EP1171355B1 - Crate, set of blanks, method for opening a crate and method and machine for the production of said crate - Google Patents

Abstract

The invention relates to a crate (1), a set of blanks, a method for opening the crate, and a method and machine for the production of said crate comprising a tray (2) and a lid (3). The crate (1) comprises a first transversal side wall (4) which can be manually torn by a user from the rest of the crate. The other side walls (15) of the tray are exclusively fixed to the other side walls of the lid by one or several partially pre-cut portions (16, 17) and/or several glueing points enabling the walls to be dismantled by manually moving them apart and exerting a force in a perpendicular position to said walls.

Description

The present invention relates to a box two-piece packaging of the type comprising two cutouts made of cardboard or cardboard corrugated, namely a first cut forming a tray and a second cut forming a part top or cover for the crate, nested with said tray.

It also relates to a set of blanks to obtain such a packing box as well as processes and a machine manufacturing the crate from the set of blanks.

The invention also relates to an opening process such a fund.

The present invention finds an application particularly important although not exclusive in the field of packaging for rigid products (jars, boxes ...) or semi rigid (bags ...), making it easy to present products to outside of their transport packaging so immediate, clean and attractive, especially on shelves of department store shelves.

We already know (EPO 637 548) crates packaging of the type described above allowing a quick disconnect from the top of the box in relation to the lower part.

Such boxes, however, have the disadvantage of not allowing to remove easily, quickly and completely all packaging products, to be presented aligned on a shelf.

The present invention aims to provide a box and a set of cuts answering better than those previously known to the requirements of the practice in particular that it authorizes the complete removal of the tray and the lid of the packaging by some simple movements, without touching products, which completely eliminates packaging of products and thus authorizes a impeccable presentation, immediate and in one all products contained in the packaging on the shelves in the shops.

The box is moreover mountable in automatic with strong rate (over twenty cases / min) while having a great solidity, the crates as well obtained by the invention being otherwise easily stackable on pallet.

For this purpose the present invention proposes in particular a two-part packing case of the type described above, characterized
in that the box has a first transverse side wall arranged to be grasped by a user, connected to the rest of the box by partially precut junction lines allowing manual tearing by the user of said first wall relative to the rest of the box; the box,
and in that one or the other side walls of the tray are only fixed respectively to one or to the other side walls of the lid by one or more partially pre-cut portions and / or one or more bonding points allowing separation between walls by spacing Manual obtained by exerting a force perpendicular to the walls.

Per partially pre-cut portion (or also sometimes here after say more simply pre-cut portions) means a portion frangible that only stands by a few points or attachment parts with the rest of the cutout and which is therefore easily disconnected from the cutting, by traction perpendicular to the plane of said cut.

The portion or portions partially precut and / or the bonding point or points are arranged to have a good resistance in the vertical direction, that is to say as long as the efforts are exerted essentially in the plane of the walls.

This resistance is particularly perfectly sufficient to allow the transport of the products even if the packaging is grasped by the lid.

If, on the other hand, the spreading force exerted walls is frankly perpendicular to the walls, these then become disconnected easily manually, without delamination of the cardboard, for example with a force of the order of 5 to 10 Newtons, advantageously and for example after passing a hard point requiring an extra effort of some Newtons from the user, using for example his thumb as a foil and / or lever arm to pass this hard point.

In addition, it should be noted that as long as the first side wall of the crate is not snatched manually by the user, the tray and the lid retain their rigidity, which does not allow any gap or yawn between tray and lid, moreover advantageously still prevented by the hard point or points mentioned above.

Nesting between tray and lid can be internal or external, that is to say with the walls of the tray located externally to the lid or internal to the lid.

Advantageously the first side wall transverse is formed by the collage one on the other of two first side walls, respectively of the lid and the tray.

The first side walls of the tray and of the cover, which are here fixed together by a classical solid bonding, for example by strips of "hot melt" glue, also ensure a good rigidity of the box, without possibility of separation, except by delamination of the board.

Collage point collage, like partially pre-cut portions that snap easily from the rest of the cutout to which they originally belong excludes by cons the delamination.

To be entered manually, the first wall transversal side of the body contains or is for example secured to input means.

According to the embodiment of the invention more particularly described here these input means and the partially precut junction lines of the first transverse side wall are in particular provided for the removal of said first side wall of the body by a user by fully releasing the feet of products.

Partially pre-cut junction lines of the first side wall with the rest of the packaging coincide advantageously with the edges of the box, between walls, bottom and lid.

Also advantageously only the line of junction partially precut of the first transverse lateral wall of the crate with the bottom coincides with the corresponding edge and / or only partially precut junction lines with the adjacent sidewalls of the first wall lateral coincide with the corresponding edges.

The user, who can enter for example to full hand the side wall to pull off, exerts a more pulling force than force spacing to separate the portions partially precut, for example a force of traction from one to four kilograms.

Advantageously, it is a whole side face or substantially a whole side face (i.e. less than 70% of the face) which is tear-off, for example advantageously at once by vertical pull or horizontal, or two shots per draw horizontally on each side, the foot of the products being always clean to be cleared on the side of said face tear.

Advantageously the junction lines partially precut (also below) sometimes called more simply junction lines pre-cut) are initially, or later, cut to present a first hard point, due to a more large length of cut cardboard portions, then a more fragile part with longer pre-cut parts, possibly consolidated by one or two intermediate hard points additional, and ending for example by a part easier to tear off.

Splitting the pulling efforts allows to better guarantee the non-separation of the first side wall in case of side impacts and / or unforeseen efforts on the fund.

Such provisions also allow, after tearing of the first wall of the packaging and splitting of glue points or portions partially precut, for example also connected to the rest of the cut that carries them through pre-cut lines with one or more hard points, to remove the tray without the products while the user holds the lid in place on the products, then remove the lid of the products, for example by lifting it slightly and / or sliding horizontally along the products.

• la ligne de jonction supérieure partiellement prédécoupée de la première paroi latérale de la caisse avec le couvercle est située sur le couvercle, ou encore coïncide avec l'arête de la face supérieure du couvercle ;
• la ligne de jonction supérieure partiellement prédécoupée de la première paroi latérale de la caisse avec le couvercle est située sur ladite première paroi, ce qui laisse un bandeau supérieur solidaire du couvercle après arrachage.

In advantageous embodiments, one and / or the other of the following provisions is also used:

• the upper, partially pre-cut, junction line of the first side wall of the box with the lid is located on the lid, or coincides with the edge of the upper face of the lid;
• the upper junction line partially pre-cut from the first side wall of the box with the cover is located on said first wall, leaving an upper band secured to the cover after tearing.

Such a provision will allow a blockage of the upper part of the products when the removal of the tray under the feet of products, which in some cases could have been unbalance and fall backward;

• les moyens de saisie de la première paroi de la caisse comporte une poignée, par exemple constituée par un évidement centré sur la ligne de jonction supérieure de ladite paroi ;
• la ou les portions partiellement prédécoupées et/ou points de collage entre barquette et couvercle appartiennent à la seconde paroi latérale transversale de la caisse, opposée à la première paroi latérale transversale arrachable ;
• le couvercle est imbriqué dans la barquette ;
• la caisse comporte au moins deux portions partiellement prédécoupées ou points de collage respectivement situés de part et d'autre sur les parois latérales longitudinales de la caisse ;
• la ou les portions partiellement prédécoupées appartiennent à la barquette ;
• la ou les portions partiellement prédécoupées sont prédécoupées selon une ligne ouverte, ou selon une ligne fermée ;
• la première découpe comprend une suite de trois volets, à savoir un volet central formant le fond de la barquette relié latéralement par des premières lignes de pliage à deux volets latéraux formant au moins en partie les parois latérales longitudinales de ladite barquette, ladite suite comprenant au moins un rabat transversal situé d'un côté desdits volets auxquels il est relié par au moins une deuxième ligne de pliage partiellement prédécoupée perpendiculaire aux premières lignes de pliage, ledit rabat transversal formant au moins en partie la première paroi latérale transversale de la barquette ;
• chaque volet latéral comprend deux portions partiellement prédécoupées ;
• la seconde découpe comporte trois panneaux, à savoir un panneau central rectangulaire formant la face supérieure du couvercle de la caisse reliée latéralement par des troisièmes lignes de pliage à deux panneaux latéraux formant au moins en partie les parois latérales de la caisse, solidarisées avec la première découpe respectivement pour l'une via la ou lesdites portions partiellement prédécoupées latérales, ou lesdits points de collage, et pour l'autre via des lignes de collage ;
• la seconde découpe comporte deux jeux de rabats latéraux situés de part et d'autre desdits panneaux, auxquels ils sont reliés par des quatrièmes lignes de pliage situées en vis-à-vis desdites deuxièmes lignes de pliage de la première découpe, les quatrièmes lignes de pliage entre rabat et un des panneaux latéraux étant partiellement prédécoupées ;
• la seconde découpe comporte au moins quatre panneaux respectivement reliés entre eux par des quatrièmes lignes de pliage parallèles aux deuxièmes lignes de pliage de la première découpe, et une languette de collage d'extrémité, les quatre panneaux comprenant un jeu de rabats situé du côté opposé à la première découpe ;
• chaque volet de la première découpe comporte un rabat transversal à savoir un rabat central relié au volet central et formant une portion partiellement prédécoupée de fond, et deux rabats latéraux reliés aux volets latéraux et collés sur ledit rabat central.

The band left can also be large.

