FR2850404A1 - Manhole for drain access has prefabricated concrete shaft with metal ring having crown embedded into end face of shaft - Google Patents

Manhole for drain access has prefabricated concrete shaft with metal ring having crown embedded into end face of shaft Download PDF

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Publication number
FR2850404A1
FR2850404A1 FR0300784A FR0300784A FR2850404A1 FR 2850404 A1 FR2850404 A1 FR 2850404A1 FR 0300784 A FR0300784 A FR 0300784A FR 0300784 A FR0300784 A FR 0300784A FR 2850404 A1 FR2850404 A1 FR 2850404A1
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FR
France
Prior art keywords
face
crown
metal ring
tubular element
shaft
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Granted
Application number
FR0300784A
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French (fr)
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FR2850404B1 (en
Inventor
Roger Communeau
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BECOME, FR
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Roger Communeau
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Application filed by Roger Communeau filed Critical Roger Communeau
Priority to FR0300784A priority Critical patent/FR2850404B1/en
Publication of FR2850404A1 publication Critical patent/FR2850404A1/en
Application granted granted Critical
Publication of FR2850404B1 publication Critical patent/FR2850404B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Sewage (AREA)

Abstract

The manhole has a tubular shaft (1) made of prefabricated concrete and a metal ring (5) fixed into the tube and extending inwardly to form an abutment flange for the closure cover with the cover adjacent to the end face of the tube. The metal ring has a crown (8) covering the end face (9) of the tube. The crown can have an L-shaped cross section anchor foot embedded in the concrete tube.

Description

La présente invention concerne un dispositif support de plaque deThe present invention relates to a plate support device

fermeture de regard, tel que le tampon d'obturation d'une conduite formant un puits de visite  manhole closure, such as the plug blocking a pipe forming a manhole

d'un égout.from a sewer.

ARRIERE PLAN DE L'INVENTION Il est connu d'utiliser des dispositifs supports de plaque de fermeture, comprenant un élément tubulaire préfabriqué en béton et un anneau métallique fixé dans l'élément tubulaire en saillie vers l'intérieur de celui10 ci pour former un rebord d'appui pour la plaque de fermeture. L'anneau métallique est positionné dans l'élément tubulaire de telle manière que la plaque de fermeture s'étende au voisinage d'une face terminale de l'élément tubulaire. Un tel dispositif support est destiné à être 15 noyé par exemple dans le revêtement d'une chaussée de telle manière que l'élément tubulaire vienne coiffer une extrémité du conduit et que la plaque de fermeture affleure le revêtement.  BACKGROUND OF THE INVENTION It is known to use closure plate support devices, comprising a prefabricated concrete tubular element and a metal ring fixed in the tubular element projecting inwardly thereof to form a flange. support for the closing plate. The metal ring is positioned in the tubular element so that the closure plate extends in the vicinity of an end face of the tubular element. Such a support device is intended to be embedded, for example, in the covering of a roadway in such a way that the tubular element comes to cover one end of the conduit and the closure plate is flush with the covering.

Dans ces dispositifs supports, la face terminale 20 de l'élément tubulaire est très exposée aux chocs de sorte qu'il existe un risque que celle-ci soit détériorée de façon relativement rapide.  In these support devices, the end face 20 of the tubular element is very exposed to shocks so that there is a risk that it will be deteriorated relatively quickly.

OBJET DE L'INVENTION Un but de l'invention est de fournir un moyen de 25 protection de l'élément tubulaire qui soit simple et fiable sans augmenter le cot de fabrication du dispositif support.  OBJECT OF THE INVENTION An object of the invention is to provide a means of protecting the tubular element which is simple and reliable without increasing the manufacturing cost of the support device.

BREVE DESCRIPTION DE L'INVENTION En vue de la réalisation de ce but, on prévoit, 30 selon l'invention, un dispositif support de plaque de fermeture de regard, comprenant un élément tubulaire préfabriqué en béton et un anneau métallique fixé dans l'élément tubulaire en saillie vers l'intérieur de celuici pour former un rebord d'appui pour la plaque de ferme35 ture de telle manière que la plaque de fermeture s'étende au voisinage d'une face terminale de l'élément tubulaire, l'anneau métallique comprenant une couronne recouvrant la face terminale de l'élément tubulaire.  BRIEF DESCRIPTION OF THE INVENTION With a view to achieving this aim, there is provided, according to the invention, a device for manhole closure plate support, comprising a prefabricated concrete tubular element and a metal ring fixed in the element. tubular projecting inwardly therefrom to form a support rim for the closing plate 35 in such a way that the closing plate extends in the vicinity of an end face of the tubular element, the metal ring comprising a crown covering the end face of the tubular element.

