EP3478907B1 - Modular panel for pool walls and corresponding pool - Google Patents

Modular panel for pool walls and corresponding pool Download PDF

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Publication number
EP3478907B1
EP3478907B1 EP17745409.7A EP17745409A EP3478907B1 EP 3478907 B1 EP3478907 B1 EP 3478907B1 EP 17745409 A EP17745409 A EP 17745409A EP 3478907 B1 EP3478907 B1 EP 3478907B1
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EP
European Patent Office
Prior art keywords
main body
modular panel
modular
panel
walls
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EP17745409.7A
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German (de)
French (fr)
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EP3478907A1 (en
Inventor
Jean-Louis Desjoyaux
Jacky TRIPIER
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Piscines Desjoyaux SA
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Piscines Desjoyaux SA
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Priority to PL17745409T priority Critical patent/PL3478907T3/en
Publication of EP3478907A1 publication Critical patent/EP3478907A1/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00Swimming or splash baths or pools
    • E04H4/0075Swimming or splash baths or pools made of concrete
    • E04H4/0081Swimming or splash baths or pools made of concrete with walls and floor cast in situ
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84Walls made by casting, pouring, or tamping in situ
    • E04B2/86Walls made by casting, pouring, or tamping in situ made in permanent forms
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G9/00Forming or shuttering elements for general use
    • E04G9/02Forming boards or similar elements
    • E04G9/05Forming boards or similar elements the form surface being of plastics
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G9/00Forming or shuttering elements for general use
    • E04G9/10Forming or shuttering elements for general use with additional peculiarities such as surface shaping, insulating or heating, permeability to water or air

