EP0746506A1 - Box or lid made of a rigid sheet material, blank, and method for making same - Google Patents

Box or lid made of a rigid sheet material, blank, and method for making same

Info

Publication number
EP0746506A1
EP0746506A1 EP95943292A EP95943292A EP0746506A1 EP 0746506 A1 EP0746506 A1 EP 0746506A1 EP 95943292 A EP95943292 A EP 95943292A EP 95943292 A EP95943292 A EP 95943292A EP 0746506 A1 EP0746506 A1 EP 0746506A1
Authority
EP
European Patent Office
Prior art keywords
flaps
cover
zones
handle
box
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
EP95943292A
Other languages
German (de)
French (fr)
Other versions
EP0746506B1 (en
Inventor
Stéphane Frerot
Jean-Claude Moreau
Gérard Mathieu
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 EP0746506A1 publication Critical patent/EP0746506A1/en
Application granted granted Critical
Publication of EP0746506B1 publication Critical patent/EP0746506B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—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
    • B65D5/46192—Handles integral with the container formed by incisions in the container or blank forming straps used as handles
    • 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
    • Y10S493/00—Manufacturing container or tube from paper; or other manufacturing from a sheet or web
    • Y10S493/901—Rigid container
    • Y10S493/909—Rigid container having handle or suspension means

Definitions

  • the present invention relates to a crate or a crate lid of sheet material such as flat cardboard, corrugated cardboard or an equivalent material, relatively rigid, comprising at least four rectangular side walls connected to each other by joining lines. parallel and a set of upper flaps intended to form the upper face of the cover and connects to said side walls by fold lines 15 orthogonal to the junction lines, namely two so-called inner flaps and two so-called outer flaps, each inner flap being integral with 'a side wall located between two side walls respectively provided with outer flap. It also relates to a blank for the constitution of such a case or of such a cover, and to a method of manufacturing such a case or of such a cover with a handle.
  • the strip is reinforced for example by cables, or by a strip incorporated into the cardboard during its manufacture.
  • the present invention aims to provide a crate or a crate lid, blanks and a method of manufacturing a crate or a crate lid with handle that better meets those previously known to the requirements of practice, in particular that it offers a simple handle, pleasant to hold, resistant, inexpensive, authorizing the stacking of the boxes during their palletization and allowing the transport by a user of a box which can contain a relatively heavy product and voluir.ineux, with one hand .
  • the invention proposes in particular a box or a cover of cardboard sheet material comprising at least four rectangular side walls connected to each other by parallel junction lines and a set of upper flaps intended to form the cover and connected to said side walls by fold lines orthogonal to the joining lines, namely two so-called inner flaps and two so-called outer flaps, each inner flap being integral with a side wall situated between two side walls respectively provided with outer flap, characterized in that that said box or said cover has two push-in corner zones, situated respectively on either side of the box or of the cover, straddling the fold lines corresponding to two opposite walls, and in that it comprises an elongated handle comprising a lower strip of sheet material formed at least in part by a detachable part belonging to at least one of said outer flaps and an upper reinforcing strip, integral with said lower strip and the ends of which are fixed on each side on said opposite side walls, below the zones relative to the upper face of the cover, the handle encompassing or extending opposite said zones so that, when the handle is pulled substantially per
  • the upper face of the cover is perpendicular to the side walls;
  • the push-in zones comprise a lower part cut out from the corresponding side wall, and extending downwards over a determined distance d from the fold line and a hollowed-out or frangible upper part extending in the upper face of the cover;
  • the upper part of the zone is formed by a recess in an internal lateral flap over a determined distance d__ from the fold line; the upper part of the area is cut laterally to the right or substantially to the right of the upper and lower bands in an inner flap, is connected on one side to the fold line, and on the other side, opposite to the fold line , at the outer edge of said flap by a first end groove and comprises a second intermediate groove, parallel to the fold line of said inner flap, said grooves being arranged to facilitate the erasure of said upper part of the zone when the handle is pulled; the push-in zones are located in the extension of a line parallel or coincident with the junction line between the opposite outer flaps, the lower strip of the handle being constituted by a detachable peripheral edge of one of said outer flaps; - The peripheral edges of the outer flaps partially overlap over a width at least equal to that of the handle; the push-in zones are located in the extension of a parallel line or merged with the opposite edges of the interior flaps, the lower
  • the invention also proposes a blank of material made of corrugated cardboard sheet or the like, for the production of a cover or a box, said blank comprising: a series of rectangular flaps connected to each other by first fold lines parallel to each other; and a set of upper flaps arranged on one side of said series of flaps, connected thereto by second perpendicular fold lines to said first fold lines and intended to form the upper face of said box or of said cover, said set of upper flaps comprising internal flaps to form at least partially the internal part of said upper face and external flaps to form the external part of said upper face, characterized in that it comprises at least two frangible zones or at least partially hollowed out, respectively astride and centered laterally on the second fold lines of two nonadjacent flaps called first flaps, intended to form two opposite flaps of the upper face of the box or of the cover, said zones each extending on either side of said second corresponding fold line over determined distances, and in that at least one flap comprises a rectangular tongue or a portion detach
  • the first flaps are the interior flaps, the central part of the detachable tab being constituted by the peripheral edge of one of the exterior flaps, the sum of the widths of said exterior flaps being equal or substantially equal to the width of the cover;
  • the first flaps are the interior flaps, the central part of the detachable tab being constituted by the peripheral edge of one of the exterior flaps, the sum of the widths of said exterior flaps being greater than the width of the cover by a value equal or substantially equal to the width of the handle;
  • the first flaps are the outer flaps, the detachable tongue being constituted by two portions of said identical outer flaps, respectively situated in the extension of the zones, perpendicularly and towards the outside of said flaps with respect to the corresponding second fold lines; -
  • the set of flaps comprising four flaps, the other two flaps of said set, called second flaps, have peripheral edges facing each other having respectively at their lateral end a recess or a frangible part capable of being superimposed at least in part with the so-called upper part of said zones belonging to the first two flaps.
  • the invention also provides a method of manufacturing cases or covers as described above.
  • the invention provides a method of manufacturing a crate or a crate lid with a handle from a blank of the type described above, in which, after forming the body of the crate and filling the latter with the products to be packaged, the inner and outer flaps are closed, then a first end of an upper strip is glued below and on a first frangible zone, then on the end part or parts of the outer flap or flaps intended for form the central part of the lower strip, and finally we glue the other end of the external strip below the other opposite area, so that the elongated handle is movable between a first flat position where it fits the periphery of the body, and a second gripping position, partly spaced from the cover, where it penetrates into said zones.
  • FIG 1 is a perspective view showing a first embodiment of a box according to the invention.
  • FIGS. 1A and 1B show on a large scale and in partial perspective the zones of the box of FIG. 1 in the storage position and in the transport position after traction on the handle.
  • FIGS. 1C and 1D show in section before and after pulling on the handle, another embodiment of the zone according to the invention.
  • Figure 2 shows more generally the body of Figure 1 after traction on the handle.
  • Figures 3 to 4 are perspective views showing a second embodiment of the box according to the invention, before and after pulling on the handle.
  • Figures 5 and 6 are perspective views showing a third embodiment of a box according to the invention, here again before and after traction on the handle.
  • FIGS. 7 to 10 are plan views of blanks according to the invention making it possible to obtain the boxes of FIGS. 1 to 6.
  • FIG. 1 shows a box 1 parallelepipedic with 8 sides, made of double-sided corrugated cardboard, for example 5 mm thick for water bottles, comprising a bottom 2, four main side walls, namely two small walls 3 and two large walls 4, separated from each other by secondary walls 5 forming cut corners.
  • the main and secondary walls are connected to each other by junction or fold lines 6.
  • the box 1 comprises an upper face 7 perpendicular to the walls and, composed of two small interior flaps 8 (in broken lines in FIG. 1) respectively connected the small main side walls 3 by fold lines 9 orthogonal to the junction lines 6 and two large outer flaps 10 and 11 respectively connected to the large side walls 4 by fold lines 12 also orthogonal to the junction lines 6.
  • the box 1 has two insertable or erasable corner zones 13, located on either side of the box, straddling the fold lines 9.
  • the zones 13 are for example formed by a first part 14, called the lower rectangular part, cut in the upper peripheral edge of the wall 3, (it can also be hollowed out in the said edge), extending in the wall downwards for a first determined distance d greater than de l order of 1 cm, for example 5 cm, from the fold line 9, and a second rectangular part 15, called the upper part, entirely cut or hollowed out in the corresponding inner flap 8, extending in said flap on a second determined distance cT greater than about a centimeter, for example also five centimeters, from said fold line 9.
