EP0567413A1 - Polygonal package made from sheet material and blank for making such package - Google Patents

Polygonal package made from sheet material and blank for making such package Download PDF

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Publication number
EP0567413A1
EP0567413A1 EP93401071A EP93401071A EP0567413A1 EP 0567413 A1 EP0567413 A1 EP 0567413A1 EP 93401071 A EP93401071 A EP 93401071A EP 93401071 A EP93401071 A EP 93401071A EP 0567413 A1 EP0567413 A1 EP 0567413A1
Authority
EP
European Patent Office
Prior art keywords
flaps
fold lines
blanks
packaging
width
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
EP93401071A
Other languages
German (de)
French (fr)
Other versions
EP0567413B1 (en
Inventor
Guy Coalier
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
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Filing date
Publication date
Application filed by Otor SA filed Critical Otor SA
Publication of EP0567413A1 publication Critical patent/EP0567413A1/en
Application granted granted Critical
Publication of EP0567413B1 publication Critical patent/EP0567413B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/06—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers
    • B65D71/12—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers the packaging elements, e.g. wrappers being formed by folding a single blank
    • B65D71/36—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers the packaging elements, e.g. wrappers being formed by folding a single blank having a tubular shape, e.g. tubular wrappers, with end walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/44—Integral, inserted or attached portions forming internal or external fittings
    • B65D5/46—Handles
    • B65D5/46072—Handles integral with the container
    • B65D5/46088—Handles integral with the container formed by extensions of closure flaps, by closure flaps or by extensions of side flaps of a container formed by folding a blank to form a tubular body
    • 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
    • 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
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00129—Wrapper locking means
    • B65D2571/00135—Wrapper locking means integral with the wrapper
    • B65D2571/00141—Wrapper locking means integral with the wrapper glued
    • 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
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00648—Elements used to form the wrapper
    • B65D2571/00654—Blanks
    • B65D2571/0066—Blanks formed from one single sheet
    • 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
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00709—Shape of the formed wrapper, i.e. shape of each formed element if the wrapper is made from more than one element
    • B65D2571/00722—Shape of the formed wrapper, i.e. shape of each formed element if the wrapper is made from more than one element tubular with end walls, e.g. walls not extending on the whole end surface
    • B65D2571/00728—Shape of the formed wrapper, i.e. shape of each formed element if the wrapper is made from more than one element tubular with end walls, e.g. walls not extending on the whole end surface the end walls being closed by gluing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S229/00—Envelopes, wrappers, and paperboard boxes
    • Y10S229/933—Mating container blanks

Definitions

  • the present invention relates to a packaging of cardboard, corrugated cardboard or similar sheet material, having a polygonal section, and in particular of generally rectangular section, as well as a blank of such sheet material for the production of said packaging.
  • the single blank from which such packages are formed comprises a series of flaps connected to each other by parallel fold lines and provided laterally with flaps, connected respectively to said flaps by fold lines perpendicular to the fold lines. connecting said flaps together and intended to form the bottom and the cover of said packages.
  • the free edge of one of the end flaps of said assembly is provided with a tongue connected to said end flap by a fold line parallel to those connecting said flaps and intended to be fixed against the free edge of the opposite end flap.
  • said blank therefore has a flattened parallelogram section, said lateral flaps respectively extending the corresponding flaps outwards.
  • these flattened blanks are delivered to a user, who, to accommodate objects to be packaged there, shapes them by expansion parallel to the flattened diagonal of said parallelogram, then folds and glues said flaps to form the bottom, and, after filling , the cover of said box.
  • the bottom and the cover of said box are then each formed by two small opposite internal rectangular flaps, not joined, and by two large external rectangular flaps, opposite, joining.
  • the cases thus produced constitute completely closed packages, which is very often not necessary when the products packed in these cases are themselves enclosed in a container (bottle for example).
  • the object of the present invention is to improve an American box as described above, and this in particular in order to save material (cardboard, corrugated cardboard, etc.) on its manufacture.
  • a basket-shaped packaging is thus obtained, in which two opposite faces are perforated and which can be obtained from blanks the projecting parts of which interpenetrate, so that a significant gain in material is achieved.
  • the flaps have different heights, it is necessary to modify the abutments for guiding and squaring, mentioned above, to adapt them to the packaging according to the present invention. , or, preferably, use a different body-making method, for example of the type described in American patent US-A-4,932,930.
  • the width of said highest flaps is greater than the width of said lowest flaps.
  • the invention also provides a method for cutting identical blanks as described above, from a sheet or strip of corrugated cardboard, characterized in that two successively cut blanks are turned 180 ° in their plane, one by relative to the other, the projecting parts of the tallest flaps of one of said blanks being nested with the projecting parts of the tallest flaps of the other of said blanks, and in that spaces between the free lateral edges of the the highest flaps of two consecutive blanks in opposition are cut and ejected so that the most extreme lateral outer edges of the two consecutive blanks in opposition are aligned.
  • two successively cut blanks can be rotated in their plane by 180 ° relative to each other, the small flaps and the large flaps of said first set of one of the blanks being respectively opposite the large flaps and small flaps of said first set of the other of said blanks, the small and large flaps suitable for forming the bottom being contiguous along the free edges of the small flaps opposite the second fold lines.
  • the blanks are cut, the first fold lines being parallel to the corrugation lines of the corrugated cardboard.
  • the first fold lines are perpendicular to the corrugation lines of the corrugated board.
  • the packaging E1 in accordance with the invention and shown in FIGS. 1 and 2, is substantially parallelepipedal with rectangular section.
  • This rectangular section has a length L and a width 1.
  • a tongue 8 is arranged, connected to said end flap 4 by a fold line 9, parallel to the fold lines 5, 6 and 7.
  • each flap 1 to 4 flaps 10.1, 10.2, 10.3 and 10.4 are provided.
  • Each lateral flap 10.1 to 10.4 is articulated to the corresponding flap 1 to 4 by a preformed fold line 11.1 to 11.4.
  • the fold lines 11.1 to 11.4 are aligned and perpendicular to the fold lines 5, 6 and 7.
  • the height H of the flaps 1 and 3 is greater than the height of the flaps 2 and 4, shutters 1 and 3, on the one hand, and 2 and 4, on the other hand, being identical.
  • the width x of the parts of the flaps 1 and 3 which project beyond the flaps 2 and 4 is smaller than the distance X separating the facing edges of these projecting parts.
  • the flaps 10.1, 10.3, 11.1 and 11.3 are identical.
  • the length of each of the flaps 10.1 to 10.4, parallel to the corresponding preformed fold line 11.1 to 11.4, is equal to the corresponding dimension L or 1 of the flap 1 to 4 to which said flap is connected.
  • the fold lines 13.1 and 13.3 are aligned and perpendicular to the fold lines 5 to 7.
  • an F1 blank has two large flaps 1 and 3, to which are respectively associated two large flaps 10.1 and 10.3, on the one hand, and two flaps 12.1 and 12.3, on the other hand, as well as two small flaps 2 and 4, to which are associated respectively two small flaps 10.2 and 10.4.
  • the part of the large flaps 1 and 3 projecting from the flaps 2 and 4, less wide than the base of the said large flaps, is connected to the latter by a recess 19.
  • each of said small and large flaps 10.1 to 10.4 is approximately equal to half the width of the package E1.
  • the free edges 14.1 to 14.4 of the flaps 10.1 to 10.4 are aligned.
  • the free edges 15.1 and 15.3 of the flaps 12.1 and 12.3 are aligned.
  • a pre-folding line 16.1 or 16.3, respectively, parallel to the folding lines 11.1,13.1 and 11.3,13.3, is provided in sections 1 and 3.
  • a blank (not shown) of the packaging E1 is thus obtained, said blank having a flattened parallelogram section, with the flaps 10.1 to 10.4 and 12.1 and 12.3 extending the flaps 1 to 4 outwards.
  • the aligned free edges 14.1 and 14.2 of the large and small flaps 10.1 and 10.2 are superimposed on the aligned free edges 14.3 and 14.4 of the large and small flaps 10.3 and 10.4.
  • the aligned free edges 15.1 and 15.3 of the large flaps 12.1 and 12.3 are superimposed.
  • This superimposition allows the lateral stops (not shown) to guide and square said blank when the tongue 8 is fixed on the flap 1, said stops cooperating respectively with the free edges 14.1, 14.2 and 14.3, 14.4 superimposed, on the one hand, and with the free edges 15.1 and 15.3 superimposed, on the other.
  • said blank When the packaging is used, said blank is shaped and the bottom is formed by folding, around the fold lines 11.1 to 11.4, flaps 10.1 to 10.4 which are fixed to each other, by example by collage.
  • the two small flaps 10.2 and 10.4 are arranged on the inside of the package, while the two large flaps 10.1 and 10.3 are exterior and together cover the entire surface of the bottom of the package (see Figure 2) .
  • the cover is formed by folding the flaps 12.1 and 12.3 around the fold lines 13.1 and 13.3, then fixing said flaps together, possibly with a slight folding of the flaps 1 and 3 around fold lines 16.1 and 16.3.
  • FIG. 3 the arrangement of two successive blanks F1 has been illustrated, cut from a plate or a strip of cardboard or corrugated cardboard.
  • the two successive blanks F1 are turned in their plane by 180 ° relative to each other, so that the flaps 1 and 3 of one are opposite flaps 4 and 2 of the other, that is to say that the projecting parts of said flaps 1 and 3 of the two blanks 1 interpenetrate.
  • FIGS. 4 and 5 a variant F1 ′ of the blank F1 has been shown respectively and the corresponding variant E1 ′ of the package E1, making it possible to further increase the gain in material.
  • FIG. 5 shows the bottom of the package E1 ′, thus obtained. It can be seen there that, when the large outer flaps 10.1 and 10.3 form the outside of the bottom of the package E1 ', the notches 20 of said flaps are in pairs facing each other, to form two double notches 20 in said bottom. Because the depth of the notches 20 is less than the width d of the small flaps 10.2 and 10.4, each of said double notches 20 is closed by the corresponding small flap 10.2, 10.4.
  • FIG. 4 at the upper part, an example of the nesting of the flaps 10.1 to 10.4 of a blank F1 'has been shown with the flaps 10.1 to 10.4 of another blank F1', rotated by 180 °. It is thus possible to have opposite the large flaps 10.1 and 10.3 of one of the blanks F1 'with the small flaps 10.2 and 10.4 of the other of said blanks and to gain a strip of material (cardboard, corrugated cardboard) of width q.
  • a strip of material cardboard, corrugated cardboard
  • the successive blanks F1 ′ can be turned 180 ° in their plane to nest successively by their flaps 1 to 4 or by their flaps 10.1 to 10.4.
  • the base is no longer rectangular section as for the packages E1 and E1 'described above, but octagonal section, because the side corners of said package have been cut.
  • each of the blanks F2 intended to form a package E2 comprises additional narrow flaps 30, respectively interposed between the flaps 1 and 2, 2 and 3, 3 and 4, and 4 and 1.
  • the narrow flaps 30 are not associated with any flaps similar to the flaps 10.1 to 10.4.
  • the large flaps 10.1 and 10.3 remain at least substantially rectangular, while, in the vicinity of the fold lines connecting them to the corresponding flap 2 or 4, the small flaps 10.2 and 10.4 have the shape of the section of the octagonal packaging E2, that is to say comprising flares 31.
  • the blanks F2 of FIG. 7 are nested by their projecting flaps 1 and 3, but cannot be nested by their flaps 10.1 to 10.4.
  • the blanks F2 ′ can be nested by their flaps and by their flaps, because the width d of the flaps 10.2 and 10.4 is less at the width D of the flaps 10.1 and 10.3 and that the ends thereof are provided with notches 20 in their free edges.
  • the flaring 31 is carried by the large flaps 10.1 and 10.3 and no longer by the small flaps 10.2 and 10.4.
  • each of the blanks F3 intended to form a package E3 comprises sets of small intermediate flaps 40, respectively interposed between the flaps 1 and 2.2 and 3, 3 and 4 and 4 and 1. In a set of flaps 40, these flaps are hinged to each other by fold lines 41. Fold lines 5 ', 5 "- 6.6" - 7', 7 "and 9 ', 9 ", similar to the fold lines 5 to 9, connect each set of flaps 40 to said flaps 1 to 4.
  • Each of the flaps 10.1 to 10.4 has rounded flares 42, in the vicinity of the fold line connecting it to the corresponding flap, in order to be able to match the rounded shape of the corners of the packaging E3.
  • notch 20 of the large flaps 10.1 and 10.3 is formed by the bias cut of the corners thereof.
  • said notches 20 may have any suitable shape allowing the nesting of the flaps 10.1 to 10.4. These indentations can be of curved outline or consist of segment (s) on the right.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Wrappers (AREA)
  • Making Paper Articles (AREA)
  • Laminated Bodies (AREA)

