EP1826320B2 - Frame and corresponding road device - Google Patents

Frame and corresponding road device Download PDF

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Publication number
EP1826320B2
EP1826320B2 EP07290210.9A EP07290210A EP1826320B2 EP 1826320 B2 EP1826320 B2 EP 1826320B2 EP 07290210 A EP07290210 A EP 07290210A EP 1826320 B2 EP1826320 B2 EP 1826320B2
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EP
European Patent Office
Prior art keywords
frame
base
cell
outer side
frame according
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EP07290210.9A
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German (de)
French (fr)
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EP1826320B1 (en
EP1826320A1 (en
Inventor
Arnaud Cuny
Francis Berthon
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Saint Gobain PAM SA
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Saint Gobain PAM SA
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Application filed by Saint Gobain PAM SA filed Critical Saint Gobain PAM SA
Priority to PL07290210.9T priority Critical patent/PL1826320T5/en
Publication of EP1826320A1 publication Critical patent/EP1826320A1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1418—Covers for manholes or the like; Frames for covers with implements to assist in lifting, e.g. counterweights, springs

Definitions

  • the present invention relates to a frame according to the preamble of claim 1.
  • a manhole comprising a frame to be fixed in the ground and a lockable pad closing the frame.
  • the frame has an annular flat sole and a substantially cylindrical skirt.
  • the section of the sole is substantially identical over its entire circumference and therefore the frame is only weakly anchored in the sealing material.
  • the invention aims to provide a frame for a road device, especially for a manhole, which allows a better anchoring in the sealing material.
  • the invention further relates to a road device, of the type comprising a frame and a covering element, characterized in that the frame is a frame as defined above.
  • the Figure 1 shows a frame according to the invention, designated by the general reference 2.
  • the frame 2 serves to support a shutter pad 4, such as that shown in FIG. Figure 5 , the whole constituting a look of roadway.
  • the frame 2 and the pad 4 are preferably made of ductile iron.
  • the frame 2 defines a central axis XX and has a generally annular shape around this axis XX.
  • the terms “axially”, “radially” and “circumferentially” will be used with respect to this axis XX.
  • the frame 2 comprises a knuckle 6 which cooperates with a complementary knuckle 8 integral with the pad 4, allowing the opening and closing of the pad 4 by rotation around the frame.
  • the frame 2 is further provided with a housing 10 projecting radially in a region diametrically opposite the knuckle 6 of the frame.
  • This housing 10 is adapted to receive an actuating member 12 radially projecting at the periphery of the buffer 4 when the buffer is in the closed position on the frame.
  • the frame 2 has a skirt 20 and a sole 22.
  • the skirt 20 defines an outer side E , which is in the case of an upwardly facing roadway.
  • the skirt 20 has a substantially cylindrical shape about the axis XX. In this case, seen along the axis XX, the skirt 20 is substantially circular.
  • the skirt 20 has a radially inner rim 24 receiving a soundproofing ring (not shown) on which the buffer 4 in the closed position.
  • the sole 22 extends, from the inner end of the skirt 20, radially outwardly relative to the axis X-X.
  • the sole 22 has a base 26 which defines a bearing surface 28.
  • the base 26 has a thickness d , measured along the central axis XX.
  • the bearing surface 28 is substantially planar and extends perpendicularly to the axis XX. This bearing surface 28 is directed in the mounted state to an inner side I (see Figure 4 ). In the case of a manhole, the bearing surface 28 is directed to the mounted state downwards.
  • the base 26 has axially through holes 30 for anchoring the base 26 in a sealing material.
  • the sole 22 is further provided with a plurality of cells 32 which are open towards the inner side I.
  • Each cell 32 has an axial height D , or axial depth, which is greater than the thickness d of the base 26, and which is preferably greater than twice the thickness d of the base 26.
  • each cell 32 has a profile in tangential section, that is to say in radial view, inverted V-shaped, the tip being directed to the outer side E.
  • Each cell 32 thus has two inclined walls 37 which start from the base 26 and meet to form a ridge 34 directed towards the outer side E.
  • each peak 34 extends in a radial direction.
  • the tangential section of the cells may take another form, in particular in an inverted arc.
  • the radially outer side of the cell 32 is closed by a wall 35.
  • this wall 35 may be perforated.
  • each cell 32 In the inclined walls 37 of each cell 32 is formed a through axial orifice 36, which is arranged at the portion of the outermost cell 32.
  • the through orifice 36 In axial view (see Figure 3 ), the through orifice 36 has a substantially rectangular shape and extends on either side of the peak 34. These through orifices 36 facilitate the diffusion of the sealing material of the cells 32 to the outer side, which has the effect of optimizing the coating of the sole 22 in the sealing material and thus improve the anchoring of the frame 2.
  • the through orifices 36 also avoid, in the outer part of the cells, the imprisonment of air bubbles likely to hinder the penetration of the sealing material into the cells.
  • these orifices 36 also constitute gripping holes of the frame.
  • the frame 2 also has stiffening ribs 40 adjacent to the ridge 34 of each cell 32.
  • Each ridge 40 extends from the associated ridge 34 on the outer side E and narrows towards the outer edge of the skirt 20.
  • the rib 40 has the shape of a right triangle.
  • the cells 32 increase on the one hand the rigidity of the frame 2 and on the other hand allow better anchoring of the frame in the sealing material.
  • the cells 32 increase the contact area between the frame, usually made of cast iron, and the sealing material generally consisting of concrete or cement mortar, thereby reducing the contact pressure of the frame on the sealing material or on the underground structure on which the manhole is supported, particularly when the manhole is subject to significant efforts resulting from surface road traffic.
  • the cells 32 also make it possible to reduce the shearing forces of the sealing material by virtue of the presence of the latter in the cells, thus improving the anchoring of the frame .
  • the cells 32 according to the invention are raised relative to the general plane of the base 26 of the sole and thus allow interaction in space with the sealing material, thereby ensuring better anchoring.
  • the invention can be applied to other devices than manholes, and in particular to any road device comprising a frame to be fixed in a sealing material and a covering element of the type buffer or grid that is supported on the frame.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Paleontology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Vehicle Body Suspensions (AREA)
  • Road Signs Or Road Markings (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Road Repair (AREA)

