EP1067242A1 - Manhole cover - Google Patents
Manhole cover Download PDFInfo
- Publication number
- EP1067242A1 EP1067242A1 EP00470013A EP00470013A EP1067242A1 EP 1067242 A1 EP1067242 A1 EP 1067242A1 EP 00470013 A EP00470013 A EP 00470013A EP 00470013 A EP00470013 A EP 00470013A EP 1067242 A1 EP1067242 A1 EP 1067242A1
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- EP
- European Patent Office
- Prior art keywords
- cavity
- polygon
- chassis
- keeper
- vertex
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- E02D29/1427—Locking devices
Definitions
- the invention relates to elements such as buffers or grids, suitable for covering pits, in particular roads, at a level access to them delimited externally by a polygonal frame, generally rectangular.
- the frame consists of sections of angle iron in L fixed end to end to form a closed polygon outline, and, the along this contour, the sections of angle iron are arranged so that one of the wings of the L participates in the constitution of the side wall of the chassis, one face of this wall, referred to in the following as "inner face", being turned towards the interior of the access to the pit, and that the other wing of the L, projecting towards inside the access, participates in the constitution of a support wall for the element or elements of covering.
- the overlap is provided by one or more polygon-shaped elements, for example rectangles or triangles.
- this one adapted to be fitted with the chassis, is provided with a latch lock adapted to be operated by a removable key.
- the frame and the covering elements also include devices suitable for fitting together, for example following a translation and more precisely a sliding elements on the chassis, with the exception of the last element, which must be set up by vertical translation or by pivoting and includes generally at least one latch locking device adapted to be operated by a removable key; in this case, the removal of the first elements put in place is conditioned by unlocking and removing of the last element locked by key, and for this reason the first elements are usually called “slave elements” and the last element is generally called “master element”, or "element of service ”.
- chassis in particular in the form of rectangle with retaining strikes for retaining the element (s) cover elements, arranged along sides of the rectangle and especially near two peaks of it, specifically in the end regions of two parallel sides of the rectangle, above the support wall for the elements created on the chassis; these wastes can be defined, on these sides of the chassis, by elongated fingers welded to the inner face of the angle sections so that their length extends parallel to the section of angle iron, and which are arranged at distance from the bearing surface for the element (s) overlap to determine an insertion space for a bolt or bolts of the elements, between this bearing surface and the elongated finger.
- the elements of polygonal overlays have bolts arranged in the regions vertices of the polygon formed by adjacent ends of two consecutive songs of it intended to be placed opposite the face inside of the side wall of the chassis; more specifically, to cooperate with fingers extending near vertices of the chassis polygon, the vertex regions of the side wall of the covering elements have a cavity extending in the two consecutive edges of part and other from the top, adapted to fit together, by sliding the element of covering on the bearing surface, around these fingers; the bottom edge of the cavity extending above the bearing surface and below the cylindrical finger thus defines the bolt in relation to insertion with the keeper, and each of the vertex regions of the polygon of the overlay includes at least one such bolt.
- the elements of cover are in molded metal, and the cavities adapted to fit together around the cylindrical fingers, extending on either side of the vertices, are made at the time of molding, by appropriate coring.
- cover elements have one or more several grip lights adapted to receive one end of a lifting tool, hollowed out in the covering element and opening at the upper face thereof; these grip lights are made approximately at or near the center of the cover edges of the element, approximately in the middle of the edge regions.
- the grip lights are also made at the time of molding, by coring.
- the object of the invention is to remedy this drawback and relates to for this purpose a covering element of a pit to which access is externally delimited by a polygon-shaped frame comprising a side wall having a face facing the inside of the access provided with the least in a region extending near a vertex of the polygon, at least one retaining keeper for the element, and a support wall for the element extending below the level of the strike projecting inwardly from access, this element also being in the form of a polygon and comprising at minus a bolt adapted to come into insertion relationship with the keeper, and at minus a gripping light hollowed out in the element and opening at the upper face thereof, characterized in that at least one region of vertex of the polygon of the covering element constituted by adjacent ends of two consecutive edges intended to be arranged opposite the face of the side wall of the chassis and a keeper of the chassis, has a cavity extending on either side of this top, at minus one edge of this cavity defining a bolt adapted to come into
- the grip lights are hollowed out in the covering element in the vicinity of the cavities of which at least one edge defines a bolt suitable for coming into an insertion relationship with a keeper, and lead into a common room communicating with the cavity, the cavities and the lights of the same top of the covering element can be made during molding using the same core, and thus the manufacturing of the elements is made less time-consuming and less expensive.