Abstract

Package made from sheet material, such as cardboard or corrugated cardboard, whose shape is at least approximately parallelepipedic, and blank for making it. According to the invention, the faces (1 to 3) have different heights, the highest faces having a width at most equal to the distance separating two consecutive high faces, when the package is flat. Saving of material in the cutting out of blanks by the interleaving of the panels and/or flaps of two consecutive blanks. <IMAGE>

Description

La présente invention concerne un emballage de carton, de carton ondulé ou de matière en feuille analogue, présentant une section polygonale, et notamment à section générale rectangulaire, ainsi qu'un flan d'une telle matière en feuille pour la réalisation dudit emballage.The present invention relates to a packaging of cardboard, corrugated cardboard or similar sheet material, having a polygonal section, and in particular of generally rectangular section, as well as a blank of such sheet material for the production of said packaging.

On sait que le flan unique à partir duquel de tels emballages sont formés comporte une suite de volets reliés les uns aux autres par des lignes de pliage parallèles et pourvus latéralement de rabats, reliés respectivement auxdits volets par des lignes de pliage perpendiculaires aux lignes de pliage reliant lesdits volets entre eux et destinés à former le fond et le couvercle desdits emballages. Le bord libre d'un des volets extrêmes dudit ensemble est pourvu d'une languette reliée audit volet extrême par une ligne de pliage parallèle à celles reliant lesdits volets et destinés à venir se fixer contre le bord libre du volet extrême opposé.It is known that the single blank from which such packages are formed comprises a series of flaps connected to each other by parallel fold lines and provided laterally with flaps, connected respectively to said flaps by fold lines perpendicular to the fold lines. connecting said flaps together and intended to form the bottom and the cover of said packages. The free edge of one of the end flaps of said assembly is provided with a tongue connected to said end flap by a fold line parallel to those connecting said flaps and intended to be fixed against the free edge of the opposite end flap.

Les emballages connus de ce type sont dits "caisses américaines" et ils présentent une section (transversalement auxdits volets) généralement rectangulaire. Il en résulte alors que tous les volets et tous les rabats sont également de forme carrée ou rectangulaire, tous les rabats ayant, transversalement aux lignes de pliage qui les relient aux volets, la même largeur, choisie pour être au moins approximativement égale à la moitié de la largeur de la section de ladite caisse.Known packages of this type are called "American boxes" and they have a generally rectangular section (transverse to said flaps). As a result, all the flaps and all the flaps are also square or rectangular, all the flaps having, transverse to the fold lines which connect them to the flaps, the same width, chosen to be at least approximately equal to half. of the width of the section of said box.

La fabrication de ces caisses américaines connues est réalisée par un industriel cartonnier, qui à partir dudit flan, forme une ébauche aplatie de caisse par pliage dudit flan autour de la ligne de pliage médiane dudit ensemble de volets et fixation de ladite languette sur le volet extrême opposé. Pendant cette opération, le flan replié autour de ladite ligne de pliage médiane est guidé latéralement par des butées prenant appui contre les bords libres des rabats de couvercle et de fond. On remarquera que, du fait que tous les rabats ont la même largeur, les bords libres de rabats superposés sont alors eux-mêmes superposés, de sorte que chacune desdites butées prend appui contre les bords libres de ces rabats superposés. Il en résulte un équerrage au moins approximatif de ladite ébauche au moment de la fixation de la languette sur le volet extrême superposé.The manufacture of these known American boxes is carried out by a cardboard industrialist, who, from said blank, forms a flattened blank of the box by folding said blank around the median fold line of said set of flaps and fixing said tab on the extreme flap opposite. During this operation, the blank folded around said center fold line is guided laterally by stops bearing against the free edges of the cover and bottom flaps. It will be noted that, because all the flaps have the same width, the free edges of superimposed flaps are then themselves superimposed, so that each of said stops abuts against the free edges of these superimposed flaps. This results in an at least approximate squaring of said blank when the tongue is fixed to the superimposed end flap.

Après cette opération, ladite ébauche présente donc une section en parallélogramme aplati, lesdits rabats latéraux prolongeant respectivement les volets correspondants vers l'extérieur. Ensuite, ces ébauches aplaties sont livrées à un utilisateur, qui, pour y loger des objets à emballer, les met en forme par expansion parallèlement à la diagonale aplatie dudit parallélogramme, puis replie et colle lesdits rabats pour former le fond, et, après remplissage, le couvercle de ladite caisse.After this operation, said blank therefore has a flattened parallelogram section, said lateral flaps respectively extending the corresponding flaps outwards. Then, these flattened blanks are delivered to a user, who, to accommodate objects to be packaged there, shapes them by expansion parallel to the flattened diagonal of said parallelogram, then folds and glues said flaps to form the bottom, and, after filling , the cover of said box.

Le fond et le couvercle de ladite caisse sont alors chacun formés par deux petits rabats rectangulaires intérieurs opposés, non jointifs, et par deux grands rabats rectangulaires extérieurs, opposés, jointifs.The bottom and the cover of said box are then each formed by two small opposite internal rectangular flaps, not joined, and by two large external rectangular flaps, opposite, joining.

Les caisses ainsi réalisées constituent des emballages entièrement fermés, ce qui n'est bien souvent pas nécessaire lorsque les produits emballés dans ces caisses sont eux-mêmes enfermés dans un conteneur (bouteille par exemple).The cases thus produced constitute completely closed packages, which is very often not necessary when the products packed in these cases are themselves enclosed in a container (bottle for example).

