EP3336008A1 - Process to manufacture a three dimensional article from a mounting set and corresponding mounting set - Google Patents

Process to manufacture a three dimensional article from a mounting set and corresponding mounting set Download PDF

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Publication number
EP3336008A1
EP3336008A1 EP17206679.7A EP17206679A EP3336008A1 EP 3336008 A1 EP3336008 A1 EP 3336008A1 EP 17206679 A EP17206679 A EP 17206679A EP 3336008 A1 EP3336008 A1 EP 3336008A1
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EP
European Patent Office
Prior art keywords
cut
sheet
parts
cut sheet
pieces
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17206679.7A
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German (de)
French (fr)
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EP3336008B1 (en
Inventor
Luc MAYER
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Rossmann Sas
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Rossmann Sas
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Publication of EP3336008A1 publication Critical patent/EP3336008A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/36—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents adapted to be used for non-packaging purposes after removal of contents
    • B65D81/368—Foldable carton-boxes simulating, or transformable into, a special configuration, e.g. a car, a house, an animal
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B43/00—Cabinets, racks or shelf units, characterised by features enabling folding of the cabinet or the like
    • A47B43/02—Cabinets, racks or shelf units, characterised by features enabling folding of the cabinet or the like made of cardboard or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C5/00—Chairs of special materials
    • A47C5/005—Chairs of special materials of paper, cardboard or similar pliable material
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2220/00—General furniture construction, e.g. fittings
    • A47B2220/008—General furniture construction, e.g. fittings characterised by materials
    • A47B2220/0083—Furniture made of sheet material
    • A47B2220/0086—Furniture made of sheet material made of cardboard
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2230/00—Furniture jointing; Furniture with such jointing
    • A47B2230/0074—Mortise and tenon joints or the like including some general male and female connections
    • A47B2230/0092—Furniture assembled by mutually slotted joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
    • B65D2585/64—Containers, packaging elements or packages specially adapted for particular articles or materials for bulky articles
    • B65D2585/641—Containers, packaging elements or packages specially adapted for particular articles or materials for bulky articles specific articles
    • B65D2585/647—Containers, packaging elements or packages specially adapted for particular articles or materials for bulky articles specific articles furniture

