FR2792290A1 - Set of blanks for construction of folding crate form tray and lid and crate has transverse side wall which may be manually torn from remainder of crate - Google Patents

Abstract

The crate (1) consists of a rectangular tray (2) whose sides (15) may be overlapped by the sides (10) of the lid (3). The ends (6) of the lid may overlap the ends (5) of the trays. The top of the lid maybe formed by folding flaps. A portion (4) of the end wall may be torn away by the user when opening the crate. There are pre-cut portions and gluing points (16,17) on the side walls. The crate may be made of plain or corrugated cardboard.

Description

CUTTING ASSEMBLY, CASE, METHOD AND MACHINE FOR

  THE MANUFACTURE OF A CASE FROM SUCH A SET

  The present invention relates to a set of cutouts for forming a packaging case forming a cardboard display, the case being of the type comprising two elements which can be separated manually from one another and inserted one inside the other, respectively formed at from cuttings of cardboard or corrugated sheet material belonging to said assembly, the first element forming a display tray, the second element forming an upper part of the box capable of being removed so as to give access

  s15 to the products contained in the box.

  It also relates to such a packaging case as well as the method and the machine for manufacturing the case from the set of blanks. The invention also relates to a method of opening

of such a case.

  The present invention finds a particularly important, although not exclusive, application in the field of packaging for rigid products of the cylindrical jar type, making it possible to easily present the products in or outside their transport packaging in an immediate, clean and attractive, especially on the shelves of

big box stores.

  There are already known (EP 0 637 548) packaging boxes of the type described above allowing rapid disconnection of the upper part of the

  body in relation to the lower part.

  Such a box, although satisfactory, has the disadvantage of not being easily

formable in automatic.

  The present invention aims to provide a set of cutouts and a box that better meets those previously known to the requirements of practice in particular in that it allows automatic assembly at high speed (greater than twenty boxes / min), while having great solidity and a rate of badly formed boxes almost zero, the boxes thus obtained by the invention being moreover

easily stackable on pallets.

  In addition, it will be possible with the invention, for certain embodiments, to also remove the tray, which makes it possible to completely eliminate the packaging of the products and thus authorizes an impeccable presentation in a gondola in stores. To this end, the present invention proposes in particular a set of blanks for the constitution of a two-part packaging case comprising two blanks of material made of cardboard sheet or corrugated cardboard, namely a first blank suitable for forming a display tray and a second cut-out suitable for forming the upper part of the box, characterized in that the first cut-out comprises a series of three flaps, namely a central flap suitable for forming the bottom of the tray connected laterally by first two fold lines side flaps suitable for forming at least partially two longitudinal side walls of said tray, said series comprising at least one set of transverse flaps located on one side of said flaps to which it is connected by second fold lines perpendicular to the first fold lines , said set being intended to form at least partially a transverse lateral wall of lad ite tray, in that the second blank comprises at least one panel, and in that the two blanks are joined together only by one or more pre-cut portions belonging to one and / or the other of the blanks, so as to form a packing case, the display tray of which can be detached manually from the upper part of the case by simple pulling of one of the cutouts towards the outside of the case near the or

said precut portions.

  By pre-cut portion is meant a frangible portion which only holds by a few attachment points with the rest of the cut and which is therefore easily tearable in the plane and / or

  perpendicular to the plane, of said cut.

  By simple traction is meant a slight traction with respect to said cut, that is to say a force of a few newtons, for example less than

  the order of 10, even 5 newtons, even 2 or 1 newtons.

  Advantageously, one of the cuts comprises at least two pre-cut portions in said cut respectively located on either side of said cut, with respect to a longitudinal axis, namely at least a first portion glued to the other cut and at minus a second portion intended to be glued to the other cut after setting in volume

from the cash register.

  In an advantageous mode, the volume is made by winding around a volume of predetermined dimensions, the two cuts previously joined to one another by at least one

of said first portions.

  Advantageously the volume of dimensions

predetermined is a mandrel.

  In advantageous embodiments, use is also made or more of one and / or the other of the following arrangements: - the second cutout comprises three panels, namely a central panel capable of forming the upper face of the upper part of the box, laterally connected by third fold lines to two side panels suitable for forming at least partially the side walls of the box to be secured to the side flaps of the first cut via said precut portions; - The second cut has two sets of side flaps located on either side of said panels, to which they are connected by fourth fold lines located in the extension of said

  second fold lines of the first cut.

  Advantageously, the fourth fold lines are offset with respect to the second fold lines, of a thickness of cardboard inwards or outwards depending on whether the upper part of the box is intended to be placed inside or at the outside of the tray; - The two side panels of the second cut are symmetrical with respect to the longitudinal axis of the central panel; - two side flaps, belonging respectively to the side panels of the second cut, each have a 45 fold line starting from the fourth fold lines outwards from the junction between third and fourth

fold lines.

  Such an arrangement will allow the automatic conformation in the tunnel of the flaps which can slide horizontally on the load of the box thus allowing the extraction of the upper part of the box horizontally and not from above; - The two side panels are symmetrical with respect to the center of the central panel and have at least two different transverse widths; - the two side panels of the second cut are different; - the two parts of the first cut are different; - The second cut comprises a single panel, - the first and second precut portions are each each constituted by at least one small longitudinal tab; - The second cut comprises at least four panels respectively connected to each other by fifth fold lines parallel to the second fold lines of the first cut, and an end bonding tab, the four panels comprising a set of flaps located on the side opposite the first cut; - The second cut has eight panels, namely four main panels and four intermediate panels intended to form cut corners of an eight-sided box, the first cut comprising a central rectangular flap with cut corners or octagonal; - The central flap comprises on either side two transverse flaps each provided on each side with a set of two end flaps connected to said transverse flaps or to said adjacent end flaps by sixth parallel fold lines between them to form the corners with cut corners of the tray once formed; - the precut portions belong to the first cut; the pre-cut portions belong to the second cut; - the precut portions are cut along a closed line; - the precut portions are cut according to

an open line.