La présente invention a pour objet de perfectionner une caisse américaine telle que décrite ci-dessus, et ce notamment afin de gagner de la matière (carton, carton ondulé, etc...) sur sa fabrication.The object of the present invention is to improve an American box as described above, and this in particular in order to save material (cardboard, corrugated cardboard, etc.) on its manufacture.

Dans ce but, la présente invention propose essentiellement un emballage de matière en feuille, telle que carton ou carton ondulé, de forme au moins approximativement parallélépipédique, comportant :

  • - au moins quatre faces latérales, rectangulaires ou sensiblement rectangulaires, deux à deux identiques et reliées entre elles par l'intermédiaire de premières lignes de pliage parallèles, deux faces latérales opposées ayant une hauteur (H) supérieure à la hauteur (h) des deux autres faces latérales opposées ;
  • - un fond constitué par des rabats rel iés auxdites faces latérales par des deuxièmes lignes de pliage orthogonales auxdites premières lignes de pliage ; et
  • - un couvercle formé par des rabats reliés auxdites faces latérales les plus hautes par des troisièmes lignes de pliage, orthogonales auxdites premières lignes de pliage;

caractérisé en ce que :
  • - la largeur (x) des parties desdites faces latérales les plus hautes, qui font saillie par rapport auxdites faces latérales les moins hautes, est inférieure à la distance (X) séparant lesdites parties saillantes, lorsque ledit emballage est à plat ;
  • - le fond dudit emballage est formé par deux petits rabats inférieurs opposés, respectivement solidaires desdites faces latérales les moins hautes sur toute la longueur des deuxièmes lignes de pliage, et de deux grands rabats extérieurs opposés, respectivement solidaires desdites faces latérales les plus hautes sur toute la longueur des deuxièmes lignes de pliage, ces deux grands rabats extérieurs couvrant à eux deux sensiblement la totalité ou la totalité de la surface dudit fond, étant jointifs le long de leurs bords libres situés du côté opposé aux deuxièmes lignes de pliage, et présentant des bords latéraux libres par rapport aux bords latéraux des petits rabats intérieurs de volet adjacents.
For this purpose, the present invention essentially provides a packaging of sheet material, such as cardboard or corrugated cardboard, of at least approximately rectangular shape, comprising:
  • - at least four lateral faces, rectangular or substantially rectangular, two by two identical and connected to each other by means of first parallel fold lines, two opposite lateral faces having a height (H) greater than the height (h) of the two other opposite side faces;
  • - A bottom formed by flaps connected to said lateral faces by second fold lines orthogonal to said first fold lines; and
  • - A cover formed by flaps connected to said uppermost side faces by third fold lines, orthogonal to said first fold lines;

characterized in that:
  • - The width (x) of the parts of said highest side faces, which project with respect to said least side sides, is less than the distance (X) separating said projecting parts, when said package is flat;
  • - The bottom of said package is formed by two small opposite lower flaps, respectively integral with said least tall side faces over the entire length of the second fold lines, and two large opposite exterior flaps, respectively integral with said highest lateral faces over all the length of the second fold lines, these two large outer flaps together covering substantially all or all of the surface of said bottom, being contiguous along their free edges located on the side opposite to the second fold lines, and having lateral edges free with respect to the lateral edges of the small interior flaps of adjacent flap.

On obtient ainsi un emballage en forme de panier, dans lequel deux faces opposées sont ajourées et qui peut être obtenu à partir de flans dont les parties saillantes s'interpénètrent, de sorte que l'on réalise un gain important de matière.A basket-shaped packaging is thus obtained, in which two opposite faces are perforated and which can be obtained from blanks the projecting parts of which interpenetrate, so that a significant gain in material is achieved.

On remarquera que, puisque conformément à l'invention les volets ont des hauteurs différentes, il est nécessaire de modifier en conséquence les butées de guidage et d'équerrage, mentionnées ci-dessus, pour les adapter à l'emballage conforme à la présente invention, ou bien, de préférence, utiliser un procédé de réalisation de caisse différent, par exemple du type de celui décrit dans le brevet américain US-A-4 932 930.It will be noted that, since, in accordance with the invention, the flaps have different heights, it is necessary to modify the abutments for guiding and squaring, mentioned above, to adapt them to the packaging according to the present invention. , or, preferably, use a different body-making method, for example of the type described in American patent US-A-4,932,930.

Avantageusement on a recours de plus à l'une et/ou à l'autre des dispositions suivantes :

  • - la largeur (d) desdits petits rabats intérieurs, perpendiculairement auxdites deuxièmes lignes de pliage correspondantes, est inférieure à celle (D) desdits grands rabats extérieurs de fond,
  • - les extrémités desdits grands rabats extérieurs de fond comportent des échancrures dans les bords libres de ceux-ci,
  • - au moins au voisinage desdites deuxièmes lignes de pliage, la largeur (L) desdites faces latérales les plus hautes est plus grande que la largeur 1 desdites faces latérales les moins hautes,
  • - l'emballage est en carton ondulé, d'épaisseur comprise entre de l'ordre de 2 mm et de l'ordre de 5 mm,
  • - au moins au voisinage de son fond, il présente une section rectangulaire à coins coupés,
  • - au moins au voisinage de son fond, il présente une section rectangulaire à coins arrondis.
Advantageously, one and / or the other of the following provisions are used:
  • the width (d) of said small interior flaps, perpendicular to said second corresponding fold lines, is less than that (D) of said large exterior bottom flaps,
  • the ends of said large outer bottom flaps have notches in the free edges thereof,
  • - at least in the vicinity of said second fold lines, the width (L) of said highest side faces is greater than the width 1 of said least high side faces,
  • - the packaging is made of corrugated cardboard, with a thickness of between around 2 mm and around 5 mm,
  • - at least in the vicinity of its bottom, it has a rectangular section with cut corners,
  • - At least in the vicinity of its bottom, it has a rectangular section with rounded corners.

Ainsi grâce à ses dispositions, il est notamment possible de prévoir des flans pour la réalisation de l'emballage, dans lesquels les rabats des deux flans successifs s'interpénètrent également, de sorte que l'on réalise un gain de matière en feuille supplémentaire.Thus, thanks to its provisions, it is in particular possible to provide blanks for producing the packaging, in which the flaps of the two successive blanks also interpenetrate, so that an additional sheet material gain is achieved.

L'invention propose également un flan de matière en feuille, en carton ou carton ondulé, pour la réalisation d'un emballage de forme au moins approximativement parallélépipédique, ledit flan comportant :

  • - une suite d'au moins quatre volets rectangulaires ou sensiblement rectangulaires, deux à deux identiques, reliés les uns aux autres par des premières lignes de pliage parallèles, deux volets non consécutifs ayant une hauteur (H), perpendiculairement auxdites deuxièmes lignes de pliage, supérieure à la hauteur (h) des deux autres volets non consécutifs ;
  • - un premier ensemble de rabats latéraux disposés d'un côté de ladite suite de volets, reliés à celle-ci par des deuxièmes lignes de pliage perpendiculaires auxdites premières lignes de pliage et destinés à former le fond dudit emballage, et un second ensemble de rabats latéraux, destinés à former le couvercle dudit emballage, reliés aux volets les plus hauts par des troisièmes lignes de pliage, orthogonales auxdites premières lignes de pliage ;

caractérisé en ce que :
  • - la largeur (x) des parties desdits volets les plus hauts qui font saillie par rapport auxdits volets les moins hauts est inférieure à la distance (X) séparant lesdites parties saillantes ;
  • - ledit premier ensemble de rabats latéraux comporte deux petits rabats, respectivement solidaires desdits volets les moins hauts sur toute la longueur desdites deuxièmes lignes de pliage et deux grands rabats, respectivement solidaires desdits volets les plus hauts sur toute la longueur desdites deuxièmes lignes de pliage, les bords latéraux des rabats dudit premier ensemble étant libres, respectivement, par rapport aux bords latéraux des rabats adjacents situés en vis-à-vis.
The invention also provides a blank of sheet material, of cardboard or corrugated cardboard, for producing a packaging of at least approximately parallelepiped shape, said blank comprising:
  • a series of at least four rectangular or substantially rectangular flaps, two by two identical, connected to each other by first parallel fold lines, two non-consecutive flaps having a height (H), perpendicular to said second fold lines, greater than the height (h) of the other two non-consecutive flaps;
  • - A first set of side flaps arranged on one side of said series of flaps, connected thereto by second fold lines perpendicular to said first fold lines and intended to form the bottom of said package, and a second set of flaps lateral, intended to form the cover of said package, connected to the highest flaps by third fold lines, orthogonal to said first fold lines;

characterized in that:
  • - The width (x) of the parts of said highest flaps which project from said least flaps is less than the distance (X) separating said projecting parts;
  • said first set of lateral flaps comprises two small flaps, respectively integral with said lowest flaps over the entire length of said second fold lines and two large flaps, respectively integral with said highest flaps over the entire length of said second fold lines, the side edges of the flaps of said first set being free, respectively, with respect to the side edges of the adjacent flaps located opposite.

