EP0929448A1 - Crate and blank made of a paperboard sheet material - Google Patents

Crate and blank made of a paperboard sheet material

Info

Publication number
EP0929448A1
EP0929448A1 EP97935615A EP97935615A EP0929448A1 EP 0929448 A1 EP0929448 A1 EP 0929448A1 EP 97935615 A EP97935615 A EP 97935615A EP 97935615 A EP97935615 A EP 97935615A EP 0929448 A1 EP0929448 A1 EP 0929448A1
Authority
EP
European Patent Office
Prior art keywords
flaps
height
rectangular
tray
walls
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.)
Ceased
Application number
EP97935615A
Other languages
German (de)
French (fr)
Inventor
Gilles Durfort
Jean-Yves Bacques
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 EP0929448A1 publication Critical patent/EP0929448A1/en
Ceased 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
    • B65D5/0015—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 the container being formed by folding up portions connected to a central panel
    • 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 an open tray of cardboard sheet material of the type comprising a belt of side walls connected to a bottom by first fold lines, namely two first opposite side walls respectively connected on either side at two seconds opposite side walls, via end flaps to form reinforced corner corners.
  • the present invention v to provide a tray and a blank meeting better than those previously known to the requirements of practice, in particular in that it allows to make visible at least partly the products contained in the tray and in that it allows a significant saving of cardboard, thus resulting in a more attractive cost price. To do this, it starts in particular from the idea of using at least partly the contents of the packaging to support the upper trays during stacking.
  • the invention essentially provides an open tray of cardboard sheet material comprising a belt of side walls connected to a bottom by first fold lines, namely two opposite first walls respectively connected to two opposite second side walls via end flaps to form reinforced corner corners, characterized in that the two corner corners on the same diagonal are of a first height and the other two corner corners on the opposite diagonal are of a second height smaller than the first height.
  • the first walls have a rectangular trapezoidal shape; the first walls are formed by at least two rectangular or substantially rectangular parts of different heights; the second walls have a rectangular trapezoidal shape; the second walls are formed by at least two rectangular or substantially rectangular parts of different heights; the first walls are respectively connected on either side by second fold lines to the end flaps; two end flaps are connected to the first walls on the side of greatest height and the other two flaps are connected to the second side walls of the side of smallest height; the corner corners of the tray of a first height are provided with stacking lugs, arranged to cooperate with corresponding orifices, of complementary shape, located in the bottom of the tray.
  • the invention also provides a blank for forming a tray comprising a rectangular central panel provided on each side with a flap, namely two opposite first flaps and two opposite second flaps, characterized in that the first flaps have a part d end of a first height and the other end portion of a second height different from said first height, said first flaps being symmetrical with respect to the center of the central panel.
  • first flaps are respectively connected on either side by first fold lines to end flaps and the second flaps are devoid of flaps.
  • two flaps are connected to the first flaps on the side of the greatest height, and the other two flaps are connected to the second flaps on the side of the smallest height.
  • each first flap has a rectangular trapezoidal shape.
  • each first flap is formed by at least two rectangular or substantially rectangular parts of different heights.
  • the invention also advantageously proposes a blank characterized in that the second flaps have a rectangular trapezoidal shape, or are formed by at least two rectangular or substantially rectangular parts of different heights.
  • the invention also provides a set of blanks of the type described above, characterized in that it consists of a series of adjacent blanks, flat, the outer edges relative to the central panel of the first flaps and flap of each blank being joined, over their entire lengths (strictly 'or substantially all their lengths, with the outer edges of the first flaps of the blank immediately adjacent.
  • the assembly is characterized in that, in addition, the outer edges with respect to the central panel of the second flaps and of the flaps of the first corresponding flaps of at least two adjacent blanks are also joined together, two by two .
  • the invention will be better understood on reading the embodiments given below by way of nonlimiting examples.
  • Figure 1 is a top view of a blank for tray of known type.
  • Figure 2 shows, in perspective, two trays sheaves one on the other, obtained with blanks according to Figure 1 of the prior art.
  • Figure 3 is a top view of a first embodiment of a blank according to the invention.
  • Figure 4 is a perspective view of two trays stacked one on the other obtained with blanks according to Figure 3.
  • - Figure 5 is a plan view of a set of nested blanks of the type described with reference to Figure 3.
  • Figure 6 is a plan view of a set of nested blanks, according to another embodiment of one invention.
  • Figures 7 and 8 are two plan views of blank assemblies according to other embodiments of the invention.
  • FIGS 9 and 10 show two plan views of blank assemblies according to two other embodiments of the invention with double nesting.
  • the same reference numbers are used to designate the identical blank and tray elements.
  • Figures 1 and 2 show a blank l, and trays 1 obtained with such blanks, in double-sided corrugated cardboard sheet, according to the prior art, comprising a belt 2 of side walls or rectangular flaps, namely two first flaps opposite 3 and 4, and two second opposite flaps 5 and 6, of shorter length than the first flaps.
  • the walls are connected by first fold lines 7, perpendicular two by two, to a rectangular central panel 8 forming the bottom of the tray.
  • the two walls obtained from the first flaps 3 and 4 opposite, are of the same height over their entire length and of equal height between them.
  • second fold lines 9 perpendicular or substantially perpendicular to the first fold lines, to rectangular end flaps 10, of the same height as the first flaps and of the same transverse dimension, or width, as the second adjacent walls 5 and 6, which are rectangular or substantially rectangular and devoid of ra ats.
