EP1444402B1 - Channel element for road drainage gutter - Google Patents

Channel element for road drainage gutter Download PDF

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Publication number
EP1444402B1
EP1444402B1 EP02795341A EP02795341A EP1444402B1 EP 1444402 B1 EP1444402 B1 EP 1444402B1 EP 02795341 A EP02795341 A EP 02795341A EP 02795341 A EP02795341 A EP 02795341A EP 1444402 B1 EP1444402 B1 EP 1444402B1
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EP
European Patent Office
Prior art keywords
gutter
gutter body
screw
grid
branches
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EP02795341A
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German (de)
French (fr)
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EP1444402A1 (en
Inventor
Claude Benesteau
Daniel Pichon
Jean-Michel Paucod
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Societe Etex de Recherches Techniques SERT
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Societe Etex de Recherches Techniques SERT
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224—Surface drainage of streets
    • E01C11/227—Gutters; Channels ; Roof drainage discharge ducts set in sidewalks

Definitions

  • the present invention relates to a channel element for a drainage channel for roadways consisting of a channel body made of thermoplastic material with a "U" -shaped section whose horizontal upper ends of the branches are arranged to receive a metal rebate for receiving and maintaining a metal grid fixed to the channel body by fastening means such as screw / nut.
  • the drainage channel is made by assembling said channel elements.
  • Such channel elements which may have a length of 1 m, consist of parts such as a channel body, as well as metal rabbets and a grid made of steel or cast iron, and of corresponding length.
  • a drainage channel When a drainage channel is placed on a roadway, it undergoes longitudinal and / or lateral forces exerted by the vehicle wheels when cornering or during braking.
  • the forces exerted can cause the grids and rabbets to move and / or tear in relation to the channel bodies.
  • a channel element as defined in the preamble of claim 1 is particularly described in EP-A-0 748 903 , where a gutter with locking system of the covering grid is proposed.
  • this element comprises a substantially U-shaped channel body, a covering grid disposed on an upper edge of the channel body and a cross member housed at its ends in the internal side walls of the channel body so that it is located inside the body of the gutter transverse to the longitudinal axis of the latter.
  • a bore is formed in the sidewalls of the gutter to receive a pin which passes through an orifice of the gate to be engaged in the bore.
  • the document DE-A-298 08197 proposes a channel element of the type consisting of a U-shaped body whose side walls respectively bear in their upper part a metal rebate.
  • the side walls of the U-shaped body respectively comprise a longitudinal groove in which is housed a longitudinal rib formed on the metal rabbet. It is thus proposed to further immobilize the metal rabbet on the channel body.
  • this groove has a rounded shape requiring a complementary shape of the branch of the rabbet coming opposite.
  • a phenomenon of longitudinal sliding of the gate may occur along the groove, which does not promote the locking of the gate but disturbs the contrary.
  • the manufacture and assembly of these various elements to form the gutter element generates a high manufacturing cost but moreover, it is not safe to avoid the disadvantages associated with the presence of the forces exerted by the vehicles. and which can cause the grids and rabbets to move and / or tear relative to the channel bodies.
  • the main purpose of the invention is to propose a channel element whose the assembly and the locking of the metal parts such as the rabbet and the grid on the channel body give to said channel element, a high resistance to the longitudinal and lateral forces exerted by the vehicles on the roadway including such channel elements.
  • Another purpose also tends to provide a channel element whose manufacture, assembly and locking of the rabbet and the grid are economically advantageous.
  • the subject of the invention is a drainage channel element for a drainage channel for roadways, consisting of a channel body made of thermoplastic material with a "U" -shaped section whose horizontal upper ends of the branches are arranged to receive a metal rebate for receiving and holding a metal grid fixed to the channel body by fastening means such as screw / nut, the channel body having at least one bore formed at the upper horizontal ends of its branches to be opposite complementary orifices formed respectively in the rabbet and in the grid for receiving, preferably with play, a fixing screw of the grid, characterized in that the channel body further has a housing formed in said channel body under each bore for receiving a nut which cooperates with a screw while below said housing is provided another bore e of diameter smaller than the diameter of the screw so as to create an anti-loosening thread locker during assembly on the channel body of thermoplastic, and at each of its upper ends of branches on the vertical vertical face of those a V-groove inside the channel body, provided essentially in its central zone, from less
  • the channel body has, as locking means, at least one bore formed at the upper horizontal ends of its branches to be facing complementary orifices respectively formed in the rabbet and in the grid for receiving a fixing screw of the grid, and a housing formed in said channel body under each bore to receive a nut which cooperates with a screw and below said housing is provided another bore of smaller diameter to the diameter of the screw.
  • the fastening screw is then engaged through the orifice of the gate then that of the rabbet and then cooperates with the nut, the end of said screw being engageable in said bore of smaller diameter, when the channel body is hot out of the press.
  • the gutter body has at each of its upper ends branches, on the inner vertical face thereof, a V-groove inside the body gutter, provided essentially in its central region, at least one projection such as a stop, a boss or the like.
