EP1494926A2 - Assembly of blanks and box with polygonal cross-section - Google Patents

Assembly of blanks and box with polygonal cross-section

Info

Publication number
EP1494926A2
EP1494926A2 EP03740580A EP03740580A EP1494926A2 EP 1494926 A2 EP1494926 A2 EP 1494926A2 EP 03740580 A EP03740580 A EP 03740580A EP 03740580 A EP03740580 A EP 03740580A EP 1494926 A2 EP1494926 A2 EP 1494926A2
Authority
EP
European Patent Office
Prior art keywords
flaps
box
flap
cover
blanks
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
EP03740580A
Other languages
German (de)
French (fr)
Other versions
EP1494926B1 (en
Inventor
Jean-Yves Bacques
Nicolas Lelay
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 EP1494926A2 publication Critical patent/EP1494926A2/en
Application granted granted Critical
Publication of EP1494926B1 publication Critical patent/EP1494926B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B65D5/001—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
    • B65D5/005—Separate or attached stacking elements
    • B65D5/0075—Paper elements affixed to the container blank before or during erection
    • 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
    • B65D5/32—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 having bodies formed by folding and interconnecting two or more blanks each blank forming a body part, whereby each body part comprises at least one outside face of the box, carton or tray
    • B65D5/326—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 having bodies formed by folding and interconnecting two or more blanks each blank forming a body part, whereby each body part comprises at least one outside face of the box, carton or tray at least one container body part formed by folding a single blank to a permanently assembled tube
    • 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
    • B65D2301/00—Details of blanks
    • B65D2301/10—Blanks mutually positioned to minimise waste material upon cutting out the individual blank from a continuous or large sheet