Definitions

  • the present invention relates to the field of construction elements for pools and swimming pools. It relates in particular to modular panels intended to form the vertical walls of a basin.
  • the documents EP0382649 and FR2765909 describe modular plastic panels, generally rectangular in shape, whose width (of the order of a few tens of cm) is reduced relative to the height (of the order of 120cm).
  • the panels comprise a main body having an inner face constituting the inner wall of the basin and an outer face provided with a vertical and hollow reinforcing element, suitable for receiving concrete and for forming a vertical column for holding the structure (also called fireplace).
  • each modular panel is designed from plastic injection molds having a flat face in the width and length direction to form the inner face of the main body; this is expected to be flat after assembly and laying, to ensure good flatness of the entire interior wall of the basin.
  • An object of the invention is to propose a modular plastic panel making it possible to obtain good flatness of the interior walls of the basin.
  • the panel is remarkable in that the first face has a convex transverse curvature over the width of the main body in a plastic injection mold, the maximum amplitude of the transverse curvature relative to the reference plane being chosen to compensate all or part deformations, occurring between the outlet of the mold and the setting of the concrete, in the transverse and longitudinal directions.
  • the modular panel according to the invention makes it possible to obtain interior walls of basin having good flatness due to the initial convex transverse curvature of the main body of the panel, a first face of which will form an interior face of the walls of the basin.
  • the initial convex transverse curvature makes it possible to compensate at least in part, the deformations occurring between the exit from the mold and the setting of the concrete, at the level of the first face of the main body, in both transverse and longitudinal directions.
  • the invention also relates to a swimming pool comprising walls formed of a plurality of modular panels as above, the interior faces of the walls having a deviation, with respect to their mean planes, of less than 1 mm.
  • modular panels of injected plastic of substantially rectangular shape, having a length (along the z axis in the figures) and a width (along the x axis in the figures).
  • the length of the panel defines the height of the basin wall resulting from the assembly of a plurality of modular panels.
  • the longitudinal direction is that extending along the length of the panel and the transverse direction is that extending along the width of the panel.
  • the modular panels considered are shuttering panels, that is to say comprising a longitudinal compartment for pouring concrete. They also have a first face corresponding to the inner face of the wall of the basin.
  • FIG. 1a illustrates by views respectively in cross section and in longitudinal section, the type of curvature observed.
  • the first face 11 of the modular panel 10 of the state of the art is deformed according to a concave curvature (along the axis y in the figures), both in the transverse direction (FIG. 1a) and in the longitudinal direction ( figure 1b ).
  • the transverse concave curvature of the first face the after layering can be of the order of 1.5mm to 2mm and the longitudinal concave curvature can be of the order of 2mm to 5mm .
  • the applicant has determined that the first face 1a of the modular panel 10 is subjected to several mechanical stresses inducing successive concave and convex deformations, of various amplitudes, in the transverse and longitudinal directions: a first deformation inducing a curvature concave takes place after drying of the injected plastic panel, typically 24 hours after its removal from the injection mold; a second deformation inducing a convex curvature takes place during the introduction of the concrete into the paneling compartment of the panel; finally, a third deformation, inducing a concave curvature, takes place during the drying of the concrete due to the shrinking of the concrete which heats up appreciably, making the plastic material of the panel 10 more deformable.
  • the depositor was able to design a modular panel 100 made of plastic material making it possible to eliminate all or part of the undulations observed on the interior assembled walls of a basin.
  • the modular panel 100 comprises a main body 1 of generally rectangular shape, a first face 1a of which is intended to be oriented towards the interior of the basin ( figure 2 ).
  • the lengths L of the main body 1 define the height of the walls of the basin.
  • the longitudinal direction is that extending along the length L of the main body 1 and the transverse direction is that extending along the width A of the main body 1.
  • the length L may be between 1m and 1.5m; the width A may be between 0.2 and 0.5m.
  • the first face 1a of the main body 1 has a convex transverse curvature over the entire width A of the main body 1, in the plastic injection mold or immediately after its extraction from the injection mold.
  • a convex shape corresponds to a domed curvature (as opposed to a hollow curvature) of the first face 1a, as illustrated in the figure 3 .
  • the maximum amplitude, denoted C i of the initial convex transverse curvature of the main body 1 corresponds to the deviation between the reference plane P and a central point of the width A of the main body 1.
  • This maximum amplitude is chosen to compensate for all or part of a deformation generated when the concrete sets.
  • the maximum amplitude of the initial transverse convex curvature of the main body 1 is between 0.2% and 0.7% of the width of the main body 1.
  • the initial transverse convex curvature of the main body 1 is advantageously of the order of 1.2mm.
  • the first face 1a of the main body 1 has a zero or very small longitudinal curvature (typically less than 0.4 mm) over the entire length L of the main body 1, in the plastic injection mold.
  • the main body 1 advantageously comprises longitudinal peripheral wings 1c, that is to say extending along its lengths L.
  • the longitudinal wings 1c are provided with fastening members 1d which will allow the assembly of the modular panels 100 two by two ( figure 3 ).
  • the fastening members 1d may for example be of the snap-on type or compatible with a screw / nut system.
  • the longitudinal peripheral wings 1c are also provided with centering and sealing means. They are formed along the two longitudinal wings 1c, by a male profile 1c of substantially triangular section, and by a female profile 1e 'of substantially triangular section, complementary to the male profile. Preferably, the male and female sections 1e 'extend over the entire length (height) of the longitudinal peripheral wings 1c.
  • the main body 1 preferably comprises reinforcing ribs 1f on a second face 1b ( figure 4 ). They can extend over its entire length L. They can also form a mesh by also extending over all or part of its width A.
  • the modular panel 100 also includes a complementary body 2 able to be fixed on the second face 1b of the main body 1 and defining a hollow column 2a intended to receive concrete ( figure 4 ).
  • the main body 1 thus advantageously comprises locking means 1g cooperating with complementary means 2b included on the complementary body 2.
  • the locking means 1g can consist of lugs comprising a shoulder at their free ends.
  • the complementary means 2b consist of strangled lights. The shoulders of the pins are inserted first in the widest part of the lights; the complementary body 2 is then pressed against the second face 1b of the main body 1. Finally, a longitudinal downward movement of the complementary body 2 allows the pins to be wedged in the strangled parts of the slots; the shoulders of the lugs, wider than the choked parts, allow the complementary body 2 to be locked on the main body 1.
  • the main body 1 and the complementary body 2 are made of plastic and are formed by injection and molding of a thermosetting plastic as previously mentioned.
  • the thickness of the main body 1 in the part constituting its first la and second 1b faces is of the order of 2 to 3 mm.
  • a plurality of modular panels 100 can be assembled according to a closed contour.
  • the set of first faces 1a of main bodies 1 of the plurality of panels 100 constitutes the inner face of the walls of the basin.
  • a material of the type concrete is poured into the hollow column 2a of each modular panel 100.
  • the initial convex transverse curvature of the first face 1a of the main body 1 of the panel 100 makes it possible to compensate for at least part of the deformations occurring between the exit from the mold and the setting of the concrete, not only in the transverse direction but also, surprisingly , in the longitudinal direction.
  • the amplitude of the initial convex transverse curvature depends, among other things, on the dimensions of the panel but can be easily determined by making a reduced number of prototypes.
  • the first face after the concrete has dried is flat or substantially flat in the transverse and longitudinal directions.
  • substantially planar is meant a transverse and longitudinal curvature less than 1mm, advantageously less than 0.5mm.
  • the swimming pool according to the invention comprises walls formed from a plurality of modular panels 100: the interior faces of the walls thus have a deviation, with respect to their mean planes, of less than 1 mm.
  • the mean plane of an interior wall face can be defined by the plane passing through the 4 corners of the substantially rectangular shape of the interior face.
  • the deviation in the transverse direction as well as the deviation in the longitudinal direction of the inner face are less than 1mm.
  • the deviations are less than 0.5 mm.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Panels For Use In Building Construction (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Description

DOMAINE DE L'INVENTIONFIELD OF THE INVENTION

La présente invention se rattache au domaine des éléments de construction pour bassin et piscine. Elle concerne en particulier des panneaux modulaires destinés à former les parois verticales d'un bassin.The present invention relates to the field of construction elements for pools and swimming pools. It relates in particular to modular panels intended to form the vertical walls of a basin.

ARRIERE PLAN TECHNOLOGIQUE DE L'INVENTIONTECHNOLOGICAL BACKGROUND OF THE INVENTION

Il est connu de réaliser des parois de bassins au moyen de panneaux modulaires identiques assemblés les uns aux autres.It is known to produce basin walls by means of identical modular panels assembled together.

