EP2902555B1 - Connecting part of a rainwater drainage line, inspection gallery for rainwater drainage lines and drainage assembly comprising said inspection gallery - Google Patents

Connecting part of a rainwater drainage line, inspection gallery for rainwater drainage lines and drainage assembly comprising said inspection gallery Download PDF

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Publication number
EP2902555B1
EP2902555B1 EP15152727.2A EP15152727A EP2902555B1 EP 2902555 B1 EP2902555 B1 EP 2902555B1 EP 15152727 A EP15152727 A EP 15152727A EP 2902555 B1 EP2902555 B1 EP 2902555B1
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EP
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Prior art keywords
dormer
longitudinal body
connecting piece
longitudinal
base
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EP15152727.2A
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German (de)
French (fr)
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EP2902555A1 (en
Inventor
Nicolas Costil
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Costil Imex
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Costil Imex
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
    • E03F1/002—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
    • E03F1/003—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells via underground elongated vaulted elements

Definitions

  • the present invention relates to the field of rainwater drainage and relates in particular to a connection piece on a rainwater drainage line, a visit gallery for a rainwater drainage line comprising said connecting piece and a drainage assembly comprising said access gallery connected to rainwater drainage lines.
  • Rainwater drainage chambers are known and are used to quickly install a storm water management system, such as a retention system or rainwater infiltration into the soil.
  • These rainwater drainage chambers generally have a longitudinal arch-shaped body in cross section, ribs being formed on the outer surface of said chambers, in particular at the ends in the longitudinal direction of said chambers, in order to be able to fit them together. others by their ends to form a drainage line of rainwater.
  • Rainwater management systems now often include several parallel drainage lines, forming a network with a viewing gallery extending to one end of the drainage line network, with the viewing gallery extending perpendicular to the drainage lines, to check the condition of the various drainage lines and, if necessary, carry out maintenance operations on them.
  • the galleries are made of concrete. They therefore have a significant cost of realization and require a significant time for their realization.
  • being made of concrete their dimensions are reduced as much as possible to reduce costs, which implies that it is not easy for a person to move inside to check the status of the various lines drainage and possibly intervene on them.
  • the connecting piece disclosed in the application US2004 / 0184884 A1 does not allow connection to the end of a drainage line, because the connection piece disclosed in the application US2004 / 0184884 A1 is intended to fit into a drainage line and therefore has the overall dimensions of a drainage chamber used in the drainage line.
  • the opening formed by a side skylight in the connecting piece disclosed in the US patent application US2004 / 0184884 A1 has dimensions that are too small to connect to the end of a drainage line.
  • the Applicant Company has found that the simple enlargement homothetic of the connecting part disclosed in the patent application US2004 / 0184884 A1 so that the dimensions of the skylight match the dimensions of a drainage chamber to allow a connection of the skylight at one end of a drainage line did not allow sufficient strength of the connecting piece, which must be able to support heavy weights, the drainage lines and the corresponding galleries being most often buried, for example under roads.
  • the Applicant Company has designed a plastic connecting piece, of sufficient size for the easy passage of a person carrying out monitoring or maintenance operations, easily routable to the place where the rainwater management system is located. to be installed, having an opening dimension sufficient to mate directly on the end face of a drainage line, quickly posed by mating / interlocking with the end of a drainage line, and nested with other identical connecting parts in line to form a gallery of drainage lines.
  • the connecting piece of the invention makes it possible to do without concrete to make a gallery, which results in significant savings of materials and installation time of the rainwater management system with gallery lines visit drainage.
  • the subject of the present invention is therefore a connecting piece on the end of a rainwater drainage line, characterized in that it comprises an arcuate longitudinal body resting on a base plane, said longitudinal body being open at both ends in the longitudinal direction, a skylight also in the form of an arch and also resting on the base plane being formed projecting from the side wall of the longitudinal body towards the outside thereof, the skylight having a height from the base plane less than that of the longitudinal body, the end face of said skylight being open, parallel to the longitudinal plane perpendicular to the base plane containing the edge of the longitudinal body, and carrying a coupling means for sealing the dormer on the end of the rainwater drainage line, reinforcement ribs being formed on the longitudinal body, ribs extending on the outer face of the longitudinal body, perpendicular to the longitudinal plane perpendicular to the base plane containing the edge of the longitudinal body, these ribs arriving on the skylight extending on the outer face of the skylight.
  • the crest line of an arched form (longitudinal body or skylight) is called here.
  • the coupling means is advantageously constituted by a bead, extending over all or part of the end face of the dormer.
  • the basic plane is fictitious and corresponds to the lower face of the connection piece, this lower face being completely open.
  • the fact that the longitudinal body and the dormer both rest on the base plane means that their bases are in the same plane.
  • the base plane height - edge of the longitudinal body is between 80 and 120 cm, and is preferably 90 cm.
  • the width of the longitudinal body, measured in the base plane, is between 120 and 260 cm, and is preferably 220 cm.
  • the base plane height - edge of the dormer is between 40 and 120 cm, and is preferably 90 cm.
  • the width of the skylight, measured in the base plane, is between 100 and 200 cm, and is preferably 150 cm.
  • the skylight can extend perpendicular to the longitudinal direction of the longitudinal body, and is preferably centered between the two ends (in the longitudinal direction) of the longitudinal body, on the wall of the longitudinal body on which it is formed.
  • the ribs formed on the longitudinal body make it possible to increase its resistance, their extension on the dormer making it possible to transfer on the arched form of the dormer part of the forces applying on the longitudinal body, which contributes to the solidity and the resistance of the overall connection piece.
  • the coupling means formed on the end face of the dormer is advantageously complementary to a rib formed on an end face of a drainage chamber, to allow interlocking.
  • an end coupling means is formed on the edge of each end face of the arcuate longitudinal body, one of the end coupling means having a shape complementary to the other end coupling means to allow sealing of two identical connecting pieces by coupling of the two ends. end coupling means of said two connecting pieces.
  • the end coupling means are advantageously beads, formed on all or part of the peripheries of the end faces of the longitudinal body, one of the beads having dimensions allowing an interlocking on the other bead to form a line of connecting pieces side by side.
  • the width of the skylight at its base is between 60% and 90%, preferably about 80%, of the length in the longitudinal direction of the longitudinal body.
  • Gripping rings may be formed on the outer wall of the longitudinal body and / or the dormer. It is thus easier to manipulate the connection piece, for example with a crane, for transport and / or installation.
  • the connecting piece can be made of plastic, preferably high density polyethylene (HDPE), and be formed by rotational molding.
  • HDPE high density polyethylene
  • the identical connecting pieces thus formed by rotational molding can easily be stacked on top of each other in order to minimize space requirements for storage and / or transport.