  • the body 1 also comprises an elongated handle 16 comprising a lower rectangular strip 17, made of sheet material formed over most of its length, by a rectangular central part 18 detachable from the flap 10, for example due to a partial precut (in broken lines in FIG. 1), said central part 18 being constituted by the peripheral edge 19 of the flap 10, opposite the fold line 12, and by two end parts 20 formed by the first rectangular parts 14 cut out from the upper peripheral edge of the walls 3, one of the edges of which comes adjacent to the central part 18 at each of its ends and the other edge of which remains integral with the wall 3 by a fold line or junction, possibly preformed by grooving.
  • the handle 16 further comprises an upper reinforcing strip 22, constituted by an adhesive strip for example manufactured by the company 3M, secured by bonding the lower strip 17.
  • an upper reinforcing strip 22 constituted by an adhesive strip for example manufactured by the company 3M, secured by bonding the lower strip 17.
  • the ends 23 of the strip are fixed by gluing on each side to the walls 3, below the zones 13 relative to the fold lines 9, that is to say below the line 21, for example over a height of the order of 1 to 8 cm, for example 4 cm.
  • the distances d and cT are for example arranged so that, when the handle is pulled upwards, the latter forms with the horizontal an angle at the level of said zones comprised between 30 ° and 45 °.
  • the handle 16 then comes into internal abutment on the line 24 parallel to the line 9 and located at the distance d_ * _ from the latter, either directly by the internal face of the central part 18 when the rectangular part 15 is hollowed out, or via said rectangular part 15, forming an abutment cushion, when the latter is entirely cut out from the inner flap 8 (cf. FIG. 1B).
  • FIGS. 1C and 1D Another embodiment of the regions 13 'with a handle 16' formed by a lower strip 17 'and an upper self-adhesive strip 22' is shown in section in FIGS. 1C and 1D.
  • Each zone 13 ' is constituted by a first rectangular part 14 *, terminated in the lower part by a groove 14' a and in the upper part by the fold line 9 ', the distance between the lines 9' and 14'a, moreover parallel, being d, and by a second part 15 ', cut laterally in the internal flap 8', and terminated on one side by the fold line 9 'and on the other side by a groove 15'a, at the junction with the outer part 8'a of said inner flap furthest from the line 9 ', the distance between the line 9' and the grooving 15'a, which are also parallel to each other, being d '.
  • a second intermediate groove 15'b parallel to the groove 15'a is also provided, allowing the easy formation of the fold 25 during the pulling of the handle (see FIG. 1D).
  • FIGS. 3 and 4 show a box 26 according to another embodiment of the invention in which the push-in zones 27 extend around a plane of symmetry 28 orthogonal to the junction line 29 existing between the two large outer flaps 30, which constitute the upper face of the cover, parallel to the peripheral edges of the inner flaps (not shown).
  • the two outer flaps 30 are identical and have peripheral edges 29 which are jutting to obtain a continuous upper face.
  • the lower strip of the handle is formed by two identical portions 31 each belonging to an outer flap, said portions being contiguous at their central ends 32, and connected to the first portions 33 of the zones 27 to the other of their ends, said portions 31 being in the extension of the zones 27.
  • the interior flaps are not very wide, it is not necessary to provide recesses in said interior flaps.
  • Figures 5 and 6 show another embodiment of a box 35 according to the invention, of the type of that of Figure 1, but in which the peripheral edges 36 and 37 of the outer flaps 38 and 39, opposite the lines of folding 4C, overlap over a width equal to that of the handle and over a central length equal to the length of the body minus the width of the recesses 41 (in broken lines in FIG. 5) of the zones 42, in order to allow recessing of the handle during traction.
  • FIGS. 7 to 10 show blanks according to the embodiments of the invention more particularly described here, making it possible to produce the boxes above. To simplify, the same reference numbers are used below to designate identical elements.
  • Figures 7 to 10 show blanks 44, 45, 46, 47 comprising eight flaps, namely, two large flaps 48, and two small flaps 49 interposed and separated respectively by four cut sides 50 devoid of flaps, and connected together by first fold lines 51 parallel, and a tongue 52 for bonding to form crates with cut corners.
  • the large and small flaps are each provided with one side of a lower flap 53 connected by third fold lines 54 perpendicular to the first lines 51, to form the bottom of the box, and comprising on the other side flaps upper 55, to form the upper face of the cover, also connected to their respective flaps by second fold lines 56 perpendicular to said first lines 51.
  • Two nonadjacent upper flaps and two nonadjacent lower flaps, not necessarily connected to the same flaps, are moreover provided with end edges 57 directed obliquely outward from the fold lines, to form a cover and a fon ⁇ octagonal in the embodiments of the invention more particularly described here.
  • the blanks 44 to 47 each further comprise two frangible zones and / or at least partially hollowed out, astride and centered laterally on the second fold lines 56 of two nonadjacent flaps called first flaps 58, 59 or 60, said zones s 'each extending on either side of line 56 on the one hand in the flap 48 o ⁇ 49 corresponding over a distance d, and on the other hand in the first upper flap 58, 59 or 60 corresponding, over a second distance determined of, which can be different or equal to d.
  • Each blank has at least one flap 61, 62 or 60 comprising a tongue 63, 64 or a portion of tongue 65 detachable from said flap, arranged to be in the extension of said zones when the cover is formed.
  • FIG. 7 shows a blank 44, corresponding to the box of FIGS. 1 and 2, in which the first flaps 58 are rectangular, identical and intended to form the interior flaps of the box once formed.
  • the blank comprises zones 66 comprising a so-called lower part 67 belonging to the flap 49, rectangular, of width a_, cut on its lateral edges at 68 and secured by a grooving line 69 with said flap, and a so-called upper part 70, hollowed out , also rectangular, of the same width a, separated from the lower part by the fold line 56, cut at this location.
  • the lower and upper parts are further terminated, for example and in this embodiment, on one side, at line 69 and on the other side, at the outer edge of the upper part, by a portion enlarged trapezoidal flared outward, allowing better training of the handle.
  • the detachable tongue 63 is in turn constituted by a tear-off end strip of the outer flap 61, parallel and located on the other side of said flap relative to the fold line 56, over the entire length of the flap, and has a width a equal or substantially equal, for example a little greater, to the width has zones 66.
  • the tongue 63 is suitable for being in the extension of the opposite zones 66 when the cover is formed.
  • the blank 44 has a second outer flap 71, of width equal to that of the first outer flap minus the width a of the tongue 63.
  • recesses 72 centered on the cover for example in a semi-oval shape, formed on the one hand in the end edge 73 of the flap 71 and on the other hand at the level of the partially precut line 74 of the tongue 63, are provided. They allow easy removal of the handle by the user.
  • the tongue 64 has been provided on the end edge of a flap 62 corresponding to a small flap 49.
  • the flap 62 has a Y shape, the base of which is formed by the fold line 56.
  • FIG. 9 shows a blank corresponding to the box of FIGS. 5 and 6.
  • the second outer flap 75 is the same width as the flap 61 provided with the tongue 63.
  • it has at each lateral end 76, a recess or a frangible rectangular area 77 suitable for superimposing with the upper parts 70 of zones 66 and which is therefore of the same width as the latter.
  • FIG. 10 shows another embodiment of blank 47 according to the invention, corresponding to the box of FIGS. 5 and 6.
  • the first flaps 60 are here rectangular and intended to form the outer flaps of the box once formed.
  • the blank 47 has two zones 78, straddling the lines 56 of the flaps 48, comprising a so-called lower part 79 belonging to the flap 48, rectangular cut out or partially precut on its lateral edges at 80 and secured to one side by a line grooving or pre-folding 81, with the flap and on the other side, via the folding line 56, with an upper part belonging to the flap 60, said upper part being constituted by a first, central, rectangular portion 82 of width a , attached to the fold line, and a second end portion, 83, of greater width a_, for example wider by 1 to 3 mm, said portions 82 and 83 being partially pre-cut on their lateral edges, and therefore detachable by tearing of the flap 60 to which they belong, the second portion ending at the outer edge 84 of the flap 60, parallel and opposite to the fold line 56.
  • the blank also has two identical inner upper flaps 85, comprising half rectangular notches 86 at their lateral ends, arranged to overlap for half with the portions 82 of the zones 78, the external peripheral edges 87 flaps 85 being contiguous when the cover is formed.
  • the box 1 is formed in a known manner, for example around a fixed mandrel as described in document EP 334,707, from the blank of FIG. 7. Once the box has been formed, it is ejected, the internal and external flaps being open to the outside, then filled with the products provided by the top of the box, for example with water bottles. The flaps 58 are then closed to form the interior flaps 8 of the box, the flaps 61 and 71
  • the ends 87 of the strip 63 are then and moreover structurally located opposite the recesses 70 of the zones 66.
  • first zone 66 for example over 2 to 5 cm
  • frangible part 67 of said zone it is first fixed below a first zone 66, for example over 2 to 5 cm, then on the frangible part 67 of said zone, then after passage of the fold line 56 on the pull-out strip or strip 63, then on the frangible part 67 of the other zone 66 opposite, and finally below said other zone, for example over the same distance of 2 to 5 cm.
  • the present invention is not limited to the embodiments more particularly described. On the contrary, it embraces all the variants and in particular those where: the box has only four walls, the edges of the interior flaps are not contiguous, in particular in the case of the embodiment corresponding to FIGS. 5 and 6, it is only a cover, that is to say that there are no lower flaps to form a bottom.