Les documents EP0382649 et FR2765909 décrivent des panneaux modulaires en matière plastique, de forme générale rectangulaire, dont la largeur (de l'ordre de quelques dizaines de cm) est réduite par rapport à la hauteur (de l'ordre de 120cm). Les panneaux comprennent un corps principal présentant une face intérieure constituant la paroi intérieure du bassin et une face extérieure munie d'un élément de renforcement vertical et creux, adapté pour recevoir du béton et pour former une colonne verticale de maintien de la structure (également appelée cheminée).The documents EP0382649 and FR2765909 describe modular plastic panels, generally rectangular in shape, whose width (of the order of a few tens of cm) is reduced relative to the height (of the order of 120cm). The panels comprise a main body having an inner face constituting the inner wall of the basin and an outer face provided with a vertical and hollow reinforcing element, suitable for receiving concrete and for forming a vertical column for holding the structure (also called fireplace).

Le corps principal de chaque panneau modulaire est conçu à partir de moules d'injection plastique présentant une face plane dans le sens de la largeur et de la longueur pour former la face intérieure du corps principal ; celle-ci est attendue plane après assemblage et banchage, pour assurer une bonne planéité de l'ensemble de la paroi intérieure du bassin.The main body of each modular panel is designed from plastic injection molds having a flat face in the width and length direction to form the inner face of the main body; this is expected to be flat after assembly and laying, to ensure good flatness of the entire interior wall of the basin.

Il a cependant été constaté que les faces intérieures des parois de bassin fabriquées avec des panneaux modulaires de l'état de l'art, en plastique, assemblés et banchés, présentaient des défauts de planéité. Une mauvaise planéité se traduit notamment par un effet d'ondulation de la paroi intérieure du bassin, effet visuel non qualitatif pour l'utilisateur final.However, it was found that the interior faces of the basin walls manufactured with state-of-the-art modular panels, made of plastic, assembled and fitted, had flatness defects. Poor flatness results in particular in a rippling effect on the interior wall of the basin, a non-qualitative visual effect for the end user.

OBJET DE L'INVENTIONOBJECT OF THE INVENTION

Un objet de l'invention est de proposer un panneau modulaire en matière plastique permettant d'obtenir une bonne planéité des parois intérieures du bassin.An object of the invention is to propose a modular plastic panel making it possible to obtain good flatness of the interior walls of the basin.

BREVE DESCRIPTION DE L'INVENTIONBRIEF DESCRIPTION OF THE INVENTION

L'invention concerne un panneau modulaire en matière plastique pour réaliser des parois de bassin, comprenant :

  • un corps principal de forme générale rectangulaire dont une première face est destinée à être orientée vers l'intérieur du bassin, les longueurs du corps principal définissant un plan de référence ;
  • un corps complémentaire apte à se fixer sur une deuxième face du corps principal et définissant une colonne creuse destinée à recevoir du béton ;
The invention relates to a modular plastic panel for making basin walls, comprising:
  • a main body of generally rectangular shape, a first face of which is intended to be oriented towards the interior of the basin, the lengths of the main body defining a reference plane;
  • a complementary body capable of being fixed on a second face of the main body and defining a hollow column intended to receive concrete;

Le panneau est remarquable en ce que la première face présente une courbure transversale convexe sur la largeur du corps principal dans un moule d'injection plastique, l'amplitude maximale de la courbure transversale par rapport au plan de référence étant choisie pour compenser tout ou partie de déformations, intervenant entre la sortie du moule et la prise du béton, dans les directions transversales et longitudinales.The panel is remarkable in that the first face has a convex transverse curvature over the width of the main body in a plastic injection mold, the maximum amplitude of the transverse curvature relative to the reference plane being chosen to compensate all or part deformations, occurring between the outlet of the mold and the setting of the concrete, in the transverse and longitudinal directions.

Le panneau modulaire selon l'invention permet l'obtention de parois intérieures de bassin présentant une bonne planéité du fait de la courbure transversale convexe initiale du corps principal du panneau, dont une première face formera une face intérieure des parois du bassin. En effet, la courbure transversale convexe initiale permet de compenser au moins en partie, les déformations intervenant entre la sortie du moule et la prise du béton, au niveau de la première face du corps principal, dans les directions tant transversales que longitudinales.The modular panel according to the invention makes it possible to obtain interior walls of basin having good flatness due to the initial convex transverse curvature of the main body of the panel, a first face of which will form an interior face of the walls of the basin. Indeed, the initial convex transverse curvature makes it possible to compensate at least in part, the deformations occurring between the exit from the mold and the setting of the concrete, at the level of the first face of the main body, in both transverse and longitudinal directions.

