EP0100278A1 - Process for making a bed out of sheet material, blank prepared for the process, and bed obtained therefrom - Google Patents

Process for making a bed out of sheet material, blank prepared for the process, and bed obtained therefrom Download PDF

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Publication number
EP0100278A1
EP0100278A1 EP83401516A EP83401516A EP0100278A1 EP 0100278 A1 EP0100278 A1 EP 0100278A1 EP 83401516 A EP83401516 A EP 83401516A EP 83401516 A EP83401516 A EP 83401516A EP 0100278 A1 EP0100278 A1 EP 0100278A1
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EP
European Patent Office
Prior art keywords
flap
flaps
sides
central part
fold line
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Withdrawn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
EP83401516A
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German (de)
French (fr)
Inventor
Vincent Geoffroy-Dechaume
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DROP INTERNATIONAL
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DROP INTERNATIONAL
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Publication date
Application filed by DROP INTERNATIONAL filed Critical DROP INTERNATIONAL
Publication of EP0100278A1 publication Critical patent/EP0100278A1/en
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H33/00—Other toys
    • A63H33/16—Models made by folding paper

Definitions

  • the present invention relates to a process for obtaining a bed from a flat sheet of rigid material.
  • the process was developed for the construction of a doll bed from a sheet of cardboard, but it also applies to the construction of a bed for children or adults, using resistance materials suitable mechanical.
  • the object of the invention is to provide such a method, which also allows a bed to be obtained from a single sheet of material, cut into a unitary assembly.
  • the notches provided on the first flap have the shape of a V symmetrical with respect to the fold line of said flap, the point of the V being located on said fold line and deviating from the middle of the flap, and the branch of the V which is on the side of the central part being directed substantially towards the angle closest to said central part, and advantageously the angle - of the branches of the V with the fold line of the first flap is calculated so that, when the second flap is fully engaged in the notch formed by said notch during
  • the first zone of the second part of the second flap is oriented substantially perpendicular to the central part.
  • the difference between the width of the first flap and the length of the first side of the central part is calculated so that after assembly of the bed, the ends of the first folded flap come to bear on the internal face of the first zone of the second part of the second flap.
  • Figure 1 shows a blank, made of corrugated cardboard, cut and provided with fold lines in a pattern with two rectangular axes of symmetry, and intended to obtain a bed whose head and foot are identical. It is however possible to foresee a reason for dice cutting and folding not symmetrical with respect to a transverse axis, if it is desired that the head and the foot are different, as will be explained later.
  • a central part 1, of rectangular shape, is intended to form the bottom of the bed. It is limited by two long sides, each materialized by a fold line 2 and two short sides also materialized by a fold line 3.
  • the fold line 3 is located on the underside of the blank, while the fold line 2 is made on the upper side.
  • the fold line 2 separates the central part 1 from a first flap 4 whose width is greater than that of the fold line 2. To obtain this result, this fold line is extended on each side by an incision line 5.
  • the fold line 3 separates the central part 1 from a second flap 6, which comprises a first part 7, of the same width as the central part, and which is separated from the first flap 4 by the incision line 5, and a second part 8 which is wider than the first part 7 and is separated from it by a fold line 9. This fold line is located beyond the lateral edge of the first flap 4.
  • the second part 8 is itself divided into a central zone 10 and an end zone 11 by a fold line 12 parallel to the fold lines 3 and 9.
  • the fold lines 9 and 12 are provided on the upper face of the blank.
  • the length of the middle zone 10, i.e. the distance between the fold lines 9 and 12 is less than half the total length of the second flap, i.e. the distance between the line folding 3 and the outer edge 13 of the flap. This has the consequence that this flap can be folded back by bringing the edge 13 into contact with the fold line 5 by forming a prism with a triangular section.
  • the edge 13 has two notches 14 whose length is roughly equal to a quarter of the width of the first flap 4, and whose width is substantially equal to or slightly greater than twice the thickness of the material which constitutes the blank. These notches are substantially in the extension of the fold lines 2.
  • the first flap 4 has, on each side, a notch 15, which does not open outwards. This notch is located in the part of the flap which is beyond the fold line 2 and which is therefore limited by the incision line 5.
  • the notch 15 is symmetrical with respect to a fold line 16, parallel to the fold line 2, and which divides the flap into two substantially equal parts 17 and 18, the part 17 being located between the fold line 2 extended by the incision lines 5 and the fold line 16, while the part 18 is located between the fold line 16 and the outer edge 19 of the flap 4.
  • the notch 1 5 has the shape of a V whose point is on the fold line 1 6 and is directed opposite the middle of the flap 4.
  • the part of the notch which is in the part 17 is directed so that its extension passes substantially through the angle closest to the central part 1 defined by the meeting of the fold lines 2 and 3 and the incision line 5.
  • the notch 15 does not extend that over substantially half the distance between the fold lines 2 and 16.
  • the width of the notch 15 is equal to or slightly greater than the thickness of the material which constitutes the blank.
  • the notch 15 comes to form a notch into which the edge 13 of the second flap 6 can penetrate.
  • the fold line 9 forms the foot of the bed. It can be seen in FIG. 2 that it is double, for reasons indicated below.
  • the fold line 16 forms the edge of the bed, it is also double, in order to obtain a softer shape.
  • the first part 7 and the zones 10 and 11 of the second part of the second flap'6 ' constitute, after folding, a volume in the form of a triangular prism which constitutes the head or the foot of the bed. .
  • the shape and the arrangement of this volume depend on the ratio of the lengths of the elements which compose it, as well as on the position and the inclination of the notch formed by the notch 15.
  • the first part 7 is inclined downwards from the fold line 3, so as to constitute a base which avoids part 1 constituting the bottom of the bed , to be in contact with the ground or to be too close to it.
  • the values of supports for length and angle given above result in giving the part 7 an angle of about 45 ° with the central part 1, that is to say with the ground.
  • the flaps 4 are folded on the central part 1, along the fold line 2, then the part 8 of the flaps 6 is folded over the whole along the fold line 9, which, as mentioned above, is double, which allows the thickness of the flaps to be taken into account 4.
  • the bed just described can be made of corrugated cardboard cut out by laser if it is a child's toy. In the case of a bed for adults it will obviously be made of a suitable material: plastic material in plates, plywood or metal sheet provided with joints or hinges at the location of the fold lines, etc.

