EP1441619A1 - Method for making rigid structures from panels - Google Patents

Method for making rigid structures from panels

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Publication number
EP1441619A1
EP1441619A1 EP02774179A EP02774179A EP1441619A1 EP 1441619 A1 EP1441619 A1 EP 1441619A1 EP 02774179 A EP02774179 A EP 02774179A EP 02774179 A EP02774179 A EP 02774179A EP 1441619 A1 EP1441619 A1 EP 1441619A1
Authority
EP
European Patent Office
Prior art keywords
notches
panel
floor
panels
uprights
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.)
Withdrawn
Application number
EP02774179A
Other languages
German (de)
French (fr)
Inventor
Alain Chennaux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1441619A1 publication Critical patent/EP1441619A1/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • A47B47/00—Cabinets, racks or shelf units, characterised by features related to dismountability or building-up from elements
    • A47B47/04—Cabinets, racks or shelf units, characterised by features related to dismountability or building-up from elements made mainly of wood or plastics
    • 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
    • A47B47/00—Cabinets, racks or shelf units, characterised by features related to dismountability or building-up from elements
    • A47B47/04—Cabinets, racks or shelf units, characterised by features related to dismountability or building-up from elements made mainly of wood or plastics
    • A47B47/05—Cabinets, racks or shelf units, characterised by features related to dismountability or building-up from elements made mainly of wood or plastics with panels on a separate frame, e.g. a metal frame