Definitions

  • the present invention relates to a set of blanks of cardboard sheet material or equivalent intended to form a box with polygonal section comprising lateral faces, an upper face forming a cover and an inner face forming the bottom of the box.
  • Polygonal boxes are already known, in particular suitable for being mounted around a mandrel from blanks formed by a series of flaps provided on either side with a set of flaps intended to form the bottom and the cover of the box.
  • Such boxes have advantages in particular at the time of assembly and also in resistance to compression.
  • these boxes have lower and / or upper faces having discontinuous surfaces, which are not leaktight because they are made up of several parts of flaps which are more or less contiguous.
  • the present invention aims to provide a set of blanks and a box with a polygonal cross-section which responds better than those previously known to the requirements of practice, in particular in that it allows good lateral and vertical locking of the corrugated boxes one by one. compared to others while offering lower and upper body sides in one piece.
  • the invention it is also possible to optimize the type of cardboard used, for example by choosing different cardboard qualities for the cover, the belt and / or the bottom.
  • the resistances of these three parts of the body will be able to vary, which has an important advantage.
  • the invention essentially proposes a set of blanks of material of corrugated cardboard sheet or equivalent intended to form a box of polygonal section comprising lateral faces, an upper face forming a cover and a lower face forming the bottom of the box.
  • first blank capable of constituting the lateral faces of the box
  • said first blank comprising a series of four rectangular flaps terminated by a fixing tab, connected together by parallel fold lines, each flap comprising on one side a free edge perpendicular to said fold lines and on the other side a flap disposed in opposition relative to the flap of the adjacent flap, said flaps being arranged to cover the outer surface of said upper face or said lower face to be glued to it
  • a second and a third blanks intended respectively to form the bottom and cover of the box each comprising a central flap to form the lower or upper face, each central flap being provided with two opposite free edges and two opposite lateral flaps arranged to cover at least partially the external surface of two opposite flaps suitable for forming the lateral faces, in line with the respective free edges of said flaps, to be glued to them.
  • the flaps of two opposite flaps of the series of flaps suitable for forming the lateral faces have lateral edges of shape complementary or adaptable to the lateral edges of the flaps of the adjacent flaps of said series of flaps;
  • the upper free edges of two of the side flaps intended to form the side are sides of the case are provided with at least one stacking tab, and the flaps of the folding lines of the central flap of the lid wall comprises one or several corresponding notches; - At least two blanks among the first, second and third blanks are corrugated cardboard of different quality and / or thickness.
  • the first blank is made of thin double-sided cardboard, for medium compressive strength
  • the bottom is made of double-double or double-sided thick cardboard to support heavy products
  • the lid is made of corrugated cardboard. Double face of medium thickness, to allow a good grip for suction cups.
  • the invention also provides a box obtained with a set of blanks as described above. It also offers a box with polygonal section comprising lateral faces, an upper face forming a cover and a lower face forming the bottom of the box, characterized in that two opposite lateral faces are devoid of flap on the side of the cover and provided with flaps of the side of the bottom, and two other opposite faces are devoid of flap on the side of the bottom and provided with flaps on the side of the cover, said flaps being respectively glued to the upper face and the lower face of the body, and in that the bottom and the cover are respectively formed of a single central flap provided with two opposite free edges and two opposite side flaps, said flaps being respectively glued to the outer surface of corresponding side faces, in line with the respective free edges of said faces.
  • the box is arranged to be formed around a mandrel.
  • FIG. 1 is a top plan view of first blanks belonging to an assembly according to an embodiment of the invention.
  • FIGs 2 and 3 give plan views of the second and third blanks intended to respectively form the bottom and the cover of a box according to the embodiment of the invention more particularly described here. "
  • FIG. 4 is a perspective view of an open box, devoid of a cover, obtained from the blanks of FIGS. 1 and 3.
  • FIG. 5 is a block diagram in perspective, showing the steps for forming the box of FIG. 4.
  • FIG. 6 shows in perspective, the vertical interlocking of two boxes formed according to Figure 4.
  • Figure 1 shows several first blanks 1, l ', l'',__'' • of corrugated sheet material, for example of thin thickness (2 to 3 mm) to form the walls of a box according to the method of embodiment of the invention more particularly described here.
  • Each blank 1 comprises a series 2 of four rectangular flaps 3, 4, 5 and 6 terminated by a bonding tab 7, for example trapezoidal, linked together by first parallel fold lines 8.
  • Each flap comprises on one side a free edge perpendicular to said first fold lines 8 and on the other side an isosceles trapezoidal flap connected to the opposite edge of the free edge, by a second fold line 9 perpendicular to the first fold lines 8
  • the flaps are located on either side of the suite, alternately, sometimes on the side which will be Gelui from the bottom of the box, sometimes on the side which will be that of the cover of the box. More precisely, the series comprises two first identical rectangular flaps 3 and 6 provided with flaps 10 and 11 situated on the same side which will be that of the top of the body, and comprises on the other side two straight straight edges 12 and 13, said first flaps being intended to form the transverse lateral faces of the body.
  • Suite 2 also includes two identical second rectangular flaps 4 and 6 provided with free edges 15 and 16 located on the same side of the suite as the flaps 10 and 11 of the first two flaps 3 and 5,. and each provided respectively with a flap 17 and 18 situated on the same side of the continuation as the free edges of the flaps 3 and 5.
  • flaps 4 and 6 are for their part intended to form the longitudinal lateral faces of the body.
  • the free edges 15 and 16 of the flaps 4 and 6 are respectively provided with two pins 19 for blocking the cover and / or stacking.
  • the nipple is for example formed by a small rectangle located in the extension of the side face, 1 to 2 mm in height.
  • the flaps 17 and 18 are terminated on the side opposite to the fold lines 9, by a free edge comprising two notches 20 of shape complementary to that of the nipples, so that the cardboard scraps are minimized during the flat cutting (cf. . Figure 1), the nipples 19 'of a blank l' fitting into the 20 '' notches of the blank directly adjacent to the ''.
  • edges of the flaps 10 ', 11' of the blank 2 ' are also in contact with the free edges 12' ', 13' 'of the adjacent blank 1' ', which minimizes cardboard losses.
  • the second fold lines 9 between flaps and flaps are offset slightly, for example by a half thickness of cardboard, relative to the free edges of the adjacent flaps.
  • they are aligned with said edges.
  • Figure 2 shows a plan view of a second blank 21 intended to form the bottom of the box.
  • the blank 21 comprises a rectangular central flap 22 suitable for forming the lower face of the body, in one piece, and two trapezoidal flaps 23 and 24, opposite, connected on either side to the flap 22 by fold lines 25.
  • the other two opposite edges 26 and 27 of the flap 22 are free.
  • FIG. 3 shows a plan view of the third blank 28 intended to form the cover of the box.
  • the blank 28 comprises a rectangular central flap 29 capable of forming the lower face of the box, in one piece.
  • the central flap 29 is provided with two identical, opposite trapezoidal flaps 30 and 31, connected to said flap by fold lines 32 and two free edges 33 and 34.
  • Each fold line 32 has two slots 35 adapted to cooperate with the pins 19 of the body.
  • FIG. 4 shows a box 36, open, of rectangular section, formed from the first blank 1 and the second blank 21. It has a belt of lateral faces 3, 4, 5 and 6 terminated by a bonding tab, glued to the external face of the wall 3 adjacent to the shutter 6.
  • FIG. 5 schematically shows a method of forming the body 6, by winding a blank 1 around a mandrel (not shown), after bonding the bottom wall 21 to the lower flap 17 of the longitudinal flap 4 of the continuation 2, in a manner known in itself.
  • the assembly is wound around the mandrel after gluing of the second flap 18, of the tongue 7, and of the flaps 23 and 24, then by plate, by pressurization (jacks and / or push plates) of the flaps on the external faces of the shutters concerned opposite.
  • the present invention is not limited to the embodiments more particularly described. On the contrary, it embraces all variants and in particular those where the body is folded glued, the bottom being simply folded down on the continuation for the transport.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

The invention concerns an assembly of blanks and a box made of corrugated sheet or the like designed to form a box (36) with polygonal cross-section. The box comprises a first blank including a series of four panels (3, 4, 5, 6), each panel comprising on one side a free edge (12, 13, 15, 16) and on the other a flap (10, 11, 17, 18) arranged opposite the adjacent panel, bonded on the bottom or on the lid. It further comprises second and third blanks (21, 28) designed respectively to form the bottom and the lid of the box, each including a central flap (22, 29) provided with two opposite free edges (26, 27, 33, 34) and two opposite lateral flaps (23, 24, 30, 31), bonded at right angle with the respective free edges (12, 13, 15, 16) of the adjacent flaps.