  • the rabbet then has at least one cutout in the middle part through which is engaged with play a protrusion of the groove V of the channel body, hot out of the press of said channel body, the clearance between the cut and the projection allowing the symmetrical withdrawal of the channel body on either side of said projection.
  • the central projection blocks in translation the rabbet relative to the channel body, which generates a good resistance to lateral and longitudinal forces, while allowing an identical withdrawal of the channel body on both sides of the protrusion during cooling and no longer at a single end of the gutter body at random.
  • the mounting and locking of the metal parts that are the rabbet and the grid on the hot gutter body at the outlet of the press are made possible by the integration of the post-removal of the plastic material constituting the gutter body over the entire length thereof relative to said rigid metal parts locked in said channel body.
  • a channel member according to the invention avoids longitudinal and lateral sliding of the grids during the passage of vehicles.
  • the gutter element thus formed has a resistance to lateral and longitudinal forces high and a good locking and un-loosening in response to traffic disturbances.
  • the subject of the invention is a method of assembling a drainage channel element for roadways consisting of a channel section body with a "U" -shaped section whose horizontal upper ends of branches are arranged to receive a metal rabbet for receiving and holding a metal grid fixed to the channel body by fastening means such as a screw / nut, characterized in that the channel body made of thermoplastic material is formed by injection, presenting to each of its upper ends of branches, on the internal vertical face thereof, a V-shaped groove inside the channel body and provided essentially in its middle part of at least one projection, then, hot out of the press on each upper horizontal end of the branches of the gutter body, a metal rabbet is provided with at least one cutout in the middle portion through which a projection of the channel body is engaged with play, then installs the grid which is then fixed by means of screws which are engaged with clearance respectively in orifices formed in the grid and in the rabbet and in bores formed in correspondence in the channel body and then cooperating with nuts housed in
  • the method according to the invention allows a locking of the metal elements of the channel element on the gutter body ensuring the proper holding assembly to Lateral and longitudinal forces exerted on a road while allowing a hot assembly at the exit of press, economic condition of manufacture with heavy and voluminous parts.
  • a channel element 1 consists of a channel body 2 of thermoplastic material carrying at each of its upper horizontal ends of the branches 2a a metal rebate 3 intended to receive a metal grid 4.
  • Each upper end of a branch 2a of the channel body 2, on the vertical vertical face of said branch 2a, has an open V-groove 5 towards the inside of the channel body 2.
  • the rabbet 3 has a shape in "h” obtained, for example by folding a metal sheet, the small branch 3a of the "h” being short and folded inwards.
  • This rebate 3 is positioned on the upper horizontal end of a branch 2a of the channel body 2 so as to clamp said upper end, the small folded branch 3a of the rabbet 3 being housed in the groove 5 V as is visible to figures 1 and 4 while the other branch 3b of the rabbet 3 extends along the outer face of the branch 2a of the channel body 2.
  • the channel body 2 has, in addition, at the upper horizontal ends of its branches 2a, bores 6 positioned so as to be facing complementary orifices 7, 8 formed respectively in the rabbet 3 and the grid 4 to receive a screw fixing 9 of the grid 4.
  • a nut 10 is also provided in a housing formed in the channel body 2 in the extension of the bore 6 and which can cooperate with the screw 9 when the latter is engaged through the orifice 8 of the grid 4 and then of the orifice 7 of the rabbet 3 and then in the bore 6 of the channel body.
  • the orifices 7 and 8 receive the screw 9 with a clearance 12 (visible at figures 3 and 4 ), which allows the removal of the thermoplastic material during the cooling of the channel body 2.
  • the V groove 5 formed at the upper vertical ends of the branches 2a of the channel body 2 is provided in the middle part with a projection such as a stop 13.
  • said rabbet 3 In order to position the rabbet 3 on the upper end of a branch of the channel body 2, said rabbet 3 has a cutout 14 in the middle portion through which can be engaged with play, the stop 13 of the groove 5 V of the gutter body 2.
  • the channel body 2 made of thermoplastic material is firstly injection molded so that it has at each of the upper ends of its branches 2a, on the face vertical vertical said branches 2a, a V-shaped groove 5 provided with a stop 13 central.
  • the grid 4 is then installed, which is then fixed by means of screws 9 and nuts 10.
  • the hot engagement of the screws 9 in the bores 11 formed respectively in the channel body 2 under each nut 10 and of diameter less than the diameter of a screw 9 then allows to recreate an anti-loosening threadlocker.
  • the clearance between the cutout 14 of the rabbet 3 and the abutment 13 of the channel body 2 allows a symmetrical withdrawal of the channel body 2 on either side of said stop 13 in a similar manner to the clearance 12 at the openings 7, 8 of the rabbet 3 and the grid 4.

Abstract

The invention concerns a channel element ( 1 ) for roadway drainage gutter, consisting of a thermoplastic trench body ( 2 ) with U-shaped cross-section whereof the horizontal upper ends of the branches ( 2 a) are designed to receive a metallic rabbet ( 3 ) for receiving and maintaining a metal grate ( 4 ) fixed to the channel body ( 2 ) with fixing means such as a screw ( 9 )/nut ( 10 ), the trench body ( 2 ) including at least a bore ( 6 ) arranged at the horizontal upper ends of its branches ( 2 a) to be aligned with matching orifices ( 7, 8 ) provided respectively in the rabbet ( 3 ) and in the grid ( 4 ) for receiving, preferably with clearance, a screw for fixing ( 9 ) the grid. Another bore ( 11 ) of smaller diameter than the diameter of the screw ( 9 ) is provided beneath said housing.

