EP3478907A1 - Modular panel for pool walls and corresponding pool - Google Patents

Modular panel for pool walls and corresponding pool

Info

Publication number
EP3478907A1
EP3478907A1 EP17745409.7A EP17745409A EP3478907A1 EP 3478907 A1 EP3478907 A1 EP 3478907A1 EP 17745409 A EP17745409 A EP 17745409A EP 3478907 A1 EP3478907 A1 EP 3478907A1
Authority
EP
European Patent Office
Prior art keywords
main body
face
panel
modular panel
modular
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17745409.7A
Other languages
German (de)
French (fr)
Other versions
EP3478907B1 (en
Inventor
Jean-Louis Desjoyaux
Jacky TRIPIER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Piscines Desjoyaux SA
Original Assignee
Piscines Desjoyaux SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Piscines Desjoyaux SA filed Critical Piscines Desjoyaux SA
Priority to PL17745409T priority Critical patent/PL3478907T3/en
Publication of EP3478907A1 publication Critical patent/EP3478907A1/en
Application granted granted Critical
Publication of EP3478907B1 publication Critical patent/EP3478907B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/0075—Swimming or splash baths or pools made of concrete
    • E04H4/0081—Swimming or splash baths or pools made of concrete with walls and floor cast in situ
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G9/05—Forming boards or similar elements the form surface being of plastics
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/10—Forming 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 building elements for pools and swimming pools. It relates in particular to modular panels for forming the vertical walls of a basin.
  • 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 reinforcement element, adapted to receive concrete and to form a vertical column for maintaining 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; it is expected flat after assembly and bunching, to ensure a good flatness of the entire inner wall of the basin.
  • An object of the invention is to provide a modular plastic panel to obtain a good flatness of the inner walls of the basin.
  • the invention relates to a modular plastic panel for producing basin walls, comprising:
  • 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 for all or part of of deformations, intervening between the exit of the mold and the catch of the concrete, in the transverse and longitudinal directions.
  • the modular panel according to the invention makes it possible to obtain inner basin walls 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 inner face of the walls of the basin.
  • the initial convex transverse curvature compensates at least in part, the deformations occurring between the exit of the mold and the setting of the concrete, at the first face of the main body, in both transverse and longitudinal directions.
  • 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 has longitudinal peripheral wings provided with fasteners for assembling the modular panel with other identical panels;
  • the main body comprises locking means cooperating with complementary means included on the complementary body.
  • the invention also relates to a swimming pool comprising walls formed of a plurality of modular panels such as above, the inner faces of the walls having a deviation, with respect to their mean planes, less than 1 mm.
  • FIGS. 1a and 1b respectively show a cross-section and a longitudinal section of a modular panel after bunching according to the state of the art
  • FIG. 2 shows a modular panel main body according to the invention
  • Figure 3 shows a cross-sectional view of a modular panel main body according to the invention
  • Figure 4 shows a main body and a modular panel complementary body according to one invention.
  • modular panels injected plastic, 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 pond 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 panels to bancher, that is to say comprising a longitudinal compartment for pouring concrete. They further comprise a first face corresponding to the inner face of the wall of the basin.
  • the transverse concave curvature of the first face after the bunching may be of the order of 1.5 mm to 2 mm and the longitudinal concave curvature may be of the order of 2 mm to 5 mm .