  • the subject of the invention is also a gallery for the inspection of parallel rainwater drainage lines, characterized in that it comprises connecting pieces as defined above, contiguous or, where appropriate, sealingly coupled to each other. their end coupling means, the skylight of each of the connecting pieces being connected by coupling the coupling means of the end face of the skylight to one of the drainage lines.
  • the inspection gallery may further comprise, under each connecting piece, a sludge having a longitudinal body having a substantially rectangular base from the longitudinal edges of which extend by flaring out two side walls, symmetrically. relative to the average longitudinal plane of the base, a flange parallel to the base extending from the edges of the side walls opposite the edges connected to the base, the flanges extending outwardly of the scrubber.
  • the scrubber advantageously has the same length as the longitudinal body of the connecting piece, and a depth, measured between the plane of the base and the plane of the flanges, between 50 and 90 cm, preferably 70 cm.
  • the large height of the connecting piece associated with the depth of the dewormer, allow the passage in the gallery of a person standing substantially, facilitating the monitoring and maintenance of the drainage lines.
  • Splines may be formed on the outer surface of the sidewalls of the scrubber, said flutes extending from the edge of the respective sidewall bonded to the base to that on which the flange, therefore extending perpendicular to the average longitudinal plane of the base.
  • the inspection gallery may furthermore comprise, at each end, a plug for closing the open face of the corresponding connection piece, the plug having reinforcement ribs on its external face.
  • the plug supports the forces exerted on the connecting piece at each end of the gallery.
  • the invention also relates to a rainwater drainage assembly, comprising a plurality of parallel rainwater drainage lines, at one end of which is formed a viewing gallery as defined above, the skylight of each connecting piece being coupled to the end of one of the drainage lines.
  • the visit gallery according to the invention can therefore be with or without a stripper.
  • the connecting piece 1 comprises an arcuate longitudinal body 2, and a skylight 3 extending from the side wall of the longitudinal body 2, in a direction orthogonal to the longitudinal axis of the longitudinal body 2.
  • the longitudinal body 2 has an open base face, constituting the base plane from which extend both the longitudinal body 2 and the dormer 3, the dormer 3 having a height (measured between the base plane and the top edge of skylight 3) less than the height of the longitudinal body 2 (measured between the base plane and the edge of the longitudinal body 2).
  • the dimensions of the open face of the dormer 3 substantially correspond to the cross-sectional dimensions of a drainage chamber, to allow a skylight / drainage chamber coupling.
  • each end face of the longitudinal body 2 is formed a bead, respectively 4, 5, the bead 4 being wider than the bead 5 to allow interlocking of the bead 4 of a connecting piece 1 on the bead 5 d ' another connecting piece 1, to form a line for forming a gallery, as will be indicated below.
  • ribs 6 are formed on the outer wall of the longitudinal body 2, the ribs 6 extending perpendicularly to a mean longitudinal plane of the longitudinal body 2 comprising its edge.
  • the ribs 6 extend from one longitudinal edge to the other of the longitudinal body 2, outside the dormer 3, the ribs 6 arriving on the dormer 3 extending on the outer wall of the dormer 3 by ribs 6a, aligned with the ribs 6.
  • Some of the ribs 6a may have a longer side wall 6b, to take account of the arcuate character of the external surface of the dormer 3.
  • One or more other ribs 7 (only one represented on the Figures 1 and 2 ), parallel to the end face of the dormer 3, can extend perpendicularly to the ribs 6a, on the outer face of the dormer 3.
  • the ribs 6, 6a and 7 make it possible to stiffen the structure of the connecting piece 1, allowing it on the one hand to withstand its own weight and on the other hand to withstand heavy loads above, for example when the workpiece Connection 1 is buried under a road.
  • a bead 8 is formed on the end face of the dormer 3, for interlocking with the end of a drainage line, as will be described with reference to the Figure 4 .
  • beads 4, 5 and 8 have been represented on the Figures 1 and 2 continuous, extending over the entire periphery of the end faces of the longitudinal body 2 and the skylight 3, a bead which does not extend over the entire periphery of the corresponding end face or which does not would not be continuous would also fall within the scope of the present invention.
  • the bead 5 furthermore has a lateral face 9, extending into an angled edge 9a, the lateral face 9 making it possible to ensure a good interlocking on the bead 5 of the bead 4 of another connecting piece 1, by guiding the bead 4 by the side face 9.
  • rings 10 are distributed on the outer surface of the longitudinal body 2 and / or skylight 3, allowing the handling of the connecting piece 1 including cables connected to a crane.
  • the connecting piece 1 according to the invention has the particularity of being stackable on other identical connecting pieces, facilitating their storage and transport.
  • the connecting piece 1 is preferably made of plastic, for example high density polyethylene (HDPE), and is formed by rotational molding.
  • HDPE high density polyethylene
  • the connecting piece 1 could also be formed of other plastics without departing from the scope of the present invention.
  • a plug 11 may be provided at one end of the connecting piece 1, the plug 11 being intended to support the forces acting on an end connecting piece 1 in a visit gallery.
  • the plug 11 is in the form of a quarter sphere, with a vertical surface 12 intended to mate with the flange 9a of the connecting piece 1 by a bead 12a, and a horizontal face 13, intended for to rest in use on a horizontal plane, in practice the ground, ribs 15 being provided on the lateral face joining the vertical surface 12 and the horizontal surface 13, said ribs 15 being intended to reinforce the structure of the plug 11 by transferring to the face horizontal 13 the forces exerted on the vertical face 12.
  • connecting piece There is on the connecting piece shown eight ribs, each having a width of about 16 cm.
  • the scrubber 16 comprises a substantially rectangular base surface 17, from which two side walls 18 extend, flaring out, each side wall 18 bearing on its longitudinal edge opposite the edge connected to the base surface 17 a flange, respectively 20, 21, extending outwardly of the scrubber 16 parallel to the base surface 17.
  • Flutes 22 are formed on the side walls 18, to stiffen the structure of the scrubber 16.
  • the longitudinal edges of the longitudinal body 2 are intended to come to rest on the flanges 20, 21 of the sludge 16 to form a gallery element, as will be described hereinafter with reference to FIG. Figure 4 .
  • the scrubber is made of plastic, for example high density polyethylene (HDPE), formed by rotational molding.
  • HDPE high density polyethylene
  • the scrubber 16 could also be formed in other plastics without departing from the scope of the present invention.
  • the rainwater management system 23 comprises several drainage lines 24, parallel and of the same length, each formed by interlocking elementary drainage chambers.
  • Each drainage line 24 comprises an open end 24a intended to fit with the bead 8 of the dormer 3 of a connecting piece 1.
  • the inspection gallery 28 is formed by digging a trench in which scrubbers 16 are aligned side by side. Then, on each stripper 16, a connection piece 1 is placed, the different connecting pieces 1 being interlocked with one another. intermediate their end beads 4, 5, to form a monobloc line, the gallery 28 being closed at one end by a plug 11 (shown schematically on the Figure 4 ), and at the other end by an inlet pipe 27 from the surface in the gallery 28.
  • Each drainage line 24 is then nested on the bead 8 of the dormer 3 of the corresponding connecting piece 1.
  • a gallery 28 is thus formed, said gallery 28 allowing a person 25 to inspect and possibly do maintenance work on a drainage line 24, by creating a sufficient internal height between the base of the desiccant 16 and the edge of the longitudinal body 2 (about 160 to 180 cm).
  • the rainwater is brought into the rainwater management system via a conduit 26, the water then being circulated in the drainage line 24 having the pipe 26 at its end, and to pass in the other lines drainage 24 via the sludge 16 of the gallery 28, allowing the passage to retain the sludge by gravity, so that little sludge pass through the other drainage lines 24, which reduces the frequency of cleaning drainage lines 24.