Description

La présente invention concerne un élément de caniveau pour caniveau de drainage pour chaussées constitué d'un corps de caniveau en matière thermoplastique à section en forme de « U » dont les extrémités supérieures horizontales des branches sont agencées pour recevoir une feuillure métallique de réception et de maintien d'une grille métallique fixée au corps de caniveau par des moyens de fixation tels que vis/écrou. Le caniveau de drainage est réalisé par assemblage desdits éléments de caniveau.The present invention relates to a channel element for a drainage channel for roadways consisting of a channel body made of thermoplastic material with a "U" -shaped section whose horizontal upper ends of the branches are arranged to receive a metal rebate for receiving and maintaining a metal grid fixed to the channel body by fastening means such as screw / nut. The drainage channel is made by assembling said channel elements.

De tels éléments de caniveau qui peuvent présenter une longueur de 1 m, sont constitués de pièces telles qu'un corps de caniveau, ainsi que de feuillures métalliques et d'une grille réalisée en acier ou en fonte, et de longueur correspondante.Such channel elements which may have a length of 1 m, consist of parts such as a channel body, as well as metal rabbets and a grid made of steel or cast iron, and of corresponding length.

Lorsqu'un caniveau de drainage est mis en place sur une chaussée, il subit des efforts longitudinaux et/ou latéraux exercés par les roues de véhicules en virage ou au cours de freinage. En particulier, les forces exercées peuvent provoquer un déplacement et/ou un arrachement des grilles et des feuillures par rapport aux corps de caniveau.When a drainage channel is placed on a roadway, it undergoes longitudinal and / or lateral forces exerted by the vehicle wheels when cornering or during braking. In particular, the forces exerted can cause the grids and rabbets to move and / or tear in relation to the channel bodies.

Un élément de caniveau comme défini dans le préambule de la revendication 1 est en particulier décrit dans EP-A-0 748 903 , où on propose un caniveau avec système de verrouillage de la grille de recouvrement. A cet effet, cet élément comporte un corps de caniveau essentiellement en U, une grille de recouvrement disposée sur un bord supérieur du corps de caniveau ainsi qu'une traverse logée par ses extrémités dans les parois latérales internes du corps de caniveau de telle sorte qu'elle se situe à l'intérieur du corps du caniveau à la transversale de l'axe longitudinal de ce dernier. Un alésage est formé dans les parois latérales du caniveau pour recevoir une broche qui passe à travers un orifice de la grille pour être engagé dans l'alésage. La présence des traverses et la fixation de la grille par des organes appropriés dans les alésages ne suffisent pas à éliminer tous les risques d'arrachement ou de déplacement de la grille.A channel element as defined in the preamble of claim 1 is particularly described in EP-A-0 748 903 , where a gutter with locking system of the covering grid is proposed. For this purpose, this element comprises a substantially U-shaped channel body, a covering grid disposed on an upper edge of the channel body and a cross member housed at its ends in the internal side walls of the channel body so that it is located inside the body of the gutter transverse to the longitudinal axis of the latter. A bore is formed in the sidewalls of the gutter to receive a pin which passes through an orifice of the gate to be engaged in the bore. The presence of the cross members and the fixing of the grid by appropriate members in the bores are not sufficient to eliminate all risks of tearing or moving the grid.

Le document DE-A-298 08197 propose un élément de caniveau du type constitué d'un corps en U dont les parois latérales portent respectivement dans leur partie supérieure une feuillure métallique. Les parois latérales du corps en U comportent respectivement une rainure longitudinale dans laquelle se loge une nervure longitudinale ménagée sur la feuillure métallique. On propose ainsi d'immobiliser encore mieux la feuillure métallique sur le corps de caniveau. Cependant, cette rainure présente une forme arrondie nécessitant une forme complémentaire de la branche de la feuillure venant en regard. Ainsi, on rend plus complexe la fabrication d'un tel élément de caniveau car les formes doivent être en parfaite correspondance pour que le résultat, c'est-à-dire l'immobilisation de la feuillure sur le corps de caniveau, soit la plus performante possible. En outre, un phénomène de glissement longitudinal de la grille peut intervenir le long de la rainure, ce qui ne favorise pas le verrouillage de la grille mais le perturbe au contraire.The document DE-A-298 08197 proposes a channel element of the type consisting of a U-shaped body whose side walls respectively bear in their upper part a metal rebate. The side walls of the U-shaped body respectively comprise a longitudinal groove in which is housed a longitudinal rib formed on the metal rabbet. It is thus proposed to further immobilize the metal rabbet on the channel body. However, this groove has a rounded shape requiring a complementary shape of the branch of the rabbet coming opposite. Thus, it makes more complex the manufacture of such a channel element because the shapes must be in perfect correspondence so that the result, that is to say the immobilization of the groove on the channel body, is the most powerful possible. In addition, a phenomenon of longitudinal sliding of the gate may occur along the groove, which does not promote the locking of the gate but disturbs the contrary.