  • the modular panel 100 comprises a main body 1 of generally rectangular shape, a first face la is intended to be oriented towards the inside 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
  • the transverse direction is that extending along the width A of the main body 1.
  • the length L can be between 1m and 1.5m; the width A may be between 0.2 and 0.5m.
  • the first face 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 dome curvature (as opposed to a hollow curvature) of the first face la, as illustrated in FIG. maximum, Ci noted, 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 all or part of a deformation generated during the setting of the concrete.
  • 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 preferably of the order of 1.2mm.
  • the first face of the main body 1 has a longitudinal curvature of zero or very low (typically less than 0.4mm) 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 fasteners 1d which will allow the assembly of the modular panels 100 two-to-two ( Figure 3).
  • the fasteners 1d may for example be snap type or compatible with a screw / nut system.
  • the longitudinal peripheral wings are also provided with centering and sealing means. They are formed along the two longitudinal wings 1c, by a channel section of substantially triangular section, and by a female section section of substantially triangular section, complementary to the profile maie the.
  • the main body 1 preferably comprises reinforcing ribs 1f on a second face 1b (FIG. 4). They may extend over its entire length L. They may also form a mesh also extending over all or part of its width A.
  • the modular panel 100 also comprises a complementary body 2 adapted to be fixed on the second face lb of the main body 1 and defining a hollow column 2a for receiving concrete (Figure 4).
  • the main body 1 thus advantageously comprises locking means 1c cooperating with complementary means 2b included on the complementary body 2.
  • the locking means 1g may consist of lugs comprising a shoulder at their free ends.
  • the complementary means 2b consist of strangulated lights. The shoulders of the lugs are inserted first in the widest part of the lights; the complementary body 2 is then pressed against the second face lb of the main body 1. Finally, a longitudinal downward movement of the complementary body 2 can wedge the lugs in the constricted portions of the lights; the shoulders of the lugs, wider than the constricted parts, allow the locking of the complementary body 2 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 material as previously mentioned.
  • the thickness of the main body 1 in the portion constituting its first and second faces lb is of the order of 2 to 3 mm.
  • a plurality of modular panels 100 can be assembled in a closed contour.
  • the set of first faces of the main body 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 la 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 of 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 is dependent, among other things, on the dimensions of the panel but can be determined with ease by making a small number of prototypes.
  • the first face la after drying of the concrete is flat or substantially flat in the transverse and longitudinal directions.
  • substantially plane means a transverse and longitudinal curvature less than 1 mm, preferably less than 0.5 mm.
  • the pool basin according to the invention comprises walls formed of a plurality of modular panels 100: the inner faces of the walls thus have a deviation, with respect to their mean planes, of less than 1 mm.
  • the average plane of an inner wall face may be defined by the plane passing through the four corners of the substantially rectangular shape of the inner face.
  • the deflection in the transverse direction and the deflection in the longitudinal direction of the inner face are less than 1 mm.
  • the deviations are less than 0.5 mm.
  • the invention is not limited to the embodiments described and variants can be made without departing from the scope of the invention as defined by the claims.