  • the plate 1 also comprises four corner pins 11, constituted for example by rectangular parts projecting from the upper edge 12, external with respect to the central panel, first side walls or first flaps 3 and 4.
  • Each rectangular part constituting said studs is astride, and symmetrical with respect to, the corresponding second fold line 9, to form said studs which adopt, when the plate is formed, an angle shape rectangular arranged to fit (Cf. Figure 2) in open recesses or slots 13, formed at the end and straddling the first fold lines 7 of junction between shutters and central panel.
  • the slots 13 therefore form stacking orifices 14, in the form of angles angled at right angles to a shape complementary to that of the studs 11 when the plate is formed.
  • Openings 15 are moreover, and for example, formed, centered with respect to the first fold lines 7 of junction of the second flaps 5 and 6, to allow the gripping of the trays sheaves one on the other, as shown.
  • Figures 3 and 4 show a first embodiment of blank and tray 16 according to the invention, in sheet of double-sided corrugated cardboard, which differs from the blanks and trays previously described, in that the first flaps 17 and 17 'are here , no longer rectangular, but trapezoidal, one end part 18, 18 ', flaps being of greater height than the other end 19, 19', for example equal to twice its height.
  • the first flaps are also symmetrical with respect to the center 20 of the rectangular central panel 21.
  • the flaps 22 and 23 (22 ', 23') connected to the flaps 17 (17 ') by second fold lines 24 perpendicular to the first fold lines 25 are for example of identical height at the ends to which they are attached, and likewise length than the second adjacent flaps 26.
  • the second flaps 26 are rectangular, identical, and for example of the same height as the small end 19, 19 '.
  • the blanks and trays 16 according to the embodiment of the invention more particularly described here include stacking pins 27, straddling the upper edge of the two ends 18 and 18 'of greater height and adjacent flaps 23, of the type of pins 11 described with reference to Figures 1 and 2, as well as openings 28, in the lower part of the flaps at the junction lines with the bottom, corresponding to the openings 14, at the four lower corners of the tray, thus allowing stacking by presenting the trays in both directions.
  • the other end 19 and 19 'of small height for its part, comprises, instead of a tenon, a recess of a shape complementary to that of the tenon, which will allow an edge-to-edge embedding of the blanks during the manufacture of these, as shown in Figures 5 to 10.
  • the height of the parts 18 and 18 ′, below the tenon 27, of the plate corresponds to a height of product 29, (in phantom in Figure 4), intended to be contained by the plate, products which to provide rigidity and support for the angle 30 of lower height of the upper plate, during stacking.
  • FIG. 5 shows a board or sheet 31 of corrugated cardboard, cut for example by simultaneous assembly of two blanks or four adjacent blanks
  • the blanks are here cut according to two longitudinal columns 32, 32 ', in the cardboard width.
  • the external edges 33a, 33 ′ has first flaps of the blanks 33, 33 ′, fit perfectly into one another, and are joined with the external edges 34a, 34a ′ of the first flaps of the blanks 34, 34 'of the adjacent lines, including at the studs 35, 36 and the second flaps, without no loss of cardboard.
  • the blanks of the two columns are also contiguous or substantially contiguous at the level of the external edge 37 of their second adjacent flaps 38 and 38 ′.
  • FIG. 6 shows a sheet 40 of corrugated cardboard also allowing the nesting of the first flaps 41 and 42 of two adjacent blanks 43 and 44.
  • each first flap has two adjacent portions 45 and 46 which are substantially rectangular, namely a first portion 45 of great height and a second portion
  • the two rectangular portions 45 and 46 may also not be adjacent, for example by being connected by an intermediate trapezoidal portion or forming a rectangular intermediate bearing.
  • recesses 47 of shape complementary to that of the pins 48, allow an interlocking edge to edge of the first flaps facing two adjacent blanks.
  • Figures 7 and 8 show another arrangement of blanks 50 and 60 according to the invention, the first flaps of a row being fitted with the first adjacent flaps of the next row of blanks and this time being shorter length than the second flaps, which allows for example to provide three adjacent blank columns 51, 52 and 53 or 61, 62 and 63, the outer edges of their second flaps being contiguous and opposite in the transverse direction .
  • Figures 9 and 10 show other embodiments of blanks and set of blanks 70 and 80 according to the invention in which the second flaps 71 and 81 are of identical or similar shape to the shape first flaps 72 and 82, therefore having two ends of different heights.
  • the small height 73 of the second flaps is located on the side of the small height 74 of the first flaps and is for example equal to the latter.
  • the great height 75 of the second flaps is for example equal to the great height 76 of the first flaps.
  • the flaps 77, 87, 78 and 88 are in turn arranged to allow an optimization of the consumption of cardboard and have end edges, 77a and 77b for the flaps on the side of the great height, 78a and 78b for the flaps on the side of the small height, symmetrical in shape with respect to the center 79 of a rectangle 79 'in which said flaps are inscribed, said rectangle 79' being formed by the second fold lines of said flaps with their adjacent flap, and complementary with the end edges of the flaps of the adjacent blank, so as to minimize cardboard scraps, as shown in the figures.
  • Such a configuration of the second flaps and of the flaps allows an optimization of the cutting of the sets of blanks in all the directions of development of the plane, longitudinal and transversely, thus optimizing the use of the sheet of corrugated cardboard to be cut whose width is determined.
  • the present invention is not limited to the embodiments more particularly described, but er. on the contrary embraces all variants and in particular those where the small height is zero, those where the stacking lugs are not straddling the corners, but on the first flap and / or on the second large flap height, those where the second fold lines are inclined inward to form a tray of isosceles trapezoidal cross section.