Description

La présente invention concerne le domaine du drainage des eaux pluviales et porte en particulier sur une pièce de raccordement sur une ligne de drainage d'eaux pluviales, une galerie de visite pour une ligne de drainage d'eaux pluviales comprenant ladite pièce de raccordement et un ensemble de drainage comprenant ladite galerie de visite raccordée à des lignes de drainage d'eaux pluviales.The present invention relates to the field of rainwater drainage and relates in particular to a connection piece on a rainwater drainage line, a visit gallery for a rainwater drainage line comprising said connecting piece and a drainage assembly comprising said access gallery connected to rainwater drainage lines.

On connaît les chambres de drainage des eaux pluviales, utilisées pour installer rapidement un système de gestion des eaux pluviales, de type système de rétention ou d'infiltration des eaux pluviales dans le sol.Rainwater drainage chambers are known and are used to quickly install a storm water management system, such as a retention system or rainwater infiltration into the soil.

Ces chambres de drainage des eaux pluviales ont généralement un corps longitudinal en forme d'arche en coupe transversale, des nervures étant formées sur la surface externe desdites chambres, notamment aux extrémités dans la direction longitudinale desdites chambres, afin de pouvoir les emboîter les unes sur les autres par leurs extrémités pour former une ligne de drainage des eaux pluviales.These rainwater drainage chambers generally have a longitudinal arch-shaped body in cross section, ribs being formed on the outer surface of said chambers, in particular at the ends in the longitudinal direction of said chambers, in order to be able to fit them together. others by their ends to form a drainage line of rainwater.

Les systèmes de gestion des eaux pluviales comprennent maintenant souvent plusieurs lignes de drainage parallèles, formant un réseau avec une galerie de visite s'étendant à une extrémité du réseau de lignes de drainage, la galerie de visite s'étendant perpendiculairement aux lignes de drainage, permettant de vérifier l'état des différentes lignes de drainage et de procéder le cas échéant à des opérations d'entretien sur celles-ci.Rainwater management systems now often include several parallel drainage lines, forming a network with a viewing gallery extending to one end of the drainage line network, with the viewing gallery extending perpendicular to the drainage lines, to check the condition of the various drainage lines and, if necessary, carry out maintenance operations on them.

A l'heure actuelle, les galeries de visite sont réalisées en béton. Elles ont donc un coût de réalisation important et demandent un temps important pour leur réalisation. En outre, étant réalisées en béton, leurs dimensions sont réduites le plus possible afin de diminuer les coûts, ce qui implique qu'il n'est pas aisé pour une personne de se déplacer à l'intérieur pour vérifier l'état des différentes lignes de drainage et éventuellement intervenir sur celles-ci.At present, the galleries are made of concrete. They therefore have a significant cost of realization and require a significant time for their realization. In addition, being made of concrete, their dimensions are reduced as much as possible to reduce costs, which implies that it is not easy for a person to move inside to check the status of the various lines drainage and possibly intervene on them.

Si l'on connaît, notamment de la demande de brevet américain US2004/0184884 A1 , une pièce de raccordement pour une ligne de drainage, celle-ci ne permet que de relier deux lignes de drainage entre elles, par une conduite de plus petites dimensions.If we know, especially of the US patent application US2004 / 0184884 A1 , a connecting piece for a drainage line, it only allows to connect two drainage lines between them, by a pipe of smaller dimensions.

Compte tenu des dimensions des chambres de drainage des eaux pluviales, ayant une hauteur base-sommet supérieure ou égale à 90 cm, la pièce de raccordement divulguée dans la demande US2004/0184884 A1 ne permet pas de se raccorder à l'extrémité d'une ligne de drainage, car la pièce de raccordement divulguée dans la demande US2004/0184884 A1 est destinée à s'insérer dans une ligne de drainage et a donc elle-même les dimensions globales d'une chambre de drainage utilisée dans la ligne de drainage. En conséquence, l'ouverture formée par une lucarne latérale dans la pièce de raccordement divulguée dans la demande de brevet américain US2004/0184884 A1 a des dimensions trop petites pour se raccorder à l'extrémité d'une ligne de drainage.Given the dimensions of the rainwater drainage chambers, having a base-to-top height greater than or equal to 90 cm, the connecting piece disclosed in the application US2004 / 0184884 A1 does not allow connection to the end of a drainage line, because the connection piece disclosed in the application US2004 / 0184884 A1 is intended to fit into a drainage line and therefore has the overall dimensions of a drainage chamber used in the drainage line. As a result, the opening formed by a side skylight in the connecting piece disclosed in the US patent application US2004 / 0184884 A1 has dimensions that are too small to connect to the end of a drainage line.

La Société demanderesse a constaté que le simple agrandissement homothétique de la pièce de raccordement divulguée dans la demande de brevet US2004/0184884 A1 pour que les dimensions de la lucarne correspondent aux dimensions d'une chambre de drainage pour permettre un raccordement de la lucarne à une extrémité d'une ligne de drainage ne permettait pas d'avoir une résistance suffisante de la pièce de raccordement, qui doit pouvoir supporter des poids importants, les lignes de drainage et les galeries de visite correspondantes étant le plus souvent enterrées, par exemple sous des routes.The Applicant Company has found that the simple enlargement homothetic of the connecting part disclosed in the patent application US2004 / 0184884 A1 so that the dimensions of the skylight match the dimensions of a drainage chamber to allow a connection of the skylight at one end of a drainage line did not allow sufficient strength of the connecting piece, which must be able to support heavy weights, the drainage lines and the corresponding galleries being most often buried, for example under roads.

Il existe donc un problème selon l'état antérieur de la technique selon lequel il n'existe pas de pièce de raccordement à l'extrémité d'une ligne de drainage, ayant une dimension d'ouverture suffisante pour s'accoupler directement sur la face d'extrémité d'une ligne de drainage, suffisamment résistante pour pouvoir se passer du béton pour la réalisation d'une galerie de visite.There is therefore a problem according to the prior art that there is no connecting piece at the end of a drainage line, having an opening dimension sufficient to mate directly on the face. end of a drainage line, strong enough to be able to do without concrete for the realization of a gallery of visit.