Description

ENSEMBLE DE FLANS ET CAISSE A SECTION POLYGONALEBLANK AND BOX ASSEMBLY WITH POLYGONAL SECTION
La présente invention concerne un ensemble de flans de matière en feuille de carton ou équivalent destinée à former une caisse à section polygonale comportant des faces latérales, une face supérieure formant couvercle et une face intérieure formant le fond de la caisse.The present invention relates to a set of blanks of cardboard sheet material or equivalent intended to form a box with polygonal section comprising lateral faces, an upper face forming a cover and an inner face forming the bottom of the box.
Elle concerne également une telle caisse. On connaît déjà des caisses polygonales, en particulier propres à être montées autour de mandrin à partir de flans constitués par une suite de volets munis de part et d'autre d'ensemble de rabats destinés à former le fond et le couvercle de la caisse.It also relates to such a fund. Polygonal boxes are already known, in particular suitable for being mounted around a mandrel from blanks formed by a series of flaps provided on either side with a set of flaps intended to form the bottom and the cover of the box.
De telles caisses présentent des avantages notamment au moment du montage et également en résistance à la compression.Such boxes have advantages in particular at the time of assembly and also in resistance to compression.
Néanmoins, elles ne vont pas toujours permettre la constitution de piles solides et stables lors du gerbage de ces caisses sur palette dans la mesure où les caisses peuvent glisser les unes par rapport aux autres .However, they will not always allow the constitution of solid and stable stacks during the stacking of these boxes on a pallet insofar as the boxes can slide relative to each other.
Alternativement ces caisses comportent des faces inférieures et/ou supérieures présentant des surfaces discontinues, non étanches, car formées de plusieurs parties de rabats plus ou moins jointives.Alternatively, these boxes have lower and / or upper faces having discontinuous surfaces, which are not leaktight because they are made up of several parts of flaps which are more or less contiguous.
La présente invention vise à fournir un ensemble de flans et une caisse à section polygonale répondant mieux que ceux antérieurement connus aux exigences de la pratique, notamment en ce qu'elle autorise un bon blocage tant latéral que vertical des caisses en carton ondulé les unes par rapport aux autres tout en proposant des faces inférieures et supérieures de caisse d'une seule pièce.The present invention aims to provide a set of blanks and a box with a polygonal cross-section which responds better than those previously known to the requirements of practice, in particular in that it allows good lateral and vertical locking of the corrugated boxes one by one. compared to others while offering lower and upper body sides in one piece.
Elle permet par ailleurs une fabrication économique des caisses grâce à la mise en oeuvre de flans découpés jointivement, à plat, ce qui minimise les pertes de carton.It also allows economical production of boxes thanks to the use of blanks cut contiguously, flat, which minimizes cardboard losses.
Grâce à l'invention, il est également possible d'optimiser le type de carton utilisé, en choisissant par exemple des qualités de carton différentes pour le couvercle, la ceinture et/ou le fond. Ainsi, les résistances de ces trois parties de la caisse, vont pouvoir varier, ce qui présente un avantage important .Thanks to the invention, it is also possible to optimize the type of cardboard used, for example by choosing different cardboard qualities for the cover, the belt and / or the bottom. Thus, the resistances of these three parts of the body will be able to vary, which has an important advantage.
Dans ce but, l'invention propose essentiellement un ensemble de flans de matière en feuille de carton ondulé ou équivalent destinée à former une caisse à section polygonale comportant des faces latérales, une face supérieure formant couvercle et une face inférieure formant le fond de la caisse, caractérisé en ce que il comporte un premier flan propre à constituer les faces latérales de la caisse, ledit premier flan comprenant une suite de quatre volets rectangulaires terminée par une languette de fixation, reliés entre eux par des lignes de pliage parallèles, chaque volet comprenant d'un coté un bord libre perpendiculaire aux dites lignes de pliage et de l'autre coté un rabat disposé en opposition par rapport au rabat du volet adjacent, lesdits rabats étant agencés pour recouvrir la surface extérieure de ladite face supérieure ou de ladite face inférieure pour y être collées, et en ce que il comporte un deuxième et un troisième flans destinés respectivement à former le fond et le couvercle de la caisse, chacun comportant un volet central pour former la face inférieure ou supérieure, chaque volet central étant muni de deux bords libres opposés et de deux rabats latéraux opposés agencés pour recouvrir au moins partiellement la surface extérieure de deux volets opposés propres à former les faces latérales, au droit des bords libres respectifs desdits volets, pour y être collés. Dans des modes de réalisation avantageux, on a de plus recours à l'une et/ou à l'autre des dispositions suivantes : les rabats de deux volets opposés de la suite de volets propres à former les faces latérales ont des bords latéraux de forme complémentaire ou adaptables aux bords latéraux des rabats des volets adjacents de ladite suite de volets ;To this end, the invention essentially proposes a set of blanks of material of corrugated cardboard sheet or equivalent intended to form a box of polygonal section comprising lateral faces, an upper face forming a cover and a lower face forming the bottom of the box. , characterized in that it comprises a first blank capable of constituting the lateral faces of the box, said first blank comprising a series of four rectangular flaps terminated by a fixing tab, connected together by parallel fold lines, each flap comprising on one side a free edge perpendicular to said fold lines and on the