Selon des caractéristiques avantageuses de l'invention, prises seules ou en combinaison :

  • l'amplitude maximale de la courbure convexe est comprise entre 0,2% et 0,7% de la largeur du corps principal ;
  • la première face présente une courbure longitudinale nulle sur la longueur du corps principal dans le moule d'injection plastique ou immédiatement après son extraction du moule d'injection ;
  • le corps principal comporte des ailes périphériques longitudinales munies d'organes de fixation pour l'assemblage du panneau modulaire avec d'autres panneaux identiques ;
  • le corps principal comporte des moyens de verrouillage coopérant avec des moyens complémentaires inclus sur le corps complémentaire.
According to advantageous characteristics of the invention, taken alone or in combination:
  • the maximum amplitude of the convex curvature is between 0.2% and 0.7% of the width of the main body;
  • the first face has a zero longitudinal curvature along the length of the main body in the plastic injection mold or immediately after its extraction from the injection mold;
  • the main body comprises longitudinal peripheral wings provided with fixing members for assembling the modular panel with other identical panels;
  • the main body comprises locking means cooperating with complementary means included on the complementary body.

L'invention concerne également un bassin de piscine comprenant des parois formées d'une pluralité de panneaux modulaires tels que ci-dessus, les faces intérieures des parois présentant une déviation, par rapport à leurs plans moyens, inférieure à 1mm.The invention also relates to a swimming pool comprising walls formed of a plurality of modular panels as above, the interior faces of the walls having a deviation, with respect to their mean planes, of less than 1 mm.

BREVE DESCRIPTION DES DESSINSBRIEF DESCRIPTION OF THE DRAWINGS

D'autres caractéristiques et avantages de l'invention ressortiront de la description détaillée de l'invention qui va suivre en référence aux figures annexées sur lesquelles :

  • les figures 1a et 1b présentent respectivement une coupe transversale et une coupe longitudinale d'un panneau modulaire après banchage selon l'état de l'art ;
  • la figure 2 présente un corps principal de panneau modulaire conforme à l'invention ;
  • la figure 3 présente une vue en coupe transversale d'un corps principal de panneau modulaire conforme à l'invention ;
  • la figure 4 présente un corps principal et un corps complémentaire de panneau modulaire conforme à l'invention.
Other characteristics and advantages of the invention will emerge from the detailed description of the invention which will follow with reference to the appended figures in which:
  • the Figures 1a and 1b respectively present a cross section and a longitudinal section of a modular panel after layering according to the state of the art;
  • the figure 2 has a main body of a modular panel according to the invention;
  • the figure 3 presents a cross-sectional view of a main body of a modular panel according to the invention;
  • the figure 4 has a main body and a complementary body of modular panel according to the invention.

DESCRIPTION DETAILLEE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION

Dans la partie descriptive, les mêmes références sur les figures pourront être utilisées pour des éléments de même nature.In the descriptive part, the same references in the figures may be used for elements of the same nature.

Nous considérons ici des panneaux modulaires en matière plastique injectée, de forme sensiblement rectangulaire, présentant une longueur (selon l'axe z sur les figures) et une largeur (selon l'axe x sur les figures). La longueur du panneau définit la hauteur de la paroi de bassin issue de l'assemblage d'une pluralité de panneaux modulaires. La direction longitudinale est celle s'étendant le long de la longueur du panneau et la direction transversale est celle s'étendant le long de la largeur du panneau.We consider here modular panels of injected plastic, of substantially rectangular shape, having a length (along the z axis in the figures) and a width (along the x axis in the figures). The length of the panel defines the height of the basin wall resulting from the assembly of a plurality of modular panels. The longitudinal direction is that extending along the length of the panel and the transverse direction is that extending along the width of the panel.

Les panneaux modulaires considérés sont des panneaux à bancher, c'est-à-dire comprenant un compartiment longitudinal pour couler du béton. Ils comportent en outre une première face la correspondant à la face intérieure de la paroi du bassin.The modular panels considered are shuttering panels, that is to say comprising a longitudinal compartment for pouring concrete. They also have a first face corresponding to the inner face of the wall of the basin.

Le déposant a constaté que les faces intérieures des parois de bassin fabriquées avec des panneaux modulaires 10 de l'état de l'art, en plastique, assemblés et banchés, présentaient des ondulations. Ces déformations se traduisent par une courbure concave, c'est-à-dire formant un creux, au niveau de la première face la du panneau 10 correspondant à la face intérieure de la paroi. Les figures 1a et 1b illustrent par des vues respectivement en coupe transversale et en coupe longitudinale, le type de courbure observée. La première face 11 du panneau modulaire 10 de l'état de l'art est déformée selon une courbure concave (selon l'axe y sur les figures), tant dans la direction transversale (figure la) que dans la direction longitudinale (figure 1b).The applicant has noted that the interior faces of the basin walls made with modular panels 10 of the state of the art, made of plastic, assembled and fitted, have undulations. These deformations result in a concave curvature, that is to say forming a hollow, at the level of the first face 1a of the panel 10 corresponding to the interior face of the wall. The Figures 1a and 1b illustrate by views respectively in cross section and in longitudinal section, the type of curvature observed. The first face 11 of the modular panel 10 of the state of the art is deformed according to a concave curvature (along the axis y in the figures), both in the transverse direction (FIG. 1a) and in the longitudinal direction ( figure 1b ).