Dans DE-A-88 04 073.9 , on a proposé un élément de caniveau dans lequel la feuillure métallique comporte une aile extérieure pourvue d'une saillie propre à se loger dans une rainure ménagée sur la face extérieure d'une paroi latérale du corps de caniveau. La nervure est ménagée en V sur la face externe d'une paroi latérale du caniveau en U et la saillie est également ménagée en V de manière complémentaire pour se loger dans la rainure. Là encore, on complique le dispositif car l'aile de la feuillure doit présenter la forme complémentaire en V de la rainure en forme de V et, de plus, le glissement longitudinal de la feuillure le long de la rainure n'est pas empêché.In DE-A-88 04 073.9 it has been proposed a channel element in which the metal rebate has an outer wing provided with a projection adapted to be housed in a groove formed on the outer face of a side wall of the channel body. The rib is formed in V on the outer face of a side wall of the channel U and the projection is also formed in V complementary way to lodge in the groove. Again, the device is complicated because the flange of the rabbet must have the complementary V shape of the V-shaped groove and, moreover, the longitudinal sliding of the rabbet along the groove is not prevented.

Aussi, la fabrication et l'assemblage de ces différents éléments pour former l'élément de caniveau engendrent un coût de fabrication élevé mais de plus, on n'évite pas de manière sûre, les inconvénients liés à la présence des forces exercées par les véhicules et qui peuvent provoquer un déplacement et/ou un arrachement des grilles et des feuillures par rapport aux corps de caniveau.Also, the manufacture and assembly of these various elements to form the gutter element generates a high manufacturing cost but moreover, it is not safe to avoid the disadvantages associated with the presence of the forces exerted by the vehicles. and which can cause the grids and rabbets to move and / or tear relative to the channel bodies.

Afin de pallier ces inconvénients, l'invention a pour but principal de proposer un élément de caniveau dont l'assemblage et le verrouillage des parties métalliques telles que la feuillure et la grille sur le corps de caniveau confèrent audit élément de caniveau, une tenue élevée aux efforts longitudinaux et latéraux exercés par les véhicules sur la chaussée comportant de tels éléments de caniveau.In order to overcome these drawbacks, the main purpose of the invention is to propose a channel element whose the assembly and the locking of the metal parts such as the rabbet and the grid on the channel body give to said channel element, a high resistance to the longitudinal and lateral forces exerted by the vehicles on the roadway including such channel elements.

Un autre but tend à proposer également un élément de caniveau dont la fabrication, l'assemblage et le verrouillage de la feuillure et de la grille sont économiquement avantageux.Another purpose also tends to provide a channel element whose manufacture, assembly and locking of the rabbet and the grid are economically advantageous.

A cet effet, l'invention a pour objet un élément de caniveau pour caniveau de drainage pour chaussées, constitué d'un corps de caniveau en matière thermoplastique à section en forme de « U » dont les extrémités supérieures horizontales des branches sont agencées pour recevoir une feuillure métallique de réception et de maintien d'une grille métallique fixée au corps de caniveau par des moyens de fixation tels que vis/écrou, le corps de caniveau présentant au moins un alésage ménagé aux extrémités supérieures horizontales de ses branches pour être en regard d'orifices complémentaires ménagés respectivement dans la feuillure et dans la grille pour recevoir, de préférence avec jeu, une vis de fixation de la grille, caractérisé en ce que le corps de caniveau présente en outre un logement ménagé dans ledit corps de caniveau sous chaque alésage pour recevoir un écrou qui coopère avec une vis tandis qu'au-dessous dudit logement est prévu un autre alésage de diamètre inférieur au diamètre de la vis de manière à créer un frein filet anti-desserage lors de l'assemblage sur le corps de caniveau en thermoplastique, ainsi qu'à chacune de ses extrémités supérieures de branches sur la face verticale interne de celles-ci, une rainure en V à l'intérieur du corps de caniveau, pourvue essentiellement dans sa zone médiane, d'au moins une saillie telle qu'une butée ou un bossage.For this purpose, the subject of the invention is a drainage channel element for a drainage channel for roadways, consisting of a channel body made of thermoplastic material with a "U" -shaped section whose horizontal upper ends of the branches are arranged to receive a metal rebate for receiving and holding a metal grid fixed to the channel body by fastening means such as screw / nut, the channel body having at least one bore formed at the upper horizontal ends of its branches to be opposite complementary orifices formed respectively in the rabbet and in the grid for receiving, preferably with play, a fixing screw of the grid, characterized in that the channel body further has a housing formed in said channel body under each bore for receiving a nut which cooperates with a screw while below said housing is provided another bore e of diameter smaller than the diameter of the screw so as to create an anti-loosening thread locker during assembly on the channel body of thermoplastic, and at each of its upper ends of branches on the vertical vertical face of those a V-groove inside the channel body, provided essentially in its central zone, from less a protrusion such as a stop or a boss.