• the gripping means of the first wall of the box comprises a handle, for example constituted by a recess centered on the upper connecting line of said wall;
• the one or more partially precut portions and / or bonding points between the tray and the lid belong to the second lateral transverse wall of the box, opposite to the first transverse transverse tear-off wall;
• the lid is nested in the tray;
• the body comprises at least two portions partially precut or bonding points respectively located on either side of the longitudinal side walls of the body;
• the partially pre-cut portion or portions belong to the tray;
• the partially pre-cut portion or portions are precut along an open line, or along a closed line;
• the first cut comprises a sequence of three shutters, namely a central flap forming the bottom of the tray connected laterally by first folding lines with two lateral flaps forming at least partly the longitudinal side walls of said tray, said suite comprising at least at least one transverse flap on one side of said flaps to which it is connected by at least one second partially precut fold line perpendicular to the first fold lines, said transverse flap at least partly forming the first transverse side wall of the tray;
• each side panel comprises two portions partially precut;
• the second cutout comprises three panels, namely a rectangular central panel forming the upper face of the crate cover laterally connected by third fold lines to two side panels forming at least partly the side walls of the body, secured to the first cutting respectively for one via the one or more portions partially pre-cut side, or said bonding points, and the other via bonding lines;
• the second cutout comprises two sets of side flaps located on either side of said panels, to which they are connected by fourth fold lines located opposite said second fold lines of the first cut, the fourth lines of folding between flap and one of the side panels being partially precut;
• the second cutout comprises at least four panels respectively interconnected by fourth fold lines parallel to the second fold lines of the first cut, and an end gluing tab, the four panels comprising a set of flaps located on the opposite side at the first cut;
• each flap of the first cutout comprises a transverse flap namely a central flap connected to the central flap and forming a partially pre-cut bottom portion, and two side flaps connected to the side flaps and glued to said central flap.

The invention also relates to a set of cuttings for the manufacture of a crate such as described above.

The invention also relates to a set of blanks characterized in that it comprises two cutouts respectively formed each of a shutter or a central panel and flaps or side panels, namely a first cutout intended to form a tray and a second cutout intended to form the lid of the box,
the first cut comprising a second transverse flap or at least one lateral flap connected to the central flap, and arranged to be secured to an adjacent side panel by means of at least a partially pre-cut portion belonging to one of the blanks and glued to the other cut,
and a first transversal flap connected on the other side to the central flap by a partially pre-cut junction line,
and in that a side panel of the second cutout is adapted to be glued to the first transverse flap and is connected to the central panel by a partially pre-cut junction line.

Advantageously, the lateral flaps of the first cutout each include a flap, respectively connected to the corresponding flap by a folding line partially precut on the side of the first flap transverse.

Advantageously, the side panel connected to the bottom by a partially pre-cut junction line has two flaps connected to said side panel by partially precut fold lines.

In an advantageous embodiment the first cutting comprises at least one flap partially precut and the second cut at least four panels one of which is connected to its two adjacent panels by partially precut fold lines, equipped with a flap connected directly or by through a panel portion forming headband, said panel intended to form the first vertical wall of the bottom of the box, by a line partially precut bending.

Advantageously, the second cutout comprises four panels one of which is connected to its two adjacent panels by partially precut fold lines.

The invention also relates to a method the opening of a cashier, and the shelving of the product it contains, characterized in that manually pulls a transverse wall from the crate, we manually separate the walls and the lid of the bottom box, we draw the bottom to the horizontal to release the bottom of products that are on, then remove the cover to release entirely the products it contains.

• on arrache manuellement, par exemple d'un coup, la première paroi latérale transversale,
• on désolidarise manuellement les parois du reste de la barquette des parois du reste du couvercle, une ou plusieurs desdites parois étant uniquement fixées entre elles par l'intermédiaire de portions de parois partiellement prédécoupées, ou par points de collage aisément désolidarisables,
• on tire à l'horizontal la barquette pour libérer la barquette des produits qui sont dessus,
• puis on enlève le couvercle pour libérer entièrement les produits 'qu'il contient.

More particularly, the invention also relates to a method of opening a box polygonal section formed from two blanks of cardboard sheet material or corrugated cardboard, namely a first cut proper to form a tray and a second cut adapted to form the lid of the box, said box being filled with rigid or semi-rigid products, characterized in that the box having a first transverse side wall connected to the rest of the package by partially precut junction lines allowing the uprooting:

• the first transverse lateral wall is torn off manually, for example suddenly,
• the walls of the remainder of the tray of the walls of the remainder of the lid are separated manually, one or more of said walls being fixed only to one another by means of portions of walls partially precut, or by easily removable bonding points,
• the tray is pulled horizontally to free the tray from the products on it,
• then the lid is removed to completely release the products it contains.

Advantageously, the lid comprising a headband after tearing off the first side wall crosswise, the lid is rotated towards the top to clear the headband with respect to the products before pulling the lid horizontally.

The present invention also provides a two-part packing case comprising two blanks made of cardboard sheet or corrugated cardboard material, namely a first blank forming a tray and a second blank forming an upper part of the box nested with said tray, the first cut and second cut being connected by means allowing their separation constituted by at least a partially pre-cut flap portion in one of said cutouts, characterized in that
the box has a first transverse side wall formed by two flaps respectively belonging to each cutout arranged to be grasped by a user and connected to the rest of the box by partially precut junction lines allowing manual tearing by the user of said first wall relative to the rest of the box.

Advantageously, each cutout comprises a sequence of four main components completed by a fastening tab, said main shutters and said tongue being connected to each other via first parallel parallel lines to others, directly or through secondary flaps, and a set of first flaps sides arranged on one side of said flap sequence and connected to it by second fold lines perpendicular to said first fold lines and intended to form at least partially for one the bottom of the tray and for the other the top of the upper part of the checkout.

Advantageously the portion or portions partially pre-cut are replaced by one or more sticking points allowing a separation between shutters or walls by manual spacing obtained by exerting a force perpendicular to the walls.

Remember that per pre-cut portion or partially precut means a portion frangible that only stands by a few points or attachment parts with the rest of the cutout and which is therefore easily disconnected from the cutting, by traction perpendicular to the plane of said cut.

Advantageously, the fastening tongue of the second element extends along only one part of the side edge of the adjacent flap to which it is connected, above the fixing tongue of the first element.

In another advantageous embodiment, the main components are separated from each other by secondary shutters to form a box to eight sides, with cut corners.

The present invention also proposes a set of blanks for packing cases, comprising two elements that are manually separable from each other and arranged to be inserted into one another, respectively formed from blanks made of sheet material. cardboard or corrugated cardboard, namely a first cut proper to form a display tray and a second cut to own the upper part of the box, each element comprising a sequence of four main components terminated by a fastening tab, said main shutters and said tongue being connected to each other via first folding lines parallel to each other, directly or through secondary flaps, and a set of first side flaps arranged on one side of said series of main flaps and connected to it by second fold lines perpendicular to said first fold lines and destiny to form at least partially for one the bottom of the first tray member and for the other the top of the second element, the two elements being arranged to be interconnected by at least one pre-cut flap portion in one of said shutters; main part of the first element, said outer flap, said portion being fixed to the corresponding main flap vis-à-vis the second element, said inner flap, characterized
in that a transverse flap of the first blank and a transverse flap of the second blank are connected to the corresponding flap and adjacent flaps by pre-cut junction lines.

In advantageous embodiments, there are more use of the different provisions described above with reference to the box according to the invention.

The invention also proposes a set of cuttings, characterized in that it comprises two cutouts respectively formed each of three shutters, namely a first cut intended for forming a tray and a second cutout to form an upper part, said cutouts being interconnected solely by through two pre-cut portions belonging to one of the cuts and glued to the other cutting.

Advantageously, the two cuts are folded to flat on top of each other.

It also proposes a box obtained with such set of cuts, by tunneling said bonded together via said portions precut parts belonging to the end flaps.

The invention also proposes a method for realization of a packing box section polygonal from two cuts of material made of sheet of corrugated cardboard, namely a first clean cut to form a display rack and a second cut proper to form the part upper case of the type described above.

It also proposes, and more precisely, a method for producing such a packaging box from two cuttings, characterized in that,
one of the cuts comprising at least two pre-cut portions in said cutout,
these portions are flattened flat,
one of said portions is flattened on the other cutout,
the set of cutouts thus secured around a volume of predetermined dimensions is wound up,
then the other pre-glued portion is applied to the other cut after winding and folding around said volume, so as to form said packing case whose display tray is manually disconnectable from the upper part of the body by simply pulling the one of the cutouts to the outside of the box near said pre-cut portions.

In an advantageous embodiment, the volume of determined dimension is a mandrel.

Advantageously also, the method implemented regards two cuts such as the first cut includes a three-part suite, namely a component central clean to form the bottom of the bound tray laterally by first folding lines to two side flaps suitable for forming at least part two longitudinal side walls of said container, said suite comprising at least one set of transverse flaps on one side of said flaps to which it is connected by second lines of folding perpendicular to the first lines of folding, and intended to form at least partly a transverse side wall of said tray, and the second cutout comprises at least one panel.

• des moyens d'encollage desdites portions déterminées,
• des moyens de positionnement des découpes l'une sur l'autre, pour permettre le collage d'une première desdites portions prédécoupées sur l'autre découpe, les lignes de pliage de l'une des découpes étant placées par rapport aux lignes de pliage de l'autre découpe pour permettre l'enroulement autour d'un volume de dimensions déterminées,
• des moyens d'application pour fixation par collage de ladite première portion prédécoupée sur l'autre découpe,
• et des moyens de formation de la boíte par enroulement et rabattement des volets, panneaux et rabats des découpes ainsi solidarisée autour dudit volume de dimensions déterminées pour fixation uniquement par collage.

The invention also proposes a machine for producing a packing box with a polygonal section from two cuts made of corrugated sheet material, namely a first cut adapted to provide a display tray and a second cut specific to form the upper part of the box,
characterized in that, one of the cuts comprising at least two pre-cut portions in said cutout respectively located on either side of said cut, with respect to a longitudinal axis, said machine comprises

• sizing means of said determined portions,
• means for positioning the cutouts on one another, to allow the gluing of a first of said precut portions to the other cutout, the fold lines of one of the cutouts being placed relative to the fold lines of the other cut to allow the winding around a volume of determined dimensions,
• application means for bonding said first precut portion to the other cut,
• and means for forming the box by winding and folding flaps, panels and flaps cuts thus secured around said volume of dimensions determined for fixing only by gluing.

Advantageously the machine comprises two stores feeding devices on both sides of the cutting machine.

Advantageously the volume of dimensions predetermined is a mandrel, for example at eight sides.

The invention also proposes a setting machine of the process described above from the set of cuts also previously described.

les découpes étant uniquement solidarisées entre elles par une ou plusieurs portions prédécoupées,

• on désolidarise manuellement la barquette de la partie supérieure de la caisse par arrachage au niveau des parties prédécoupées,
• on tire à l'horizontal la barquette pour libérer la barquette et les produits qui sont dessus,
• puis on tire également à l'horizontal la partie supérieure pour libérer entièrement les produits qu'elle contient.