- the covering elements 1 partially represented on the figures are molded ductile iron pads, placed on a frame 2 in the form of a polygon, here a rectangle, delimiting externally access to a pit, these elements being suitable slave buffers to cover the pit at its access, in association with a service stamp.
- the chassis 2 consists of sections 20 of L-shaped angle iron fixed end to end at 90 ° to form the closed outline of the rectangle, approximately at ground level.
- This chassis 2 has a side wall constituted by a wing of each of the angles, arranged vertically, and a support wall for the buffer constituted by the other wing of each angle, arranged horizontally and projecting inward from the access.
- the side wall of the chassis has a face 21 facing towards inside the access, fitted with retaining strikes intended to retain the buffer.
- the internal face 21 of the side wall of the chassis is fitted with a keeper in a vertex region extending on either side and from the top of the rectangle; alternatively, it can be provided with two respective keepers arranged in the end regions adjacent to a small and a large side or more generally two adjacent sides of the frame.
- Each of the strikes is defined by a welded cylindrical finger 22 to the inner face 21 of the chassis along a generatrix of its surface lateral so that its longitudinal axis extends parallel to the section of angle iron to which it is welded.
- This finger is placed at a distance from the bearing surface for the element constituted by the upper face 23 of the wing horizontal of the section of angle iron to which it is welded; so the bearing wall for the buffer extending below the strike level determines between its support surface 23 and finger 22, an insertion space 24 for a latch the covering element, the structure of which will be described later.
- the internal face 21 of the side wall of the chassis has a strike along one of the long sides extending on either side of a space provided for the junction of two adjacent elements 1.
- This strike is also defined by a finger cylindrical 22 welded to the face 21 of the chassis along a generator of its lateral surface such that its longitudinal axis extends parallel to the section of angle iron to which it is welded; the finger is also arranged to distance from the bearing surface for the elements constituted by the face upper 23 of the horizontal wing, so as to determine with this support surface an insertion space, this time for two respective bolts of the two covering elements.
- Such covering elements being intended to cover chassis of different dimensions chosen so that the covering can be done in a modular way, they are designed to be able to be used in any orientation depending on the juxtaposition requirements imposed by the dimensions of the chassis.
- the buffer is advantageously sufficient, here rectangular in shape, has bolts in the regions of its four peaks; it results a juxtaposable pad for universal use in the range of chassis different dimensions for which it is intended.
- This vertex region formed by adjacent ends of two consecutive songs 11, 12 of the rectangular stamp 1 intended to be arranged opposite the inner face 21 of the side wall of the chassis and more precisely of a keeper, comprises a cavity 13 extending on the side and across the top, approximately halfway up the pad.
- This cavity 13 which extends in the edges 11, 12 of the pad parallel to the faces of this is determined by a lower lip of the edges of the tampon adapted to rest on the support wall provided in the chassis, and a upper lip of the edges adapted to cover the cylindrical finger 22 defining a keeper; note that while the upper lip is running all along the edges of element 1, the lower lip only exists in the vertex regions of the polygon, in which it is necessary to create bolts, so cavities 13.
- the location and height of the cavity are chosen so that it can be fitted around at least at least part of a locking finger 22 on one side of the chassis, or possibly two locking fingers 22 carried by two sides consecutive of it.
- at least one edge 14 of the cavity belonging to the lower lip of one of the edges and preferably two edges thereof define one or two adapted bolts, after fitting and sliding the buffer on the wall of support, to come in relation of insertion with the keeper or keepers, by nesting of the lower lip of one of the songs under a finger of locking of the chassis (figure 1), or of the respective lower lips of the two consecutive songs under two respective locking fingers of the chassis carried by two adjacent sides thereof.
- the buffer 1 has at least one grip light 15 hollowed out therein and opening on the one hand to the upper face of the tampon, in the vicinity of the cavity 13 of at least one of the vertex regions of the polygon but at a greater distance from songs 11, 12, and on the other hand in a room making it communicate with the cavity 13; preferably, at least one grip light 15 is dug in this way in the vicinity of each of the vertex regions here of the rectangle.