Ainsi, la couronne de l'anneau métallique assure 5 une protection de l'élément tubulaire contre les agressions extérieures.  Thus, the crown of the metal ring provides protection of the tubular element against external aggressions.

De préférence, le dispositif support comprend au moins une patte d'ancrage sensiblement en forme de L s'étendant depuis une face inférieure de la couronne et 10 noyée dans l'élément tubulaire.  Preferably, the support device comprises at least one substantially L-shaped anchoring tab extending from a lower face of the crown and embedded in the tubular element.

La patte d'ancrage permet d'assurer une ferme fixation de l'anneau métallique à l'élément tubulaire sans compliquer les opérations de fabrication de l'anneau métallique, notamment lorsque celui-ci est réalisé en 15 fonderie.  The anchoring tab ensures firm attachment of the metal ring to the tubular element without complicating the operations of manufacturing the metal ring, in particular when the latter is made in a foundry.

Avantageusement, la couronne a une face supérieure en saillie de laquelle s'étendent des reliefs, ladite face supérieure comportant, de préférence en périphérie, une portion annulaire lisse.  Advantageously, the crown has a projecting upper face from which reliefs extend, said upper face comprising, preferably at the periphery, a smooth annular portion.

Ainsi, les reliefs forment des éléments antidérapants et la portion annulaire lisse de la couronne permet d'assurer, de manière simple, l'étanchéité du coffrage réalisé pour mouler l'élément tubulaire.  Thus, the reliefs form non-slip elements and the smooth annular portion of the crown makes it possible, in a simple manner, to seal the formwork produced to mold the tubular element.

D'autres caractéristiques et avantages de 25 l'invention ressortiront à la lecture de la description qui suit d'un mode de réalisation particulier non limitatif de l'invention.  Other characteristics and advantages of the invention will emerge on reading the following description of a particular non-limiting embodiment of the invention.

BREVE DESCRIPTION DES DESSINS Il sera fait référence aux dessins annexés, parmi 30 lesquels: - la figure 1 est une vue en coupe axiale d'un dispositif support conforme à l'invention, - la figure 2 est une vue de dessus de ce dispositif support. 3 5  BRIEF DESCRIPTION OF THE DRAWINGS Reference will be made to the appended drawings, among which: - Figure 1 is an axial section view of a support device according to the invention, - Figure 2 is a top view of this support device . 3 5

DESCRIPTION DETAILLEE DE L'INVENTION  DETAILED DESCRIPTION OF THE INVENTION

En référence aux figures, le dispositif support selon l'invention comprend un élément tubulaire généralement désigné en 1 qui est réalisé en béton et qui a une section circulaire.  With reference to the figures, the support device according to the invention comprises a tubular element generally designated at 1 which is made of concrete and which has a circular section.

L'élément tubulaire comporte une partie inférieure 2 et une partie supérieure 3.  The tubular element has a lower part 2 and an upper part 3.

La partie inférieure 2 a un diamètre interne supérieur à celui de la partie supérieure 3 de sorte que la partie supérieure 3 forme un épaulement interne 4 10 s'étendant en saillie vers l'intérieur de l'élément tubulaire 1.  The lower part 2 has an internal diameter greater than that of the upper part 3 so that the upper part 3 forms an internal shoulder 4 10 projecting inwards from the tubular element 1.

Un anneau métallique généralement désigné en 5 est fixé par encastrement dans la partie supérieure 3 de l'élément tubulaire 1 coaxialement à celleci.  A metal ring generally designated at 5 is fixed by embedding in the upper part 3 of the tubular element 1 coaxially therewith.