A titre d'exemple, partant d'une première face la plane, dans le moule d'injection plastique, d'un panneau modulaire 10 de longueur 1,2m et de largeur 0,25m, la courbure concave transversale de la première face la après banchage peut être de l'ordre de 1,5mm à 2mm et la courbure concave longitudinale peut être de l'ordre de 2mm à 5mm.For example, starting from a first face, the plane, in the plastic injection mold, of a modular panel 10 of length 1.2m and width 0.25m, the transverse concave curvature of the first face the after layering can be of the order of 1.5mm to 2mm and the longitudinal concave curvature can be of the order of 2mm to 5mm .

Le déposant a également constaté que l'ajout de nervures de renfort à l'arrière de la première face la, logique contre-mesure pour rigidifier la structure, n'était pas efficace pour éviter ces déformations.The applicant has also found that the addition of reinforcing ribs at the rear of the first face 1a, countermeasure logic to stiffen the structure, was not effective in preventing these deformations.

Après de multiples essais, le déposant a déterminé que le la première face la du panneau modulaire 10 était soumise à plusieurs sollicitations mécaniques induisant des déformations concaves et convexes successives, de diverses amplitudes, dans les directions transversale et longitudinale : une première déformation induisant une courbure concave s'opère après séchage du panneau en plastique injecté, typiquement 24h après la sortie de celui-ci du moule d'injection ; une deuxième déformation induisant une courbure convexe s'opère lors de l'introduction du béton dans le compartiment à bancher du panneau ; enfin, une troisième déformation, induisant une courbure concave s'opère au cours du séchage du béton du fait de la rétractation du béton qui chauffe sensiblement, rendant plus déformable la matière plastique du panneau 10.After multiple tests, the applicant has determined that the first face 1a of the modular panel 10 is subjected to several mechanical stresses inducing successive concave and convex deformations, of various amplitudes, in the transverse and longitudinal directions: a first deformation inducing a curvature concave takes place after drying of the injected plastic panel, typically 24 hours after its removal from the injection mold; a second deformation inducing a convex curvature takes place during the introduction of the concrete into the paneling compartment of the panel; finally, a third deformation, inducing a concave curvature, takes place during the drying of the concrete due to the shrinking of the concrete which heats up appreciably, making the plastic material of the panel 10 more deformable.

A partir de ces observations, le déposant a pu concevoir un panneau modulaire 100 en matière plastique permettant d'éliminer tout ou partie des ondulations observées sur les parois assemblées intérieures d'un bassin.From these observations, the depositor was able to design a modular panel 100 made of plastic material making it possible to eliminate all or part of the undulations observed on the interior assembled walls of a basin.

Le panneau modulaire 100 selon l'invention comprend un corps principal 1 de forme générale rectangulaire dont une première face la est destinée à être orientée vers l'intérieur du bassin (figure 2). Les longueurs L du corps principal 1 définissent la hauteur des parois du bassin. Dans la suite de la description, la direction longitudinale est celle s'étendant le long de la longueur L du corps principal 1 et la direction transversale est celle s'étendant le long de la largeur A du corps principal 1. A titre d'exemple, la longueur L pourra être comprise entre 1m et 1,5m ; la largeur A pourra être comprise entre 0,2 et 0,5m.The modular panel 100 according to the invention comprises a main body 1 of generally rectangular shape, a first face 1a of which is intended to be oriented towards the interior of the basin ( figure 2 ). The lengths L of the main body 1 define the height of the walls of the basin. In the following description, the longitudinal direction is that extending along the length L of the main body 1 and the transverse direction is that extending along the width A of the main body 1. By way of example , the length L may be between 1m and 1.5m; the width A may be between 0.2 and 0.5m.

Selon l'invention, la première face la du corps principal 1 présente une courbure transversale convexe sur l'ensemble de la largeur A du corps principal 1, dans le moule d'injection plastique ou immédiatement après son extraction du moule d'injection. Par convention, nous qualifierons d'« initiale » la courbure transversale convexe du corps principal 1 dans le moule d'injection ou immédiatement après son extraction du moule d'injection.According to the invention, the first face 1a of the main body 1 has a convex transverse curvature over the entire width A of the main body 1, in the plastic injection mold or immediately after its extraction from the injection mold. By convention, we will qualify as “initial” the convex transverse curvature of the main body 1 in the injection mold or immediately after its extraction from the injection mold.

En considérant un plan de référence P défini par les longueurs du corps principal 1, une forme convexe correspond à une courbure en dôme (par opposition à une courbure en creux) de la première face la, comme illustré sur la figure 3. L'amplitude maximale, notée Ci, de la courbure transversale convexe initiale du corps principal 1 correspond à la déviation entre le plan de référence P et un point central de la largeur A du corps principal 1. Cette amplitude maximale est choisie pour compenser tout ou partie d'une déformation engendrée lors la prise du béton. Avantageusement, l'amplitude maximale de la courbure convexe transversale initiale du corps principal 1 est comprise entre 0,2% et 0,7% de la largeur du corps principal 1. A titre d'exemple, pour un panneau modulaire 100 de longueur 1,2m et de largeur 0,25m, la courbure convexe transversale initiale du corps principal 1 est avantageusement de l'ordre de 1,2mm.Considering a reference plane P defined by the lengths of the main body 1, a convex shape corresponds to a domed curvature (as opposed to a hollow curvature) of the first face 1a, as illustrated in the figure 3 . The maximum amplitude, denoted C i , of the initial convex transverse curvature of the main body 1 corresponds to the deviation between the reference plane P and a central point of the width A of the main body 1. This maximum amplitude is chosen to compensate for all or part of a deformation generated when the concrete sets. Advantageously, the maximum amplitude of the initial transverse convex curvature of the main body 1 is between 0.2% and 0.7% of the width of the main body 1. For example, for a modular panel 100 of length 1 , 2m and 0.25m wide, the initial transverse convex curvature of the main body 1 is advantageously of the order of 1.2mm.