Abstract

The frame (2) has a base plate (22) with a base (26) defining a support surface (28) directed towards an inner side (I). A skirt receives a closure plug and defines an outer side (E). The base plate has a set of slots (32) opened towards the inner side, and the base has axially traversing holes (30) for anchoring the base in a sealing material constituted of concrete or cement mortar. Each slot has a height larger than the thickness of the base.

Description

La présente invention concerne un cadre selon le préambule de la revendication 1.The present invention relates to a frame according to the preamble of claim 1.

US6161984 et EP84510 décrivent des cadres pour un dispositif de voirie. US6161984 and EP84510 describe frames for a roadway device.

On connaît, par exemple du document FR-2 376 919 un regard de chaussée comprenant un cadre destiné à être fixé dans le sol et un tampon verrouillable obturant le cadre. Le cadre comporte une semelle plate annulaire et une jupe sensiblement cylindrique.We know, for example from the document FR-2,376,919 a manhole comprising a frame to be fixed in the ground and a lockable pad closing the frame. The frame has an annular flat sole and a substantially cylindrical skirt.

La section de la semelle est essentiellement identique sur toute sa circonférence et de ce fait le cadre n'est que faiblement ancré dans le matériau de scellement.The section of the sole is substantially identical over its entire circumference and therefore the frame is only weakly anchored in the sealing material.

L'invention a pour but de fournir un cadre pour un dispositif de voirie, notamment pour un regard de chaussée, qui permette un meilleur ancrage dans le matériau de scellement.The invention aims to provide a frame for a road device, especially for a manhole, which allows a better anchoring in the sealing material.

A cet effet, l'invention a pour objet un cadre du type précité, caractérisé par les caractéristiques de la revendication 1 . Selon des modes particuliers de réalisation, le cadre selon l'invention comporte l'une ou plusieurs des caractéristiques suivantes :

