaire à la boîte à former, puis on replie les rabats 15 préalablement encollés sur lesquels on vient ensuite appliquer à l'extérieur, les rabats 16 que l'on fixe donc dessus par collage. From the blank 1 of Figure 1 the box is formed by folding the side faces. To do so, the case is formed by folding, after sizing of the tongue 12, automatically, longitudinal side faces 3, 4, 5, 6 for example around a mandrel of complementary shape to the forming box, then folds the previously glued flaps 15 on which it is then applied to the outside, the flaps 16 which are fixed on it by gluing.
Puis, après remplissage de la caisse on vient refermer la paroi supérieure en repliant tout d'abord les rabats 19 préalablement encollés sur lesquels on vient ensuite appliquer les rabats 20 qui sont pliés autour des lignes de pliage correspondantes 22.  Then, after filling of the box is closed the upper wall by folding first of the flaps 19 previously glued on which is then applied the flaps 20 which are folded around the corresponding fold lines 22.
Lors du pliage, le décalage des lignes 24, 24 ', 24 '' avec les lignes 25, 25' entraine alors structurellement , au moment de la formation, un effet de bombement ou léger soulèvement des languettes ou portions prédécoupées 26.  During folding, the offset of the lines 24, 24 ', 24' 'with the lines 25, 25' then structurally causes, at the moment of formation, a bulging effect or slight lifting of the tongues or pre-cut portions 26.
Cet effet de bombement qui donne une excroissance ou légère saillie (par exemple 2 à 10 mm) par rapport à la surface de la face supérieure de la boîte, va permettre de créer un élément centreur agencé pour s'encastrer dans les surfaces ajourées ou évidements 18 du fond de la caisse.  This bulging effect which gives an outgrowth or slight protrusion (for example 2 to 10 mm) relative to the surface of the upper face of the box, will allow to create a centering element arranged to fit into the perforated surfaces or recesses. 18 from the bottom of the box.
Selon le grammage et l'épaisseur du carton ondulé on obtient un effet ressort plus ou moins prononcé que l'homme du métier pourra ajuster en fonction de l'utilisation de la boîte (du fait notamment du poids des produits mis dans la boîte) .  Depending on the basis weight and the thickness of the corrugated board, a more or less pronounced spring effect is obtained which the person skilled in the art can adjust depending on the use of the box (particularly because of the weight of the products put into the box).
On obtient ainsi grâce à un tel encastrement une excellente stabilité entre les boîtes et ce de façon simple . Comme il va de soi et comme il résulte également de ce qui précède, la présente invention ne se limite pas aux modes de réalisation plus particulièrement décrits. Elle en embrasse au contraire toutes les variantes et notamment celles où la forme des portions bombées est différente, celles où les rabats ou languettes sont trapézoïdaux ou rectangulaires, collés sur un rabat adjacent ou sur une face latérale à l'extérieur et présentent les formes liées à une caisse à huit côtés avec pans coupés et/ou une caisse simplement à quatre parois latérales, ou encore le cas où le fond est formé d'une seule pièce et la partie supérieure de quatre rabats, ou l'inverse, le cas ou la partie supérieure de la caisse est formée par un couvercle s 'encastrant ou chapotant dans la partie inférieure formant plateau avec laquelle elle est fixée par collage et/ou par encastrement de languettes, séparables l'un de l'autre de façon aisée ou non, par simple traction latérale externe. Thus, thanks to such a recess, excellent stability between the boxes is obtained in a simple manner. As is obvious and as also follows from the above, the present invention is not limited to the embodiments more particularly described. On the contrary, it embraces all the variants and in particular those in which the shape of the curved portions is different, those in which the flaps or tongues are trapezoidal or rectangular, glued to an adjacent flap or to a lateral face on the outside and have the related shapes. to an eight-sided box with cut sides and / or a box simply with four side walls, or the case where the bottom is formed of a single piece and the upper part of four flaps, or the opposite, the case or the upper part of the box is formed by a lid s' recessed or capotant in the lower part forming a plate with which it is fixed by gluing and / or by embedding tabs, separable from one another easily or not , by simple external lateral traction.