Abstract

PCT No. PCT/FR95/01756 Sec. 371 Date Aug. 26, 1996 Sec. 102(e) Date Aug. 26, 1996 PCT Filed Dec. 29, 1995 PCT Pub. No. WO96/20874 PCT Pub. Date Jul. 11, 1996The invention pertains to a carton, a blank and a process for manufacturing a carton of sheet material. The carton includes a cover formed by inner and outer flaps, and two sinkable corner regions situated respectively on either side of the carton or of the cover, straddling the fold lines corresponding to two walls and two opposing flaps. It includes an elongate handle comprising a lower band made of a sheet material formed at least in part by a detachable part belonging to at least one outer flap and a reinforcing upper band secured to the lower band having ends fixed on each side to opposing lateral walls, underneath the sinkable corner regions with respect to the upper face of the cover. The handle encompasses or extends opposite the sinkable corner regions so that, when the handle is pulled substantially perpendicularly to the upper face of the cover, handle portions situated opposite the sinkable corner regions sink into the regions.

Description

CAISSE OU COUVERCLE DE MATIERE EN FEUILLE RGIGIDE, FLAN ET PROCEDE POUR LEUR FABRICATIONBOX OR LID OF RGIGID SHEET MATERIAL, BLANK, AND METHOD FOR THE PRODUCTION THEREOF
La présente invention concerne une caisse ou un couvercle de caisse de matière en feuille telle que du carton plat, du carton ondulé ou un matériau équivalent, relativement rigide, comportant au moins 10 quatre parois latérales rectangulaires reliées les unes aux autres par des lignes de jonction parallèles et un ensemble de rabats supérieurs destiné a former la face supérieure du couvercle et relie auxdites parois latérales par des lignes de pliage 15 orthogonales aux lignes de jonction, a savoir deux rabats dits intérieurs et deux rabats dits extérieurs, chaque rabat intérieur étant solidaire d'une paroi latérale située entre deux parois latérales respectivement munies de rabat extérieur. 20 Elle concerne également un flan pour la constitution d'une telle caisse ou d'un tel couvercle, et un procédé de fabrication d'une telle caisse ou d'un tel couvercle avec poignée.The present invention relates to a crate or a crate lid of sheet material such as flat cardboard, corrugated cardboard or an equivalent material, relatively rigid, comprising at least four rectangular side walls connected to each other by joining lines. parallel and a set of upper flaps intended to form the upper face of the cover and connects to said side walls by fold lines 15 orthogonal to the junction lines, namely two so-called inner flaps and two so-called outer flaps, each inner flap being integral with 'a side wall located between two side walls respectively provided with outer flap. It also relates to a blank for the constitution of such a case or of such a cover, and to a method of manufacturing such a case or of such a cover with a handle.
Elle trouve une application particulièrement 25 importante bien que non exclusive dans le domaine des caisses parallelepipédiques ou plus généralement de section horizontale polygonale, en carton ondule double face, destinées à contenir des produits assez lourds pouvant atteindre plusieurs kilogrammes, comme 30 des bouteilles d'eau par exemple, et comportant une face supérieure perpendiculaire aux faces latérales de la caisse, formant donc un couvercle a angle droit avec ces dernières.It finds a particularly important, although not exclusive, application in the field of parallelepipedic boxes or more generally of polygonal horizontal section, in double-sided corrugated cardboard, intended to contain fairly heavy products which can weigh several kilograms, such as water bottles. for example, and having an upper face perpendicular to the lateral faces of the body, thus forming a cover at right angles to the latter.
On connaît déjà des systèmes de poignéesWe already know handle systems
35 rapportées par exemple en matière plastique ou métallique que l'on accroche sur un câble, une ficelle ou une bande qui entoure alors complètement la caisse.35 reported for example in plastic or metallic material which is hung on a cable, a string or a strip which then completely surrounds the body.
Ces systèmes sont cependant compliques a mettre en 40 oeuvre et empêchent la palettisation des caisses. Celles-ci ne sont en effet plus superposables compte tenu des saillies présentées par les poignées et/ou ficelles entourant les caisses.These systems are however complicated to implement and prevent the palletization of the boxes. These are no longer superimposable given the projections presented by the handles and / or strings surrounding the boxes.
On connaît également (GB-A-2.206.564) des boîtes en carton comprenant une face supérieure plane, d'une seule pièce, dans laquelle est découpée une bande servant de poignée ou d'anse de préhension.Also known (GB-A-2,206,564) are cardboard boxes comprising a flat upper face, in one piece, from which is cut a strip serving as a handle or a grip.
La bande est renforcée par exemple par des câbles, ou par une bande incorporée au carton lors de sa fabrication.The strip is reinforced for example by cables, or by a strip incorporated into the cardboard during its manufacture.
Une telle solution présente ici encore des inconvénients, notamment de fabrication.Again, such a solution has drawbacks, especially in manufacturing.
La présente invention vise à fournir une caisse ou un couvercle de caisse, des flans et un procède αe fabrication d'une caisse ou d'un couvercle de caisse avec poignée répondant mieux que ceux antérieurement connus aux exigences de la pratique notamment en ce qu'elle propose une poignée simple, agréable a tenir, résistante, peu coûteuse, autorisant le gerbaσe des caisses lors de leur palettisation et permettant le transport par un utilisateur d'une caisse pouvant contenir un produit relativement lourd et voluir.ineux, avec une seule main.The present invention aims to provide a crate or a crate lid, blanks and a method of manufacturing a crate or a crate lid with handle that better meets those previously known to the requirements of practice, in particular that it offers a simple handle, pleasant to hold, resistant, inexpensive, authorizing the stacking of the boxes during their palletization and allowing the transport by a user of a box which can contain a relatively heavy product and voluir.ineux, with one hand .
Dans ce but l'invention propose notamment une caisse ou un couvercle de matière en feuille de carton comportant au moins quatre parois latérales rectangulaires reliées les unes aux autres par des lignes de jonction parallèles et un ensemble de rabats supérieurs destiné à former le couvercle et relié auxdites parois latérales par des lignes de pliage orthogonales aux lignes de jonction, à savoir deux rabats dits intérieurs et deux rabats dits extérieurs, chaque rabat intérieur étant solidaire d'une paroi latérale située entre deux parois latérales respectivement munies de rabat extérieur, caractérisée en ce que ladite caisse ou ledit couvercle comporte deux zones en coin enfoncables, situées respectivement de part et d'autre de la caisse ou du couvercle, à cheval sur les lignes de pliage correspondant a deux parois opposées, et en ce que elle comporte une poignée allongée comprenant une bande inférieure en matière en feuille formée au moins en partie par une partie détachable appartenant à au moins un desdits rabats extérieurs et une bande supérieure de renforcement, solidaire de ladite bande inférieure et dont les extrémités sont fixées de chaque coté sur lesdites parois latérales opposées, en dessous des zones par rapport à la face supérieure du couvercle, la poignée englobant ou s'étendant en regard desdites zones de sorte que, lorsqu'on tire sur la poignée sensiblement perpendiculairement à la face supérieure du couvercle, les éléments de poignée situés en regard desdites zones s'enfoncent au moins en partie dans la caisse en écrasant et/ou en pénétrant lesdites zones. Dans des modes de réalisation avantageux, on a de plus recours à l'une et/ou à l'autre des dispositions suivantes : la bande supérieure est fixée sur la bande inférieure et sur les parois latérales par collage;For this purpose, the invention proposes in particular a box or a cover of cardboard sheet material comprising at least four rectangular side walls connected to each other by parallel junction lines and a set of upper flaps intended to form the cover and connected to said side walls by fold lines orthogonal to the joining lines, namely two so-called inner flaps and two so-called outer flaps, each inner flap being integral with a side wall situated between two side walls respectively provided with outer flap, characterized in that that said box or said cover has two push-in corner zones, situated respectively on either side of the box or of the cover, straddling the fold lines corresponding to two opposite walls, and in that it comprises an elongated handle comprising a lower strip of sheet material formed at least in part by a detachable part belonging to at least one of said outer flaps and an upper reinforcing strip, integral with said lower strip and the ends of which are fixed on each side on said opposite side walls, below the zones relative to the upper face of the cover, the handle encompassing or extending opposite said zones so that, when the handle is pulled substantially perpendicular to the face upper part of the cover, the handle elements situated opposite said zones sink at least partially into the body by crushing and / or penetrating said zones. In advantageous embodiments, recourse is had to one and / or the other of the following arrangements: the upper strip is fixed to the lower strip and to the side walls by gluing;
- la face supérieure du couvercle est perpendiculaire aux parois latérales; les zones enfonçablent comprennent une partie inférieure découpée dans la parois latérale correspondante, et s'étendant vers le bas sur une distance déterminée d à partir de la ligne αe pliage et une partie supérieure évidée ou frangible s'étendant dans la face supérieure du couvercle ;- The upper face of the cover is perpendicular to the side walls; the push-in zones comprise a lower part cut out from the corresponding side wall, and extending downwards over a determined distance d from the fold line and a hollowed-out or frangible upper part extending in the upper face of the cover;
- la partie supérieure de la zone est formée par un évidement dans un rabat latéral intérieur sur une distance déterminée d__ à partir de la ligne de pliage ; la partie supérieure de la zone est découpée latéralement au droit ou sensiblement au droit des bandes supérieure et inférieure dans un rabat intérieur, est reliée d'un coté à la ligne de pliage, et de l'autre coté, opposé à la ligne de pliage, au bord externe dudit rabat par un premier rainurage d'extrémité et comprend un deuxième rainurage intermédiaire, parallèle à la ligne de pliage dudit rabat intérieur, lesdits rainurages étant agencés pour faciliter l'effacement de ladite partie supérieure de la zone lors de la traction sur la poignée ; les zones enfonçables sont situées dans le prolongement d'une ligne parallèle ou confondue avec la ligne de jonction entre les rabats extérieurs opposés, la bande inférieure de la poignée étant constituée par un bord périphérique détachable d'un desdits rabats extérieurs; - les bords périphériques des rabats extérieurs se chevauchent en partie sur une largeur au moins égale à celle de la poignée; les zones enfonçables sont situées dans le prolongement d'une ligne parallèle ou confondue avec les bords en vis à vis des rabats intérieurs, la bande inférieure de la poignée comprenant deux portions centrales, en vis à vis, identiques, de matière en feuille, chaque portion appartenant respectivement à un rabat extérieur, lesdites portions étant situées dans le prolongement desdites zones, symétriquement par rapport à la ligne ou l'espace de séparation entre lesdits rabats extérieurs; la face supérieure du couvercle de la caisse présente une portion centrale ouverte ou frangible répartie autour de la poignée, permettant la préhension plus aisée de ladite poignée par un utilisateur; - les zones sont agencées pour permettre à la poignée allongée de prendre appui sur les produits disposes a l'intérieur de la caisse.- The upper part of the zone is formed by a recess in an internal lateral flap over a determined distance d__ from the fold line; the upper part of the area is cut laterally to the right or substantially to the right of the upper and lower bands in an inner flap, is connected on one side to the fold line, and on the other side, opposite to the fold line , at the outer edge of said flap by a first end groove and comprises a second intermediate groove, parallel to the fold line of said inner flap, said grooves being arranged to facilitate the erasure of said upper part of the zone when the handle is pulled; the push-in zones are located in the extension of a line parallel or coincident with the junction line between the opposite outer flaps, the lower strip of the handle being constituted by a detachable peripheral edge of one of said outer flaps; - The peripheral edges of the outer flaps partially overlap over a width at least equal to that of the handle; the push-in zones are located in the extension of a parallel line or merged with the opposite edges of the interior flaps, the lower strip of the handle comprising two identical, opposite, central portions of sheet material, each portion belonging respectively to an outer flap, said portions being located in the extension of said zones, symmetrically with respect to the line or the space of separation between said outer flaps; the upper face of the cover of the box has an open or frangible central portion distributed around the handle, allowing easier grip of said handle by a user; - The zones are arranged to allow the elongated handle to rest on the products placed inside the box.