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  • Buffer Packaging (AREA)
  • Toys (AREA)
  • Cartons (AREA)

Abstract

Method for obtaining a bed by bending a precut blank made of a material such as corrugated cardboard. The aim of the invention is to produce a bed which is easy to transport, having the form of a flat blank, easy to assemble and disassemble to transport it from one place to another. A central portion (1) is edged by flaps (17, 18) which are folded back to form the edges and by other flaps (7, 10, 11) which are folded back to form the head and the foot of the bed and which are interlocked in the edges by means of notches.

Description

La présente invention est relative à un procédé d'obtention d'un lit à partir d'une feuille plane en matériau rigide.The present invention relates to a process for obtaining a bed from a flat sheet of rigid material.

Le procédé a été mis au point pour la construction d'un lit de poupée à partir d'une feuille de carton, mais il s'applique également à la construction d'un lit pour enfant ou pour adulte, en utilisant des matériaux de résistance mécanique convenable.The process was developed for the construction of a doll bed from a sheet of cardboard, but it also applies to the construction of a bed for children or adults, using resistance materials suitable mechanical.

Depuis un certain nombre d'année, on a observé un grand développement dans la technique de la confection des emballages à partir d'une feuille, ou flan de carton ou matière analogue, qui subissent en usine une préparation consistant essentiellement en un découpage et une confection de lignes de pliage, puis sont envoyés à plat au lieu d'utilisation, où ils sont pliés et éventuellement collés pour obtenir l'emballage désiré. Cette manière de faire permet des économies importantes sur les frais de transport des emballages vides, ainsi qu'une réduction du nombre de ces emballages qui sont endommagés avant utilisation.For a number of years, a great development has been observed in the technique of making packages from a sheet, or blank of cardboard or similar material, which undergo in the factory a preparation consisting essentially of cutting and production of folding lines, then sent flat to the place of use, where they are folded and possibly glued to obtain the desired packaging. This allows significant savings on the cost of transporting empty packaging, as well as a reduction in the number of such packaging that is damaged before use.

De tels procédésont également été proposés dans le domaine du meuble. On peut citer par exemple les brevets français publiés sous le N° 2.424.006 et sous le N° 2.440.709, relatifs à des sièges démontables. Cependant, les problèmes relatifs à des sièges ne permettent pas de transposer les systèmes de montage d'un type de meuble à un autre.Such processes have also been proposed in the field of furniture. We can cite for example the French patents published under No. 2,424,006 and under No. 2,440,709, relating to removable seats. However, the problems relating to seats do not make it possible to transpose the mounting systems from one type of furniture to another.

Il existe donc un besoin pour un procédé d'obtention d'un lit à partir d'une feuille de matériau rigide, et qui permette le transport à plat des éléments constructifs, le montage facile du lit, son démontage facile en vue d'un nouveau transport à plat suivi d'un mouveau remontage.There is therefore a need for a process for obtaining a bed from a sheet of rigid material, and which allows the flat transport of the constructive elements, the easy mounting of the bed, its easy disassembly for a new flat transport followed by a reassembly movement.

Le but de l'invention est de fournir un tel procédé, qui permette en outre l'obtention d'un lit à partir d'une seule feuille de matériau, découpée en un ensemble unitaire.The object of the invention is to provide such a method, which also allows a bed to be obtained from a single sheet of material, cut into a unitary assembly.