  Such an arrangement facilitates the lateral separation between the first and second cuts during the uprooting of said precut portion perpendicular to the plane of the flap or external wall, and with respect to the latter; - There are two symmetrical precut portions relative to the center of the packaging; - the pre-cut portions start at an angle from the junctions between the first and second fold lines towards the outside of the cut, for example with an angle between 5 and 30 by

  relative to the first corresponding fold line.

  The invention also provides a box made from a set of cutouts, of the type described above. The present invention also proposes in particular a packaging case formed from a sheet of cardboard or corrugated cardboard material, comprising two elements which can be separated manually from one another and inserted one into the other, namely a first element forming a display tray and a second element forming the upper part of the box, the first element being formed from a first cut and the second element from a second cut, characterized in that the first cut comprises a series of three flaps, namely a central flap forming the bottom of the tray connected laterally by first fold lines to two lateral flaps forming at least in part two longitudinal side walls of said tray, said suite comprising at least one transverse flap located on one side of said flaps to which it is connected by at least one second fold line perpendicular to the first lines of folding, and forming at least partially a transverse lateral wall of said tray, in that the second cut comprises at least one panel, and in that the two cutouts are joined together only by two or more precut portions belonging to the '' and / or the other of

cuts.

  Advantageously, one of the cuts comprises at least two pre-cut portions in said cut respectively located on either side of said cut with respect to a longitudinal axis, namely a first portion glued to the other cut and a second portion also glued to the other cut. Also advantageously, the box is formed by winding the two cutouts and folding down the flaps around a volume of predetermined dimensions, so as to form said packaging box, the display tray of which can be detached manually from the upper part of the box by simple pull. from one of the cutouts to the outside of the nearby box

said precut portions.

  In advantageous embodiments, recourse is also had to the various arrangements described above with reference to

  the set of blanks according to the invention.

  The invention also proposes a set of cutouts, characterized in that it comprises two cutouts respectively formed each of three flaps, namely a first cutout intended to form a tray and a second cutout intended to form an upper part, said cutouts being joined together only by means of two precut portions belonging to one of the cuts and glued to the other cut. Advantageously, the two cutouts are folded to

flat on top of each other.

  It also offers a box obtained with such a set of cutouts, by tunneling said set glued via said portions.

  pre-cut belonging to the end flaps.

  The invention also provides a method for producing a polygonal section packing case from two cutouts of corrugated sheet material, namely a first cutout suitable for forming a display tray and a second cutout suitable for form the party

  top of the body of the type described above.

  f. It also and more specifically proposes a method for producing such a packaging case from two cutouts, characterized in that, one of the cutouts comprising at least two pre-cut portions in said cutout, said glue is laid flat portions, one of said portions is applied flat to the other cut, the set of cuttings thus secured is wound around a volume of predetermined dimensions, then the other portion previously glued is applied to the other cut after winding and folding around said volume, so as to form said packing case, the tray of which is displayed can be detached manually from the upper part of the case by simple pulling of one of the cutouts towards the outside of the case to

  proximity of said precut portions.

  In an advantageous embodiment, the volume

  of determined size is a mandrel.

  Advantageously also, the method implemented relates to two cuts such that the first cut comprises a series of three flaps, namely a central flap capable of forming the bottom of the tray connected laterally by first fold lines with two lateral flaps specific to forming at least partially two longitudinal side walls of said tray, said series comprising at least one set of transverse flaps located on one side of said flaps to which it is connected by second lines of it fold perpendicular to the first fold lines, and intended at least partially forming a transverse lateral wall of said tray, and

  the second cut comprises at least one panel.

  The invention also provides a machine for producing a packaging box with polygonal section from two cutouts in corrugated sheet material, namely a first cutout suitable for providing a display tray and a second cutout suitable for form the upper part of the body, characterized in that, one of the cutouts comprising at least two pre-cut portions in said cutout located respectively on either side of said cutout, with respect to a longitudinal axis, said machine comprises - means for gluing said determined portions, - means for positioning the cutouts one on the other, to allow bonding of a first of said precut portions on the other cut, the fold lines of one of the cutouts being placed relative to the fold lines of the other cutout to allow winding around a volume of determined dimensions, - means d 'application for fixing by gluing said first pre-cut portion on the other cut, - and means for forming the box by winding and folding down the flaps, panels and flaps of the cutouts thus secured around said volume of dimensions determined for fixing

only by gluing.

  Advantageously, the machine comprises two feed stores arranged on either side of the

die cutting machine.

  Advantageously, the volume of predetermined dimensions is a mandrel, for example with eight sides. The invention also provides a machine for implementing the method described above from

  the set of cuts also previously described.

  It also proposes a method of opening a box with a polygonal section formed from two cutouts of corrugated sheet material, namely a first cut capable of forming a display tray and a second cut capable of forming the upper part. of the fund, said

  body being filled with rigid or semi-rigid products

  rigid, characterized in that: the cutouts being only secured to one another by one or more precut portions, - the tray is manually detached from the upper part of the body by tearing off at the precut portions, - the horizontal is pulled out tray to release the tray and the products on top, then pull the upper part horizontally to completely release the products

it contains.

  In other words we pull the tray under the very feet of the products that will be able to stay

alone on the shelf.