Landscapes

  • 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)
  • Panels For Use In Building Construction (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Abstract

The invention relates to a modular panel 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 capable of being attached to a second surface (1b) of the main body (1) and defining a hollow column intended for receiving concrete; the panel 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.

Description

PANNEAU MODULAIRE POUR PAROIS DE BASSIN ET BASSIN CORRESPONDANT  MODULAR PANEL FOR BASIN WALLS AND CORRESPONDING BASIN
DOMAINE DE L' INVENTION  FIELD 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 building elements for pools and swimming pools. It relates in particular to modular panels for forming the vertical walls of a basin.
ARRIERE PLAN TECHNOLOGIQUE DE L' INVENTION 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 make basin walls by means of identical modular panels assembled to each other.
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) . Documents EP0382649 and FR2765909 describe modular plastic panels, of generally rectangular shape, the 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 reinforcement element, adapted to receive concrete and to form a vertical column for maintaining 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; it is expected flat after assembly and bunching, to ensure a good flatness of the entire inner 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. OBJET DE L' 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. However, it has been found that the inner faces of the basin walls made with modular panels of the state of the art, plastic, assembled and clad, had flatness defects. Poor flatness is reflected in particular by a rippling effect of the inner wall of the basin, a non-qualitative visual effect for the end user. OBJECT OF THE INVENTION An object of the invention is to provide a modular plastic panel to obtain a good flatness of the inner walls of the basin.
BREVE DESCRIPTION DE L' INVENTION BRIEF DESCRIPTION OF THE INVENTION
L' invention concerne un panneau modulaire en matière plastique pour réaliser des parois de bassin, comprenant : The invention relates to a modular plastic panel for producing basin walls, comprising:
• 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 ;  • a main body of rectangular overall shape, a first face is intended to be oriented towards the inside of the basin, the lengths of the main body defining a reference plane;
• un corps complémentaire apte à se fixer sur une deuxième face du corps principal et définissant une colonne creuse destinée à recevoir du béton ;  • a complementary body adapted to be fixed on a second face of the main body and defining a hollow column for receiving 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 for all or part of of deformations, intervening between the exit of the mold and the catch 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. Selon des caractéristiques avantageuses de l'invention, prises seules ou en combinaison : The modular panel according to the invention makes it possible to obtain inner basin walls 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 inner face of the walls of the basin. Indeed, the initial convex transverse curvature compensates at least in part, the deformations occurring between the exit of the mold and the setting of the concrete, at the first face of the main body, in both transverse and longitudinal directions. According to advantageous features of the invention, taken alone or in combination:
· l'amplitude maximale de la courbure convexe est comprise entre 0,2% et 0,7% de la largeur du corps principal ;  · The maximum amplitude of the convex curvature is between 0.2% and 0.7% of the width of the main body;
• 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 ;  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;
• le corps principal comporte des ailes périphériques longitudinales munies d' organes de fixation pour l'assemblage du panneau modulaire avec d'autres panneaux identiques ;  • the main body has longitudinal peripheral wings provided with fasteners for assembling the modular panel with other identical panels;
· le corps principal comporte des moyens de verrouillage coopérant avec des moyens complémentaires inclus sur le corps complémentaire.  · 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 such as above, the inner faces of the walls having a deviation, with respect to their mean planes, less than 1 mm.
BREVE DESCRIPTION DES DESSINS BRIEF 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 la et lb présentent respectivement une coupe transversale et une coupe longitudinale d'un panneau modulaire après banchage selon l'état de l'art ; 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: FIGS. 1a and 1b respectively show a cross-section and a longitudinal section of a modular panel after bunching according to the state of the art;
- la figure 2 présente un corps principal de panneau modulaire conforme à l'invention ;  - Figure 2 shows a modular panel main body according to the invention;
la figure 3 présente une vue en coupe transversale d'un corps principal de panneau modulaire conforme à 1 ' invention ; la figure 4 présente un corps principal et un corps complémentaire de panneau modulaire conforme à 1 ' invention . Figure 3 shows a cross-sectional view of a modular panel main body according to the invention; Figure 4 shows a main body and a modular panel complementary body according to one invention.
DESCRIPTION DETAILLEE DE L' INVENTION DETAILED 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 can 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 injected plastic, 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 pond 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 panels to bancher, that is to say comprising a longitudinal compartment for pouring concrete. They further comprise 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 la et lb 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 lb) . The Applicant has found that the inner faces of the basin walls made from modular, state-of-the-art plastic panels, assembled and clad, have corrugations. These deformations result in a concave curvature, that is to say forming a hollow, at the first face of the panel 10 corresponding to the inner face of the wall. Figures la and lb illustrate with 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 (Figure la) and in the longitudinal direction (Figure lb ).
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. By way of example, starting from a first face the plane, in the plastic injection mold, of a modular panel 10 1.2 m long and 0.25 m wide, the transverse concave curvature of the first face after the bunching may be of the order of 1.5 mm to 2 mm and the longitudinal concave curvature may be of the order of 2 mm to 5 mm .