La présente invention fournit donc un procédé qui comporte les étapes suivantes :

  • - on prend une feuille plane de matériau rigide, on la découpe pour obtenir une partie centrale rectangulaire bordée sur deux premiers côtés opposés de deux premiers rabats plus larges que lesdits premiers côtés, et sur les deux seconds côtés opposés de deux seconds rabats comportant une première partie de même largeur que lesdits seconds côtés et prolongés par uneseconde partie plus large que lesdits seconds côtés, la largeur des premiers rabats étant inférieure à la somme des longueurs d'un premier côté et des longueurs des deux premières parties des seconds rabats;
  • - on découpe sur le bord extrême des seconds rabats des encoches sensiblement en prolongement des premiers côtés et, dans les premiers rabats des entailles ne débouchant pas vers l'extérieur, de direction générale parallèle à celle des seconds côtés séparés par une distance au moins égale à celle qui sépare les seconds côtés et à peu près équidistants du premier côté et du bord du rabat;
  • - on prépare des lignes de pliage :
  • - le long des premierset seconds côtés, - dans les premiers rabats parallèlement aux premiers côtés .en passant à peu près par le milieu desdits rabats, et
  • - à la limite de la première et la seconde partie des seconds rabats ainsi que dans la seconde partie des seconds rabats, parallèlement aux seconds côtés, la distance entre ces deux dernières lignes de pliage étant inférieure à la moitié de la longueur totale du second rabat;
  • - toutes lesdites lignes de pliage étant sur la même face de la feuille à l'exception de celles qui sont le long des seconds côtés;
  • - on replie les premiers rabats le long de la ligne de pliage située le long du premier côté et de celle qui passe à peu près par leur milieu, amenant ainsi le bord des premiers rabats en contact avec la partie centrale, les deux parties du premier rabat étant perpendiculaires à cette partie centrale; en ce qu'on replie les seconds rabats le long de la ligne de pliage située le long du second côté et des deux autres lignes de pliage desdits rabats;
  • - on amène chaque encoche d'un second rabat en contact avec une nouvelle encoche obtenue à partir de l'entaille d'un premier rabat lors du pliage de celui-ci;
  • - on fait pénétrer lesdites encoches l'une dans l'autre jusqu'à ce que le bord du second rabat vienne en contact avec la partie centrale ou le fond d'une des encoches avec le fond de l'autre,
The present invention therefore provides a method which comprises the following steps:
  • - Take a flat sheet of rigid material, cut it to obtain a rectangular central part bordered on two opposite first sides of two first flaps wider than said first sides, and on two opposite second sides of two second flaps having a first part of the same width as said second sides and extended by a second part wider than said second sides, the width of the first flaps being less than the sum of the lengths of a first side and the lengths of the first two parts of the second flaps;
  • - Notches are cut on the extreme edge of the second flaps substantially as an extension of the first sides and, in the first flaps notches not opening towards the outside, in a general direction parallel to that of the second sides separated by a distance at least equal to that which separates the second sides and approximately equidistant from the first side and the edge of the flap;
  • - we prepare fold lines:
  • - along the first and second sides, - in the first flaps parallel to the first sides. passing approximately through the middle of said flaps, and
  • - at the limit of the first and second part of the second flaps as well as in the second part of the second flaps, parallel to the second sides, the distance between these last two fold lines being less than half the total length of the second flap ;
  • - all of said fold lines being on the same face of the sheet with the exception of those which are along the second sides;
  • - the first flaps are folded along the fold line located along the first side and that which passes roughly through their middle, thus bringing the edge of the first flaps into contact with the central part, the two parts of the first flap being perpendicular to this central part; in that the second flaps are folded along the fold line located along the second side and the other two fold lines of said flaps;
  • - Each notch of a second flap is brought into contact with a new notch obtained from the notch of a first flap when it is folded;
  • - said notches are made to penetrate one another until the edge of the second flap comes into contact with the central part or the bottom of one of the notches with the bottom of the other,

De préférence, les entailles prévues sur le premier rabat ont la forme d'un V symétrique par rapport à la ligne de pliage dudit rabat, la pointe du V étant située sur ladite ligne de pliage et s'écartant du milieu du rabat, et la branche du V qui est du côté de la partie centrale étant dirigée sensiblement vers l'angle le plus proche de ladite partie centrale, et avantageusement l'angle - des branches du V avec la ligne de pliage du premier rabat est calculé pour que, lorsque le second rabat est engagé à fond dans l'encoche formée par ladite entaille lors duPreferably, the notches provided on the first flap have the shape of a V symmetrical with respect to the fold line of said flap, the point of the V being located on said fold line and deviating from the middle of the flap, and the branch of the V which is on the side of the central part being directed substantially towards the angle closest to said central part, and advantageously the angle - of the branches of the V with the fold line of the first flap is calculated so that, when the second flap is fully engaged in the notch formed by said notch during

pliage des deux parties du premier rabat l'une sur l'autre et perpendiculairement à la partie centrale, la première zone de la seconde partie du second rabat soit orientée sensiblement perpendiculairement à la partie centrale.folding of the two parts of the first flap one on the other and perpendicular to the central part, the first zone of the second part of the second flap is oriented substantially perpendicular to the central part.