Avantageusement, au moins au voisinage desdites deuxièmes lignes de pliage, la largeur desdits volets les plus hauts est plus grande que la largeur desdits volets les moins hauts.Advantageously, at least in the vicinity of said second fold lines, the width of said highest flaps is greater than the width of said lowest flaps.

Dans des modes préférés de réalisation, on a de plus recours aux dispositions suivantes :

  • - la largeur (d) desdits petits rabats dudit premier ensemble, perpendiculairement auxdites deuxièmes lignes de pliage correspondantes, est inférieure à celle (D) desdits grands rabats dudit premier ensemble,
  • - le flan est en carton ondulé d'épaisseur comprise entre de l'ordre de 2 mm et de l'ordre de 5 mm,
  • - au moins au voisinage desdites deuxièmes lignes de pliage, la largeur (L) desdits volets les plus hauts est plus grande que la largeur (I) desdits volets les moins hauts,
  • - les extrémités latérales desdits grands rabats dudit premier ensemble comportent des échancrures dans les bords libres de ceux-ci,
  • - la profondeur (p) desdites échancrures, parallèlement auxdits bords libres desdits grands rabats dudit premier ensemble, est au plus égale à ladite largeur (d) desdits petits rabats dudit premier ensemble,
  • - la suite de volets comporte des volets étroits supplémentaires ne portant pas de rabats à leurs extrémités, au moins certains desdits rabats présentant, au voisinage de la ligne de pliage les reliant au volet correspondant, la forme de la section de l'emballage obtenu à partir dudit flan.
In preferred embodiments, use is also made of the following arrangements:
  • the width (d) of said small flaps of said first set, perpendicular to said second corresponding fold lines, is less than that (D) of said large flaps of said first set,
  • - the blank is made of corrugated cardboard with a thickness of between about 2 mm and about 5 mm,
  • - at least in the vicinity of said second fold lines, the width (L) of said highest flaps is greater than the width (I) of said lowest flaps,
  • the lateral ends of said large flaps of said first set include notches in the free edges thereof,
  • the depth (p) of said notches, parallel to said free edges of said large flaps of said first set, is at most equal to said width (d) of said small flaps of said first set,
  • the series of flaps comprises additional narrow flaps not carrying flaps at their ends, at least some of said flaps having, in the vicinity of the fold line connecting them to the corresponding flap, the shape of the section of the packaging obtained at from said blank.

Lorsqu'un tel flan est destiné à former une caisse à coins coupés (section octogonale) ou arrondis, on prévoit dans la suite de volets des volets étroits supplémentaires ne portant pas de rabats à leurs extrémités. En revanche, au moins certains des rabats du premier ensemble présentent, au voisinage de la ligne de pliage les reliant au volet correspondant, la forme de la section de la caisse obtenue à partir dudit flan.When such a blank is intended to form a box with cut corners (octagonal section) or rounded, there are provided in the series of flaps additional narrow flaps not carrying flaps at their ends. On the other hand, at least some of the flaps of the first set have, in the vicinity of the fold line connecting them to the corresponding flap, the shape of the section of the body obtained from said blank.

L'invention propose également un procédé pour la découpe de flans identiques tels que décrits ci-dessus, dans une feuille ou une bande de carton ondulé, caractérisé en ce que deux flans découpés successivement sont tournés de 180° dans leur plan l'un par rapport à l'autre, les parties saillantes des volets les plus hauts de l'un desdits flans étant imbriquées avec les parties saillantes des volets les plus hauts de l'autre desdits flans, et en ce que des espaces entre les bords libres latéraux des volets les plus hauts de deux flans consécutifs en opposition sont découpés et éjectés de façon à ce que les bords extérieurs latéraux les plus extrêmes des deux flans consécutifs en opposition soient alignés.The invention also provides a method for cutting identical blanks as described above, from a sheet or strip of corrugated cardboard, characterized in that two successively cut blanks are turned 180 ° in their plane, one by relative to the other, the projecting parts of the tallest flaps of one of said blanks being nested with the projecting parts of the tallest flaps of the other of said blanks, and in that spaces between the free lateral edges of the the highest flaps of two consecutive blanks in opposition are cut and ejected so that the most extreme lateral outer edges of the two consecutive blanks in opposition are aligned.

De plus, deux flans découpés successivement peuvent être tournés dans leur plan de 180° l'un par rapport à l'autre, les petits rabats et les grands rabats dudit premier ensemble d'un des flans se trouvant respectivement en regard des grands rabats et des petits rabats dudit premier ensemble de l'autre desdits flans, les petits et les grands rabats propres à former le fond étant jointifs sur tout le long des bords libres des petits rabats opposés aux deuxièmes lignes de pliage.In addition, two successively cut blanks can be rotated in their plane by 180 ° relative to each other, the small flaps and the large flaps of said first set of one of the blanks being respectively opposite the large flaps and small flaps of said first set of the other of said blanks, the small and large flaps suitable for forming the bottom being contiguous along the free edges of the small flaps opposite the second fold lines.

Avantageusement, on découpe les flans, les premières lignes de pliage étant parallèles aux lignes d'ondulation du carton ondulé.Advantageously, the blanks are cut, the first fold lines being parallel to the corrugation lines of the corrugated cardboard.

Dans un autre mode de réalisation, les premières lignes de pliage sont perpendiculaires aux lignes d'ondulation du carton ondulé.In another embodiment, the first fold lines are perpendicular to the corrugation lines of the corrugated board.

  • Les figures du dessin annexé feront bien comprendre comment l'invention peut être réalisée. Sur ces figures, des références identiques désignent des éléments semblables. De plus, à des fins de simplicité et de clarté, des références identiques ont été utilisées pour les volets et rabats des flans et pour les faces ou parties de face des caisses correspondantes.The figures of the appended drawing will make it clear how the invention can be implemented. In these figures, identical references designate similar elements. In addition, for simplicity and clarity, identical references have been used for the flaps and flaps of the blanks and for the faces or face parts of the corresponding boxes.
  • Les figures 1 et 2 sont des vues en perspective, respectivement du dessus et du dessous, d'un exemple de réalisation d'un emballage conforme à la présente invention.Figures 1 and 2 are perspective views, respectively from above and below, of an exemplary embodiment of a package according to the present invention.
  • La figure 3 montre, à plat et disposés de façon imbriquée, deux flans de carton, dont chacun permet de réaliser l'emballage des figures 1 et 2.FIG. 3 shows, flat and nested, two cardboard blanks, each of which allows the packaging of FIGS. 1 and 2 to be produced.
  • La figure 4 montre, à plat et disposés de façon imbriquée, trois flans de carton différents de ceux de la figure 3, dont chacun permet de réaliser un emballage légèrement différent de celui des figures 1 et 2.FIG. 4 shows, flat and nested, three cardboard blanks different from those of FIG. 3, each of which makes it possible to produce a packaging slightly different from that of FIGS. 1 and 2.
  • La figure 5 est une vue en perspective du dessous de l'emballage obtenu par la mise en oeuvre d'un flan de la figure 4.FIG. 5 is a perspective view from below of the packaging obtained by the implementation of a blank of FIG. 4.
  • La figure 6 est une vue en perspective du dessus d'une variante de réalisation de l'emballage conforme à la présente invention, comportant des coins coupés.Figure 6 is a perspective view from above of an alternative embodiment of the packaging according to the present invention, comprising cut corners.
  • La figure 7 montre, à plat et disposés de façon imbriquée, deux flans de carton, dont chacun permet de réaliser l'emballage de la figure 6.FIG. 7 shows, flat and nested, two cardboard blanks, each of which allows the packaging of FIG. 6 to be produced.
  • La figure 8 montre, à plat et disposés de façon imbriquée, trois flans de carton différents de ceux de la figure 7, dont chacun permet de réaliser un emballage légèrement différent de celui de la figure 6.FIG. 8 shows, flat and nested, three blanks of cardboard different from those of FIG. 7, each of which makes it possible to produce a packaging slightly different from that of FIG. 6.
  • La figure 9 est une vue en perspective du dessus d'une variante de réalisation de l'emballage conforme à la présente invention, comportant des coins arrondis.Figure 9 is a perspective view from above of an alternative embodiment of the packaging according to the present invention, having rounded corners.
  • La figure 10 montre, à plat et disposés de façon imbriquée, trois flans de carton, dont chacun d'eux permet de réaliser l'emballage de la figure 9.FIG. 10 shows, flat and nested, three blanks of cardboard, each of which enables the packaging of FIG. 9 to be produced.

L'emballage E1, conforme à l'invention et montré par les figures 1 et 2, est sensiblement parallélépipédique à section rectangulaire. Cette section rectangulaire présente une longueur L et une largeur 1.The packaging E1, in accordance with the invention and shown in FIGS. 1 and 2, is substantially parallelepipedal with rectangular section. This rectangular section has a length L and a width 1.

Pour réaliser l'emballage E1, on part d'un des deux flans identiques F1, montrés par la figure 3.To make the packaging E1, we start from one of the two identical blanks F1, shown in FIG. 3.