La Société demanderesse a conçu une pièce de raccordement en matière plastique, ayant des dimensions suffisantes pour le passage facilité d'une personne procédant à des opérations de surveillance ou d'entretien, facilement acheminable sur le lieu où le système de gestion des eaux pluviales est à installer, ayant une dimension d'ouverture suffisante pour s'accoupler directement sur la face d'extrémité d'une ligne de drainage, rapidement posée par accouplement/emboîtement avec l'extrémité d'une ligne de drainage, et emboîtée avec d'autres pièces de raccordement identiques en ligne pour former une galerie de visite de lignes de drainage.The Applicant Company has designed a plastic connecting piece, of sufficient size for the easy passage of a person carrying out monitoring or maintenance operations, easily routable to the place where the rainwater management system is located. to be installed, having an opening dimension sufficient to mate directly on the end face of a drainage line, quickly posed by mating / interlocking with the end of a drainage line, and nested with other identical connecting parts in line to form a gallery of drainage lines.

La pièce de raccordement de l'invention permet de se passer de béton pour réaliser une galerie de visite, ce dont il résulte d'importantes économies de matériaux et de temps d'installation du système de gestion des eaux pluviales avec galerie de visite des lignes de drainage.The connecting piece of the invention makes it possible to do without concrete to make a gallery, which results in significant savings of materials and installation time of the rainwater management system with gallery lines visit drainage.

La présente invention a donc pour objet une pièce de raccordement sur l'extrémité d'une ligne de drainage d'eaux pluviales, caractérisée par le fait qu'elle comprend un corps longitudinal arqué s'appuyant sur un plan de base, ledit corps longitudinal étant ouvert à ses deux extrémités dans le sens longitudinal, une lucarne également en forme d'arche et s'appuyant également sur le plan de base étant formée en saillie de la paroi latérale du corps longitudinal vers l'extérieur de celui-ci, la lucarne ayant une hauteur à partir du plan de base inférieure à celle du corps longitudinal, la face d'extrémité de ladite lucarne étant ouverte, parallèle au plan longitudinal perpendiculaire au plan de base contenant l'arête du corps longitudinal, et portant un moyen d'accouplement permettant un accouplement étanche de la lucarne sur l'extrémité de la ligne de drainage des eaux pluviales, des nervures de renfort étant formées sur le corps longitudinal, les nervures s'étendant sur la face externe du corps longitudinal, perpendiculairement au plan longitudinal perpendiculaire au plan de base contenant l'arête du corps longitudinal, lesdites nervures arrivant sur la lucarne se prolongeant sur la face externe de la lucarne.The subject of the present invention is therefore a connecting piece on the end of a rainwater drainage line, characterized in that it comprises an arcuate longitudinal body resting on a base plane, said longitudinal body being open at both ends in the longitudinal direction, a skylight also in the form of an arch and also resting on the base plane being formed projecting from the side wall of the longitudinal body towards the outside thereof, the skylight having a height from the base plane less than that of the longitudinal body, the end face of said skylight being open, parallel to the longitudinal plane perpendicular to the base plane containing the edge of the longitudinal body, and carrying a coupling means for sealing the dormer on the end of the rainwater drainage line, reinforcement ribs being formed on the longitudinal body, ribs extending on the outer face of the longitudinal body, perpendicular to the longitudinal plane perpendicular to the base plane containing the edge of the longitudinal body, these ribs arriving on the skylight extending on the outer face of the skylight.

On appelle ici arête la ligne de crête d'une forme arquée (corps longitudinal ou lucarne).The crest line of an arched form (longitudinal body or skylight) is called here.

Le moyen d'accouplement est avantageusement constitué par un bourrelet, s'étendant sur tout ou partie de la face d'extrémité de la lucarne.The coupling means is advantageously constituted by a bead, extending over all or part of the end face of the dormer.

Le plan de base est fictif et correspond à la face inférieure de la pièce de raccordement, cette face inférieure étant complètement ouverte. Le fait que le corps longitudinal et la lucarne s'appuient tous les deux sur le plan de base signifie que leurs bases sont dans le même plan.The basic plane is fictitious and corresponds to the lower face of the connection piece, this lower face being completely open. The fact that the longitudinal body and the dormer both rest on the base plane means that their bases are in the same plane.

Avantageusement, la hauteur plan de base - arête du corps longitudinal est comprise entre 80 et 120 cm, et est de préférence de 90 cm.Advantageously, the base plane height - edge of the longitudinal body is between 80 and 120 cm, and is preferably 90 cm.

La largeur du corps longitudinal, mesurée dans le plan de base, est comprise entre 120 et 260 cm, et est de préférence de 220 cm.The width of the longitudinal body, measured in the base plane, is between 120 and 260 cm, and is preferably 220 cm.

Avantageusement, la hauteur plan de base - arête de la lucarne est comprise entre 40 et 120 cm, et est de préférence de 90 cm.Advantageously, the base plane height - edge of the dormer is between 40 and 120 cm, and is preferably 90 cm.

La largeur de la lucarne, mesurée dans le plan de base, est comprise entre 100 et 200 cm, et est de préférence de 150 cm.The width of the skylight, measured in the base plane, is between 100 and 200 cm, and is preferably 150 cm.

La lucarne peut s'étendre perpendiculairement à la direction longitudinale du corps longitudinal, et est de préférence centrée entre les deux extrémités (dans le sens longitudinal) du corps longitudinal, sur la paroi du corps longitudinal sur laquelle elle est formée.The skylight can extend perpendicular to the longitudinal direction of the longitudinal body, and is preferably centered between the two ends (in the longitudinal direction) of the longitudinal body, on the wall of the longitudinal body on which it is formed.

Des dimensions particulières respectives du corps et de la lucarne sont indiquées ici à titre d'exemple, et ces dimensions particulières ne sont pas limitatives. Les dimensions pourront être ajustées par l'homme du métier en fonction notamment de la dimension des chambres de drainage.Particular particular dimensions of the body and the skylight are indicated here by way of example, and these particular dimensions are not limiting. The dimensions may be adjusted by those skilled in the art depending in particular on the size of the drainage chambers.

Les nervures formées sur le corps longitudinal permettent d'augmenter sa résistance, leur prolongement sur la lucarne permettant de transférer sur la forme arquée de la lucarne une partie des forces s'appliquant sur le corps longitudinal, ce qui contribue à la solidité et à la résistance de la pièce de raccordement globale.The ribs formed on the longitudinal body make it possible to increase its resistance, their extension on the dormer making it possible to transfer on the arched form of the dormer part of the forces applying on the longitudinal body, which contributes to the solidity and the resistance of the overall connection piece.

Le moyen d'accouplement formé sur la face d'extrémité de la lucarne est avantageusement complémentaire d'une nervure formée sur une face d'extrémité d'une chambre de drainage, afin de permettre un emboîtement.The coupling means formed on the end face of the dormer is advantageously complementary to a rib formed on an end face of a drainage chamber, to allow interlocking.