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

Abstract

A blank and an open crate (16) made of a paperboard sheet material and including a series of enclosing side walls joined to a bottom wall along first fold lines (25), are disclosed. Specifically, the two first opposite side walls (17, 17') are connected to two second opposite side walls (26, 71, 81) via end flaps forming reinforced corner portions. The crate has two corner portions at the same level on one diagonal line, while the other two corner portions on the opposite diagonal line are at a second, lower level.

Description

PLATEAU ET FLAN EN MATIERE EN FEUILLE DE CARTONCARDBOARD SHEET AND BLANK
La présente invention concerne un plateau ouvert en matière en feuille de carton du type comprenant une ceinture de parois latérales reliées à un fond par des premières lignes de pliage, à savoir deux premières parois latérales opposées respectivement reliées de part et d'autre à deux secondes parois latérales opposées, via des rabats d'extrémité pour former des coins d'angle renforcés.The present invention relates to an open tray of cardboard sheet material of the type comprising a belt of side walls connected to a bottom by first fold lines, namely two first opposite side walls respectively connected on either side at two seconds opposite side walls, via end flaps to form reinforced corner corners.
Elle concerne également un flan permettant d'obtenir un tel plateau.It also relates to a blank making it possible to obtain such a tray.
Elle trouve une application particulièrement importante bien que non exclusive dans le domaine des plateaux pour boîtes rigides ou bocaux de hauteur déterminée, comme des boîtes de céréales, des conserves ou des bocaux à cornichons .It finds a particularly important, although not exclusive, application in the field of trays for rigid boxes or jars of determined height, such as cereal boxes, canned goods or pickle jars.
On connaît dé] à des plateaux du type décrit ci- dessus . Ils présentent l'inconvénient de ne pas laisser apparaître clairement les produits qu'ils contiennent, notamment lorsqu'ils sont vus par la tranche .There are known to trays of the type described above. They have the drawback of not allowing the products they contain to appear clearly, in particular when they are seen by the edge.
De plus leur découpe implique des pertes άe carton lors de la fabrication.In addition, cutting them involves losses of cardboard during manufacture.
La présente invention v se à fournir un plateau et un flan répondant mieux que ceux antérieurement connus aux exigences de la pratique, notamment en ce qu'elle permet de rendre visible au moins en partie les produits contenus dans le plateau et en ce qu'elle autorise une économie importante de carton, entraînant ainsi un coût de revient plus intéressant . Pour ce faire, elle part notamment de l'idée d'utiliser au moins en partie le contenu de l'emballage pour supporter les plateaux supérieurs lors du gerbage . Dans ce but l'invention propose essentiellement un plateau ouvert en matière en feuille de carton comprenant une ceinture de parois latérales reliées à un fond par des premières lignes de pliage, à savoir deux premières parois opposées respectivement reliées à deux secondes parois latérales opposées via des rabats d'extrémité pour former des coins d'angle renforcés, caractérisé en ce que les deux coins d'angle sur une même diagonale sont d'une première hauteur et les deux autres coins d'angle sur la diagonale opposée sont d'une deuxième hauteur plus petite que la première hauteur.The present invention v to provide a tray and a blank meeting better than those previously known to the requirements of practice, in particular in that it allows to make visible at least partly the products contained in the tray and in that it allows a significant saving of cardboard, thus resulting in a more attractive cost price. To do this, it starts in particular from the idea of using at least partly the contents of the packaging to support the upper trays during stacking. For this purpose, the invention essentially provides an open tray of cardboard sheet material comprising a belt of side walls connected to a bottom by first fold lines, namely two opposite first walls respectively connected to two opposite second side walls via end flaps to form reinforced corner corners, characterized in that the two corner corners on the same diagonal are of a first height and the other two corner corners on the opposite diagonal are of a second height smaller than the first height.
Dans des modes de réalisation avantageux, on a de plus recours à l'une et/ou à l'autre des dispositions suivantes : les premières parois ont une forme trapézoïdale rectangulaire ; les premières parois sont formées par au moins deux parties rectangulaires ou sensiblement rectangulaires de hauteurs différentes ; les secondes parois ont une forme trapézoïdale rectangulaire ; les secondes parois sont formées par au moins deux parties rectangulaires ou sensiblement rectangulaires de hauteurs différentes ; les premières parois sont respectivement reliées de part et d'autre par des deuxièmes lignes de pliage aux rabats d'extrémité ; deux rabats d'extrémité sont reliés aux premières parois du coté de plus grande hauteur et les deux autres rabats sont reliés aux secondes parois latérales du coté de la plus petite hauteur; les coins d'angle du plateau d'une première hauteur sont munis de tenons de gerbage, agencés pour coopérer avec des orifices correspondants, de forme complémentaire, situés dans le fond du plateau. L'invention propose également un flan pour la constitution d'un plateau comportant un panneau central rectangulaire muni sur chaque côté d'un volet à savoir deux premiers volets opposés et deux seconds volets opposés, caractérisé en ce que les premiers volets présentent une partie d'extrémité d'une première hauteur et l'autre partie d'extrémité d'une seconde hauteur différente de ladite première hauteur, lesdits premiers volets étant symétriques par rapport au centre du panneau central.In advantageous embodiments, recourse is had to one and / or the other of the following arrangements: the first walls have a rectangular trapezoidal shape; the first walls are formed by at least two rectangular or substantially rectangular parts of different heights; the second walls have a rectangular trapezoidal shape; the second walls are formed by at least two rectangular or substantially rectangular parts of different heights; the first walls are respectively connected on either side by second fold lines to the end flaps; two end flaps are connected to the first walls on the side of greatest height and the other two flaps are connected to the second side walls of the side of smallest height; the corner corners of the tray of a first height are provided with stacking lugs, arranged to cooperate with corresponding orifices, of complementary shape, located in the bottom of the tray. The invention also provides a blank for forming a tray comprising a rectangular central panel provided on each side with a flap, namely two opposite first flaps and two opposite second flaps, characterized in that the first flaps have a part d end of a first height and the other end portion of a second height different from said first height, said first flaps being symmetrical with respect to the center of the central panel.