Chaque flan F1 de matière en feuille, par exemple de carton ou de carton ondulé, montré par la figure 3 comporte une suite de quatre volets alignés 1, 2, 3 et 4, deux à deux reliés par des lignes de pliage préformées et parallèles 5, 6 et 7. Ces lignes de pliage parallèles 5, 6 et 7 sont respectivement disposées entre les volets 1 et 2, 2 et 3, et 3 et 4. Le long du bord libre du volet extrême 4 dudit ensemble de volets 1 à 4 est disposée une languette 8, reliée audit volet extrême 4 par une ligne de pliage 9, parallèle aux lignes de pliage 5, 6 et 7.Each blank F1 of sheet material, for example of cardboard or corrugated cardboard, shown in FIG. 3 comprises a series of four aligned flaps 1, 2, 3 and 4, two by two linked by preformed and parallel fold lines 5 , 6 and 7. These parallel fold lines 5, 6 and 7 are respectively arranged between the flaps 1 and 2, 2 and 3, and 3 and 4. Along the free edge of the end flap 4 of said set of flaps 1 to 4 a tongue 8 is arranged, connected to said end flap 4 by a fold line 9, parallel to the fold lines 5, 6 and 7.

Par ailleurs, d'un côté de chaque volet 1 à 4, sont prévus des rabats 10.1, 10.2, 10.3 et 10.4. Chaque rabat latéral 10.1 à 10.4 est articulé au volet 1 à 4 correspondant par une ligne de pliage préformée 11.1 à 11.4. Les lignes de pliage 11.1 à 11.4 sont alignées et perpendiculaires aux lignes de pliage 5, 6 et 7. Perpendiculairement aux lignes de pliage 11.1 à 11.4, la hauteur H des volets 1 et 3 est plus grande que la hauteur des volets 2 et 4, les volets 1 et 3, d'une part, et 2 et 4, d'autre part, étant identiques. Par ailleurs, la largeurx des parties des volets 1 et 3 qui font saillie au-delà des volets 2 et 4 est plus petite que la distance X séparant les bords en regard de ces parties saillantes. De plus, les rabats 10.1, 10.3, 11.1 et 11.3 sont identiques. La longueur de chacun des rabats 10.1 à à 10.4, parallèlement à la ligne de pliage préformée 11.1 à 11.4 correspondante, est égale à la dimension L ou 1 correspondante du volet 1 à 4 auquel est relié ledit rabat. A l'extrémité des volets 1 et 3, opposée aux rabats 10.1 et 10.3, est articulé un rabat 12.1 ou 12.3 respectivement, articulé autour d'une ligne de pliage 13.1 ou 13.3 respectivement. Les lignes de pliage 13.1 et 13.3 sont alignées et perpendiculaires aux lignes de pliage 5 à 7.Furthermore, on one side of each flap 1 to 4, flaps 10.1, 10.2, 10.3 and 10.4 are provided. Each lateral flap 10.1 to 10.4 is articulated to the corresponding flap 1 to 4 by a preformed fold line 11.1 to 11.4. The fold lines 11.1 to 11.4 are aligned and perpendicular to the fold lines 5, 6 and 7. Perpendicular to the fold lines 11.1 to 11.4, the height H of the flaps 1 and 3 is greater than the height of the flaps 2 and 4, shutters 1 and 3, on the one hand, and 2 and 4, on the other hand, being identical. Furthermore, the width x of the parts of the flaps 1 and 3 which project beyond the flaps 2 and 4 is smaller than the distance X separating the facing edges of these projecting parts. In addition, the flaps 10.1, 10.3, 11.1 and 11.3 are identical. The length of each of the flaps 10.1 to 10.4, parallel to the corresponding preformed fold line 11.1 to 11.4, is equal to the corresponding dimension L or 1 of the flap 1 to 4 to which said flap is connected. At the end of the flaps 1 and 3, opposite the flaps 10.1 and 10.3, is articulated a flap 12.1 or 12.3 respectively, articulated around a fold line 13.1 or 13.3 respectively. The fold lines 13.1 and 13.3 are aligned and perpendicular to the fold lines 5 to 7.

Ainsi, un flan F1 comporte deux grands volets 1 et 3, auxquels sont respectivement associés deux grands rabats 10.1 et 10.3, d'une part, et deux rabats 12.1 et 12.3, d'autre part, ainsi que deux petits volets 2 et 4, auxquels sont respectivement associés deux petits rabats 10.2 et 10.4. La partie des grands volets 1 et 3 débordant des volets 2 et 4, moins large que la base desdits grands volets, est reliée à celle-ci par un décrochement 19.Thus, an F1 blank has two large flaps 1 and 3, to which are respectively associated two large flaps 10.1 and 10.3, on the one hand, and two flaps 12.1 and 12.3, on the other hand, as well as two small flaps 2 and 4, to which are associated respectively two small flaps 10.2 and 10.4. The part of the large flaps 1 and 3 projecting from the flaps 2 and 4, less wide than the base of the said large flaps, is connected to the latter by a recess 19.

La largeur D de chacun desdits petits et grands rabats 10.1 à 10.4 est approximativement égale à la moitié de la largeur de l'emballage E1. Il en résulte que les bords libres 14.1 à 14.4 des rabats 10.1 à 10.4 sont alignés. De même, les bords libres 15.1 et 15.3 des rabats 12.1 et 12.3 sont alignés. Eventuellement, une ligne de prépliage 16.1 ou 16.3, respectivement, parallèle aux lignes de pliage 11.1,13.1 et 11.3,13.3, est prévue dans les volets 1 et 3.The width D of each of said small and large flaps 10.1 to 10.4 is approximately equal to half the width of the package E1. As a result, the free edges 14.1 to 14.4 of the flaps 10.1 to 10.4 are aligned. Similarly, the free edges 15.1 and 15.3 of the flaps 12.1 and 12.3 are aligned. Optionally, a pre-folding line 16.1 or 16.3, respectively, parallel to the folding lines 11.1,13.1 and 11.3,13.3, is provided in sections 1 and 3.

Pour réaliser l'emballage E1 des figures 1 et 2 à partir d'un flan F1, on applique sur la languette 8 de celui-ci (ou sur le volet 1, le long de son bord libre 18) au moins une ligne d'adhésif 17, puis on replie ledit flan F1 autour de la ligne de pliage 6 et on fixe ladite languette 8 sur le volet 1, au voisinage dudit bord libre 18.To make the packaging E1 of FIGS. 1 and 2 from a blank F1, there is applied to the tongue 8 thereof (or to the flap 1, along its free edge 18) at least one line of adhesive 17, then said blank F1 is folded around the fold line 6 and said tongue 8 is fixed on the flap 1, in the vicinity of said free edge 18.

On obtient ainsi une ébauche (non représentée) de l'emballage E1, ladite ébauche ayant une section en parallélogramme aplati, avec les rabats 10.1 à 10.4 et 12.1 et 12.3 prolongeant les volets 1 à 4 vers l'extérieur. Dans cette ébauche, les bords libres alignés 14.1 et 14.2 des grand et petit rabats 10.1 et 10.2 sont superposés aux bords libres alignés 14.3 et 14.4 des grand et petit rabats 10.3 et 10.4. De même, les bords libres alignés 15.1 et 15.3 des grands rabats 12.1 et 12.3 sont superposés. Cette superposition permet à des butées latérales (non représentées) de guider et d'équerrer ladite ébauche au moment de la fixation de la languette 8 sur le volet 1, lesdites butées coopérant respectivement avec les bords libres 14.1, 14.2 et 14.3, 14.4 superposés, d'une part, et avec les bords libres 15.1 et 15.3 superposés, d'autre part.A blank (not shown) of the packaging E1 is thus obtained, said blank having a flattened parallelogram section, with the flaps 10.1 to 10.4 and 12.1 and 12.3 extending the flaps 1 to 4 outwards. In this draft, the aligned free edges 14.1 and 14.2 of the large and small flaps 10.1 and 10.2 are superimposed on the aligned free edges 14.3 and 14.4 of the large and small flaps 10.3 and 10.4. Likewise, the aligned free edges 15.1 and 15.3 of the large flaps 12.1 and 12.3 are superimposed. This superimposition allows the lateral stops (not shown) to guide and square said blank when the tongue 8 is fixed on the flap 1, said stops cooperating respectively with the free edges 14.1, 14.2 and 14.3, 14.4 superimposed, on the one hand, and with the free edges 15.1 and 15.3 superimposed, on the other.

Au moment de l'utilisation de l'emballage, ladite ébauche est mise en forme et on forme le fond par repliement, autour des lignes de pliage 11.1 à 11.4, des rabats 10.1 à 10.4 que l'on fixe les uns aux autres, par exemple par collage.When the packaging is used, said blank is shaped and the bottom is formed by folding, around the fold lines 11.1 to 11.4, flaps 10.1 to 10.4 which are fixed to each other, by example by collage.

Les deux petits rabats 10.2 et 10.4 sont disposés du côté intérieur de l'emballage, tandis que les deux grands rabats 10.1 et 10.3 sont extérieurs et couvrent, à eux deux, la totalité de la surface du fond dudit emballage (voir la figure 2).The two small flaps 10.2 and 10.4 are arranged on the inside of the package, while the two large flaps 10.1 and 10.3 are exterior and together cover the entire surface of the bottom of the package (see Figure 2) .