It also proposes a method of opening a box with a polygonal section formed from two blanks of corrugated sheet material, namely a first cut to form a clean display tray and a second cut to form the upper part of the body, said body being filled with rigid or semi-rigid products,
characterized in that

the cuts being only secured together by one or more pre-cut portions,

• manually disassociate the tray from the upper part of the box by tearing at the pre-cut parts,
• we draw the tray horizontally to release the tray and the products on it,
• then the upper part is pulled horizontally to completely release the products it contains.

In other words we pull the tray under the feet same products that will be able to stay alone on the shelf.

Advantageously the pulls are the same side.

It also proposes a method of opening a crate according to the embodiments described above where the upper part and the tray are removed by pulling them in succession and horizontally, from above and from below products contained in the fund.

The invention also proposes a two-part packing case comprising two cuttings made of cardboard or corrugated cardboard material, namely a first cut forming a display tray and a second cut forming an upper part of the nested crate at the same time. inside said tray, characterized in that the tray has two transverse vertical walls, namely a first transverse wall manually detachable by simply pulling outwards, vertical longitudinal walls of said tray and / or the vertical wall of said portion; upper body opposite, said first transverse wall being entirely detachable from the bottom of the tray, or remettable flat in the extension of the bottom of the tray without creating extra thickness of cardboard, and a second transverse wall clean to be entered by an operator,
and in that the longitudinal vertical walls of the tray are secured to the vertical walls of the upper portion vis-à-vis only by one or more side-cut portions manually separable by simple pulling, and / or one or more bonding points manually removable by simple pulling.

• la seconde paroi transversale de la barquette est munie d'une poignée ou d'un évidement de préhension ;
• la partie supérieure comporte une face transversale d'extraction munie d'une poignée ou d'un évidement de préhension ;
• les portions prédécoupées latérales appartiennent à la première découpe ;
• les portions prédécoupées latérales sont découpées selon une ligne ouverte.

In advantageous embodiments, one or both of the following provisions are also used:

• the second transverse wall of the tray is provided with a handle or a gripping recess;
• the upper part has a transverse extraction face provided with a handle or a gripping recess;
• the side precut portions belong to the first cut;
• the side precut portions are cut along an open line.

Advantageously they are with one side completely cleared towards the first wall cross.

• la première découpe comprend une suite de trois volets, à savoir un volet central propre à former le fond de la barquette relié latéralement par des premières lignes de pliage à deux volets latéraux formant au moins en partie les parois verticales longitudinales de ladite barquette, ladite suite comprenant au moins un rabat transversal de fond situé d'un côté desdits volets auxquels il est relié par au moins une deuxième ligne de pliage perpendiculaire aux premières lignes de pliage, ledit rabat transversal de fond formant au moins en partie la première paroi transversale de fond de ladite barquette,
• la seconde découpe comporte trois panneaux, à savoir un panneau central formant la face supérieure de la partie supérieure de la caisse, relié latéralement par des troisièmes lignes de pliage à deux panneaux latéraux formant au moins en partie les parois latérales de la caisse pour être solidarisées avec les volets latéraux de la première découpe via lesdites portions prédécoupées latérales, ou les points de collage.

Thus, when the tray will be erased by horizontal pulling under the feet of the products, the pre-cut portions which remain glued on the upper part will not encounter obstacles, facilitating or allowing the horizontal extraction.

• the first cut comprises a series of three parts, namely a central flap adapted to form the bottom of the tray connected laterally by first fold lines with two lateral flaps at least partly forming the longitudinal vertical walls of said tray, said following comprising at least one transverse bottom flap located on one side of said flaps to which it is connected by at least one second fold line perpendicular to the first fold lines, said bottom transversal flap forming at least in part the first transverse bottom wall of said tray,
• the second cutout comprises three panels, namely a central panel forming the upper face of the upper part of the body, connected laterally by third fold lines to two side panels forming at least partly the side walls of the body to be joined together with the lateral flaps of the first cutout via said lateral precut portions, or the gluing points.

Advantageously the panels include two games side flaps on either side of said panels, to which they are connected by fourth fold lines located opposite said second fold lines of the first cut.

• les portions prédécoupées latérales sont découpées selon une ligne fermée ;
• les portions prédécoupées latérales appartiennent aux panneaux latéraux de la seconde découpe.
• il existe deux portions prédécoupées latérales symétriques par rapport à l'axe longitudinal de l'emballage ;
• il existe quatre portions prédécoupées latérales symétriques deux à deux par rapport à l'axe longitudinal de l'emballage ;
• la seconde découpe comporte au moins quatre panneaux respectivement reliés entre eux par des quatrièmes lignes de pliage parallèles aux deuxièmes lignes de pliage de la première découpe, et une languette de collage d'extrémité, les quatre panneaux comprenant un jeu de rabats situé du côté opposé à la première découpe ;
• les portions prédécoupées latérales partent en biais à partir des jonctions entre première et deuxième lignes de pliage vers l'extérieur de la première découpe, par exemple avec un angle compris entre 5 et 30° par rapport à la première ligne de pliage correspondante ;
• la partie supérieure comporte une paroi verticale de fond séparée ou séparable des parois longitudinales par des lignes de pliage verticales prédécoupées, le volet central de la barquette comportant un rabat transversal central relié audit fond par une ligne de pliage prédécoupée et collé à ladite paroi verticale de fond.

Advantageously, the fourth fold lines are offset with respect to the second fold lines, a thickness of cardboard inwardly to better allow the upper part of the box to be placed inside the tray;

• the side precut portions are cut along a closed line;
• the side precut portions belong to the side panels of the second cut.
• there are two portions pre-cut lateral symmetrical with respect to the longitudinal axis of the package;
• there are four side precut portions symmetrical two by two with respect to the longitudinal axis of the package;
• the second cutout comprises at least four panels respectively interconnected by fourth fold lines parallel to the second fold lines of the first cut, and an end gluing tab, the four panels comprising a set of flaps located on the opposite side at the first cut;
• the lateral precut portions extend obliquely from the junctions between the first and second folding lines towards the outside of the first blank, for example with an angle of between 5 and 30 ° with respect to the corresponding first fold line;
• the upper part comprises a vertical bottom wall separated or separable from the longitudinal walls by pre-cut vertical folding lines, the central flap of the tray having a central transverse flap connected to said bottom by a pre-cut fold line and glued to said vertical wall of background.

• chaque volet de la première découpe comporte un rabat transversal de fond, à savoir un rabat central relié au volet central et muni de deux portions prédécoupées de fond et deux rabats latéraux reliés aux volets latéraux et collés sur lesdites portions prédécoupées de fond.

Such an arrangement allows the complete and simultaneous tearing of the bottom walls of the tray and the upper part, completely releasing an outer face of the products contained in the box, which allows the removal of the tray and the upper part by horizontal pull.

• each flap of the first cutout comprises a bottom transverse flap, namely a central flap connected to the central flap and provided with two pre-cut portions of bottom and two side flaps connected to the side flaps and glued to said pre-cut bottom portions.

Such an arrangement allows the central flap of bottom of being laid flat without presenting any thickness of the board compared to the bottom, the pre-cut portions remaining glued to the flaps sideways that fade to the side in the extension of the vertical longitudinal walls of the tray.

Advantageously, the upper part comprises a transverse vertical wall, bottom, formed of three flaps, two with bellows, connected to the third.

In other words, two side flaps, belonging to respectively to the side panels of the second each cut has a 45 ° fold line starting from the fourth fold lines to the outside from the junction between third and fourth fold lines;

Such a provision will allow the conformation Automatic tunnel flaps that can slide horizontally on the load of the crate allowing so the extraction of the upper part of the box to the horizontal and not only from above as in the prior art.

The invention also proposes a set of cutouts to obtain a box of the type described above.

The invention also proposes a set of cut-outs for the manufacture of a box, characterized in that it comprises two cutouts formed respectively of a component or a central panel and two shutters or panels side, namely a first cut intended for forming a tray and a second cutout to form an upper part of the body, said cuttings being adapted to be joined between they by their shutters and side panels respective only through at least two pre-cut side portions belonging to one of the cutouts and fit to be glued to each other cutting.

Advantageously, the central component of the first cutout includes a central flap in the extension of said bottom provided with two portions pre-cut bottom, and the side flaps of the first cutout each include a side flap to be stuck respectively on said pre-cut portions of the bottom.

Also advantageously the central panel of the second cutout includes a central flap in the extension of said panel provided with two portions pre-cut of lid and the side panels of the second cutout each include a flap lateral clean to be stuck respectively on said pre-cut portions of the lid.

In an advantageous embodiment, the first cut and the second cut out include each a game of one or more flaps, said games being respectively connected to shutters and panels corresponding by precut folding lines.

In another advantageous embodiment the first cut includes three pre-cut flaps and the second cuts out at least four panels including one provided with a flap connected to said panel intended to form the bottom of the crate by a fold line Pluck.

The present invention will be better understood in reading of the following description of modes of realization given by way of non-limiting examples.