Definitions

  • a rigid structure mounting system for example of shelves, is known by wedging as disclosed in European patent 0 794 716, the content of which is incorporated in the present application by way of reference.
  • At least two panels are stuck, preferably cut, provided with notches and or grooves inside at least two chassis or ladder chassis.
  • the present invention constitutes an improvement to this system allowing simpler and less costly manufacture.
  • the panels according to the aforementioned patent can be made of various materials, in particular plastic.
  • Wood is preferred, in particular agglomerated or reconstituted wood, more particularly MDF. They are advantageously obtained by recessing starting panels, for example by laser cutting. The latter technique has been found to be particularly suitable, but is also expensive and involves a relatively long manufacturing time per structure.
  • the present invention provides a method for obtaining the same result by knocking down a panel, that is to say with a bit which rotates at high speed while moving.
  • the drill bit for example a diamond drill bit, removes an amount of material depending on its diameter and on the path that said drill bit travels in the panel that is to be cut or hollowed out.
  • This process is also particularly advantageous since it is possible to cut several superimposed panels at once at a speed equal to or greater than that of a laser or water jet cutting.
  • the cutting time is thus reduced at least in proportion to the number of basic panels which are superimposed.
  • the panels can be worked simultaneously by using for example a joining technique by applying vacuum to the surface of a panel.
  • the cutting line is important, it is a function of the thickness of the wick and the larger the wick, the more solid it is, and therefore the faster it can move.
  • a pseudo-square panel on the side eg side panel whose side is longer than a thickness of the panel extracted from the ladder by this process would be too short to be able to get stuck between the rungs and ensure the solidity of the structure.
  • the cross section of the wick is obviously round, when it has traversed the square or rectangular perimeter which will allow to extract the cut panel provided with notches from the scale, the four interior corners of the scale will be rounded, which subsequently prevents laying a floor completely against the corresponding rung and wedging the side panels completely against the uprights of the ladder, in order to build the structure according to the invention.
  • the side panels extracted from the scales will be rectangles, the upper notches of which will be provided in one of the two smaller sides.
  • the rectangle thus released will be all the more elongated as the cutting line is thick, which will in a way allow it to "recover” and still wedge these between the amounts .
  • the floor panels will be cut to ; part to give them a dimension large enough so that their four notches can enclose the four uprights of the ladder chassis.
  • this trimming will be done in the two uprights, which allows after mounting to make these trims invisible, being hidden by the ends of the floors
  • this trimming will be done, on both sides, and in the rung, which allows after mounting to make these trims invisible, being hidden by the upper ends of the side panels, more precisely by the notches of the panels next to .
  • the trimmings cooperate with the notches of the panels to mount the three-dimensional structure and ensure its rigidity by wedging.
  • the widths of the notches are chosen such that, during assembly, a notch can penetrate a corresponding trimming or vice versa.
  • the cropping can thus have a depth of a radius of the drill bit, just sufficient to remove the rounding.
  • the side panel notches will have a depth such that the distance between the bottom of the side panel notch and the opposite end of the panel is slightly greater than the distance between the top of the floor panel and the bottom of the top trim. in the rung, which will allow the side panel to be forced into place.
  • the floor panels comprising four notches have, once placed between two frames, before jamming with the side panels, a certain clearance in said notches.
  • the floor panels are not necessarily wedged between the uprights. A certain horizontal play or floating may remain, due to the dimensions of the trims present in the uprights on either side. During disassembly, the floor panel will advantageously be pushed into the bottom of a trimming before being lifted and disengaged from the opposite trimming side.