Selon une caractéristique particulière, un moyen d'accouplement d'extrémité est formé sur le bord de chaque face d'extrémité du corps longitudinal arqué, l'un des moyens d'accouplement d'extrémité ayant une forme complémentaire de l'autre moyen d'accouplement d'extrémité afin de permettre un accouplement étanche de deux pièces de raccordement identiques par accouplement des moyens d'accouplement d'extrémité desdites deux pièces de raccordement.According to a particular feature, an end coupling means is formed on the edge of each end face of the arcuate longitudinal body, one of the end coupling means having a shape complementary to the other end coupling means to allow sealing of two identical connecting pieces by coupling of the two ends. end coupling means of said two connecting pieces.

Les moyens d'accouplement d'extrémité sont avantageusement des bourrelets, formés sur tout ou partie des pourtours des faces d'extrémité du corps longitudinal, l'un des bourrelets ayant des dimensions permettant un emboîtement sur l'autre bourrelet pour former une ligne de pièces de raccordement emboîtées côte à côté.The end coupling means are advantageously beads, formed on all or part of the peripheries of the end faces of the longitudinal body, one of the beads having dimensions allowing an interlocking on the other bead to form a line of connecting pieces side by side.

On peut ainsi aligner plusieurs pièces de raccordement selon l'invention, emboîtées par leurs extrémités, afin de former une galerie de visite.It is thus possible to align a plurality of connecting pieces according to the invention, nested by their ends, so as to form a gallery.

Selon une caractéristique particulière de l'invention, la largeur de la lucarne à sa base est comprise entre 60 % et 90 %, de préférence environ 80%, de la longueur dans la direction longitudinale du corps longitudinal.According to a particular feature of the invention, the width of the skylight at its base is between 60% and 90%, preferably about 80%, of the length in the longitudinal direction of the longitudinal body.

Des anneaux de préhension peuvent être formés sur la paroi externe du corps longitudinal et/ou de la lucarne. On peut ainsi plus facilement manipuler la pièce de raccordement, par exemple avec une grue, en vue de son transport et/ou de son installation.Gripping rings may be formed on the outer wall of the longitudinal body and / or the dormer. It is thus easier to manipulate the connection piece, for example with a crane, for transport and / or installation.

La pièce de raccordement peut être est en matière plastique, de préférence du polyéthylène haute densité (PEHD), et être formée par rotomoulage. Les pièces de raccordement identiques ainsi formées par rotomoulage peuvent facilement être empilées les unes sur les autres en vue de rendre minimal l'encombrement pour leur stockage et/ou leur transport.The connecting piece can be made of plastic, preferably high density polyethylene (HDPE), and be formed by rotational molding. The identical connecting pieces thus formed by rotational molding can easily be stacked on top of each other in order to minimize space requirements for storage and / or transport.

L'invention a également pour objet une galerie de visite de lignes de drainage d'eaux pluviales parallèles, caractérisée par le fait qu'elle comprend des pièces de raccordement telles que définies ci-dessus, accolées ou le cas échéant accouplées de manière étanche par leurs moyens d'accouplement d'extrémité, la lucarne de chacune des pièces de raccordement étant raccordée par accouplement du moyen d'accouplement de la face d'extrémité de la lucarne sur l'une des lignes de drainage.The subject of the invention is also a gallery for the inspection of parallel rainwater drainage lines, characterized in that it comprises connecting pieces as defined above, contiguous or, where appropriate, sealingly coupled to each other. their end coupling means, the skylight of each of the connecting pieces being connected by coupling the coupling means of the end face of the skylight to one of the drainage lines.

Selon une caractéristique particulière, la galerie de visite peut comprendre en outre, sous chaque pièce de raccordement, un débourbeur ayant un corps longitudinal ayant une base sensiblement rectangulaire à partir des bords longitudinaux de laquelle s'étendent en s'évasant deux parois latérales, symétriquement par rapport au plan longitudinal moyen de la base, un rebord parallèle à la base s'étendant à partir des bords des parois latérales opposés aux bords reliés à la base, les rebords s'étendant vers l'extérieur du débourbeur.According to a particular characteristic, the inspection gallery may further comprise, under each connecting piece, a sludge having a longitudinal body having a substantially rectangular base from the longitudinal edges of which extend by flaring out two side walls, symmetrically. relative to the average longitudinal plane of the base, a flange parallel to the base extending from the edges of the side walls opposite the edges connected to the base, the flanges extending outwardly of the scrubber.

Le débourbeur a avantageusement la même longueur que le corps longitudinal de la pièce de raccordement, et une profondeur, mesurée entre le plan de la base et le plan des rebords, comprise entre 50 et 90 cm, de préférence de 70 cm.The scrubber advantageously has the same length as the longitudinal body of the connecting piece, and a depth, measured between the plane of the base and the plane of the flanges, between 50 and 90 cm, preferably 70 cm.

La hauteur importante de la pièce de raccordement, associée à la profondeur du débourbeur, permettent le passage dans la galerie d'une personne sensiblement debout, facilitant la surveillance et l'entretien des lignes de drainage.The large height of the connecting piece, associated with the depth of the dewormer, allow the passage in the gallery of a person standing substantially, facilitating the monitoring and maintenance of the drainage lines.

Des cannelures peuvent être formées sur la surface externe des parois latérales du débourbeur, lesdites cannelures s'étendant du bord de la paroi latérale respective lié à la base à celui sur lequel est formé le rebord, donc s'étendant perpendiculairement au plan longitudinal moyen de la base.Splines may be formed on the outer surface of the sidewalls of the scrubber, said flutes extending from the edge of the respective sidewall bonded to the base to that on which the flange, therefore extending perpendicular to the average longitudinal plane of the base.

La galerie de visite peut comprendre en outre, à chaque extrémité, un bouchon de fermeture de la face ouverte de la pièce de raccordement correspondante, le bouchon présentant sur sa face externe des nervures de renfort.The inspection gallery may furthermore comprise, at each end, a plug for closing the open face of the corresponding connection piece, the plug having reinforcement ribs on its external face.

Le bouchon permet de supporter les forces qui s'exercent sur la pièce de raccordement à chaque extrémité de la galerie.The plug supports the forces exerted on the connecting piece at each end of the gallery.

L'invention a également pour objet un ensemble de drainage d'eaux pluviales, comprenant une pluralité de lignes de drainage d'eaux pluviales parallèles, à une extrémité desquelles est formée une galerie de visite telle que définie ci-dessus, la lucarne de chaque pièce de raccordement étant accouplée sur l'extrémité de l'une des lignes de drainage.The invention also relates to a rainwater drainage assembly, comprising a plurality of parallel rainwater drainage lines, at one end of which is formed a viewing gallery as defined above, the skylight of each connecting piece being coupled to the end of one of the drainage lines.

La galerie de visite selon l'invention peut donc être avec ou sans débourbeur.The visit gallery according to the invention can therefore be with or without a stripper.

Pour mieux illustrer l'objet de la présente invention, on va maintenant en décrire ci-après, à titre illustratif et non limitatif, un mode de réalisation particulier, en liaison avec les dessins annexés.To better illustrate the object of the present invention will now be described below, by way of illustration and not limited to, a particular embodiment, in conjunction with the accompanying drawings.