Comme on peut le voir sur la figure 2, les bords libres 14.1 et 14.3 des grands rabats 10.1 et 10.3 sont alors jointifs.As can be seen in Figure 2, the free edges 14.1 and 14.3 of the large flaps 10.1 and 10.3 are then joined.

Après remplissage de l'emballage avec les objets qu'il doit contenir, on forme le couvercle par repliement des rabats 12.1 et 12.3 autour des lignes de pliage 13.1 et 13.3, puis fixation desdits rabats entre eux, avec éventuellement un léger pliage des volets 1 et 3 autour des lignes de pliage 16.1 et 16.3.After filling the packaging with the objects it must contain, the cover is formed by folding the flaps 12.1 and 12.3 around the fold lines 13.1 and 13.3, then fixing said flaps together, possibly with a slight folding of the flaps 1 and 3 around fold lines 16.1 and 16.3.

Sur la figure 3, on a illustré la disposition de deux flans F1 successifs, découpés dans une plaque ou une bande de carton ou de carton ondulé.In FIG. 3, the arrangement of two successive blanks F1 has been illustrated, cut from a plate or a strip of cardboard or corrugated cardboard.

Comme on peut le voir, afin de gagner de la matière de ladite plaque ou de ladite bande, les deux flans successifs F1 sont tournés dans leur plan de 180° l'un par rapport à l'autre, de façon que les volets 1 et 3 de l'un se trouvent en regard des volets 4 et 2 de l'autre, c'est-à-dire que les parties saillantes desdits volets 1 et 3 des deux flans 1 s'interpénètrent.As can be seen, in order to gain material from said plate or from said strip, the two successive blanks F1 are turned in their plane by 180 ° relative to each other, so that the flaps 1 and 3 of one are opposite flaps 4 and 2 of the other, that is to say that the projecting parts of said flaps 1 and 3 of the two blanks 1 interpenetrate.

Sur les figures 4 et 5, on a respectivement représenté une variante F1' du flan F1 et la variante correspondante E1' de l'emballage E1, permettant d'accroître encore le gain de matière.In FIGS. 4 and 5, a variant F1 ′ of the blank F1 has been shown respectively and the corresponding variant E1 ′ of the package E1, making it possible to further increase the gain in material.

A cette fin, dans cette variante de réalisation, le flan F'1 et l'emballage E1' sont respectivement identiques au flan F1 et à l'emballage E1, sauf en ce qui concerne les points suivants :

  • - les petits rabats intérieurs 10.2 et 10.4, au lieu de présenter la largeur D des grands rabats extérieurs 10.1 et 10.3, ont une largeur d inférieure à D ;
  • - les extrémités des grands rabats extérieurs 10.1 et 10.3 comportent des échancrures 20 dans les bords libres 14.1 et 14.3 desdits grands rabats extérieurs ;
  • - la profondeur p desdites échancrures 20, parallèlement auxdits bords libres jointifs 14.1 et 14.3 des grands rabats extérieurs 10.1 et 10.3, est inférieure à ladite largeur d des petits rabats intérieurs 10.2 et 10.4.
To this end, in this alternative embodiment, the blank F'1 and the packaging E1 'are respectively identical to the blank F1 and the packaging E1, except as regards the following points:
  • - the small internal flaps 10.2 and 10.4, instead of having the width D of the large external flaps 10.1 and 10.3, have a width d less than D;
  • - The ends of the large outer flaps 10.1 and 10.3 have notches 20 in the free edges 14.1 and 14.3 of said large outer flaps;
  • - The depth p of said notches 20, parallel to said contiguous free edges 14.1 and 14.3 of the large external flaps 10.1 and 10.3, is less than said width d of small internal flaps 10.2 and 10.4.

La figure 5 montre le fond de l'emballage E1', ainsi obtenu. On peut y voir que, lorsque les grands rabats extérieurs 10.1 et 10.3 forment l'extérieur du fond de l'emballage E1', les échancrures 20 desdits rabats se trouvent deux à deux en regard, pourformer deux doubles échancrures 20 dans ledit fond. Du fait que la profondeur des échancrures 20 est inférieure à la largeur d des petits rabats 10.2 et 10.4, chacune desdites doubles échancrures 20 est obturée par le petit rabat 10.2, 10.4 correspondant.FIG. 5 shows the bottom of the package E1 ′, thus obtained. It can be seen there that, when the large outer flaps 10.1 and 10.3 form the outside of the bottom of the package E1 ', the notches 20 of said flaps are in pairs facing each other, to form two double notches 20 in said bottom. Because the depth of the notches 20 is less than the width d of the small flaps 10.2 and 10.4, each of said double notches 20 is closed by the corresponding small flap 10.2, 10.4.

Par ailleurs, comme l'illustre la figure 4 dans sa partie supérieure, grâce aux particularités mentionnées ci-dessus, il est possible d'imbriquer deux flans F1' consécutifs par leurs rabats dans une feuille ou une bande de carton ou de carton ondulé, pour gagner de la matière au découpage desdits flans.Furthermore, as illustrated in FIG. 4 in its upper part, thanks to the features mentioned above, it is possible to nest two consecutive blanks F1 ′ by their flaps in a sheet or a strip of cardboard or of corrugated cardboard, to gain material when cutting said blanks.

Sur la figure 4, à la partie supérieure, on a représenté un exemple d'imbrication des rabats 10.1 à 10.4 d'un flan F1' avec les rabats 10.1 à 10.4 d'un autre flan F1', tourné de 180°. Il est ainsi possible de disposer en regard les grands rabats 10.1 et 10.3 de l'un des flans F1' avec les petits rabats 10.2 et 10.4 de l'autre desdits flans et de gagner une bande de matière (carton, carton ondulé) de largeur q.In FIG. 4, at the upper part, an example of the nesting of the flaps 10.1 to 10.4 of a blank F1 'has been shown with the flaps 10.1 to 10.4 of another blank F1', rotated by 180 °. It is thus possible to have opposite the large flaps 10.1 and 10.3 of one of the blanks F1 'with the small flaps 10.2 and 10.4 of the other of said blanks and to gain a strip of material (cardboard, corrugated cardboard) of width q.

Comme l'illustre la figure 4, on voit donc que les flans F1' successifs peuvent être tournés de 180° dans leur plan pour s'imbriquer successivement par leurs volets 1 à 4 ou par leurs rabats 10.1 à 10.4.As illustrated in FIG. 4, it can therefore be seen that the successive blanks F1 ′ can be turned 180 ° in their plane to nest successively by their flaps 1 to 4 or by their flaps 10.1 to 10.4.

Dans l'emballage E2, conforme à la présente invention et montré par la figure 6, la base n'est plus à section rectangulaire comme pour les emballages E1 et E1' décrits ci-dessus, mais à section octogonale, du fait que les coins latéraux dudit emballage ont été coupés.In the E2 packaging, in accordance with this in vention and shown in Figure 6, the base is no longer rectangular section as for the packages E1 and E1 'described above, but octagonal section, because the side corners of said package have been cut.

A cet effet, comme le montre la figure 7 qui peut être rapprochée de la figure 3, chacun des flans F2 destiné à former un emballage E2 comporte des volets étroits supplémentaires 30, respectivement interposés entre les volets 1 et 2, 2 et 3, 3 et 4, et 4 et 1. Des lignes de pliage 5',5" - 6',6" - 7',7" et 9',9", semblables aux lignes de pliage 5 à 9, relient lesdits volets étroits 30 auxdits volets 1 à 4.To this end, as shown in FIG. 7 which can be compared to FIG. 3, each of the blanks F2 intended to form a package E2 comprises additional narrow flaps 30, respectively interposed between the flaps 1 and 2, 2 and 3, 3 and 4, and 4 and 1. Fold lines 5 ', 5 "- 6', 6" - 7 ', 7 "and 9', 9", similar to fold lines 5 to 9, connect said narrow flaps 30 to said sections 1 to 4.

Aux volets étroits 30 ne sont associés aucuns rabats semblables aux rabats 10.1 à 10.4. Dans l'exemple de la figure 7, les grands rabats 10.1 et 10.3 restent au moins sensiblement rectangulaires, tandis que, au voisinage des lignes de pliage les reliant au volet correspondant 2 ou 4, les petits rabats 10.2 et 10.4 présentent la forme de la section de l'emballage octogonal E2, c'est-à-dire comportant des évasements 31.The narrow flaps 30 are not associated with any flaps similar to the flaps 10.1 to 10.4. In the example of FIG. 7, the large flaps 10.1 and 10.3 remain at least substantially rectangular, while, in the vicinity of the fold lines connecting them to the corresponding flap 2 or 4, the small flaps 10.2 and 10.4 have the shape of the section of the octagonal packaging E2, that is to say comprising flares 31.

Les flans F2 de la figure 7 sont imbriqués par leurs volets saillants 1 et 3, mais ne peuvent être imbriqués par leurs rabats 10.1 à 10.4.The blanks F2 of FIG. 7 are nested by their projecting flaps 1 and 3, but cannot be nested by their flaps 10.1 to 10.4.