Claims

REVENDICATIONS
1. Boîte de matière en feuille de carton ondulé présentant une section polygonale, comportant des parois latérales, une paroi supérieure formant le dessus de la boîte et une paroi inférieure formant le fond de la boîte, 1. Box of corrugated sheet material having a polygonal section, having side walls, an upper wall forming the top of the box and a bottom wall forming the bottom of the box,
caractérisée en ce que le dessus de la boîte comprend au moins une portion bombée découpée dans la paroi supérieure et en ce que le fond comprend au moins une portion de surface ajourée correspondante de forme complémentaire avec ladite portion bombée, au droit de cette dernière et agencée pour s'encastrer dans la portion bombée de la boîte du dessous. characterized in that the top of the box comprises at least one curved portion cut in the upper wall and in that the bottom comprises at least one portion of corresponding openwork surface of complementary shape with said curved portion, in line with the latter and arranged to fit into the convex portion of the box below.
2. Boîte selon la revendication 1, caractérisée en ce que la portion bombée est formée par une languette partiellement découpée dans la paroi supérieure, reliée d'un côté à la zone de jonction entre ladite paroi supérieure et une paroi latérale adjacente par un côté déformable par pliage, et découpée sur ses autres côtés par rapport à ladite paroi supérieure.  2. Box according to claim 1, characterized in that the convex portion is formed by a tongue partially cut in the upper wall, connected on one side to the junction zone between said upper wall and an adjacent side wall by a deformable side by folding, and cut on its other sides with respect to said upper wall.
3. Boîte selon la revendication 2, caractérisée en ce que la paroi supérieure est formée au moins en partie par un rabat solidarisé via une ligne de jonction non rectiligne et/ou non alignée de façon continue, avec une paroi latérale correspondante, la partie non alignée étant située au droit desdites portions bombées pour former le côté déformable par pliage lors de la formation de la boîte.  3. Box according to claim 2, characterized in that the upper wall is formed at least in part by a flap secured by a non-rectilinear junction line and / or non-aligned continuously, with a corresponding side wall, the non-aligned part. aligned being located at right of said curved portions to form the deformable side by folding during the formation of the box.
4. Boîte selon l'une quelconque des revendications 2 et 3, caractérisée en ce que la paroi supérieure est formée au moins en partie par deux rabats, les portions bombées étant prédécoupées dans le rabat correspondant par une ligne en forme de Ω écrasé dont le sommet est dirigé vers l'intérieur de la boîte. 4. Box according to any one of claims 2 and 3, characterized in that the upper wall is formed at least in part by two flaps, the curved portions being pre-cut in the corresponding flap by a crushed Ω-shaped line whose top is directed towards the inside of the box.
5. Boîte selon l'une quelconque des revendications précédentes, caractérisée en ce que la paroi inférieure et les parois latérales sont formées par une barquette et la paroi supérieure par un couvercle .  5. Box according to any one of the preceding claims, characterized in that the bottom wall and the side walls are formed by a tray and the upper wall by a lid.
6. Boîte selon l'une quelconque des revendications précédentes, caractérisée en ce que elle comprend au moins deux portions bombées, symétriques par rapport au centre de la boîte.  6. Box according to any one of the preceding claims, characterized in that it comprises at least two curved portions, symmetrical with respect to the center of the box.
7. Boîte selon l'une quelconque des revendications précédentes, caractérisée en ce que elle comprend deux jeux de deux portions bombées symétriques par rapport à l'axe transversal de la boîte .  7. Box according to any one of the preceding claims, characterized in that it comprises two sets of two curved portions symmetrical with respect to the transverse axis of the box.
8. Flan ou ensemble de flans de matière en feuille de carton ondulé destiné à former une boîte à section polygonale comportant des parois latérales, une paroi supérieure et une paroi inférieure formant le fond de la boîte, caractérisé en ce que  8. Blank or set of corrugated sheet material blanks intended to form a box with polygonal section having side walls, an upper wall and a bottom wall forming the bottom of the box, characterized in that
la paroi supérieure est formée par au moins un rabat solidarisé avec le haut de la paroi latérale adjacente via une ligne de jonction présentant au moins une partie de ligne non rectiligne et/ou non alignée avec le reste de la ligne formant ligne de pliage, et au moins une portion partiellement découpée dans ledit rabat au droit ou sensiblement au droit et à proximité de ladite partie de ligne non rectiligne, pour former une portion bombée en saillie par rapport à la surface du dessus de la boîte lors de la formation de ladite boîte, et en ce que le fond comprend au moins une portion de surface ajourée correspondante au droit et de forme complémentaire avec ladite portion bombée. the upper wall is formed by at least one flap secured to the top of the adjacent side wall via a junction line having at least a non-rectilinear line portion and / or non-aligned with the remainder of the fold line, and at least a portion partially cut in said flap to the right or substantially to the right and near said portion of non-rectilinear line, to form a bulging portion projecting from the surface of the top of the box when the formation of said box, and in that the bottom comprises at least a portion of perforated surface corresponding to the right and of complementary shape with said curved portion.
9. Flan ou ensemble de flans selon la revendication 8, caractérisé en ce que la ligne de jonction comprend une première portion parallèle et située à une première distance d de la jonction de la paroi inférieure avec ladite paroi latérale, et au moins une deuxième portion située à une deuxième distance d + e de ladite jonction de la paroi inférieure, avec e compris entre 1 et 5 mm.  9. blank or set of blanks according to claim 8, characterized in that the junction line comprises a first portion parallel and located at a first distance d from the junction of the bottom wall with said side wall, and at least a second portion located at a second distance d + e of said junction of the bottom wall, with e between 1 and 5 mm.
10. Flan selon l'une des revendications 8 et 9, caractérisé en ce que le flan comprend quatre rabats formant la paroi inférieure du fond et la paroi supérieure comprend au moins deux portions partiellement découpées, symétriques par rapport au centre du flan pour constituer les parties bombées lors de la formation de la boîte.  10. blank according to one of claims 8 and 9, characterized in that the blank comprises four flaps forming the bottom wall of the bottom and the upper wall comprises at least two partially cut portions, symmetrical with respect to the center of the blank to form the curved parts when forming the box.
11. Ensemble de flans selon l'une des revendications 8 et 9, caractérisé en ce que il comprend un premier flan pour former le fond de la boîte et un deuxième flan formant la paroi supérieure, ladite paroi supérieure comprenant au moins deux portions partiellement découpées, symétriques par rapport au centre du deuxième flan, pour constituer les parties bombées lors de la formation de la boîte.  11. Set of blanks according to one of claims 8 and 9, characterized in that it comprises a first blank to form the bottom of the box and a second blank forming the upper wall, said upper wall comprising at least two partially cut portions. , symmetrical with respect to the center of the second blank, to form the bulged portions during the formation of the box.
12. Flan ou ensemble de flans selon l'une quelconque des revendications 9 à 11, caractérisé en ce que il comprend deux jeux de deux portions partiellement découpées, symétriques par rapport à l'axe transversal du flan. 12. blank or set of blanks according to any one of claims 9 to 11, characterized in that it comprises two sets of two partially cut portions, symmetrical with respect to the transverse axis of the blank.
13. Flan ou ensemble de flans selon l'une quelconque des revendications 8 à 12, caractérisé en ce que les portions partiellement découpées sont découpées dans la paroi supérieure par une ligne en forme de Ω écrasé dont le sommet est dirigé du côté opposé à la ligne de pliage correspondante. 13. blank or set of blanks according to any one of claims 8 to 12, characterized in that the partially cut portions are cut in the upper wall by a crushed Ω-shaped line whose apex is directed to the opposite side to the corresponding fold line.
14. Flan ou ensemble de flans selon l'une quelconque des revendications 8 à 13, caractérisé en ce que il comprend deux rabats pour former au moins en partie la paroi supérieure.  14. Blank or set of blanks according to any one of claims 8 to 13, characterized in that it comprises two flaps to form at least partly the upper wall.
EP13728446.9A 2012-05-09 2013-05-07 Box having convex centring elements, and blank for manufacturing such a box Active EP2847079B1 (en)