- the buffer 1 partially shown in the figures comprises thus in the vicinity of the cavity 13 of each vertex region, three grip lights 15, 16 opening laterally into a chamber common making them communicate with cavity 13, and here not opening not on the underside of the tampon.
- One of the lights present seen from above, a generally square shape, and is placed in the immediate vicinity of the cavity 13, the center of the square being approximately on the bisector of the angle of the stamp.
- the other two lights 16, seen from above have a generally rectangular in shape and are placed respectively on the side and else of the square light 15 at a short distance from it and symmetrically compared to this bisector, the large medians of these two lights rectangular extending respectively parallel to the two edges 11, 12 consecutive in which the cavity extends 13.
- the gripping lights 15, 16 are one greater distance from the edges 11, 12 than this cavity 13 and here than the bottom of it, and for this reason, as we have seen, a room connects the lights to the cavity.
- the bolts and lights of gripping extending into the corners of the tampon can be performed when molding, for each angle by means of a single core, which allows less time-consuming and less expensive to manufacture than for equivalent recovery of the prior art, and not more expensive only for insecure items (i.e. not having bolts).
- elements of covering according to the invention can be made with shapes different polygons, bolts of different shapes suitable for cooperate with other forms of strikes, and also different shapes suitable for inserting gripping tools individuals.
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Sewage (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
Description
L'invention concerne les éléments tels que des tampons ou des grilles, adaptés pour recouvrir les fosses notamment de voirie au niveau d'un accès à celles-ci délimité extérieurement par un châssis polygonal, généralement rectangulaire.The invention relates to elements such as buffers or grids, suitable for covering pits, in particular roads, at a level access to them delimited externally by a polygonal frame, generally rectangular.
Le plus souvent, le châssis est constitué de tronçons de cornière en L fixés bout à bout pour constituer un contour fermé de polygone, et, le long de ce contour, les tronçons de cornière sont disposés de telle sorte que l'une des ailes du L participe à la constitution de la paroi latérale du châssis, une face de cette paroi dite dans la suite « face intérieure » étant tournée vers l'intérieur de l'accès à la fosse, et que l'autre aile du L, en saillie vers l'intérieur de l'accès, participe à la constitution d'une paroi d'appui pour l'élément ou des éléments de recouvrement.Most often, the frame consists of sections of angle iron in L fixed end to end to form a closed polygon outline, and, the along this contour, the sections of angle iron are arranged so that one of the wings of the L participates in the constitution of the side wall of the chassis, one face of this wall, referred to in the following as "inner face", being turned towards the interior of the access to the pit, and that the other wing of the L, projecting towards inside the access, participates in the constitution of a support wall for the element or elements of covering.
En effet, en fonction des dimensions du châssis, le recouvrement est assuré par un ou plusieurs éléments en forme de polygones, par exemple de rectangles ou de triangles. Dans le cas d'un élément unique, celui-ci, adapté pour être emboíté avec le châssis, est muni d'un dispositif de verrouillage à loquet adapté pour être manoeuvré par une clé amovible. Dans le cas d'éléments juxtaposés, le châssis et les éléments de recouvrement comportent également des dispositifs adaptés pour s'emboíter mutuellement, par exemple à la suite d'une translation et plus précisément d'un glissement des éléments sur le châssis, à l'exception du dernier élément, qui doit être mis en place par translation verticale ou par pivotement et comporte généralement au moins un dispositif de verrouillage à loquet adapté pour être manoeuvré par une clé amovible ; dans ce cas, l'enlèvement des premiers éléments mis en place est conditionné par le déverrouillage et l'enlèvement du dernier élément verrouillé par clé, et pour cette raison les premiers éléments sont généralement nommés « éléments esclaves » et le dernier élément est généralement nommé « élément maítre », ou « élément de service ».Indeed, depending on the dimensions of the chassis, the overlap is provided by one or more polygon-shaped elements, for example rectangles or triangles. In the case of a single item, this one, adapted to be fitted with the chassis, is provided with a latch lock adapted to be operated by a removable key. In the case of juxtaposed elements, the frame and the covering elements also include devices suitable for fitting together, for example following a translation and more precisely a sliding elements on the chassis, with the exception of the last element, which must be set up by vertical translation or by pivoting and includes generally at least one latch locking device adapted to be operated by a removable key; in this case, the removal of the first elements put in place is conditioned by unlocking and removing of the last element locked by key, and for this reason the first elements are usually called "slave elements" and the last element is generally called "master element", or "element of service ”.