• La figure 1 est une vue en perspective d'une caisse selon un premier mode de réalisation de l'invention, avec bandeau.
• La figure 2 est une vue en perspective du couvercle de la caisse de la figure 1 après arrachage de la première paroi latérale transversale et enlèvement de la barquette.
• La figure 3 est une vue en plan de l'ensemble de découpes, désolidarisées, permettant d'obtenir une caisse du type de celle de la figure 1.
• La figure 4 est une vue en plan d'un ensemble de découpes selon un autre mode de réalisation de l'invention, montrant trois variantes de ligne de jonction supérieure partiellement prédécoupée.
• Les figures 5 et 6 sont des vues schématiques, latérales montrant l'ouverture de la caisse de la figure 1, avec bandeau.
• Les figures 7 à 12 montrent un mode de réalisation du procédé d'ouverture d'une caisse selon l'invention.
• La figure 13 est une vue en plan d'un ensemble de flans selon le mode de réalisation de l'invention correspondant aux figures 7 à 12.
• la figure 14 est une vue en perspective d'un ensemble de découpes selon un autre mode de réalisation de l'invention à quatre volets, avant assemblage.
• La figure 15 est une vue en perspective de la boíte, couvercle et fond ouvert obtenu avec les découpes de la figure 14.
• La figure 16 est une vue en perspective de la figure 15 selon l'invention, après collage.
• La figure 17 montre la caisse de la figure 16 lors des différentes étapes de son ouverture.
• La figure 18 montre une caisse d'emballage selon un autre mode de réalisation de l'invention à huit côtés.
• La figure 19 est une vue en plan des deux découpes permettant d'obtenir la caisse de la figure 18.
• La figure 20 montre en perspective un autre mode de réalisation d'une caisse à huit côtés selon l'invention.
• Les figures 21 à 23 donnent l'ensemble de découpes, correspondant à la caisse la figure 20, avant et après jonction à plat.
• La figure 24 montre en perspective un autre mode de réalisation d'une caisse présentoir selon l'invention, à petite face arrachable.
• Les figures 25 et 26 montrent en perspective un autre mode de réalisation d'une caisse présentoir selon l'invention lors des différentes étapes de son ouverture.
• Les figures 27 et 28 montrent respectivement les première et seconde découpes correspondant à la caisse des figures 25 et 26.
• Les figures 29 et 30 montrent respectivement une variante des seconde et première découpes, correspondant à une autre caisse selon l'invention.
• Les figures 31 et 32 montrent en perspective le mode de réalisation de la caisse présentoir selon l'invention correspondant aux découpes des figures 29 et 30 lors des différentes étapes de son ouverture.
• La figure 33 est un schéma synoptique en perspective de la mise en volume, du remplissage et de la mise en rayon d'un emballage selon un autre mode de réalisation de l'invention.
• Les figures 34 et 35 montrent un autre schéma synoptique en perspective de la mise en volume, du remplissage et de la mise en rayon d'un emballage selon un autre mode de réalisation de l'invention.
• La figure 36 est une vue schématique, en perspective, d'un premier mode de réalisation d'une machine selon l'invention.
• La figure 37 est une vue éclatée en perspective d'une première partie de la machine de la figure 36.
• La figure 38 est une vue latérale d'un schéma de fonctionnement mécanique montrant les différentes étapes d'un mode de réalisation du procédé selon l'invention
• Les figures 39 et 40 sont des vues en perspective de la deuxième partie de la machine de la figure 36, montrant l'enroulement autour d'un mandrin, puis le rabattement sur le fond du mandrin avant éjection de la caisse.

The description refers to the accompanying drawings in which:

• Figure 1 is a perspective view of a box according to a first embodiment of the invention, with strip.
• Figure 2 is a perspective view of the cover of the body of Figure 1 after tearing of the first transverse side wall and removal of the tray.
• FIG. 3 is a plan view of the set of cut-outs, disengaged, making it possible to obtain a box of the type of that of FIG. 1.
• FIG. 4 is a plan view of a set of blanks according to another embodiment of the invention, showing three variants of a partially pre-cut upper junction line.
• Figures 5 and 6 are schematic side views showing the opening of the box of Figure 1, with strip.
• Figures 7 to 12 show an embodiment of the method of opening a box according to the invention.
• FIG. 13 is a plan view of a set of blanks according to the embodiment of the invention corresponding to FIGS. 7 to 12.
• Figure 14 is a perspective view of a set of blanks according to another embodiment of the invention with four parts, before assembly.
• Figure 15 is a perspective view of the box, lid and open bottom obtained with the cutouts of Figure 14.
• Figure 16 is a perspective view of Figure 15 according to the invention, after gluing.
• Figure 17 shows the box of Figure 16 during the various stages of its opening.
• Fig. 18 shows a packing case according to another embodiment of the eight-sided invention.
• FIG. 19 is a plan view of the two blanks making it possible to obtain the box of FIG. 18.
• Figure 20 shows in perspective another embodiment of an eight-sided box according to the invention.
• Figures 21 to 23 give the set of cutouts, corresponding to the body of Figure 20, before and after junction flat.
• Figure 24 shows in perspective another embodiment of a display case according to the invention, small tear-off face.
• Figures 25 and 26 show in perspective another embodiment of a display case according to the invention during the different stages of its opening.
• Figures 27 and 28 show respectively the first and second cutouts corresponding to the box of Figures 25 and 26.
• Figures 29 and 30 respectively show a variant of the second and first cutouts, corresponding to another box according to the invention.
• Figures 31 and 32 show in perspective the embodiment of the display case according to the invention corresponding to the cutouts of Figures 29 and 30 during the various stages of its opening.
• Figure 33 is a block diagram in perspective of the setting volume, filling and shelving of a package according to another embodiment of the invention.
• Figures 34 and 35 show another block diagram in perspective of the setting volume, filling and shelving of a package according to another embodiment of the invention.
• Figure 36 is a schematic perspective view of a first embodiment of a machine according to the invention.
• Figure 37 is an exploded perspective view of a first portion of the machine of Figure 36.
• FIG. 38 is a side view of a mechanical operating diagram showing the various steps of an embodiment of the method according to the invention
• Figures 39 and 40 are perspective views of the second part of the machine of Figure 36, showing the winding around a mandrel, and the folding on the bottom of the mandrel before ejection of the body.

Figure 1 shows a parallelepiped box 1 in two parts, namely a rectangular tray 2 and a lid 3 formed from cut-outs corrugated sheet material, for example double-sided corrugated board 3 mm thick.

The body has a first side wall transverse 4, tear-off, rectangular or substantially rectangular, formed by gluing one on the other for example by four dashes of hot melt glue, first wall rectangular 5 of the tray and a first rectangular wall 6 of the cover vis-à-vis.

The first wall 6 of the lid is connected to the upper part of the box by a pre-cut line 7 which passes through the wall from one side to the other, for example at 4/5 ^th of the height of the wall, or near the top of the lid , and comprises a recess 7 ', located in the middle of the line, for example formed by a half moon allowing a user to slide two fingers to initiate a tear and then allow him to grasp the wall full hand.

The first wall 5 of the tray is connected to side sides adjacent and at the bottom of the tray either by three fold lines 8, 9 partially pre-cut, which coincide with the edges of the parallelepiped that forms the box, not a single folded precut line 9 'junction with the bottom, as shown on the first cutout of FIG. 3, the other edges 8 'of the first wall being free then.

Partially precut lines (still sometimes called simply in the body of the text, pre-cut lines) are obtained by perforating the dotted cardboard with cut-out blades perforating nets. The dotted lines are therefore defined by alternating perforated lines called cutters, and non-perforated lines called attachment points.

The distance between two attachment points, or in other words length of cut, being called D1 and the distance between two cutting nets, or in other words, length of attachment point, being called D2, a perforating profile is defined by a series of two digits corresponding to D1 and D2.

Depending on the nature and weight of papers, as well as the thickness of the corrugated board, the values of D1 and D2 are varied up to find the best compromise possible to allow easy pulling while maintaining strength sufficient packaging.

Advantageously we will also vary D1 and D2 on the same precut line to create more fragile points or hard points, as described above.

The body 1 also comprises three other rectangular side walls 10, 11 and 12, to know two longitudinal side walls 10 and 11 and a second transverse lateral wall 12.

More specifically, and by also doing reference to Figures 2 and 3, the box consists of two cuts, namely a first cut 13 comprising a central rectangular flap 14 and two side flaps 15, connected by first lines of folding to the central flap 14, each provided with two partially precut portions 16 and 17, rectangular or substantially rectangular one 16 is located at one end of the tray and is free on three sides and the other 17 is located on the side of the other end and is free on two sides.

The junction lines 18 between portions partially precut (again called sometimes more simply in the body of the text, pre-cut portions) and the rest of the cut are for example planned with a larger D1 value than D2.

The tray includes as we saw a first set of flaps 19, which may include two first side flaps (here not shown in Figure 3) and one first side flap 5.

The tray also includes a second set 20 flaps connected to the flaps and / or between them known in itself by second lines of normal folding.

The first flap or flaps are connected to the flaps corresponding and / or to the first main flap, by the second fold lines 8, 9 or 9 ' pre-cut, said flaps being suitable for forming partly the first tear-off wall of the box.

The second cut 21 (see FIG. as for it four rectangular panels 22 and one gluing tab 22 ', connected together to two by third fold lines 23, 23 ', parallel and a set of rectangular flaps 24, 25 identical two by two, suitable for forming the top of the cover, and one of which two 24 is intended to be connected via a strip 26 to the adjacent panel 22 by the partially precut line 7.

Said panel adjacent to the flap is itself connected to its adjacent panels by folding lines pre-cut 23 ', superimposed with lines 8' or 8 of the tray.

The front face formed by the panel 22 glued in lower part on the central flap 5 of the tray, for example by gluing lines 27 (see figure 1), is fully tearable according to the arrow 28, considering the junction lines or edges precut.

Thanks to the gripping hole 7 'provided at the level of the junction line between cover and panel central, it is indeed possible, when the cash is closed and glued, to seize and then tear off a only block the entire front of the crate.

The tray, which can be seized the other side by a handle (not shown), will therefore it can be removed by pulling it horizontally and then the upper or cover, which can be grasped by its part lower located on the other side of the first game tear off 19.

Figure 4 shows a set of cutouts 30 comprising a first cut 31 suitable for forming a rectangular tray, including a shutter central rectangular 32 connected by first fold lines 33 to side flaps rectangular 34, on both sides, and two games 35 and 36 small rectangular flaps, identical, connected to said shutters by second lines of folding 37 and 38 perpendicular to the first lines of folding, namely a game 35 with lines of normal folding 37 and a 36 game with lines of Partially pre-cut bending 38, according to the invention, able to form part of the panel tear.

The cutout set also includes a second cut 40, of lid, formed of three rectangular panels 41, 42 and 43, namely a panel 41 for forming the top of the lid and two panels 42 and 43 for forming the sides transverse of the lid.

The panel 42, intended to form the side transversal bottom of the box, is connected to the central panel by a normal fold line 42 '.

The panel 42 advantageously comprises a handle 45 gripping formed by a recess, and a portion partially precut 46, according to the invention, central, rectangular open on the board edge, glued or otherwise stuck on the 35 flaps game main flap of the first cutting.