De préférence aussi la différence entre la largeur du premier rabat et la longueur du premier côté de la partie centrale est calculée pour qu'après montage du lit, les extrémités du premier rabat replié viennent en appui sur la face interne de la première zone de la seconde partie du second rabat.Preferably also the difference between the width of the first flap and the length of the first side of the central part is calculated so that after assembly of the bed, the ends of the first folded flap come to bear on the internal face of the first zone of the second part of the second flap.

L'invention va être décrite plus en détail à l'aide d'un exemple pratique, illustré par les dessins, parmi lesquels :

  • Fig. 1 est une vue en plan du flan préparé pour le pliage.
  • Fig. 2 est une vue perspective du lit terminé.
The invention will be described in more detail using a practical example, illustrated by the drawings, among which:
  • Fig. 1 is a plan view of the blank prepared for folding.
  • Fig. 2 is a perspective view of the finished bed.

La figure 1 montre un flan, réalisé en carton ondulé, découpé et pourvu de lignes de pliage suivant un motif à deux axes de symétrie rectangulaires, et destiné à l'obtention d'un lit dont la tête et le pied sont identiques. Il est toutefois possible de prévoir un motif de découpage et pliage non symétrique par rapport à un axe transversal, si l'on désire que la tête et le pied soient différents, ainsi qu'il sera expliqué plus loin.Figure 1 shows a blank, made of corrugated cardboard, cut and provided with fold lines in a pattern with two rectangular axes of symmetry, and intended to obtain a bed whose head and foot are identical. It is however possible to foresee a reason for dice cutting and folding not symmetrical with respect to a transverse axis, if it is desired that the head and the foot are different, as will be explained later.

Une partie centrale 1, de forme rectangulaire, est destinée à former le fond du lit. Elle est limitée par deux grands côtés, matérialisés chacun par une ligne de pliage 2 et deux petits côtés matérialisés également par une ligne de pliage 3. La ligne de pliage 3 est située sur la face inférieure du flan, alors que la ligne de pliage 2 est réalisée sur la face supérieure.A central part 1, of rectangular shape, is intended to form the bottom of the bed. It is limited by two long sides, each materialized by a fold line 2 and two short sides also materialized by a fold line 3. The fold line 3 is located on the underside of the blank, while the fold line 2 is made on the upper side.

La ligne de pliage 2 sépare la partie centrale 1 d'un premier rabat 4 dont la largeur est supérieure à celle de la ligne de pliage 2. Pour obtenir ce résultat, cetté ligne de pliage est prelongée de chaque côté par une ligne d'incision 5.The fold line 2 separates the central part 1 from a first flap 4 whose width is greater than that of the fold line 2. To obtain this result, this fold line is extended on each side by an incision line 5.

La ligne de pliage 3 sépare la partie centrale 1 d'un second rabat 6, qui comprend une première partie 7, de même largeur que la partie centrale, et qui est séparée du premier rabat 4 par la ligne d'incision 5, et une seconde partie 8 qui est plus large que la première partie 7 et en est séparée par une ligne de pliage 9. Cette ligne de pliage se trouve au-delà du bord latéral du premier rabat 4.The fold line 3 separates the central part 1 from a second flap 6, which comprises a first part 7, of the same width as the central part, and which is separated from the first flap 4 by the incision line 5, and a second part 8 which is wider than the first part 7 and is separated from it by a fold line 9. This fold line is located beyond the lateral edge of the first flap 4.

La seconde partie 8 est elle-même divisée en une zone médiane 10 et une zone d'extrémité 11 par une ligne de pliage 12 parallèle aux lignes de pliage 3 et 9. Les lignes de pliage 9 et 12 sont prévues sur la face supérieure du flan.The second part 8 is itself divided into a central zone 10 and an end zone 11 by a fold line 12 parallel to the fold lines 3 and 9. The fold lines 9 and 12 are provided on the upper face of the blank.

La longueur de la zone médiane 10, c'est-à-dire la distance entre les lignes de pliage 9 et 12 est inférieure à la moitié de la longueur totale du second rabat, c'est-à-dire la distance entre la ligne de pliage 3 et le bord extérieur 13 du rabat. Cela a pour conséquence qu'on peut replier ce rabat en amenant le bord 13 au contact de la ligne de pliage 5 en formant un prisme à section triangulaire.The length of the middle zone 10, i.e. the distance between the fold lines 9 and 12 is less than half the total length of the second flap, i.e. the distance between the line folding 3 and the outer edge 13 of the flap. This has the consequence that this flap can be folded back by bringing the edge 13 into contact with the fold line 5 by forming a prism with a triangular section.

Le bord 13 comporte deux encoches 14 dont la longueur est à peu près égale au quart de la largeur du premier rabat 4, et dont la largeur est sensiblement égale ou légèrement supérieure au double de l'épaisseur du matériau qui constitue le flan. Ces encoches sont sensiblement dans le prolongement des lignes de pliage 2.The edge 13 has two notches 14 whose length is roughly equal to a quarter of the width of the first flap 4, and whose width is substantially equal to or slightly greater than twice the thickness of the material which constitutes the blank. These notches are substantially in the extension of the fold lines 2.