On connaít en particulier des châssis notamment en forme de rectangle comportant des gâches de retenue pour retenir l'élément ou les éléments de recouvrement, disposées le long de côtés du rectangle et notamment à proximité de deux sommets de celui-ci, plus précisément dans les régions d'extrémités de deux côtés parallèles du rectangle, au-dessus de la paroi d'appui pour les éléments créée sur le châssis ; ces gâches peuvent être définies, sur ces côtés du châssis, par des doigts allongés soudés à la face intérieure des tronçons de cornière de telle sorte que leur longueur s'étende parallèlement au tronçon de cornière, et qui sont disposés à distance de la surface d'appui pour l'élément ou les éléments de recouvrement afin de déterminer un espace d'insertion pour un pêne ou des pênes des éléments, entre cette surface d'appui et le doigt allongé.We know in particular chassis in particular in the form of rectangle with retaining strikes for retaining the element (s) cover elements, arranged along sides of the rectangle and especially near two peaks of it, specifically in the end regions of two parallel sides of the rectangle, above the support wall for the elements created on the chassis; these wastes can be defined, on these sides of the chassis, by elongated fingers welded to the inner face of the angle sections so that their length extends parallel to the section of angle iron, and which are arranged at distance from the bearing surface for the element (s) overlap to determine an insertion space for a bolt or bolts of the elements, between this bearing surface and the elongated finger.
Pour coopérer et plus précisément venir en relation d'insertion avec ces gâches de retenue réalisées sur le châssis, les éléments de recouvrement polygonaux comportent des pênes disposés dans les régions de sommets du polygone constituées par des extrémités adjacentes de deux chants consécutifs de celui-ci destinés à être placés en regard de la face intérieure de la paroi latérale du châssis ; plus précisément, pour coopérer avec les doigts s'étendant à proximité de sommets du polygone du châssis, les régions de sommets de la paroi latérale des éléments de couverture comportent une cavité s'étendant dans les deux chants consécutifs de part et d'autre du sommet, adaptée pour s'emboíter, par glissement de l'élément de recouvrement sur la surface d'appui, autour de ces doigts ; le bord inférieur de la cavité s'étendant au-dessus de la surface d'appui et en dessous du doigt cylindrique définit ainsi le pêne en relation d'insertion avec la gâche, et chacune des régions de sommets du polygone de l'élément de recouvrement comporte au moins un tel pêne. Généralement, les éléments de recouvrement sont en métal moulé, et les cavités adaptées pour s'emboíter autour des doigts cylindriques, s'étendant de part et d'autre des sommets, sont réalisées au moment du moulage, par un noyautage approprié.To cooperate and more specifically to come into an integration relationship with these retaining strikes made on the chassis, the elements of polygonal overlays have bolts arranged in the regions vertices of the polygon formed by adjacent ends of two consecutive songs of it intended to be placed opposite the face inside of the side wall of the chassis; more specifically, to cooperate with fingers extending near vertices of the chassis polygon, the vertex regions of the side wall of the covering elements have a cavity extending in the two consecutive edges of part and other from the top, adapted to fit together, by sliding the element of covering on the bearing surface, around these fingers; the bottom edge of the cavity extending above the bearing surface and below the cylindrical finger thus defines the bolt in relation to insertion with the keeper, and each of the vertex regions of the polygon of the overlay includes at least one such bolt. Generally, the elements of cover are in molded metal, and the cavities adapted to fit together around the cylindrical fingers, extending on either side of the vertices, are made at the time of molding, by appropriate coring.
En outre, les éléments de recouvrement présentent une ou plusieurs lumières de préhension adaptées pour recevoir une extrémité d'un outil de levage, creusées dans l'élément de recouvrement et débouchant à la face supérieure de celui-ci ; ces lumières de préhension sont réalisées approximativement au centre de l'élément de recouvrement, ou/et à proximité de bords de l'élément, approximativement au milieu des régions de bord. In addition, the cover elements have one or more several grip lights adapted to receive one end of a lifting tool, hollowed out in the covering element and opening at the upper face thereof; these grip lights are made approximately at or near the center of the cover edges of the element, approximately in the middle of the edge regions.
Généralement, les lumières de préhension sont également réalisées au moment du moulage, par un noyautage.Generally, the grip lights are also made at the time of molding, by coring.