other side a flap disposed in opposition relative to the flap of the adjacent flap, said flaps being arranged to cover the outer surface of said upper face or said lower face to be glued to it, and in that it comprises a second and a third blanks intended respectively to form the bottom and cover of the box, each comprising a central flap to form the lower or upper face, each central flap being provided with two opposite free edges and two opposite lateral flaps arranged to cover at least partially the external surface of two opposite flaps suitable for forming the lateral faces, in line with the respective free edges of said flaps, to be glued to them. In advantageous embodiments, recourse is had to one and / or the other of the following arrangements: the flaps of two opposite flaps of the series of flaps suitable for forming the lateral faces have lateral edges of shape complementary or adaptable to the lateral edges of the flaps of the adjacent flaps of said series of flaps;
- les rabats de la suite de volets sont de forme trapézoïdale ;- The flaps of the series of flaps are trapezoidal;
- les bords libres supérieurs de deux des volets latéraux destinés à former l'es parois latérales de la caisse sont munis d'au moins un téton de gerbage, et les lignes de pliage des rabats du volet central de la paroi de couvercle comporte une ou plusieurs encoches correspondantes ; - au moins deux flans parmi les premier, deuxième et troisième flans sont en carton ondulé de qualité et/ou d'épaisseur différentes.- the upper free edges of two of the side flaps intended to form the side are sides of the case are provided with at least one stacking tab, and the flaps of the folding lines of the central flap of the lid wall comprises one or several corresponding notches; - At least two blanks among the first, second and third blanks are corrugated cardboard of different quality and / or thickness.
Par exemple, le premier flan est en carton double face de faible épaisseur, pour une résistance à la compression moyenne, le fond en cartorî double-double ou double face de forte épaisseur pour supporter des produtis lourds et le couvercle en carton ondulé double face de moyenne épaisseur, pour permettre une bonne préhension pour ventouses aspirantes.For example, the first blank is made of thin double-sided cardboard, for medium compressive strength, the bottom is made of double-double or double-sided thick cardboard to support heavy products and the lid is made of corrugated cardboard. double face of medium thickness, to allow a good grip for suction cups.
L'invention propose également une caisse obtenue avec un ensemble de flans tel que décrit ci-dessus. Elle propose encore une caisse à section polygonale comprenant des faces latérales, une face supérieure formant couvercle et une face inférieure formant le fond de la caisse, caractérisée en ce que deux faces latérales opposées sont dénuées de rabat du coté du couvercle et munies de rabats du coté du fond, et deux autres faces opposées sont dénuées de rabat du coté du fond et munies de rabats du coté du couvercle, lesdits rabats étant respectivement collés sur la face supérieure et la face inférieure de la caisse, et en ce que le fond et le couvercle sont respectivement formés d'un seul volet central muni de deux bords libres opposés et de deux rabats latéraux opposés, lesdits rabats étant respectivement collés sur la surface extérieure de faces latérales correspondantes, au droit des bords libres respectifs desdites faces.The invention also provides a box obtained with a set of blanks as described above. It also offers a box with polygonal section comprising lateral faces, an upper face forming a cover and a lower face forming the bottom of the box, characterized in that two opposite lateral faces are devoid of flap on the side of the cover and provided with flaps of the side of the bottom, and two other opposite faces are devoid of flap on the side of the bottom and provided with flaps on the side of the cover, said flaps being respectively glued to the upper face and the lower face of the body, and in that the bottom and the cover are respectively formed of a single central flap provided with two opposite free edges and two opposite side flaps, said flaps being respectively glued to the outer surface of corresponding side faces, in line with the respective free edges of said faces.
Avantageusement, la caisse est agencée pour être formée autour d'un mandrin. L'invention sera mieux comprise à la lecture de la description qui suit d'un mode de réalisation donné ci-après à titre d'exemple non limitatif.Advantageously, the box is arranged to be formed around a mandrel. The invention will be better understood on reading the following description of an embodiment given below by way of non-limiting example.
La description se réfère aux dessins qui l'accompagnent dans lesquels : - La figure 1 est une vue de dessus en plan de premiers flans appartenant à un ensemble selon un mode de réalisation de l'invention. - Les figures 2 et 3 donnent des vues en plan des deuxième et troisième flans destinés à former respectivement le fond et le couvercle d'une caisse selon le mode de réalisation de l'invention plus particulièrement décrit ici . " The description refers to the accompanying drawings in which: - Figure 1 is a top plan view of first blanks belonging to an assembly according to an embodiment of the invention. - Figures 2 and 3 give plan views of the second and third blanks intended to respectively form the bottom and the cover of a box according to the embodiment of the invention more particularly described here. "
- La figure 4 est une vue en perspective d'une boîte ouverte, dénuée de couvercle, obtenue à partir des flans des figures 1 et 3.FIG. 4 is a perspective view of an open box, devoid of a cover, obtained from the blanks of FIGS. 1 and 3.
La figure 5 est un schéma synoptique en perspective, montrant les étapes de formation de la boîte de la figure 4.FIG. 5 is a block diagram in perspective, showing the steps for forming the box of FIG. 4.