Definitions

  • the present invention relates to a method of manufacturing a three-dimensional article from a mounting kit comprising a plurality of planar parts from at least one raw sheet of material such as cardboard, said article being obtained by assembly of said plurality of parts connected to each other, in which process, in order to produce the assembly kit for said article, all the pieces of said article are positioned in said at least one raw sheet of material, said parts are precut in said raw sheet to obtain a cut sheet, during the cutting operation, uncut areas are formed forming attachment points arranged to hold the precut pieces together and in said cut sheet.
  • the invention also relates to a mounting kit for manufacturing a three-dimensional article, said mounting kit comprising a plurality of planar parts from at least one raw sheet of material such as cardboard, and an article obtained by assembly. said plurality of cardboard pieces bonded together.
  • the publications US 4,875,737 , US 6,048,032 , EP 2 099 334 B1 and DE 10 2010 040 712 A1 provide examples of cardboard furniture made from a mounting kit comprising a plurality of pieces cut from different sheets of cardboard, these cut pieces being superimposed and transported flat, to be then assembled in three dimensions.
  • the cut pieces constituting the mounting kit are packaged flat in a specific packaging, such as a cardboard packaging, a film, a container-shaped suitcase or the like, facilitating their storage and transport.
  • a specific packaging such as a cardboard packaging, a film, a container-shaped suitcase or the like, facilitating their storage and transport.
  • each cut piece constituting the piece of furniture must be individually identified, referenced, managed and manipulated until it is assembled with the other cut pieces to be packaged as a kit.
  • cardboard boxes that incidentally include a game or a cardboard toy to be made from these boxes when the food has been consumed. Examples of such examples are described in the publications JP S59 75482 U and US 2004/094610 A1 .
  • These boxes which often form an overpack, are formed from a relatively thin sheet of cardboard, less than a millimeter to save raw material. In this case we speak of compact cardboard and never corrugated paperboard too expensive to produce for this type of application. They generally have a parallelepipedal shape and a dimension substantially corresponding to an A4 format. The parts of the game or the toy are therefore small and pre-cut in at least one of the front or rear walls of the box.
  • the three-dimensional object obtained after assembly of the parts is small, lightweight and of low mechanical strength.
  • this design is very far from the field of the invention, which mainly concerns furniture and interior decoration, and therefore requires large pieces, beyond the size of these boxes. packaging, precut in a thick cardboard sheet, beyond the thickness of the cardboard sheet used for these boxes. The current solutions are therefore not totally satisfactory.
  • the present invention aims to overcome these disadvantages by proposing a new method of manufacturing a three-dimensional article in a sheet of material such as cardboard, packaged in a mounting kit for optimizing industrial production, to lower the costs of production. manufacturing, reduce waste, and ensure high repeatability, without adding overwrap, ensuring the integrity of the mounting kit, without loss or omission of parts, thus facilitating the management of references to produce, while offering the buyer a quality item, very easy to assemble, without glue, chisel or cutter, additional accessory, or any additional finish, which can be quickly disassembled to be transported flat, said article obtained can of course be customized as desired, and being secure without any visible cutting edge.
  • the invention relates to a method of manufacture of the kind indicated in the preamble, characterized in that at least two substantially oblong openings are cut in said cut sheet at predetermined locations, in that one creates, at the moment of the cutting operation, at least a first hinge fold on a median line separating said cut sheet into two substantially equal parts, in that the two parts are folded one over the other by folding said cut sheet around said first hinge fold to form a carrying case of the mounting kit, and in that said openings are arranged to allow the passage of a hand and to delimit with the cut sheet a carrying handle when said cut sheet is folded into suitcase.
  • the pieces of said article are cut in a single raw sheet of material.
  • At least a first hinge fold and a second hinge fold can be created during the cutting operation on two median lines perpendicular to each other separating said cut sheet into four substantially equal portions, cut the second hinge fold to the intersection with the first hinge fold, and we fold the four parts one on the other by folding said cut sheet around respectively the first hinge fold and then around the second hinge fold to form said bag.
  • the second and third hinge folds are cut to the intersection with the first hinge fold, and the six parts are folded one over the other by folding said cut sheet around respectively the first hinge fold and then the second hinge fold and finally the third hinge fold to form said bag.
  • locking means arranged to hold the parts of said cut sheet when folded in a suitcase can be created in said openings.
  • At least one mounting instruction for said article can be printed on said raw sheet of material.
  • a mounting kit as defined in the preamble and characterized in that it is produced from the manufacturing method as defined above, making it possible to manufacture a piece of furniture chosen from a stool, a chair, a bedside table with a drawer, a shelf, a multiple shelf, a bedstead, or any other item chosen from a decorative object such as a light, a game, a toy, a utility object.
  • the manufacturing method according to the invention is described with reference to three different types of furniture, namely a stool according to the Figures 1 to 5 , a shelf according to Figures 6 to 10 and a luminaire according to the Figures 11 to 15 .
  • These three embodiments are intended to explain the manufacturing process of the invention in a concrete manner.
  • these examples of embodiments are not limiting and instead show the range of possibilities offered by this new manufacturing process which has no limit that the imagination of the designer of products or three-dimensional articles intended in particular but not exclusively to furnishings, interior decoration, exterior decoration, toys, utility objects, etc.
  • the material used is generally in the form of a raw sheet of material, flat, and preferably rectangular, without this form being limiting.
  • the material can be cardboard.
  • the raw sheet may consist of one or more layers of flat and / or corrugated cardboard, superimposed and glued together.
  • flat cardboard it is called compact cardboard whose thickness of a layer may vary between 0.25mm and 0.40mm, without these values being limiting.
  • corrugated cardboard each layer of cardboard may be single, double or triple corrugated, depending on the intended applications and the mechanical stresses to which the manufactured article must respond.
  • the thickness of a layer of corrugated cardboard may vary depending on the thickness of the grooves between 0.7mm and 5mm, without these values being limiting.
  • This example of material is not limiting and extends to any other material that can be cut and folded in a manner similar to the cardboard, and having similar advantages to the cardboard, such as lightness and rigidity. Mention may be made of certain synthetic or composite materials, such as, for example, cellular polypropylene, cellular polycarbonate, and any equivalent cellular material.
  • Stool 10 shown in figure 5 , is made from the mounting kit 11 of the figure 1 obtained by precutting all the parts constituting said stool 10 in a single raw sheet of material 12.
  • Pre-cut means to partially cut the outline of the pieces in the raw sheet of material so that they remain attached by uncut areas forming attachment points as described below, these attachment points can be broken by hand without tools.
  • a cut sheet 13 is obtained in one piece.
  • This cut sheet 13 comprises all the parts of the stool 10 pre-cut and a frame 14 held together with each other and said cut sheet 13 by uncut areas 15 forming attachment points 15a, connecting lugs 18a, 19a, or Similar.
  • the armature 14 is also cut into at least two substantially oblong apertures 16 at predetermined locations to allow the passage of a hand when the cut sheet 13 is folded into a carrying case 17 (FIG. Fig. 2D ).
  • the printing operation and the cutting operation can each be performed in a single pass on a printing machine and then on a cutting machine respectively.
  • the printing can be done by flexography, inkjet, screen printing, offset, or any other suitable printing technique.
  • the cutting can be done by stamping, laser, or any other suitable cutting means.
  • the cut sheet 13 can thus be produced industrially in mass production at a lower cost and with a very simplified logistics.
  • the cut sheets 13 obtained can be easily stacked on a pallet or the like to be stored, transported and packaged.
  • the parts will preferably be placed adjacent to each other and symmetrically with respect to two median perpendicular lines L and T, namely a longitudinal center line L and a transverse center line T.
  • These two middle lines L and T make it possible to divide the raw sheet 12 into four substantially equal parts A, B, C, D. This arrangement thus makes it possible to optimize the quantity of material required by reducing voids and thus waste matter.
  • This arrangement also makes it possible to separate the parts A and B and to allow folding of parts A, B, C and D of the cut sheet 13 on one another as explained below to form a bag 17 easily transportable by a person P, in accordance with the 2D figure .
  • a first hinge fold 18 on the longitudinal center line L and a second hinge fold 19 on the center line transverse T To facilitate the folding in four of the cut sheet 13 in bag 17, it is created by grooving during the cutting operation, a first hinge fold 18 on the longitudinal center line L and a second hinge fold 19 on the center line transverse T.
  • the first hinge fold 18 has a width substantially equal to two thicknesses of material, is divided in two at the intersection of the median lines L and T, and extends on the one hand between the parts A and C connected between by connecting tabs 18a, and on the other hand between parts B and D connected to each other by connecting tabs 18b, these connecting tabs 18a and 18b being formed by uncut areas 15 of the raw sheet 12.
  • the second hinge fold 19 has a width substantially equal to four thicknesses of material, and extends only between the parts C and D connected to each other by connecting lugs 19a also formed by uncut areas 15 of the sheet 12, parts A and B are no longer linked.
  • the mounting kit 11 of the stool 10 is thus contained in a single cut sheet 13 which can be folded in four on itself in accordance with the example shown in FIGS. Figures 2A to 2D to form a suitcase 17 compact, lightweight, and very easy to store and transport.
  • part A can be folded on part C ( Fig. 2A ) and Part B on Part D ( Fig. 2B ) around the first hinge fold 18, and finally the parts A and C on the parts B and D around the second hinge fold 19.
  • the two openings 16 previously cut in the frame 14 are superimposed to form the carrying handle of the suitcase 17.
  • These openings 16 may comprise locking means, such as for example tabs and notches of complementary shapes, arranged to fit into each other and thus lock the bag 17 in the closed position.
  • the suitcases 17 obtained are ready to be sent to the point of sale. For this purpose, they can be easily stacked on a pallet or the like to be stored, transported and then transported to the point of sale.
  • the consumer P who buys the mounting kit 11 of a stool 10 can very easily transport his piece of furniture contained in the case 17 because it is light, compact and provided with a carrying handle.
  • To mount his furniture he unlocks the carrying handle to unfold the cut sheet 13 which includes the mounting kit 11. It detaches all the parts to separate them from the frame 14 by breaking the points attachment 15a. It retains the frame 14 on which is printed the assembly instructions.
  • the parts contained in the mounting kit 11 comprise with reference to the figure 3 two envelopes 20, two first reinforcements 21, two second reinforcements 22 and four spacers 23.
  • the reinforcements 21, 22 of substantially rectangular shape each comprise two slots 21a, 22a parallel to each other which extend over half the height of each reinforcement.
  • the reinforcements 21 and 22 are positioned perpendicularly to each other and are assembled by a translational movement making it possible to fit their respective slots 21a, 22a into one another ( Fig. 4A ).
  • Spacers 23 of substantially rectangular shape are attached on two opposite sides of the supporting structure 24 by interlocking notches 23a provided in the spacers 23 in corresponding notches 21b provided laterally in the reinforcements 21 (FIG. Fig. 4B ).
  • the two identical envelopes 20 are used and in which the different zones provided are delimited between them by fold lines 20a, made by grooving during the cutting operation.
  • the two flaps 25a, 25b are folded on either side of a half-seat 25 on the half-seat 25 which will form the top of the stool 10. It locks this assembly by embedding the male form 25c in omega of the flap 25b in the complementary omega 25d female form of the flap 25a ( Fig. 4C ). Thanks to this folding, the edges of the seat 25 of the stool 10 which will remain visible are formed by the fold of the cardboard which ensures an aesthetic and secure finish, since it allows to hide the grooves and avoid sharp edges.
  • a first casing 20 is assembled to the supporting structure 24 by interlocking notches 26a provided on the nose 26 of the half-seat 25 in notches 22b provided at the top of the reinforcements 22 ( Fig. 4D ). Then the casing 20 is folded at 90 ° around the bearing structure 24 to form a side wall 27 of the stool 10, framed by two lateral half-walls 28 ( Fig. 4E ). The two flaps 29 provided at the ends of the half-side walls 28 are folded at 90 ° and these flaps 29 are fitted on the spacers 23 via notches 29a, 23b in correspondence. At the same time, the flaps 28a provided at the top of the lateral half-walls 28 are folded at 90 °, which is introduced inside the stool 10 under the seat 25 (FIG.
  • Fig. 4F We proceed in the same way with the second envelope 20 and we obtain the stool 10 ( Fig. 5 ).
  • the stool 10 being obtained without adding glue or any means of attachment is easily removable and can be reassembled without any degradation of the parts constituting the stool 10, especially in case of moving.
  • This stool 10 made of cardboard with a bearing structure 24 is just as resistant as a stool in wood or metal. It has the added advantage of being economical, lightweight, easily transportable, and customizable.
  • FIG. 6 to 9 illustrate for this purpose an example of embodiment applied to a shelf 30 ( Fig. 10 ) which is made from the mounting kit 31 of the figure 6 obtained by precutting all the parts constituting said shelf 30 in a first raw sheet 32a of material and in a second raw sheet 32b of material whose dimensions correspond to at most half of the first raw sheet 32a.
  • a first cut sheet 33a is obtained which comprises an armature 34 for holding the integral parts to said sheet by uncut areas 35 forming attachment points 35a, connecting tabs 39a, or the like.
  • Also cut into the frame 34 is at least two substantially oblong openings 36 at predetermined locations to allow the passage of a hand when the cut sheet 33a is folded into a carrying case 37 (FIG. Fig. 7C ).
  • a second cut sheet 33b is also obtained in which the pieces are held together by non-cut zones 35 forming attachment points 35a. Also cut in said second cut sheet 33b at least one aperture 36 substantially oblong at a location corresponding to one of the openings 36 of the first cut sheet 33a when folded bag 37.
  • the arrangement of the parts of the mounting kit 31 is distributed and optimized in the two raw sheets 32a, 32b of material. It is created by grooving during the cutting operation a hinge fold 39 on a transverse centerline T to divide the first cut sheet 33a into two substantially equal parts A and B.
  • the hinge fold 39 has a width substantially equal to three thicknesses of material, and extends between the parts A and B interconnected by connecting lugs 39a formed by uncut areas 35 of the raw sheet 32a.
  • the mounting kit 31 of the shelf 30 is thus contained in only two cut sheets 33a, 33b, which can be superimposed so that the second cut sheet 33b is contained inside the first cut sheet 33a when is folded in half on itself in accordance with the example shown in Figures 7A to 7C to form a bag 37 compact, lightweight, and very easy to store and transport.
  • the openings 36 previously cut in the armature 34 of the first cut sheet 33a and in the second cut sheet 33b are superimposed to form the carrying handle of the case 37 and lock together to secure the two sheets 33a, 33b between them.
  • the consumer P unlocks the carrying handle to unfold the first cut sheet 33a and access the second cut sheet 33b, the assembly constituting the mounting kit 31. It detaches all parts to separate them from the armature 34 or between them by breaking the attachment points 35a. It retains the frame 34 of the first cut sheet 33a on which is printed the assembly instructions.
  • the parts contained in the mounting kit 31 comprise with reference to the figure 8 an envelope 40, a base 41, a shelf tray 42, a bottom 43 and four reinforcements 44.
  • the procedure for mounting the shelf 30 is illustrated in the Figures 9A to 9J .
  • the different zones provided in the different parts 40, 41, 42, 43, 44 are delimited between them by fold lines made by grooving during the cutting operation.
  • the envelope 40 is used with three central parts intended to form the two side walls 45 and the upper wall 46 of the shelf 30.
  • Three reinforcements 44 are superimposed on the three walls of the envelope 40, namely on the two side walls 45 and on the upper wall 46, by folding at 90 ° the flaps 44a provided on either side of each reinforcement 44 ( Fig. 9A ).
  • the two flaps 40a provided on either side of the walls 45, 46 of the envelope 40 are folded over the reinforcements 44 by fitting the flaps 40b provided at the ends of the flaps 40a in the notch 44b provided in the middle of the flaps. 44a reinforcements 44 ( Fig. 9B ).
  • the shelf plate 42 is folded in half, a first side wall 45 of the envelope 40 is folded at 90 °, and the lateral tabs 42a provided on one side of the shelf plate 42 are inserted into the notches 40c provided for. in the flaps 40a of this first folded side wall 45 ( Fig. 9C ).
  • the second side wall 45 of the envelope 40 is folded at 90 ° by fitting the two lateral tabs 42a provided on the other side of the shelf plate 42 in the notches 40c provided in the flaps 40a of this second folded side wall 45 ( Fig. 9D ).
  • the base 41 of the shelf 30 is prepared by proceeding as the envelope 40.
  • the last reinforcement 44 is superimposed on the central part of the base 41 intended to form the lower wall 47 of the shelf 30 by folding them at 90 °. flaps 44a ( Fig. 9E ).
  • the bottom wall 47 is assembled to the side walls 45 of the shelf 30 by introducing, via corresponding slots, the fixing lugs 41c provided on either side of the bottom wall 47 into the fixing lugs 40d provided in extension of the side walls. 45.
  • the four partially cut tabs 48 are dissected in the flaps 41a of the base 41 generating four recesses 49 giving access to the interior of the lower wall 47 (FIG. Fig. 9H ).
  • Each tongue 48 is inserted into each recess 49 to insert it into the slot of the corresponding fixing lug 40d and thus lock the assembly of the lower wall 47 to the side walls 45 of the shelf 30 (FIG. Fig. 9I ).
  • the bottom 43 is assembled by folding at 90 ° the flaps 43a provided on the four sides of the bottom 43 and by fitting them in slots 40e provided in the side walls 45, the upper wall 46 and the bottom wall 47 (9J) to finish. the shelf 30 ( Fig. 10 ).
  • FIG. 11 to 15 illustrate a last example of embodiment applied to a luminaire 50 to suspend ( Fig. 15 ) which is made from the mounting kit 51 of the figure 11 obtained by precutting all the parts constituting said luminaire 50 in a single and only raw sheet 52 of material.
  • the cut sheet 53 obtained after cutting comprises an armature 54 and all the parts necessary for the luminaire 50 held integrally with said sheet or between them by uncut areas 55 forming attachment points 55a, connecting tabs 58a, 59a, or the like.
  • Also cut into the armature 54 is at least two substantially oblong openings 36 at predetermined locations to allow the passage of a hand when the cut sheet 53 is folded into a carrying case 57 (FIG. Fig. 12E ).
  • the arrangement of the parts of the mounting kit 51 is distributed and optimized in the raw sheet 52. It is created by grooving during the cutting operation a first hinge fold 58 on a longitudinal centerline L and two hinge folds 59 on two medial transverse lines T making it possible to divide the cut sheet 53 into six parts A, B, C, D, E, F substantially equal.
  • the hinge folds 58, 59 are, as in the example of the stool 5, formed by connecting lugs 58a, 59a.
  • parts A and B are folded respectively on parts D and C around the hinge fold 58 ( Fig. 12A ). Then, parts A and D on parts B and E ( Fig. 12B ). Then, parts A, D, B, E on part F ( Fig.
  • the mounting kit 51 of the luminaire 50 is thus contained in a single cut sheet 53 and folded to form a compact bag 57, lightweight, and very easy to store and transport.
  • the openings 56 previously cut in the armature 54 of the cut sheet 53 are superimposed to form the carrying handle of the case 57 and are interlocked to each other to secure together the various parts A to F folded on each other. other.
  • the consumer P unlocks the carrying handle to unfold the cut sheet 53. It detaches all the parts to separate them from the frame 54 or between them by breaking the attachment points 55a and the connecting lugs 58a, 59a . It retains the frame 54 on which is printed the assembly instructions.
  • the parts contained in the mounting kit 51 comprise with reference to the figure 13 (to be added in the figures) two envelopes 60 perforated and accordion, a lower circle 61, an upper circle 62 and a filter 63.
  • the procedure for mounting the luminaire 50 is illustrated in the Figures 14A to 14F .
  • the upper circle 62 is added and the pins 62a provided on the periphery of the upper circle 62 are nested in the holes 60a provided on the other edge of the envelope 60 (FIG. Fig. 14B ).
  • the second envelope 60 is added by interlocking respectively the spurs 61a of the lower circle 61 and the spikes 62a on the upper circle 62 in the corresponding holes 60a of the second envelope 60 ( Fig. 14C ).
  • the two envelopes 60 are laterally assembled together by interlocking with each other the fastening lugs 60b provided along their lateral edges ( Fig. 14D ).
  • Electrical accessories such as a socket 64 with its power cable and a bulb 65, which may be a light-emitting diode ( Fig. 14E ).
  • the lower part of the luminaire 50 is closed by adding the filter 63.
  • the fastening lugs 63a provided at its periphery are folded at 90 ° and are fitted into slots 61b provided in the lower disc 61 ( Fig. 14F ) to obtain the luminaire 50 ( Fig. 15 ).
  • the manufacturing method according to the invention makes it possible to achieve the goals set, namely an industrial process, making it possible to offer for sale optimized mounting kits, without added packaging, these kits allow you to assemble three-dimensional items, such as furniture, interior and exterior decoration objects, especially if the raw sheet of material is made hydrophobic by treatment or filming, games and toys, objects utilities such as footwear such as flip-flops, hairstyles such as hats, shelters such as tents, etc ..., simple, fast, fun, without special difficulty and without tools or adding glue or other fasteners.
  • the assemblies obtained are all removable and indefinitely recyclable.
  • the products obtained are light, economical, and ecological.

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Abstract

La présente invention concerne un procédé de fabrication d'un article tel qu'un meuble à partir d'un kit de montage comportant une pluralité de pièces planes issues d'une feuille brute de matière telle que du carton, caractérisé en ce que, pour réaliser le kit de montage (11), l'on positionne toutes les pièces dans ladite feuille brute (12), l'on prédécoupe lesdites pièces dans ladite feuille brute pour obtenir une feuille découpée (13), lors de l'opération de découpe, l'on préserve des zones non découpées (15) formant des points d'attache (15a) agencés pour maintenir les pièces prédécoupées entre-elles et dans ladite feuille découpée, l'on crée au moment de l'opération de découpe, au moins un premier pli charnière (18) sur une ligne médiane (L) séparant ladite feuille découpée en deux parties sensiblement égales, et l'on rabat les deux parties l'une sur l'autre en pliant ladite feuille découpée autour dudit premier pli charnière pour former une valisette de transport du kit de montage.The present invention relates to a method of manufacturing an article such as a piece of furniture from a mounting kit comprising a plurality of planar pieces from a raw sheet of material such as cardboard, characterized in that, for producing the mounting kit (11), positioning all the pieces in said raw sheet (12), precutting said pieces in said raw sheet to obtain a cut sheet (13), during the cutting operation uncut areas (15) forming attachment points (15a) arranged to hold the pre-cut pieces together and in said cut sheet are maintained at the time of the cutting operation, minus a first hinge fold (18) on a center line (L) separating said cut sheet into two substantially equal portions, and fold the two portions together by folding said cut sheet around said first hinge fold to form a carrying case of the mounting kit.