Il résulte de ce double noyautage, une fabrication des éléments de recouvrement relativement longue et onéreuse.It results from this double coring, a manufacture of the elements of relatively long and expensive recovery.
L'invention a pour but de remédier à cet inconvénient et concerne à cette fin un élément de recouvrement d'une fosse dont un accès est délimité extérieurement par un châssis en forme de polygone comportant une paroi latérale présentant une face tournée vers l'intérieur de l'accès munie au moins dans une région s'étendant à proximité d'un sommet du polygone, d'au moins une gâche de retenue pour l'élément, et une paroi d'appui pour l'élément s'étendant sous le niveau de la gâche en saillie vers l'intérieur de l'accès, cet élément étant également en forme de polygone et comprenant au moins un pêne adapté pour venir en relation d'insertion avec la gâche, et au moins une lumière de préhension creusée dans l'élément et débouchant à la face supérieure de celui-ci, caractérisé en ce qu'au moins une région de sommet du polygone de l'élément de recouvrement constituée par des extrémités adjacentes de deux chants consécutifs destinés à être disposés en regard de la face de la paroi latérale du châssis et d'une gâche du châssis, comporte une cavité s'étendant de part et d'autre de ce sommet, au moins un bord de cette cavité définissant un pêne adapté pour venir en relation d'insertion avec la gâche, et en ce que l'élément présente également au moins une lumière de préhension creusée dans celui-ci au voisinage de la cavité mais à une plus grande distance des chants et communiquant avec la cavité.The object of the invention is to remedy this drawback and relates to for this purpose a covering element of a pit to which access is externally delimited by a polygon-shaped frame comprising a side wall having a face facing the inside of the access provided with the least in a region extending near a vertex of the polygon, at least one retaining keeper for the element, and a support wall for the element extending below the level of the strike projecting inwardly from access, this element also being in the form of a polygon and comprising at minus a bolt adapted to come into insertion relationship with the keeper, and at minus a gripping light hollowed out in the element and opening at the upper face thereof, characterized in that at least one region of vertex of the polygon of the covering element constituted by adjacent ends of two consecutive edges intended to be arranged opposite the face of the side wall of the chassis and a keeper of the chassis, has a cavity extending on either side of this top, at minus one edge of this cavity defining a bolt adapted to come into insertion relationship with the keeper, and in that the element also presents at least one gripping light dug therein in the vicinity of the cavity but at a greater distance from the chants and communicating with the cavity.
Grâce au fait que les lumières de préhension sont creusées dans l'élément de recouvrement au voisinage des cavités dont au moins un bord définit un pêne adapté pour venir en relation d'insertion avec une gâche, et débouchent dans une chambre commune communiquant avec la cavité, les cavités et les lumières d'un même sommet de l'élément de recouvrement peuvent être réalisées lors du moulage au moyen d'un même noyau, et ainsi la fabrication des éléments est rendue moins longue et moins onéreuse.Thanks to the fact that the grip lights are hollowed out in the covering element in the vicinity of the cavities of which at least one edge defines a bolt suitable for coming into an insertion relationship with a keeper, and lead into a common room communicating with the cavity, the cavities and the lights of the same top of the covering element can be made during molding using the same core, and thus the manufacturing of the elements is made less time-consuming and less expensive.
L'élément de recouvrement peut également présenter une ou plusieurs des caractéristiques suivantes :
- le bord définissant le pêne appartient à une lèvre du tampon adaptée pour reposer sur la paroi d'appui prévue dans le châssis et pour s'emboíter sous un doigt définissant une gâche, porté par la face intérieure du châssis ;
- la cavité est déterminée par une lèvre inférieure et une lèvre supérieure des chants du tampon, la lèvre supérieure étant adaptée pour coiffer un doigt porté par la face intérieure du châssis définissant une gâche de celui-ci ;
- la cavité comporte deux bords définissant deux pênes respectifs adaptés pour que l'un au moins vienne en relation d'insertion avec une gâche du châssis ;
- il comporte des pênes dans toutes les régions de sommets du polygone ;
- la lumière communiquant avec la cavité est centrée approximativement sur la bissectrice de l'angle de la région de sommet du polygone ;
- il comporte deux lumières rectangulaires symétriquement de part et d'autre d'une lumière carrée ;
- il comporte au moins une lumière au voisinage de chaque cavité ;
- il comporte deux pênes dans chacune des quatre régions de sommets du rectangle, et au moins une lumière au voisinage de chacune des cavités dont deux bords définissent les deux pênes de la région de sommet dans laquelle s'étend la cavité.