  Advantageously the pull-ups are done on the same side. It also offers a process for opening a

  body according to the embodiments described above

  before o the upper part and the tray are removed by pulling them successively and horizontally, above and below the

products contained in the case.

  The present invention will be better understood on

  reading the following description of modes of

  embodiment given by way of nonlimiting examples.

  The description refers to the drawings which

  accompany it in which: - Figures 1A to 1C show in perspective a first embodiment of a display case according to the invention, during different stages of its opening. - Figure 2 is a set of flat cuts

  corresponding to the body of Figures 1A to 1C.

  - Figures 3A to 3C show a second embodiment of a display case according to the invention here again during the various stages of its opening. - Figures 4 and 5 give the set of cutouts, corresponding to the box of Figures 3A to

  3C, before and after joining flat.

  - Figures 6A to 6C show in perspective a third embodiment of a display case according to the invention during the various stages of its opening. - Figures 7 to 9 give the set of cutouts, corresponding to the box of Figures 6A to

  6C, before and after joining flat.

  - Figures 10A to 10C show in perspective a fourth embodiment of a display case according to the invention here again during the different

stages of its opening.

  - Figures 11 to 13 give the set of cutouts, corresponding to the box of Figures 10A to

  C, before and after joining flat.

  - Figures 14A to 14C show in perspective a fifth embodiment of a display case according to the invention during the various stages of its opening. FIG. 15 gives the set of cutouts, corresponding to the box of FIGS. 14A to 14C,

after joining flat.

  - Figures 16A to 16C show in perspective a sixth embodiment of a display case according to the invention during the various stages of its opening. - Figure 17 gives the set of cuts,

  corresponding to the body of Figures 16A to 16C.

  - Figures 18A to 18F show in perspective a seventh embodiment of a display case according to the invention here again during the different

stages of its opening.

  - Figure 19 gives the set of cutouts during its formation, by gluing the two cutouts one on the other, corresponding to the box of the figures

18A to 18F.

  - Figures 20A to 20C show in perspective an eighth embodiment of a display case according to the invention during the various stages of its opening. FIG. 21 gives the set of cutouts, corresponding to the box of FIGS. 20A to 20C,

after joining flat.

  - Figures 22A to 22C show in perspective a ninth embodiment of a display case according to the invention during the various stages of its opening. - Figure 23 shows the first and second cuts to obtain the set of cuts

  corresponding to the body of Figures 22A to 22C.

  - Figures 24A to 24D show in perspective a tenth embodiment of a display case according to the invention during the various stages of its opening. FIG. 25 shows the first and second cuts enabling the set of cuts to be obtained,

  corresponding to the body of Figures 24A to 24D.

  - Figure 26 is a schematic perspective view of a first embodiment of a

machine according to the invention.

  - Figure 27 is an exploded perspective view of a first part of the machine of Figure 26. - Figure 28 is a side view of a mechanical operating diagram showing the different stages of an embodiment of the method according to the invention. - Figures 29 and 30 are perspective views of the second part of the machine of Figure 26, showing the winding around a mandrel, then the drawdown on the bottom of the mandrel

before ejection of the box.

  In the following description, we will use both

  as possible the same reference numbers for

designate the same elements.

  FIGS. 1A to 1C and FIG. 2 respectively show a box 1 and a set 2 of cutouts formed from material of cardboard sheet or corrugated cardboard, for example double-sided corrugated cardboard 3 mm thick, or even less, through

  example less than 2 mm thick.

  The box 1 comprises two elements 3 and 4 which can be manually separated from each other, namely a first element 3 forming a display tray and a second element 4 forming the upper part of the box, the first element 3 being formed from '' a first cut 3 and the second element to

  from a second cut 4 (see figure 2).

  The first blank 3 comprises a series of three flaps, namely a central rectangular flap 5 forming the bottom of the tray connected laterally by first fold lines 6 parallel to each other with two lateral flaps 7 in the shape of a U, the base of which is formed by the fold lines 6, and which will constitute two perforated side walls of the

  box 1, allowing you to see the contents of the box.

  The flaps comprise two sets of rectangular transverse flaps 8 and 9 situated on either side of said flaps to which they are connected by second fold lines 10, perpendicular to the first fold lines which form when glued to each other two side walls

  transverse 11, perforated, facing each other.

  The first cut 3 comprises four rectangular tabs 12 respectively connected to the upper parts of the U-shaped branches of the side flaps which they extend, by pre-cut or tear-away fold lines 13, parallel to the first fold lines 6, the tabs 12

  forming the precut portions according to the invention.

  The second cut 4 comprises only, for its part, a rectangular panel 14, of the same dimensions as the rectangular bottom 5 of the first cut, which is glued on the external face of two of its corners 15 to the tongues 12 to form the assembly 2 of two cutouts integral with each other only through these portions

3 o tear off.

  When the box 1 is then formed, for example by winding around a mandrel, the two other tongues 12 are glued to the external faces of the other two corners 16 of the panel 14, which therefore gives a box in accordance with FIG. 1A. By simple pull along arrow F (see FIG. 1B) towards the top of the packaging, the precut tabs 12 are torn off while remaining integral with the panel 14; the user can then access the

  contents of the box (Cf. figure 1C).

  Advantageously, the corners 17 of the central flap are perforated with a shape complementary to that of the tongues 12, which will allow the nesting of the tongues 12 of a box in the recesses 17 of

the other during stacking.

  FIGS. 3A to 5 give another embodiment of a box 18 and an assembly 19 of

  cutouts according to the invention, with perforated walls.

  Here the first cut 20 comprises two lateral flaps 21 also in the shape of a U connected to the rectangular central flap 22 by first lines of

folding 23, parallel to each other.