  • la ou chaque alvéole a une hauteur supérieure à une épaisseur de la base, notamment au moins deux fois supérieure à l'épaisseur de la base ;
  • la ou chaque alvéole forme une crête dirigée vers le côté extérieur ;
  • la ou chaque alvéole a une section en forme de V ou d'arc renversé ;
  • le cadre comporte au moins une nervure de rigidification adjacente à la crête d'une alvéole et dirigée vers le côté extérieur ;
  • la ou chaque nervure de rigidification a une forme rétrécissante vers le côté extérieur ;
  • la ou chaque alvéole comporte au moins un orifice traversant, notamment selon la direction s'étendant du côté extérieur vers le côté intérieur ; et
  • l'orifice traversant est agencé à la partie la plus extérieure de l'alvéole.
For this purpose, the subject of the invention is a frame of the aforementioned type, characterized by the features of claim 1. According to particular embodiments, the frame according to the invention comprises one or more of the following characteristics:
  • the or each cell has a height greater than a thickness of the base, in particular at least twice the thickness of the base;
  • the or each cell forms a ridge directed towards the outer side;
  • the or each cell has a V-shaped section or an inverted arc;
  • the frame comprises at least one stiffening rib adjacent the crest of a cell and directed towards the outer side;
  • the or each stiffening rib has a shrinking shape towards the outer side;
  • the or each cell has at least one through hole, in particular in the direction extending from the outer side to the inner side; and
  • the through hole is arranged at the outermost part of the cell.

L'invention a en outre pour objet un dispositif de voirie, du type comprenant un cadre et un élément de recouvrement, caractérisé en ce que le cadre est un cadre tel que défini ci-dessus.The invention further relates to a road device, of the type comprising a frame and a covering element, characterized in that the frame is a frame as defined above.

L'invention sera mieux comprise à la lecture de la description qui va suivre, faite en se référant aux dessins annexés, sur lesquels:

  • la Figure 1 est une vue en perspective de l'extérieur ou du dessus d'un cadre selon l'invention ;
  • la Figure 2 est une vue en perspective de l'intérieur ou du dessous du cadre de la Figure 1 ;
  • la Figure 3 est une vue de plan du dessus du cadre selon l'invention ;
  • la Figure 4 est une vue d'une coupe agrandie, prise selon la ligne IV-IV de la Figure 3 ; et
  • la Figure 5 est une vue en perspective d'un tampon, formant un regard de chaussée avec le cadre des Figures 1 à 3.
The invention will be better understood on reading the description which follows, made with reference to the appended drawings, in which:
  • the Figure 1 is a perspective view of the outside or the top of a frame according to the invention;
  • the Figure 2 is a perspective view of the inside or the underside of the frame of the Figure 1 ;
  • the Figure 3 is a top plan view of the frame according to the invention;
  • the Figure 4 is a view of an enlarged section, taken along line IV-IV of the Figure 3 ; and
  • the Figure 5 is a perspective view of a buffer, forming a lookout with the frame of Figures 1 to 3 .

La Figure 1 montre un cadre selon l'invention, désigné par la référence générale 2. Le cadre 2 sert de support à un tampon obturateur 4, tel que celui représenté à la Figure 5, l'ensemble constituant un regard de chaussée. Le cadre 2 et le tampon 4 sont réalisés de préférence en fonte ductile.The Figure 1 shows a frame according to the invention, designated by the general reference 2. The frame 2 serves to support a shutter pad 4, such as that shown in FIG. Figure 5 , the whole constituting a look of roadway. The frame 2 and the pad 4 are preferably made of ductile iron.

Le cadre 2 définit un axe central X-X et a une forme générale annulaire autour de cet axe X-X. Dans ce qui suit, les expressions « axialement », « radialement » et « circonférentiellement » seront utilisées par rapport à cet axe X-X.The frame 2 defines a central axis XX and has a generally annular shape around this axis XX. In what follows, the terms "axially", "radially" and "circumferentially" will be used with respect to this axis XX.

Le cadre 2 comporte un charnon 6 qui coopère avec un charnon complémentaire 8 solidaire du tampon 4, permettant l'ouverture et la fermeture du tampon 4 par rotation autour du cadre.The frame 2 comprises a knuckle 6 which cooperates with a complementary knuckle 8 integral with the pad 4, allowing the opening and closing of the pad 4 by rotation around the frame.

Le cadre 2 est en outre muni d'un logement 10 en saillie radiale dans une région diamétralement opposée au charnon 6 du cadre. Ce logement 10 est adapté pour recevoir un organe de manoeuvre 12 en saillie radiale à la périphérie du tampon 4 lorsque le tampon est en position de fermeture sur le cadre.The frame 2 is further provided with a housing 10 projecting radially in a region diametrically opposite the knuckle 6 of the frame. This housing 10 is adapted to receive an actuating member 12 radially projecting at the periphery of the buffer 4 when the buffer is in the closed position on the frame.