- La figure 6 montre en perspective, l'emboîtement vertical de deux caisses formées selon la figure 4.- Figure 6 shows in perspective, the vertical interlocking of two boxes formed according to Figure 4.
La figure 1 montre plusieurs premiers flans 1, l', l'', __ ' ' • de matière en feuille de carton ondulé par exemple de faible épaisseur (2 à 3 mm) pour former les parois d'une caisse selon le mode de réalisation de l'invention plus particulièrement décrit ici.Figure 1 shows several first blanks 1, l ', l'',__'' • of corrugated sheet material, for example of thin thickness (2 to 3 mm) to form the walls of a box according to the method of embodiment of the invention more particularly described here.
Chaque flan 1 comprend une suite 2 de quatre volets rectangulaires 3, 4, 5 et 6 terminée par une languette de collage 7 par exemple trapézoïdale, reliés entre eux par des premières lignes de pliage parallèles 8.Each blank 1 comprises a series 2 of four rectangular flaps 3, 4, 5 and 6 terminated by a bonding tab 7, for example trapezoidal, linked together by first parallel fold lines 8.
Chaque volet comprend d'un côté un bord libre perpendiculaire aux dites premières lignes de pliage 8 et de l'autre côté un rabat trapézoïdal isocèle relié au bord opposé du bord libre, par une seconde ligne de pliage 9 perpendiculaire aux premières lignes de pliage 8. Les rabats sont situés de part et d'autre de la suite, en alternance, tantôt du côté qui sera Gelui du fond de la caisse, tantôt du côté qui sera celui du couvercle de la caisse. Plus précisément, la suite comporte deux premiers volets rectangulaires identiques 3 et 6 munis de rabats 10 et 11 situés du même côté qui sera celui du dessus de la caisse, et comprend de l'autre côté deux bords libres rectilignes 12 et 13, lesdits premiers volets étant destinés à former les faces latérales transversales de la caisse.Each flap comprises on one side a free edge perpendicular to said first fold lines 8 and on the other side an isosceles trapezoidal flap connected to the opposite edge of the free edge, by a second fold line 9 perpendicular to the first fold lines 8 The flaps are located on either side of the suite, alternately, sometimes on the side which will be Gelui from the bottom of the box, sometimes on the side which will be that of the cover of the box. More precisely, the series comprises two first identical rectangular flaps 3 and 6 provided with flaps 10 and 11 situated on the same side which will be that of the top of the body, and comprises on the other side two straight straight edges 12 and 13, said first flaps being intended to form the transverse lateral faces of the body.
Celles-ci comportent avantageusement chacune un évidement central 14 , formant poignée . La suite 2 comporte également deux seconds volets rectangulaires identiques 4 et 6 munis de bords libres 15 et 16 situés du même côté de la suite que les rabats 10 et 11 des deux premiers volets 3 et 5, . et munis chacun respectivement d'un rabat 17 et 18 situés du même côté de ïa suite que les bords libres des volets 3 et 5.These advantageously each comprise a central recess 14, forming a handle. Suite 2 also includes two identical second rectangular flaps 4 and 6 provided with free edges 15 and 16 located on the same side of the suite as the flaps 10 and 11 of the first two flaps 3 and 5,. and each provided respectively with a flap 17 and 18 situated on the same side of the continuation as the free edges of the flaps 3 and 5.
Ces deux volets 4 et 6 sont quant à eux destinés à former les faces latérales longitudinales de la caisse . Dans le mode de réalisation plus particulièrement décrit les bords libres 15 et 16 des volets 4 et 6 sont respectivement munis de deux tétons 19 de blocage du couvercle et/ou de gerbage . Le téton est par exemple formé par un petit rectangle situé dans le prolongement de la face latérale, de 1 à 2 mm de hauteur.These two flaps 4 and 6 are for their part intended to form the longitudinal lateral faces of the body. In the embodiment more particularly described, the free edges 15 and 16 of the flaps 4 and 6 are respectively provided with two pins 19 for blocking the cover and / or stacking. The nipple is for example formed by a small rectangle located in the extension of the side face, 1 to 2 mm in height.
Symétriquement les rabats 17 et 18 sont terminés du côté opposé aux lignes de pliage 9, par un bord libre comprenant deux encoches 20 de forme complémentaire à celle des tétons, de sorte que les chutes de carton sont minimisées lors de la découpe à plat (cf. figure 1), les tétons 19' d'un flan l' s 'encastrant dans les encoches 20'' du flan directement adjacent l''.Symmetrically the flaps 17 and 18 are terminated on the side opposite to the fold lines 9, by a free edge comprising two notches 20 of shape complementary to that of the nipples, so that the cardboard scraps are minimized during the flat cutting (cf. . Figure 1), the nipples 19 'of a blank l' fitting into the 20 '' notches of the blank directly adjacent to the ''.
Les bords des rabats 10', 11' du flan 2 ' sont par ailleurs au contact des bords libres 12'', 13'' du flan adjacent l'', ce qui minimise les pertes de carton.The edges of the flaps 10 ', 11' of the blank 2 'are also in contact with the free edges 12' ', 13' 'of the adjacent blank 1' ', which minimizes cardboard losses.
Dans le mode de réalisation plus particulièrement décrit ici, les secondes lignes de pliages 9 entre rabats et volets sont décalées légèrement, par exemple d'une demi épaisseur de carton, par rapport aux bords libres des volets adjacents.In the embodiment more particularly described here, the second fold lines 9 between flaps and flaps are offset slightly, for example by a half thickness of cardboard, relative to the free edges of the adjacent flaps.
Dans un autre mode de réalisation, elles sont alignées avec lesdits bords.In another embodiment, they are aligned with said edges.
La figure 2 montre une vue en plan d'un deuxième flan 21 destiné à former le fond de la caisse.Figure 2 shows a plan view of a second blank 21 intended to form the bottom of the box.