Dans la variante de réalisation F2' de la figure 8 (qui peut être rapprochée de la figure 4), les flans F2' peuvent être imbriqués par leurs volets et par leurs rabats, du fait que la largeur d des rabats 10.2 et 10.4 est inférieure à la largeur D des rabats 10.1 et 10.3 et que les extrémités de ceux-ci sont pourvues d'échancrures 20 dans leurs bords libres.In the alternative embodiment F2 ′ of FIG. 8 (which can be compared to FIG. 4), the blanks F2 ′ can be nested by their flaps and by their flaps, because the width d of the flaps 10.2 and 10.4 is less at the width D of the flaps 10.1 and 10.3 and that the ends thereof are provided with notches 20 in their free edges.

On remarquera que, dans l'exemple de la figure 8, l'évasement 31 est porté par les grands rabats 10.1 et 10.3 et non plus par les petits rabats 10.2 et 10.4.It will be noted that, in the example of FIG. 8, the flaring 31 is carried by the large flaps 10.1 and 10.3 and no longer by the small flaps 10.2 and 10.4.

Dans l'emballage E3, conforme à la présente invention et montré par la figure 9, les coins de la base sont arrondis. Comme le montre la figure 10, qui peut être rapprochée des figures 4 et 8, chacun des flans F3 destiné à former un emballage E3 comporte des ensembles de petits volets intermédiaires 40, respectivement interposés entre les volets 1 et 2,2 et 3, 3 et 4 et 4 et 1. Dans un ensemble de volets 40, ces volets sont articulés les uns aux autres par des lignes de pliage 41. Des lignes de pliage 5',5" - 6,6" - 7', 7" et 9', 9", semblables aux lignes de pliage 5 à 9, relient chaque ensemble de volets 40 auxdits volets 1 à 4.In the packaging E3, in accordance with the present invention and shown in FIG. 9, the corners of the base are rounded. As shown in FIG. 10, which can be compared to FIGS. 4 and 8, each of the blanks F3 intended to form a package E3 comprises sets of small intermediate flaps 40, respectively interposed between the flaps 1 and 2.2 and 3, 3 and 4 and 4 and 1. In a set of flaps 40, these flaps are hinged to each other by fold lines 41. Fold lines 5 ', 5 "- 6.6" - 7', 7 "and 9 ', 9 ", similar to the fold lines 5 to 9, connect each set of flaps 40 to said flaps 1 to 4.

Chacun des rabats 10.1 à 10.4 comporte des évasements arrondis 42, au voisinage de la ligne de pliage le raccordant au volet correspondant, afin de pouvoir épouser la forme arrondie des coins de l'emballage E3.Each of the flaps 10.1 to 10.4 has rounded flares 42, in the vicinity of the fold line connecting it to the corresponding flap, in order to be able to match the rounded shape of the corners of the packaging E3.

On remarquera que l'échancrure 20 des grands rabats 10.1 et 10.3 est formée par la coupe biaise des coins de ceux-ci.It will be noted that the notch 20 of the large flaps 10.1 and 10.3 is formed by the bias cut of the corners thereof.

Il va de soi que lesdites échancrures 20 peuvent présenter toute forme appropriée permettant l'imbrication des rabats 10.1 à 10.4. Ces échancrures peuvent être à contour courbe ou être constituées de segment(s) de droite.It goes without saying that said notches 20 may have any suitable shape allowing the nesting of the flaps 10.1 to 10.4. These indentations can be of curved outline or consist of segment (s) on the right.

Claims (17)