Avantageusement les premiers volets sont respectivement reliés de part et d'autre par des premières lignes de pliage à des rabats d'extrémité et les seconds volets sont dénués de rabats. Dans un autre mode de réalisation avantageux deux rabats sont reliés aux premiers volets du coté de la plus grande hauteur, et les deux autres rabats sont reliés aux seconds volets du coté de la plus petite hauteur. Avantageusement chaque premier volet a une forme trapézoïdale rectangulaire.Advantageously, the first flaps are respectively connected on either side by first fold lines to end flaps and the second flaps are devoid of flaps. In another advantageous embodiment, two flaps are connected to the first flaps on the side of the greatest height, and the other two flaps are connected to the second flaps on the side of the smallest height. Advantageously, each first flap has a rectangular trapezoidal shape.
Dans un autre mode de réalisation avantageux, chaque premier volet est formé par au moins deux parties rectangulaires ou sensiblement rectangulaires de hauteurs différentes.In another advantageous embodiment, each first flap is formed by at least two rectangular or substantially rectangular parts of different heights.
L'invention propose également avantageusement un flan caractérisé en ce que les seconds volets ont une forme trapézoïdale rectangulaire, ou sont formés par au moins deux parties rectangulaires ou sensiblement rectangulaires de hauteurs différentes.The invention also advantageously proposes a blank characterized in that the second flaps have a rectangular trapezoidal shape, or are formed by at least two rectangular or substantially rectangular parts of different heights.
L'invention propose également un ensemble de flans du type décrit ci-dessus, caractérisé en ce qu'il est constitué d'une suite de flans adjacents, à plat, les bords externes par rapport au panneau central des premiers volets et rabat de chaque flan étant jointifs, sur toute leurs longueurs (strictement' ou sensiblement toute leurs longueurs, avec les bords externes des premiers volets du flan immédiatement adjacent.The invention also provides a set of blanks of the type described above, characterized in that it consists of a series of adjacent blanks, flat, the outer edges relative to the central panel of the first flaps and flap of each blank being joined, over their entire lengths (strictly 'or substantially all their lengths, with the outer edges of the first flaps of the blank immediately adjacent.
Avantageusement l'ensemble est caractérisé en ce que, de plus, les bords externes par rapport au panneau central des seconds volets et des rabats des premiers volets correspondants d'au moins deux flans adjacents sont également jointifs les uns avec les autres, deux à deux. L'invention sera mieux comprise à la lecture de modes de réalisation donnés ci-après à titre d'exemples non limitatifs.Advantageously, the assembly is characterized in that, in addition, the outer edges with respect to the central panel of the second flaps and of the flaps of the first corresponding flaps of at least two adjacent blanks are also joined together, two by two . The invention will be better understood on reading the embodiments given below by way of nonlimiting examples.
Elle se réfère aux dessins qui l'accompagnent dans lesquels : - La figure 1 est une vue de dessus d'un flan pour plateau de type connu.It refers to the accompanying drawings in which: - Figure 1 is a top view of a blank for tray of known type.
La figure 2 montre, en perspective, deux plateaux gerbes l'un sur l'autre, obtenus avec des flans selon la figure 1 de l'art antérieur. - La figure 3 est une vue de dessus d'un premier mode de réalisation d'un flan selon l'invention.Figure 2 shows, in perspective, two trays sheaves one on the other, obtained with blanks according to Figure 1 of the prior art. - Figure 3 is a top view of a first embodiment of a blank according to the invention.
La figure 4 est une vue en perspective de deux plateaux empilés l'un sur l'autre obtenus avec des flans selon la figure 3. - La figure 5 est une vue en plan d'un ensemble de flans emboîtés du type décrit en référence à la figure 3.Figure 4 is a perspective view of two trays stacked one on the other obtained with blanks according to Figure 3. - Figure 5 is a plan view of a set of nested blanks of the type described with reference to Figure 3.
La figure 6 est une vue en plan d'un ensemble de flans emboîtés, selon un autre mode de réalisation de 1 ' invention.Figure 6 is a plan view of a set of nested blanks, according to another embodiment of one invention.
Les figures 7 et 8 sont deux vues en plan d'ensembles de flans selon d'autres modes de réalisation de l'invention.Figures 7 and 8 are two plan views of blank assemblies according to other embodiments of the invention.
Les figures 9 et 10 montrent deux vues en plan d'ensembles de flans selon deux autres modes de réalisation de l'invention avec double imbrication. Dans la suite de la description, les mêmes numéros de référence sont utilisés pour désigner les éléments identiques de flan et de plateau.Figures 9 and 10 show two plan views of blank assemblies according to two other embodiments of the invention with double nesting. In the following description, the same reference numbers are used to designate the identical blank and tray elements.
Les figures 1 et 2 montrent un flan l, et des plateaux 1 obtenus avec de tels flans, en feuille de carton ondulé double face, selon l'art antérieur, comprenant une ceinture 2 de parois latérales ou volets rectangulaires, à savoir deux premiers volets opposés 3 et 4 , et deux seconds volets opposés 5 et 6 , de plus petite longueur que les premiers volets.Figures 1 and 2 show a blank l, and trays 1 obtained with such blanks, in double-sided corrugated cardboard sheet, according to the prior art, comprising a belt 2 of side walls or rectangular flaps, namely two first flaps opposite 3 and 4, and two second opposite flaps 5 and 6, of shorter length than the first flaps.
Les parois sont reliées par des premières lignes de pliage 7, perpendiculaires deux à deux, à un panneau central rectangulaire 8 formant le fond du plateau . Les deux parois obtenues à partir des premiers volets 3 et 4 opposés, sont de même hauteur sur toute leur longueur et d'hauteur égale entre elles.The walls are connected by first fold lines 7, perpendicular two by two, to a rectangular central panel 8 forming the bottom of the tray. The two walls obtained from the first flaps 3 and 4 opposite, are of the same height over their entire length and of equal height between them.
Elles sont reliées de part et d'autre, par des deuxièmes lignes de pliage 9, perpendiculaires ou sensiblement perpendiculaires aux premières ligne de pliage, à des rabats d'extrémité rectangulaires 10, de même hauteur que les premiers volets et de même dimension transversale, ou largeur, que les secondes parois adjacentes 5 et 6, qui sont rectangulaires ou sensiblement rectangulaires et dénuées de ra ats.They are connected on both sides, by second fold lines 9, perpendicular or substantially perpendicular to the first fold lines, to rectangular end flaps 10, of the same height as the first flaps and of the same transverse dimension, or width, as the second adjacent walls 5 and 6, which are rectangular or substantially rectangular and devoid of ra ats.