L'invention propose également un flan de matière en feuille de carton ondulé ou analogue, pour la réalisation d'un couvercle ou d'une caisse, ledit flan comportant : une suite de volets rectangulaires relies les uns aux autres par des premières lignes de pliage parallèles entre elles ; et un ensemble de rabats supérieurs 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 la face supérieure de ladite caisse ou dudit couvercle, ledit ensemble de rabats supérieurs comportant des rabats intérieurs pour former au moins en partie la partie intérieure de ladite face supérieure et des rabats extérieurs pour former la partie extérieure de ladite face supérieure , caractérisé en ce que il comporte aux moins deux zones frangibles ou au moins en partie évidées, respectivement à cheval et centrées latéralement sur les deuxièmes lignes de pliage de deux rabats non adjacents dits premiers rabats, destinés à former deux rabats opposés de la face supérieure de la caisse ou du couvercle, lesdites zones s'étendant chacune de part et d'autre de ladite deuxième ligne de pliage correspondante sur des distances déterminées, et en ce que au moins un rabat comporte une languette rectangulaire ou une portion de languette rectangulaire détachable dudit rabat, agencée pour être dans le prolongement desdites zones lorsque le couvercle est formé.The invention also proposes a blank of material made of corrugated cardboard sheet or the like, for the production of a cover or a box, said blank comprising: a series of rectangular flaps connected to each other by first fold lines parallel to each other; and a set of upper flaps arranged on one side of said series of flaps, connected thereto by second perpendicular fold lines to said first fold lines and intended to form the upper face of said box or of said cover, said set of upper flaps comprising internal flaps to form at least partially the internal part of said upper face and external flaps to form the external part of said upper face, characterized in that it comprises at least two frangible zones or at least partially hollowed out, respectively astride and centered laterally on the second fold lines of two nonadjacent flaps called first flaps, intended to form two opposite flaps of the upper face of the box or of the cover, said zones each extending on either side of said second corresponding fold line over determined distances, and in that at least one flap comprises a rectangular tongue or a portion detachable rectangular tab of said flap, arranged to be in the extension ment of said zones when the cover is formed.
Dans des modes de réalisation avantageux, on a de plus recours à l'une et/ou à l'autre des dispositions suivantes :In advantageous embodiments, use is made of one and / or the other of the following arrangements:
- les premiers rabats sont les rabats intérieurs, la partie centrale de la languette détachable étant constituée par le bord périphérique d'un des rabats extérieurs, la somme des largeurs desdits rabats extérieurs étant égale ou sensiblement égale à la largeur du couvercle;- The first flaps are the interior flaps, the central part of the detachable tab being constituted by the peripheral edge of one of the exterior flaps, the sum of the widths of said exterior flaps being equal or substantially equal to the width of the cover;
- les premiers rabats sont les rabats intérieurs, la partie centrale de la languette détachable étant constituée par le bord périphérique d'un des rabats extérieurs, la somme des largeurs desdits rabats extérieurs étant supérieure à la largeur du couvercle d'une valeur égale ou sensiblement égale à la largeur de la poignée;- The first flaps are the interior flaps, the central part of the detachable tab being constituted by the peripheral edge of one of the exterior flaps, the sum of the widths of said exterior flaps being greater than the width of the cover by a value equal or substantially equal to the width of the handle;
- les premiers rabats sont les rabats extérieurs, la languette détachable étant constituée par deux portions desdits rabats extérieurs identiques, respectivement situées dans le prolongement des zones, perpendiculairement et vers l'extérieur desdits rabats par rapport aux secondes lignes de pliage correspondantes; - l'ensemble de rabats comprenant quatre rabats, les deux autres rabats dudit ensemble, dits seconds rabats, comportent des bords périphériques en vis à vis présentant respectivement à leur extrémité latérale un évidement ou une partie frangible propre à se superposer au moins en partie avec la partie dite supérieure desdites zones appartenant aux deux premiers rabats.the first flaps are the outer flaps, the detachable tongue being constituted by two portions of said identical outer flaps, respectively situated in the extension of the zones, perpendicularly and towards the outside of said flaps with respect to the corresponding second fold lines; - The set of flaps comprising four flaps, the other two flaps of said set, called second flaps, have peripheral edges facing each other having respectively at their lateral end a recess or a frangible part capable of being superimposed at least in part with the so-called upper part of said zones belonging to the first two flaps.
L'invention propose également un procédé de fabrication de caisses ou de couvercles tels que décrits ci-dessus.The invention also provides a method of manufacturing cases or covers as described above.
Avantageusement l'invention propose un procédé de fabrication d'une caisse ou d'un couvercle de caisse à poignée à partir d'un flan du type décrit ci- dessus, dans lequel, après formation du corps de la caisse et remplissage de cette dernière avec les produits à emballer, on referme les rabats intérieurs et extérieurs, puis on colle une première extrémité d'une bande supérieure en dessous et sur une première zone frangible, puis sur la ou les parties d'extrémité du ou des rabats extérieurs destiné à former la partie centrale de la bande inférieure, et enfin on colle l'autre extrémité de la bande externe en dessous de l'autre zone en vis à vis, de sorte que la poignée allongée est mobile entre une première position à plat où elle épouse le pourtour de la caisse, et une seconde position, de préhension, en partie écartée du couvercle, où elle pénètre dans lesdites zones.Advantageously, the invention provides a method of manufacturing a crate or a crate lid with a handle from a blank of the type described above, in which, after forming the body of the crate and filling the latter with the products to be packaged, the inner and outer flaps are closed, then a first end of an upper strip is glued below and on a first frangible zone, then on the end part or parts of the outer flap or flaps intended for form the central part of the lower strip, and finally we glue the other end of the external strip below the other opposite area, so that the elongated handle is movable between a first flat position where it fits the periphery of the body, and a second gripping position, partly spaced from the cover, where it penetrates into said zones.
L'invention sera mieux comprise à la lecture de la description qui suit de modes particuliers de réalisation donnés à titre d'exemple non limitatif.The invention will be better understood on reading the following description of particular embodiments given by way of non-limiting example.
La description se réfère aux dessins qui l'accompagnent dans lesquels :The description refers to the accompanying drawings in which:
La figure 1 est une vue en perspective montrant un premier mode de réalisation d'une caisse selon 1'invention. Les figures 1A et 1B montrent à grande échelle et en perspective partielle les zones de la caisse de la figure 1 en position de stockage et en position de transport après traction sur la poignée. - Les figures 1C et 1D montrent en coupe avant et après traction sur la poignée, un autre mode de réalisation de zone selon l'invention.Figure 1 is a perspective view showing a first embodiment of a box according to the invention. FIGS. 1A and 1B show on a large scale and in partial perspective the zones of the box of FIG. 1 in the storage position and in the transport position after traction on the handle. - Figures 1C and 1D show in section before and after pulling on the handle, another embodiment of the zone according to the invention.
La figure 2 montre plus généralement la caisse de la figure 1 après traction sur la poignée. - Les figures 3 à 4 sont des vues en perspective montrant un deuxième mode de réalisation de la caisse selon l'invention, avant et après traction sur la poignée.Figure 2 shows more generally the body of Figure 1 after traction on the handle. - Figures 3 to 4 are perspective views showing a second embodiment of the box according to the invention, before and after pulling on the handle.
Les figures 5 et 6 sont des vues en perspective montrant un troisième mode de réalisation d'une caisse selon l'invention, ici encore avant et après traction sur la poignée.Figures 5 and 6 are perspective views showing a third embodiment of a box according to the invention, here again before and after traction on the handle.
Les figures 7 à 10 sont des vues en plan de flans selon l'invention permettant d'obtenir les caisses des figures 1 à 6.FIGS. 7 to 10 are plan views of blanks according to the invention making it possible to obtain the boxes of FIGS. 1 to 6.
La figure 1 montre une caisse 1 parallélépipédique à 8 cotés, en carton ondulé double face, par exemple de 5 mm d'épaisseur pour bouteilles d'eau, comportant un fond 2, quatre parois latérales principales à savoir deux petites parois 3 et deux grandes parois 4, séparées entre elles par des parois secondaires 5 formant coins coupés. Les parois principales et secondaires sont reliées entre elles par des lignes de jonction ou de pliage 6. La caisse 1 comprend une face supérieure 7 perpendiculaire aux parois et, composée de deux petits rabats intérieurs 8 (en trait interrompu sur la figure 1) respectivement reliés aux petites parois latérales principales 3 par des lignes de pliage 9 orthogonales aux lignes de jonction 6 et de deux grands rabats extérieurs 10 et 11 respectivement reliés aux grandes parois latérales 4 par des lignes de pliage 12 également orthogonales aux lignes de jonction 6. La caisse 1 comporte deux zones en coins 13 enfonçables ou effaçables, situées de part et d'autre de la caisse, à cheval sur les lignes de pliage 9. Les zones 13 (voir figures 1A et 1B) sont par exemple formées par une première partie 14, dite partie inférieure, rectangulaire, découpée dans le bord périphérique supérieur de la paroi 3, (elle peut également être évidée dans ledit bord), s'étendant dans la paroi vers le bas sur une première distance déterminée d supérieure à de l'ordre de 1 cm, par exemple de 5 cm, à partir de la ligne de pliage 9, et une deuxième partie rectangulaire 15, dite partie supérieure, entièrement découpée ou évidee dans le rabat intérieur 8 correspondant, s'étendant dans ledit rabat sur une deuxième distance déterminée cT supérieure à de l'ordre du centimètre, par exemple également de cinq centimètres, à partir de ladite ligne de pliage 9.FIG. 1 shows a box 1 parallelepipedic with 8 sides, made of double-sided corrugated cardboard, for example 5 mm thick for water bottles, comprising a bottom 2, four main side walls, namely two small walls 3 and two large walls 4, separated from each other by secondary walls 5 forming cut corners. The main and secondary walls are connected to each other by junction or fold lines 6. The box 1 comprises an upper face 7 perpendicular to the walls and, composed of two small interior flaps 8 (in broken lines in FIG. 1) respectively connected the small main side walls 3 by fold lines 9 orthogonal to the junction lines 6 and two large outer flaps 10 and 11 respectively connected to the large side walls 4 by fold lines 12 also orthogonal to the junction lines 6. The box 1 has two insertable or erasable corner zones 13, located on either side of the box, straddling the fold lines 9. The zones 13 (see FIGS. 1A and 1B) are for example formed by a first part 14, called the lower rectangular part, cut in the upper peripheral edge of the wall 3, (it can also be hollowed out in the said edge), extending in the wall downwards for a first determined distance d greater than de l order of 1 cm, for example 5 cm, from the fold line 9, and a second rectangular part 15, called the upper part, entirely cut or hollowed out in the corresponding inner flap 8, extending in said flap on a second determined distance cT greater than about a centimeter, for example also five centimeters, from said fold line 9.