Description

Domaine technique :Technical area :

La présente invention concerne un procédé de fabrication d'un article en trois dimensions à partir d'un kit de montage comportant une pluralité de pièces planes issues d'au moins une feuille brute de matière telle que du carton, ledit article étant obtenu par assemblage de ladite pluralité de pièces liées entre-elles, procédé dans lequel, pour réaliser le kit de montage dudit article, l'on positionne toutes les pièces dudit article dans ladite au moins une feuille brute de matière, l'on prédécoupe lesdites pièces dans ladite feuille brute pour obtenir une feuille découpée, lors de l'opération de découpe, l'on préserve des zones non découpées formant des points d'attache agencés pour maintenir les pièces prédécoupées entre-elles et dans ladite feuille découpée.The present invention relates to a method of manufacturing a three-dimensional article from a mounting kit comprising a plurality of planar parts from at least one raw sheet of material such as cardboard, said article being obtained by assembly of said plurality of parts connected to each other, in which process, in order to produce the assembly kit for said article, all the pieces of said article are positioned in said at least one raw sheet of material, said parts are precut in said raw sheet to obtain a cut sheet, during the cutting operation, uncut areas are formed forming attachment points arranged to hold the precut pieces together and in said cut sheet.

L'invention concerne également un kit de montage pour fabriquer un article en trois dimensions, ledit kit de montage comportant une pluralité de pièces planes issues d'au moins une feuille brute de matière telle que du carton, ainsi qu'un article obtenu par assemblage de ladite pluralité de pièces en carton liées entre-elles.The invention also relates to a mounting kit for manufacturing a three-dimensional article, said mounting kit comprising a plurality of planar parts from at least one raw sheet of material such as cardboard, and an article obtained by assembly. said plurality of cardboard pieces bonded together.

Technique antérieure :Prior art:

L'usage du carton ou similaire s'est largement répandu dans les domaines de l'ameublement, de la décoration intérieure, du jouet et d'autres objets de la vie courante étant donné que cette matière présente de nombreux avantages. Elle est légère et rigide à la fois. Elle est également économique et écologique puisqu'elle peut être recyclée indéfiniment. Ainsi, dans le domaine particulier de l'ameublement, les meubles réalisés dans cette matière se sont développés et démocratisés. Ils sont faciles à manipuler, à transporter et à déménager. Ils sont suffisamment solides et résistants pour supporter des charges. Ils peuvent en outre être personnalisés à souhait. Ces avantages varient toutefois selon le procédé de fabrication retenu et la conception même du meuble réalisé. Certains meubles sont notamment proposés à la vente sous la forme d'un kit de montage, comportant des pièces planes découpées à assembler, visant à permettre un montage accessible à tout en chacun, simple, ludique, sans compétences particulières requises, à un prix attractif. Les publications US 4,875,737 , US 6,048,032 , EP 2 099 334 B1 et DE 10 2010 040 712 A1 proposent des exemples de meubles en carton fabriqués à partir d'un kit de montage comportant une pluralité de pièces découpées dans différentes feuilles de carton, ces pièces découpées étant superposées et transportées à plat, pour être ensuite assemblées en trois dimensions. Dans tous les cas, les pièces découpées constituant le kit de montage sont conditionnées à plat dans un emballage spécifique, tel qu'un emballage en carton, un film, un conteneur en forme de valisette ou similaire, facilitant leur stockage et leur transport. Lors de la fabrication de ce type de kit de montage, chaque pièce découpée constituant le meuble doit être individuellement identifiée, référencée, gérée et manipulée jusqu'à être rassemblée avec les autres pièces découpées pour être conditionnée en kit. Ce procédé de fabrication nécessite par conséquent une gestion de production et de stockage fastidieuse, compte tenu des références multiples à prévoir pour chaque type de meuble. Ce procédé n'est ainsi pas exempt d'erreur ni d'oubli dans le conditionnement des pièces découpées. La fabrication en elle-même n'est pas optimisée, engendre des déchets de matière important, et génère des coûts importants, induisant des prix de vente non attractifs. Le suremballage induit forcément des coûts supplémentaires de matière et de main d'oeuvre, ainsi que des déchets importants. L'assemblage des pièces en carton n'est pas non plus optimisé car il nécessite la plupart du temps le collage de certaines parties entre-elles augmentant la durée du montage, compliquant le montage, ajoutant de la matière première, et rendant impossible le démontage du meuble, celui-ci devant être transporté en volume en cas de déménagement, ce qui là encore ajoute un coût supplémentaire. Une finition à base de papier collé doit être souvent ajoutée pour cacher les arêtes coupantes qui restent visibles.The use of cardboard or the like has become widespread in the fields of furniture, interior decoration, toys and other everyday objects as this material has many advantages. She is light and stiff at the same time. It is also economical and environmentally friendly since it can be recycled indefinitely. Thus, in the particular field of furniture, the furniture made in this matter has developed and democratized. They are easy to handle, transport and relocate. They are strong enough and strong enough to support loads. They can also be customized as desired. These advantages, however, vary according to the manufacturing process adopted and the actual design of the piece of furniture produced. Some furniture is offered for sale in the form of a mounting kit, including cut pieces planed to assemble, to allow assembly accessible to everyone, simple, fun, without special skills required, at an attractive price . The publications US 4,875,737 , US 6,048,032 , EP 2 099 334 B1 and DE 10 2010 040 712 A1 provide examples of cardboard furniture made from a mounting kit comprising a plurality of pieces cut from different sheets of cardboard, these cut pieces being superimposed and transported flat, to be then assembled in three dimensions. In all cases, the cut pieces constituting the mounting kit are packaged flat in a specific packaging, such as a cardboard packaging, a film, a container-shaped suitcase or the like, facilitating their storage and transport. During the manufacture of this type of mounting kit, each cut piece constituting the piece of furniture must be individually identified, referenced, managed and manipulated until it is assembled with the other cut pieces to be packaged as a kit. This manufacturing process therefore requires a production management and storage tedious, given the multiple references to provide for each type of furniture. This method is thus not free from error or forgetting in the packaging of cut pieces. The manufacturing itself is not optimized, generates significant material waste, and generates significant costs, leading to unattractive sales prices. Overpackage inevitably entails additional material and labor costs, as well as significant waste. The assembly of the cardboard parts is also not optimized because it requires most of the time the gluing of certain parts together increasing the duration of the assembly, complicating the assembly, adding raw material, and making it impossible to disassemble furniture, which must be transported in volume in case of moving, which again adds an additional cost. A basic finish Bonded paper should often be added to hide sharp edges that remain visible.

On connait par ailleurs, dans le domaine de l'emballage des denrées alimentaires en vrac, des boites en carton qui comportent accessoirement un jeu ou un jouet en carton à fabriquer à partir de ces boites lorsque les denrées alimentaires ont été consommées. De tels exemples sont par exemple décrits dans les publications JP S59 75482 U et US 2004/094610 A1 . Ces boites, qui forment souvent un suremballage, sont formées à partir d'une feuille de carton relativement mince, inférieure au millimètre pour économiser de la matière première. On parle dans ce cas de carton compact et jamais de carton ondulé trop couteux à produire pour ce type d'application. Elles ont généralement une forme parallélépipédique et une dimension correspondant sensiblement à un format A4. Les pièces du jeu ou du jouet sont par conséquent de petites tailles et prédécoupées dans une au moins des parois avant ou arrière de la boite. L'objet en trois dimensions obtenu après assemblage des pièces est de petite taille, léger et de faible résistance mécanique. Ainsi, cette conception est très éloignée du domaine de l'invention, qui concerne majoritairement celui de l'ameublement et de la décoration intérieure, et qui nécessite par conséquent des pièces de grande taille, au-delà de la dimension de ces boites d'emballage, prédécoupées dans une feuille de carton épais, au-delà de l'épaisseur de la feuille de carton utilisée pour ces boites. Les solutions actuelles ne sont donc pas totalement satisfaisantes.Also known in the field of bulk food packaging, cardboard boxes that incidentally include a game or a cardboard toy to be made from these boxes when the food has been consumed. Examples of such examples are described in the publications JP S59 75482 U and US 2004/094610 A1 . These boxes, which often form an overpack, are formed from a relatively thin sheet of cardboard, less than a millimeter to save raw material. In this case we speak of compact cardboard and never corrugated paperboard too expensive to produce for this type of application. They generally have a parallelepipedal shape and a dimension substantially corresponding to an A4 format. The parts of the game or the toy are therefore small and pre-cut in at least one of the front or rear walls of the box. The three-dimensional object obtained after assembly of the parts is small, lightweight and of low mechanical strength. Thus, this design is very far from the field of the invention, which mainly concerns furniture and interior decoration, and therefore requires large pieces, beyond the size of these boxes. packaging, precut in a thick cardboard sheet, beyond the thickness of the cardboard sheet used for these boxes. The current solutions are therefore not totally satisfactory.

Exposé de l'invention :Presentation of the invention

La présente invention vise à pallier ces inconvénients en proposant un nouveau procédé de fabrication d'un article en trois dimensions dans une feuille de matière telle que du carton, conditionné en kit de montage permettant d'optimiser la production industrielle, pour abaisser les coûts de fabrication, réduire les déchets, et garantir une répétabilité élevée, sans ajouter de suremballage, garantissant l'intégrité du kit de montage, sans perte ni oubli de pièces, facilitant ainsi la gestion des références à produire, tout en offrant à l'acheteur un article de qualité, très facile à assembler, sans colle, ni ciseau ou cutter, ni accessoire supplémentaire, ni aucune finition additionnelle, pouvant être démonté rapidement pour pouvoir être transporté à plat, ledit article obtenu pouvant bien entendu être personnalisé à souhait, et étant sécurisé sans aucune arête coupante visible.The present invention aims to overcome these disadvantages by proposing a new method of manufacturing a three-dimensional article in a sheet of material such as cardboard, packaged in a mounting kit for optimizing industrial production, to lower the costs of production. manufacturing, reduce waste, and ensure high repeatability, without adding overwrap, ensuring the integrity of the mounting kit, without loss or omission of parts, thus facilitating the management of references to produce, while offering the buyer a quality item, very easy to assemble, without glue, chisel or cutter, additional accessory, or any additional finish, which can be quickly disassembled to be transported flat, said article obtained can of course be customized as desired, and being secure without any visible cutting edge.

Dans ce but, l'invention concerne un procédé de fabrication du genre indiqué en préambule, caractérisé en ce que l'on découpe au moins deux ouvertures sensiblement oblongues dans ladite feuille découpée à des emplacements prédéterminés, en ce que l'on crée, au moment de l'opération de découpe, au moins un premier pli charnière sur une ligne médiane séparant ladite feuille découpée en deux parties sensiblement égales, en ce que l'on rabat les deux parties l'une sur l'autre en pliant ladite feuille découpée autour dudit premier pli charnière pour former une valisette de transport du kit de montage, et en ce que lesdites ouvertures sont agencées pour permettre le passage d'une main et pour délimiter avec la feuille découpée une poignée de transport lorsque ladite feuille découpée est pliée en valisette.For this purpose, the invention relates to a method of manufacture of the kind indicated in the preamble, characterized in that at least two substantially oblong openings are cut in said cut sheet at predetermined locations, in that one creates, at the moment of the cutting operation, at least a first hinge fold on a median line separating said cut sheet into two substantially equal parts, in that the two parts are folded one over the other by folding said cut sheet around said first hinge fold to form a carrying case of the mounting kit, and in that said openings are arranged to allow the passage of a hand and to delimit with the cut sheet a carrying handle when said cut sheet is folded into suitcase.

De manière préférentielle, l'on découpe les pièces dudit article dans une unique feuille brute de matière.Preferably, the pieces of said article are cut in a single raw sheet of material.