- the edge defining the bolt belongs to a lip of the buffer adapted to rest on the support wall provided in the frame and to fit under a finger defining a keeper, carried by the inner face of the frame;
- the cavity is determined by a lower lip and an upper lip of the edges of the tampon, the upper lip being adapted to cover a finger carried by the inner face of the chassis defining a keeper of the latter;
- the cavity has two edges defining two respective bolts adapted so that at least one comes in insertion relation with a keeper of the chassis;
- it has bolts in all the regions of vertices of the polygon;
- the light communicating with the cavity is centered approximately on the bisector of the angle of the vertex region of the polygon;
- it comprises two rectangular lights symmetrically on either side of a square light;
- it comprises at least one light in the vicinity of each cavity;
- it comprises two bolts in each of the four vertex regions of the rectangle, and at least one light in the vicinity of each of the cavities, two edges of which define the two bolts of the vertex region in which the cavity extends.
D'autres caractéristiques et avantages de l'invention ressortiront de la description qui va suivre, d'une forme de réalisation de l'invention donnée à titre d'exemple non limitatif et illustrée par les dessins joints dans lesquels :
- la figure 1 est une vue schématique de dessus d'une partie d'un élément de recouvrement selon l'invention en place sur une partie correspondante d'un châssis ;
- la figure 2 est une coupe schématique selon la ligne II-II de la figure 1,
- la figure 3 est une coupe schématique selon la ligne III-III de la figure 1 ;
- la figure 4 est une coupe schématique selon la ligne IV-IV de la figure 2 ; et
- la figure 5 est une vue schématique de dessus de parties de deux éléments de recouvrement selon l'invention juxtaposées sur une partie correspondante d'un châssis.
- Figure 1 is a schematic top view of part of a covering element according to the invention in place on a corresponding part of a frame;
- FIG. 2 is a schematic section along the line II-II of FIG. 1,
- Figure 3 is a schematic section along the line III-III of Figure 1;
- Figure 4 is a schematic section along the line IV-IV of Figure 2; and
- Figure 5 is a schematic top view of parts of two covering elements according to the invention juxtaposed on a corresponding part of a frame.
Les éléments de recouvrement 1 représentés partiellement sur les
figures sont des tampons en fonte ductile moulés, mis en place sur un
châssis 2 en forme de polygone, ici de rectangle, délimitant extérieurement
un accès à une fosse, ces éléments étant des tampons esclaves adaptés
pour recouvrir la fosse au niveau de son accès, en association avec un
tampon de service.The covering
Le châssis 2 est constitué de tronçons 20 de cornière en L fixés
bout à bout à 90° pour constituer le contour fermé du rectangle,
approximativement au ras du sol.The
Ce châssis 2 comporte une paroi latérale constituée par une aile
de chacune des cornières, disposée verticale, et une paroi d'appui pour le
tampon constituée par l'autre aile de chaque cornière, disposée horizontale
et en saillie vers l'intérieur de l'accès.This
La paroi latérale du châssis présente une face 21 tournée vers
l'intérieur de l'accès, munie de gâches de retenue destinés à retenir le
tampon.The side wall of the chassis has a
Sur la figure 1, la face intérieure 21 de la paroi latérale du châssis
est munie d'une gâche dans une région de sommet s'étendant de part et
d'autre du sommet du rectangle ; en variante, elle peut être munie de deux
gâches respectives disposées dans les régions d'extrémités voisines d'un
petit et d'un grand côté ou plus généralement de deux côtés adjacents du
châssis.In FIG. 1, the
Chacune des gâches est définie par un doigt cylindrique 22 soudé
à la face intérieure 21 du châssis le long d'une génératrice de sa surface
latérale de telle sorte que son axe longitudinal s'étende parallèlement au
tronçon de cornière auquel il est soudé. Ce doigt est disposé à distance de la
surface d'appui pour l'élément constituée par la face supérieure 23 de l'aile
horizontale du tronçon de cornière auquel il est soudé ; ainsi, la paroi d'appui
pour le tampon s'étendant sous le niveau de la gâche détermine entre sa
surface d'appui 23 et le doigt 22, un espace d'insertion 24 pour un pêne de
l'élément de recouvrement, dont la structure sera décrite par la suite.Each of the strikes is defined by a welded
Sur la figure 5, la face intérieure 21 de la paroi latérale du châssis
est munie le long de l'un des grands côtés de celui-ci, d'une gâche
s'étendant de part et d'autre d'un emplacement prévu pour la jonction de
deux éléments 1 adjacents. Cette gâche est également définie par un doigt
cylindrique 22 soudé à la face 21 du châssis le long d'une génératrice de sa
surface latérale de telle sorte que son axe longitudinal s'étende parallèlement
au tronçon de cornière auquel il est soudé ; le doigt est également disposé à
distance de la surface d'appui pour les éléments constituée par la face
supérieure 23 de l'aile horizontale, de manière à déterminer avec cette
surface d'appui un espace d'insertion, cette fois pour deux pênes respectifs
des deux éléments de recouvrement.In FIG. 5, the
Le tampon 1 selon l'invention destiné à recouvrir la fosse au
niveau de son accès délimité par le châssis comporte des pênes adaptés
pour venir en relation d'insertion avec les gâches du châssis.