L'anneau métallique 5 comprend une partie centrale 6 en L formée d'une paroi verticale annulaire ayant un bord inférieur à partir duquel s'étend vers l'intérieur une paroi horizontale annulaire.  The metal ring 5 comprises a central L-shaped part 6 formed of an annular vertical wall having a lower edge from which extends an inward horizontal annular wall.

La paroi horizontale annulaire a un bord libre 20 associé à un rebord 7 en saillie vers le haut et la paroi verticale annulaire a un bord supérieur à partir duquel s'étend vers l'extérieur une couronne 8.  The annular horizontal wall has a free edge 20 associated with an upwardly projecting rim 7 and the annular vertical wall has an upper edge from which a crown 8 extends outwards.

La couronne 8 recouvre une face terminale 9 de la partie supérieure 3 de l'élément tubulaire 1.  The crown 8 covers an end face 9 of the upper part 3 of the tubular element 1.

La couronne 8 a une face supérieure 12 pourvue de reliefs 10 et présente en périphérie une portion annulaire lisse 11. La portion annulaire lisse il est ici en saillie de la face supérieure 12.  The crown 8 has an upper face 12 provided with reliefs 10 and has a smooth annular portion 11 at the periphery. The smooth annular portion is here projecting from the upper face 12.

Des pattes d'ancrage 13 s'étendent en saillie 30 d'une face inférieure 14 de la couronne 8. Les pattes d'ancrage 13 ont une forme en L orienté ici vers la partie centrale 6 de l'anneau métallique 5.  Anchoring lugs 13 project from a bottom face 14 of the crown 8. The anchoring lugs 13 have an L-shape here oriented towards the central part 6 of the metal ring 5.

Le dispositif support de plaque de fermeture selon l'invention est réalisé en disposant l'anneau métal35 lique 5 dans un coffrage puis en coulant du béton dans le coffrage pour former l'élément tubulaire 1. La portion annulaire lisse il permet de facilement réaliser une étanchéité entre l'anneau métallique 5 et le coffrage.  The closure plate support device according to the invention is produced by placing the metal ring 35 in a formwork and then pouring concrete into the formwork to form the tubular element 1. The smooth annular portion allows it to be easily produced. sealing between the metal ring 5 and the formwork.

Le dispositif support est destiné à être installé 5 dans le revêtement d'une voie de circulation, piétonnière ou routière, de telle manière que la partie inférieure 2 accueille une conduite s'étendant verticalement depuis un réseau souterrain, tel qu'un égout, pour former un puits de visite.  The support device is intended to be installed 5 in the coating of a traffic lane, pedestrian or road, in such a way that the lower part 2 receives a pipe extending vertically from an underground network, such as a sewer, for form a manhole.

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

En particulier, le dispositif support peut avoir 15 d'autre formes que celles représentées. L'élément tubulaire et/ou l'anneau métallique peuvent avoir une section en quadrilatère, les parties haute et basse de l'élément tubulaire peuvent avoir le même diamètre interne.  In particular, the support device can have other shapes than those shown. The tubular element and / or the metal ring can have a quadrilateral section, the upper and lower parts of the tubular element can have the same internal diameter.

Les pattes d'ancrage en L peuvent être orientées 20 dans un sens inverse de celui représenté aux figures ou avoir une autre forme et par exemple la forme d'une plaque percée s'étendant perpendiculairement à la face inférieure de la couronne 8 ou toute autre forme apte à assurer la fixation de l'anneau métallique à l'élément tubu25 laire.  The L-shaped anchoring lugs can be oriented in the opposite direction to that shown in the figures or have another shape and for example the shape of a pierced plate extending perpendicularly to the underside of the crown 8 or any other form capable of securing the metal ring to the tubu25 element.