Toutefois et selon les dimensions dudit article, l'on peut découper les pièces dudit article dans au moins deux feuilles brutes de matière. Dans ce cas, l'on plie au moins une desdites feuilles découpées obtenues autour de l'autre feuille découpée pour former ladite valisette.However and according to the dimensions of said article, it is possible to cut the pieces of said article into at least two raw sheets of material. In this case, at least one of said cut sheets obtained is folded around the other cut sheet to form said bag.

Selon les dimensions de ladite feuille découpée, l'on peut créer lors de l'opération de découpe, au moins un premier pli charnière et un deuxième pli charnière sur deux lignes médianes perpendiculaires entre elles séparant ladite feuille découpée en quatre parties sensiblement égales, l'on découpe le deuxième pli charnière jusqu'à l'intersection avec le premier pli charnière, et l'on rabat les quatre parties l'une sur l'autre en pliant ladite feuille découpée autour respectivement du premier pli charnière puis autour du deuxième pli charnière pour former ladite valisette.According to the dimensions of said cut sheet, at least a first hinge fold and a second hinge fold can be created during the cutting operation on two median lines perpendicular to each other separating said cut sheet into four substantially equal portions, cut the second hinge fold to the intersection with the first hinge fold, and we fold the four parts one on the other by folding said cut sheet around respectively the first hinge fold and then around the second hinge fold to form said bag.

L'on peut aussi créer lors de l'opération de découpe un premier pli charnière sur une ligne médiane puis un deuxième et un troisième plis charnières sur deux lignes parallèles entre elles et perpendiculaires à ladite ligne médiane séparant ladite feuille découpée en six parties sensiblement égales, l'on découpe les deuxième et troisième plis charnières jusqu'à l'intersection avec le premier pli charnière, et l'on rabat les six parties l'une sur l'autre en pliant ladite feuille découpée autour respectivement du premier pli charnière puis du deuxième pli charnière et pour finir du troisième pli charnière pour former ladite valisette.It is also possible to create during the cutting operation a first hinge fold on a median line and then a second and third hinge fold on two lines parallel to each other and perpendicular to said center line separating said cut sheet into six substantially equal parts. , the second and third hinge folds are cut to the intersection with the first hinge fold, and the six parts are folded one over the other by folding said cut sheet around respectively the first hinge fold and then the second hinge fold and finally the third hinge fold to form said bag.

L'on peut créer dans lesdites ouvertures des moyens de verrouillage agencés pour maintenir entre-elles les parties de ladite feuille découpée lorsqu'elle est pliée en valisette.In said apertures locking means arranged to hold the parts of said cut sheet when folded in a suitcase can be created in said openings.

Préalablement à l'opération de découpe, l'on peut imprimer au moins une notice de montage dudit article sur ladite feuille brute de matière.Prior to the cutting operation, at least one mounting instruction for said article can be printed on said raw sheet of material.

Ce but est atteint également par un kit de montage tel que défini en préambule et caractérisé en ce qu'il est réalisé à partir du procédé de fabrication tel que défini ci-dessus, permettant de fabriquer un meuble choisi parmi un tabouret, une chaise, une table de chevet avec tiroir, une étagère, une étagère multiple, un sommier, ou tout autre article choisi parmi un objet de décoration tel qu'un luminaire, un jeu, un jouet, un objet utilitaire.This object is also achieved by a mounting kit as defined in the preamble and characterized in that it is produced from the manufacturing method as defined above, making it possible to manufacture a piece of furniture chosen from a stool, a chair, a bedside table with a drawer, a shelf, a multiple shelf, a bedstead, or any other item chosen from a decorative object such as a light, a game, a toy, a utility object.

Description sommaire des dessins :Brief description of the drawings:

La présente invention et ses avantages apparaîtront mieux dans la description suivante de plusieurs modes de réalisation donnés à titre d'exemples non limitatifs, en référence aux dessins annexés, dans lesquels:

  • la figure 1 est une vue en plan d'une feuille brute de matière dans laquelle toutes les pièces d'un tabouret sont prédécoupées pour créer un kit de montage,
  • les figures 2A à 2D sont des vues en perspective de la feuille découpée obtenue après découpe de la feuille brute de la figure 1, montrant les étapes de pliage de la feuille découpée pour conditionner le kit de montage en valisette transportable,
  • la figure 3 est une vue en plan des différentes pièces détachées de la feuille découpée de la figure 2A après dépliage du kit de montage,
  • les figures 4A à 4F sont des vues en perspective des différentes pièces en cours d'assemblage pour former un tabouret selon la figure 5,
  • la figure 5 est une vue en perspective du tabouret obtenu avec le kit de montage de la figure 1,
  • la figure 6 est une vue en plan de deux feuilles brutes de matière dans lesquelles toutes les pièces d'une étagère sont prédécoupées pour créer un kit de montage,
  • les figures 7A à C sont des vues en perspective des deux feuilles découpées obtenues après découpe des feuilles brutes de la figure 6, montrant respectivement l'assemblage des deux feuilles découpées et le pliage d'une feuille découpée autour de l'autre pour conditionner le kit de montage en valisette transportable,
  • la figure 8 est une vue en plan des différentes pièces détachées des deux feuilles découpées de la figure 7A après dépliage du kit de montage,
  • les figures 9A à 9J sont des vues en perspective des différentes pièces en cours d'assemblage pour former une étagère selon la figure 10,
  • la figure 10 est une vue en perspective de l'étagère obtenue avec le kit de montage de la figure 6,
  • la figure 11 est une vue en plan d'une feuille brute dans laquelle toutes les pièces d'un luminaire sont prédécoupées pour créer un kit de montage,
  • les figures 12A à 12E sont des vues en perspective de la feuille découpée obtenue après découpe de la feuille brute de la figure 11, montrant les différentes étapes de pliage de la feuille découpée pour conditionner le kit de montage en valisette transportable,
  • la figure 13 est une vue en plan des différentes pièces détachées de la feuille découpée de la figure 12A après dépliage du kit de montage,
  • les figures 14A à 14F sont des vues en perspective des différentes pièces en cours d'assemblage pour former un luminaire selon la figure 15, et
  • la figure 15 est une vue en perspective du luminaire obtenu avec le kit de montage de la figure 11.
The present invention and its advantages will appear better in the following description of several embodiments given as non-limiting examples, with reference to the appended drawings, in which:
  • the figure 1 is a plan view of a blank sheet of material in which all parts of a stool are precut to create a mounting kit,
  • the Figures 2A to 2D are perspective views of the cut sheet obtained after cutting the raw sheet of the figure 1 showing the folding steps of the cut sheet for packaging the transportable bag assembly kit,
  • the figure 3 is a plan view of the different parts of the cut sheet of the Figure 2A after unfolding the mounting kit,
  • the Figures 4A to 4F are perspective views of the various pieces being assembled to form a stool according to the figure 5 ,
  • the figure 5 is a perspective view of the stool obtained with the mounting kit of the figure 1 ,
  • the figure 6 is a plan view of two raw sheets of material in which all parts of a shelf are precut to create a mounting kit,
  • the Figures 7A-C are perspective views of the two cut sheets obtained after cutting the raw leaves of the figure 6 , respectively showing the assembly of the two cut sheets and the folding of a sheet cut around the other to condition the transportable bag assembly kit,
  • the figure 8 is a plan view of the different parts of the two cut sheets of the Figure 7A after unfolding the mounting kit,
  • the Figures 9A to 9J are perspective views of the different pieces being assembled to form a shelf according to the figure 10 ,
  • the figure 10 is a perspective view of the shelf obtained with the mounting kit of the figure 6 ,
  • the figure 11 is a plan view of a blank sheet in which all pieces of a luminaire are precut to create a mounting kit,
  • the Figures 12A to 12E are perspective views of the cut sheet obtained after cutting the raw sheet of the figure 11 , showing the different steps of folding the cut sheet to condition the transportable bag assembly kit,
  • the figure 13 is a plan view of the different parts of the cut sheet of the figure 12A after unfolding the mounting kit,
  • the Figures 14A to 14F are perspective views of the various parts being assembled to form a luminaire according to the figure 15 , and
  • the figure 15 is a perspective view of the luminaire obtained with the mounting kit of the figure 11 .

Illustrations de l'invention et différentes manières de la réaliser :Illustrations of the invention and different ways of making it:

Le procédé de fabrication selon l'invention est décrit en référence à trois types de meubles différents, à savoir un tabouret selon les figures 1 à 5, une étagère selon les figures 6 à 10 et un luminaire selon les figures 11 à 15. Ces trois exemples de réalisation ont pour objectif d'expliquer le procédé de fabrication de l'invention de manière concrète. Bien entendu, ces exemples de réalisation ne sont pas limitatifs et montrent au contraire le champ des possibles qu'offre ce nouveau procédé de fabrication qui n'a de limite que l'imagination du concepteur de produits ou d'articles en trois dimensions destinés notamment mais pas exclusivement à l'ameublement, la décoration intérieure, la décoration extérieure, le jouet, l'objet utilitaire, etc.The manufacturing method according to the invention is described with reference to three different types of furniture, namely a stool according to the Figures 1 to 5 , a shelf according to Figures 6 to 10 and a luminaire according to the Figures 11 to 15 . These three embodiments are intended to explain the manufacturing process of the invention in a concrete manner. Of course, these examples of embodiments are not limiting and instead show the range of possibilities offered by this new manufacturing process which has no limit that the imagination of the designer of products or three-dimensional articles intended in particular but not exclusively to furnishings, interior decoration, exterior decoration, toys, utility objects, etc.

Dans les exemples de réalisation illustrés, les éléments ou parties identiques portent les mêmes numéros de référence. La matière utilisée se présente généralement sous la forme d'une feuille brute de matière, plane, et de préférence rectangulaire, sans que cette forme ne soit limitative. La matière peut être du carton. Dans ce cas, la feuille brute peut être constituée d'une ou de plusieurs couches de carton plat et/ou ondulé, superposées et collées entre elles. Lorsqu'on utilise du carton plat, on parle de carton compact dont l'épaisseur d'une couche peut varier entre 0,25mm et 0,40mm, sans que ces valeurs ne soient limitatives. Lorsqu'on utilise du carton ondulé, chaque couche de carton peut être à simple, double ou triple cannelures, selon les applications visées et les contraintes mécaniques auxquelles l'article fabriqué doit répondre. A titre d'exemple, l'épaisseur d'une couche de carton ondulé peut varier en fonction de l'épaisseur des cannelures entre 0.7mm et 5mm, sans que ces valeurs ne soient limitatives. On peut bien entendu superposer plusieurs couches de carton ondulé augmentant d'autant l'épaisseur de la feuille brute de matière et sa résistance mécanique. Cet exemple de matière n'est pas limitatif et s'étend à toute autre matière pouvant être découpée et pliée de manière similaire au carton, et présentant des avantages similaires au carton, tels que légèreté et rigidité. On peut citer certaines matières synthétiques ou composites, tel qu'à titre d'exemple le polypropylène alvéolaire, le polycarbonate alvéolaire, et toute matière alvéolaire équivalente.In the exemplary embodiments illustrated, the elements or identical parts bear the same reference numbers. The material used is generally in the form of a raw sheet of material, flat, and preferably rectangular, without this form being limiting. The material can be cardboard. In this case, the raw sheet may consist of one or more layers of flat and / or corrugated cardboard, superimposed and glued together. When using flat cardboard, it is called compact cardboard whose thickness of a layer may vary between 0.25mm and 0.40mm, without these values being limiting. When corrugated cardboard is used, each layer of cardboard may be single, double or triple corrugated, depending on the intended applications and the mechanical stresses to which the manufactured article must respond. For example, the thickness of a layer of corrugated cardboard may vary depending on the thickness of the grooves between 0.7mm and 5mm, without these values being limiting. One can of course superimpose several layers of corrugated cardboard increasing all the thickness of the raw sheet of material and its mechanical strength. This example of material is not limiting and extends to any other material that can be cut and folded in a manner similar to the cardboard, and having similar advantages to the cardboard, such as lightness and rigidity. Mention may be made of certain synthetic or composite materials, such as, for example, cellular polypropylene, cellular polycarbonate, and any equivalent cellular material.