  The precut portions 24 are formed by substantially rectangular parts located on the outer periphery 25 of the lower arm of the U, centered relative to the corresponding side flap 21. Two sets 26 of substantially rectangular transverse flaps are provided on either side of the

flaps 21 and 22.

  The second blank 27 comprises three panels, namely a rectangular central panel 28 and two side panels 29 comprising a part 30 of shape complementary to that of the perforated U-shaped part of a side flap, which allows in particular (Cf Figure 4) Optimized cutting of corrugated cardboard sheets, minimizing cardboard losses thanks to the possibilities of nesting the cutouts which can

  thus be cut contiguously.

  Each of the panels has two sets of rectangular side flaps 31 and 32, respectively arranged on each side of said panels to which they are connected by fourth fold lines 33 offset towards the outside by a thickness of cardboard with respect to the second fold lines 34 connecting the sets of flaps 26 to the flaps of the first

  cutting, when the two cuts are facing each other

  opposite and glued to each other offset from the nesting, via the portion

pre-cut 24.

  More precisely, the panels being connected to each other by third fold lines 35, and according to the embodiment of FIG. 5, the cutouts are assembled so that the peripheral, central, external edge 36 of the side panels 29 coincides with the first fold line 23, the transverse dimension of the panels being moreover such that the external peripheral edges of the upper branch parts of the U substantially coincide with the third fold line 35 of the second

cutout (see figure 5).

  In other words, the transverse lengths of the side panels 29 and the side flaps 21 are identical or substantially identical, which makes it possible to cap the tray 20 over its entire height, by the upper part formed by the

  second cut 27 (see FIG. 3A).

  FIGS. 6A to 8 show another embodiment of a box 36 comprising an asymmetrical tray 37 and an upper part 38 detachable from said tray by traction and pivoting

(arrow F).

  Here the first cut comprises three rectangular flaps, provided with two sets 39 of rectangular transverse flaps, namely a rectangular central flap 40, a large rectangular lateral flap 41 intended to form the vertical bottom of the display and a small rectangular lateral flap 42 provided with '' a pre-cut portion 43 in isosceles rectangular or trapezoidal shape extending longitudinally across the main width of the display, and transversely over part of said

  shutter, for example two-thirds of the width. An opening 44 is provided to form a handle allowing the uprooting

of the cover formed by

the second cut 45.

  The second cut 45 comprises three rectangular panels, namely a central panel 46, a large side panel 47 intended to be glued to the portion 43 of the first cut and a small side panel 48, forming a bonding tab, connected to the central panel by a pre-cut fold line 49 and forming the second pre-cut or easily tear-off portion according to the invention. The small panel 48 is devoid of side flaps, unlike panels 46 and 47 which include two sets 50 intended to form the side walls

of the cover (see figure 6B).

  FIGS. 10A to 13 show another mode of

realization of the invention.

  The first cutout 51 (see FIG. 12) comprises an octagonal central flap 52, or rectangular with cut corners, and two rectangular lateral flaps 53, attached to the longitudinal edges of the central flap

  by first fold lines 53 '.

  In this embodiment, the central flap 52 comprises on either side, two transverse flaps 54 each provided with end flaps 55 and 56 connected to the adjacent flaps by sixth fold lines 57, parallel to each other, including l 'a form

  the cut corners 58 of the tray (see FIG. 10C).

  The second cutout 59 (see FIG. 11) comprises four rectangular main panels 60 and four intermediate panels 61 interconnected by fifth fold lines 62 parallel to each other and an end tab 63 for bonding to the shutter

  opposite end intermediate.

  It further comprises a set of substantially rectangular flaps 64 having, for two of them, opposite, lateral edges starting at least partly obliquely outwards to come into line with the cut corners. Two opposite main panels (not adjacent) each comprise on their lower peripheral edge 65, in open line, centered with respect to the panel concerned, a pre-cut portion 66 by

rectangular example.

  The portions 66 are provided to be glued to the internal face of the walls formed by the side flaps 53, which allows extraction as shown in FIG. LOB, the edges 65 being coincident or offset by a thickness of cardboard, or substantially, by relative to the first fold line 53 'joining the central flap 52 with the side flap 53. The body 67 obtained is advantageously mounted around a mandrel, the second cut 59, previously glued to the first cut as shown in FIG. 13 , being wrapped around an eight-sided mandrel, then the first cut being folded over the bottom of the mandrel with gluing of the end flaps 56, by successive application to the cut corners formed by the intermediate flaps

  61, then on the adjacent side flaps 53 (Cf.

Figure 10C).

  FIGS. 14A to 15 show a box 68 with four sides formed from a first cut 69 of three rectangular flaps 70, 70 'each provided with two identical rectangular flaps, respectively 71, 71' and a second clean cut 72 forming the rectangular cover, comprising three panels, namely a rectangular central panel 73 and two symmetrical side panels 74 and comprising two portions 75 and 76

of different heights.

  More precisely, each side panel comprises a first rectangular part 75 or substantially rectangular with a first height h equal to the height of the products, and a second rectangular part 76 with a second height h 'which is smaller, for example equal to half of the height of the products. The length of each part is for example half the length of the panel

corresponding transverse.

  Such arrangements thus leave two opposite solid angles 77 of the hollowed-out box (see FIG. 14A), making it possible to view the products, which moreover support the cover 72 formed by the

  cut in these non-bearing angles.

  Each first part 75 comprises, in a substantially centered manner, a precut portion 78, for example rectangular, of which a portion 79 is perforated to serve as a handle facilitating the uprooting.

  of the cover in relation to the tray.