Panel 43 is intended to form the first wall of the crate, with the game of flaps 36.

It comprises an upper line of junction 44, 44 'or 44' 'with the top of the lid, partially precut, with a central hole 45 gripping.

Line 44 is located in panel 43 that she crosses from side to side, for example with a slight radius of curvature directed upwards, which allows to leave a band after tearing.

Line 44 ', another embodiment of the upper junction line, is meanwhile confused with the fold line or ridge of the crate, and line 44 '' third mode of realization from each side of an angle of the crate, is then in the top of the lid which is partially torn off at the same time as the panel, and is for example trapezoidal isosceles.

The central panel 41 and the side panels 42 and 43 each have two sets of side flaps rectangles 49, 50 and 51, connected by lines of folding to the corresponding panel.

The set of flaps 49 is connected to the panel 43 to the junction with the upper line of junction 44, 44 'or 44' ', by fold lines 52 partially precut to allow picking.

FIGS. 5 and 6 show the three main steps of opening the crate 1 according to the embodiment of Figures 1 and 2 with headband 26.

First of all, (arrow 28) the panel or first transverse side wall 4.

Then pull the tray 2 (arrow 53) under the feet of the products 54, that the strip 26 prevents tilt retaining the upper portion 55 of said products.

Then we erase the band 26 by rotating by tilting the lid 3, before extracting it (arrow 56) in the horizontal direction.

Figures 7 to 13 show a box 60 and a set of cutouts 61 corresponding.

The assembly 61 comprises a first cut 62 equipped with a rectangular main shutter 63 connected to two lateral flaps 64 symmetrical with respect to the longitudinal axis 65 of said blank, comprising for example two parts of different heights.

Each lateral flap 64 is provided with a portion partially pre-cut 66, for example in the form of diamond and arranged in open border of the periphery of the lateral flap 64, for example at the level of the junction between the two parts of heights different, substantially in the center of the shutter corresponding.

Each component also comprises of other side flap: rectangular, namely a side flaps 67, 68 and the other side the flaps 69, 70. The flaps 69 and 70 are connected to the shutters adjacent by a fold line partially precut 71 and the flaps 67 and 68 by a line normal 72.

The second cut 73 includes three panels, namely a central rectangular panel 74, and two rectangular side panels 75, symmetrical with respect to the longitudinal axis 76 of the cutting.

Each panel has on both sides a rectangular flap.

More specifically, the central panel 74 and the side panels respectively include a side of the rectangular flaps 76 and 77 and the other side of the flaps 78 and 79.

Flaps 78 and 79 are connected to the panel matching by a fold line 80 partially precut.

When opening the cash register, it is therefore possible (see Figure 8) to tear the wall 81 of a block, formed by the flaps 78, 79 of the cover and the flaps 69, 70 of the tray, glued together, that come off because of the fold lines pre-cut, which allows the lateral exit of products 82 by pulling horizontally on the part upper or lid as indicated by the arrow 83 in Figure 11, after stain portioning partially precut 66 by lateral spacing (arrow 84, Figure 9).

We will now describe the opening process of a box according to the advantageous embodiment of the invention, with reference to Figures 7 to 12.

The operator tears up all of the face before 81 of the box, the latter being connected to the rest of the packaging both at the tray, at the level of the upper part only by pre-cut folding lines.

Then the side flaps of the tray are disconnected with the thumbs (Figure 9), the pre-cut portions 66 remaining glued to the panels Lateral 75

The tray is then pulled under the product by through the handle 85.

Finally the upper part is also drawn horizontally (arrow 83, figure 11), for example to using a recess practiced, in the back side (not shown)

Figures 14, 15, 16 and 17 show a set 101, or different elements of a set, of cut-outs of double-faced corrugated cardboard sheets, for example 2 mm thick, to form a checkout 106.

For these figures, the same numbers will be used reference for designating cash elements and / or identical cuts or occupying the same position.

This assembly 101 comprises a first cut 102 to form the tray and a second cut 103 to form the lid of the box.

The second cut is superimposed, flat, at the first cut, and fit to form a belt internal of the box, once it formed.

The first blank 102 comprises a sequence of four components, namely two so-called lateral flaps 104 and 104 'arranged alternately with two shutters said 104 '' and 104 '' ', the shutters being connected between them by first folding lines 105 and 105 'parallel to each other and represented respectively in phantom and dashed lines interrupted in Figure 14, the sequence of shutters being suitable for forming the outer walls of the tray 106 with four sides (see Figure 16).

More specifically, the flaps 104 and 104 'are of Trapezoidal rectangle shape.

They are symmetrical compared to the facial flap 104 '', which forms the back side of the container and which is taller than the rectangular facial flap 104 '' 'which forms the face before the tray.

The fold line 105 'between the flaps 104 and 104 '' 'is precut, just like the fold line 105 'between the gluing tab 104a and the shutter adjacent 104 ', which will allow the lifting of the first wall.

In another embodiment these are the fold lines 105 between the shutter 104 '' and the shutters 104 and 104 'which are precut (or in other words partially pre-cut), that is to say with cut portions adjoining with dots in which case it is the back side which is planned tear-off.

The flaps 104 and 104 'comprise, for their part, upper peripheral edge 107 and 107 'sloping towards the bottom, directed in the opposite direction of the flap 104 ''.

The tongue 104a is rectangular, and extends all the way up the little side.

The sequence of flaps 104, 104 ', 104' ', 104' '' is also provided on its lower side, a first suite 108 of rectangular flaps, via second fold lines 109 and 109 '.

The flaps 108 are intended to form the bottom 108 ' (see Figure 15) of the tray, in known manner, two of said flaps coming for example in contact with each other their outer edge to form an airtight bottom.

The fold line 109 'between the flap 104' '' and the corresponding flap is precut.

The second cutout 103 has four shutters rectangular, which will be hereafter called panels to better differentiate them from the flaps of the first cutting.

This is a first rectangular panel 110 central and three rectangular panels 111, 112 and 113, interconnected by third fold lines 114 and 114 ', namely two panels 112 and 113 connected on both sides to central panel 110 and an end panel 111 connected to the other side of the panel 112 by a line of folding 114 'precut.

Cutout 3 includes a second suite 115 of flaps, identical to the first suite 108 of flaps, connected to adjacent panels by fifths fold lines 116 and 116 ', perpendicular to the first lines 114, and intended to form the 115 'lid of the box, the fold line of junction 116 'of the panel 111 with its flap being Pluck.

An end tab 113a is moreover provided, connected to the end panel 113 on a only part of the height of the latter, situated on the side of the fold lines 116, by a line of pre-cut bending 114 '.

The tongue 113a is placed on the same side as the tongue 104a, and its length is for example equal at the height of the panel 113, less a length equal to or slightly greater than the length of the tongue 104a.

Tabs 104a and 113a are also provided and arranged to close on the walls facing each other cutouts formed without overlapping each other although they are on the same side (see Figure 15), and to be peelable according to the invention.

Advantageously, the fold lines 114, 114 'and 105, 105 'of the two cuts are parallel and staggered, arranged to make up the extra thicknesses of cardboard when folding.

The tray also has two portions precut, for example oval, in closed lines 120 and 121, located entirely at a distance from the edge 107, 107 'flaps 104, 104'.

Referring to Figures 16 and 17 the tray therefore comprises a first set of flaps 108 forming the basically related to the corresponding parts by fold lines 109 and 109 ', the latter being Pluck.

Similarly, the second cutout 103 includes four rectangular flaps 119 connected to the panels corresponding by fold lines 116 of which one 116 'is precut.

A gripping port 122 is provided at the level of of the fold line with the center panel, which allows, when the crate is closed and glued, to grab the wall and tear off a single block the entire front of 1a. crate according to the arrow 123.

The tray, for example that we can catch from the other side by the handle 124 (obviously), goes as soon when it can be removed as previously described, then the upper part, which can be entered by the bottom flap on the other side of the first tearing game.

The horizontal glue lines are represented in Figures 16 and 17, the flap 104 '' 'being glued on the vertical panel 111.

The pre-cut portions 120 are themselves towards the center of the tray, which avoids yawning in the absence of side flaps which usually hold the tray in the good position.

The portions 120 can also advantageously to be in open lines.

FIG. 18 shows a box 130 at eight sides according to an embodiment of the invention comprising a first element 131 forming container and a second element 132 forming the part top of the box, whose flaps 133 are open to allow the filling of the box formed.

This is, according to the embodiment of the invention described here, rigid and non-foldable a times the tabs glued on the walls vis-à-vis, and includes pre-cut fold lines 134, 135, 136, 137 allowing the lifting of the face 38 with cut corners.

A recess 139 is for example provided on the one hand and else in the panels of the second element 132, level and a little above the top of the tray, which facilitates the extraction of said second element, after disconnection of it by compared to the first element.

FIG. 19 shows a mode of making the first cut 141 and second cutting 142 of an assembly according to the invention to obtain a box of eight sides of the type of that shown in Figure 18.

The first cutout 141 comprises a series of eight shutters 143 and a rectangular gluing tab 144, the flaps and the tongue being connected between them by parallel fold lines 145 and 145'to each other, namely four shutters 146, 147, 148 and 149, and four intermediates 150, 151, 152 and 153.

The main shutters 146, 147, 148 and 149 are each connected by second fold lines 154 and 154 'to a series of flaps 155, said second fold lines being perpendicular to the first fold lines.

One flap out of two is of substantially rectangular and has both sides at least partly outwardly of said flap from the second fold lines, said second fold lines 154, 154 'being substantially aligned or aligned with each other other.

The other two flaps are themselves rectangular.

More specifically, the main components are consisting of two rectangular shutters namely a first small rectangular flap 147, central, and a second large rectangular shutter 149, located on the side one end, and two main form flaps substantially trapezoidal rectangular namely a first strand 146 and a second strand 148 both symmetrical with respect to the small flap 147 and having an angled side 146 ', respectively 148 ', directed outward and upward to from the small rectangular shutter 147.

The main shutters are separated by shutters rectangular or substantially rectangular, as indicated above, secondary flaps being devoid of flaps.