Le tabouret 10, illustré à la figure 5, est réalisé à partir du kit de montage 11 de la figure 1 obtenu par prédécoupage de toutes les pièces constituant ledit tabouret 10 dans une seule et unique feuille brute de matière 12. On entend par « prédécoupage » le fait de découper partiellement le contour des pièces dans la feuille brute de matière pour qu'elles restent attachées par des zones non découpées formant des points d'attache comme décrit ci-après, ces points d'attache pouvant être rompus à la main sans outillage. Après découpe et évacuation des déchets techniques de la feuille brute de matière 12, on obtient une feuille découpée 13 d'un seul tenant. Cette feuille découpée 13 comporte toutes les pièces du tabouret 10 prédécoupées et une armature 14 maintenues solidaires entre-elles et à ladite feuille découpée 13 par des zones non découpées 15 formant des points d'attache 15a, des pattes de liaison 18a, 19a, ou similaires. On découpe également dans l'armature 14 au moins deux ouvertures 16 sensiblement oblongues à des emplacements prédéterminés pour permettre le passage d'une main lorsque la feuille découpée 13 est pliée en valisette 17 de transport (fig. 2D).Stool 10, shown in figure 5 , is made from the mounting kit 11 of the figure 1 obtained by precutting all the parts constituting said stool 10 in a single raw sheet of material 12. "Pre-cut" means to partially cut the outline of the pieces in the raw sheet of material so that they remain attached by uncut areas forming attachment points as described below, these attachment points can be broken by hand without tools. After cutting and disposal of the technical waste of the raw sheet of material 12, a cut sheet 13 is obtained in one piece. This cut sheet 13 comprises all the parts of the stool 10 pre-cut and a frame 14 held together with each other and said cut sheet 13 by uncut areas 15 forming attachment points 15a, connecting lugs 18a, 19a, or Similar. The armature 14 is also cut into at least two substantially oblong apertures 16 at predetermined locations to allow the passage of a hand when the cut sheet 13 is folded into a carrying case 17 (FIG. Fig. 2D ).

Bien entendu, avant cette opération de découpe, on peut imprimer sur la feuille brute de matière 12, toute information et/ou toute indication nécessaire à la commercialisation et au montage du meuble ou de l'article en kit. Le verso de l'armature 14 restant visible une fois la feuille découpée 13 pliée en valisette 17 peut être utilisé pour l'impression d'une photographie ou d'un dessin du meuble à réaliser avec le kit de montage 11, d'une notice de montage, d'un logo, d'une marque de fabrique, etc.Of course, before this cutting operation, it is possible to print on the raw sheet of material 12 any information and / or any indication necessary for the marketing and assembly of the piece of furniture or the article in kit form. The back of the armature 14 remaining visible once the cut sheet 13 folded suitcase 17 can be used for printing a photograph or a drawing of the furniture to be made with the mounting kit 11, a mounting instructions, a logo, a trademark, etc.

L'opération d'impression ainsi que l'opération de découpe peuvent être réalisées chacune en une seule et unique passe respectivement sur une machine d'impression puis sur une machine de découpe. L'impression peut être effectuée par flexographie, jet d'encre, sérigraphie, offset, ou toute autre technique d'impression appropriée. La découpe peut être effectuée par emboutissage, laser, ou tout autre moyen de coupe approprié. La feuille découpée 13 peut ainsi être produite industriellement en grande série à moindre coût et avec une logistique très simplifiée. Les feuilles découpées 13 obtenues peuvent être facilement empilées sur une palette ou similaire pour être stockées, transportées puis conditionnées.The printing operation and the cutting operation can each be performed in a single pass on a printing machine and then on a cutting machine respectively. The printing can be done by flexography, inkjet, screen printing, offset, or any other suitable printing technique. The cutting can be done by stamping, laser, or any other suitable cutting means. The cut sheet 13 can thus be produced industrially in mass production at a lower cost and with a very simplified logistics. The cut sheets 13 obtained can be easily stacked on a pallet or the like to be stored, transported and packaged.

Dans le cadre de cette opération de découpe, on cherche à optimiser la disposition des pièces constituant le kit de montage 11 dans la feuille brute 12 et on peut utiliser à cette fin un logiciel de dessin approprié ou tout moyen équivalent. On va de préférence placer les pièces de manière adjacente l'une par rapport à l'autre et symétriquement par rapport à deux lignes médianes perpendiculaires L et T, à savoir une ligne médiane longitudinale L et une ligne médiane transversale T. Ces deux lignes médianes L et T permettent de diviser la feuille brute 12 en quatre parties A, B, C, D sensiblement égales. Cette disposition permet ainsi d'optimiser la quantité de matière nécessaire en réduisant les vides et donc les déchets de matière. Cette disposition permet en outre de séparer les parties A et B et d'autoriser le pliage l'une sur l'autre des parties A, B, C et D de la feuille découpée 13, comme expliqué ci-après pour former une valisette 17 facilement transportable par une personne P, conformément à la figure 2D. Pour faciliter le pliage en quatre de la feuille découpée 13 en valisette 17, on crée par rainurage lors de l'opération de découpe, un premier pli charnière 18 sur la ligne médiane longitudinale L et un deuxième pli charnière 19 sur la ligne médiane transversale T. Le premier pli charnière 18 a une largeur sensiblement égale à deux épaisseurs de matière, est divisé en deux à l'intersection des lignes médianes L et T, et s'étend d'une part entre les parties A et C reliées entre-elles par des pattes de liaison 18a, et d'autre part entre les parties B et D reliées entre-elles par des pattes de liaison 18b, ces pattes de liaison 18a et 18b étant formées par des zones non découpées 15 de la feuille brute 12. Le deuxième pli charnière 19 a une largeur sensiblement égale à quatre épaisseurs de matière, et s'étend uniquement entre les parties C et D reliées entre-elles par des pattes de liaison 19a formées également par des zones non découpées 15 de la feuille brute 12, les parties A et B n'étant plus liées.As part of this cutting operation, it is sought to optimize the arrangement of the parts constituting the mounting kit 11 in the raw sheet 12 and can be used for this purpose a suitable drawing software or any equivalent means. The parts will preferably be placed adjacent to each other and symmetrically with respect to two median perpendicular lines L and T, namely a longitudinal center line L and a transverse center line T. These two middle lines L and T make it possible to divide the raw sheet 12 into four substantially equal parts A, B, C, D. This arrangement thus makes it possible to optimize the quantity of material required by reducing voids and thus waste matter. This arrangement also makes it possible to separate the parts A and B and to allow folding of parts A, B, C and D of the cut sheet 13 on one another as explained below to form a bag 17 easily transportable by a person P, in accordance with the 2D figure . To facilitate the folding in four of the cut sheet 13 in bag 17, it is created by grooving during the cutting operation, a first hinge fold 18 on the longitudinal center line L and a second hinge fold 19 on the center line transverse T. The first hinge fold 18 has a width substantially equal to two thicknesses of material, is divided in two at the intersection of the median lines L and T, and extends on the one hand between the parts A and C connected between by connecting tabs 18a, and on the other hand between parts B and D connected to each other by connecting tabs 18b, these connecting tabs 18a and 18b being formed by uncut areas 15 of the raw sheet 12. The second hinge fold 19 has a width substantially equal to four thicknesses of material, and extends only between the parts C and D connected to each other by connecting lugs 19a also formed by uncut areas 15 of the sheet 12, parts A and B are no longer linked.

Le kit de montage 11 du tabouret 10 est ainsi contenu dans une seule et unique feuille découpée 13 qui peut être pliée en quatre sur elle-même conformément à l'exemple illustré aux figures 2A à 2D pour former une valisette 17 compact, légère, et très facile à stocker et à transporter. Chronologiquement, on peut plier respectivement la partie A sur la partie C (fig. 2A) et la partie B sur la partie D (fig. 2B) autour du premier pli charnière 18, et enfin les parties A et C sur les parties B et D autour du deuxième pli charnière 19. Les deux ouvertures 16 préalablement découpées dans l'armature 14 se superposent pour former la poignée de transport de la valisette 17. Ces ouvertures 16 peuvent comporter des moyens de verrouillage, tels que par exemple des languettes et des encoches de formes complémentaires, agencées pour s'emboiter les unes dans les autres et verrouiller ainsi la valisette 17 en position fermée. Les valisettes 17 obtenues sont prêtes à être expédiées sur les lieux de vente. A cet effet, elles peuvent être facilement empilées sur une palette ou similaire pour être stockées, transportées puis acheminées vers les lieux de vente.The mounting kit 11 of the stool 10 is thus contained in a single cut sheet 13 which can be folded in four on itself in accordance with the example shown in FIGS. Figures 2A to 2D to form a suitcase 17 compact, lightweight, and very easy to store and transport. Chronologically, part A can be folded on part C ( Fig. 2A ) and Part B on Part D ( Fig. 2B ) around the first hinge fold 18, and finally the parts A and C on the parts B and D around the second hinge fold 19. The two openings 16 previously cut in the frame 14 are superimposed to form the carrying handle of the suitcase 17. These openings 16 may comprise locking means, such as for example tabs and notches of complementary shapes, arranged to fit into each other and thus lock the bag 17 in the closed position. The suitcases 17 obtained are ready to be sent to the point of sale. For this purpose, they can be easily stacked on a pallet or the like to be stored, transported and then transported to the point of sale.

Le consommateur P qui achète le kit de montage 11 d'un tabouret 10 peut transporter très facilement son meuble contenu dans la valisette 17 car il est léger, compact et muni d'une poignée de transport. Pour monter son meuble, il déverrouille la poignée de transport pour déplier la feuille découpée 13 qui comporte le kit de montage 11. Il détache toutes les pièces pour les séparer de l'armature 14 en rompant les points d'attache 15a. Il conserve l'armature 14 sur laquelle est imprimée la notice de montage. Les pièces contenues dans le kit de montage 11 comportent en référence à la figure 3 deux enveloppes 20, deux premiers renforts 21, deux seconds renforts 22 et quatre entretoises 23.The consumer P who buys the mounting kit 11 of a stool 10 can very easily transport his piece of furniture contained in the case 17 because it is light, compact and provided with a carrying handle. To mount his furniture, he unlocks the carrying handle to unfold the cut sheet 13 which includes the mounting kit 11. It detaches all the parts to separate them from the frame 14 by breaking the points attachment 15a. It retains the frame 14 on which is printed the assembly instructions. The parts contained in the mounting kit 11 comprise with reference to the figure 3 two envelopes 20, two first reinforcements 21, two second reinforcements 22 and four spacers 23.

Il peut à présent procéder au montage du tabouret 10 (fig. 5) selon le mode opératoire illustré dans les figures 4A à 4F. Il assemble les premiers renforts 21 avec les seconds renforts 22 pour former une structure portante 24 du tabouret 10. A cet effet, les renforts 21, 22 de forme sensiblement rectangulaire comportent chacun deux fentes 21a, 22a parallèles entre-elles qui s'étendent sur la moitié de la hauteur de chaque renfort. Les renforts 21 et 22 sont positionnés perpendiculairement entre eux et sont assemblés par un mouvement de translation permettant d'emboiter leurs fentes 21a, 22a respectives l'une dans l'autre (fig. 4A). Des entretoises 23 de forme sensiblement rectangulaires sont rapportées sur deux côtés opposés de la structure portante 24 en emboitant des encoches 23a prévues dans les entretoises 23 dans des encoches 21b correspondantes prévues latéralement dans les renforts 21 (fig. 4B). On obtient une structure portante 24 de section carrée.He can now proceed to assemble the stool 10 ( Fig. 5 ) according to the procedure illustrated in Figures 4A to 4F . It assembles the first reinforcements 21 with the second reinforcements 22 to form a supporting structure 24 of the stool 10. For this purpose, the reinforcements 21, 22 of substantially rectangular shape each comprise two slots 21a, 22a parallel to each other which extend over half the height of each reinforcement. The reinforcements 21 and 22 are positioned perpendicularly to each other and are assembled by a translational movement making it possible to fit their respective slots 21a, 22a into one another ( Fig. 4A ). Spacers 23 of substantially rectangular shape are attached on two opposite sides of the supporting structure 24 by interlocking notches 23a provided in the spacers 23 in corresponding notches 21b provided laterally in the reinforcements 21 (FIG. Fig. 4B ). We obtain a bearing structure 24 of square section.