  The precut portion 78 is also arranged to have an edge which is flush with the upper peripheral edge 80 of the rectangular side flap 70 '(see FIG. 15) with which it is

  secured externally or internally.

  During the extraction of the cover and in the embodiment of FIG. 14B, the precut portion 78 remains bonded to the internal or external face of the tray 69, an orifice 81 remaining

  therefore in the corresponding panel 75.

  FIGS. 16A to 17 show a box 82 and a set of cutouts 83 according to another embodiment of the invention comparable to the mode described with reference to FIGS. 10A to 13,

but only on four sides.

  The precut portions 84 are identical and

  type of those described with reference to these figures.

  On the other hand, in this embodiment, the first cutout 85, which comprises three rectangular flaps, namely a rectangular central flap 86 intended to form the bottom and two identical small rectangular side flaps 87 intended to form the lateral edges of the tray 88 of the body 82, has two identical sets 89 of flaps, namely each flap has a rectangular flap 89 connected to said corresponding flap by

a fold line 90.

  This type of flap, connected to the panel and not to the side flaps, is also applicable and / or adaptable to the eight-sided box described in

reference to Figures 10A to 13.

  The second cut 85 'has four rectangular flaps separated by first fold lines, and provided with a set of substantially rectangular flaps located on the side opposite to the first cut 85. The other side of the

flap has no flap.

  FIGS. 18A to 19 show another embodiment of the box 91 and the set of cutouts 92

particularly advantageous.

  Indeed, such a box allows a disbursement only by horizontal movements (arrows 93 and 94) of the tray (Cf. figure 18D) and the upper part (Cf. figure 18E), only the products 95 remaining on the shelves or the support of

presentation of the store.

  More specifically, the set of cutouts 92 comprises a first cutout 96 provided with a rectangular main flap connected to two lateral flaps 97 symmetrical with respect to the longitudinal axis 98 of said cutout, comprising for example two parts

of different heights.

  Each lateral flap 97 is provided with a precut portion 99, for example in the form of a diamond and placed at the open edge of the periphery of the lateral flap 97, for example at the junction between the two parts of different heights,

  substantially in the center of the corresponding flap.

  The second blank 100 comprises three panels, namely a rectangular central panel 101, and two rectangular side panels 102, symmetrical with respect to the longitudinal axis 103 of

the cut.

  Each panel has on both sides a

rectangular flap.

  More specifically, the side panels 102 comprise on one side rectangular flaps 103 and on the other side of rectangular flaps 104. The flaps 104 of the side panels 102

  each include a fold line 105 to 45.

  More precisely, each flap 104 is connected on the one hand to the adjacent flap by an extension of the third fold line 106 and on the other hand to said panel 102 by the fourth fold line 107. The fold line 105 starts from the third line 106 fold outwards from the junction

  between third line 106 and fourth line 107.

  When the box is opened, it is therefore possible (see FIGS. 18B and 18C) to put the bellows flaps 104 in the form of a tunnel, with the flap 108 of the central panel 101, the small flaps 109 of the tray having discarded, which allows the lateral exit of the products 95 by pulling horizontally on the upper part as

  indicated by arrow 94 in Figure 18E.

  FIGS. 20A to 21 show a variant of body 110 according to the invention comprising a tray 111 of conventional type with an upper part 112 consisting only of three rectangular panels 113 and 114, the two side panels 114 being identical and each comprising one or two precut portions 115, centered with respect to the panels and part of which is suitable for covering the lateral flap 116 adjacent to the tray during bonding, at its peripheral edge 117, as described with reference to the

figure 15.

  The box then opens in an extremely simple way by lateral spacing of the two panels and tearing up, the precut portions 115

  remaining stuck on the tray 111.

  FIGS. 22A to 23 show another embodiment of a box 118 of the type described in

reference to Figures 18A to 19.

  Here the tray 119 is in the form of a shovel open on one side 120, the precut portions 121 being on and centered with respect to the two side panels 122 of the second blank 123 which moreover comprises two identical sets of side flaps

126 rectangular.

  The extraction of the upper part 123 is done

here from above (see figure 22B).

  FIGS. 24A to 25 show a box 127 of the type described with reference to FIGS. 18A to 19, which can only be disassembled by horizontal extraction

(arrows 128 and 129).

  The first cutout 130 comprises a central flap 131, for example rectangular, and two lateral flaps 132 symmetrical with respect to the longitudinal axis 133

of the central flap.

  The central flap 131 comprises two transverse flaps 134, one of which comprises a rectangular orifice 135, one edge of which coincides with the second fold line 136, forming a tearing handle, and the other is for example devoid of a handle. The side flaps 132 are for example provided with small rectangular side flaps 137. They also each have two pre-cut portions 138, symmetrical with respect to the transverse axis 139 of the cutout, substantially in the shape of a triangle or trapezoid whose large base is merged with the second fold line 136 at the junction with the adjacent small flap 137, and one side starts at an angle from the junctions between second

and first fold line.

  The central part 140 of the side flap is then of substantially isosceles trapezoidal shape, with a large base merging with the first fold lines and a small base merging with the edge.

external device of the shutter.

  The upper part 141 of the body consists of a second cut 142 similar to the second cut 100 described with reference to

Figures 18A to 19.

  The portions 143 are identical with, and constitute the bonding spaces of the precut portions 136 which remain integral with the upper part (cf. FIGS. 24C and 24D) after the trapezoidal parts 140 of the

tray 130 (see Figure 24B).

  Figure 26 shows in perspective an overview of a machine 150 according to a mode of

realization of the invention.