Le flan 21 comporte un volet central rectangulaire 22 propre à former la face inférieure de la caisse, d'une seule pièce, et deux rabats trapézoïdaux 23 et 24, opposés, reliés de part et d'autre au volet 22 par des lignes de pliage 25. Les deux autres bords opposés 26 et 27 du volet 22 sont libres.The blank 21 comprises a rectangular central flap 22 suitable for forming the lower face of the body, in one piece, and two trapezoidal flaps 23 and 24, opposite, connected on either side to the flap 22 by fold lines 25. The other two opposite edges 26 and 27 of the flap 22 are free.
Les rabats 23 et 24 sont destinés à être collés sur les faces externes des volets 3 et 5 , formant les parois latérales transversales de la caisse. La figure 3 montre quant à elle une vue en plan du troisième flan 28 destiné à former le couvercle de la caisse .The flaps 23 and 24 are intended to be glued to the external faces of the flaps 3 and 5, forming the transverse lateral walls of the box. Figure 3 shows a plan view of the third blank 28 intended to form the cover of the box.
Le flan 28 comprend un volet central 29 rectangulaire propre à former la face inférieure de la caisse, d'une seule pièce.The blank 28 comprises a rectangular central flap 29 capable of forming the lower face of the box, in one piece.
Le volet central 29 est muni de deux rabats trapézoïdaux 30 et 31 identiques, opposés, reliés audit volet par des lignes de pliage 32 et de deux bords libres 33 et 34. Chaque ligne de pliage 32 comporte deux fentes 35 propres à coopérer avec les tétons 19 de la caisse.The central flap 29 is provided with two identical, opposite trapezoidal flaps 30 and 31, connected to said flap by fold lines 32 and two free edges 33 and 34. Each fold line 32 has two slots 35 adapted to cooperate with the pins 19 of the body.
Dans la suite de la description, on utilisera les mêmes numéros de référence pour désigner les mêmes éléments .In the following description, the same reference numbers will be used to designate the same elements.
La figure 4 montre une caisse 36, ouverte, à section rectangulaire, formée à partir du premier flan 1 et du second flan 21. Elle présente une ceinture de faces latérales 3, 4, 5 et 6 terminée par une languette de collage, collée sur la face externe de la paroi 3 adjacente au volet 6.FIG. 4 shows a box 36, open, of rectangular section, formed from the first blank 1 and the second blank 21. It has a belt of lateral faces 3, 4, 5 and 6 terminated by a bonding tab, glued to the external face of the wall 3 adjacent to the shutter 6.
Les deux faces latérales opposées 3 et 5 comportent des rabats 10 et 11 en partie supérieure et sont dénuées de rabats en partie inférieure, partie inférieure sur la surface externe de laquelle sont respectivement collés les rabats 23 et 24 du volet central 22 du fond. La figure 5 montre schématiquement un mode de formation de la caisse 6, par enroulement d'un flan 1 autour d'un mandrin (non représenté) , après collage de la paroi 21 de fond sur le rabat inférieur 17 du volet longitudinal 4 de la suite 2, de façon connue en elle-même.The two opposite lateral faces 3 and 5 have flaps 10 and 11 in the upper part and are devoid of flaps in the lower part, lower part on the external surface of which the flaps 23 and 24 of the central flap 22 of the bottom are respectively stuck. FIG. 5 schematically shows a method of forming the body 6, by winding a blank 1 around a mandrel (not shown), after bonding the bottom wall 21 to the lower flap 17 of the longitudinal flap 4 of the continuation 2, in a manner known in itself.
L'ensemble est enroulé autour du mandrin après encollage du deuxième rabat 18, de la languette 7, et des rabats 23 et 24, puis par plaque, par mise en pression (vérins et/ou plaques pousseuses) des rabats sur les faces externes des volets concernés en vis à vis .The assembly is wound around the mandrel after gluing of the second flap 18, of the tongue 7, and of the flaps 23 and 24, then by plate, by pressurization (jacks and / or push plates) of the flaps on the external faces of the shutters concerned opposite.
Puis, après remise à la verticale et remplissage de la caisse, on vient recouvrir la caisse ouverte par le flan 28 du couvercle, les encoches ou fentes 35 venant s'encastrer sur les tétons 19, et les rabats préalablement encollés 30 et 31 étant refermés sur les bords libres 15 et 16 des parois latérales. La forme des bords latéraux 37 des rabats 10 et 11 collés sur les faces externes du volet central 29 du couvercle est complémentaire de celle des bords 38' de rabats 17', 18' collés sur la face externe du volet central 22' du fond, ce qui permet l'encastrement du fond de la caisse du dessus sur le couvercle de la caisse du dessous, les dimensions desdits rabats étant par ailleurs agencées pour permettre une jonction bord à bord de ces rabats.Then, after vertical delivery and filling of the box, we come to cover the open box by the blank 28 of the cover, the notches or slots 35 coming to be embedded on the pins 19, and the previously glued flaps 30 and 31 being closed on the free edges 15 and 16 of the side walls. The shape of the lateral edges 37 of the flaps 10 and 11 glued to the external faces of the central flap 29 of the cover is complementary to that of the edges 38 'of flaps 17', 18 'glued to the external face of the central flap 22' of the bottom, which allows the embedding of the bottom of the top box on the cover of the bottom box, the dimensions of said flaps being also arranged to allow an edge to edge junction of these flaps.
Un tel encastrement, bord à bord, exclut tout glissement d'une caisse 36 par rapport à l'autre 36'. (cf. figure 6) .Such embedding, edge to edge, excludes any sliding of a box 36 relative to the other 36 '. (cf. figure 6).
Comme il va de soi et comme il résulte également de ce qui précède, la présente invention n'est pas limitée aux modes de réalisation plus particulièrement décrits. Elle en embrasse au contraire toutes les variantes et notamment celles où la caisse est pliée collée, le fond étant simplement rabattu sur la suite pour le tranport . 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 variants and in particular those where the body is folded glued, the bottom being simply folded down on the continuation for the transport.