  • the final rigidity of the structure is mainly due to the wedging of the edges of the side panels between the floor panel and the upper uprights making it face. More particularly, according to the preferred embodiment, the wedging of the side panel takes place between on the one hand the bottoms of two notches of the side panels introduced into the trims of the rungs and on the other hand the upper face of the floor panel adjacent to said side panel.
  • the width of the notches intended to enclose the uprights or rungs must be equal, or very slightly greater, to the thickness of the panels.
  • the wick forming the notch, if it has a diameter less than the thickness of the panel, must therefore carry out an enlargement of the notch in a known manner.
  • the notch bottoms are obviously rounded (like the drill bit), which surprisingly does not harm either the positioning of the ladder frames or the forced clamping of the side panels between the two, or plus, ladder frames with their floors.
  • - fig. 1 is a diagram showing a simple frame with a rectangular recess with four rounded corners illustrating the impossibility of correctly juxtaposing the floor panels against the rungs and / or from the side against the uprights.
  • - fig. 2 shows in plan a panel cut out to produce a ladder frame provided with trimmings and three side panels provided with a notch.
  • - fig. 4 illustrates the mounting of a three-dimensional structure according to the invention, based on a ladder frame of FIG. 2
  • the panels are 9 mm thick MDF panels, optionally colored in the mass ("Valchromât").
  • a digital router is used with a diamond drill bit with a diameter of 8 mm, adjusted to perform notches and trimming with a depth of at least 4 mm.
  • Fig. 1 is a diagram showing a simple frame (frame-ladder with a recess) with a side panel 3 and a floor panel 10 arranged perpendicularly.
  • the recess 2 is rectangular, obtained by knockout, with four rounded corners 20.
  • the impossibility of correctly juxtaposing the floor panels 10 against the lower rung 5 and the side panel 3 against the upright 6 is illustrated.
  • Fig. 2 shows in plan a panel 1 which has been cut to provide three recesses 2, made by knocking out using a digital machine, occupied by 3 cut panels 3.
  • the panel 1 thus hollowed out forms a frame-ladder 4 to three stages composed of steps (5, 5 ', 5 ") and lateral uprights 6, 6'.
  • the side panels 3 are rectangular, the length being equal to the width increased by two thicknesses of the stroke of the wick. illustrated case the wick is 8 mm, the panel 3 thus measures 340 x 324 mm.
  • a trimming 7 is provided in the lower edge 55 of each corresponding rung end.
  • Trimming 8 is also provided in the portion 66 of the uprights at the base of each recess.
  • the side panels are provided with two symmetrical notches 9 able to cooperate with the trims 7, 8.
  • Fig. 3 illustrates these notches and cropping in more detail.
  • the notches have a depth of 9 mm and a width of 9 mm.
  • Fig. 4 illustrates the mounting of a shelf according to the invention based on the elements of FIG. 2 with the aforementioned dimensions and floor panels 10 provided with notches 11.
  • the panel is a rectangular panel of 370 x 324 mm with notches of 9.5 mm wide and 9.3 mm deep.
  • a first floor panel is wedged horizontally at the base of the first recess by making the notches 11 cooperate with the trimmings 8.
  • a first side panel can then be introduced at an angle, making the notches 9 coincide with the trimmings 7 and straightening force the side panel until it is adjacent to the upright 6 of the ladder frame 4. The operation can be repeated with a side panel to be placed on the opposite side.
  • a second floor panel is then added and so on.
  • a roof panel 12 of appropriate size is wedged between the two opposite sides of the upper rungs, and rest on the upper edges of two side panels.
  • step trims 7 are concealed by the notches 9 of the side panels 3 and the trims 8 of the upright 6 are concealed by notches 11 floor panels 10.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Ladders (AREA)
  • Assembled Shelves (AREA)

Abstract

The invention concerns a method for making a three-dimensional rigid structure by wedging from at least an initial flat panel. A drill runs along and cuts the panel producing one or more rectangular recesses to obtain ladder-type frames provided with cut-out edges and side panels provided with notches. The notches and cut-out edges with rounded bases are designed to co-operate and enable a side panel to be wedged between two parallel ladder-type frames provided with a floor panel, the latter being obtained separately. The floor panel is provided with four notches designed to be wedged in the edge of four vertical posts of two ladder-type frames arranged parallel.