Le cadre 2 comporte une jupe 20 ainsi qu'une semelle 22. La jupe 20 définit un côté extérieur E, qui est dans le cas d'un regard de chaussée dirigé vers le haut. La jupe 20 a une forme sensiblement cylindrique autour de l'axe X-X. En l'occurrence, vue selon l'axe X-X, la jupe 20 est sensiblement circulaire. En outre, la jupe 20 comporte un rebord radialement intérieur 24 recevant un jonc d'insonorisation (non représenté) sur lequel repose le tampon 4 en position de fermeture.The frame 2 has a skirt 20 and a sole 22. The skirt 20 defines an outer side E , which is in the case of an upwardly facing roadway. The skirt 20 has a substantially cylindrical shape about the axis XX. In this case, seen along the axis XX, the skirt 20 is substantially circular. In addition, the skirt 20 has a radially inner rim 24 receiving a soundproofing ring (not shown) on which the buffer 4 in the closed position.

La semelle 22 s'étend, à partir de l'extrémité intérieure de la jupe 20, radialement vers l'extérieur par rapport à l'axe X-X.The sole 22 extends, from the inner end of the skirt 20, radially outwardly relative to the axis X-X.

La semelle 22 a une base 26 qui définit une surface d'appui 28. La base 26 a une épaisseur d, mesurée selon l'axe central X-X. La surface d'appui 28 est sensiblement plane et s'étend perpendiculairement à l'axe X-X. Cette surface d'appui 28 est dirigée à l'état monté vers un côté intérieur I (voir Figure 4). Dans le cas d'un regard de chaussée, la surface d'appui 28 est dirigée à l'état monté vers le bas.The sole 22 has a base 26 which defines a bearing surface 28. The base 26 has a thickness d , measured along the central axis XX. The bearing surface 28 is substantially planar and extends perpendicularly to the axis XX. This bearing surface 28 is directed in the mounted state to an inner side I (see Figure 4 ). In the case of a manhole, the bearing surface 28 is directed to the mounted state downwards.

La base 26 comporte des trous axialement traversants 30 d'ancrage de la base 26 dans un matériau de scellement.The base 26 has axially through holes 30 for anchoring the base 26 in a sealing material.

La semelle 22 est en outre munie d'une pluralité d'alvéoles 32 qui sont ouvertes vers le côté intérieur I. Chaque alvéole 32 a une hauteur axiale D, ou profondeur axiale, qui est supérieure à l'épaisseur d de la base 26, et qui est de préférence supérieure à deux fois l'épaisseur d de la base 26.The sole 22 is further provided with a plurality of cells 32 which are open towards the inner side I. Each cell 32 has an axial height D , or axial depth, which is greater than the thickness d of the base 26, and which is preferably greater than twice the thickness d of the base 26.

Comme ceci est visible sur la Figure 4, chaque alvéole 32 a un profil en section tangentielle, c'est-à-dire en vue radiale, en forme de V renversé, la pointe étant dirigée du côté extérieur E. Chaque alvéole 32 présente ainsi deux parois inclinées 37 qui partent de la base 26 et se rejoignent pour former une crête 34 dirigée vers le côté extérieur E. Comme ceci est visible sur la Figure 1, chaque crête 34 s'étend selon un sens radial.As this is visible on the Figure 4 each cell 32 has a profile in tangential section, that is to say in radial view, inverted V-shaped, the tip being directed to the outer side E. Each cell 32 thus has two inclined walls 37 which start from the base 26 and meet to form a ridge 34 directed towards the outer side E. As this is visible on the Figure 1 each peak 34 extends in a radial direction.

En variante, la section tangentielle des alvéoles peut prendre une autre forme, notamment en arc renversé.In a variant, the tangential section of the cells may take another form, in particular in an inverted arc.

En outre, le côté radialement extérieur de l'alvéole 32 est fermé par une paroi 35. En variante, cette paroi 35 peut être ajourée.In addition, the radially outer side of the cell 32 is closed by a wall 35. Alternatively, this wall 35 may be perforated.