  More precisely and also with reference to FIG. 27, the machine 150 comprises a support frame 151, a first assembly 152 for feeding the blanks 153 intended to form the tray, and a second assembly 154 for feeding the blanks 155 intended for form the top of

the packaging according to the invention.

  These power supply assemblies are known in themselves and make it possible to grasp the cutouts one by one by means of suction cups and then tilt them onto a platform 156 on which the set of cutouts according to

the invention is formed.

  More specifically, with reference to FIG. 27, the lower cutout 153 is first of all flattened after extraction from the supply assembly

2 o concerned.

  Then a gluing of the precut portions is carried out and the second cutout 155 intended to form the assembly is then taken by the tilting suction feed system 154 to be placed precisely, then applied (press 157) to the first cutout 153 which thus becomes integral by gluing only through a precut portion. Then all of the cutouts thus formed are moved horizontally (see FIG. 28) by means of transfer means 158, for example constituted by belts 159 in noria, under a parallelepiped mandrel 160, for example at

some distance from the latter.

  During the transfer, the end flaps 161 and the second precut portion are glued by means 162 of the "hot melt" glue gun type, at

vertical injection.

  Then the central flap of the first cut (for example) is put under pressure on the mandrel, for example by the method and with reference to the device

  described in patent EP 0 468 860.

  Likewise, the set of blanks is then wound (see FIG. 29) around the mandrel by means of a system of tilting arm 163 and the flaps and / or panels of the blanks are applied under pressure (see FIG. 30 ) via push plate 164 on the mandrel 160, so that

the body is partly formed.

  Simultaneously, the flaps intended to form a lateral side of the whole of the formed box are applied to the bottom of the mandrel via

of push jacks 165.

  Once the box thus formed, it is ejected to form a box which can be filled from the side, according to the embodiments more particularly

described here.

  We will now describe, in particular with reference to FIGS. 27 and 28, the steps of the method according to a

  embodiment of the invention.

* The cuts are placed in the stores of

  storage composed of belt conveyors.

  The first bottom cutout 153 (tray) and the second body cutout 154 (upper part) are then unstacked. Then there is positioning of the second cutout 154 between a pusher and movable stops (not shown). The second cut is then transferred to a bottom stop and is then placed on the first cut by a connecting rod / crank system (not shown).

  During this transfer, the junction area, i.e.

  say the first precut portion here belonging

  at the first cut, is glued over.

  There is then pressurization (press 157) at

  level of the junction and clearance of the stops.

  The transfer of the set of cutouts thus secured is then carried out under the mandrel 160,

thanks to the belts 159.

  During this transfer, the set of cutouts finishes being glued on the flaps and on the second

  pre-cut portion of junction (glue 162).

  Then, there is volume of the body by mounting the coating arms, pressurization of the lower tacker 166, pre-folding of the outer junction panel of the first cut on the second cut, then simultaneous folding of all of the longitudinal flaps , finally folding and pressurizing the transverse flaps and the junction panel. The body is thus placed in volume with an inverted fold. Finally, the packaging thus formed is ejected, for example by a jar located at

inside the chuck.

  It is of course possible to use other types of store, for example arranged for a

  unstacking from above or from below.

  All unstacking movements are indeed possible (linear by cylinder, or rotary by

belt system).

  The accuracy of these types of store is then

  provided by reciprocal type settings, i.e.

  say allowing to adjust the grip area

depending on the removal position.

  This type of magazine by unstacking from above is also applicable on any type of coating, including around the product itself ("wrapp technique

  around "in Anglo-Saxon terminology).

  as goes without saying and as also follows from the above, the present invention is not limited to the embodiments more particularly described. On the contrary, it embraces all the variants thereof and in particular those in which the precut portions belong partly to the first cut and partly to the second cut.

Claims (39)