Description

Procédé de fabrication de structures rigides à partir de panneaux P rocédé of fa rication rigid structures from panels
On connaît un système de montage de structure rigide, par exemple d'étagères, par coincage tel que divulgué dans le brevet européen 0 794 716, dont le contenu est incorporé dans la présente demande à titre de référence. On coince au moins deux panneaux, de préférence découpés, muni d'encoches et ou de gorges à l'intérieur d'au moins deux châssis ou châssis-échelle.A rigid structure mounting system, for example of shelves, is known by wedging as disclosed in European patent 0 794 716, the content of which is incorporated in the present application by way of reference. At least two panels are stuck, preferably cut, provided with notches and or grooves inside at least two chassis or ladder chassis.
La présente invention constitue une amélioration à ce système permettant une fabrication plus simple et moins- coûteuse.The present invention constitutes an improvement to this system allowing simpler and less costly manufacture.
Les panneaux selon le brevet susmentionné peuvent être en diverses matières, notamment en plastique. Le bois est préféré, en particulier le bois aggloméré ou reconstitué, plus particulièrement le MDF. Ils sont avantageusement obtenus par évidement de panneaux de départ, par exemple par coupage au laser. Cette dernière technique s'est révélée particulièrement appropriée, mais est aussi coûteuse et implique un temps de fabrication par structure relativement long.The panels according to the aforementioned patent can be made of various materials, in particular plastic. Wood is preferred, in particular agglomerated or reconstituted wood, more particularly MDF. They are advantageously obtained by recessing starting panels, for example by laser cutting. The latter technique has been found to be particularly suitable, but is also expensive and involves a relatively long manufacturing time per structure.
D'autres moyens existent pour produire ces panneaux et châssis : moulage, sciage, emboutissage, découpe au jet d'eau. Ces trois dernières méthodes permettent de sortir les panneaux découpés de l'intérieur des châssis échellesOther means exist for producing these panels and frames: molding, sawing, stamping, water jet cutting. These last three methods allow the cut panels to be taken out from inside the ladder frames
(eux mêmes découpés par le même procédé) et donc obtenir la structure finale à partir d'un panneau standard vendu dans le commerce en une seule opération, et ce pratiquement sans aucune chute (perte de matériau) .(cut themselves by the same process) and therefore obtain the final structure from a standard panel sold commercially in a single operation, practically without any fall (loss of material).
La présente invention propose une méthode pour obtenir le même résultat par défonçage d'un panneau, c'est à dire avec une mèche qui tourne à grande vitesse en se déplaçant. La mèche, par exemple une mèche diamantée, enlève une quantité de matière dépendant de son diamètre et du chemin que ladite mèche parcourt dans le panneau que l'on veut découper ou évider.The present invention provides a method for obtaining the same result by knocking down a panel, that is to say with a bit which rotates at high speed while moving. The drill bit, for example a diamond drill bit, removes an amount of material depending on its diameter and on the path that said drill bit travels in the panel that is to be cut or hollowed out.
Ce procédé est également particulièrement intéressant car on peut éventuellement découper plusieurs panneaux superposés en une fois à une vitesse égale ou supérieure à celle d'une découpe au laser ou au jet d'eau. On réduit ainsi le temps de découpe au moins dans la proportion du nombre de panneaux de base que l'on superpose . Ainsi pour 3 panneaux traités simultanément : 1/3 du temps de découpe pour chaque structure obtenue. Les panneaux peuvent être travaillés simultanément en recourant par exemple à une technique de solidarisation par application de vide sur la surface d'un panneau.This process is also particularly advantageous since it is possible to cut several superimposed panels at once at a speed equal to or greater than that of a laser or water jet cutting. The cutting time is thus reduced at least in proportion to the number of basic panels which are superimposed. Thus for 3 panels treated simultaneously: 1/3 of the cutting time for each structure obtained. The panels can be worked simultaneously by using for example a joining technique by applying vacuum to the surface of a panel.
Cependant deux problèmes se posent pour évider le panneau de départ afin d'obtenir les châssis-échelle et les panneaux découpés qui en sortent en une opération :However, two problems arise in order to hollow out the starting panel in order to obtain the ladder frames and the cut panels which come out in one operation:
- le trait de coupe est important, il est fonction de l'épaisseur de la mèche et plus la mèche est grosse, plus elle est solide, et donc plus vite elle peut se déplacer. Cependant à cause de l'épaisseur de trait de coupe et même en profitant de l'épaisseur du plancher, un panneau pseudo-carré de côté (p.e. panneau latéral dont un côté est plus long d'une épaisseur du panneau) extrait de l'échelle par ce procédé serait trop court pour pouvoir se coincer entre les échelons et assurer la solidité de la structure.- the cutting line is important, it is a function of the thickness of the wick and the larger the wick, the more solid it is, and therefore the faster it can move. However because of the thickness of the cutting line and even by taking advantage of the thickness of the floor, a pseudo-square panel on the side (eg side panel whose side is longer than a thickness of the panel) extracted from the ladder by this process would be too short to be able to get stuck between the rungs and ensure the solidity of the structure.