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 reinforcement ribs at the rear of the first face the countermeasure logic to stiffen the structure, was not effective to prevent 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 several attempts, the applicant determined that the first face of the modular panel 10 was 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 the exit thereof from the injection mold; a second deformation inducing a convex curvature occurs during the introduction of the concrete in the panel of the bancher compartment; finally, a third deformation inducing a concave curvature takes place during the drying of the concrete due to the shrinkage of the concrete which heats substantially, 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 applicant was able to design a modular panel 100 of plastic material to eliminate all or part of the undulations observed on the inner 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 lm et 1,5m ; la largeur A pourra être comprise entre 0,2 et 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' inj ection . The modular panel 100 according to the invention comprises a main body 1 of generally rectangular shape, a first face la is intended to be oriented towards the inside of the basin (Figure 2). The lengths L of the main body 1 define the height of the walls of the basin. In the remainder of the 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. As an example the length L can be between 1m and 1.5m; the width A may be between 0.2 and 0.5m. According to the invention, the first face 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 describe 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 dome curvature (as opposed to a hollow curvature) of the first face la, as illustrated in FIG. maximum, Ci noted, 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 all or part of a deformation generated during the setting of the concrete. 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 width 0.25m, the initial transverse convex curvature of the main body 1 is preferably 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 of the main body 1 has a longitudinal curvature of zero or very low (typically less than 0.4mm) 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 le, c'est-à-dire s' étendant le long de ses longueurs L. Les ailes longitudinales le sont munies d'organes de fixation ld qui permettront l'assemblage des panneaux modulaires 100 deux-à-deux (figure 3) . Les organes de fixation ld 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 fasteners 1d which will allow the assembly of the modular panels 100 two-to-two (Figure 3). The fasteners 1d may for example be snap type or compatible with a screw / nut system.
Avantageusement, les ailes périphériques longitudinales le sont également munies de moyens de centrage et d' étanchéité . Ils sont formés le long des deux ailes longitudinales le, par un profilé maie le de section sensiblement triangulaire, et par un profilé femelle le' de section sensiblement triangulaire, complémentaire du profilé maie le. De manière préférée, les profilés maie le et femelle le' s'étendent sur toute la longueur (hauteur) des ailes périphériques longitudinales le. Le corps principal 1 comporte préférentiellement des nervures de renfort lf sur une deuxième face lb (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. Advantageously, the longitudinal peripheral wings are also provided with centering and sealing means. They are formed along the two longitudinal wings 1c, by a channel section of substantially triangular section, and by a female section section of substantially triangular section, complementary to the profile maie the. Preferably, the male and female profiles 1 'extend over the entire length (height) of the longitudinal peripheral wings 1a. The main body 1 preferably comprises reinforcing ribs 1f on a second face 1b (FIG. 4). They may extend over its entire length L. They may also form a mesh 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 lb 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 lg coopérant avec des moyens complémentaires 2b inclus sur le corps complémentaire 2. A titre d'exemple, les moyens de verrouillage lg 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 lb 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 comprises a complementary body 2 adapted to be fixed on the second face lb of the main body 1 and defining a hollow column 2a for receiving concrete (Figure 4). The main body 1 thus advantageously comprises locking means 1c cooperating with complementary means 2b included on the complementary body 2. By way of example, the locking means 1g may consist of lugs comprising a shoulder at their free ends. The complementary means 2b consist of strangulated lights. The shoulders of the lugs are inserted first in the widest part of the lights; the complementary body 2 is then pressed against the second face lb of the main body 1. Finally, a longitudinal downward movement of the complementary body 2 can wedge the lugs in the constricted portions of the lights; the shoulders of the lugs, wider than the constricted parts, allow the locking of the complementary body 2 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 lb 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 material as previously mentioned. For example, the thickness of the main body 1 in the portion constituting its first and second faces lb 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 in a closed contour. The set of first faces of the main body 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 la 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 of 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 is dependent, among other things, on the dimensions of the panel but can be determined with ease by making a small 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 1c of initial convex transverse curvature (in the plastic injection mold) of 1.2mm and zero initial longitudinal curvature, of a modular panel 100 of length 1.2m and width 0.25m, the first face la after drying of the concrete is flat or substantially flat in the transverse and longitudinal directions. By substantially plane means a transverse and longitudinal curvature less than 1 mm, preferably less than 0.5 mm.
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. 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. The pool basin according to the invention comprises walls formed of a plurality of modular panels 100: the inner faces of the walls thus have a deviation, with respect to their mean planes, of less than 1 mm. The average plane of an inner wall face may be defined by the plane passing through the four corners of the substantially rectangular shape of the inner face. The deflection in the transverse direction and the deflection in the longitudinal direction of the inner face (corresponding to each first face la of a main body 1 of the modular panels 100 assembled) are less than 1 mm. Advantageously, the deviations are less than 0.5 mm. Of course, the invention is not limited to the embodiments described and variants can be made without departing from the scope of the invention as defined by the claims.