Avantageusement, la première face la du corps principal 1 présente une courbure longitudinale nulle ou très faible (typiquement inférieure à 0,4mm) sur l'ensemble de la longueur L du corps principal 1, dans le moule d'injection plastique.Advantageously, the first face 1a of the main body 1 has a zero or very small longitudinal curvature (typically less than 0.4 mm) over the entire length L of the main body 1, in the plastic injection mold.

Le corps principal 1 comporte avantageusement des ailes périphériques longitudinales 1c, c'est-à-dire s'étendant le long de ses longueurs L. Les ailes longitudinales 1c sont munies d'organes de fixation 1d qui permettront l'assemblage des panneaux modulaires 100 deux-à-deux (figure 3). Les organes de fixation 1d pourront par exemple être de type encliquetable ou compatible avec un système vis/écrou.The main body 1 advantageously comprises longitudinal peripheral wings 1c, that is to say extending along its lengths L. The longitudinal wings 1c are provided with fastening members 1d which will allow the assembly of the modular panels 100 two by two ( figure 3 ). The fastening members 1d may for example be of the snap-on type or compatible with a screw / nut system.

Avantageusement, les ailes périphériques longitudinales 1c sont également munies de moyens de centrage et d'étanchéité. Ils sont formés le long des deux ailes longitudinales 1c, par un profilé male le de section sensiblement triangulaire, et par un profilé femelle 1e' de section sensiblement triangulaire, complémentaire du profilé male le. De manière préférée, les profilés male le et femelle 1e' s'étendent sur toute la longueur (hauteur) des ailes périphériques longitudinales 1c.Advantageously, the longitudinal peripheral wings 1c are also provided with centering and sealing means. They are formed along the two longitudinal wings 1c, by a male profile 1c of substantially triangular section, and by a female profile 1e 'of substantially triangular section, complementary to the male profile. Preferably, the male and female sections 1e 'extend over the entire length (height) of the longitudinal peripheral wings 1c.

Le corps principal 1 comporte préférentiellement des nervures de renfort 1f sur une deuxième face 1b (figure 4). Elles pourront s'étendre sur toute sa longueur L. Elles pourront également former un maillage en s'étendant également sur tout ou partie de sa largeur A.The main body 1 preferably comprises reinforcing ribs 1f on a second face 1b ( figure 4 ). They can extend over its entire length L. They can also form a mesh by also extending over all or part of its width A.

Le panneau modulaire 100 comprend également un corps complémentaire 2 apte à se fixer sur la deuxième face 1b du corps principal 1 et définissant une colonne creuse 2a destinée à recevoir du béton (figure 4). Le corps principal 1 comporte ainsi avantageusement des moyens de verrouillage 1g coopérant avec des moyens complémentaires 2b inclus sur le corps complémentaire 2. A titre d'exemple, les moyens de verrouillage 1g peuvent consister en des ergots comprenant un épaulement en leurs extrémités libres. Les moyens complémentaires 2b consistent en des lumières étranglées. Les épaulements des ergots sont insérés en premier lieu dans la partie la plus large des lumières ; le corps complémentaire 2 est ensuite plaqué contre la deuxième face 1b du corps principal 1. Enfin, un mouvement longitudinal vers le bas du corps complémentaire 2 permet de caler les ergots dans les parties étranglées des lumières ; les épaulements des ergots, plus larges que les parties étranglées, permettent le verrouillage du corps complémentaire 2 sur le corps principal 1.The modular panel 100 also includes a complementary body 2 able to be fixed on the second face 1b of the main body 1 and defining a hollow column 2a intended to receive concrete ( figure 4 ). The main body 1 thus advantageously comprises locking means 1g cooperating with complementary means 2b included on the complementary body 2. By way of example, the locking means 1g can consist of lugs comprising a shoulder at their free ends. The complementary means 2b consist of strangled lights. The shoulders of the pins are inserted first in the widest part of the lights; the complementary body 2 is then pressed against the second face 1b of the main body 1. Finally, a longitudinal downward movement of the complementary body 2 allows the pins to be wedged in the strangled parts of the slots; the shoulders of the lugs, wider than the choked parts, allow the complementary body 2 to be locked on the main body 1.

Le corps principal 1 et le corps complémentaire 2 sont en matière plastique et sont formés par injection et moulage d'une matière plastique thermodurcissable comme précédemment évoqué. A titre d'exemple, l'épaisseur du corps principal 1 dans la partie constituant ses première la et deuxième 1b faces est de l'ordre de 2 à 3 mm.The main body 1 and the complementary body 2 are made of plastic and are formed by injection and molding of a thermosetting plastic as previously mentioned. For example, the thickness of the main body 1 in the part constituting its first la and second 1b faces is of the order of 2 to 3 mm.