Claims (4)

REVENDI CATIONSREVENDI CATIONS 1. Dispositif support de plaque de fermeture de regard, comprenant un élément tubulaire (1) préfabriqué 5 en béton et un anneau métallique (5) fixé dans l'élément tubulaire en saillie vers l'intérieur de celui-ci pour former un rebord d'appui pour la plaque de fermeture de telle manière que la plaque de fermeture s'étende au voisinage d'une face terminale (9) de l'élément tubulaire, 10 caractérisé en ce que l'anneau métallique comprend une couronne (8) recouvrant la face terminale (9) de l'élément tubulaire.  1. Manhole closure plate support device, comprising a prefabricated tubular element (1) made of concrete and a metal ring (5) fixed in the tubular element projecting inwardly thereof to form a flange d support for the closure plate so that the closure plate extends in the vicinity of an end face (9) of the tubular element, characterized in that the metal ring comprises a crown (8) covering the end face (9) of the tubular element. 2.Dispositif support selon la revendication 1, caractérisé en ce qu'il comprend au moins une patte 15 d'ancrage (13) sensiblement en forme de L s'étendant depuis une face inférieure (14) de la couronne (8) et noyée dans l'élément tubulaire (1).  2. Support device according to claim 1, characterized in that it comprises at least one anchoring lug (13) substantially in the shape of an L extending from a lower face (14) of the crown (8) and embedded in the tubular element (1). 3. Dispositif support selon la revendication 1 ou la revendication 2, caractérisé en ce que la couronne (8) 20 a une face supérieure (12) en saillie de laquelle s'étendent des reliefs (10), ladite face supérieure comportant une portion annulaire lisse (11).  3. Support device according to claim 1 or claim 2, characterized in that the crown (8) 20 has an upper face (12) projecting from which extend reliefs (10), said upper face comprising an annular portion smooth (11). 4. Dispositif support selon la revendication 3, caractérisé en ce que la portion annulaire lisse (11) 25 s'étend en périphérie de la face supérieure (12) de la couronne (8).  4. Support device according to claim 3, characterized in that the smooth annular portion (11) extends around the periphery of the upper face (12) of the crown (8).
FR0300784A 2003-01-24 2003-01-24 LOAD CLOSURE PLATE SUPPORT DEVICE Expired - Fee Related FR2850404B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0300784A FR2850404B1 (en) 2003-01-24 2003-01-24 LOAD CLOSURE PLATE SUPPORT DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0300784A FR2850404B1 (en) 2003-01-24 2003-01-24 LOAD CLOSURE PLATE SUPPORT DEVICE

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FR2850404A1 true FR2850404A1 (en) 2004-07-30
FR2850404B1 FR2850404B1 (en) 2005-10-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2460164A (en) * 2008-05-19 2009-11-25 Dudley Thomas Ltd An access cover with formations to improve grip
US11473264B2 (en) * 2016-10-06 2022-10-18 Hubbell Incorporated Enclosure cover assemblies

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2525285A1 (en) * 1975-06-06 1976-12-09 Passavant Werke Road manhole shaft annular concrete levelling ring - has centring circumferential castellations for interlocking end faces
FR2313509A1 (en) * 1975-06-07 1976-12-31 Passavant Werke Removable drain inspection plate - has load bearing steel plate upper with additional reinforced concrete ballast cast to underside of plate
US4673310A (en) * 1983-11-14 1987-06-16 E.L. LeBaron Foundry Co. Method of and apparatus for adjustably leveling manhole covers, grates and the like
DE3804156A1 (en) * 1988-02-08 1989-08-17 Kaiserslautern Guss Armatur Cover, in particular for manholes arranged in streets, roadways or the like

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2525285A1 (en) * 1975-06-06 1976-12-09 Passavant Werke Road manhole shaft annular concrete levelling ring - has centring circumferential castellations for interlocking end faces
FR2313509A1 (en) * 1975-06-07 1976-12-31 Passavant Werke Removable drain inspection plate - has load bearing steel plate upper with additional reinforced concrete ballast cast to underside of plate
US4673310A (en) * 1983-11-14 1987-06-16 E.L. LeBaron Foundry Co. Method of and apparatus for adjustably leveling manhole covers, grates and the like
DE3804156A1 (en) * 1988-02-08 1989-08-17 Kaiserslautern Guss Armatur Cover, in particular for manholes arranged in streets, roadways or the like

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2460164A (en) * 2008-05-19 2009-11-25 Dudley Thomas Ltd An access cover with formations to improve grip
US11473264B2 (en) * 2016-10-06 2022-10-18 Hubbell Incorporated Enclosure cover assemblies
US11926983B2 (en) 2016-10-06 2024-03-12 Hubbell Incorporated Enclosure cover assemblies

Also Published As

Publication number Publication date
FR2850404B1 (en) 2005-10-07

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