Dans les parois inclinées 37 de chaque alvéole 32 est ménagé un orifice axial traversant 36, qui est agencé à la partie de l'alvéole 32 la plus extérieure. En vue axiale (voir Figure 3), l'orifice traversant 36 a une forme sensiblement rectangulaire et s'étend de part et d'autre de la crête 34. Ces orifices traversants 36 facilitent la diffusion du matériau de scellement des l'alvéoles 32 vers le côté extérieur, ce qui a pour effet d'optimiser l'enrobage de la semelle 22 dans le matériau de scellement et d'améliorer ainsi l'ancrage du cadre 2.In the inclined walls 37 of each cell 32 is formed a through axial orifice 36, which is arranged at the portion of the outermost cell 32. In axial view (see Figure 3 ), the through orifice 36 has a substantially rectangular shape and extends on either side of the peak 34. These through orifices 36 facilitate the diffusion of the sealing material of the cells 32 to the outer side, which has the effect of optimizing the coating of the sole 22 in the sealing material and thus improve the anchoring of the frame 2.

Les orifices traversants 36 évitent également, dans la partie extérieure des alvéoles, l'emprisonnement de bulles d'air susceptibles de gêner la pénétration du matériau de scellement dans les alvéoles. De plus, ces orifices 36 constituent également des orifices de préhension du cadre.The through orifices 36 also avoid, in the outer part of the cells, the imprisonment of air bubbles likely to hinder the penetration of the sealing material into the cells. In addition, these orifices 36 also constitute gripping holes of the frame.

Le cadre 2 comporte également des nervures de rigification 40 adjacentes à la crête 34 de chaque alvéole 32. Chaque nervure 40 s'étend à partir de la crête associée 34 du côté extérieur E et se rétrécie vers le bord extérieur de la jupe 20. En l'occurrence, la nervure 40 a la forme d'un triangle rectangle.The frame 2 also has stiffening ribs 40 adjacent to the ridge 34 of each cell 32. Each ridge 40 extends from the associated ridge 34 on the outer side E and narrows towards the outer edge of the skirt 20. In FIG. the occurrence, the rib 40 has the shape of a right triangle.

Les alvéoles 32 augmentent d'une part la rigidité du cadre 2 et permettent d'autre part un meilleur ancrage du cadre dans le matériau de scellement.The cells 32 increase on the one hand the rigidity of the frame 2 and on the other hand allow better anchoring of the frame in the sealing material.

Ainsi, les alvéoles 32 augmentent la surface de contact entre le cadre, généralement en fonte, et le matériau de scellement constitué généralement de béton ou de mortier de ciment, permettant ainsi de diminuer la pression de contact du cadre sur le matériau de scellement ou sur l'ouvrage souterrain sur lequel le regard de chaussée prend appui, plus particulièrement lorsque le regard de chaussée est soumis à des efforts importants résultant du trafic routier en surface.Thus, the cells 32 increase the contact area between the frame, usually made of cast iron, and the sealing material generally consisting of concrete or cement mortar, thereby reducing the contact pressure of the frame on the sealing material or on the underground structure on which the manhole is supported, particularly when the manhole is subject to significant efforts resulting from surface road traffic.

Lors du freinage ou du changement de direction d'un véhicule sur le tampon, les alvéoles 32 permettent aussi de diminuer les efforts de cisaillement du matériau de scellement grâce à la présence de celui-ci dans les alvéoles, améliorant ainsi l'ancrage du cadre.During the braking or the change of direction of a vehicle on the pad, the cells 32 also make it possible to reduce the shearing forces of the sealing material by virtue of the presence of the latter in the cells, thus improving the anchoring of the frame .

On notera également que les alvéoles 32 selon l'invention sont surélevées par rapport au plan général de la base 26 de la semelle et permettent ainsi une interaction dans l'espace avec le matériau de scellement, garantissant de ce fait un meilleur ancrage.Note also that the cells 32 according to the invention are raised relative to the general plane of the base 26 of the sole and thus allow interaction in space with the sealing material, thereby ensuring better anchoring.

Il est à noter que l'invention peut s'appliquer à d'autres dispositifs que des regards de chaussée, et notamment à n'importe quel dispositif de voirie comportant un cadre devant être fixé dans un matériau de scellement et un élément de recouvrement du type tampon ou grille qui prend appui sur le cadre.It should be noted that the invention can be applied to other devices than manholes, and in particular to any road device comprising a frame to be fixed in a sealing material and a covering element of the type buffer or grid that is supported on the frame.