  1. Set of cutouts (2; 19; 39, 45; 51, 59; 83; 92; 111, 112; 119, 123; 130, 142) for the constitution of a case (1, 18, 36, 67, 68, 82, 91,, 118, 127) of two-part packaging comprising two cutouts of cardboard sheet or corrugated material, namely a first cutout (3, 20, 37, 51, 69, 85, 96, 111, 130, 153) suitable for forming a tray (20, 37, 69, 88, 111, 119, 130) display and a second cutout (4, 27, 45, 59;   , 112, 72, 85 ', 123, 155, 59, 123, 142, 155)   suitable for forming the upper part of the body, characterized in that the first cut comprises a series of three flaps, namely a central flap (5, 22, 40, 52, 70, 86, 131) suitable for forming the bottom of the tray connected laterally by first fold lines (6, 23, 53 ') to two lateral flaps   (7; 21; 41, 42; 53; 70 '; 87; 97, 116, 132)   adapted to form at least partially two longitudinal side walls of said tray, said series comprising at least one set (8, 9; 26; 39; 54, 55, 56; 71, 71 '; 89; 109; 134, 137) transverse flaps located on one side of said flaps to which it is connected by second fold lines (10, 34, 136) perpendicular to the first fold lines, said set being intended to form at least partially a transverse side wall of said tray, in that the second cut comprises at least one panel (14; 28, 29; 46, 47, 48; 60, 61; 73, 74, ; 101, 102; 113, 114; 122),   and in that the two cutouts are joined together only by one or more precut portions (12, 24, 43, 66, 75, 76, 78, 84, 99,, 121, 138) belonging to one and / or to the other of the cutouts, so as to form a packing case, the display tray of which can be detached manually from the upper part of the case by simple pulling of one of the cutouts towards the outside of the case near   the said precut portion (s).   2. Set of cutouts (2; 19; 39, 45; 69, 72; 92; 111, 112; 119, 123; 130, 142) according to claim 1, characterized in that one of the cutouts comprises at least two portions precut in said cut respectively located on either side of said cut, with respect to a longitudinal axis (98, 133), namely at least a first portion bonded to the other cut and at least a second portion intended to be stuck on the other   cutting after volume of the box.   3. Set of cutouts according to any one of   claims 1 and 2, characterized in that the setting   in volume is made by winding around a volume of predetermined dimensions of the two cutouts previously glued to each other and secured   by at least one of said first portions.   4. Set of cutouts (19; 39, 45; 69, 72; 92; 111, 112; 119, 123; 130, 142) according to one   any of the preceding claims,   characterized in that the second cutout (27, 45, 72, 100, 112, 123, 142, 155) has three panels (28,   29; 46, 47, 48; 73, 74; 101, 102; 113, 114; 122,   ), namely a central central panel (28, 46, 73, 101, 113) suitable for forming the upper face of the upper part of the body, connected laterally by third fold lines (35, 49, 106) in two side panels (29; 47, 48; 74) capable of forming at least partially the side walls of the box to be secured to the side flaps of the first cut via said precut portions.   5. Set of cutouts (19; 39, 45; 69, 72 119, 123; 130, 142) according to claim 4, characterized in that the second cutout (27, 45, 72,, 123, 142) comprises two sets side flaps (31, 32; 50; 126) located on either side of said panels, to which they are connected by fourth fold lines (107) located or substantially located in the extension of said second   fold lines of the first cut.   6. Set of cutouts (19; 92; 111, 112; 119, 123; 130, 142) according to any one of   claims 4 and 5, characterized in that both   side panels of the second cut are symmetrical with respect to the longitudinal axis of the central panel.   7. Set of cutouts (92; 130, 142) according to   any one of claims 5 and 6,   characterized in that two side flaps belonging respectively to the side panels (104) of the second cut (100, 142) each have a 45 fold line (105) starting from the fourth fold lines (104) outwards of the junction between third (106) and fourth fold lines (107).   8. Set of cutouts according to (69, 72) one   any of claims 4 and 5, characterized in   that the two side panels (74) are symmetrical with respect to the center of the central panel (73) and have at least two widths   transverse (75, 76) different.   9. Set of cutouts (39, 45) according to one   any of claims 4 and 5, characterized in   what the two side panels (47, 48) of the second cut are different.   10. Set of cutouts (2) according to one   any of claims 1 to 3, characterized in   that the second cut (4) comprises a single panel (14), and the first and second precut portions are each made up respectively   by at least one small longitudinal tongue (12).   11. Set of cutouts (51, 59; 83) according to one   any of claims 1 to 3, characterized in   that the second cut (59, 85 ') comprises at least four panels (60, 61) respectively connected to one another by fifth fold lines parallel to the second fold lines of the first cut, and an end bonding tab , the four panels comprising a set of flaps (64)   located on the side opposite the first cut (51, 85).   12. Cutout assembly according to claim 11, characterized in that the second cutout (59) comprises eight panels, namely four main panels (60) and four intermediate panels (61) intended to form cut corners of a box to eight sides, the first cut comprising a central central flap (52) with cut corners or octagonal, said central flap comprising on either side two transverse flaps (54) each provided on either side with a set of two end flaps (55, 56) connected to said transverse flaps or adjacent end flaps by sixth fold lines (57) parallel to each other to form the cut corner angles of the tray once formed. 13. Set of cutouts (130, 142) according to one   any of claims 1 to 7, characterized in   that the precut portions start at an angle from the junctions between the first and second fold lines, towards the outside of the first cutting.   14. Set of cutouts according to any one   of the preceding claims, characterized in that   the precut portions belong to the first cut. 15. Assembly according to any one of   claims 1 to 13, characterized in that the   pre-cut portions belong to the second cut. 16. Assembly according to any one of   previous claims, characterized in that the   pre-cut portions (12, 24, 43, 66, 84, 99, 138)   are cut along an ozrf- line.   17. Set of cutouts according to any one   of the preceding claims, characterized in   that there are two symmetrical precut portions   relative to the center of the package.   18. Packing box (1, 18, 36, 67, 68, 82, 91,, 118, 127) formed from sheet material of cardboard or corrugated cardboard, comprising two elements manually separable from one of the other and inserted one into the other, namely a first element forming a display tray and a second element forming the upper part of the box, the first element being formed from a first cut (3, 20, 37, 51, 69, 85, 96, 111, 130, 153) and the second element from a second cut (4, 27,   , 49, 59, 72, 85 ', 100, 112, 123, 142, 155),   characterized in that the first cut comprises a series of three flaps, namely a central flap forming the bottom of the tray connected laterally by first fold lines with two lateral flaps forming at least partially two longitudinal side walls of said tray, said suite comprising at least one set of transverse flaps situated on one side of said flaps to which they are connected by second fold lines perpendicular to the first fold lines, and forming at least partially a transverse lateral wall of said tray, in that that the second cut comprises at least one panel, and in that the two cutouts are joined together only by one or more precut parts (12, 24, 43, 66, 75, 75, 77, 78, 84, 99,, 121, 138) belonging to one and / or the other of the cutouts so as to form said packaging case, the display tray of which can be manually detached from the p upper part of the body by simply pulling one of the cutouts out of the body near said pre-cut portions.   