Pour réaliser l'habillage du tabouret 10, on utilise les deux enveloppes 20 identiques et dans lesquelles les différentes zones prévues sont délimitées entre elles par des lignes de pliage 20a, réalisées par rainurage lors de l'opération de découpe. Pour chaque enveloppe 20, on plie les deux volets 25a, 25b prévus de part et d'autre d'une demi-assise 25 sur la demi-assise 25 qui formera le sommet du tabouret 10. On verrouille cet assemblage en encastrant la forme mâle 25c en oméga du volet 25b dans la forme femelle 25d complémentaire en oméga du volet 25a (fig. 4C). Grâce à ce pliage, les bords du l'assise 25 du tabouret 10 qui resteront visibles sont formés par la pliure du carton qui assure une finition esthétique et sécurisée, puisqu'elle permet de cacher les cannelures et d'éviter les bords coupants. Une première enveloppe 20 est assemblée à la structure portante 24 en emboitant des encoches 26a prévues sur le nez 26 de la demi-assise 25 dans des encoches 22b prévues au sommet des renforts 22 (fig. 4D). Puis on plie à 90° l'enveloppe 20 autour de la structure portante 24 pour former une paroi latérale 27 du tabouret 10, encadrée par deux demi-parois latérales 28 (fig. 4E). On plie à 90° les deux volets 29 prévus aux extrémités des demi-parois latérales 28 et on emboite ces volets 29 sur les entretoises 23 via des encoches 29a, 23b en correspondance. Simultanément, on plie à 90° les rabats 28a prévus au sommet des demi-parois latérales 28 que l'on introduit à l'intérieur du tabouret 10 sous l'assise 25 (fig. 4F). On procède de la même manière avec la seconde enveloppe 20 et l'on obtient le tabouret 10 (fig. 5). Le tabouret 10 étant obtenu sans ajout de colle ni d'aucun moyen de fixation est aisément démontable et peut être remonté sans aucune dégradation des pièces constituant le tabouret 10, notamment en cas de déménagement. Ce tabouret 10 réalisé en carton comportant une structure portante 24 est tout aussi résistant qu'un tabouret en bois ou en métal. Il a en plus l'avantage d'être économique, léger, transportable facilement, et personnalisable.To achieve the dressing of the stool 10, the two identical envelopes 20 are used and in which the different zones provided are delimited between them by fold lines 20a, made by grooving during the cutting operation. For each envelope 20, the two flaps 25a, 25b are folded on either side of a half-seat 25 on the half-seat 25 which will form the top of the stool 10. It locks this assembly by embedding the male form 25c in omega of the flap 25b in the complementary omega 25d female form of the flap 25a ( Fig. 4C ). Thanks to this folding, the edges of the seat 25 of the stool 10 which will remain visible are formed by the fold of the cardboard which ensures an aesthetic and secure finish, since it allows to hide the grooves and avoid sharp edges. A first casing 20 is assembled to the supporting structure 24 by interlocking notches 26a provided on the nose 26 of the half-seat 25 in notches 22b provided at the top of the reinforcements 22 ( Fig. 4D ). Then the casing 20 is folded at 90 ° around the bearing structure 24 to form a side wall 27 of the stool 10, framed by two lateral half-walls 28 ( Fig. 4E ). The two flaps 29 provided at the ends of the half-side walls 28 are folded at 90 ° and these flaps 29 are fitted on the spacers 23 via notches 29a, 23b in correspondence. At the same time, the flaps 28a provided at the top of the lateral half-walls 28 are folded at 90 °, which is introduced inside the stool 10 under the seat 25 (FIG. Fig. 4F ). We proceed in the same way with the second envelope 20 and we obtain the stool 10 ( Fig. 5 ). The stool 10 being obtained without adding glue or any means of attachment is easily removable and can be reassembled without any degradation of the parts constituting the stool 10, especially in case of moving. This stool 10 made of cardboard with a bearing structure 24 is just as resistant as a stool in wood or metal. It has the added advantage of being economical, lightweight, easily transportable, and customizable.

Le procédé de fabrication de l'invention qui vient d'être décrit est bien entendu déclinable à d'autres articles en trois dimensions, comme exposé ci-après. Dans la description qui suit, les étapes du procédé ne sont pas toutes décrites à nouveau en détail. Seules les caractéristiques qui diffèrent sont développées. Dans les cas où le meuble à réaliser est trop grand pour tenir sur une seule et unique feuille brute, alors on répartit les pièces dudit meuble sur plusieurs feuilles brutes de matière, ces pièces étant solidaires des feuilles par des points d'attache, et ces feuilles étant regroupées à l'intérieur d'une des feuilles de matière pour les solidariser sous la forme d'une valisette de transport, conformément au procédé de fabrication de l'invention.The manufacturing method of the invention which has just been described is of course adaptable to other items in three dimensions, as explained below. In the following description, not all process steps are described again in detail. Only the characteristics that differ are developed. In cases where the piece of furniture to be made is too large to fit on a single raw sheet, then the pieces of said piece of furniture are distributed on several raw sheets of material, these pieces being secured to the sheets by attachment points, and these sheets being grouped inside one of the sheets of material to secure them in the form of a carrying case, according to the manufacturing method of the invention.

Les figures 6 à 9 illustrent à cet effet un exemple de réalisation appliqué à une étagère 30 (fig. 10) qui est réalisée à partir du kit de montage 31 de la figure 6 obtenu par prédécoupage de toutes les pièces constituant ladite étagère 30 dans une première feuille brute 32a de matière et dans une seconde feuille brute 32b de matière dont les dimensions correspondent au plus à la moitié de la première feuille brute 32a. On obtient une première feuille découpée 33a qui comporte une armature 34 pour maintenir les pièces solidaires à ladite feuille par des zones non découpées 35 formant des points d'attache 35a, des pattes de liaison 39a, ou similaires. On découpe également dans l'armature 34 au moins deux ouvertures 36 sensiblement oblongues à des emplacements prédéterminés pour permettre le passage d'une main lorsque la feuille découpée 33a est pliée en valisette 37 de transport (fig. 7C). On obtient également une seconde feuille découpée 33b dans laquelle les pièces sont maintenues solidaires entre elles par des zones non découpées 35 formant des points d'attache 35a. On découpe également dans ladite seconde feuille découpée 33b au moins une ouverture 36 sensiblement oblongue à un emplacement correspondant à l'une des ouvertures 36 de la première feuille découpée 33a lorsqu'elle est pliée en valisette 37.The Figures 6 to 9 illustrate for this purpose an example of embodiment applied to a shelf 30 ( Fig. 10 ) which is made from the mounting kit 31 of the figure 6 obtained by precutting all the parts constituting said shelf 30 in a first raw sheet 32a of material and in a second raw sheet 32b of material whose dimensions correspond to at most half of the first raw sheet 32a. A first cut sheet 33a is obtained which comprises an armature 34 for holding the integral parts to said sheet by uncut areas 35 forming attachment points 35a, connecting tabs 39a, or the like. Also cut into the frame 34 is at least two substantially oblong openings 36 at predetermined locations to allow the passage of a hand when the cut sheet 33a is folded into a carrying case 37 (FIG. Fig. 7C ). A second cut sheet 33b is also obtained in which the pieces are held together by non-cut zones 35 forming attachment points 35a. Also cut in said second cut sheet 33b at least one aperture 36 substantially oblong at a location corresponding to one of the openings 36 of the first cut sheet 33a when folded bag 37.

La disposition des pièces du kit de montage 31 est répartie et optimisée dans les deux feuilles brutes 32a, 32b de matière. L'on crée par rainurage lors de l'opération de découpe un pli charnière 39 sur une ligne médiane transversale T permettant de diviser la première feuille découpée 33a en deux parties A et B sensiblement égales. Le pli charnière 39 a une largeur sensiblement égale à trois épaisseurs de matière, et s'étend entre les parties A et B reliées entre-elles par des pattes de liaison 39a formées par des zones non découpées 35 de la feuille brute 32a.The arrangement of the parts of the mounting kit 31 is distributed and optimized in the two raw sheets 32a, 32b of material. It is created by grooving during the cutting operation a hinge fold 39 on a transverse centerline T to divide the first cut sheet 33a into two substantially equal parts A and B. The hinge fold 39 has a width substantially equal to three thicknesses of material, and extends between the parts A and B interconnected by connecting lugs 39a formed by uncut areas 35 of the raw sheet 32a.

Le kit de montage 31 de l'étagère 30 est ainsi contenu dans seulement deux feuilles découpées 33a, 33b, qui peuvent être superposées de telle sorte que la seconde feuille découpée 33b soit contenue à l'intérieur de la première feuille découpée 33a lorsqu'elle est pliée en deux sur elle-même conformément à l'exemple illustré aux figures 7A à 7C pour former une valisette 37 compact, légère, et très facile à stocker et à transporter. Les ouvertures 36 préalablement découpées dans l'armature 34 de la première feuille découpée 33a et dans la seconde feuille découpée 33b se superposent pour former la poignée de transport de la valisette 37 et se verrouillent entre-elles permettant de solidariser les deux feuilles 33a, 33b entre-elles.The mounting kit 31 of the shelf 30 is thus contained in only two cut sheets 33a, 33b, which can be superimposed so that the second cut sheet 33b is contained inside the first cut sheet 33a when is folded in half on itself in accordance with the example shown in Figures 7A to 7C to form a bag 37 compact, lightweight, and very easy to store and transport. The openings 36 previously cut in the armature 34 of the first cut sheet 33a and in the second cut sheet 33b are superimposed to form the carrying handle of the case 37 and lock together to secure the two sheets 33a, 33b between them.

Pour monter le meuble, le consommateur P déverrouille la poignée de transport pour déplier la première feuille découpée 33a et accéder à la seconde feuille découpée 33b, l'ensemble constituant le kit de montage 31. Il détache toutes les pièces pour les séparer de l'armature 34 ou entre-elles en rompant les points d'attache 35a. Il conserve l'armature 34 de la première feuille découpée 33a sur laquelle est imprimée la notice de montage. Les pièces contenues dans le kit de montage 31 comportent en référence à la figure 8 une enveloppe 40, une base 41, un plateau d'étagère 42, un fond 43 et quatre renforts 44.To mount the furniture, the consumer P unlocks the carrying handle to unfold the first cut sheet 33a and access the second cut sheet 33b, the assembly constituting the mounting kit 31. It detaches all parts to separate them from the armature 34 or between them by breaking the attachment points 35a. It retains the frame 34 of the first cut sheet 33a on which is printed the assembly instructions. The parts contained in the mounting kit 31 comprise with reference to the figure 8 an envelope 40, a base 41, a shelf tray 42, a bottom 43 and four reinforcements 44.