Selon une forme de réalisation préférée de l'invention, le corps de caniveau présente, en tant que moyens de verrouillage, au moins un alésage ménagé aux extrémités supérieures horizontales de ses branches pour être en regard d'orifices complémentaires ménagés respectivement dans la feuillure et dans la grille pour recevoir une vis de fixation de la grille, ainsi qu'un logement ménagé dans ledit corps de caniveau sous chaque alésage pour recevoir un écrou qui coopère avec une vis et au-dessous dudit logement est prévu un autre alésage de diamètre inférieur au diamètre de la vis.According to a preferred embodiment of the invention, the channel body has, as locking means, at least one bore formed at the upper horizontal ends of its branches to be facing complementary orifices respectively formed in the rabbet and in the grid for receiving a fixing screw of the grid, and a housing formed in said channel body under each bore to receive a nut which cooperates with a screw and below said housing is provided another bore of smaller diameter to the diameter of the screw.

La vis de fixation est alors engagée au travers de l'orifice de la grille puis de celui de la feuillure et coopère ensuite avec l'écrou, l'extrémité de ladite vis étant engageable dans ledit alésage de diamètre inférieur, lorsque le corps de caniveau est chaud en sortie de presse.The fastening screw is then engaged through the orifice of the gate then that of the rabbet and then cooperates with the nut, the end of said screw being engageable in said bore of smaller diameter, when the channel body is hot out of the press.

On recrée ainsi un frein filet anti-desserage du type écrou freiné à bague plastique. Chaque orifice prévu dans la feuillure et la grille accueille la vis avec un jeu, ce jeu étant propre à autoriser le retrait intervenant lors du refroidissement du corps de caniveau. On élimine ainsi toutes contraintes pouvant s'exercer au niveau des vis de fixation, contraintes engendrées par un retrait anarchique du corps de caniveau thermoplastique par rapport aux feuillures métalliques lors du refroidissement.This recreates an anti-loosening thread lock of the brazed nut type plastic ring. Each orifice provided in the rabbet and the grid accommodates the screw with a clearance, this clearance being suitable for allowing the withdrawal occurring during the cooling of the channel body. This eliminates any constraints that may be exerted on the fastening screws, stresses caused by an uncontrolled removal of the thermoplastic raceway body relative to the metal rebates during cooling.

De préférence, le corps de caniveau présente à chacune de ses extrémités supérieures des branches, sur la face verticale interne de celles-ci, une rainure en V à l'intérieur du corps de caniveau, pourvue essentiellement dans sa zone médiane, d'au moins une saillie telle qu'une butée, un bossage ou similaire.Preferably, the gutter body has at each of its upper ends branches, on the inner vertical face thereof, a V-groove inside the body gutter, provided essentially in its central region, at least one projection such as a stop, a boss or the like.

De ce fait, la feuillure présente alors au moins une découpe en partie médiane à travers laquelle est engageable avec jeu une saillie de la rainure en V du corps de caniveau, à chaud en sortie de presse dudit corps de caniveau, le jeu entre la découpe et la saillie autorisant le retrait symétrique du corps de caniveau de part et d'autre de ladite saillie.Therefore, the rabbet then has at least one cutout in the middle part through which is engaged with play a protrusion of the groove V of the channel body, hot out of the press of said channel body, the clearance between the cut and the projection allowing the symmetrical withdrawal of the channel body on either side of said projection.

De cette manière, la saillie centrale bloque en translation la feuillure par rapport au corps de caniveau, ce qui engendre une bonne résistance aux efforts latéraux et longitudinaux, tout en autorisant un retrait identique du corps de caniveau de part et d'autre de la saillie lors du refroidissement et, non plus, un retrait à une seule extrémité du corps de caniveau de façon aléatoire.In this way, the central projection blocks in translation the rabbet relative to the channel body, which generates a good resistance to lateral and longitudinal forces, while allowing an identical withdrawal of the channel body on both sides of the protrusion during cooling and no longer at a single end of the gutter body at random.

Ainsi, le montage et le verrouillage des parties métalliques que sont la feuillure et la grille sur le corps de caniveau chaud en sortie de presse sont rendus possibles par l'intégration des post-retrait de la matière plastique constituant le corps de caniveau sur toute la longueur de celui-ci par rapport auxdites pièces métalliques rigides verrouillées dans ledit corps de caniveau.Thus, the mounting and locking of the metal parts that are the rabbet and the grid on the hot gutter body at the outlet of the press are made possible by the integration of the post-removal of the plastic material constituting the gutter body over the entire length thereof relative to said rigid metal parts locked in said channel body.

Un élément de caniveau selon l'invention permet d'éviter les glissements longitudinaux et latéraux des grilles lors du passage de véhicules.A channel member according to the invention avoids longitudinal and lateral sliding of the grids during the passage of vehicles.

L'élément de caniveau ainsi formé présente une tenue aux efforts latéraux et longitudinaux élevée ainsi qu'un bon verrouillage et un non-desserrage en réponse aux trépidations routières.The gutter element thus formed has a resistance to lateral and longitudinal forces high and a good locking and un-loosening in response to traffic disturbances.