Claims (8)

  1. A frame (2), in particular for a highway device, of the type including a base plate (22) having, on the one hand, a base (26) that defines a bearing surface (28) of the frame oriented toward an inner side (I) in the assembled state, and on the other hand, a skirt (20) designed to receive a covering element (4) and defining an outer side (E) in the assembled state, the base plate (22) including at least one cell (32) opened toward the inner side (I), characterized in that
    the or each cell (32) has two inclined walls (37) that start from the base (26) and come together to form a peak (34) oriented toward the outer side (E).
  2. The frame according to claim 1, characterized in that the or each cell (32) has a height (D) exceeding a thickness (d) of the base (26), in particular at least two times greater than the thickness (d) of the base (26).
  3. The frame according to any one of claims 1 or 2, characterized in that the or each cell (32) has a V-shaped or upside-down arc-shaped section.
  4. The frame according to any one of claims 1 to 3, characterized in that it includes at least one stiffening rib (40) adjacent to the peak (34) of a cell (32) and oriented toward the outer side (E).
  5. The frame according to claim 4, characterized in that the or each stiffening rib (40) has a shape narrowing toward the outer side (E).
  6. The frame according to any one of the preceding claims, characterized in that the or each cell (32) includes at least one through aperture (36), in particular in the direction extending from the outer side (E) toward the inner side (I).
  7. The frame according to claim 6, characterized in that the through aperture (36) is arranged at the outermost part of the cell (32).
  8. A highway device, of the type comprising a frame and a covering element (4), characterized in that the frame (2) is a frame according to any one of the preceding claims.
EP07290210.9A 2006-02-28 2007-02-19 Frame and corresponding road device Active EP1826320B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07290210.9T PL1826320T5 (en) 2006-02-28 2007-02-19 Frame and corresponding road device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0601800A FR2897881B1 (en) 2006-02-28 2006-02-28 FRAME AND CORRESPONDING ROAD DEVICE.

Publications (3)

Publication Number Publication Date
EP1826320A1 EP1826320A1 (en) 2007-08-29
EP1826320B1 EP1826320B1 (en) 2009-07-08
EP1826320B2 true EP1826320B2 (en) 2015-10-28

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US (1) US7648308B2 (en)
EP (1) EP1826320B2 (en)
CN (1) CN101029493B (en)
AT (1) ATE435946T1 (en)
DE (1) DE602007001469D1 (en)
ES (1) ES2329418T5 (en)
FR (1) FR2897881B1 (en)
PL (1) PL1826320T5 (en)
PT (1) PT1826320E (en)

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Publication number Priority date Publication date Assignee Title
CA2537008C (en) * 2005-02-18 2011-06-21 Trinity Industries, Inc. Protective housing assembly for a tank car manway
US7849802B2 (en) * 2005-02-18 2010-12-14 Trinity Industries, Inc. Protective housing assembly for a tank car manway
US9643623B2 (en) * 2012-06-29 2017-05-09 Trinity Industries, Inc. Gussets for reinforcement in tank cars and tank cars including gussets
US20190063032A1 (en) * 2017-08-25 2019-02-28 Trumbull Manufacturing, Inc. Meter cover

Citations (2)

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Publication number Priority date Publication date Assignee Title
EP0084510A1 (en) † 1982-01-14 1983-07-27 Robert Dumortier Circular manhole frame with hinged half-covers
US6161984A (en) † 1999-08-12 2000-12-19 Sinclair; David Brent Manhole or catch basin assembly

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PL1826320T5 (en) 2016-09-30
ATE435946T1 (en) 2009-07-15
PL1826320T3 (en) 2009-12-31
US20070227077A1 (en) 2007-10-04
FR2897881A1 (en) 2007-08-31
PT1826320E (en) 2009-10-13
US7648308B2 (en) 2010-01-19
FR2897881B1 (en) 2008-04-11
CN101029493A (en) 2007-09-05
ES2329418T5 (en) 2016-02-24
DE602007001469D1 (en) 2009-08-20
ES2329418T3 (en) 2009-11-25
CN101029493B (en) 2011-06-08
EP1826320B1 (en) 2009-07-08
EP1826320A1 (en) 2007-08-29

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