Claims

REVENDICATIONS
1. Ensemble de flans de matière en feuille de carton ondulé ou équivalent destiné à former une caisse (36, 36') à section polygonale comportant des faces latérales, une face supérieure formant couvercle et une face inférieure formant le fond de la caisse, caractérisé en ce que il comporte un premier flan (1, l', l'') propre à constituer les faces latérales de la caisse, ledit premier flan comprenant une suite (2) de quatre volets (3, 4, 5, 6) rectangulaires terminée par une languette (7) de fixation, reliés entre eux par des lignes de pliage (8) parallèles, chaque volet comprenant d'un coté, un bord libre (12 13, 15, 16) perpendiculaire aux dites lignes de pliage et de l'autre coté un rabat (10, 11, 17, 18) disposé en opposition par rapport au rabat du volet adjacent, lesdits rabats étant agencés pour recouvrir la surface extérieure de ladite face supérieure ou de ladite face inférieure pour y être collées, et en ce que il comporte un deuxième et un troisième flans (21, 28) destinés respectivement à former le fond et le couvercle de la caisse, chacun comportant un volet central (22, 29) pour former la face inférieure ou supérieure, chaque volet central étant muni de deux bords libres opposés (26, 27, 33, 34) et de deux rabats latéraux opposés (23, 24 ; 30, 31) agencés pour recouvrir au moins partiellement la surface extérieure de deux volets opposés propres à former les faces latérales, au droit des bords libres (12, 13 ; 15, 16)) respectifs desdits volets, pour y être collées. 1. Set of blanks of material of corrugated cardboard sheet or equivalent intended to form a box (36, 36 ') with polygonal section comprising lateral faces, an upper face forming a cover and a lower face forming the bottom of the box, characterized in that it comprises a first blank (1, l ', l'') capable of constituting the lateral faces of the box, said first blank comprising a series (2) of four rectangular flaps (3, 4, 5, 6) terminated by a fixing tongue (7), interconnected by parallel fold lines (8), each flap comprising on one side , a free edge (12 13, 15, 16) perpendicular to said fold lines and on the other side a flap (10, 11, 17, 18) disposed in opposition with respect to the flap of the adjacent flap, said flaps being arranged to cover the exterior surface of said upper face or of said lower face so as to be glued thereto, and in that it comprises a second and a third flans (21, 28) respectively intended to form the bottom and the cover of the box, each comprising a central flap (22, 29) to form the lower or upper face, each central flap being provided with two opposite free edges (26 , 27, 33, 34) and two opposite side flaps (23, 24; 30, 31) arranged to cover at least partially the external surface of two opposite flaps suitable for forming the lateral faces, in line with the free edges (12, 13; 15, 16)) respective of said flaps, to be glued thereto.
2. Ensemble de flans selon la revendication 1, caractérisé en ce que les rabats (10, 11) de deux volets opposés (3, 5) de la suite de volet propres à former les faces latérales ont des bords latéraux (37) de forme compl-émentaire aux bords latéraux (38) des rabats (17, 18) des volets adjacents (4, 5) de ladite suite de volets .2. Set of blanks according to claim 1, characterized in that the flaps (10, 11) of two opposite flaps (3, 5) of the series of flaps suitable for forming the side faces have lateral edges (37) complementary to the lateral edges (38) of the flaps (17, 18) of the adjacent flaps (4, 5) of said series of flaps.
3. Ensemble de flans selon la revendication 2, caractérisé en ce que les rabats (10, 11, 17, 18) de la suite de volets sont de forme trapézoïdale.3. Set of blanks according to claim 2, characterized in that the flaps (10, 11, 17, 18) of the series of flaps are of trapezoidal shape.
4. Ensemble de flans selon l'une quelconque des revendications précédentes, caractérisé en ce que les bords libres supérieurs (15, 16) de deux des volets latéraux (4, 6) destinés à former les parois latérales de la caisse sont munis d'au moins un téton (19) , et en ce que les lignes de pliage (32) des rabats (30, 31) du volet central (29) de la paroi de couvercle comporte une ou plusieurs encoches (35) correspondantes.4. Set of blanks according to any one of the preceding claims, characterized in that the upper free edges (15, 16) of two of the side flaps (4, 6) intended to form the side walls of the box are provided with at least one stud (19), and in that the fold lines (32) of the flaps (30, 31) of the central flap (29) of the cover wall comprises one or more corresponding notches (35).
5. Ensemble de flans selon l'une quelconque des revendications précédentes, caractérisé en ce que au moins deux flans parmi les premier, deuxième et troisième flans sont en carton ondulé de qualité et/ou d'épaisseurs différentes.5. Set of blanks according to any one of the preceding claims, characterized in that at least two blanks from the first, second and third blanks are made of corrugated cardboard of different quality and / or thicknesses.
6. Caisse (36) de matière en feuille de carton ondulé ou équivalent, présentant une section polygonale, comportant des faces latérales, une face supérieure formant le couvercle et une face inférieure formant le fond de la caisse, caractérisée en ce que deux faces latérales opposées (4, 6) sont dénuées de rabat du coté du couvercle et munies de rabats (17, 18) du coté du fond, et deux autres faces opposées (3, 5) sont dénuées de rabat du coté du fond et munies de rabats (10, 11) du coté du couvercle, lesdits rabats étant respectivement collés sur la face supérieure et la face inférieure de la caisse, et en ce que le fond (21) et le couvercle (28) sont respectivement formés d'un seul volet central (22, 29) muni de deux bords libres opposés (26, 27 ; 33, 34) et de deux rabats latéraux opposés (23, 24 ; 30, 31) , lesdits rabats étant respectivement collés sur la surface extérieure de deux faces latérales correspondantes au droit des bords libres respectifs desdites faces .6. Box (36) of corrugated cardboard sheet material or equivalent, having a polygonal section, comprising lateral faces, an upper face forming the cover and a lower face forming the bottom of the box, characterized in that two lateral faces opposite (4, 6) are devoid of flap on the side of the cover and provided with flaps (17, 18) on the side of the bottom, and two other faces opposite (3, 5) are devoid of flap on the side of the bottom and provided with flaps (10, 11) on the side of the cover, said flaps being respectively glued to the upper face and the lower face of the body, and in that the bottom (21) and cover (28) are respectively formed of a single central flap (22, 29) provided with two opposite free edges (26, 27; 33, 34) and two opposite side flaps (23, 24; 30, 31), said flaps being respectively glued to the outer surface of two lateral faces corresponding to the right of the respective free edges of said faces.
7. Caisse selon la revendication 6, caractérisée en ce que les rabats des faces latérales constituent des excroissances en saillie par rapport aux surfaces extérieures des dites faces supérieure et inférieure, dont les bords latéraux des rabats de deux faces latérales adjacentes sont de formes adaptées ou complémentaires, pour permettre un emboîtement avec les rabats d'une caisse disposée en dessous ou au dessus .7. Box according to claim 6, characterized in that the flaps of the lateral faces constitute protruding protrusions relative to the exterior surfaces of said upper and lower faces, the lateral edges of the flaps of two adjacent lateral faces are of adapted shapes or complementary, to allow nesting with the flaps of a box arranged below or above.
8. Caisse selon la revendication 7, caractérisée en ce que les rabats des faces latérales sont de forme trapézoïdale. 8. Box according to claim 7, characterized in that the flaps of the lateral faces are of trapezoidal shape.
9. Caisse selon l'une quelconque des revendications 6 à 8, caractérisé en ce que les bords libres supérieurs (15, 16) de deux des volets latéraux (4, 6) destinés à former les parois latérales de la caisse sont munis d'au moins un téton (19) , et en ce que les lignes de pliage (32) des rabats (30, 31) de la paroi (29) du couvercle comporte une ou plusieurs encoches (35) correspondantes. 9. Box according to any one of claims 6 to 8, characterized in that the upper free edges (15, 16) of two of the side flaps (4, 6) intended to form the side walls of the box are provided with at least one stud (19), and in that the fold lines (32) of the flaps (30, 31) of the wall (29) of the cover comprises one or more corresponding notches (35).
10. Caisse selon l'une quelconque des revendications 6 à 9, caractérisé en ce que elle est agencé pour être formée autour d'un mandrin. 10. Box according to any one of claims 6 to 9, characterized in that it is arranged to be formed around a mandrel.
EP03740580A 2002-04-08 2003-04-08 Assembly of blanks and box with polygonal cross-section Expired - Lifetime EP1494926B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0204377A FR2838103B1 (en) 2002-04-08 2002-04-08 BLANK AND BOX ASSEMBLY WITH POLYGONAL SECTION
FR0204377 2002-04-08
PCT/FR2003/001107 WO2003084823A2 (en) 2002-04-08 2003-04-08 Assembly of blanks and box with polygonal cross-section