Sur ces dessins :

  • la Figure 1 est une vue en perspective d'une pièce de raccordement selon un mode de réalisation de l'invention ;
  • la Figure 2 est une autre vue en perspective de la pièce de raccordement de la Figure 1, sur un côté de laquelle est rapporté un bouchon ;
  • la Figure 3 est une vue en perspective d'un débourbeur, utilisé en association avec la pièce de raccordement des Figures 1 et 2 pour former une galerie de visite d'un système de gestion d'eaux pluviales ; et
  • la Figure 4 est une vue en perspective générale représentant un système de gestion des eaux pluviales comportant une galerie de visite selon l'invention.
On these drawings:
  • the Figure 1 is a perspective view of a connecting piece according to one embodiment of the invention;
  • the Figure 2 is another perspective view of the connecting piece of the Figure 1 on one side of which a plug is attached;
  • the Figure 3 is a perspective view of a scrubber, used in combination with the connecting piece of Figures 1 and 2 to form a visit gallery for a stormwater management system; and
  • the Figure 4 is a general perspective view showing a rainwater management system comprising a visit gallery according to the invention.

Si l'on se réfère aux Figures 1 et 2, on peut voir que l'on y a représenté une pièce de raccordement 1 selon un mode de réalisation de l'invention.If we refer to Figures 1 and 2 it can be seen that there is shown a connecting piece 1 according to one embodiment of the invention.

La pièce de raccordement 1 comprend un corps longitudinal arqué 2, et une lucarne 3 s'étendant depuis la paroi latérale du corps longitudinal 2, dans une direction orthogonale à l'axe longitudinal du corps longitudinal 2.The connecting piece 1 comprises an arcuate longitudinal body 2, and a skylight 3 extending from the side wall of the longitudinal body 2, in a direction orthogonal to the longitudinal axis of the longitudinal body 2.

Le corps longitudinal 2 a une face de base ouverte, constituant le plan de base à partir duquel s'étendent à la fois le corps longitudinal 2 et la lucarne 3, la lucarne 3 ayant une hauteur (mesurée entre le plan de base et l'arête supérieure de la lucarne 3) inférieure à la hauteur du corps longitudinal 2 (mesurée entre le plan de base et l'arête du corps longitudinal 2).The longitudinal body 2 has an open base face, constituting the base plane from which extend both the longitudinal body 2 and the dormer 3, the dormer 3 having a height (measured between the base plane and the top edge of skylight 3) less than the height of the longitudinal body 2 (measured between the base plane and the edge of the longitudinal body 2).

Les dimensions de la face ouverte de la lucarne 3 correspondent sensiblement aux dimensions en coupe transversale d'une chambre de drainage, pour permettre un accouplement lucarne/chambre de drainage.The dimensions of the open face of the dormer 3 substantially correspond to the cross-sectional dimensions of a drainage chamber, to allow a skylight / drainage chamber coupling.

Sur chaque face d'extrémité du corps longitudinal 2 est formé un bourrelet, respectivement 4, 5, le bourrelet 4 étant plus large que le bourrelet 5 pour permettre un emboîtement du bourrelet 4 d'une pièce de raccordement 1 sur le bourrelet 5 d'une autre pièce de raccordement 1, afin de former une ligne destinée à former une galerie de visite, comme cela sera indiqué ci-après.On each end face of the longitudinal body 2 is formed a bead, respectively 4, 5, the bead 4 being wider than the bead 5 to allow interlocking of the bead 4 of a connecting piece 1 on the bead 5 d ' another connecting piece 1, to form a line for forming a gallery, as will be indicated below.

En outre, des nervures 6 sont formées sur la paroi externe du corps longitudinal 2, les nervures 6 s'étendant perpendiculairement à un plan longitudinal moyen du corps longitudinal 2 comprenant son arête.In addition, ribs 6 are formed on the outer wall of the longitudinal body 2, the ribs 6 extending perpendicularly to a mean longitudinal plane of the longitudinal body 2 comprising its edge.

Les nervures 6 s'étendent d'un bord longitudinal à l'autre du corps longitudinal 2, en dehors de la lucarne 3, les nervures 6 arrivant sur la lucarne 3 se prolongeant sur la paroi externe de la lucarne 3 par des nervures 6a, alignées avec les nervures 6.The ribs 6 extend from one longitudinal edge to the other of the longitudinal body 2, outside the dormer 3, the ribs 6 arriving on the dormer 3 extending on the outer wall of the dormer 3 by ribs 6a, aligned with the ribs 6.

Certaines des nervures 6a peuvent présenter une paroi latérale 6b plus longue, pour tenir compte du caractère arqué de la surface externe de la lucarne 3.Some of the ribs 6a may have a longer side wall 6b, to take account of the arcuate character of the external surface of the dormer 3.

Une ou plusieurs autres nervures 7 (une seule représentée sur les Figures 1 et 2), parallèles à la face d'extrémité de la lucarne 3, peuvent s'étendre perpendiculairement aux nervures 6a, sur la face externe de la lucarne 3.One or more other ribs 7 (only one represented on the Figures 1 and 2 ), parallel to the end face of the dormer 3, can extend perpendicularly to the ribs 6a, on the outer face of the dormer 3.

Les nervures 6, 6a et 7 permettent de rigidifier la structure de la pièce de raccordement 1, lui permettant d'une part de résister à son propre poids et d'autre part de supporter des charges lourdes au-dessus, par exemple lorsque la pièce de raccordement 1 est enterrée sous une route.The ribs 6, 6a and 7 make it possible to stiffen the structure of the connecting piece 1, allowing it on the one hand to withstand its own weight and on the other hand to withstand heavy loads above, for example when the workpiece Connection 1 is buried under a road.

Le prolongement des nervures 6 par les nervures 6a sur la lucarne 3 permet de transférer sur la lucarne 3 la charge qui aurait normalement été supportée par la paroi latérale du corps longitudinal 2 s'il n'y avait pas eu de lucarne 3.The extension of the ribs 6 by the ribs 6a on the dormer 3 makes it possible to transfer the load that would normally have been supported by the lateral wall of the longitudinal body 2 to the dormer window 3 if there was no skylight 3.

Un bourrelet 8 est formé sur la face d'extrémité de la lucarne 3, pour un emboîtement avec l'extrémité d'une ligne de drainage, comme cela sera décrit en référence à la Figure 4.A bead 8 is formed on the end face of the dormer 3, for interlocking with the end of a drainage line, as will be described with reference to the Figure 4 .

Bien que les bourrelets 4, 5 et 8 aient été représentés sur les Figures 1 et 2 continus, s'étendant sur l'intégralité du pourtour des faces d'extrémité du corps longitudinal 2 et de la lucarne 3, un bourrelet qui ne s'étendrait pas sur l'intégralité du pourtour de la face d'extrémité correspondante ou qui ne serait pas continu entrerait également dans le cadre de la présente invention.Although the beads 4, 5 and 8 have been represented on the Figures 1 and 2 continuous, extending over the entire periphery of the end faces of the longitudinal body 2 and the skylight 3, a bead which does not extend over the entire periphery of the corresponding end face or which does not would not be continuous would also fall within the scope of the present invention.