Applications Claiming Priority (2)

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FR1201355A FR2990416B1 (en) 2012-05-09 2012-05-09 BOX WITH BOMB AND FLAN CENTERS FOR CARRYING OUT SUCH BOX
PCT/FR2013/051025 WO2013167845A1 (en) 2012-05-09 2013-05-07 Box having convex centring elements, and blank for manufacturing such a box

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EP2847079B1 EP2847079B1 (en) 2016-12-07

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JP (1) JP6174127B2 (en)
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US5535941A (en) * 1995-03-27 1996-07-16 Smurfit Carton Y Papel De Mexico Corrugated box having corner support posts
JPH107146A (en) * 1996-06-20 1998-01-13 Toppan Printing Co Ltd Stackable paper container
FR2757833B1 (en) * 1996-12-27 1999-03-26 Otor Sa SHEET MATERIAL BOX WITH CENTERING TABS AND BLANK FOR THE REALIZATION OF SUCH A BOX
FR2761341B1 (en) * 1997-03-28 1999-06-18 Otor Sa CASE OF SHEET MATERIAL WITH CENTERING TABS AND BLANK OR BLANK ASSEMBLY FOR MAKING SUCH A BOX
CN1805878A (en) * 2003-05-23 2006-07-19 国际纸业公司 One-piece shipping container with differently contoured inner and outer walls and a quick-lock bottom
US20060163333A1 (en) 2005-01-27 2006-07-27 Georgia-Pacific Corporation Paperboard container with locking flaps
US8091770B2 (en) * 2007-12-07 2012-01-10 Tin Inc. Food-transport container with monoplanar multipart end panels
FR2925880B1 (en) * 2007-12-26 2010-01-01 Otor Sa PACKING BOX WITH CENTERING TAB, CUTTER ASSEMBLY AND METHOD FOR PRODUCING SUCH BOX.
US8827142B2 (en) * 2008-05-07 2014-09-09 Rock-Tenn Shared Services, Llc Reinforced polygonal containers and blanks of sheet material for making the same
US8622282B2 (en) 2010-02-19 2014-01-07 Rock-Tenn Shared Services, Llc Blanks and methods for forming reinforced containers
US8931686B2 (en) 2010-02-19 2015-01-13 Rock-Tenn Shared Services Llc Polygonal containers having a locking bottom and blanks and methods for forming the same
JP5592175B2 (en) * 2010-05-12 2014-09-17 レンゴー株式会社 Packaging display box

Also Published As

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ZA201407362B (en) 2017-08-30
FR2990416B1 (en) 2014-05-09
FR2990416A1 (en) 2013-11-15
WO2013167845A1 (en) 2013-11-14
US20150083788A1 (en) 2015-03-26
EP2847079B1 (en) 2016-12-07
JP2015519268A (en) 2015-07-09
JP6174127B2 (en) 2017-08-02
US9463895B2 (en) 2016-10-11

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