- la section transversale de la mèche est évidemment ronde, lorsqu'elle aura parcouru le périmètre carré ou rectangulaire qui va permettre d'extraire le panneau découpé muni d'encoches à partir de l'échelle, les quatre coins intérieurs de l'échelle seront arrondis, ce qui empêche ultérieurement de poser un plancher tout a fait contre l'échelon correspondant et de coincer les panneaux de côté tout à fait contre les montants de l'échelle , afin de bâtir la structure selon l'invention.- the cross section of the wick is obviously round, when it has traversed the square or rectangular perimeter which will allow to extract the cut panel provided with notches from the scale, the four interior corners of the scale will be rounded, which subsequently prevents laying a floor completely against the corresponding rung and wedging the side panels completely against the uprights of the ladder, in order to build the structure according to the invention.
Selon l'invention, ces inconvénients sont surmontés en appliquant un procédé de fabrication selon la revendication 1 annexée, comme il est davantage explicité ci-après en se référant aux dessins en annexe.According to the invention, these drawbacks are overcome by applying a manufacturing method according to claim 1 appended, as is further explained below with reference to the accompanying drawings.
Le premier inconvénient nommé est surmonté de la manière suivante :The first named drawback is overcome as follows:
- les panneaux de côté extraits des échelles seront des rectangles dont les encoches supérieures seront ménagées dans un des deux plus petit côtés. Le rectangle ainsi dégagé sera d'autant plus allongé que le trait de coupe est épais, ce qui permettra en quelque sorte de le "récupérer" et de coincer malgré tout ces derniers entre les montants . Les panneaux de plancher seront découpés à; part pour leur donner une dimension assez grande pour que leur quatre encoches puissent enserrer les quatre montants des châssis-échelle.- the side panels extracted from the scales will be rectangles, the upper notches of which will be provided in one of the two smaller sides. The rectangle thus released will be all the more elongated as the cutting line is thick, which will in a way allow it to "recover" and still wedge these between the amounts . The floor panels will be cut to ; part to give them a dimension large enough so that their four notches can enclose the four uprights of the ladder chassis.
Selon l'invention, le deuxième inconvénient nommé est surmonté de la manière suivante :According to the invention, the second named drawback is overcome as follows:
- pour pouvoir poser le plancher bien à plat sur la tranche supérieure des échelons, on rogne avec la mèche jusqu'à une certaine distance, pour éliminer l'arrondi, de part et d ' autre du montant .- to be able to lay the floor flat on the upper edge of the rungs, we trim with the drill bit to a certain distance, to eliminate the rounding, on both sides of the amount.
De préférence ce rognage se fera dans les deux montants, ce qui permet après le montage de rendre ces rognages invisibles, étant cachés par les extrémités des planchersPreferably this trimming will be done in the two uprights, which allows after mounting to make these trims invisible, being hidden by the ends of the floors
- pour pouvoir coincer les panneaux de côté bien parallèlement contre les montants, on rogne avec la mèche jusqu'à une certaine distance, pour éliminer les arrondis des intersections des tranches inférieures des échelons avec les tranches intérieures des montants.- to be able to wedge the side panels well parallel against the uprights, we trim with the drill bit to a certain distance, to eliminate the rounding of the intersections of the lower sections of the rungs with the internal sections of the uprights.
De préférence ce rognage se fera, de part et d'autre, et dans l'échelon, ce qui permet après le montage de rendre ces rognages invisibles, étant cachés par les extrémités supérieures des panneaux de côtés, plus précisément par les encoches des panneaux de côté .Preferably this trimming will be done, on both sides, and in the rung, which allows after mounting to make these trims invisible, being hidden by the upper ends of the side panels, more precisely by the notches of the panels next to .
Selon le mode actuellement préféré de l'invention, les rognages coopèrent avec les encoches des panneaux pour monter la structure tridimensionnelle et assurer sa rigidité par coincage. Selon un aspect de 1 ' invention, les largeurs des encoches sont choisies telle que, lors du montage, une encoche puisse pénétrer dans un rognage correspondant ou inversement .According to the presently preferred embodiment of the invention, the trimmings cooperate with the notches of the panels to mount the three-dimensional structure and ensure its rigidity by wedging. According to one aspect of the invention, the widths of the notches are chosen such that, during assembly, a notch can penetrate a corresponding trimming or vice versa.
Les rognages peuvent ainsi avoir une profondeur d'un rayon de la mèche, juste suffisant pour supprimer les arrondis. Les encoches de panneaux de côtés présenteront une profondeur telle que la distance entre le fond de l'encoche de panneau de côté et l'extrémité opposée du panneau soit légèrement supérieure à la distance entre le dessus du panneau de plancher et le fond du rognage supérieur dans l'échelon, ce qui permettra le coincage à force du panneau de côté.The cropping can thus have a depth of a radius of the drill bit, just sufficient to remove the rounding. The side panel notches will have a depth such that the distance between the bottom of the side panel notch and the opposite end of the panel is slightly greater than the distance between the top of the floor panel and the bottom of the top trim. in the rung, which will allow the side panel to be forced into place.