Publications (2)

Publication Number Publication Date
EP1494926A2 true EP1494926A2 (en) 2005-01-12
EP1494926B1 EP1494926B1 (en) 2006-07-19

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EP03740580A Expired - Lifetime EP1494926B1 (en) 2002-04-08 2003-04-08 Assembly of blanks and box with polygonal cross-section

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EP (1) EP1494926B1 (en)
AT (1) ATE333418T1 (en)
DE (1) DE60306912T2 (en)
FR (1) FR2838103B1 (en)
WO (1) WO2003084823A2 (en)

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Publication number Priority date Publication date Assignee Title
DE102014013465A1 (en) * 2014-09-17 2016-03-17 Casimir Kast Verpackung und Display GmbH Folding box and method for its production

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Publication number Priority date Publication date Assignee Title
FR1589537A (en) * 1968-10-16 1970-03-31
US3767109A (en) * 1972-04-17 1973-10-23 Gift Box Corp Of America Box cover and combination cover and box
BE837507A (en) * 1976-01-13 1976-05-03 PACKAGING BOX WITH GLUED LIDS
JPS59115238A (en) * 1982-12-11 1984-07-03 頼子　玉 Assembly of polygonal carton
NL1012113C2 (en) * 1999-05-20 2000-11-21 Kappa Trimbach B V Packaging, containing a series of subpackages.

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Title
See references of WO03084823A3 *

Also Published As

Publication number Publication date
ATE333418T1 (en) 2006-08-15
FR2838103A1 (en) 2003-10-10
DE60306912D1 (en) 2006-08-31
FR2838103B1 (en) 2004-07-09
WO2003084823A3 (en) 2004-04-01
DE60306912T2 (en) 2007-02-15
EP1494926B1 (en) 2006-07-19
WO2003084823A2 (en) 2003-10-16

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