Le plateau 1 comprend par ailleurs quatre tenons 11 d'angle, constitués par exemple par des parties rectangulaires en saillis par rapport au bord supérieur 12, externe par rapport au panneau central, des premières parois latérales ou premiers volets 3 et 4.The plate 1 also comprises four corner pins 11, constituted for example by rectangular parts projecting from the upper edge 12, external with respect to the central panel, first side walls or first flaps 3 and 4.
Chaque partie rectangulaire constituant lesdits tenons est à cheval sur, et symétrique par rapport à, la deuxième ligne de pliage 9 correspondante, pour former lesdits tenons qui adoptent, lorsque le plateau est formé, une forme de cornière rectangulaire agencée pour s'encastrer (Cf. figure 2) dans des évidements ou fentes ouvertes 13, ménagée à l'extrémité et à cheval sur les premières lignes de pliage 7 de jonction entre volets et panneau central. Les fentes 13 forment donc des orifices 14 de gerbage, en forme de cornières évidées à angle droit de forme complémentaire à celle des tenons 11 lorsque le plateau est formé.Each rectangular part constituting said studs is astride, and symmetrical with respect to, the corresponding second fold line 9, to form said studs which adopt, when the plate is formed, an angle shape rectangular arranged to fit (Cf. Figure 2) in open recesses or slots 13, formed at the end and straddling the first fold lines 7 of junction between shutters and central panel. The slots 13 therefore form stacking orifices 14, in the form of angles angled at right angles to a shape complementary to that of the studs 11 when the plate is formed.
Des ouvertures 15 sont par ailleurs, et par exemple, ménagées, centrées par rapport aux premières lignes de pliage 7 de jonction des seconds volets 5 et 6, pour permettre la préhension des plateaux gerbes l'un sur l'autre, comme représenté.Openings 15 are moreover, and for example, formed, centered with respect to the first fold lines 7 of junction of the second flaps 5 and 6, to allow the gripping of the trays sheaves one on the other, as shown.
Les figures 3 et 4 montrent un premier mode de réalisation de flan et plateau 16 selon l'invention, en feuille de carton ondulé double face, qui diffère des flans et plateaux précédemment décrits, en ce que les premiers volets 17 et 17' sont ici, non plus rectangulaires, mais trapézoïdaux, une partie d'extrémité 18, 18', des volets étant de plus grande hauteur que l'autre extrémité 19, 19', par exemple égale au double de sa hauteur.Figures 3 and 4 show a first embodiment of blank and tray 16 according to the invention, in sheet of double-sided corrugated cardboard, which differs from the blanks and trays previously described, in that the first flaps 17 and 17 'are here , no longer rectangular, but trapezoidal, one end part 18, 18 ', flaps being of greater height than the other end 19, 19', for example equal to twice its height.
Les premiers volets sont par ailleurs symétriques par rapport au centre 20 du panneau central rectangulaire 21.The first flaps are also symmetrical with respect to the center 20 of the rectangular central panel 21.
Les rabats 22 et 23 (22', 23') reliés aux volets 17 (17') par des deuxièmes lignes de pliage 24 perpendiculaires aux premières lignes de pliage 25 sont par exemple de hauteur identique aux extrémités auxquelles ils sont rattachés, et de même longueur que les seconds volets 26 adjacents.The flaps 22 and 23 (22 ', 23') connected to the flaps 17 (17 ') by second fold lines 24 perpendicular to the first fold lines 25 are for example of identical height at the ends to which they are attached, and likewise length than the second adjacent flaps 26.
Les seconds volets 26 sont quant à eux rectangulaires, identiques, et par exemple de même hauteur que la petite extrémité 19, 19'. Les flans et plateaux 16 selon le mode de réalisation de l'invention plus particulièrement décrit ici comprennent des tenons de gerbage 27, à cheval sur le bord supérieur des deux extrémités 18 et 18' de plus grande hauteur et des rabats adjacents 23, du type des tenons 11 décrits en référence aux figures 1 et 2, ainsi que des ouvertures 28, en partie basse des volets au niveau des lignes de jonction avec le fond, correspondant aux ouvertures 14, aux quatre coins inférieurs du plateau, permettant ainsi le gerbage en présentant les plateaux dans les deux sens.The second flaps 26 are rectangular, identical, and for example of the same height as the small end 19, 19 '. The blanks and trays 16 according to the embodiment of the invention more particularly described here include stacking pins 27, straddling the upper edge of the two ends 18 and 18 'of greater height and adjacent flaps 23, of the type of pins 11 described with reference to Figures 1 and 2, as well as openings 28, in the lower part of the flaps at the junction lines with the bottom, corresponding to the openings 14, at the four lower corners of the tray, thus allowing stacking by presenting the trays in both directions.
L'autre extrémité 19 et 19' de petite hauteur comprend quant à elle, à la place d'un tenon, un évidement d'une forme complémentaire à celle du tenon, ce qui va permettre un encastrement bord a bord des flans lors de la fabrication de ces derniers, comme représenté aux figures 5 à 10.The other end 19 and 19 'of small height, for its part, comprises, instead of a tenon, a recess of a shape complementary to that of the tenon, which will allow an edge-to-edge embedding of the blanks during the manufacture of these, as shown in Figures 5 to 10.
Par ailleurs, la hauteur des parties 18 et 18', en dessous du tenon 27, du plateau, correspond à une hauteur de produit 29, (en trait mixte sur le figure 4) , destinés à être contenu par le plateau, produits qui vont permettre d'assurer la rigidité et la support de l'angle 30 de plus faible hauteur du plateau supérieur, lors du gerbage.Furthermore, the height of the parts 18 and 18 ′, below the tenon 27, of the plate, corresponds to a height of product 29, (in phantom in Figure 4), intended to be contained by the plate, products which to provide rigidity and support for the angle 30 of lower height of the upper plate, during stacking.
La figure 5 montre une planche ou feuille 31 de carton ondulé, découpée par exemple par ensemble simultané de deux flans ou de quatre flans adjacentsFIG. 5 shows a board or sheet 31 of corrugated cardboard, cut for example by simultaneous assembly of two blanks or four adjacent blanks
(33, 33', 34, 34') en semi continu par emboutissage d'un gabarit coupant la feuille de carton.(33, 33 ', 34, 34') semi-continuous by stamping a template cutting the cardboard sheet.
Les flans sont ici découpés selon deux colonnes longitudinales 32, 32', dans la laize de carton.The blanks are here cut according to two longitudinal columns 32, 32 ', in the cardboard width.