Claims

REVENDICATIONS
Panneau modulaire (100) en matière plastique pour réaliser des parois de bassin, comprenant : Modular panel (100) of plastic material for making basin walls, comprising:
• un corps principal (1) de forme générale rectangulaire dont une première face (la) est destinée à être orientée vers l'intérieur du bassin, les longueurs du corps principal (1) définissant un plan de référence (P) ;  • a main body (1) of generally rectangular shape, a first face (la) is intended to be oriented towards the inside of the basin, the lengths of the main body (1) defining a reference plane (P);
• un corps complémentaire (2) apte à se fixer sur une deuxième face (lb) du corps principal (1) et définissant une colonne creuse (2a) destinée à recevoir du béton ;  • a complementary body (2) adapted to be fixed on a second face (lb) of the main body (1) and defining a hollow column (2a) for receiving concrete;
le panneau (100) étant caractérisé en ce que la première face (la) présente une courbure transversale convexe initiale sur la largeur du corps principal (1) dans un moule d'injection plastique, l'amplitude maximale de la courbure transversale par rapport au plan de référence (P) 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 (100) being characterized in that the first face (1a) has an initial convex transverse curvature over the width of the main body (1) in a plastic injection mold, the maximum amplitude of the transverse curvature with respect to the reference plane (P) being chosen to compensate for all or part of the deformations occurring between the exit of the mold and the setting of the concrete, in the transverse and longitudinal directions.
Panneau modulaire (100) selon la revendication précédente, dans lequel l'amplitude maximale de la courbure transversale convexe initiale est comprise entre 0,2% et 0,7% de la largeur du corps principal (1) . Modular panel (100) according to the preceding claim, wherein the maximum amplitude of the initial convex transverse curvature is between 0.2% and 0.7% of the width of the main body (1).
Panneau modulaire (100) selon l'une des revendications précédentes, dans lequel la première face (la) présente une courbure longitudinale initiale nulle sur la longueur du corps principal (1), dans le moule d'injection plastique ou immédiatement après son extraction du moule d'injection. Modular panel (100) according to one of the preceding claims, wherein the first face (la) has an initial longitudinal curvature zero along the length of the main body (1), in the plastic injection mold or immediately after its extraction from the injection mold.
Panneau modulaire (100) selon l'une des revendications précédentes, dans lequel le corps principal (1) comporte des ailes périphériques longitudinales (le) munies d'organes de fixation (ld) pour l'assemblage du panneau modulaire (100) avec d'autres panneaux identiques. Modular panel (100) according to one of the preceding claims, wherein the main body (1) comprises longitudinal peripheral wings (1c) provided with fasteners (ld) for assembling the modular panel (100) with other identical panels.
5. Panneau modulaire (100) selon l'une des revendications précédentes, dans lequel le corps principal (1) comporte des moyens de verrouillage (lg) coopérant avec des moyens complémentaires (2b) inclus sur le corps complémentaire (2) . 5. Modular panel (100) according to one of the preceding claims, wherein the main body (1) comprises locking means (lg) cooperating with complementary means (2b) included on the complementary body (2).
Bassin de piscine comprenant des parois formées d'une pluralité de panneaux modulaires (100) selon l'une des revendications précédentes, les faces intérieures des parois présentant une déviation, par rapport à leurs plans moyens, inférieure à 1mm. Pool pool comprising walls formed of a plurality of modular panels (100) according to one of the preceding claims, the inner faces of the walls having a deviation, relative to their mean planes, 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)

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Applications Claiming Priority (2)

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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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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)
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US2873505A (en) * 1954-11-26 1959-02-17 Sheldon Arnold Method for pouring concrete structures
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
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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
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CA2098275A1 (en) * 1990-12-19 1992-06-20 Waldemar E. Wittler Interlocking structural members with edge connectors
FR2765909B1 (en) * 1997-07-09 1999-09-10 Piscines Desjoyaux Sa PANELS FOR THE PRODUCTION OF POOL POOLS
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US20140208687A1 (en) * 2013-01-25 2014-07-31 Trojan Leisure Products, LLC Freeform pool

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SA518400768B1 (en) 2022-07-05
BR112018076164A8 (en) 2023-02-07
MX2018015594A (en) 2019-04-22
CN109328252B (en) 2021-02-02
FR3053372A1 (en) 2018-01-05
UA122727C2 (en) 2020-12-28
RU2726682C1 (en) 2020-07-15
ES2808872T3 (en) 2021-03-02
FR3053372B1 (en) 2018-07-13
PT3478907T (en) 2020-07-29
BR112018076164B1 (en) 2023-04-25
CN109328252A (en) 2019-02-12
EP3478907B1 (en) 2020-04-29
AU2017291427A1 (en) 2019-01-03
BR112018076164A2 (en) 2019-03-26
US20190218802A1 (en) 2019-07-18
AU2017291427B2 (en) 2022-02-17
PL3478907T3 (en) 2020-11-02
US10689871B2 (en) 2020-06-23
CA3028872A1 (en) 2018-01-04
WO2018002552A1 (en) 2018-01-04

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