Pour fabriquer les parois d'un bassin, une pluralité de panneaux modulaires 100 peuvent être assemblés selon un contour fermé. L'ensemble des premières faces la des corps principaux 1 de la pluralité de panneaux 100 constitue la face intérieure des parois du bassin. Après cet assemblage, une matière de type béton est coulée dans la colonne creuse 2a de chaque panneau modulaire 100.To manufacture the walls of a basin, a plurality of modular panels 100 can be assembled according to a closed contour. The set of first faces 1a of main bodies 1 of the plurality of panels 100 constitutes the inner face of the walls of the basin. After this assembly, a material of the type concrete is poured into the hollow column 2a of each modular panel 100.

La courbure transversale convexe initiale de la première face la du corps principal 1 du panneau 100 permet de compenser au moins une partie des déformations intervenant entre la sortie du moule et la prise du béton, non seulement dans la direction transversale mais également, de façon surprenante, dans la direction longitudinale. L'amplitude de la courbure transversale convexe initiale est dépendante, entre autres, des dimensions du panneau mais peut être déterminée avec facilité en réalisant un nombre réduit de prototype.The initial convex transverse curvature of the first face 1a of the main body 1 of the panel 100 makes it possible to compensate for at least part of the deformations occurring between the exit from the mold and the setting of the concrete, not only in the transverse direction but also, surprisingly , in the longitudinal direction. The amplitude of the initial convex transverse curvature depends, among other things, on the dimensions of the panel but can be easily determined by making a reduced number of prototypes.

A titre d'exemple, partant d'une première face la de courbure transversale convexe initiale (dans le moule d'injection plastique) de 1,2mm et de courbure longitudinale initiale nulle, d'un panneau modulaire 100 de longueur 1,2m et de largeur 0,25m, la première face la après séchage du béton est plane ou sensiblement plane dans les directions transversale et longitudinale. Par sensiblement plane, on entend une courbure transversale et longitudinale inférieure à 1mm, avantageusement inférieure à 0,5mm.By way of example, starting from a first face of the initial convex transverse curvature (in the plastic injection mold) of 1.2 mm and of zero initial longitudinal curvature, of a modular panel 100 of length 1.2 m and 0.25m wide, the first face after the concrete has dried is flat or substantially flat in the transverse and longitudinal directions. By substantially planar is meant a transverse and longitudinal curvature less than 1mm, advantageously less than 0.5mm.

Le bassin de piscine selon l'invention comprend des parois formées d'une pluralité de panneaux modulaires 100 : les faces intérieures des parois présentent ainsi une déviation, par rapport à leurs plans moyens, inférieure à 1mm. Le plan moyen d'une face intérieure de paroi peut être défini par le plan passant pas les 4 coins de la forme sensiblement rectangulaire de la face intérieure. La déviation selon la direction transversale ainsi que la déviation selon la direction longitudinale de la face intérieure (correspondant à chaque première face la d'un corps principal 1 des panneaux modulaires 100 assemblés) sont inférieures à 1mm. Avantageusement, les déviations sont inférieures à 0,5mm.The swimming pool according to the invention comprises walls formed from a plurality of modular panels 100: the interior faces of the walls thus have a deviation, with respect to their mean planes, of less than 1 mm. The mean plane of an interior wall face can be defined by the plane passing through the 4 corners of the substantially rectangular shape of the interior face. The deviation in the transverse direction as well as the deviation in the longitudinal direction of the inner face (corresponding to each first face of a main body 1 of the modular panels 100 assembled) are less than 1mm. Advantageously, the deviations are less than 0.5 mm.

Bien entendu, l'invention n'est pas limitée aux modes de réalisation décrits et on peut y apporter des variantes de réalisation sans sortir du cadre de l'invention tel que défini par les revendications.Of course, the invention is not limited to the embodiments described and it is possible to make variant embodiments without departing from the scope of the invention as defined by the claims.

Claims (6)

  1. A modular panel (100) made of plastic material for manufacturing pool walls, comprising:
    • a generally rectangular main body (1) of which a first surface (1a) is intended for being oriented towards the inside of the pool, the lengths of the main body (1) defining a reference plane (P);
    • a complementary body (2) capable of being attached to a second surface (1b) of the main body (1) and defining a hollow column (2a) intended for receiving concrete;
    the panel (100) being characterised in that the first surface (1a) has an initial convex transverse curve on the width of the main body (1) in a plastic injection mould, the maximum amplitude of the transverse curve relative to the reference plane (P) being selected to compensate for all or part of the deformations that occur between the removal from the mould and the setting of the concrete, in the transverse and longitudinal directions.
  2. A modular panel (100) according to the preceding claim, wherein the maximum amplitude of the initial convex transverse curve ranges from 0.2 to 0.7% of the width of the main body (1).
  3. A modular panel (100) according to one of the preceding claims, wherein the first surface (1a) has a null initial longitudinal curve along the length of the main body (1), in the plastic injection mould or immediately after the removal thereof from the injection mould.
  4. A modular panel (100) according to one of the preceding claims, wherein the main body (1) comprises longitudinal peripheral wings (1c) provided with fastening members (1d) for assembling the modular panel (100) with other identical panels.
  5. A modular panel (100) according to one of the preceding claims, wherein the main body (1) comprises locking means (1g) which cooperate with complementary means (2b) included on the complementary body (2).
  6. A swimming pool comprising walls comprising a plurality of modular panels (100) according to one of the preceding claims, the inner faces of the walls having a deviation, with respect to their median planes, of less than 1mm.
EP17745409.7A 2016-07-01 2017-06-30 Modular panel for pool walls and corresponding pool Active EP3478907B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17745409T PL3478907T3 (en) 2016-07-01 2017-06-30 Modular panel for pool walls and corresponding pool