Selon l'invention, les bords externes 33a, 33 'a des premiers volets des flans 33, 33', s'emboîtent parfaitement l'un dans l'autre, et sont jointifs avec les bords externes 34a, 34a' des premiers volets des flans 34, 34' des lignes adjacentes, y compris au niveau des tenons 35, 36 et des seconds rabats, sans aucune perte de carton. Les flans des deux colonnes sont par ailleurs jointifs ou sensiblement jointifs au niveau du bord externe 37 de leurs seconds volets adjacents 38 et 38'. La figure 6 montre une feuille 40 de carton ondulé permettant également l'emboîtement des premiers volets 41 et 42 de deux flans adjacents 43 et 44.According to the invention, the external edges 33a, 33 ′ has first flaps of the blanks 33, 33 ′, fit perfectly into one another, and are joined with the external edges 34a, 34a ′ of the first flaps of the blanks 34, 34 'of the adjacent lines, including at the studs 35, 36 and the second flaps, without no loss of cardboard. The blanks of the two columns are also contiguous or substantially contiguous at the level of the external edge 37 of their second adjacent flaps 38 and 38 ′. FIG. 6 shows a sheet 40 of corrugated cardboard also allowing the nesting of the first flaps 41 and 42 of two adjacent blanks 43 and 44.
Dans ce mode de réalisation, chaque premier volet présente deux portions adjacentes 45 et 46 sensiblement rectangulaires, à savoir une première portion 45 de grande hauteur et une deuxième portionIn this embodiment, each first flap has two adjacent portions 45 and 46 which are substantially rectangular, namely a first portion 45 of great height and a second portion
36 de petite hauteur.36 of small height.
Les deux portions rectangulaires 45 et 46 peuvent également ne pas être adjacentes, par exemple en étant reliées par une portion intermédiaire trapézoïdale ou formant un palier intermédiaire rectangulaire .The two rectangular portions 45 and 46 may also not be adjacent, for example by being connected by an intermediate trapezoidal portion or forming a rectangular intermediate bearing.
Ici encore des évidements 47 de forme complémentaire avec celle des tenons 48, permettent un emboîtement bord à bord des premiers volets en vis à vis de deux flans adjacents.Here again recesses 47 of shape complementary to that of the pins 48, allow an interlocking edge to edge of the first flaps facing two adjacent blanks.
Les figures 7 et 8 montrent une autre disposition d'ensemble de flans 50 et 60 selon l'invention, les premiers volets d'une rangée s 'encastrant avec les premiers volets adjacents de la rangée de flans suivante et étant cette fois-ci de plus petite longueur que les seconds volets, ce qui permet par exemple de prévoir trois colonnes de flans adjacents 51, 52 et 53 ou 61, 62 et 63, les bords extérieurs de leur seconds volets étant jointifs et en vis à vis dans le sens transversal .Figures 7 and 8 show another arrangement of blanks 50 and 60 according to the invention, the first flaps of a row being fitted with the first adjacent flaps of the next row of blanks and this time being shorter length than the second flaps, which allows for example to provide three adjacent blank columns 51, 52 and 53 or 61, 62 and 63, the outer edges of their second flaps being contiguous and opposite in the transverse direction .
Les figures 9 et 10 montrent d'autres modes de réalisation de flans et d'ensemble de flans 70 et 80 selon l'invention dans lesquels les seconds volets 71 et 81 sont de forme identique ou similaire à la forme des premiers volets 72 et 82, présentant donc deux extrémités de hauteurs différentes.Figures 9 and 10 show other embodiments of blanks and set of blanks 70 and 80 according to the invention in which the second flaps 71 and 81 are of identical or similar shape to the shape first flaps 72 and 82, therefore having two ends of different heights.
La petite hauteur 73 des seconds volets est située du côté de la petite hauteur 74 des premiers volets et est par exemple égale à cette dernière.The small height 73 of the second flaps is located on the side of the small height 74 of the first flaps and is for example equal to the latter.
De même la grande hauteur 75 des seconds volets est par exemple égale à la grande hauteur 76 des premiers volets.Similarly, the great height 75 of the second flaps is for example equal to the great height 76 of the first flaps.
Les rabats 77, 87, 78 et 88 sont quant à eux agencés pour permettre une optimisation de la consommation de carton et présentent des bords d'extrémité, 77a et 77b pour les rabats du côté de la grande hauteur, 78a et 78b pour les rabats du côté de la petite hauteur, de forme symétrique par rapport au centre 79 d'un rectangle 79' dans lequel s'inscrivent lesdits rabats, ledit rectangle 79' étant formé par les secondes lignes de pliage desdits rabats avec leur volet adjacent, et complémentaire avec les bords d'extrémité des rabats du flan adjacent, dε façon à éliminer au minimiser les chutes de carton, comme présenté sur les figures.The flaps 77, 87, 78 and 88 are in turn arranged to allow an optimization of the consumption of cardboard and have end edges, 77a and 77b for the flaps on the side of the great height, 78a and 78b for the flaps on the side of the small height, symmetrical in shape with respect to the center 79 of a rectangle 79 'in which said flaps are inscribed, said rectangle 79' being formed by the second fold lines of said flaps with their adjacent flap, and complementary with the end edges of the flaps of the adjacent blank, so as to minimize cardboard scraps, as shown in the figures.
Une telle configuration des seconds volets et des rabats permet une optimisation de la découpe des ensembles de flans dans tous les sens de développement du plan, longitudinalerr.ent et transversalement, optimisant ainsi l'utilisation de la feuille de carton ondulé à découper dont la laize est déterminée.Such a configuration of the second flaps and of the flaps allows an optimization of the cutting of the sets of blanks in all the directions of development of the plane, longitudinal and transversely, thus optimizing the use of the sheet of corrugated cardboard to be cut whose width is determined.
Comme il va de soi et comme il résulte d'ailleurs de ce qui précède la présente invention ne se limite pas aux modes de réalisation plus particulièrement décrits, mais er. embrasse au contraire toutes les variantes et notamment celles où la petite hauteur est nulle, celles cù les tenons de gerbage ne sont pas à cheval sur les coins, mais sur le premier volets et/ou sur le second volet de grande hauteur, celles où les secondes lignes de pliage sont inclinées vers l'intérieur pour former un plateau de section transversale trapézoïdale isocèle. As is obvious and as it follows moreover from the foregoing, the present invention is not limited to the embodiments more particularly described, but er. on the contrary embraces all variants and in particular those where the small height is zero, those where the stacking lugs are not straddling the corners, but on the first flap and / or on the second large flap height, those where the second fold lines are inclined inward to form a tray of isosceles trapezoidal cross section.