On notera que, selon un mode de réalisation, les panneaux de plancher comportant quatre encoches présentent, une fois placé entre deux châssis, avant le coincage avec les panneaux de côté, un certain jeu dans lesdites encoches.It will be noted that, according to one embodiment, the floor panels comprising four notches have, once placed between two frames, before jamming with the side panels, a certain clearance in said notches.
Il y a donc lieu de noter que les panneaux de plancher ne sont pas nécessairement coincés entre les montants. Un certain jeu ou flottement horizontal peut subsister, dû aux dimensions des rognages présents dans les montants de part et d'autre. Lors du démontage le panneau de plancher sera avantageusement poussé dans le fond d'un rognage avant d'être relevé et désengagé du côté du rognage opposé .It should therefore be noted that the floor panels are not necessarily wedged between the uprights. A certain horizontal play or floating may remain, due to the dimensions of the trims present in the uprights on either side. During disassembly, the floor panel will advantageously be pushed into the bottom of a trimming before being lifted and disengaged from the opposite trimming side.
La rigidité finale de la structure est essentiellement due au coincement des tranches des panneaux de côtés entre le panneau de plancher et les montants supérieurs y faisant face. Plus particulièrement, selon le mode de réalisation préféré, le coincement du panneau de côté a lieu entre d'une part les fonds de deux encoches des panneaux de côté introduits dans les rognages des échelons et d'autre part la face supérieure de panneau de plancher adjacent audit panneau de côté .The final rigidity of the structure is mainly due to the wedging of the edges of the side panels between the floor panel and the upper uprights making it face. More particularly, according to the preferred embodiment, the wedging of the side panel takes place between on the one hand the bottoms of two notches of the side panels introduced into the trims of the rungs and on the other hand the upper face of the floor panel adjacent to said side panel.
On comprendra également que la largeur des encoches destinées à enserrer les montants ou échelons, doit être égale, ou très légèrement supérieure, à l'épaisseur des panneaux. La mèche formant l'encoche, si elle présente un diamètre inférieur à l'épaisseur du panneau, doit donc procéder à un élargissement de l'encoche de manière connue .It will also be understood that the width of the notches intended to enclose the uprights or rungs must be equal, or very slightly greater, to the thickness of the panels. The wick forming the notch, if it has a diameter less than the thickness of the panel, must therefore carry out an enlargement of the notch in a known manner.
On notera enfin que par le procédé de défonçage les fonds d'encoche sont évidemment arrondis (comme la mèche) ce qui de manière surprenante ne nuit ni au positionnement des châssis-échelles ni au coincage à force des panneaux de côté entre les deux, ou plus, de châssis-échelle munis de leurs planchers.Finally, it will be noted that by the ripping process, the notch bottoms are obviously rounded (like the drill bit), which surprisingly does not harm either the positioning of the ladder frames or the forced clamping of the side panels between the two, or plus, ladder frames with their floors.
L'invention est davantage décrite dans les exemples qui suivent en se référant aux dessins en annexe, dans lesquelsThe invention is further described in the examples which follow with reference to the accompanying drawings, in which
- la fig. 1 est un schéma montrant un simple châssis avec un évidement rectangulaire aux quatre coins arrondis illustrant l'impossibilité de juxtaposer correctement les panneaux de plancher contre les échelons et/ou de côté contre les montants . - la fig. 2 montre en plan une panneau découpé pour produire un châssis-échelle muni de rognages et trois panneaux de côté munis d'encoche.- fig. 1 is a diagram showing a simple frame with a rectangular recess with four rounded corners illustrating the impossibility of correctly juxtaposing the floor panels against the rungs and / or from the side against the uprights. - fig. 2 shows in plan a panel cut out to produce a ladder frame provided with trimmings and three side panels provided with a notch.
- la fig. 3 montre plus en détail pour une structure simple, les encoches et rognages permettant un montage rendant ceux-ci invisibles.- fig. 3 shows in more detail for a simple structure, the notches and trims allowing an assembly making these invisible.
- la fig. 4 illustre le montage d'une structure tridimensionnelle selon l'invention, en se basant sur un châssis-échelle de la fig. 2- fig. 4 illustrates the mounting of a three-dimensional structure according to the invention, based on a ladder frame of FIG. 2
Dans ces dessins les signes de références identiques indiquent des éléments identiques ou équivalents.In these drawings, identical reference signs indicate identical or equivalent elements.
Dans ces exemples les panneaux sont des panneaux de MDF de 9 mm d'épaisseur, éventuellement colorés dans la masse ( "Valchromât " ) . Une défonceuse numérique est utilisée avec une mèche diamantée d'un diamètre de 8 mm, réglée pour effectuer des encoches et rognages présentant une profondeur d'au moins 4 mm.In these examples, the panels are 9 mm thick MDF panels, optionally colored in the mass ("Valchromât"). A digital router is used with a diamond drill bit with a diameter of 8 mm, adjusted to perform notches and trimming with a depth of at least 4 mm.