La caisse 1 (cf. également figure 2) comporte par ailleurs une poignée allongée 16 comprenant une bande inférieure 17 rectangulaire, en matière en feuille formée sur l'essentiel de sa longueur, par une partie centrale 18 rectangulaire détachable du rabat 10, par exemple du fait d'un prédécoupage partiel (en trait interrompu sur la figure 1), ladite partie centrale 18 étant constituée par le bord périphérique 19 du rabat 10, opposé à la ligne de pliage 12, et par deux parties d'extrémité 20 formée par les premières parties rectangulaire 14 découpées dans le bord périphérique supérieur des parois 3, dont l'un des bords vient jouxter la partie centrale 18 à chacune de ses extrémités et dont l'autre bord 21 reste solidaire de la paroi 3 par une ligne de pliage ou de jonction, éventuellement préformée par un rainurage. La poignée 16 comprend de plus une bande supérieure 22 de renforcement, constituée par une bande autocollante par exemple fabriquée par la société 3M, solidaire par collage de la bande inférieure 17. Selon le mode de réalisation de l'invention plus particulièrement décrit ici les extrémités 23 de la bande sont fixées par collage de chaque coté sur les parois 3, en dessous des zones 13 par rapport aux lignes de pliage 9, c'est à dire en dessous de la ligne 21, par exemple sur une hauteur de l'ordre de 1 à 8 cm, par exemple 4 cm.The body 1 (cf. also FIG. 2) also comprises an elongated handle 16 comprising a lower rectangular strip 17, made of sheet material formed over most of its length, by a rectangular central part 18 detachable from the flap 10, for example due to a partial precut (in broken lines in FIG. 1), said central part 18 being constituted by the peripheral edge 19 of the flap 10, opposite the fold line 12, and by two end parts 20 formed by the first rectangular parts 14 cut out from the upper peripheral edge of the walls 3, one of the edges of which comes adjacent to the central part 18 at each of its ends and the other edge of which remains integral with the wall 3 by a fold line or junction, possibly preformed by grooving. The handle 16 further comprises an upper reinforcing strip 22, constituted by an adhesive strip for example manufactured by the company 3M, secured by bonding the lower strip 17. According to the embodiment of the invention more particularly described here the ends 23 of the strip are fixed by gluing on each side to the walls 3, below the zones 13 relative to the fold lines 9, that is to say below the line 21, for example over a height of the order of 1 to 8 cm, for example 4 cm.
Lorsque l'on tire sur la poignée sensiblement perpendiculairement à la face supérieure du couvercle, la poignée 16 enfonce les zones 13, zones dans lesquelles elle vient s'encastrer comme montré sur les figures 1B et 2.When the handle is pulled substantially perpendicularly to the upper face of the cover, the handle 16 pushes in the zones 13, zones in which it is fitted as shown in FIGS. 1B and 2.
Les distances d et cT sont par exemple agencées pour que, lorsque la poignée est tirée vers le haut, celle-ci forme avec l'horizontal un angle au niveau desdites zones compris entre 30° et 45°. La poignée 16 vient alors en butée interne sur la ligne 24 parallèle à la ligne 9 et située à la distance d_*_ de cette dernière, soit directement par la face interne de la partie centrale 18 lorsque la partie rectangulaire 15 est évidée, soit via ladite partie rectangulaire 15, formant coussinet de butée, lorsque celle-ci est découpée entièrement dans le rabat intérieur 8 (cf. figure 1B) .The distances d and cT are for example arranged so that, when the handle is pulled upwards, the latter forms with the horizontal an angle at the level of said zones comprised between 30 ° and 45 °. The handle 16 then comes into internal abutment on the line 24 parallel to the line 9 and located at the distance d_ * _ from the latter, either directly by the internal face of the central part 18 when the rectangular part 15 is hollowed out, or via said rectangular part 15, forming an abutment cushion, when the latter is entirely cut out from the inner flap 8 (cf. FIG. 1B).
On a représenté en coupe sur les figures 1C et 1D un autre mode de réalisation des zones 13' avec poignée 16' formée d'une bande inférieure 17' et d'une bande autocollante supérieure 22'.Another embodiment of the regions 13 'with a handle 16' formed by a lower strip 17 'and an upper self-adhesive strip 22' is shown in section in FIGS. 1C and 1D.
Chaque zone 13' est constituée par une première partie rectangulaire 14*, terminée en partie basse par une rainure 14 'a et en partie haute par la ligne de pliage 9', la distance entre les lignes 9' et 14'a, par ailleurs parallèles, étant d, et par une deuxième partie 15', découpée latéralement dans le rabat interne 8', et terminée d'un coté par la ligne de pliage 9' et de l'autre coté par un rainurage 15'a, de jonction avec la partie externe 8'a dudit rabat interne la plus éloignée de la ligne 9', la distance entre la ligne 9' et le rainurage 15'a, par ailleurs parallèles entre elles, étant d' .Each zone 13 'is constituted by a first rectangular part 14 *, terminated in the lower part by a groove 14' a and in the upper part by the fold line 9 ', the distance between the lines 9' and 14'a, moreover parallel, being d, and by a second part 15 ', cut laterally in the internal flap 8', and terminated on one side by the fold line 9 'and on the other side by a groove 15'a, at the junction with the outer part 8'a of said inner flap furthest from the line 9 ', the distance between the line 9' and the grooving 15'a, which are also parallel to each other, being d '.
Un deuxième rainurage intermédiaire 15'b parallèle au rainurage 15'a est également prévu, permettant la formation aisée du pli 25 lors de la traction de la poignée (voir figure 1D) .A second intermediate groove 15'b parallel to the groove 15'a is also provided, allowing the easy formation of the fold 25 during the pulling of the handle (see FIG. 1D).
On a représenté sur les figures 3 et 4 une caisse 26 selon un autre mode de réalisation de l'invention dans lequel les zones enfonçables 27 s'étendent autour d'un plan de symétrie 28 orthogonal à la ligne de jonction 29 existante entre les deux grands rabats extérieurs 30, qui constituent la face supérieure du couvercle, parallèlement aux bords périphériques des volets intérieurs (non représentés) .FIGS. 3 and 4 show a box 26 according to another embodiment of the invention in which the push-in zones 27 extend around a plane of symmetry 28 orthogonal to the junction line 29 existing between the two large outer flaps 30, which constitute the upper face of the cover, parallel to the peripheral edges of the inner flaps (not shown).
Plus précisément, les deux rabats extérieurs 30 sont identiques et ont des bords périphériques 29 qui sont jomtifs permettant d'obtenir une face supérieure continue. Dans ce mode de réalisation, la bande inférieure de la poignée est formée de deux portions 31 identiques appartenant chacune à un rabat extérieur, lesdites portions étant jointives à leurs extrémités centrales 32, et raccordées aux premières parties 33 des zones 27 à l'autre de leurs extrémités, lesdites portions 31 étant dans le prolongement des zones 27. Dans le cas où les rabats intérieurs ne sont pas de grande largeur, il n'est pas nécessaire de prévoir des évidements dans lesdits rabats intérieurs. Les figures 5 et 6 montrent un autre mode de réalisation d'une caisse 35 selon l'invention, du type de celle de la figure 1, mais dans laquelle les bords périphériques 36 et 37 des rabats externes 38 et 39, opposées aux lignes de pliage 4C, se chevauchent sur une largeur égale à celle de la poignée et sur une longueur centrale égale à la longueur de la caisse diminuée de la largeur des évidements 41 (en trait interrompu sur la figure 5) des zones 42, af n de permettre l'encastrement de la poignée lors de la traction.More specifically, the two outer flaps 30 are identical and have peripheral edges 29 which are jutting to obtain a continuous upper face. In this embodiment, the lower strip of the handle is formed by two identical portions 31 each belonging to an outer flap, said portions being contiguous at their central ends 32, and connected to the first portions 33 of the zones 27 to the other of their ends, said portions 31 being in the extension of the zones 27. In the case where the interior flaps are not very wide, it is not necessary to provide recesses in said interior flaps. Figures 5 and 6 show another embodiment of a box 35 according to the invention, of the type of that of Figure 1, but in which the peripheral edges 36 and 37 of the outer flaps 38 and 39, opposite the lines of folding 4C, overlap over a width equal to that of the handle and over a central length equal to the length of the body minus the width of the recesses 41 (in broken lines in FIG. 5) of the zones 42, in order to allow recessing of the handle during traction.
Une telle disposition permet d'empêcher l'accès à l'intérieur de la caisse.Such an arrangement prevents access to the interior of the box.
On a représenté sur les figures 7 à 10 des flans selon les modes de réalisation de l'invention plus particulièrement décrits ici, permettant de réaliser les caisses ci-dessus. Pour simplifier on utilise ci-après les mêmes numéros de référence pour désigner des éléments identiques.FIGS. 7 to 10 show blanks according to the embodiments of the invention more particularly described here, making it possible to produce the boxes above. To simplify, the same reference numbers are used below to designate identical elements.
Les figures 7 à 10 montrent des flans 44, 45, 46, 47 comprenant huit volets, a savoir, deux grands volets 48, et deux petits volets 49 intercalés et séparés respectivement par quatre pans coupés 50 dénués de rabats, et reliés entre eux par des premières lignes de pliages 51 parallèles, et une languette 52 de collage pour former des caisses à coins coupés.Figures 7 to 10 show blanks 44, 45, 46, 47 comprising eight flaps, namely, two large flaps 48, and two small flaps 49 interposed and separated respectively by four cut sides 50 devoid of flaps, and connected together by first fold lines 51 parallel, and a tongue 52 for bonding to form crates with cut corners.
Les grands et les petits volets sont chacun munis d'un coté d'un rabat inférieur 53 relie par des troisièmes lignes de pliage 54 perpendiculaires aux premières lignes 51, pour former le fond de la caisse, et comportant de l'autre cote des rabats supérieurs 55, pour former la face supérieure du couvercle, également reliés à leurs volets respectifs par des deuxièmes lignes de pliage 56 perpendiculaires auxdites premières lignes 51.The large and small flaps are each provided with one side of a lower flap 53 connected by third fold lines 54 perpendicular to the first lines 51, to form the bottom of the box, and comprising on the other side flaps upper 55, to form the upper face of the cover, also connected to their respective flaps by second fold lines 56 perpendicular to said first lines 51.
Deux rabats supérieurs non adjacents et deux rabats inférieurs non adjacents, pas forcément raccordés aux mêmes volets, sont par ailleurs munis de bords d'extrémité 57 diriges en biais vers l'extérieur a partir des lignes de pliage, pour former un couvercle et un fonα octogonaux dans les modes de réalisation de l'invention plus particulièrement décrits ici.Two nonadjacent upper flaps and two nonadjacent lower flaps, not necessarily connected to the same flaps, are moreover provided with end edges 57 directed obliquely outward from the fold lines, to form a cover and a fonα octagonal in the embodiments of the invention more particularly described here.
Les flans 44 à 47 comprennent par ailleurs chacun deux zones frangibles et/ou au moins en partie évidées, à cheval et centrées latéralement sur les deuxièmes lignes de pliage 56 de deux rabats non adjacents dits premiers rabats 58, 59 ou 60, lesdites zones s'étendant chacune de part et d'autre de la ligne 56 d'une part dans le volet 48 oα 49 correspondant sur une distance d, et d'autre part dans le premier rabat supérieur 58, 59 ou 60 correspondant, sur une deuxième distance déterminée d' , qui peut être différente ou égale à d. Chaque flan comporte au moins un rabat 61, 62 ou 60 comprenant une languette 63, 64 ou une portion de languette 65 détachable dudit rabat, agencée pour être dans le prolongement desdites zones lorsque le couvercle est formé.The blanks 44 to 47 each further comprise two frangible zones and / or at least partially hollowed out, astride and centered laterally on the second fold lines 56 of two nonadjacent flaps called first flaps 58, 59 or 60, said zones s 'each extending on either side of line 56 on the one hand in the flap 48 oα 49 corresponding over a distance d, and on the other hand in the first upper flap 58, 59 or 60 corresponding, over a second distance determined of, which can be different or equal to d. Each blank has at least one flap 61, 62 or 60 comprising a tongue 63, 64 or a portion of tongue 65 detachable from said flap, arranged to be in the extension of said zones when the cover is formed.