Claims

REVENDICATIONS
1. Plateau (16) ouvert en matière en feuille de carton comprenant une ceinture de parois latérales, reliées à un fond par des premières ligne de pliage (25), à savoir deux premières parois latérales (17, 17', 41, 42, 72, 82) opposées, respectivement reliées à deux secondes parois latérales (26, 71, 81) opposées, via des rabats d'extrémité pour former des coins d'angle renforcés, caractérisé en ce que les deux coins d'angle sur une même diagonale sont d'une première hauteur et les deux autres coins d'angle sur la diagonale opposée sont d'une deuxième hauteur plus petite que la première hauteur.1. Open tray (16) of cardboard sheet material comprising a belt of side walls, connected to a bottom by first fold lines (25), namely two first side walls (17, 17 ', 41, 42, 72, 82) opposite, respectively connected to two second side walls (26, 71, 81) opposite, via end flaps to form reinforced corner corners, characterized in that the two corner corners on the same diagonal are of a first height and the other two corner corners on the opposite diagonal are of a second height smaller than the first height.
2. Plateau selon la revendication 1, caractérisé en ce que les premières parois (17, 17', 82) ont une forme trapézoïdale rectangulaire.2. Tray according to claim 1, characterized in that the first walls (17, 17 ', 82) have a rectangular trapezoidal shape.
3. Plateau selon la revendication 1, caractérisé en ce que les premières parois (41, 42, 72) sont formées par au moins deux parties rectangulaires (45 46) ou sensiblement rectangulaires de hauteurs différentes .3. Tray according to claim 1, characterized in that the first walls (41, 42, 72) are formed by at least two rectangular (45 46) or substantially rectangular parts of different heights.
4. Plateau selon l'une quelconque des revendications précédentes, caractérisé en ce que les secondes parois (81) ont une forme trapézoïdale rectangulaire .4. Tray according to any one of the preceding claims, characterized in that the second walls (81) have a rectangular trapezoidal shape.
5. Plateau selon l'une quelconque des revendications précédentes, caractérisé en ce que les secondes parois (71) sont formées par au moins deux parties rectangulaires ou sensiblement rectangulaires de hauteurs différentes.5. Tray according to any one of the preceding claims, characterized in that the second walls (71) are formed by at least two rectangular or substantially rectangular parts of different heights.
6. Plateau selon l'une quelconque des revendications précédentes, caractérisé en ce que les coins d'angle du plateau d'une première hauteur sont respectivement munis de tenons (27, 35, 48) de gerbage, agencés pour coopérer avec des orifices correspondants, de forme complémentaire, situés dans le fond du plateau.6. Tray according to any one of the preceding claims, characterized in that the corner corners of the tray of a first height are respectively provided with pins (27, 35, 48) of stacking, arranged to cooperate with corresponding orifices, of complementary shape, located in the bottom of the tray.
7. Plateau selon l'une quelconque des revendications précédentes, caractérisé en ce que les premières parois (17, 17', 82) sont reliées de part et d'autre par des deuxièmes lignes de pliage (24) aux rabats d'extrémité (22, 23).7. Tray according to any one of the preceding claims, characterized in that the first walls (17, 17 ', 82) are connected on either side by second fold lines (24) to the end flaps ( 22, 23).
8. Flan (16) pour la constitution d'un plateau, comportant un panneau central (21) rectangulaire muni sur chaque côté d'un volet, à savoir deux premiers volets (17, 17', 41, 42, 72, 82) opposés, et deux seconds volets (26, 71, 81) opposés, caractérisé en ce que les premiers volets présentent une partie d'extrémité (18, 45) d'une première hauteur et l'autre partie d'extrémité (19, 46) d'une seconde hauteur, différente de la première hauteur, lesdits premiers volets étant symétriques par rapport au centre (20) du panneau central (21) .8. Blank (16) for the constitution of a tray, comprising a central central panel (21) provided on each side with a shutter, namely two first shutters (17, 17 ', 41, 42, 72, 82) opposite, and two second flaps (26, 71, 81) opposite, characterized in that the first flaps have an end part (18, 45) of a first height and the other end part (19, 46 ) of a second height, different from the first height, said first flaps being symmetrical with respect to the center (20) of the central panel (21).
9. Flan selon la revendication 8, caractérisé en ce que chaque premier volet (17, 17', 82) a une forme trapézoïdale rectangulaire.9. Blank according to claim 8, characterized in that each first flap (17, 17 ', 82) has a rectangular trapezoidal shape.