De plus, l'invention a pour objet un procédé d'assemblage d'un élément de caniveau de drainage pour chaussées constitué d'un corps de caniveau à section en forme de « U » dont les extrémités supérieures horizontales de branches sont agencées pour recevoir une feuillure métallique de réception et de maintien d'une grille métallique fixée au corps de caniveau par des moyens de fixation tels que vis/écrou, caractérisé en ce qu'on forme par injection le corps de caniveau en matière thermoplastique, présentant à chacune de ses extrémités supérieures de branches, sur la face verticale interne de celles-ci, une rainure en V à l'intérieur du corps de caniveau et pourvue essentiellement dans sa partie médiane d'au moins une saillie, puis, à chaud en sortie de presse, on met en place, sur chaque extrémité supérieure horizontale des branches du corps de caniveau, une feuillure métallique pourvue d'au moins une découpe en partie médiane à travers laquelle une saillie du corps de caniveau est engagée avec jeu, puis on installe la grille qui est alors fixée à l'aide de vis qui sont engagées avec jeu respectivement dans des orifices ménagés dans la grille et dans la feuillure et dans des alésages ménagés en correspondance dans le corps de caniveau puis qui coopèrent avec des écrous logés dans le corps de caniveau avant d'être engagées dans des alésages ménagés dans le corps de caniveau sous chaque écrou et de diamètre inférieur au diamètre de la vis permettant alors de recréer un frein filet anti-desserage.In addition, the subject of the invention is a method of assembling a drainage channel element for roadways consisting of a channel section body with a "U" -shaped section whose horizontal upper ends of branches are arranged to receive a metal rabbet for receiving and holding a metal grid fixed to the channel body by fastening means such as a screw / nut, characterized in that the channel body made of thermoplastic material is formed by injection, presenting to each of its upper ends of branches, on the internal vertical face thereof, a V-shaped groove inside the channel body and provided essentially in its middle part of at least one projection, then, hot out of the press on each upper horizontal end of the branches of the gutter body, a metal rabbet is provided with at least one cutout in the middle portion through which a projection of the channel body is engaged with play, then installs the grid which is then fixed by means of screws which are engaged with clearance respectively in orifices formed in the grid and in the rabbet and in bores formed in correspondence in the channel body and then cooperating with nuts housed in the channel body before being engaged in bores formed in the channel body under each nut and of diameter less than the diameter of the screw then allowing to recreate an anti-thread lock -desserage.

Ainsi, le procédé selon l'invention permet un verrouillage des éléments métalliques de l'élément de caniveau sur le corps de caniveau assurant la bonne tenue l'assemblage aux efforts latéraux et longitudinaux exercés sur une chaussée tout en permettant un assemblage à chaud en sortie de presse, condition économique de fabrication avec des pièces lourdes et volumineuses.Thus, the method according to the invention allows a locking of the metal elements of the channel element on the gutter body ensuring the proper holding assembly to Lateral and longitudinal forces exerted on a road while allowing a hot assembly at the exit of press, economic condition of manufacture with heavy and voluminous parts.

L'invention sera expliquée plus en détail en référence au dessin en annexe dans lequel :

  • La figure 1 représente une vue en perspective du dessus d'un élément de caniveau selon l'invention ;
  • La figure 2 représente une vue partielle de l'extrémité mâle d'un élément de caniveau selon l'invention ;
  • La figure 3 représente une vue partielle en coupe selon la ligne A-A d'un élément de caniveau de la figure 2 ;
  • La figure 4 représente une vue partielle en coupe selon la ligne B-B de la figure 3 ; et
  • La figure 5 représente une vue en perspective agrandie d'un détail de la figure 1.
The invention will be explained in more detail with reference to the drawing in the appendix in which:
  • The figure 1 represents a perspective view from above of a channel element according to the invention;
  • The figure 2 represents a partial view of the male end of a channel element according to the invention;
  • The figure 3 represents a partial view in section along the line AA of a gutter element of the figure 2 ;
  • The figure 4 represents a partial sectional view along the line BB of the figure 3 ; and
  • The figure 5 represents an enlarged perspective view of a detail of the figure 1 .

Un élément de caniveau 1 selon l'invention est constitué d'un corps de caniveau 2 en matière thermoplastique portant à chacune de ses extrémités supérieures horizontales des branches 2a une feuillure métallique 3 destinée à recevoir une grille métallique 4.A channel element 1 according to the invention consists of a channel body 2 of thermoplastic material carrying at each of its upper horizontal ends of the branches 2a a metal rebate 3 intended to receive a metal grid 4.

Chaque extrémité supérieure d'une branche 2a du corps de caniveau 2, sur la face verticale interne de ladite branche 2a, présente une rainure 5 en V ouverte vers l'intérieur du corps de caniveau 2.Each upper end of a branch 2a of the channel body 2, on the vertical vertical face of said branch 2a, has an open V-groove 5 towards the inside of the channel body 2.

La feuillure 3 présente une forme en « h » obtenue, par exemple par pliage d'une feuille métallique, la petite branche 3a du « h » étant courte et repliée vers l'intérieur.The rabbet 3 has a shape in "h" obtained, for example by folding a metal sheet, the small branch 3a of the "h" being short and folded inwards.