Le premier rabat 4 présente, de chaque côté, une entaille 15, qui ne débouche pas vers l'extérieur. Cette entaille se trouve dans la partie du rabat qui est au-delà de la ligne de pliage 2 et qui est donc limitée par la ligne d'incision 5. L'entaille 15 est symétrique par rapport à une ligne de pliage 16, parallèle à la ligne de pliage 2, et qui partage le rabat en deux parties sensiblement égales 17 et 18, la partie 17 étant située entre la ligne de pliage 2 prolongée par les lignes d'incision 5 et la ligne de pliage 16, alors que la partie 18 est située entre la ligne de pliage 16 et le bord extérieur 19 du rabat 4.The first flap 4 has, on each side, a notch 15, which does not open outwards. This notch is located in the part of the flap which is beyond the fold line 2 and which is therefore limited by the incision line 5. The notch 15 is symmetrical with respect to a fold line 16, parallel to the fold line 2, and which divides the flap into two substantially equal parts 17 and 18, the part 17 being located between the fold line 2 extended by the incision lines 5 and the fold line 16, while the part 18 is located between the fold line 16 and the outer edge 19 of the flap 4.

L'entaille 15 a la forme d'un V dont la pointe est sur la ligne de pliage 16 et est dirigée à l'opposé du milieu du rabat 4. La partie de l'entaille qui se trouve dans la partie 17 est dirigée de façon que son prolongement passe sensiblement par l'angle le plus proche de la partie centrale 1 défini par la rencontre des lignes de pliage 2 et 3 et de la ligne d'incision 5. Toutefois, l'entaille 15 ne s'étend que sur sensiblement la moitié de la distance entre les lignes de pliage 2 et 16. La largeur de l'entaille 15 est égale ou légèrement supérieure à l'épaisseur du matériau qui constj-tu-e le flan.The notch 1 5 has the shape of a V whose point is on the fold line 1 6 and is directed opposite the middle of the flap 4. The part of the notch which is in the part 17 is directed so that its extension passes substantially through the angle closest to the central part 1 defined by the meeting of the fold lines 2 and 3 and the incision line 5. However, the notch 15 does not extend that over substantially half the distance between the fold lines 2 and 16. The width of the notch 15 is equal to or slightly greater than the thickness of the material which constitutes the blank.

Si on replie les deux parties du flan autour des lignes de pliage 2 et 16 de façon à amener le bord 19 en contact avec la ligne de pliage 2, les deux parties 17 et 18 étant perpendiculaires à la partie centrale 1, l'entaille 15 vient former une encoche dans laquelle peut pénétrer le bord 13 du second rabat 6.If the two parts of the blank are folded around the fold lines 2 and 16 so as to bring the edge 19 into contact with the fold line 2, the two parts 17 and 18 being perpendicular to the central part 1, the notch 15 comes to form a notch into which the edge 13 of the second flap 6 can penetrate.

Le montage du lit à partir du flan ainsi préparé s'effectue de façon simple :

  • -on plie à 180° les parties 17 et 18 des premiers rabats 4 autour de la ligne de pliage 16, puis on plie l'ensemble à 90° autour de la ligne de pliage 2,
  • -on plie les zones 10 et 11 des seconds rabats 6 autour de la ligne de pliage 12 et, en faisant jouer les lignes de pliage 9 et 3, on amène les encoches 14 au contact des encoches formées par les entailles 15, et on réalise un interpénétration des deux rabats jusqu'à ce que le bord 13 arrive au contact de la partie centrale 1, à peu près au moment où les fonds des deux encoches viennent en contact réciproque, le lit est alors monté et prêt à recevoir son équipement : matelas, etc.....
The mounting of the bed from the blank thus prepared is carried out in a simple manner:
  • the parts 17 and 18 of the first flaps 4 are folded at 180 ° around the fold line 16, then the assembly is folded at 90 ° around the fold line 2,
  • -the zones 10 and 11 of the second flaps 6 are folded around the fold line 12 and, by making the fold lines 9 and 3 play, the notches 14 are brought in contact with the notches formed by the notches 15, and the two flaps are interpenetrated until the edge 13 comes into contact with the central part 1, approximately at the moment when the bottoms of the two notches come into reciprocal contact , the bed is then assembled and ready to receive its equipment: mattress, etc .....

La ligne de pliage 9 vient constituer le pied du lit. On constate sur la figure 2 qu'elle est double, pour des raisons indiquées plus loin. La ligne de pliage 16 vient constituer le bord du lit , elle est également double, dans le but d'obtenir une forme plus adoucie.The fold line 9 forms the foot of the bed. It can be seen in FIG. 2 that it is double, for reasons indicated below. The fold line 16 forms the edge of the bed, it is also double, in order to obtain a softer shape.