Plus précisément la figure 7 montre un flan 44, correspondant à la caisse des figures 1 et 2, dans lequel les premiers rabats 58 sont rectangulaires, identiques et destinés à former les rabats intérieurs de la caisse une fois formée.More precisely, FIG. 7 shows a blank 44, corresponding to the box of FIGS. 1 and 2, in which the first flaps 58 are rectangular, identical and intended to form the interior flaps of the box once formed.
Le flan comporte des zones 66 comprenant une partie dite inférieure 67 appartenant au volet 49, rectangulaire, de largeur a_, découpée sur ses bords latéraux en 68 et solidaire par une ligne de rainurage 69 avec ledit volet, et une partie dite supérieure 70, évidée, également rectangulaire, de même largeur a, séparée de la partie inférieure par la ligne de pliage 56, découpée à cet endroit.The blank comprises zones 66 comprising a so-called lower part 67 belonging to the flap 49, rectangular, of width a_, cut on its lateral edges at 68 and secured by a grooving line 69 with said flap, and a so-called upper part 70, hollowed out , also rectangular, of the same width a, separated from the lower part by the fold line 56, cut at this location.
Les parties inférieures et supérieures sont de plus terminées, par exemple et dans ce mode de réalisation, d'un coté, au niveau de la ligne 69 et de l'autre coté, au niveau du bord externe de la partie supérieure, par une portion élargie trapézoïdale évasée vers l'extérieur, permettant une meilleure formation de la poignée.The lower and upper parts are further terminated, for example and in this embodiment, on one side, at line 69 and on the other side, at the outer edge of the upper part, by a portion enlarged trapezoidal flared outward, allowing better training of the handle.
La languette détachable 63 est quant a elle constituée par une bande d'extrémité arrachable du rabat extérieur 61, parallèle et située de l'autre coté dudit rabat par rapport à la ligne de pliage 56, sur toute la longueur du rabat, et présente une largeur a égale ou sensiblement égale, par exemple un peu supérieure, à la largeur a des zones 66.The detachable tongue 63 is in turn constituted by a tear-off end strip of the outer flap 61, parallel and located on the other side of said flap relative to the fold line 56, over the entire length of the flap, and has a width a equal or substantially equal, for example a little greater, to the width has zones 66.
La languette 63 est propre à être dans le prolongement des zones 66 en vis à vis lorsque le couvercle est formé.The tongue 63 is suitable for being in the extension of the opposite zones 66 when the cover is formed.
Le flan 44 comporte un deuxième rabat extérieur 71, de largeur égale à celle du premier rabat extérieur diminué de la largeur a de la languette 63.The blank 44 has a second outer flap 71, of width equal to that of the first outer flap minus the width a of the tongue 63.
Avantageusement, des évidements 72 centrés sur le couvercle, par exemple en demi-oval, pratiqués d'une part dans le bord d'extrémité 73 du rabat 71 et d'autre part au niveau de la ligne partiellement prédécoupée 74 de la languette 63, sont prévus. Ils permettent un arrachage facile de la poignée par l'utilisateur.Advantageously, recesses 72 centered on the cover, for example in a semi-oval shape, formed on the one hand in the end edge 73 of the flap 71 and on the other hand at the level of the partially precut line 74 of the tongue 63, are provided. They allow easy removal of the handle by the user.
Sur la figure 8, la languette 64 a été prévue sur le bord d'extrémité d'un rabat 62 correspondant à un petit volet 49.In FIG. 8, the tongue 64 has been provided on the end edge of a flap 62 corresponding to a small flap 49.
Le rabat 62 présente une forme de Y dont la base est constituée par la ligne de pliage 56.The flap 62 has a Y shape, the base of which is formed by the fold line 56.
Les zones 66, par exemple identiques à celles de la figure 7, sont par contre situées à cheval sur les lignes de pliage 56 appartenant aux grands volets 48. La figure 9 montre un flan correspondant à la caisse des figures 5 et 6.The zones 66, for example identical to those of FIG. 7, are on the other hand located astride the fold lines 56 belonging to the large flaps 48. FIG. 9 shows a blank corresponding to the box of FIGS. 5 and 6.
Dans ce cas le second rabat extérieur 75 est de même largeur que le volet 61 muni de la languette 63. II comporte par contre a chaque extrémité latérale 76, un évidement ou une zone frangible rectangulaire 77 propre à se superposer avec les parties supérieures 70 des zones 66 et qui est donc de même largeur a que ces dernières. La figure 10 montre un autre mode de réalisation de flan 47 selon l'invention, correspondant à la caisse des figures 5 et 6.In this case, the second outer flap 75 is the same width as the flap 61 provided with the tongue 63. On the other hand, it has at each lateral end 76, a recess or a frangible rectangular area 77 suitable for superimposing with the upper parts 70 of zones 66 and which is therefore of the same width as the latter. FIG. 10 shows another embodiment of blank 47 according to the invention, corresponding to the box of FIGS. 5 and 6.
Les premiers rabats 60 sont ici rectangulaires et destinés à former les rabats extérieurs de la caisse une fois formée.The first flaps 60 are here rectangular and intended to form the outer flaps of the box once formed.
Le flan 47 comporte deux zones 78, a cheval sur les lignes 56 des volets 48, comprenant une partie dite inférieure 79 appartenant au volet 48, rectangulaire découpée ou partiellement prédécoupée sur ses bords latéraux en 80 et solidaire d'un cote, par une ligne de rainurage ou de prépliage 81, avec le volet et de l'autre coté, via la ligne de pliage 56, avec une partie supérieure appartenant au rabat 60, ladite partie supérieure étant constituée par une première portion 82, centrale, rectangulaire de largeur a, rattachée à la ligne de pliage, et une deuxième portion d'extrémité, 83, de largeur supérieure a_, par exemple plus large de 1 à 3 mm, lesdites portions 82 et 83 étant prédécoupées partiellement sur leurs bords latéraux, et donc détachables par arrachement du rabat 60 auquel elles appartiennent, la deuxième portion se terminant au bord externe 84 du rabat 60, parallèle et opposé à la ligne de pliage 56.The blank 47 has two zones 78, straddling the lines 56 of the flaps 48, comprising a so-called lower part 79 belonging to the flap 48, rectangular cut out or partially precut on its lateral edges at 80 and secured to one side by a line grooving or pre-folding 81, with the flap and on the other side, via the folding line 56, with an upper part belonging to the flap 60, said upper part being constituted by a first, central, rectangular portion 82 of width a , attached to the fold line, and a second end portion, 83, of greater width a_, for example wider by 1 to 3 mm, said portions 82 and 83 being partially pre-cut on their lateral edges, and therefore detachable by tearing of the flap 60 to which they belong, the second portion ending at the outer edge 84 of the flap 60, parallel and opposite to the fold line 56.
Lorsque le couvercle est formé, les deux bords 84 en vis à vis sont jointifs.When the cover is formed, the two opposite edges 84 are joined.
Dans le mode de réalisation décrit ici, le flan comporte également deux rabats supérieurs intérieurs 85, identiques, comprenant des demies échancrures rectangulaires 86 à leurs extrémités latérales, agencées pour se superposer pour moitié avec les portions 82 des zones 78, les bords périphériques externes 87 des rabats 85 étant jointifs lorsque le couvercle est formé.In the embodiment described here, the blank also has two identical inner upper flaps 85, comprising half rectangular notches 86 at their lateral ends, arranged to overlap for half with the portions 82 of the zones 78, the external peripheral edges 87 flaps 85 being contiguous when the cover is formed.
On va maintenant décrire la fabrication d'une caisse selon le mode de réalisation de l'invention décrit en référence aux figures 1, 2 et 7.We will now describe the manufacture of a box according to the embodiment of the invention described with reference to FIGS. 1, 2 and 7.
La caisse 1 est formée de façon connue, par exemple autour d'un mandrin fixe comme décrit dans le document EP 334.707, à partir du flan de la figure 7. Une fois la caisse formée, elle est éjectée, les rabats intérieurs et extérieurs étant ouverts vers l'extérieur, puis remplie des produits prévus par le dessus de la caisse, par exemple par des bouteilles d'eau. On referme ensuite les rabats 58 pour former les rabats intérieurs 8 de la caisse, les rabats 61 et 71The box 1 is formed in a known manner, for example around a fixed mandrel as described in document EP 334,707, from the blank of FIG. 7. Once the box has been formed, it is ejected, the internal and external flaps being open to the outside, then filled with the products provided by the top of the box, for example with water bottles. The flaps 58 are then closed to form the interior flaps 8 of the box, the flaps 61 and 71
(10 et 11) étant écartés. Ceux-ci sont ensuite eux mêmes rabattus après encollage des surfaces de contact entre rabats intérieurs et rabats extérieurs, les surfaces éventuellement en contact au niveau de la bande arrachable 63 qui va constituer la bande inférieure de la poignée, n'étant pas, quant à elles et bien entendu, encollées.(10 and 11) being discarded. These are then themselves folded down after gluing of the contact surfaces between inner flaps and outer flaps, the surfaces possibly in contact at the removable strip 63 which will constitute the lower strip of the handle, not being, as for them and of course, glued.
Les extrémités 87 de la bande 63 sont alors et par ailleurs structurellement situées en vis à vis des évidements 70 des zones 66.The ends 87 of the strip 63 are then and moreover structurally located opposite the recesses 70 of the zones 66.
Puis on colle la bande supérieure de même largeur que ladite bande arrachable, par exemple constituée par un adhésif autocollant sur une face de type connu, par enroulement partiel autour du couvercle.Then glue the upper strip of the same width as said tear-off strip, for example constituted by a self-adhesive adhesive on a face of known type, by partial winding around the cover.
On la fixe tout d'abord en dessous d'une première zone 66, par exemple sur 2 à 5 cm, puis sur la partie frangible 67 de ladite zone, puis après passage de la ligne de pliage 56 sur la languette ou bande arrachable 63, puis sur la partie frangible 67 de l'autre zone 66 en vis à vis, et enfin en dessous de ladite autre zone, par exemple sur la même distance de 2 à 5 cm.It is first fixed below a first zone 66, for example over 2 to 5 cm, then on the frangible part 67 of said zone, then after passage of the fold line 56 on the pull-out strip or strip 63, then on the frangible part 67 of the other zone 66 opposite, and finally below said other zone, for example over the same distance of 2 to 5 cm.
Comme on le voit sur les figures, aucune saillie gênante n'est observée, ce qui autorise une parfaite palettisation.As can be seen in the figures, no annoying protrusions are observed, which allows perfect palletization.
Lorsque l'on souhaite se saisir de la caisse, on attrape la bande 63, ce qui est facilité par les espaces 88 (voir figure 1) dus aux évidements 72 prévus autour de la poignée (voir figure 7) . On arrache alors en tirant vers le haut la bande 63, en réalisant de ce fait l'enfoncement des zones frangibles 67 dans la caisse, les parties d'extrémités de la poignée, situées au dessus des fixations sous les zones 66, s'encastrant dans les évidements 70.When one wishes to take hold of the box, one catches the strip 63, which is facilitated by the spaces 88 (see FIG. 1) due to the recesses 72 provided around the handle (see FIG. 7). The strip 63 is then torn off by pulling upwards, thereby making the frangible zones 67 sink into the body, the end portions of the handle, located above the fasteners under the zones 66, fitting in in the recesses 70.
On peut ainsi transporter la caisse d'une seule main comme décrit ci-avant.It is thus possible to transport the body with one hand as described above.
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. Elle en embrasse au contraire toutes les variantes et notamment celles où : la caisse comporte uniquement quatre parois, les bords des rabats intérieurs ne sont pas jointifs, notamment dans le cas du mode de réalisation correspondant aux figures 5 et 6, il s'agit uniquement d'un couvercle, c'est à dire qu'il n'est pas prévu de rabats inférieurs pour constituer un fond. As is obvious and as it follows from the above, the present invention is not limited to the embodiments more particularly described. On the contrary, it embraces all the variants and in particular those where: the box has only four walls, the edges of the interior flaps are not contiguous, in particular in the case of the embodiment corresponding to FIGS. 5 and 6, it is only a cover, that is to say that there are no lower flaps to form a bottom.