Cette feuillure 3 est positionnée sur l'extrémité supérieure horizontale d'une branche 2a du corps de caniveau 2 de manière à venir pincer ladite extrémité supérieure, la petite branche repliée 3a de la feuillure 3 se logeant dans la rainure 5 en V comme cela est visible aux figures 1 et 4 tandis que l'autre branche 3b de la feuillure 3 s'étend le long de la face externe de la branche 2a du corps de caniveau 2.This rebate 3 is positioned on the upper horizontal end of a branch 2a of the channel body 2 so as to clamp said upper end, the small folded branch 3a of the rabbet 3 being housed in the groove 5 V as is visible to figures 1 and 4 while the other branch 3b of the rabbet 3 extends along the outer face of the branch 2a of the channel body 2.

Le corps de caniveau 2 présente, en outre, aux extrémités supérieures horizontales de ses branches 2a, des alésages 6 positionnés de manière à être en regard d'orifices 7, 8 complémentaires ménagés respectivement dans la feuillure 3 et la grille 4 pour recevoir une vis de fixation 9 de la grille 4.The channel body 2 has, in addition, at the upper horizontal ends of its branches 2a, bores 6 positioned so as to be facing complementary orifices 7, 8 formed respectively in the rabbet 3 and the grid 4 to receive a screw fixing 9 of the grid 4.

Un écrou 10 est également prévu dans un logement ménagé dans le corps de caniveau 2 dans le prolongement de l'alésage 6 et qui peut coopérer avec la vis 9 lorsque celle-ci est engagée au travers de l'orifice 8 de la grille 4 puis de l'orifice 7 de la feuillure 3 puis dans l'alésage 6 du corps de caniveau.A nut 10 is also provided in a housing formed in the channel body 2 in the extension of the bore 6 and which can cooperate with the screw 9 when the latter is engaged through the orifice 8 of the grid 4 and then of the orifice 7 of the rabbet 3 and then in the bore 6 of the channel body.

Au-dessous du logement renfermant l'écrou 10, on ménage également un alésage 11 qui présente un diamètre inférieur au diamètre de la vis 9 et dans lequel l'extrémité de la vis 9 peut être engagée lorsque le corps de caniveau 2 est chaud, c'est-à-dire en sortie de presse.Below the housing containing the nut 10, there is also a bore 11 which has a diameter smaller than the diameter of the screw 9 and wherein the end of the screw 9 can be engaged when the channel body 2 is hot, that is to say at the exit of the press.

L'engagement de la vis 9 dans l'alésage 11 permet de créer un frein filet anti-desserage.The engagement of the screw 9 in the bore 11 makes it possible to create an anti-loosening threadlock.

De préférence, les orifices 7 et 8 reçoivent la vis 9 avec un jeu 12 (visible aux figures 3 et 4), ce qui autorise le retrait de la matière thermoplastique lors du refroidissement du corps de caniveau 2.Preferably, the orifices 7 and 8 receive the screw 9 with a clearance 12 (visible at figures 3 and 4 ), which allows the removal of the thermoplastic material during the cooling of the channel body 2.

La rainure 5 en V ménagée aux extrémités supérieures verticales des branches 2a du corps de caniveau 2 est pourvue en partie médiane, d'une saillie telle qu'une butée 13.The V groove 5 formed at the upper vertical ends of the branches 2a of the channel body 2 is provided in the middle part with a projection such as a stop 13.

De manière à positionner la feuillure 3 sur l'extrémité supérieure d'une branche du corps de caniveau 2, ladite feuillure 3 présente une découpe 14 en partie médiane à travers laquelle peut être engagée avec jeu, la butée 13 de la rainure 5 en V du corps de caniveau 2.In order to position the rabbet 3 on the upper end of a branch of the channel body 2, said rabbet 3 has a cutout 14 in the middle portion through which can be engaged with play, the stop 13 of the groove 5 V of the gutter body 2.

Ainsi pour réaliser un élément de caniveau 1 selon l'invention, on forme d'abord par injection le corps de caniveau 2 en matière thermoplastique de manière à ce que celui-ci présente à chacune des extrémités supérieures de ses branches 2a, sur la face verticale interne desdites branches 2a, une rainure 5 en V pourvue d'une butée 13 centrale.Thus, in order to produce a channel element 1 according to the invention, the channel body 2 made of thermoplastic material is firstly injection molded so that it has at each of the upper ends of its branches 2a, on the face vertical vertical said branches 2a, a V-shaped groove 5 provided with a stop 13 central.

Puis, à chaud en sortie de presse, on met en place, sur chaque extrémité supérieure de branche 2a du corps de caniveau 2, une feuillure 3 pourvue d'une découpe 14 en partie médiane à travers laquelle la butée 13 du corps de caniveau 2 est engagée avec jeu.Then, hot out press, is placed on each upper branch end 2a of the channel body 2, a rabbet 3 provided with a cutout 14 in the middle part through which the stop 13 of the channel body 2 is engaged with gambling

On installe ensuite la grille 4 qui est alors fixée à l'aide de vis 9 et d'écrous 10. L'engagement à chaud des vis 9 dans les alésages 11 ménagés respectivement dans le corps de caniveau 2 sous chaque écrou 10 et de diamètre inférieur au diamètre d'une vis 9 permet alors de recréer un frein filet anti-desserage.The grid 4 is then installed, which is then fixed by means of screws 9 and nuts 10. The hot engagement of the screws 9 in the bores 11 formed respectively in the channel body 2 under each nut 10 and of diameter less than the diameter of a screw 9 then allows to recreate an anti-loosening threadlocker.