Comme on l'a déjà dit, la première partie 7 et les zones 10 et 11 de la seconde partie du second rabat'6' constituent, après pliage,un volume en forme de prisme triangulaire qui constitue .la tête ou le pied du lit. La forme et la disposition de ce volume dépendent du rapport des longueurs des éléments qui le composent, ainsi que de la position et de l'inclinaison de l'encoche formée par l'entaille 15.As already said, the first part 7 and the zones 10 and 11 of the second part of the second flap'6 'constitute, after folding, a volume in the form of a triangular prism which constitutes the head or the foot of the bed. . The shape and the arrangement of this volume depend on the ratio of the lengths of the elements which compose it, as well as on the position and the inclination of the notch formed by the notch 15.

On a constaté qu'une disposition agréable à l'oeil est obtenue en choisissant des distances entre les lignes de pliage 3,9 et 12 et le bord 13 du rabat 6 dans les rapports 9:22:18 et en donnant à l'angle entre la direction des côtés de l'entaille 15 et celle de la ligne de pliage 16 une valeur de 65° environ. Dans ce cas, la zone 10 prend après pliage une position à peu près verticale, et la lon- gueur de la ligne d'incision 5 est dans le rapport 6:9 par rapport à la distance entre les lignes de pliage 3 et 9, l'extrémité du rabat 4 vient en appui contre la face interne de la zone 10, ce qui consolide l'ensemble.It has been found that an arrangement pleasing to the eye is obtained by choosing distances between the fold lines 3,9 and 12 and the edge 13 of the flap 6 in the ratios 9:22:18 and by giving the angle between the direction of the sides of the notch 15 and that of the fold line 16 a value of approximately 65 °. In this case, the zone 10 after folding takes a position approximately vertical, and the LON ueur g of the incision line 5 is in the ratio 6: 9 with respect to the distance between the fold lines 3 and 9 , the end of the flap 4 comes to bear against the internal face of the zone 10, which consolidates the assembly.

Si l'on désire une forme différente, il suffit de modifier ces différents rapports. Par exemple, si on désire un pied de lit moins haut que la tête, on diminuera la distance entre les lignes de pliage 9 et 12 et on diminuera en correspondance la valeur de l'angle entre la direction des côtés.de l'entaille 15 et celle de la ligne de pliage de façon à ce que la zone 10 soit encore verticale.If you want a different form, you just have to modify these different ratios. For example, if you want a footboard that is lower than the headboard, the distance between the fold lines 9 and 12 will be reduced and the value of the angle between the direction of the sides will be correspondingly reduced . of the notch 15 and that of the fold line so that the zone 10 is still vertical.

Il est important du point de vue esthétique et pratique qu'après pliage, la première partie 7 soit inclinée vers le bas à partir de la ligne de pliage 3, de façon à constituer un piètement qui évite à la partie 1 constituant le fond du lit, d'être en contact avec le sol ou d'en être trop près. Les valeurs de supports de longueur et d'angle données plus haut aboutissent à donner à la partie 7 un angle d'environ 45° avec la partie centrale 1, c'est-à-dire avec le sol.It is important from an aesthetic and practical point of view that after folding, the first part 7 is inclined downwards from the fold line 3, so as to constitute a base which avoids part 1 constituting the bottom of the bed , to be in contact with the ground or to be too close to it. The values of supports for length and angle given above result in giving the part 7 an angle of about 45 ° with the central part 1, that is to say with the ground.

Pour le transport vers le lieu de montage on plie les rabats 4 sur la partie centrale 1, le long de la ligne de pliage 2, puis on replie la partie 8 des rabats 6 sur l'ensemble le long de la ligne de pliage 9, qui, comme on l'a dit plus haut est, double, ce qui permet de prendre en compte l'épaisseur des rabats 4. On obtient ainsi un emballage de format réduit et compact, particulièrement avantageux pour le transport , le stockage et la présentation au point de vente.For transport to the mounting location, the flaps 4 are folded on the central part 1, along the fold line 2, then the part 8 of the flaps 6 is folded over the whole along the fold line 9, which, as mentioned above, is double, which allows the thickness of the flaps to be taken into account 4. This gives a reduced and compact format packaging, particularly advantageous for transport, storage and presentation at the point of sale.

Le lit qu'on vient de décrire peut être réalisé en carton ondulé découpé au laser s'il s'agit d'un jouet d'- enfant. Dans le cas d'un lit pour adultes il sera évidemment réalisé dans une matière appropriée : matière plastique en plaques, contreplaqué ou tôle métallique munie d'articulations ou charnières à l'endroit des lignes de pliage, etc...The bed just described can be made of corrugated cardboard cut out by laser if it is a child's toy. In the case of a bed for adults it will obviously be made of a suitable material: plastic material in plates, plywood or metal sheet provided with joints or hinges at the location of the fold lines, etc.