Claims

REVENDICATIONS
1. Caisse (1, 27, 35) ou couvercle de matière en feuille de carton comportant au moins quatre parois latérales rectangulaires reliées les unes aux autres par des lignes (6) de jonction parallèles et un ensemble de rabats supérieurs destiné à former la face supérieure (7) du couvercle et relié auxdites parois latérales par des lignes (9, 9', 12) de pliage orthogonales aux lignes de jonction, à savoir deux rabats dits intérieurs (8, 8') et deux rabats dits extérieurs (10, 11, 30, 38, 39), chaque rabat intérieur étant solidaire d'une paroi latérale située entre deux parois latérales respectivement munies de rabat extérieur, caractérisée en ce que ladite caisse ou ledit couvercle comporte deux zones (13, 13', 27, 42, 66, 78) en coin enfonçables, situées respectivement de part et d'autre de la caisse ou du couvercle, à cheval sur les lignes de pliage correspondant à deux parois opposées, et en ce que elle comporte une poignée (16, 16') allongée comprenant une bande inférieure (17, 31) en matière en feuille formée au moins en partie par une partie détachable appartenant a au moins un desditε rabats extérieurs et une bande supérieure (22) de renforcement, solidaire de ladite bande inférieure et dont les extrémités (33) sont fixées de chaque cote sur lesdites parois latérales opposées (3) , en dessous des zones (13, 13', 27, 42) par rapport à la face supérieure du couvercle, la poignée englobant ou s'étendant en regard desdites zones de sorte que, lorsqu'on tire sur la poignée (16, 16') sensiblement perpendiculairement à la face supérieure du couvercle, les éléments de poignée situes en regard desdites zones s'enfoncent dans la caisse en écrasant et/ou en pénétrant lesdites zones.1. Box (1, 27, 35) or cover of cardboard sheet material comprising at least four rectangular side walls connected to each other by parallel connecting lines (6) and a set of upper flaps intended to form the face upper (7) of the cover and connected to said side walls by lines (9, 9 ', 12) of folding orthogonal to the joining lines, namely two so-called inner flaps (8, 8') and two so-called outer flaps (10, 11, 30, 38, 39), each inner flap being integral with a side wall located between two side walls respectively provided with outer flap, characterized in that said box or said cover has two zones (13, 13 ', 27, 42, 66, 78) in push-in corners, located respectively on either side of the box or the cover, straddling the fold lines corresponding to two opposite walls, and in that it comprises a handle (16, 16 ') elongated including a ban lower (17, 31) of sheet material formed at least in part by a detachable part belonging to at least one of the said outer flaps and an upper reinforcing strip (22), integral with said lower strip and whose ends (33) are fixed on each side on said opposite side walls (3), below the zones (13, 13 ', 27, 42) relative to the upper face of the cover, the handle encompassing or extending opposite said zones so that, when the handle (16, 16 ') is pulled substantially perpendicular to the upper face of the cover, the handle elements located opposite said zones sink into the body by crushing and / or penetrating said zones.
2. Caisse selon la revendication 1, caractérisée en ce que la bande supérieure (22) est fixée sur la bande inférieure et sur les parois latérales par collage. 2. Box according to claim 1, characterized in that the upper strip (22) is fixed to the lower strip and to the side walls by gluing.
3. Caisse selon l'une quelconque des revendications précédentes, caractérisée en ce que la face supérieure (7) du couvercle est perpendiculaire aux parois latérales . 53. Box according to any one of the preceding claims, characterized in that the upper face (7) of the cover is perpendicular to the side walls. 5
4. Caisse selon l'une quelconque des revendications précédentes, caractérisée en ce que les zones enfonçables (13, 13', 66) comprennent une partie inférieure (14, 14', 67) découpée dans la parois latérale correspondante, et s'étendant vers le 10 bas sur une distance déterminée d à partir de la ligne de pliage (56) et une partie supérieure (15, 15', 70) evidée ou frangible s'étendant dans la face supérieure du couvercle.4. Box according to any one of the preceding claims, characterized in that the push-in zones (13, 13 ', 66) comprise a lower part (14, 14', 67) cut out from the corresponding side wall, and extending downwards over a determined distance d from the fold line (56) and an upper part (15, 15 ', 70) hollowed out or frangible extending in the upper face of the cover.
5. Caisse selon la revendication 4, caractérisée 15 en ce que la partie supérieure (15) de la zone est formée par un evidement dans un rabat latéral intérieur (8) sur une distance déterminée cT à partir de la ligne de pliage (56) .5. Box according to claim 4, characterized in that the upper part (15) of the zone is formed by a recess in an internal lateral flap (8) over a determined distance cT from the fold line (56) .
6. Caisse selon la revendication 4, caractérisée 20 en ce que la partie supérieure (15') de la zone est découpée latéralement au droit des bandes supérieure et inférieure dans un rabat intérieur (8'), est relie d'un coté à la ligne de pliage 9' et de l'autre cote, oppose à la ligne de pliage, au bord externe dudit6. Box according to claim 4, characterized in that the upper part (15 ') of the zone is cut laterally to the right of the upper and lower strips in an inner flap (8'), is connected on one side to the fold line 9 'and on the other side, opposite the fold line, at the outer edge of said
2^ rabat par un premier rainurage (15'a) d'extrémité et comprend un deuxième rainurage (15'b) intermédiaire, parallèle a la ligne de pliage (9') dudit rabat intérieur, pour faciliter l'effacement de ladite zone lors de la traction sur la poignée .2 ^ flap by a first groove (15'a) at the end and comprises a second groove (15'b) intermediate, parallel to the fold line (9 ') of said inner flap, to facilitate the erasing of said zone during traction on the handle.
".0 7. Caisse selon l'une quelconque αes revendications précédentes, caractérisée en ce que les zones enfonçables (13, 42) sont situées dans le prolongement d'une ligne parallèle ou confondue avec la ligne de jonction entre les rabats extérieurs (10,".0 7. Box according to any one of the preceding claims, characterized in that the push-in zones (13, 42) are situated in the extension of a line parallel or coincident with the line of junction between the outer flaps (10 ,
15 11, 38, 39) opposes, la bande inférieure de l a poignée étant constituée par un bord périphérique (19, 36) détachable d'un desdits rabats extérieurs15 11, 38, 39) opposite, the lower strip of the handle being constituted by a peripheral edge (19, 36) detachable from one of said outer flaps
8. Caisse selon la revendication 7, caractérisée en ce que les bords périphériques (36, 37) des rabats 0 extérieurs se chevauchent en partie sur une largeur au moins égale a celle de la poignée. 8. Box according to claim 7, characterized in that the peripheral edges (36, 37) of the outer flaps 0 overlap in part over a width at least equal to that of the handle.
9. Caisse selon l'une quelconque des revendications 1 à 4, caractérisée en ce que les zones enfonçables (27) sont situées dans le prolongement d'une ligne parallèle ou confondue avec les bords en vis à vis des rabats intérieurs, la bande inférieure de la poignée comprenant deux portions centrales (31) de matière en feuille, chaque portion appartenant respectivement à un rabat extérieur (30) , lesdites portions étant situées dans le prolongement desdites zones.9. Box according to any one of claims 1 to 4, characterized in that the push-in zones (27) are located in the extension of a line parallel or coincident with the opposite edges of the inner flaps, the lower strip of the handle comprising two central portions (31) of sheet material, each portion belonging respectively to an outer flap (30), said portions being located in the extension of said zones.
10. Caisse selon l'une quelconque des revendications précédentes, caractérisée en ce que la face supérieure (7) du couvercle de la caisse présente une portion centrale (88) ouverte ou frangible répartie autour de la poignée, permettant la préhension plus aisée de ladite poignée par un utilisateur10. Box according to any one of the preceding claims, characterized in that the upper face (7) of the box cover has a central portion (88) open or frangible distributed around the handle, allowing easier gripping of said handle by a user
11. Caisse selon l'une quelconque des revendications précédentes, caractérisée en ce que les zones sont agencées pour permettre à la poignée allongée de prendre appui sur les produits disposés à l'intérieur de la caisse.11. Box according to any one of the preceding claims, characterized in that the zones are arranged to allow the elongated handle to bear on the products placed inside the box.