La fig. 1 est un schéma montrant un simple châssis (châssis-échelle à un évidement) avec un panneau de côté 3 et un panneau de plancher 10 disposés perpendiculairement. L' évidement 2 est rectangulaire, obtenu par défonçage, avec quatre coins arrondis 20. On illustre l'impossibilité de juxtaposer correctement les panneaux de plancher 10 contre l'échelon inférieur 5, et le panneau de côté 3 contre le montant 6. La fig. 2 représente en plan un panneau 1 qui a été découpé pour fournir trois évidements 2, réalisés par défonçage à l'aide d'une machine numérique, occupés par 3 panneaux découpés 3. Le panneau 1 ainsi évidé forme un châssis-échelle 4 à trois étages composés d'échelons (5, 5', 5") et de montants latéraux 6, 6'. Les panneaux de côté 3 sont rectangulaires, la longueur étant égale à la largeur augmentée de deux épaisseurs du trait de la mèche. Dans le cas illustré la mèche est de 8 mm, le panneau 3 mesure ainsi 340 x 324 mm.Fig. 1 is a diagram showing a simple frame (frame-ladder with a recess) with a side panel 3 and a floor panel 10 arranged perpendicularly. The recess 2 is rectangular, obtained by knockout, with four rounded corners 20. The impossibility of correctly juxtaposing the floor panels 10 against the lower rung 5 and the side panel 3 against the upright 6 is illustrated. Fig. 2 shows in plan a panel 1 which has been cut to provide three recesses 2, made by knocking out using a digital machine, occupied by 3 cut panels 3. The panel 1 thus hollowed out forms a frame-ladder 4 to three stages composed of steps (5, 5 ', 5 ") and lateral uprights 6, 6'. The side panels 3 are rectangular, the length being equal to the width increased by two thicknesses of the stroke of the wick. illustrated case the wick is 8 mm, the panel 3 thus measures 340 x 324 mm.
Pour pouvoir, lors du montage explicité ultérieurement, coincer les panneaux de côté 3 bien contre 1 ' intérieur des montants 6, on prévoit un rognage 7 dans la tranche inférieure 55 de chaque extrémité d'échelon correspondant. On prévoit également des rognages 8 dans la tranche 66 des montants à la base de chaque évidement.In order to be able, during the assembly explained later, to wedge the side panels 3 firmly against the interior of the uprights 6, a trimming 7 is provided in the lower edge 55 of each corresponding rung end. Trimming 8 is also provided in the portion 66 of the uprights at the base of each recess.
De même, les panneaux de côtés sont prévus avec deux encoches 9 symétriques aptes à coopérer avec les rognages 7, 8.Likewise, the side panels are provided with two symmetrical notches 9 able to cooperate with the trims 7, 8.
La fig. 3 illustre ces encoches et rognages plus en détail. Les encoche présentent une profondeur de 9 mm et une largeur de 9 mm.Fig. 3 illustrates these notches and cropping in more detail. The notches have a depth of 9 mm and a width of 9 mm.
On notera que ces rognages supplémentaires 7, 8 dans les châssis-échelle peuvent être réalisés séparément ou avantageusement effectués durant le parcours de la mèche et n'entraînent alors qu'un va et vient ponctuel à certains endroits. Ces rognages ont une profondeur de 4 mm, et présente donc un profil semi-circulaire de 4 mm de rayon . La fig. 4 illustre le montage d'une étagère selon l'invention en se basant sur les éléments de la fig. 2 avec les dimensions susmentionnées et des panneaux de plancher 10 munis d'encoches 11. Le panneau est un panneau rectangulaire de 370 x 324 mm avec des encoches de 9,5 mm de large et 9,3 mm de profondeur.It will be noted that these additional trims 7, 8 in the ladder frames can be produced separately or advantageously carried out during the course of the drill bit and then only result in punctual comings and goings in certain places. These trims have a depth of 4 mm, and therefore have a semi-circular profile with a radius of 4 mm. Fig. 4 illustrates the mounting of a shelf according to the invention based on the elements of FIG. 2 with the aforementioned dimensions and floor panels 10 provided with notches 11. The panel is a rectangular panel of 370 x 324 mm with notches of 9.5 mm wide and 9.3 mm deep.
Deux châssis-échelles sont maintenus parallèles. Un premier panneau de plancher est coincé horizontalement à la base du premier évidement en faisant coopérer les encoches 11 avec les rognages 8. Un premier panneau de côté peut alors être introduit de biais, en faisant coincider les encoches 9 avec les rognages 7 et en redressant à force le panneau de côté jusqu'à être adjacent au montant 6 du châssis-échelle 4. L'opération peut être répétée avec un panneau de côté à placer du côté opposé. Un second panneau de plancher est ensuite ajouté et ainsi de suite.Two ladder frames are kept parallel. A first floor panel is wedged horizontally at the base of the first recess by making the notches 11 cooperate with the trimmings 8. A first side panel can then be introduced at an angle, making the notches 9 coincide with the trimmings 7 and straightening force the side panel until it is adjacent to the upright 6 of the ladder frame 4. The operation can be repeated with a side panel to be placed on the opposite side. A second floor panel is then added and so on.
En fin de montage, un panneau de toit 12 de dimension appropriée est coincé entre les deux flancs opposés des échelons supérieurs, et reposent sur les tranches supérieures de deux panneaux de côté.At the end of assembly, a roof panel 12 of appropriate size is wedged between the two opposite sides of the upper rungs, and rest on the upper edges of two side panels.
On notera qu'une fois la structure montée selon ce mode de réalisation préféré de l'invention, les rognages d'échelon 7 sont dissimulés par les encoches 9 des panneaux de côté 3 et les rognages 8 de montant 6 sont dissimulés par des encoches 11 des panneaux de plancher 10. It will be noted that once the structure is mounted according to this preferred embodiment of the invention, the step trims 7 are concealed by the notches 9 of the side panels 3 and the trims 8 of the upright 6 are concealed by notches 11 floor panels 10.