According to the embodiment of the invention more particularly described here, the main component 146 has a detachable portion 156 extended or not, by a recess 157 making it possible to catch up with the overthickness during the formation of the tray around the top element of the crate, element upper corresponding to the second cut 142.

Component 148 also includes a detachable portion 156 ', but who in this mode of realization is not necessarily prolonged recess.

The intermediate flaps 150 and 151 are connected adjacent main flaps 146 and 148 by pre-cut folding lines 145 'and the flap rectangle connected to the flap 154 by a line of pre-cut bend 154 '.

The cutout 42 comprises a series of eight shutters rectangular 160, 161, 162, 163, 164, 165, 166 and 167 terminated by a rectangular tongue of fixing 168.

The shutters are connected to each other and to the tongue by third fold lines 169, 169 'parallel to each other.

More precisely, they consist of four main shutters 160, 162, 164, 166, separated two to two by three secondary flaps 161, 163, 165, the last component 166 is also provided with a component end 167, disposed at the end of the sequence of flaps when the flaps are flat and connected with the rectangular tongue 168 on which he is glued when the box is formed.

The tongue 168 is located on the side of the line of folding 171, with respect to the flap 160, its edge higher 171 'being in the extension of said folding lines 171.

The tongue 168 extends over a height by example arranged not to cover the tongue 144 when the cuts are assembled. She is for example equal to half the height of the shutter 160, the tongue 144 being of height a little less than this dimension.

In the same way as for cutting 141, the cutout 142 comprises, located on the other side by report after 155, a series of flaps 170 connected to the main shutters by fourth fold lines 171, 171 'perpendicular to the third fold lines 169.

This series of flaps is for example identical to the flap suite 155 described with reference to the Cutout 141.

In the embodiment described here, the wall detachable is constituted by the set of shutters 161, 162, 163 for the second cut and set shutters 150, 147, 151 for the first cut.

These two sets are attached to each other by collage and are connected to the main shutters adjacent and flap by fold lines precut 145 'or 169', and 154 'or 171'.

Moreover, the fold lines 145 of the first cut are advantageously provided and placed progressively off the opposite side flap 164 with respect to the fold lines 169 of the second cut to make up the extra thicknesses.

The offsets calculations are done in a known manner, adapting them to the eight-part case.

Portions 156 and 156 ', as well as shutter 147 are fixed by gluing (for example "hot melt") on parts 160 and 164 and 162 of the second cut-out vis-à-vis.

When the crate is formed the tab 144 is glued on the flap 153, the tongue 168 on the outside of the flap 167, and the flaps 55 sets.

Figures 20 to 23 show another mode of embodiment of the invention.

The first cut 251 (see Figure 22) comprises a central flap 252 octagonal, or rectangular to cut corners, and two rectangular side shutters 253, attached to the longitudinal edges of the shutter central by first fold lines 253 '.

In this embodiment, the central flap 252 includes on both sides, two transverse flaps 254 each provided with end flaps 255 and 256 connected to adjacent flaps by sixth lines 257, parallel to each other, one of which forms the cut corners 258 of the tray (Cf. Figure 20).

The second cut 259 (see FIG. as for it four main panels rectangular 260 and four intermediate panels 261 interconnected by fifth lines of folding 262 parallel to each other and a tongue end plate 263 for shutter bonding opposite end intermediate.

It further includes a set of flaps 264 substantially rectangular presenting for two of them, opposite, lateral edges starting at least partly outward biased to come in line with the cut corners when the crate is formed.

Two opposite main panels (non-adjacent) 260 each include on their peripheral edge lower 265, in an open line, centered relative to to the panel concerned, a pre-cut portion 266 by rectangular example.

Portions 266 are intended to be glued on the inside of the walls formed by the shutters 253, which allows extraction as shown in FIG. 20, the edges 265 being merged or offset by a thickness of cardboard, or substantially, with respect to the first fold line 253 ' joining the central flap 252 with the side flap 253.

The vertical fold lines of a set central panel 260 and its two cut corners adjacent 261, the second cut 259 forming cover, just like the fold line 261 horizontal of said panel 260 with the upper flap as well as the corresponding fold lines of the tray 251, on the one hand between transverse flap 254, and on the other hand between small end flaps 255 and 256, are precut according to the invention.

The box 267 obtained is advantageously mounted around a mandrel, the second cut 259, previously glued to the first cut as shown in Figure 23, being wrapped around a eight-sided mandrel, then the first cut being folded on the bottom of the mandrel with gluing end flaps 256, by successive application on the cut corners formed by the shutters intermediate 261, then on the side flaps adjacent 253 (see Figure 20).

Figure 24 shows a box 340 according to another embodiment of the invention, provided with a tray 302 of the type described above.

The upper part 341 is here in one piece, the tear-off face being only a portion tear-off at the bottom of the packaging.

Figures 25, 26 and 27, 28 cutouts show a box 342 including a tray 343 formed by a first cut comprising two side flaps 344, each provided with two portions pre-cut 345 and 346, rectangular or substantially rectangular, one of which is 345 located at one end of the tray and is free on three sides and the other 346 is free on two sides and similar to the precut portions 17 or 66.

The tray includes a first set of flaps 347, namely two side flaps (here no shown in the figure), glued to the side flap central 348 and / or a single central side flap 348 (illustrated embodiment).

The flap or flaps are connected to the flaps corresponding by fold lines 349 precut.

Similarly, the second cut 350 includes three rectangular flaps 351 and 352 connected to the panels corresponding by pre-cut fold lines 353.

A gripping port 354 is provided at the level of of the fold line with the center panel, which allows, when the crate is closed and glued, to tear off the whole front face of the crate according to arrow 355.

The tray, for example that we can catch from the other side by the handle 356, will then be able to be removed as previously described, then the upper part, which can be entered by the party lower flap located on the other side of the first tearing game.

The horizontal glue lines are represented in Figures 25 and 26, the flap 348 being glued on the vertical flaps 352, just like the flap central panel 351.

The pre-cut portion 345 is in turn and glued very forward of the tray, which avoids yawning in the absence of side flaps which usually hold the tray in the good position.

Figures 29 to 32 show another mode of embodiment according to the invention.

Figure 30 shows a first cut 343 identical to that described with reference to FIG. 27.

The second cut 359 (see FIG. 29) comprises as for her four rectangular 360 panels interconnected by third fold lines 361, 361 ', parallel and one set of flaps Rectangulars 362, 363, 364, 365, two identical to two of which one (363) is planned to come into front of the packaging and is connected to the shutter adjacent 360 by a precut line 366.

The said adjacent component is itself connected to its adjacent shutters by fold lines precut 361 '.

Here again the front panel formed by the 360 panel glued at the bottom on the central flap 348 of flap, for example by glue lines 368 (cf. figure 32), is tear-off entirely according to the arrow 369, considering the fold lines or pre-cut edges 349, 366 and 361 '.

Figure 33 shows another embodiment forming a package according to the invention, in several steps A to F, and then shelves (steps G to J) from a first cut 400, intended. forming the tray and a second cut 401, clean to form the lid.

The first blank 400 comprises a sequence of three rectangular shutters 402, 403, 404, large dimensions (of the size of the load), connected between them by first fold lines 405.

The suite includes two sets of flaps rectangular 406 and 407 connected on both sides corresponding flaps, by connecting lines partially precut 408 for the game 406 and by normal fold lines 409 for game 407.

Specifically, the flaps of the game 406 include two side flaps for example each provided with a pre-cut bonding tab 410 located towards the central flap and likely to remain stuck to a portion 411 vis-à-vis the central flap.

The junction line between central flap and flap corresponding is for example in the form of Ω on horseback on the fold line whose top is located on flap 403 and side branches are in the Rabat.

The set of flaps 407 includes two side flaps 412, each provided at their end external of two pre-cut open portions 413.

The second cutout 401 comprises, in turn, three parts, namely a first component 414 from above and two small side flaps 415 of the type described in reference to Figure 27 for example. Each component 414, 415 has two small rectangular flaps 414 ', 414' 'and 415', 415 '' on both sides, the flaps 414 'and 415' being connected to the shutter by pre-cut folding lines.

We will now describe the formation of the fund with reference to steps A to F.

The blank or cut 400 is brought flat, then after sizing, shaped (step B) by raising the side walls 402 and 404 to form the body open 417 (step C). The side flaps of the games 406 and 407 are of width equal to half of the load 418, to form a complete face, the flaps coming aboard.

The load 418 (here rectangular boxes 419 stacked) is then introduced (step D) into the crate, then the cutout 401 is placed on top, to come to style the peripheral edges of the walls verticals formed by shutters 402 and 404, which coincides with the upper edges of the load.

The shutter 415 and the flaps 414, 414 '', 415 ', 415' ' are then folded and glued on the upper edge of the body 420 thus closed (step F).

When it is shelves, the wall 421 is torn off, which is possible because of the lines of folding and / or pre-cut junction.

Then the lid part formed by the blank 401, and which forms the tray in the lower part on the radius is extracted (step H), this being rendered possible thanks to the separation of the portions precut 416 stuck on the walls 402 and 404.

Then the upper part 422 is removed from the same side that the tray and the load 418 is as well released on the shelf.

FIGS. 34 and 35 show another mode of misé crate according to the invention, this time using the wrap principle around the load 500.

The lower part or tray 501 is of the type described for example with reference to the tray 36 of Figure 4.

This is pre-glued, then by example formed before or still wrapped around the load 500.

Similarly, the lid portion 502 includes three major components 503, 504, 505, namely a component 504 forming the top of the lid, and two shutters rectangular 503, 505 lateral the size of the height of the load 500.

The flap 504 is connected to the shutter 503 so similar to the cutout 400 described with reference to the FIG. 33 by a pre-cut junction line 506 in Ω.

Component 505 includes a portion precut 507 sizing on the bottom of the type described on the flap 42 of Figure 4.

The main component 503 also includes and other two flaps 508 and 509, rectangular of the size of the load, height dimensions walls of the tray, flaps themselves provided with rectangular flaps 510, 511, for example from the width equal to the part of the load, the flaps 510 located on one side of the flap 504 being connected by pre-cut fold lines 512.