Le bourrelet 5 présente en outre une face latérale 9, se prolongeant en un rebord en équerre 9a, la face latérale 9 permettant de garantir un bon emboîtement sur le bourrelet 5 du bourrelet 4 d'une autre pièce de raccordement 1, par guidage du bourrelet 4 par la face latérale 9.The bead 5 furthermore has a lateral face 9, extending into an angled edge 9a, the lateral face 9 making it possible to ensure a good interlocking on the bead 5 of the bead 4 of another connecting piece 1, by guiding the bead 4 by the side face 9.

Enfin, des anneaux 10 sont répartis sur la surface externe du corps longitudinal 2 et/ou de la lucarne 3, permettant la manipulation de la pièce de raccordement 1 notamment par des câbles reliés à une grue.Finally, rings 10 are distributed on the outer surface of the longitudinal body 2 and / or skylight 3, allowing the handling of the connecting piece 1 including cables connected to a crane.

La pièce de raccordement 1 selon l'invention présente la particularité d'être empilable sur d'autres pièces de raccordement identiques, facilitant leur stockage et leur transport.The connecting piece 1 according to the invention has the particularity of being stackable on other identical connecting pieces, facilitating their storage and transport.

La pièce de raccordement 1 est de préférence en matière plastique, par exemple du polyéthylène haute densité (PEHD), et est formée par rotomoulage.The connecting piece 1 is preferably made of plastic, for example high density polyethylene (HDPE), and is formed by rotational molding.

La pièce de raccordement 1 pourrait également être formée dans d'autres matières plastiques sans s'éloigner du cadre de la présente invention.The connecting piece 1 could also be formed of other plastics without departing from the scope of the present invention.

Comme on peut le voir sur la Figure 2, un bouchon 11 peut être prévu à une extrémité de la pièce de raccordement 1, le bouchon 11 étant destiné à supporter les forces s'exerçant sur une pièce de raccordement 1 d'extrémité dans une galerie de visite.As can be seen on the Figure 2 , a plug 11 may be provided at one end of the connecting piece 1, the plug 11 being intended to support the forces acting on an end connecting piece 1 in a visit gallery.

Le bouchon 11 selon le mode de réalisation représenté est en forme de quart de sphère, avec une surface verticale 12 destinée à s'accoupler avec le rebord 9a de la pièce de raccordement 1 par un bourrelet 12a, et une face horizontale 13, destinée à reposer en utilisation sur un plan horizontal, en pratique le sol, des nervures 15 étant prévues sur la face latérale joignant la surface verticale 12 et la surface horizontale 13, lesdites nervures 15 étant destinées à renforcer la structure du bouchon 11 en reportant sur la face horizontale 13 les forces s'exerçant sur la face verticale 12.The plug 11 according to the embodiment shown is in the form of a quarter sphere, with a vertical surface 12 intended to mate with the flange 9a of the connecting piece 1 by a bead 12a, and a horizontal face 13, intended for to rest in use on a horizontal plane, in practice the ground, ribs 15 being provided on the lateral face joining the vertical surface 12 and the horizontal surface 13, said ribs 15 being intended to reinforce the structure of the plug 11 by transferring to the face horizontal 13 the forces exerted on the vertical face 12.

Il y a sur la pièce de raccordement représentée huit nervures, chacune ayant une largeur d'environ 16 cm.There is on the connecting piece shown eight ribs, each having a width of about 16 cm.

Si l'on se réfère à la Figure 3, on peut voir que l'on y a représenté un débourbeur 16, destiné à être utilisé en combinaison avec une pièce de raccordement 1 pour former un élément de galerie de visite, comme cela sera décrit ci-après.If we refer to the Figure 3 it can be seen that there is shown a sludge 16, intended to be used in combination with a connecting piece 1 to form a gallery element, as will be described below.

Le débourbeur 16 comprend une surface de base 17 sensiblement rectangulaire, à partir de laquelle s'étendent en s'évasant deux parois latérales 18, chaque paroi latérale 18 portant sur son bord longitudinal opposé au bord lié à la surface de base 17 un rebord, respectivement 20, 21, s'étendant vers l'extérieur du débourbeur 16 parallèlement à la surface de base 17.The scrubber 16 comprises a substantially rectangular base surface 17, from which two side walls 18 extend, flaring out, each side wall 18 bearing on its longitudinal edge opposite the edge connected to the base surface 17 a flange, respectively 20, 21, extending outwardly of the scrubber 16 parallel to the base surface 17.

Des cannelures 22 sont formées sur les parois latérales 18, pour rigidifier la structure du débourbeur 16.Flutes 22 are formed on the side walls 18, to stiffen the structure of the scrubber 16.

En pratique, les bords longitudinaux du corps longitudinal 2 sont destinés à venir se poser sur les rebords 20, 21 du débourbeur 16 pour former un élément de galerie de visite, comme cela sera décrit ci-après en référence à la Figure 4.In practice, the longitudinal edges of the longitudinal body 2 are intended to come to rest on the flanges 20, 21 of the sludge 16 to form a gallery element, as will be described hereinafter with reference to FIG. Figure 4 .

Comme pour la pièce de raccordement, le débourbeur est en matière plastique, par exemple en polyéthylène haute densité (PEHD), formé par rotomoulage.As for the connecting piece, the scrubber is made of plastic, for example high density polyethylene (HDPE), formed by rotational molding.

Le débourbeur 16 pourrait également être formé dans d'autres matières plastiques sans s'éloigner du cadre de la présente invention.The scrubber 16 could also be formed in other plastics without departing from the scope of the present invention.

Si l'on se réfère à la Figure 4, on peut voir qu'il y est représenté un système de gestion d'eaux pluviales 23.If we refer to the Figure 4 it can be seen that there is a rainwater management system 23.

Le système de gestion d'eaux pluviales 23 comprend plusieurs lignes de drainage 24, parallèles et de même longueur, formées chacune par emboîtement de chambres de drainage élémentaires.The rainwater management system 23 comprises several drainage lines 24, parallel and of the same length, each formed by interlocking elementary drainage chambers.

Chaque ligne de drainage 24 comprend une extrémité ouverte 24a, destinée à s'emboîter avec le bourrelet 8 de la lucarne 3 d'une pièce de raccordement 1.Each drainage line 24 comprises an open end 24a intended to fit with the bead 8 of the dormer 3 of a connecting piece 1.