1. Emballage de matière en feuille, telle que carton ou carton ondulé, de forme au moins approximativement parallélépipédique, comportant : - au moins quatre faces latérales (1 à 4), rectangulaires ou sensiblement rectangulaires, deux à deux identiques et reliées entre elles par l'intermédiaire de premières lignes de pliage parallèles (5 à 7), deux faces latérales opposées (1 à 3) ayant une hauteur (H) supérieure à la hauteur (h) des deux autres faces latérales opposées (2 à 4) ; - un fond constitué par des rabats (10.1 à 10.4) reliés auxdites faces latérales par des deuxièmes lignes de pliage (11.1 à 11.4) orthogonales auxdites premières lignes de pliage ; et - un couvercle formé par des rabats (12.1, 12.3) reliés auxdites faces latérales les plus hautes par des troisièmes lignes de pliage (13.1, 13.3), orthogonales auxdites premières lignes de pliage: caractérisé en ce que : - la largeur (x) des parties desdites faces latérales les plus hautes (1 à 3), qui font saillie par rapport auxdites faces latérales les moins hautes (2 à 4), est inférieure à la distance (X) séparant lesdites parties saillantes, lorsque ledit emballage est à plat ; - le fond dudit emballage est formé par deux petits rabats inférieurs opposés (10.2 et 10.4), respectivement solidaires desdites faces latérales les moins hautes sur toute la longueur des deuxièmes lignes de pliage, et de deux grands rabats extérieurs opposés (10.1, 10.3), respectivement solidaires desdites faces latérales les plus hautes sur toute la longueur des deuxièmes lignes de pliage, ces deux grands rabats extérieurs couvrant à eux deux la totalité ou sensiblement la totalité de la surface dudit fond, étantjoin- tifs le long de leurs bords libres (14.1, 14.3) situés du côté opposé aux deuxièmes lignes de pliage, et présentant des bords latéraux libres par rapport aux bords latéraux des petits rabats intérieurs de volet adjacents. 1. Packaging of sheet material, such as cardboard or corrugated cardboard, of at least approximately parallelepiped shape, comprising: - at least four lateral faces (1 to 4), rectangular or substantially rectangular, two by two identical and connected to each other by means of first parallel fold lines (5 to 7), two opposite lateral faces (1 to 3) having a height (H) greater than the height (h) of the two other opposite lateral faces (2 to 4); - a bottom formed by flaps (10.1 to 10.4) connected to said lateral faces by second fold lines (11.1 to 11.4) orthogonal to said first fold lines; and - a cover formed by flaps (12.1, 12.3) connected to said highest lateral faces by third fold lines (13.1, 13.3), orthogonal to said first fold lines: characterized in that: the width (x) of the parts of said highest side faces (1 to 3), which project with respect to said least side sides (2 to 4), is less than the distance (X) separating said projecting parts, when said packaging is flat; the bottom of the said packaging is formed by two small opposite lower flaps (10.2 and 10.4), respectively integral with the said least high lateral faces over the entire length of the second fold lines, and by two large opposite external flaps (10.1, 10.3), respectively integral with said highest lateral faces over the entire length of the second fold lines, these two large outer flaps together covering all or substantially all of the surface of said bottom, being joined along their free edges (14.1 , 14.3) located on the side opposite to the second fold lines, and having free lateral edges with respect to the lateral edges of the small interior flaps of adjacent flap. 2. Emballage selon la revendication 1, caractérisé en ce que la largeur (d) desdits petits rabats intérieurs (10.2, 10.4), perpendiculairement auxdites deuxièmes lignes de pliage correspondantes, est inférieure à celle (D) desdits grands rabats extérieurs de fond (10.1, 10.3).2. Packaging according to claim 1, characterized in that the width (d) of said small inner flaps (10.2, 10.4), perpendicular to said second corresponding fold lines, is less than that (D) of said large outer bottom flaps (10.1 , 10.3). 3. Emballage selon l'une quelconque des revendications précédentes, caractérisé en ce que les extrémités desdits grands rabats extérieurs de fond comportent des échancrures (20) dans les bords libres (14.1, 14.3) de ceux-ci.3. Packaging according to any one of the preceding claims, characterized in that the ends of said large outer bottom flaps have notches (20) in the free edges (14.1, 14.3) thereof. 4. Emballage selon l'une quelconque des revendications précédentes, caractérisé en ce que, au moins au voisinage desdites deuxièmes lignes de pliage, la largeur (L) desdites faces latérales les plus hautes (1 et 3) est plus grande que la largeur (1) desdites faces latérales les moins hautes (2 et 4).4. Packaging according to any one of the preceding claims, characterized in that, at least in the vicinity of said second fold lines, the width (L) of said highest side faces (1 and 3) is greater than the width ( 1) of said least high lateral faces (2 and 4). 5. Emballage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est en carton ondulé, d'épaisseur comprise entre de l'ordre de 2 mm et de l'ordre de 5 mm.5. Packaging according to any one of the preceding claims, characterized in that it is made of corrugated cardboard, with a thickness of between about 2 mm and about 5 mm. 6. Emballage selon l'une quelconque des revendications précédentes, caractérisé en ce que, au moins au voisinage de son fond, il présente une section rectangulaire à coins coupés.6. Packaging according to any one of the preceding claims, characterized in that, at least in the vicinity of its bottom, it has a rectangular section with cut corners. 7. Emballage selon l'une quelconque des revendications 1 à 5, caractérisé en ce que, au moins au voisinage de son fond, il présente une section rectangulaire à coins arrondis.7. Packaging according to any one of claims 1 to 5, characterized in that, at least in the vicinity of its bottom, it has a rectangular section with rounded corners. 8. Flan de matière en feuille, en carton ou carton ondulé, pour la réalisation d'un emballage de forme au moins approximativement parallélépipédique, ledit flan comportant : - une suite d'au moins quatre volets rectangulaires ou sensiblement rectangulaires (1 à 4), deux à deux identiques, reliés les uns aux autres par des premières lignes de pliage parallèles, deux volets non consécutifs (1 et 3) ayant une hauteur (H), perpendiculairement auxdites deuxièmes lignes de pliage, supérieure à la hauteur (h) des deux autres volets non consécutifs (2 et 4) ; - un premier ensemble de rabats latéraux (10.1 à 10.4) disposés d'un côté de ladite suite de volets, reliés à celle-ci par des deuxièmes lignes de pliage perpendiculaires auxdites premières lignes de pliage et destinés à former le fond dudit emballage, et un second ensemble de rabats latéraux (12.1, 12.3), destinés à former le couvercle dudit emballage, reliés aux volets les plus hauts par des troisièmes lignes de pliage (13.1,13.3), orthogonales auxdites premières lignes de pliage ;
caractérisé en ce que : - la largeur (x) des parties desdits volets les plus hauts (1 et 3) qui font saillie par rapport auxdits volets les moins hauts (2 et4) est inférieure à la distance (X) séparant lesdites parties saillantes ; - ledit premier ensemble de rabats latéraux comporte deux petits rabats (10.2 et 10.4), respectivement solidaires desdits volets les moins hauts sur toute la longueur desdites deuxièmes lignes de pliage (2 et 4) et deux grands rabats (10.1 et 10.3), respectivement solidaires desdits volets les plus hauts sur toute la longueur desdites deuxièmes lignes de pliage (1 et 3), les bords latéraux des rabats dudit premier ensemble étant libres, respectivement, par rapport aux bords latéraux des rabats adjacents situés en vis-à-vis. 8. Blank of material in sheet form, in cardboard or corrugated cardboard, for producing a packaging of at least approximately parallelepiped shape, said blank comprising: - a series of at least four rectangular or substantially rectangular flaps (1 to 4), two by two identical, connected to each other by first parallel fold lines, two non-consecutive flaps (1 and 3) having a height ( H), perpendicular to said second fold lines, greater than the height (h) of the two other non-consecutive flaps (2 and 4); a first set of lateral flaps (10.1 to 10.4) arranged on one side of said series of flaps, connected to the latter by second fold lines perpendicular to said first fold lines and intended to form the bottom of said package, and a second set of side flaps (12.1, 12.3), intended to form the cover of said package, connected to the highest flaps by third fold lines (13.1,13.3), orthogonal to said first fold lines;
characterized in that: - The width (x) of the parts of said highest flaps (1 and 3) which project with respect to said least high flaps (2 and 4) is less than the distance (X) separating said projecting parts; - Said first set of lateral flaps comprises two small flaps (10.2 and 10.4), respectively integral with said lowest flaps over the entire length of said second fold lines (2 and 4) and two large flaps (10.1 and 10.3), respectively integral of said highest flaps over the entire length of said second fold lines (1 and 3), the lateral edges of the flaps of said first assembly being free, respectively, relative to the lateral edges of adjacent flaps located opposite. 9. Flan selon la revendication 8, caractérisé en ce que la largeur(d) desdits petits rabats (10.2,10.4) dudit premier ensemble, perpendiculairement auxdites deuxièmes lignes de pliage correspondantes, est inférieure à celle (D) desdits grands rabats dudit premier ensemble.9. Blank according to claim 8, characterized in that the width (d) of said small flaps (10.2,10.4) of said first set, perpendicular to said second corresponding fold lines, is less than that (D) of said large flaps of said first set . 10. Flan selon l'une quelconque des revendications 8 et 9, caractérisé en ce qu'il est en carton ondulé d'épaisseur comprise entre de l'ordre de 2 mm et de l'ordre de 5 mm.10. A blank according to any one of claims 8 and 9, characterized in that it is made of corrugated cardboard with a thickness of between about 2 mm and about 5 mm. 11. Flan selon l'une quelconque des revendications 8 à 10, caractérisé en ce que, au moins au voisinage desdites deuxièmes lignes de pliage, la largeur (L) desdits volets les plus hauts (1 et 3) est plus grande que la largeur (I) desdits volets les moins hauts (2 et 4).11. Blank according to any one of claims 8 to 10, characterized in that, at least in the vicinity of said second fold lines, the width (L) of said highest flaps (1 and 3) is greater than the width (I) of said lower flaps (2 and 4). 12. Flan selon l'une quelconque des revendications 8 à 11, caractérisé en ce que les extrémités latérales desdits grands rabats dudit premier ensemble comportent des échancrures (20) dans les bords libres de ceux-ci.12. Blank according to any one of claims 8 to 11, characterized in that the lateral ends of said large flaps of said first set comprise notches (20) in the free edges thereof. 13. Flan selon la revendication 12, caractérisé en ce que la profondeur (p) desdites échancrures (20), parallèlement auxdits bords libres desdits grands rabats dudit premier ensemble, est au plus égale à ladite largeur (d) desdits petits rabats dudit premier ensemble.13. A blank according to claim 12, characterized in that the depth (p) of said notches (20), parallel to said free edges of said large flaps of said first set, is at most equal to said width (d) of said small flaps of said first set . 14. Flan selon l'une des revendications 8 à 13, destiné à former un emballage à coins coupés ou arrondis, caractérisé en ce que la suite de volets comporte des volets étroits supplémentaires (30, 40) ne portant pas de rabats à leurs extrémités et en ce qu'au moins certains desdits rabats présentent, au voisinage de la ligne de pliage les reliant au volet correspondant, la forme (31,42) de la section de l'emballage obtenu à partir dudit flan.14. Blank according to one of claims 8 to 13, intended to form a package with cut or rounded corners, characterized in that the series of flaps comprises additional narrow flaps (30, 40) not carrying flaps at their ends and in that at least some of said flaps have, in the vicinity of the fold line connecting them to the corresponding flap, the shape (31,42) of the section of the packaging obtained from said blank. 15. Procédé pour la découpe de flans identiques selon l'une des revendications 8 à 14, dans une feuille ou une bande de carton ondulé, caractérisé en ce que deux flans découpés successivement sont tournés de 180° dans leur plan l'un par rapport à l'autre, les parties saillantes des volets les plus hauts de l'un desdits flans étant imbriquées avec les parties saillantes des volets les plus hauts de l'autre desdits flans, et en ce que des espaces entre les bords libres latéraux des volets les plus hauts de deux flans consécutifs en opposition sont découpés et éjectés de façon à ce que les bords extérieurs latéraux les plus extrêmes des deux flans consécutifs en opposition soient alignés.15. Method for cutting identical blanks according to one of claims 8 to 14, in a sheet or strip of corrugated cardboard, characterized in that two successively cut blanks are rotated 180 ° in their plane relative to one another. to the other, the projecting parts of the highest flaps of one of said blanks being nested with the projecting parts of the highest flaps of the other of said blanks, and in that spaces between the free lateral edges of the flaps the tallest of two consecutive blanks in opposition are cut and ejected so that the most extreme lateral outer edges of the two consecutive blanks in opposition are aligned. 16. Procédé pour la découpe de flans identiques selon la revendication 15, caractérisé en ce que deux flans découpés successivement sont tournés dans leur plan de 180° l'un par rapport à l'autre, les petits rabats (10.2,10.4) et les grands rabats (10.1,10.3) dudit premier ensemble d'un des flans se trouvant respectivement en regards des grands rabats et des petits rabats dudit premier ensemble de l'autre desdits flans, les petits et les grands rabats propres à former le fond étant jointifs sur tout le long des bords libres des petits rabats opposés aux deuxièmes lignes de pliage.16. Method for cutting identical blanks according to claim 15, characterized in that two successively cut blanks are rotated in their plane by 180 ° relative to each other, the small flaps (10.2,10.4) and the large flaps (10.1,10.3) of said first set of one of the blanks located respectively opposite the large flaps and small flaps of said first set of the other of said blanks, the small and large flaps suitable for forming the bottom being joined all along the free edges of the small flaps opposite the second fold lines. 17. Procédé pour la découpe de flans identiques selon la revendication 15, caractérisé en ce qu'on découpe les flans, les premières lignes de pliage étant parallèles aux lignes d'ondulation du carton ondulé.17. A method for cutting identical blanks according to claim 15, characterized in that the blanks are cut, the first fold lines being parallel to the corrugation lines of the corrugated cardboard.
EP93401071A 1992-04-24 1993-04-23 Polygonal package made from sheet material and blank for making such package Expired - Lifetime EP0567413B1 (en)

Applications Claiming Priority (2)

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FR9205069 1992-04-24
FR9205069A FR2690415B1 (en) 1992-04-24 1992-04-24 PACKAGING WITH POLYGONAL SECTION OF SHEET AND BLANK MATERIAL FOR THE PRODUCTION OF SUCH A PACKAGING.

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EP0567413A1 true EP0567413A1 (en) 1993-10-27
EP0567413B1 EP0567413B1 (en) 1996-08-21

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Also Published As

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DK0567413T3 (en) 1996-12-09
DE69304122T2 (en) 1997-01-23
US5381948A (en) 1995-01-17
DE69304122D1 (en) 1996-09-26
FR2690415B1 (en) 1996-02-02
ES2091567T3 (en) 1996-11-01
ATE141567T1 (en) 1996-09-15
EP0567413B1 (en) 1996-08-21
FR2690415A1 (en) 1993-10-29

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