Claims (8)

1. Procédé d'obtention d'un lit, caractérisé en ce qu'on prend une feuille plane de matière rigide, en ce qu'on la découpe pour obtenir une partie centrale rectangulaire (1) bordée sur deux premiers côtés opposés de deux premiers rabats (4) plus larges que lesdits premiers côtés, et sur les deux seconds côtés opposés de deux seconds rabats (6) comportant unepremière partie (7) de même largeur que lesdits seconds côtés et prolongée par une seconde partie (8) plus large que lesdits seconds côtés, la largeur des premiers rabats étant inférieure à la somme des longueurs d'un premier côté et des longueurs des deux premières parties des seconds rabats; en ce qu'on découpe sur le bord extrême (13) des seconds rabats des encoches (14) sensiblement en prolongement des premiers côtés et, dans les premiers rabats des entailles (15) ne débouchant pas vers l'extérieur, la direction générale parallèle à celle des seconds côtés séparés par une distance au moins égale à celle qui sépare les seconds côtés, et à peu près équidistants du premier côté et du bord du rabat; en ce qu'on prépare des lignes de pliage : - le long des premiers et seconds côtés (2,3) dans les premiers rabats parallèlement aux premiers côtés en passant à peu près par le milieu desdits rabats (16), et - à la limite de la première et la seconde parties des seconds rabats ( 9) ainsi que dans la seconde partie des seconds rabats (14) parallèlement aux secondes côtés la distance entre ces deux dernières lignes de pliage étant inférieure à la moitié de la longueur totale du second rabat; - toutes les dites lignes de pliage étant sur la même face de la feuille à l'exception de celles qui sont le long des seconds côtés; en ce qu'on replie les premiers rabats (4) le long de la ligne de pliage (2) située le long du premier côté et de celle qui passe à peu près par leur milieu (16), amenant ainsi le bord (19) des premiers rabats en contact avec la partie centrale (1) les deux parties du premier rabat étant perpendiculaires à cette partie centrale; en ce qu'on replie les seconds rabats (6) le long de la ligne de pliage (5) située le long du second côté et des deux autres lignes de pliage (9,12) desdits rabats; en ce qu'on amène chaque encoche (14) d'un second rabat en contact avec une nouvelle encoche obtenue à partir de l'entaille (15) d'un premier rabat lors du pliage de celui-ci; et en ce qu'on fait pénétrer lesdites encoches l'une dans l'autre jusqu'à ce que le bord du second rabat vienne en contact avec la partie centrale, ou le fond d'une des encoches avec le fond de l'autre. 1. A method of obtaining a bed, characterized in that one takes a flat sheet of rigid material, in that it is cut to obtain a rectangular central part (1) bordered on two opposite first sides of the first two flaps (4) wider than said first sides, and on the two opposite second sides of two second flaps (6) comprising a first part (7) of the same width as said second sides and extended by a second part (8) wider than said second sides, the width of the first flaps being less than the sum of the lengths of a first side and the lengths of the first two parts of the second flaps; in that on the extreme edge (13) of the second flaps of the notches (14) substantially in extension of the first sides and, in the first flaps of the notches (15) not opening outwards, the general parallel direction to that of the second sides separated by a distance at least equal to that which separates the second sides, and approximately equidistant from the first side and from the edge of the flap; in that we prepare fold lines: - along the first and second sides (2,3) in the first flaps parallel to the first sides passing approximately through the middle of said flaps (16), and - at the limit of the first and second parts of the second flaps (9) as well as in the second part of the second flaps (14) parallel to the second sides, the distance between these last two fold lines being less than half the length total of the second flap; - all of said fold lines being on the same face of the sheet with the exception of those which are along the second sides; in that the first flaps (4) are folded along the fold line (2) located along the first side and that which passes roughly through their middle (16), thus bringing the edge (19) of the first flaps in contact with the central part (1) the two parts of the first flap being perpendicular to this central part; in that the second flaps (6) are folded along the fold line (5) located along the second side and the two other fold lines (9,12) of said flaps; in that each notch (14) of a second flap is brought into contact with a new notch obtained from the notch (15) of a first flap when it is folded; and in that said notches penetrate one into the other until the edge of the second flap comes into contact with the central part, or the bottom of one of the notches with the bottom of the other . 2. Procédé selon la revendication 1, caractérisé en ce que les entailles (15) prévues sur le premier ra bat (4) ont la forme d'un V symétrique par rapport à la ligne de pliage (16) dudit rabat, la pointe du V étant située sur ladite ligne de pliage et s'écartant du milieu du rabat, et la branche du V qui est du côté de la partie centrale (1) étant dirigée sensiblement vers l'angle le plus proche de ladite partie centrale.2. Method according to claim 1, characterized in that the notches (15) provided on the first bat bat (4) have the shape of a V symmetrical with respect to the fold line (16) of said flap, the tip of the V being located on said fold line and moving away from the middle of the flap, and the branch of V which is on the side of the central part (1) being directed substantially towards the angle closest to said central part. 3. Procédé selon la revendication 2, caractérisé en ce que l'angle des branches du V avec la ligne de pliage (16) du premier rabat est calculé pour que, lorsque le second rabat est engagé à fond dans l'encoche formée par ladite entaille lors du pliage des deux parties du premier rabat l'un sur l'autre et perpendiculairement à la partie centrale, la première zone (10) de la seconde partie du second rabat soit orientée sensiblement perpendiculairement la partie centrale.3. Method according to claim 2, characterized in that the angle of the branches of the V with the fold line (16) of the first flap is calculated so that, when the second flap is fully engaged in the notch formed by said notch during the folding of the two parts of the first flap one on the other and perpendicular to the central part, the first zone (10) of the second part of the second flap is oriented substantially perpendicular to the central part. 4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que la différence entre la largeur du premier rabat (4) et la longueur du premier coté/de la partie centrale est calculée pour qu'après montage du lit, les extrémités du premier rabat replié viennent en appui sur la face interne de la première zone 10 de la seconde partie du second rabat.4. Method according to one of claims 1 to 3, characterized in that the difference between the width of the first flap (4) and the length of the first side / of the central part is calculated so that after mounting the bed, the ends of the first folded flap bear on the internal face of the first zone 10 of the second part of the second flap. 5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce qu'on calcule les rapports des longueurs des éléments 7, 10 et 11 ainsi que l'angle des côtés de l'entaille 15 avec la ligne de pliage 16 pour qu'après montage la partie 7 soit oblique sur la partie centrale 1.5. Method according to one of claims 1 to 4, characterized in that one calculates the ratios of the lengths of the elements 7, 10 and 11 as well as the angle of the sides of the notch 15 with the fold line 16 for that after mounting the part 7 is oblique on the central part 1. 6. Procédé selon la revendication 5, caractérisé en ce que les distances entre les lignes de pliage 3, 9 et 12 et le bord 13 du rabat soient environ dans le rapport 9 : 22 : 18 et en ce que l'angle des côtés de l'entaille avec la ligne de pliage 16 est d'environ 45°.6. Method according to claim 5, characterized in that the distances between the fold lines 3, 9 and 12 and the edge 13 of the flap are approximately in the ratio 9: 22: 18 and in that the angle of the sides of the notch with fold line 16 is approximately 45 ° . 7. Flan prédécoupé et présentant des lignes de pliage, spécialement destiné à la mise en oeuvre du procédé selon l'une des revendications 1 à 6.7. precut blank having fold lines, specially intended for implementing the method according to one of claims 1 to 6. 8. Lit obtenu par les procédés selon l'une des revendications 1 à 6.8. Bed obtained by the methods according to one of claims 1 to 6.
EP83401516A 1982-07-27 1983-07-22 Process for making a bed out of sheet material, blank prepared for the process, and bed obtained therefrom Withdrawn EP0100278A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8213125 1982-07-27
FR8213125A FR2531008A1 (en) 1982-07-27 1982-07-27 METHOD FOR OBTAINING A BED FROM SHEET MATERIAL, FLAN PREPARED FOR CARRYING OUT THE METHOD AND BED OBTAINED