La galerie de visite 28 est formée par creusement d'une tranchée dans laquelle sont alignés côte à côte des débourbeurs 16. Ensuite, sur chaque débourbeur 16 est posée une pièce de raccordement 1, les différentes pièces de raccordement 1 étant emboîtées entre elles par l'intermédiaire de leurs bourrelets d'extrémité 4, 5, pour former une ligne monobloc, la galerie de visite 28 étant fermée à une extrémité par un bouchon 11 (représenté schématiquement sur la Figure 4), et à l'autre extrémité par une conduite d'arrivée 27 depuis la surface dans la galerie de visite 28.The inspection gallery 28 is formed by digging a trench in which scrubbers 16 are aligned side by side. Then, on each stripper 16, a connection piece 1 is placed, the different connecting pieces 1 being interlocked with one another. intermediate their end beads 4, 5, to form a monobloc line, the gallery 28 being closed at one end by a plug 11 (shown schematically on the Figure 4 ), and at the other end by an inlet pipe 27 from the surface in the gallery 28.

Chaque ligne de drainage 24 est ensuite emboîtée sur le bourrelet 8 de la lucarne 3 de la pièce de raccordement 1 correspondante.Each drainage line 24 is then nested on the bead 8 of the dormer 3 of the corresponding connecting piece 1.

Une galerie de visite 28 est ainsi formée, ladite galerie de visite 28 permettant à une personne 25 d'inspecter et éventuellement faire des travaux d'entretien sur une ligne de drainage 24, par création d'une hauteur interne suffisante entre la base du débourbeur 16 et l'arête du corps longitudinal 2 (environ 160 à 180 cm).A gallery 28 is thus formed, said gallery 28 allowing a person 25 to inspect and possibly do maintenance work on a drainage line 24, by creating a sufficient internal height between the base of the desiccant 16 and the edge of the longitudinal body 2 (about 160 to 180 cm).

En pratique, les eaux pluviales sont amenées dans le système de gestion des eaux pluviales par un conduit 26, l'eau étant ensuite amenée à circuler dans la ligne de drainage 24 ayant la conduite 26 à son extrémité, et à passer dans les autres lignes de drainage 24 par l'intermédiaire du débourbeur 16 de la galerie de visite 28, permettant au passage de retenir les boues par gravité, de telle sorte que peu de boues passent dans les autres lignes de drainage 24, ce qui diminue la fréquence de nettoyage des lignes de drainage 24.In practice, the rainwater is brought into the rainwater management system via a conduit 26, the water then being circulated in the drainage line 24 having the pipe 26 at its end, and to pass in the other lines drainage 24 via the sludge 16 of the gallery 28, allowing the passage to retain the sludge by gravity, so that little sludge pass through the other drainage lines 24, which reduces the frequency of cleaning drainage lines 24.

Claims (10)

  1. A piece (1) for connecting on the end of a drain line (24) for rainwater, comprising an arched longitudinal body (2) resting on a base plane, said longitudinal body (2) being open at both ends in the longitudinal direction, a dormer (3) also with an arc shape and also resting on the base plane being formed by protruding from the side wall of the longitudinal body (2) towards the exterior thereof, the dormer (3) having a height from the base plane lower than that of the longitudinal body (2), the end face of said dormer (3) being open, parallel to the longitudinal plane perpendicular to the base plane containing the ridge of the longitudinal body (2), and carrying a coupling means (8) allowing a sealed coupling of the dormer (3) on the end (24a) of the drain line (24) for rainwater, reinforcement ribs (6) being formed on the longitudinal body (2), the ribs (6) extending on the outer face of the longitudinal body (2), perpendicularly to the longitudinal plane perpendicular to the base plane containing the ridge of the longitudinal body (2), characterized in that said ribs (6) coming on the dormer (3) and extending (6a) on the outer face of the dormer (3).
  2. The connecting piece (1) according to claim 1, characterized in that an end coupling means (4; 5) is formed on the edge of each end face of the arched longitudinal body (2), one of the end coupling means (4) having a shape complementary to the other end coupling means (5) so as to allow a sealed coupling of two identical connecting pieces (1) by coupling the end coupling means (4;5) of said two connecting pieces (1).
  3. The connecting piece (1) according to one of claims 1 or 2, characterized in that the width of the dormer (3) at its base is between 60% and 90%, preferably about 80%, of the length in the longitudinal direction of the longitudinal body (2).
  4. The connecting piece (1) according to one of claims 1 to 3, characterized in that gripping rings (10) are formed on the outer wall of the longitudinal body (2) and/or the dormer (3).
  5. The connecting piece (1) according to one of claims 1 to 4, characterized in that it is made of plastic material, preferably high-density polyethylene (HDPE), formed by rotomolding.
  6. A service gallery (28) of parallel drain lines (24) for rainwater, characterized in that it comprises connecting pieces (1) according to one of claims 1 to 5, joined or, where required, coupled in a sealed manner by their end coupling means (4; 5), the dormer (3) of each connecting piece (1) being connected by coupling the coupling means (8) of the end face of the dormer (3) on one of the drain lines (24).
  7. The service gallery (28) according to claim 6, characterized in that it further comprises, below each connecting piece (1), a de-silter (16) having a longitudinal body having a substantially rectangular base (17) from the longitudinal edges of which two side walls (18) extend by flaring symmetrically with respect to the median longitudinal plane of the base (17), a rim (20, 21) parallel to the base (17) extending from the edges of the side walls (18) opposite to the edges connected to the base (17), the rims (20, 21) extending towards the exterior of the de-silter (16).
  8. The service gallery (28) according to claim 7, characterized in that splines (22) are formed on the outer surface of the de-silter (16), said splines (22) extending from the edge of the respective side wall connected to the base (17) to that on which the rim (20, 21) is formed.
  9. The service gallery (28) according to one of claims 7 or 8, characterized in that it further comprises, at each end, a plug (11) of the open face of the corresponding connecting piece (1), the plug having reinforcement ribs (15) on its outer face.
  10. An assembly (23) for draining rainwater, comprising a plurality of parallel rainwater drain lines (24), at one end (24a) of which a service gallery (28) is formed according to one of claims 7 to 9, the dormer (3) of each connecting piece (1) being coupled on the end (24a) of one of the drain lines (24).
EP15152727.2A 2014-01-29 2015-01-27 Connecting part of a rainwater drainage line, inspection gallery for rainwater drainage lines and drainage assembly comprising said inspection gallery Active EP2902555B1 (en)

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FR1450714A FR3016905B1 (en) 2014-01-29 2014-01-29 CONNECTION PIECE ON A RAINWATER DRAINAGE LINE, VISIT GALLERY FOR RAINWATER DRAINAGE LINES AND DRAINAGE ASSEMBLY COMPRISING SAID GALLERY OF VISIT

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EP2902555B1 true EP2902555B1 (en) 2016-12-28

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US11377835B2 (en) * 2018-07-27 2022-07-05 Advanced Drainage Systems, Inc. End caps for stormwater chambers and methods of making same

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US7226241B2 (en) * 2003-03-20 2007-06-05 Cultec, Inc. Storm water chamber for ganging together multiple chambers

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FR3016905B1 (en) 2016-02-05
FR3016905A1 (en) 2015-07-31
EP2902555A1 (en) 2015-08-05

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