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1656311A FR3053372B1 (en) 2016-07-01 2016-07-01 MODULAR PANEL FOR BASIN WALLS
PCT/FR2017/051768 WO2018002552A1 (en) 2016-07-01 2017-06-30 Modular panel for pool walls and corresponding pool

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EP3478907A1 EP3478907A1 (en) 2019-05-08
EP3478907B1 true EP3478907B1 (en) 2020-04-29

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US (1) US10689871B2 (en)
EP (1) EP3478907B1 (en)
CN (1) CN109328252B (en)
AU (1) AU2017291427B2 (en)
BR (1) BR112018076164B1 (en)
CA (1) CA3028872A1 (en)
ES (1) ES2808872T3 (en)
FR (1) FR3053372B1 (en)
MX (1) MX2018015594A (en)
PL (1) PL3478907T3 (en)
PT (1) PT3478907T (en)
RU (1) RU2726682C1 (en)
SA (1) SA518400768B1 (en)
UA (1) UA122727C2 (en)
WO (1) WO2018002552A1 (en)

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US3479786A (en) * 1968-11-08 1969-11-25 George J Kreier Jr Method for making low cost large thin concrete panels in seamless reinforced plastic molds
SU478106A1 (en) * 1973-10-16 1975-07-25 Центральная Лаборатория Новых Видов Спасательной Техники При Центарльном Совете Всероссийского Общества Спасания На Водах Collapsible pool
US4093689A (en) * 1974-03-14 1978-06-06 Licencia Talalmanyokat Ertekesito Vallalat Process for producing reinforced concrete building units, especially floor panels having smooth surfaces and coffer-like inner holes, and formwork especially for carrying out the process
US4090266A (en) * 1975-12-19 1978-05-23 Price John W Swimming pool construction
FR2641811B1 (en) * 1989-01-09 1992-09-11 Desjoyaux Jean Louis PANEL FOR REALIZING SWIMMING POOLS IN PARTICULAR, AND MANUFACTURING METHOD THEREOF
US5074095A (en) * 1989-12-19 1991-12-24 Don Wilnau Pre-cast concrete panel and joist assembly and method of construction
US5184439A (en) * 1990-01-18 1993-02-09 Western Forms, Inc. Prestressed ligthweight panel
WO1992011428A1 (en) * 1990-12-19 1992-07-09 Wittler Waldemar E Interlocking structural members with edge connectors
FR2765909B1 (en) * 1997-07-09 1999-09-10 Piscines Desjoyaux Sa PANELS FOR THE PRODUCTION OF POOL POOLS
FR2818998B1 (en) * 2001-01-02 2005-03-11 Joel Queirel PROCESS FOR THE PRODUCTION OF CIVIL ENGINEERING WORKS, AND IN PARTICULAR POOLS OR WATER SUPPLY BASINS, AND MEANS FOR IMPLEMENTING IT
FR2829788B1 (en) * 2001-09-14 2006-02-10 Piscines Desjoyaux Sa MODULAR PANELS FOR THE PRODUCTION OF SWIMMING POOL
CN102251657B (en) * 2011-04-08 2013-04-17 重庆建工集团股份有限公司 Arching formwork erecting method for assembled framework beam plate
US20140208687A1 (en) * 2013-01-25 2014-07-31 Trojan Leisure Products, LLC Freeform pool

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CN109328252A (en) 2019-02-12
AU2017291427B2 (en) 2022-02-17
MX2018015594A (en) 2019-04-22
PL3478907T3 (en) 2020-11-02
PT3478907T (en) 2020-07-29
US10689871B2 (en) 2020-06-23
BR112018076164A8 (en) 2023-02-07
EP3478907A1 (en) 2019-05-08
BR112018076164A2 (en) 2019-03-26
ES2808872T3 (en) 2021-03-02
RU2726682C1 (en) 2020-07-15
CN109328252B (en) 2021-02-02
FR3053372B1 (en) 2018-07-13
WO2018002552A1 (en) 2018-01-04
BR112018076164B1 (en) 2023-04-25
UA122727C2 (en) 2020-12-28
FR3053372A1 (en) 2018-01-05
US20190218802A1 (en) 2019-07-18
AU2017291427A1 (en) 2019-01-03
SA518400768B1 (en) 2022-07-05
CA3028872A1 (en) 2018-01-04

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