19. Box (1, 18, 36, 68, 91, 110, 118, 127) according to claim 18, characterized in that one of the cuts comprises at least two pre-cut portions in said cut respectively located on the side and other of said cutout with respect to a longitudinal axis (98, 133), namely a first portion glued to the other cutout and a second portion also stuck to the other cutout after winding the two cutouts and folding the flaps around a volume of predetermined dimensions, so as to form said box packing.   20. Case (18, 36, 68, 91, 110, 118, 127) according to   any of claims 18 and 19,   characterized in that the second cutout (27, 45, 72, 100, 112, 123, 142, 155) comprises three panels, namely a central rectangular panel capable of forming the upper face of the upper part of the body, and two side panels suitable for forming at least partially the side walls of the box secured by gluing with the side flaps of the first cut via said precut portions. 21. Box according to claim 20, characterized in that the second cutout (27, 45, 72, 100, 123, 142, 155) comprises two sets of lateral flaps located on either side of said panels, to which they are connected by third fold lines located opposite said second lines of folding of the first cut.   22. Cash box according to any one of   claims 20 and 21, characterized in that the   two side panels of the second cut are symmetrical with respect to the longitudinal axis of the central panel.   23. Box (91, 127) according to any one of   claims 21 to 22, characterized in that two   side flaps belonging respectively to the side panels (104) of the second cut each have a 45 fold line (105) starting from the third fold lines (107) outward from the junction between third   (106) and fourth fold lines (107).   24. Box (68) according to any one of   claims 20 and 21, characterized in that the   two side panels (74) are symmetrical with respect to the center of the central panel (73) and have at least two transverse widths different (75, 76).   25. Box (36) according to any one of   claims 20 and 21, characterized in that the   two side panels (47, 48) of the second cut (45) are different.   26. Box (1) according to any one of   claims 18 and 19, characterized in that the   second cut (4) comprises a single panel (14), and the first and second precut portions are each each constituted by at least one   small longitudinal tongue (12).   27. Box (67, 82) according to any one of   claims 18 and 19, characterized in that the   second cut (59, 85 ') comprises at least four panels respectively connected to each other by fourth fold lines parallel to the second fold lines of the first cut, and an end bonding tab, the four panels comprising a set of flaps located on the side opposite the first cut.   28. Box (82) according to claim 27, characterized in that the second cutout (59) comprises eight panels, namely four main panels (60) and four intermediate panels (61) intended to form cut corners of said box to eight sides, the first cut comprising a rectangular central flap with cut corners or octagonal, said central flap comprising on either side two transverse flaps (54) each provided on either side with a set of two flaps end connected to said transverse flaps or adjacent end flaps by sixth fold lines parallel to each other forming the angles at cut corners of the tray.   29. Cash register according to any one of   claims 18 to 23, characterized in that the   pre-cut portions start at an angle from the junctions between the first and second lines of   outward folding of the first cut.   30. Cash box according to any one of   claims 18 to 29, characterized in that the   pre-cut portions belong to the first cutting.   31. Cash box according to any one of   claims 18 to 29, characterized in that the   pre-cut portions belong to the second cut. 32. Cash box according to any one of   claims 18 to 31, characterized in that the   precut portions are cut along an open line. 33. Cash box according to any one of   claims 18 to 32, characterized in that it   there are two symmetrical precut portions by relative to the center of the package.   34. Process for the production of a box (1, 18, 36, 67, 68, 82, 91, 110, 118, 127) for packaging with a polygonal section from two cutouts of corrugated sheet material, namely a first cut (3, 20, 37, 51, 69, 85, 96, 111,, 153) suitable for forming a display tray and a second cut (4, 27, 45, 59, 72, 85 ', 100 , 112, 123, 142, 155) suitable for forming the upper part of the body, characterized in that one of the cutouts comprising at least two pre-cut portions (12, 24, 43, 66, 75, 76, 78, 84 , 99, 115, 121, 128) in said cut-out characterized in that, said portions are glued flat, one of said portions belonging to one of the cut-outs is applied flat on the other portion, the set of cut-outs is wound up as secured around a volume of determined dimensions, then the other portion, previously glued, is applied to the other cut after winding and folding around said volume , so as to form said packing case, the display tray of which can be detached manually from the upper part of the case by simple pulling of one of the cutouts towards the outside of the case to   proximity of said precut portions.   35. A method for producing a packaging case according to claim 34, from a set of blanks according to any one of claims 1 to 17.   36. Machine (150) for producing a polygonal section packing case from two cutouts of corrugated sheet material, namely a first cutout (3, 20, 37, 51, 69, 85, 96, 111, 130, 153) suitable for providing a display tray and a second cutout (4, 27, 45, 59, 72, ', 100, 112, 123, 142, 155) suitable for forming the upper part of the box , characterized in that one of the cutouts comprising at least two pre-cut portions (12, 24, 43, 66, 75, 76, 78, 84, 99, 115, 121, 138) in said cut-out located respectively on the right and other of said cutout, with respect to a longitudinal axis, said machine comprises - means (162) for gluing said determined portions, - means (152, 154, 156) for positioning the cutouts one on the other to allow the bonding of a first of said precut portions on the other cut, the fold lines of one of the cutouts being placed in relation port to the fold lines of the other cut to allow winding around a volume of determined dimensions, - application means (157) for fixing by gluing said first precut portion on the other cut, - and means (160, 164, 165) for forming the box by winding and folding down the cutouts thus secured around a volume (160) of determined dimensions for fixing only by gluing. 37. Machine according to claim 36, characterized in that the volume of determined dimensions is a mandrel (160) of polygonal section. 38. Machine according to claim 36, characterized in that it is arranged so that the volume of determined dimensions is constituted by the products to be packaged.   39. Machine according to any one of   claims 36 to 38, characterized in that it   has two feed magazines (152, 154) arranged on either side of the forming machine cutouts.