Publications (1)

Publication Number Publication Date
EP0100278A1 true EP0100278A1 (en) 1984-02-08

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Application Number Title Priority Date Filing Date
EP83401516A Withdrawn EP0100278A1 (en) 1982-07-27 1983-07-22 Process for making a bed out of sheet material, blank prepared for the process, and bed obtained therefrom

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EP (1) EP0100278A1 (en)
ES (1) ES524435A0 (en)
FR (1) FR2531008A1 (en)
WO (1) WO1984000504A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9207540U1 (en) * 1992-06-04 1992-09-24 Janoušek, Ernst, 8402 Neutraubling Cardboard model building block
WO2003020080A1 (en) * 2001-08-31 2003-03-13 Michael David Collins Headboard

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2216787A (en) * 1988-04-08 1989-10-18 Mendoza Blanco Margarita Furniture
US6973686B2 (en) * 2002-12-19 2005-12-13 Ruth Kenan Corrugated cardboard crib

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1720016A (en) * 1927-01-28 1929-07-09 Robert Gair Co Cradle container
US1982780A (en) * 1933-04-14 1934-12-04 Trautmann Bailey & Blampey Inc Combination container

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1720016A (en) * 1927-01-28 1929-07-09 Robert Gair Co Cradle container
US1982780A (en) * 1933-04-14 1934-12-04 Trautmann Bailey & Blampey Inc Combination container

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9207540U1 (en) * 1992-06-04 1992-09-24 Janoušek, Ernst, 8402 Neutraubling Cardboard model building block
WO2003020080A1 (en) * 2001-08-31 2003-03-13 Michael David Collins Headboard
GB2395428A (en) * 2001-08-31 2004-05-26 Michael David Collins Headboard
GB2395428B (en) * 2001-08-31 2005-11-30 Michael David Collins Headboard

Also Published As

Publication number Publication date
WO1984000504A1 (en) 1984-02-16
ES8501320A1 (en) 1984-11-16
ES524435A0 (en) 1984-11-16
FR2531008A1 (en) 1984-02-03

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