Le jeu entre la découpe 14 de la feuillure 3 et la butée 13 du corps de caniveau 2 permet un retrait symétrique du corps de caniveau 2 de part et d'autre de ladite butée 13 de manière similaire au jeu 12 au niveau des orifices 7, 8 de la feuillure 3 et la grille 4.The clearance between the cutout 14 of the rabbet 3 and the abutment 13 of the channel body 2 allows a symmetrical withdrawal of the channel body 2 on either side of said stop 13 in a similar manner to the clearance 12 at the openings 7, 8 of the rabbet 3 and the grid 4.

Claims (4)

  1. Gutter element (1) for a drainage gutter for roads, consisting of a gutter body (2) which is made of thermoplastic material with a cross-section in the form of a "U", the horizontal upper ends of the branches (2a) of which are arranged to receive a metal rebate (3) for receipt and retention of a metal grid (4) which is secured to the gutter body (2) by securing means such as a screw (9)/ nut (10), the gutter body (2) having at least one bore (6) which is provided at the horizontal upper ends of its branches (2a) in order to be opposite complementary apertures (7, 8)which are provided respectively in the rebate (3) and in the grid (4), in order to receive, preferably with play, a screw (9) for securing of the grid (4), characterised in that the gutter body additionally has a receptacle which is provided in the said gutter body (2) below each bore (6) in order to receive a nut (10) which co-operates with a screw (9), whereas beneath the said receptacle there is provided another bore (11) with a diameter which is smaller than the diameter of the screw (9), such as to create an anti-unscrewing threaded brake during assembly on the thermoplastic gutter body, as well as, at each of its upper ends of branches (2a), on the inner vertical surface of the latter, a groove (5) in the form of a "V" in the interior of the gutter body (2), which groove is provided substantially in its median area with at least one projection such as a stop (13) or a boss.
  2. Gutter element (1) according to claim 1, characterised in that the rebate (3) is in the form of an "h", such that, obtained by bending of a metal sheet, the small branch (3a) of the "h" is short and is folded towards the interior.
  3. Gutter element (1) according to claim 2, characterised in that the rebate (3) has at least one cut-out (14) in its median part, through which there can be engaged with play a projection (13) of the groove (5) in the form of a "V" of the gutter body.
  4. Method for assembly of a gutter element (1) according to one of claims 1 to 3, characterised in that the gutter body (2) made of thermoplastic material is formed by injection, and has at each of its upper ends branches (2a) which in their inner vertical surface have a groove (5) in the form of a "V" in the interior of the gutter body, which groove is provided substantially in its median area with at least one projection (13), then, whilst hot from the press, there is put into place at each horizontal upper end of the branches (2a) of the gutter body (2) a metal rebate (3) which is provided with at least one cut-out (14) in its median part, through which a projection (13) of the gutter body (2) is engaged with play, then the metal grid (4) is installed, which is secured by means of screws (9) engaged respectively with play in apertures (8, 7) which are provided in the grid (4) and in the rebate (3) and in bores (6) which are provided in a corresponding position in the gutter body (2), and then co-operate with nuts (10) which are accommodated in the gutter body (2), before being engaged in bores (11) which are provided in the gutter body (2) below each nut (10), and have a diameter which is smaller than the diameter of the screw (9), thus making it possible to recreate an anti-unscrewing threaded brake.
EP02795341A 2001-10-26 2002-10-25 Channel element for road drainage gutter Expired - Lifetime EP1444402B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0113841 2001-10-26
FR0113841A FR2831566B1 (en) 2001-10-26 2001-10-26 CHANNEL ELEMENT FOR DRAINAGE CHANNEL FOR PAVEMENTS
PCT/FR2002/003668 WO2003035983A1 (en) 2001-10-26 2002-10-25 Channel element for road drainage gutter

Publications (2)

Publication Number Publication Date
EP1444402A1 EP1444402A1 (en) 2004-08-11
EP1444402B1 true EP1444402B1 (en) 2009-12-02

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EP02795341A Expired - Lifetime EP1444402B1 (en) 2001-10-26 2002-10-25 Channel element for road drainage gutter

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US (1) US7048466B2 (en)
EP (1) EP1444402B1 (en)
AT (1) ATE450657T1 (en)
CA (1) CA2460506C (en)
DE (1) DE60234628D1 (en)
ES (1) ES2340918T3 (en)
FR (1) FR2831566B1 (en)
PL (1) PL202789B1 (en)
WO (1) WO2003035983A1 (en)

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Also Published As

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US7048466B2 (en) 2006-05-23
ES2340918T3 (en) 2010-06-11
CA2460506A1 (en) 2003-05-01
PL202789B1 (en) 2009-07-31
CA2460506C (en) 2010-07-20
FR2831566A1 (en) 2003-05-02
PL368124A1 (en) 2005-03-21
DE60234628D1 (en) 2010-01-14
ATE450657T1 (en) 2009-12-15
EP1444402A1 (en) 2004-08-11
FR2831566B1 (en) 2004-02-27
US20050055887A1 (en) 2005-03-17
WO2003035983A1 (en) 2003-05-01

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