Claims

Revendications claims
1. Procédé de fabrication d'une structure rigide tridimensionnelle à partir d'au moins un panneau plat de départ caractérisé en ce qu'une mèche parcourt et découpe le panneau produisant un ou plusieurs évidements rectangulaires et obtention ainsi d'un châssis-échelle munis de rognages d'une part et de panneaux de côté munis d'encoches d'autre part, lesdites encoches et rognages étant prévus pour permettre le coincage d'un panneau de côté entre deux châssis-échelles parallèles munis d'un panneau de plancher, ce dernier étant obtenu séparément.1. A method of manufacturing a rigid three-dimensional structure from at least one flat starting panel characterized in that a wick runs through and cuts the panel producing one or more rectangular recesses and thus obtaining a ladder frame provided trimmings on the one hand and side panels provided with notches on the other hand, said notches and trimmings being provided to allow the wedging of a side panel between two parallel ladder frames provided with a floor panel, the latter being obtained separately.
2. Procédé selon la revendication 1 dans lequel les encoches et rognages sont prévus • pour pouvoir coopérer lors du coincage.2. Method according to claim 1 wherein the notches and trimming are provided • to be able to cooperate during jamming.
3. Procédé selon la revendication 1 ou 2 dans lequel des rognages sont prévus aux coins supérieurs de chaque évidement du châssis-échelle.3. Method according to claim 1 or 2 wherein trimming is provided at the upper corners of each recess of the ladder frame.
4. Procédé selon la revendication précédente dans lequel les rognages sont effectué;? dans l'échelon correspondant, parallèlement aux montants.4. Method according to the preceding claim wherein the trimming is performed ;? in the corresponding rung, parallel to the uprights.
5. Procédé selon n'importe laquelle des revendications précédentes comprenant l'obtention d'un plancher muni de quatre encoches aptes à être coincées dans la tranche des quatre montants de deux châssis-échelles placés parallèlement. 5. Method according to any one of the preceding claims comprising obtaining a floor provided with four notches capable of being wedged in the edge of the four uprights of two chassis-ladders placed in parallel.
6. Procédé selon la revendication précédente dans lequel les panneaux de plancher sont obtenus par découpe d'un panneau de départ de dimension supérieure à l'aide d'une scie.6. Method according to the preceding claim wherein the floor panels are obtained by cutting a starting panel of larger size using a saw.
7. Procédé selon la revendication 5 ou 6 dans lequel les encoches sont obtenues par action d'une mèche.7. The method of claim 5 or 6 wherein the notches are obtained by the action of a wick.
8. Procédé selon n'importe laquelle des revendications précédentes dans lequel la mèche effectue un rognage dans les montants au niveau de chaque coins inférieur des évidements, les rognages ainsi obtenus étant aptes à coopérer avec les encoches du plancher.8. Method according to any one of the preceding claims, in which the wick trims the uprights at each lower corner of the recesses, the trims thus obtained being able to cooperate with the notches in the floor.
8. Structure tridimensionnelle comprenant au moins deux châssis-échelles munis de rognages d'une part et de panneaux de côté munis d'encoches d'autre part, lesdites encoches et rognages étant à fonds arrondis et coopérant par coincage d'un panneau de côté entre deux châssis-échelles parallèles munis d'un panneau de plancher.8. Three-dimensional structure comprising at least two ladder frames provided with trimmings on the one hand and side panels provided with notches on the other hand, said notches and trimmings being with rounded bottoms and cooperating by wedging a side panel between two parallel ladder frames fitted with a floor panel.
9. Structure selon la revendication précédente dans laquelle le panneau de plancher est muni d'au moins quatre encoches aptes à enserrer la tranche d'un montant.9. Structure according to the preceding claim wherein the floor panel is provided with at least four notches capable of enclosing the edge of an upright.
10. Structure selon les revendications 8 ou 9 dans laquelle les encoches sont à fonds arrondis. 10. Structure according to claims 8 or 9 wherein the notches are rounded bottoms.
11. Structure selon n'importe laquelle des revendications 8 à 10 dans laquelle des rognages dans les montants sont prévus au niveau de chaque coin inférieur des évidements, les rognages ainsi obtenus étant aptes à coopérer avec les encoches du plancher.11. Structure according to any one of claims 8 to 10 in which trimmings in the uprights are provided at each lower corner of the recesses, the trimmings thus obtained being able to cooperate with the notches in the floor.
12. Structure selon n'importe laquelle des revendications 8 à 11 dans laquelle les panneaux de côté sont coincés contre les montants des châssis-échelles.12. Structure according to any one of claims 8 to 11 in which the side panels are wedged against the uprights of the ladder frames.
13. Meuble comprenant une structure selon n'importe laquelle les revendications 8 à 12.13. Furniture comprising a structure according to any one of claims 8 to 12.
14. Etagère comprenant ou constitué d'une structure selon n'importe laquelle des revendications 8 à 12.14. A shelf comprising or consisting of a structure according to any one of claims 8 to 12.
15. Ensemble d'éléments réunis et aptes à être montés pour former une structure ou une étagère selon n'importe laquelle des revendications 8 à 14. 15. Set of elements assembled and able to be mounted to form a structure or a shelf according to any one of claims 8 to 14.
EP02774179A 2001-10-30 2002-10-30 Method for making rigid structures from panels Withdrawn EP1441619A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BE200100696 2001-10-30
BE200100696 2001-10-30
PCT/BE2002/000163 WO2003045189A1 (en) 2001-10-30 2002-10-30 Method for making rigid structures from panels

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EP1441619A1 true EP1441619A1 (en) 2004-08-04

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US (1) US20050005568A1 (en)
EP (1) EP1441619A1 (en)
JP (1) JP2005510272A (en)
CN (1) CN1582125A (en)
AU (1) AU2002340649A1 (en)
CA (1) CA2465285A1 (en)
WO (1) WO2003045189A1 (en)

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Publication number Priority date Publication date Assignee Title
US3844634A (en) * 1971-12-27 1974-10-29 Scovill Manufacturing Co Multi-compartment storage structure
BE1009078A4 (en) * 1994-11-03 1996-11-05 Chennaux Alain MANUFACTURING METHOD BY jamming NO TOOLS OF RIGID STRUCTURE IN STARTING PANEL CUTS AND CHASSIS.
DE29502985U1 (en) * 1995-02-22 1995-04-06 Euro-Tech Handelsges.m.b.H., St. Gilgen Vertical element for a piece of furniture

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Title
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WO2003045189A1 (en) 2003-06-05
CA2465285A1 (en) 2003-06-05
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CN1582125A (en) 2005-02-16
US20050005568A1 (en) 2005-01-13
JP2005510272A (en) 2005-04-21

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