12. Flan (44, 45, 46, 47) de matière en feuille de carton ondulé ou analogue, pour la réalisation d'un couvercle ou d'une caisse de section polygonale, ledit flan comportant : une suite (48, 49, 50) de volets rectangulaires reliés les uns aux autres par des premières lignes (51) de pliage parallèles entre elles ; et - un ensemble de rabats supérieurs (55) disposes d'un côté de ladite suite de volets, reliés à celle- ci par des deuxièmes lignes de pliage (56' perpenαiculaires auxdites premières lignes de pliage et destines à former la face supérieure de ladite caisse ou dudit couvercle, ledit ensemble de rabats supérieurs comportant des rabats intérieurs (58, 59, 85) pour former au moins en partie la partie intérieure de ladite face supérieure et des rabats extérieurs (60, 61, 62, 71, 75) pour former la partie extérieure de ladite face supérieure , caractérisé en ce que il comporte aux moins deux zones (66, 78) frangibles ou au moins en partie évidées, respectivement à cheval et centrées latéralement sur les deuxièmes lignes de pliage (56) de deux rabats non adjacents dits premiers rabats (58, 59, 60) , destinés à former deux rabats opposés de la face supérieure de la caisse ou du couvercle, lesdites zones s'étendant chacune de part et d'autre de ladite deuxième ligne de pliage correspondante sur des distances déterminées, et en ce que au moins un rabat (60, 61) comporte une languette (63, 64) rectangulaire ou une portion de languette (65) rectangulaire détachable dudit rabat, agencée pour être dans le prolongement desdites zones lorsque le couvercle est formé.12. Blank (44, 45, 46, 47) of corrugated cardboard sheet material or the like, for producing a cover or a box of polygonal section, said blank comprising: a series (48, 49, 50 ) rectangular shutters connected to each other by first fold lines (51) parallel to each other; and - a set of upper flaps (55) disposed on one side of said series of flaps, connected to the latter by second fold lines (56 'perpendicular to said first fold lines and intended to form the upper face of said body or said cover, said set of upper flaps having inner flaps (58, 59, 85) to form at least partially the inner part of said upper face and outer flaps (60, 61, 62, 71, 75) for form the outer part of said upper face, characterized in that it comprises at least two frangible or at least partially hollowed out zones (66, 78), respectively straddling and centered laterally on the second fold lines (56) of two nonadjacent flaps called first flaps (58, 59, 60), intended to form two opposite flaps of the upper face of the box or of the lid, said zones each extending on either side of said second corresponding fold line over determined distances, and in that at least one flap ( 60, 61) comprises a rectangular tongue (63, 64) or a rectangular tongue portion (65) detachable from said flap, arranged to be in the extension of said zones when the cover is formed.
13. Flan selon la revendication 12 caractérisé en ce que les premiers rabats (58, 59) sont les rabats intérieurs, la partie centrale de la languette détachable étant constituée par le bord périphérique d'un des rabats extérieurs, la somme des largeurs desdits rabats extérieurs étant égale ou sensiblement égale à la largeur du couvercle.13. A blank according to claim 12 characterized in that the first flaps (58, 59) are the inner flaps, the central part of the detachable tongue being constituted by the peripheral edge of one of the outer flaps, the sum of the widths of said flaps exterior being equal to or substantially equal to the width of the cover.
14. Flan selon la revendication 12, caractérisé en ce que les premiers rabats (58) sont les rabats intérieurs, la partie centrale de la languette détachable (63) étant constituée par le bord périphérique d'un des rabats extérieurs, la somme des largeurs desdits rabats extérieurs étant supérieure à la largeur du couvercle d'une valeur égale ou sensiblement égale à la largeur de la poignée.14. Blank according to claim 12, characterized in that the first flaps (58) are the inner flaps, the central part of the detachable tongue (63) being constituted by the peripheral edge of one of the outer flaps, the sum of the widths said outer flaps being greater than the width of the cover by a value equal to or substantially equal to the width of the handle.
15. Flan selon la revendication 12, caractérisé en ce que les premiers rabats (60) sont les rabats extérieurs, la languette détachable étant constituée par deux portions (65) desdits rabats extérieurs situées en vis à vis dans le prolongement des zones vers l'extérieur des volets par rapport aux secondes lignes de pliage correspondantes.15. Blank according to claim 12, characterized in that the first flaps (60) are the outer flaps, the detachable tongue being constituted by two portions (65) of said outer flaps located opposite in the extension of the zones towards the outside of the flaps relative to the corresponding second fold lines.
16. Flan selon l'une quelconque des revendications 12 à 15, caractérisé en ce que l'ensemble de rabats comprenant quatre rabats, les deux autres rabats dudit ensemble, dits seconds rabats, comportent des bords périphériques en vis à vis présentant à leur extrémité latérale des évidements (77, 86) ou des parties frangibles propres à se superposer au moins en partie avec une partie desdites zones des deux premiers rabats.16. Blank according to any one of claims 12 to 15, characterized in that the set of flaps comprising four flaps, the other two flaps of said assembly, called second flaps, have peripheral edges facing each other having at their lateral end recesses (77, 86) or frangible parts suitable for superimposing at least partly with a part of said zones of the first two flaps.
17. Procédé de fabrication de caisses ou de couvercles de caisse à poignée à partir d'un flan (44, 45, 46, 47), ledit flan comportant : - une suite de volets rectangulaires reliés les uns aux autres par des premières lignes de pliage parallèles entre elles et un ensemble de rabats supérieurs 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 la face supérieure de ladite caisse ou dudit couvercle, ledit ensemble de rabats latéraux comportant des rabats intérieurs pour former la partie intérieure de ladite face supérieure et des rabats extérieurs pour former la partie extérieure de ladite face supérieure ; ledit flan comportant aux moins deux zones frangibles ou évidées, respectivement à cheval et centrées latéralement sur les deuxièmes lignes de pliage de deux rabats non adjacents dits premiers rabats, destinés à former deux rabats opposés de la face supérieure de la caisse ou du couvercle, lesdites zones s'étendant chacune de part et d'autre de ladite deuxième ligne de pliage correspondante sur des distances déterminées au moins un rabat comportant une languette rectangulaire ou une portion de languette rectangulaire détachable dudit rabat, agencée pour être dans le prolongement desdites zones lorsque le couvercle est formé, ledit procédé étant caractérisé en ce que, après formation du corps de la caisse et remplissage de cette dernière avec les produits à emballer, on referme les rabats intérieurs et extérieurs, puis on colle une première extrémité (23) d'une bande supérieure (22) en dessous et sur une première zone frangible, puis sur la ou les parties d'extrémité du ou des rabats extérieurs destiné à former la partie centrale de la bande inférieure, et enfin on colle l'autre extrémité de la bande externe en dessous de l'autre zone en vis à vis, de sorte que la poignée allongée est mobile entre une première position à plat où elle épouse le pourtour de la caisse, et une seconde position, de préhension, en partie écartée du couvercle, où elle pénètre dans lesdites zones. 17. A method of manufacturing cases or handle box covers from a blank (44, 45, 46, 47), said blank comprising: - a series of rectangular flaps connected to each other by first lines of parallel folding between them and a set of upper 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 upper face of said box or said cover, said set of side flaps having inner flaps to form the inner part of said upper face and outer flaps to form the outer part of said upper face; said blank comprising at least two frangible or recessed zones, respectively astride and centered laterally on the second fold lines of two nonadjacent flaps known as first flaps, intended to form two opposite flaps of the upper face of the box or of the cover, said zones each extending on either side of said second corresponding fold line over determined distances at least one flap comprising a rectangular tongue or a portion of rectangular tongue detachable from said flap, arranged to be in line with said zones when the cover is formed, said method being characterized in that, after forming the body of the box and filling the latter with the products to be packaged, the internal and external flaps are closed, then a first end (23) of an upper strip (22) is glued below and on a first frangible zone, then on the end part or parts of the outer flap or flaps intended to form the central part of the lower band, and finally we glue the other end of the external strip below the other opposite area, so that the elongated handle is movable between a first flat position where it marries the periphery of the body, and a second position, gripping, partly spaced from the cover, where it penetrates into said areas.
EP95943292A 1995-01-02 1995-12-29 Box or lid made of a rigid sheet material, blank, and method for making same Expired - Lifetime EP0746506B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9500014A FR2728868B1 (en) 1995-01-02 1995-01-02 RIGID SHEET MATERIAL CASE OR LID WITH REINFORCED HANDLE, BLANK AND METHOD FOR MANUFACTURING SUCH A CASE OR SUCH A LID
FR9500014 1995-01-02
PCT/FR1995/001756 WO1996020874A1 (en) 1995-01-02 1995-12-29 Box or lid made of a rigid sheet material, blank, and method for making same

Publications (2)

Publication Number Publication Date
EP0746506A1 true EP0746506A1 (en) 1996-12-11
EP0746506B1 EP0746506B1 (en) 1999-05-06

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EP (1) EP0746506B1 (en)
AT (1) ATE179663T1 (en)
AU (1) AU4452896A (en)
CA (1) CA2184110A1 (en)
DE (1) DE69509505T2 (en)
ES (1) ES2132765T3 (en)
FR (1) FR2728868B1 (en)
IL (1) IL116470A (en)
WO (1) WO1996020874A1 (en)
ZA (1) ZA9510973B (en)

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Publication number Publication date
DE69509505D1 (en) 1999-06-10
FR2728868B1 (en) 1997-10-17
ATE179663T1 (en) 1999-05-15
ES2132765T3 (en) 1999-08-16
AU4452896A (en) 1996-07-24
DE69509505T2 (en) 1999-11-18
IL116470A0 (en) 1996-03-31
FR2728868A1 (en) 1996-07-05
ZA9510973B (en) 1996-06-25
EP0746506B1 (en) 1999-05-06
CA2184110A1 (en) 1996-07-11
WO1996020874A1 (en) 1996-07-11
IL116470A (en) 1999-06-20
US5878946A (en) 1999-03-09

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