Le mode opératoire pour monter l'étagère 30 (fig. 10) est illustré dans les figures 9A à 9J. D'une manière générale, les différentes zones prévues dans les différentes pièces 40, 41, 42, 43, 44 sont délimitées entre elles par des lignes de pliage réalisées par rainurage lors de l'opération de découpe. On utilise tout d'abord l'enveloppe 40 comportant trois parties centrales destinées à constituer les deux parois latérales 45 et la paroi supérieure 46 de l'étagère 30. On superpose trois renforts 44 sur les trois parois de l'enveloppe 40, à savoir sur les deux parois latérales 45 et sur la paroi supérieure 46, en pliant à 90°les rabats 44a prévus de part et d'autre de chaque renfort 44 (fig. 9A). On rabat les deux volets 40a prévus de part et d'autre des parois 45, 46 de l'enveloppe 40 par-dessus les renforts 44 en emboitant les rabats 40b prévus aux extrémités des volets 40a dans l'encoche 44b prévue au milieu des rabats 44a des renforts 44 (fig. 9B). On plie en deux le plateau étagère 42, l'on plie à 90° une première paroi latérale 45 de l'enveloppe 40, et l'on introduit les pattes latérales 42a prévues d'un côté du plateau étagère 42 dans les encoches 40c prévues dans les volets 40a de cette première paroi latérale 45 pliée (fig. 9C). On plie à 90° la seconde paroi latérale 45 de l'enveloppe 40 en emboîtant les deux pattes latérales 42a prévues sur l'autre côté du plateau étagère 42 dans les encoches 40c prévues dans les volets 40a de cette seconde paroi latérale 45 pliée (fig. 9D). On prépare la base 41 de l'étagère 30 en procédant comme l'enveloppe 40. On superpose le dernier renfort 44 sur la partie centrale de la base 41 destinée à former la paroi inférieure 47 de l'étagère 30 en pliant à 90° les rabats 44a (fig. 9E). On rabat les deux volets 41a prévus de part et d'autre de la paroi inférieure 47 de la base 41 par-dessus le renfort 44 en emboitant les rabats 41b prévus aux extrémités des volets 41a dans l'encoche 44b prévue au milieu des rabats 44a du renfort 44 (fig. 9F). On assemble la paroi inférieure 47 aux parois latérales 45 de l'étagère 30 en introduisant via des fentes correspondantes les pattes de fixation 41c prévues de part et d'autre de la paroi inférieure 47 dans les pattes de fixation 40d prévues en prolongement des parois latérales 45. On décortique les quatre languettes 48 en T partiellement découpées dans les volets 41a de la base 41 générant quatre évidements 49 donnant accès à l'intérieur de la paroi inférieure 47 (fig. 9H). On introduit chaque languette 48 dans chaque évidement 49 pour l'insérer dans la fente de la patte de fixation 40d correspondante et verrouiller ainsi l'assemblage de la paroi inférieure 47 aux parois latérales 45 de l'étagère 30 (fig. 9I). On assemble le fond 43 en pliant à 90° les rabats 43a prévus sur les quatre côtés du fond 43 et en les emboitant dans des fentes 40e prévues dans les parois latérales 45, la paroi supérieure 46 et la paroi inférieure 47 (9J) pour terminer l'étagère 30 (fig. 10).The procedure for mounting the shelf 30 ( Fig. 10 ) is illustrated in the Figures 9A to 9J . In general, the different zones provided in the different parts 40, 41, 42, 43, 44 are delimited between them by fold lines made by grooving during the cutting operation. First of all, the envelope 40 is used with three central parts intended to form the two side walls 45 and the upper wall 46 of the shelf 30. Three reinforcements 44 are superimposed on the three walls of the envelope 40, namely on the two side walls 45 and on the upper wall 46, by folding at 90 ° the flaps 44a provided on either side of each reinforcement 44 ( Fig. 9A ). The two flaps 40a provided on either side of the walls 45, 46 of the envelope 40 are folded over the reinforcements 44 by fitting the flaps 40b provided at the ends of the flaps 40a in the notch 44b provided in the middle of the flaps. 44a reinforcements 44 ( Fig. 9B ). The shelf plate 42 is folded in half, a first side wall 45 of the envelope 40 is folded at 90 °, and the lateral tabs 42a provided on one side of the shelf plate 42 are inserted into the notches 40c provided for. in the flaps 40a of this first folded side wall 45 ( Fig. 9C ). The second side wall 45 of the envelope 40 is folded at 90 ° by fitting the two lateral tabs 42a provided on the other side of the shelf plate 42 in the notches 40c provided in the flaps 40a of this second folded side wall 45 ( Fig. 9D ). The base 41 of the shelf 30 is prepared by proceeding as the envelope 40. The last reinforcement 44 is superimposed on the central part of the base 41 intended to form the lower wall 47 of the shelf 30 by folding them at 90 °. flaps 44a ( Fig. 9E ). We fold the two shutters 41a provided on both sides of the lower wall 47 of the base 41 over the reinforcement 44 by engaging the flaps 41b provided at the ends of the flaps 41a in the notch 44b provided in the middle of the flaps 44a of the reinforcement 44 ( Fig. 9F ). The bottom wall 47 is assembled to the side walls 45 of the shelf 30 by introducing, via corresponding slots, the fixing lugs 41c provided on either side of the bottom wall 47 into the fixing lugs 40d provided in extension of the side walls. 45. The four partially cut tabs 48 are dissected in the flaps 41a of the base 41 generating four recesses 49 giving access to the interior of the lower wall 47 (FIG. Fig. 9H ). Each tongue 48 is inserted into each recess 49 to insert it into the slot of the corresponding fixing lug 40d and thus lock the assembly of the lower wall 47 to the side walls 45 of the shelf 30 (FIG. Fig. 9I ). The bottom 43 is assembled by folding at 90 ° the flaps 43a provided on the four sides of the bottom 43 and by fitting them in slots 40e provided in the side walls 45, the upper wall 46 and the bottom wall 47 (9J) to finish. the shelf 30 ( Fig. 10 ).

Les figures 11 à 15 illustrent un dernier exemple de réalisation appliqué à un luminaire 50 à suspendre (fig. 15) qui est réalisé à partir du kit de montage 51 de la figure 11 obtenu par prédécoupage de toutes les pièces constituant ledit luminaire 50 dans une seule et unique feuille brute 52 de matière. La feuille découpée 53 obtenue après découpe comporte une armature 54 et toutes les pièces nécessaires au luminaire 50 maintenues solidairement à ladite feuille ou entre-elles par des zones non découpées 55 formant des points d'attache 55a, des pattes de liaison 58a, 59a, ou similaires. On découpe également dans l'armature 54 au moins deux ouvertures 36 sensiblement oblongues à des emplacements prédéterminés pour permettre le passage d'une main lorsque la feuille découpée 53 est pliée en valisette 57 de transport (fig. 12E).The Figures 11 to 15 illustrate a last example of embodiment applied to a luminaire 50 to suspend ( Fig. 15 ) which is made from the mounting kit 51 of the figure 11 obtained by precutting all the parts constituting said luminaire 50 in a single and only raw sheet 52 of material. The cut sheet 53 obtained after cutting comprises an armature 54 and all the parts necessary for the luminaire 50 held integrally with said sheet or between them by uncut areas 55 forming attachment points 55a, connecting tabs 58a, 59a, or the like. Also cut into the armature 54 is at least two substantially oblong openings 36 at predetermined locations to allow the passage of a hand when the cut sheet 53 is folded into a carrying case 57 (FIG. Fig. 12E ).

La disposition des pièces du kit de montage 51 est répartie et optimisée dans la feuille brute 52. L'on crée par rainurage lors de l'opération de découpe un premier pli charnière 58 sur une ligne médiane longitudinale L et deux plis charnière 59 sur deux lignes médianes transversales T permettant de diviser la feuille découpée 53 en six parties A, B, C, D, E, F sensiblement égales. Les plis charnières 58, 59 sont, comme dans l'exemple du tabouret 5, formés par des pattes de liaison 58a, 59a. Chronologiquement, on plie les parties A et B respectivement sur les parties D et C autour du pli charnière 58 (fig. 12A). Puis, les parties A et D sur les parties B et E (fig. 12B). Ensuite, les parties A, D, B, E sur la partie F (fig. 12C) et enfin la partie C sur les parties A, D, B, E, F (fig. 12D) pour obtenir une valisette 57. La feuille découpée 53 et pliée est maintenue en forme de valisette 57 grâce aux moyens de verrouillage prévus dans les ouvertures 56 formant la poignée de transport de la valisette 57.The arrangement of the parts of the mounting kit 51 is distributed and optimized in the raw sheet 52. It is created by grooving during the cutting operation a first hinge fold 58 on a longitudinal centerline L and two hinge folds 59 on two medial transverse lines T making it possible to divide the cut sheet 53 into six parts A, B, C, D, E, F substantially equal. The hinge folds 58, 59 are, as in the example of the stool 5, formed by connecting lugs 58a, 59a. Chronologically, parts A and B are folded respectively on parts D and C around the hinge fold 58 ( Fig. 12A ). Then, parts A and D on parts B and E ( Fig. 12B ). Then, parts A, D, B, E on part F ( Fig. 12C ) and finally part C on parts A, D, B, E, F ( Fig. 12D ) to obtain a bag 57. The cut sheet 53 and folded is held in the shape of bag 57 thanks to the locking means provided in the openings 56 forming the carrying handle of the bag 57.

Le kit de montage 51 du luminaire 50 est ainsi contenu dans une seule et unique feuille découpée 53 et pliée pour former une valisette 57 compact, légère, et très facile à stocker et à transporter. Les ouvertures 56 préalablement découpées dans l'armature 54 de la feuille découpée 53 se superposent pour former la poignée de transport de la valisette 57 et se verrouillent entre-elles permettant de solidariser entre-elles les différentes parties A à F pliées les unes sur les autres.The mounting kit 51 of the luminaire 50 is thus contained in a single cut sheet 53 and folded to form a compact bag 57, lightweight, and very easy to store and transport. The openings 56 previously cut in the armature 54 of the cut sheet 53 are superimposed to form the carrying handle of the case 57 and are interlocked to each other to secure together the various parts A to F folded on each other. other.

Pour monter le luminaire 50 (fig. 15), le consommateur P déverrouille la poignée de transport pour déplier la feuille découpée 53. Il détache toutes les pièces pour les séparer de l'armature 54 ou entre-elles en rompant les points d'attache 55a et les pattes de liaison 58a, 59a. Il conserve l'armature 54 sur laquelle est imprimée la notice de montage. Les pièces contenues dans le kit de montage 51 comportent en référence à la figure 13 (à rajouter sur les figures) deux enveloppes 60 ajourées et en accordéon, un cercle inférieur 61, un cercle supérieur 62 et un filtre 63.To mount the luminaire 50 ( Fig. 15 ), the consumer P unlocks the carrying handle to unfold the cut sheet 53. It detaches all the parts to separate them from the frame 54 or between them by breaking the attachment points 55a and the connecting lugs 58a, 59a . It retains the frame 54 on which is printed the assembly instructions. The parts contained in the mounting kit 51 comprise with reference to the figure 13 (to be added in the figures) two envelopes 60 perforated and accordion, a lower circle 61, an upper circle 62 and a filter 63.

Le mode opératoire pour monter le luminaire 50 est illustré dans les figures 14A à 14F. On prend le cercle inférieur 61 et une des enveloppes 60 et on emboite les picots 61a prévus en périphérie du cercle inférieur 61 dans les trous 60a prévus sur un des bords de l'enveloppe 60 (fig. 14A). On ajoute le cercle supérieur 62 et on emboite les picots 62a prévus en périphérie du cercle supérieur 62 dans les trous 60a prévus sur l'autre bord de l'enveloppe 60 (fig. 14B). On ajoute la deuxième enveloppe 60 en emboitant respectivement les picots 61a du cercle inférieur 61 et les picots 62a sur cercle supérieur 62 dans les trous 60a correspondant de la deuxième enveloppe 60 (fig. 14C). On assemble latéralement les deux enveloppes 60 entre elles en emboitant l'une dans l'autre les pattes de fixation 60b prévues le long de leurs bords latéraux (fig. 14D). On ajoute les accessoires électriques tels qu'une douille 64 avec son câble d'alimentation et une ampoule 65, qui peut être une diode électroluminescente (fig. 14E). On ferme la partie inférieure du luminaire 50 en ajoutant le filtre 63. On plie à 90° les pattes de fixation 63a prévues sur son pourtour et on les emboite dans des fentes 61b prévues dans le disque inférieur 61 (fig. 14F) pour obtenir ainsi le luminaire 50 (fig. 15).The procedure for mounting the luminaire 50 is illustrated in the Figures 14A to 14F . Take the lower circle 61 and one of the envelopes 60 and nib 61a provided on the periphery of the lower circle 61 in the holes 60a provided on one of the edges of the envelope 60 ( Fig. 14A ). The upper circle 62 is added and the pins 62a provided on the periphery of the upper circle 62 are nested in the holes 60a provided on the other edge of the envelope 60 (FIG. Fig. 14B ). The second envelope 60 is added by interlocking respectively the spurs 61a of the lower circle 61 and the spikes 62a on the upper circle 62 in the corresponding holes 60a of the second envelope 60 ( Fig. 14C ). The two envelopes 60 are laterally assembled together by interlocking with each other the fastening lugs 60b provided along their lateral edges ( Fig. 14D ). Electrical accessories such as a socket 64 with its power cable and a bulb 65, which may be a light-emitting diode ( Fig. 14E ). The lower part of the luminaire 50 is closed by adding the filter 63. The fastening lugs 63a provided at its periphery are folded at 90 ° and are fitted into slots 61b provided in the lower disc 61 ( Fig. 14F ) to obtain the luminaire 50 ( Fig. 15 ).