10. Flan selon la revendication 8, caractérisé en ce que chaque premier volet (41, 42, 72) est formé par au moins deux parties rectangulaires ou sensiblement rectangulaires de hauteurs différentes.10. Blank according to claim 8, characterized in that each first flap (41, 42, 72) is formed by at least two rectangular or substantially rectangular parts of different heights.
11. Flan selon l'une quelconque des revendications 8 à 10, caractérisé en ce que les seconds volets (81) ont une forme trapézoïdale rectangulaire.11. Blank according to any one of claims 8 to 10, characterized in that the second flaps (81) have a rectangular trapezoidal shape.
12. Flan selon l'une quelconque des revendications 8 à 10, caractérisé en ce que les seconds volets (71) sont formés par au moins deux parties rectangulaires ou sensiblement rectangulaires de hauteurs différentes. 12. Blank according to any one of claims 8 to 10, characterized in that the second flaps (71) are formed by at least two rectangular or substantially rectangular parts of different heights.
13. Flan selon l'une quelconque des revendications 8 à 12, caractérisé en ce que les premiers volets sont respectivement reliés de part et d'autre par des deuxièmes lignes de pliage (24) à des rabats d'extrémité (22, 23), et les seconds volets sont dénués de rabats.13. Blank according to any one of claims 8 to 12, characterized in that the first flaps are respectively connected on either side by second fold lines (24) to end flaps (22, 23) , and the second parts are devoid of flaps.
14. Flan selon l'une quelconque des revendications 8 à 12, caractérisé en ce que deux rabats sont reliés aux premiers volets du coté de la plus grande hauteur et deux rabats sont reliés aux seconds rabats du coté de la plus petite hauteur.14. Blank according to any one of claims 8 to 12, characterized in that two flaps are connected to the first flaps on the side of the greatest height and two flaps are connected to the second flaps on the side of the smallest height.
15. Ensemble de flans selon l'une quelconque des revendications 8 à 14, caractérisé en ce qu'il est constitué d'une suite de flans adjacents (33, 33', 34, 34', 43, 43', 44, 44', 50, 60, 70, 80) , à plat, les bords des premiers volets de chaque flan étant jointifs avec les bords des premiers volets des deux flans immédiatement adjacents, et situés de part et d'autre. 15. Set of blanks according to any one of claims 8 to 14, characterized in that it consists of a series of adjacent blanks (33, 33 ', 34, 34', 43, 43 ', 44, 44 ', 50, 60, 70, 80), flat, the edges of the first flaps of each blank being contiguous with the edges of the first flaps of the two immediately adjacent blanks, and located on either side.
16. Ensemble de flans selon la revendication 15, dépendante de l'une quelconque des revendica ions 11 et 12, caractérisé en ce que, de plus, les bords externes des seconds volets d'au moins deux fla s adjacents sont également jointifs les uns avec les autres, deux à deux. 16. A set of blanks according to claim 15, dependent on any one of claims 11 and 12, characterized in that, in addition, the external edges of the second flaps of at least two adjacent flas are also joined together with the others, two by two.
EP97935615A 1996-07-23 1997-07-23 Crate and blank made of a paperboard sheet material Ceased EP0929448A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9609249A FR2751615B1 (en) 1996-07-23 1996-07-23 CARDBOARD SHEET AND BLANK
FR9609249 1996-07-23
PCT/FR1997/001380 WO1998003402A1 (en) 1996-07-23 1997-07-23 Crate and blank made of a paperboard sheet material

Publications (1)

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EP0929448A1 true EP0929448A1 (en) 1999-07-21

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EP97935615A Ceased EP0929448A1 (en) 1996-07-23 1997-07-23 Crate and blank made of a paperboard sheet material

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EP (1) EP0929448A1 (en)
AU (1) AU3853997A (en)
FR (1) FR2751615B1 (en)
WO (1) WO1998003402A1 (en)

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Publication number Priority date Publication date Assignee Title
FR2791038B1 (en) * 1999-03-19 2001-06-01 Otor Sa CARDBOARD SHEET AND BLANK
ITMI20040347A1 (en) * 2004-02-26 2004-05-26 Pharma Medical Ltd NEW ASSOCIATION DRUG

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Publication number Priority date Publication date Assignee Title
US2256748A (en) * 1938-10-20 1941-09-23 Edwin L Mott Container
FR2261943A2 (en) * 1974-02-21 1975-09-19 Sofhunic Sa Tray for fruit or vegetables - corner reinforcements used for stacking formed from material without reducing strength
CY1514A (en) * 1985-02-21 1990-08-03 Embalaje Iberoamericana Stackable tray
ES1010786U (en) * 1989-06-05 1990-05-16 Boix Maquinaria, S.A. Box-tray lid gusset. (Machine-translation by Google Translate, not legally binding)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9803402A1 *

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FR2751615A1 (en) 1998-01-30
WO1998003402A1 (en) 1998-01-29
FR2751615B1 (en) 1998-09-18

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