The cut 502 is wrapped around the load for, once stuck on the tray by the bottom of flaps 504 and 505 and in one embodiment, by the pre-cut portions 513 of the tray, forming the cash register 514.

Referring to Figure 35, and similarly to what is described with reference to Figure 34, the wall 515 is torn off, then the tray 516 removed, before removing the cover 517 to release fully charge.

Figure 36 shows in perspective a view of an 1150 machine in accordance with a embodiment of the invention.

More precisely and also with reference to the FIG. 37, the machine 1150 comprises a frame support 1151, a first set 1152 supply cutouts 1153 for forming the tray, and a second set 1154 feeding cutouts 1155 intended to form the upper part of the package according to the invention.

These power realization sets are known in themselves and make it possible to apprehend cuts one by one via suction cups aspirants then switch them on a platform 1156 on which the set of cuts according to the invention is formed.

More specifically, with reference to FIG. lower cut 1153 is first flat after extraction of the power supply concerned.

Then a sizing of the pre-cut portions is realized and the second cut 1155 intended to form the whole is then taken by the rocking system suction cup 1154 to be placed from accurately and then applied (press 1157) on the first cut 1153 which becomes thus secured by gluing only through a portion Pluck.

Then all the cuts thus formed is moved horizontally (see Figure 38) by through transfer means 1158, by example consisting of belts 1159 in noria, under a parallelepiped mandrel 1160, for example at some distance from it.

During transfer the end flaps 1161 and the second pre-cut portion are glued by means 1162 of the hot glue gun type melt ", with vertical injection.

Then the central flap of the first cut (by example) is pressurized on the mandrel, by example by the method and with reference to the device described in patent EP 0 468 860.

Similarly, the set of cuts is then wound (see Figure 39) around the mandrel through a 1163 swing arm system and the shutters and / or panels of the cuts are applied under pressure (see Figure 40) by the pusher plate intermediate 1164 on the mandrel 1160, so that the crate is formed into part.

At the same time, the flaps intended to form a lateral side of the entire crate formed are applied on the bottom of the mandrel via of pushing cylinders 1165.

Once the crate is formed, it is ejected to form a fillable crate from the side, according to the embodiments more particularly described here.

We will now describe, in particular with reference in FIGS. 37 and 38, the steps of the method according to a embodiment of the invention.

The cuts are placed in the shops of storage consisting of conveyor belts.

The first 1153 cut-out (tray) and the second cut 1154, body (upper part) are then depilated.

Then there is positioning of the second cut 1154 between a pusher and movable stops (no shown).

The second cut is then transferred to a bottom stop then is set up on the first cutting by a rod / crank system (no represent).

During this transfer the junction zone, that is to say the first pre-cut portion here belonging at the first cut, is glued on top.

It is then pressurized (press 1157) at level of the junction and release stops.

The transfer of the set of cuts and solidarized is then carried out under the mandrel 1160, thanks to the 1159 belts.

During this transfer the set of cuts completes to be pasted on the flaps and on the second pre-cut portion of junction (glue 1162).

Then, there is volume development of the box by rise of coating arms, pressurization of lower plater 1166, pre-ply panel outer junction of the first cut on the second cut, then simultaneous folding of the whole longitudinal flaps, finally folding and setting pressure of the transverse flaps and the panel of junction.

The body is thus put in volume with a folding reversed.

Finally, the packaging is ejected thus formed, for example by a jack located at inside the mandrel.

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 system with belts).

The accuracy of these store types is then ensured by reciprocal type settings, that is to say to adjust the grip area by depending on the position of removal.

This type of store by unstacking from above is also applicable on any type of coating, including around the product itself (wrapping technique around "in English terminology).

As it goes without saying and as it also results of the foregoing, the present invention is not limited to more embodiments particularly described. She embraces contrary all variants, especially those where both cuts are folded and glued flat one on the other, or where the cuts are put in tunnel of said assembly already glued via some pre-cut portions.

Claims (49)

1. A packing case (1, 60, 106, 130, 267, 340, 342, 420, 514) in two sections, comprising two shapes made of corrugated board sheet material, namely a first shape (13, 31, 62, 102, 131, 141, 251, 302, 343, 400, 501) forming a tray (12) and a second shape (21, 40, 73, 103, 142, 259, 350, 359, 401, 502) forming a lid (3) imbricated with said tray, characterized in that the case comprises a first transverse side wall (4, 81) arranged to be grasped by a user, joined to the rest of the case by partially precut connecting lines (7, 8, 9; 44, 44', 44'', 38, 52; 71, 80; 109', 114', 116'; 134, 135, 136, 137) allowing said first wall to be manually torn off by the user from the rest of the case,
      and in that one or the other side walls (15, 20; 64, 68; 104, 104') of the tray are fixed respectively to one or the other side walls of the lid solely by one or more partially precut portions (16, 17; 46; 66; 120, 120'; 156, 156'; 266; 345, 346; 416) and/or one or more gluing points, enabling a separation between walls by manual parting achieved by the application of a force perpendicularly to the walls.
2. The case as claimed in claim 1, characterized in that the first transverse side wall is formed by the gluing together of two first side walls (5, 6; 70, 79) of the lid and tray respectively, one upon the other.
3. The case as claimed in any one of the preceding claims, characterized in that the partially precut, upper connecting line (44'') of the first side wall of the case with the lid is situated on the lid.
4. The case as claimed in either of claims 1 and 2, characterized in that the partially precut, upper connecting line (7, 44) of the first side wall of the case with the lid is situated on said first wall (6, 43) so as to leave an upper fascia (26) attached to the lid following tearing-off.
5. The case as claimed in either of claims 1 and 2, characterized in that the partially precut, upper connecting line (44') of the first transverse side wall of the case with the lid coincides with the edge of the upper face of the lid.
6. The case as claimed in any one of the preceding claims, characterized in that it comprises means (7') for grasping the first side wall of the case, comprising a handle constituted by a recess centered on the upper connecting line (7) of said wall.
7. The case as claimed in any one of the preceding claims, characterized in that the partially precut portion(s) (46) and/or gluing points belong to the second transverse side wall (42) of the case, opposite to the tear-off, first transverse side wall (43).
8. The case as claimed in any one of claims 1 to 6, characterized in that the case comprises at least two partially precut portions (16, 17, 66; 120, 120'; 156'; 345; 346; 416) or gluing points respectively situated at some place on the longitudinal side walls of the case.
9. The case (1, 60) as claimed in any one of the preceding claims, characterized in that the lid is imbricated in the tray.
10. The case as claimed in any one of the preceding claims, characterized in that the partially precut portion(s) (16, 17; 66) belong to the tray.
11. The case as claimed in any one of the preceding claims, characterized in that the partially precut portion(s) (16, 17; 46; 66) are precut according to an open line.
12. The case as claimed in any one of claims 1 to 10, characterized in that the partially precut section(s) of leaves are cut according to a closed line.
13. The case as claimed in any one of the preceding claims, characterized in that the first shape (13, 31, 62) comprises a series of three leaves, namely a central leaf (14, 32, 63) forming the bottom of the tray laterally joined by first fold lines (33) to two side leaves (15, 34, 64) forming, at least in part, the longitudinal side walls of said tray, said series comprising at least one transverse flap (5, 70) situated on one side of said leaves to which it is joined by at least one partially precut, second fold line (9, 9', 38, 71) perpendicular to the first fold lines, said transverse flap (5, 70) forming, at least in part, the first transverse side wall of the tray.
14. The case as claimed in claim 13, characterized in that each side leaf (15) comprises two partially precut portions (16, 17).
15. The case as claimed in any one of the preceding claims, characterized in that the second shape comprises three panels (41, 42, 43; 74, 75), namely a rectangular central panel (41, 74) forming the upper face of the lid of the case laterally joined by third fold lines (42', 44') to two side panels (42, 43; 75) forming, at least in part, the side walls of the case, joined together with the first shape respectively by said lateral, partially precut portion(s) (46), or said gluing points, on the one hand, and by gluing lines, on the other hand.
16. The case as claimed in any one of the preceding claims, characterized in that the second shape (73) comprises two sets of side flaps (76, 77, 78, 79) situated at some place on said panels, to which they are joined by fourth fold lines situated facing said second fold lines (71, 72) of the first shape.
17. The case as claimed in any one of claims 1 to 14, characterized in that the second shape (21) comprises at least four panels (22) respectively mutually joined by fourth fold lines (23, 23') parallel to the second fold lines (9') of the first shape, and an end gluing tongue (22'), the four panels comprising a set of flaps (24, 25) situated on the side opposite to the first shape (13).
18. The case as claimed in any one of the preceding claims, characterized in that each leaf (32, 34; 63, 64) of the first shape comprises a transverse flap, namely a central flap (70) joined to the central leaf and forming a partially precut bottom portion, and two side flaps joined to the side leaves and glued on said central flap.
19. The case as claimed in any one of claims 1 to 12, characterized in that each shape comprises a series of four primary leaves (104, 104', 104'', 104'''; 110, 111, 112, 113; 146, 147, 148, 149; 160, 162, 164, 166) terminated by a fixing tongue (140; 130; 153; 168), said primary leaves and said tongue being mutually joined by mutually parallel first fold lines (105, 105'; 114, 114'; 145, 145'; 169, 169'), directly or by means of secondary leaves (150, 151, 152, 153; 161, 163, 165, 167), and an assembly (108, 115; 155, 170) of first side flaps, disposed on one side of said series of primary leaves and joined to the latter by second fold lines (109, 109'; 116, 116'; 154, 154'; 171, 171') perpendicular to said first fold lines and intended to form, at least partially, the bottom of the tray, on the one hand, and the top of the upper section of the case, on the other hand.
20. The case as claimed in claim 19, characterized in that the fixing tongue (113a, 168) of the second element extends along one section only of the side edge of the adjacent leaf to which it is joined, above the fixing tongue of the first element.
21. The case as claimed in any one of claims 19 and 20, characterized in that the primary leaves (146, 147, 148, 149; 160, 162, 164, 66) are mutually separated by secondary leaves (150, 151, 152, 153; 161, 163, 165, 167) to form an eight-sided case, with cut corners.
22. An assembly of shapes for the formation of a case, characterized in that it comprises two shapes, each respectively formed from a central leaf or panel and from side leaves or panels, namely a first shape intended to form a tray and a second shape intended to form the lid of the case,
       the first shape (13, 31, 62) comprising a second transverse flap or at least one side leaf (15, 64) joined to the central leaf and arranged to be joined together to an adjacent side panel (22, 42, 75) of the second shape by means of at least one partially pre-cut portion (16, 17; 46; 66) belonging to one of the shapes and glued to the other shape,
       and a first transverse flap (5, 70) joined on the other side to the central leaf (14, 32, 63) by a partially pre-cut connecting line (9, 9'; 38, 71), and in that a side panel of the second shape is fit to be glued to the first transverse flap and is joined to the central panel by a partially pre-cut connecting line, the said first transverse flap and side panel being arranged so as to be grasped by a user, in that they are thus joined to the rest of the assembly by partially pre-cut connecting lines.
23. The assembly of shapes as claimed in claim 22, characterized in that the side leaves (34, 64) of the first shape each comprise a flap, respectively joined to the corresponding leaf by a partially pre-cut fold line on the side of the first transverse flap (5, 70).
24. The assembly of shapes as claimed in claim 22, characterized in that the first shape comprises at least one partially pre-cut flap and the second shape at least four panels (22), one of which joined to its two adjacent panels by partially pre-cut fold lines (23') and provided with a flap joined directly or by means of a fascia-forming panel portion to the said panel, and intended to form the first vertical bottom wall of the case, by a partially pre-cut fold line.
25. The assembly (1) of shapes for a packing case, as claimed in claim 22, characterized in that each element comprises a series of four primary leaves (104, 104', 104'', , 104'''; 110, 111, 112, 113, 143; 160, 162, 164, 166) terminated by a fixing tongue (104a, 113a), said primary leaves and said tongue being mutually joined by mutually parallel first fold lines (105, 105'; 114, 114'; 145, 145'; 169, 169'), directly or by means of secondary leaves (150, 151, 152, 163; 161, 163, 165, 167), and an assembly (108, 115; 155, 70) of first side flaps, disposed on one side of said series of primary leaves and joined to the latter by second fold lines (109, 109'; 116, 116'; 154, 154'; 171, 171') perpendicular to said first fold lines and intended to form, at least partially, the bottom of the tray-forming first element, on the one hand, and the top of the second element, on the other hand, the two elements being arranged to be mutually joined by at least one precut leaf portion (120; 156, 156') in one of said primary leaves of the first element, referred to as the outer leaf (104; 146, 148), said portion being fixed to the corresponding primary leaf facing the second element, referred to as the inner leaf,
       and in that a transverse leaf (104''') of the first shape and a transverse leaf (111) of the second shape are joined to the flap and to the corresponding adjacent leaves by precut connecting lines (109', 105'; 114', 116'; 154', 145'; 169', 171').
26. The assembly of shapes as claimed in any one of claims 22 to 25, characterized in that the precut connecting line(s) which are to correspond to the connecting line of the first side wall of the case, once formed with the lid, are situated on the lid.
27. The assembly of shapes as claimed in any one of claims 22 to 25, characterized in that the precut upper connecting line which is to correspond to the connecting line of the first side wall of the case, once formed, coincides with the upper edge of the case, once formed.
28. The assembly of shapes as claimed in any one of claims 22 to 27, characterized in that the precut leaf portion(s) (120; 156, 156') are cut according to a closed line.
29. The assembly of shapes as claimed in any one of claims 22 to 27, characterized in that the precut leaf portion(s) are cut according to an open line.
30. The assembly of shapes as claimed in claim 25, characterized in that the fixing tongue (113a, 168) of the second element extends along one section only of the side edge of the adjacent leaf to which it is joined, above the fixing tongue of the first element.
31. The assembly of shapes as claimed in any one of claims 22 to 30, characterized in that the primary leaves (146, 147, 148, 149; 160, 162, 164, 166) are mutually separated by secondary leaves (150, 151, 152, 153; 161, 163, 165, 167) to form an eight-sided case, with cut corners.
32. The assembly of shapes as claimed in any one of claims 22 to 31, characterized in that the concretization is effected by winding the two shapes which have previously been glued together and joined together by at least one of said first portions around a mass of predetermined dimensions.
33. The assembly of shapes (130, 142) as claimed in any one of claims 22 to 32, characterized in that the precut portions run obliquely from the junctions between first and second fold lines toward the outside of the first shape.
34. The assembly of shapes as claimed in any one of claims 22 to 33, characterized in that the precut portions belong to the first shape.
35. The assembly of shapes for making a case as claimed in claim 22, characterized in that it comprises two shapes, each respectively formed from a central leaf or panel and from two side leaves or panels, namely a first shape intended to form a tray and a second shape intended to form an upper section of the case, said shapes being fit to be mutually joined together by their respective side leaves and panels solely by means of at least two lateral pre-cut portions belonging to one of the shapes and fit to be glued to the other shape.
36. The assembly of shapes as claimed in claim 35, characterized in that the central leaf of the first shape comprises a central flap in the extension of the said bottom provided with two pre-cut bottom portions and the side leaves of the first shape each comprise a side flap fit to be glued respectively on the said pre-cut bottom portions.
37. The assembly of shapes as claimed in either of claims 35 and 36, characterized in that the central panel of the second shape comprises a central flap in the extension of the said panel provided with two pre-cut lid portions and the side panels of the second shape each comprise a side flap fit to be glued respectively on the said pre-cut lid portions.
38. The assembly of shapes as claimed in claim 35, characterized in that the first shape and the second shape each comprise a set of one or more flaps, the said sets being respectively joined to the corresponding leaves and panels by pre-cut fold lines.
39. The assembly as claimed in any one of claims 35 to 38, characterized in that the lateral pre-cut portions run obliquely from the junction between first and second fold lines towards the outside of the first shape.
40. The assembly as claimed in claim 35, characterized in that the first shape comprises three pre-cut flaps and the second shape at least four panels, one of which provided with a flap joined to the said panel, intended to form the bottom of the case, by a pre-cut fold line.
41. A process for the realization of a packing case as claimed in any one of claims 1 to 21, characterized in that:

    the first and second shapes are fixed together solely by means of at least one pre-cut portion and by means of panels and/or of flaps respectively joined to the rest of the shape to which they belong by partially pre-cut connecting lines, this in order to form the packing case, the display tray of which can be manually separated from the upper section of the case by simple traction of one of the shapes towards the outside of the case close to the said pre-cut portion.
42. The process as claimed in claim 41, for the realization of a packing case (1, 18, 36, 67, 68, 82, 91, 110, 118, 127) of polygonal cross section out of two shapes made of corrugated board sheet material, namely a first shape (3, 20, 37, 51, 69, 85, 96, 111, 130, 153) fit to form a display tray and a second shape (4, 27, 45, 59, 72, 85', 100, 112, 123, 142, 155) fit to form the upper section of the case, one of the shapes comprising at least two pre-cut portions (12, 24, 43, 66, 75, 76, 78, 84, 99, 115, 121, 128) in the said shape, characterized in that
       the said portions are flat-coated with glue,
       one of the said portions belonging to one of the shapes is applied flat onto the other portion, the assembly of shapes which is thus joined together is wound around a mass of determined dimensions,
       then the other previously glue-coated portion is applied to the other shape, following winding and folding-down around the said mass, in such a way as to form the said packing case.
43. A machine (150) for the realization of a packing case according to any one of claims 1 to 21, characterized in that the said machine comprises

    means (162) for coating the said pre-cut portions (16, 17, 46, 66, 120, 120', 156, 156', 266, 345, 346, 416) with glue,

    means (152, 154, 156) for positioning the shapes one upon the other to allow a first of the pre-cut portions to be glued onto the other shape, the fold lines of the one of the shapes being placed relative to the fold lines of the other shape to allow winding around a mass of determined dimensions,

    application means (157) for fixing the said first pre-cut portion onto the other shape by gluing,

    means for fixing together a flap or wall of a shape on a flap or wall of the other shape, the said flaps or walls being joined to the rest of their respective shape by partially pre-cut connecting lines,

    and means (160, 164, 165) for forming the box by winding and folding-down of the shapes thus joined together around a mass (160) of determined dimensions, for fixing solely by gluing.
44. The machine as claimed in claim 43, characterized in that the mass of determined dimensions is a mandrel (160) of polygonal cross section.
45. The machine as claimed in claim 43, characterized in that it is arranged so that the mass of determined dimensions is constituted by products to be packed.
46. The machine as claimed in any one of claims 43 to 45, characterized in that it comprises two feed magazines (152, 154) disposed at some place on the machine for forming of the shapes.
47. A process for opening a case and for shelving the product contained therein, characterized in that a transverse wall of the case is manually torn off, the said wall being joined to the rest of the case by partially pre-cut connecting lines, the walls and the lid of the case are manually separated from the bottom, the said walls and the lid being attached to the bottom solely by at least one partially pre-cut portion and/or one or more gluing points, the bottom is pulled horizontally in order to free the base of the products which are on top of it, and then the lid is removed in order to free completely the products contained therein.
48. The process as claimed in claim 47 for opening a case (1, 60) of polygonal cross section formed out of two shapes made of cardboard or corrugated board sheet material, namely a first shape (13, 36, 62) fit to form a tray (2) and a second shape (21, 40, 73) fit to form the lid (3) of the case, the said case being filled with rigid or semi-rigid products (54, 82), characterized in that, the case comprising a first transverse side wall (64, 81) joined to the rest of the packing by partially precut connecting lines allowing tearing-off:

    the first transverse side wall (4, 81) is torn off manually, in one stroke,

    the walls of the rest of the tray are manually separated, by perpendicular traction, from the walls of the rest of the lid, said walls being solely fixed together by means of partially precut wall portions (16, 17; 46; 66) or by easily separable gluing points,

    the tray (2) is pulled horizontally in order to free the tray from the products which are on top of it,

    then the lid (3) is removed in order to free completely the products contained therein.
49. The case-opening process as claimed in claim 48, characterized in that, the lid (3) comprising a fascia (26) following tearing-off of the first transverse side wall (4), the lid (3) is pivoted upward in order to slide the fascia (26) away from the products (54) prior to horizontal pulling of the lid (3).

Images