Possibilités d'application industrielle :Possibilities of industrial application:

Les différents exemples de réalisation décrits et illustrés permettent de démontrer que le procédé de fabrication selon l'invention permet d'atteindre les buts fixés, à savoir un procédé industriel, permettant de proposer à la vente des kits de montage optimisés, sans emballage ajouté, ces kits permettant de monter soi-même des articles en trois dimensions, tels que des meubles, des objets de décoration intérieure et extérieure, notamment si la feuille brute de matière est rendue hydrophobe par traitement ou par filmage, des jeux et jouets, des objets utilitaires tels comme des articles chaussants tels que des tongs, des articles coiffants tels que des chapeaux, des abris tels que des tentes, etc..., de manière simple, rapide, ludique, sans difficulté particulière et sans outillage ni ajout de colle ou d'autres éléments de fixation. Les montages obtenus sont tous démontables et indéfiniment recyclables. Les produits obtenus sont légers, économiques, et écologiques.The various embodiments described and illustrated make it possible to demonstrate that the manufacturing method according to the invention makes it possible to achieve the goals set, namely an industrial process, making it possible to offer for sale optimized mounting kits, without added packaging, these kits allow you to assemble three-dimensional items, such as furniture, interior and exterior decoration objects, especially if the raw sheet of material is made hydrophobic by treatment or filming, games and toys, objects utilities such as footwear such as flip-flops, hairstyles such as hats, shelters such as tents, etc ..., simple, fast, fun, without special difficulty and without tools or adding glue or other fasteners. The assemblies obtained are all removable and indefinitely recyclable. The products obtained are light, economical, and ecological.

La présente invention n'est pas limitée aux exemples de réalisation décrits mais s'étend à toute modification et variante évidentes pour un homme du métier.The present invention is not limited to the embodiments described but extends to any modification and variation obvious to a person skilled in the art.

Claims (11)

Procédé de fabrication d'un article en trois dimensions à partir d'un kit de montage comportant une pluralité de pièces planes issues d'au moins une feuille brute de matière telle que du carton, ledit article étant obtenu par assemblage de ladite pluralité de pièces liées entre elles, procédé dans lequel, pour réaliser le kit de montage (11, 31, 51) dudit article, l'on positionne toutes les pièces dudit article dans ladite au moins une feuille brute (12, 32, 52) de matière, l'on prédécoupe lesdites pièces dans ladite feuille brute pour obtenir une feuille découpée (13, 33, 53), lors de l'opération de découpe, l'on préserve des zones non découpées (15, 35, 55) formant des points d'attache (15a, 35a, 55a) agencés pour maintenir les pièces prédécoupées entre-elles et dans ladite feuille découpée, caractérisé en ce que l'on découpe au moins deux ouvertures (16, 36, 56) sensiblement oblongues dans ladite feuille découpée (13, 33, 53) à des emplacements prédéterminés, en ce que l'on crée, au moment de l'opération de découpe, au moins un premier pli charnière (18, 39, 58) sur une ligne médiane (L, T) séparant ladite feuille découpée en deux parties sensiblement égales, en ce que l'on rabat les deux parties l'une sur l'autre en pliant ladite feuille découpée autour dudit premier pli charnière pour former une valisette (17, 37, 57) de transport du kit de montage, et en ce que lesdites ouvertures (16, 36, 56) sont agencées pour permettre le passage d'une main et pour délimiter avec la feuille découpée (13, 33, 53) une poignée de transport lorsque ladite feuille découpée est pliée en valisette (17, 37, 57).A method of manufacturing a three-dimensional article from a mounting kit comprising a plurality of planar pieces from at least one raw sheet of material such as cardboard, said article being obtained by assembling said plurality of pieces related to each other, in which process, in order to produce the mounting kit (11, 31, 51) of said article, all the pieces of said article are positioned in said at least one raw sheet (12, 32, 52) of material, said blanks are pre-cut in said blank sheet to obtain a cut sheet (13, 33, 53), during the cutting operation, uncut areas (15, 35, 55) forming dotted points are preserved; fastener (15a, 35a, 55a) arranged to hold the pre-cut pieces together and in said cut sheet, characterized in that at least two substantially oblong openings (16, 36, 56) are cut in said cut sheet ( 13, 33, 53) at locations predetermined, in that at least one first hinge fold (18, 39, 58) on a center line (L, T) separating said cut sheet into two substantially equal parts is created at the time of the cutting operation , in that the two parts are folded together by folding said cut sheet around said first hinge fold to form a carrying case (17, 37, 57) for the mounting kit, and in that said openings (16, 36, 56) are arranged to allow the passage of a hand and to delimit with the cut sheet (13, 33, 53) a carrying handle when said cut sheet is folded into a suitcase (17, 37, 57). Procédé selon la revendication 1, caractérisé en ce que l'on découpe les pièces dudit article dans une unique feuille brute (12, 52) de matière.Process according to claim 1, characterized in that the pieces of said article are cut in a single raw sheet (12, 52) of material. Procédé selon la revendication 1, caractérisé en ce que l'on découpe les pièces dudit article dans au moins deux feuilles brutes (32a, 32b) de matière, et en ce que l'on plie au moins une desdites feuilles découpées (33a) obtenues autour de l'autre feuille découpée (33b) pour former ladite valisette (37).A method according to claim 1, characterized in that the pieces of said article are cut in at least two raw sheets (32a, 32b) of material, and in that at least one of said cut sheets (33a) obtained is folded around the other cut sheet (33b) to form said bag (37). Procédé selon la revendication 1, caractérisé en ce que l'on crée lors de l'opération de découpe, au moins un premier pli charnière (18) et un deuxième pli charnière (19) sur deux lignes médianes (L, T) perpendiculaires entre elles séparant ladite feuille découpée (13) en quatre parties (A, B, C, D) sensiblement égales, en ce que l'on découpe le deuxième pli charnière jusqu'à l'intersection avec le premier pli charnière, et en ce que l'on rabat les quatre parties l'une sur l'autre en pliant ladite feuille découpée (13) autour respectivement du premier pli charnière (18) puis autour du deuxième pli charnière (19) pour former ladite valisette (17).Method according to claim 1, characterized in that at least a first hinge fold (18) and a second hinge fold (19) are formed on the two perpendicular median lines (L, T) between the cutting operation separating said cut sheet (13) into four substantially equal parts (A, B, C, D), in that the second hinge fold is cut to the intersection with the first hinge fold, and in that the four parts are folded over each other by folding said cut sheet (13) around respectively the first hinge fold (18) and then around the second hinge fold (19) to form said bag (17). Procédé selon la revendication 1, caractérisé en ce que l'on crée lors de l'opération de découpe un premier pli charnière (58) sur une ligne médiane (L) et un deuxième et un troisième plis charnières (59) sur deux lignes (T) parallèles entre elles et perpendiculaires à ladite ligne médiane (L) séparant ladite feuille découpée (53) en six parties (A à F) sensiblement égales, en ce que l'on découpe les deuxième et troisième plis charnières jusqu'à l'intersection avec le premier pli charnière, et en ce que l'on rabat les six parties l'une sur l'autre en pliant ladite feuille découpée (53) autour respectivement du premier pli charnière (58) puis du deuxième pli charnière (59) et pour finir du troisième pli charnière (59) pour former ladite valisette (57).A method according to claim 1, characterized in that is created during the cutting operation a first hinge fold (58) on a center line (L) and a second and a third hinge folds (59) on two lines ( T) parallel to each other and perpendicular to said center line (L) separating said cut sheet (53) into six substantially equal parts (A to F), in that the second and third hinge folds are cut to the intersection with the first hinge fold, and in that the six parts are folded one over the other by folding said cut sheet (53) around respectively the first hinge fold (58) and the second hinge fold (59) and finally third hinge fold (59) to form said bag (57). Procédé selon la revendication 1, caractérisé en ce que l'on crée dans lesdites ouvertures (16, 36, 56) des moyens de verrouillage agencés pour maintenir entre-elles les parties de ladite feuille découpée lorsqu'elle est pliée en valisette (17, 37, 57).Method according to Claim 1, characterized in that locking means are provided in said openings (16, 36, 56) arranged to hold the parts of said cut sheet together when folded in a suitcase (17, 37, 57). Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'on imprime au moins une notice de montage dudit article sur ladite feuille brute (12, 32a, 32b, 52) de matière préalablement à l'opération de découpe.Method according to any one of the preceding claims, characterized in that at least one mounting instruction for said article is printed on said raw sheet (12, 32a, 32b, 52) of material prior to the cutting operation. Procédé selon la revendication 1, caractérisé en ce que, pour effectuer le montage dudit article, l'on détache toutes les pièces prédécoupées de ladite feuille découpée (13, 33, 53) en rompant les points d'attache (15a, 35a, 55a), en ce que l'on assemble lesdites pièces entre-elles par pliage et emboîtement pour les lier entre-elles, sans outillage, ni adhésif, ni organe de fixation, et en ce que ledit assemblage obtenu est démontable.A method according to claim 1, characterized in that , to effect the mounting of said article, all pre-cut pieces of said cut sheet (13, 33, 53) are detached by breaking the fastening points (15a, 35a, 55a). ), in that said pieces are assembled together by folding and interlocking to bind them together, without tools, adhesive or fastener, and in that said assembly obtained is removable. Kit de montage (11, 31, 51) pour fabriquer un article en trois dimensions, ledit kit de montage comportant une pluralité de pièces planes issues d'au moins une feuille brute de matière telle que du carton, ledit article étant obtenu par assemblage de ladite pluralité de pièces liées entre-elles, caractérisé en ce qu'il est réalisé à partir du procédé de fabrication selon l'une quelconque des revendications 1 à 8.Mounting kit (11, 31, 51) for manufacturing a three-dimensional article, said mounting kit comprising a plurality of planar pieces from at least one raw sheet of material such as cardboard, said article being obtained by assembling said plurality of interconnected parts, characterized in that it is made from the manufacturing method according to any one of claims 1 to 8. Kit de montage selon la revendication 9, caractérisé en ce qu'il contient les pièces pour fabriquer un meuble choisi parmi un tabouret (10), une chaise, une table de chevet avec tiroir, une étagère (30), une étagère multiple, un sommier.Mounting kit according to claim 9, characterized in that it contains the parts for manufacturing a piece of furniture chosen from a stool (10), a chair, a bedside table with a drawer, a shelf (30), a multiple shelf, a bedspring. Kit de montage selon la revendication 9, caractérisé que ce qu'il contient les pièces pour fabriquer un article choisi parmi un objet de décoration tel qu'un luminaire (50), un jeu, un jouet, un objet utilitaire.Mounting kit according to claim 9, characterized in that it contains the parts for manufacturing an article selected from a decorative object such as a luminaire (50), a game, a toy, a utility object.
EP17206679.7A 2016-12-14 2017-12-12 Process to manufacture a three dimensional article from a mounting set and corresponding mounting set Active EP3336008B1 (en)

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FR1662405A FR3059937B1 (en) 2016-12-14 2016-12-14 METHOD OF MANUFACTURING A THREE-DIMENSIONAL ARTICLE FROM A MOUNTING KIT, MOUNTING KIT AND ARTICLE OBTAINED

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JPS5975482U (en) 1982-11-13 1984-05-22 菊井　泉彌 packaging
US4875737A (en) 1988-10-05 1989-10-24 Sunclipse, Inc. Disassemblable corrugated board backed chair
US6048032A (en) 1998-07-17 2000-04-11 Stewart; Harry Malcolm Lightweight, waterproof and foldable seat which can also function as a support
US20040094610A1 (en) 2002-11-14 2004-05-20 Longo Robert J. Food containers formed with one or more pop-out surface portions including advertising indicia and method of manufacturing the same
EP2099334B1 (en) 2007-01-03 2010-09-15 Krooom Ltd. Kits for use in forming three-dimensional articles, particularly articles of furniture, from flat cardboard sheets
DE102010040712A1 (en) 2010-09-14 2012-03-15 Hefner Günther GbR (vertretungsber. Gesellschafter F. Hefner, 80469 München und R. Günther, 80469 München) Modular structured lamp body for use in e.g. lamp as integral component of furniture piece, has lamellas detachably connected together with connection collar, and three-dimensional cavity formed within lamellas for accommodating lamp

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