De tels éléments de recouvrement étant destinés à recouvrir des châssis de différentes dimensions choisies de telle manière que le recouvrement puisse être effectué de manière modulaire, ils sont conçus pour pouvoir être utilisés dans n'importe quelle orientation en fonction des nécessités de juxtaposition imposées par les dimensions du châssis.Such covering elements being intended to cover chassis of different dimensions chosen so that the covering can be done in a modular way, they are designed to be able to be used in any orientation depending on the juxtaposition requirements imposed by the dimensions of the chassis.
Aussi, bien que théoriquement la présence de pênes uniquement dans la région d'un sommet du polygone (généralement un rectangle ou un triangle) correspondant à la forme extérieure du tampon, puisse dans certains cas suffire, avantageusement, le tampon, ici de forme rectangulaire, comporte des pênes dans les régions de ses quatre sommets ; il en résulte un tampon juxtaposable à usage universel dans la gamme de châssis de différentes dimensions à laquelle il est destiné.Also, although theoretically the presence of bolts only in the region of a vertex of the polygon (usually a rectangle or a triangle) corresponding to the external shape of the stamp, can in in certain cases, the buffer is advantageously sufficient, here rectangular in shape, has bolts in the regions of its four peaks; it results a juxtaposable pad for universal use in the range of chassis different dimensions for which it is intended.
Les quatre régions de sommets du rectangle étant identiques, seule l'une d'entre elles est décrite et représentée. The four vertex regions of the rectangle being identical, only one of them is described and represented.
Cette région de sommet constituée par des extrémités adjacentes
de deux chants 11, 12 consécutifs du tampon rectangulaire 1 destinés à être
disposés en regard de la face intérieure 21 de la paroi latérale du châssis et
plus précisément d'une gâche, comporte une cavité 13 s'étendant de part et
d'autre du sommet, approximativement à mi-hauteur du tampon. Cette cavité
13 qui s'étend dans les chants 11, 12 du tampon parallèlement aux faces de
celui-ci est déterminée par une lèvre inférieure des chants du tampon
adaptée pour reposer sur la paroi d'appui prévue dans le châssis, et une
lèvre supérieure des chants adaptée pour coiffer le doigt cylindrique 22
définissant une gâche ; on notera que tandis que la lèvre supérieure court
tout le long des chants de l'élément 1, la lèvre inférieure n'existe que dans
les régions de sommets du polygone, dans lesquelles il est nécessaire de
créer des pênes, donc des cavités 13. L'emplacement et la hauteur de la
cavité sont choisis de telle sorte que celle-ci puisse être emboítée autour d'au
moins une partie d'un doigt de verrouillage 22 d'un côté du châssis, ou
éventuellement de deux doigts de verrouillage 22 portés par deux côtés
consécutifs de celui-ci. En d'autres termes, dans chacune des régions de
sommets, au moins un bord 14 de la cavité appartenant à la lèvre inférieure
de l'un des chants et de préférence deux bords de celle-ci, définissent un ou
deux pênes adaptés, après pose et coulissement du tampon sur la paroi
d'appui, à venir en relation d'insertion avec la gâche ou les gâches, par
emboítement de la lèvre inférieure de l'un des chants sous un doigt de
verrouillage du châssis (figure 1), ou des lèvres inférieures respectives des
deux chants consécutifs sous deux doigts de verrouillage respectifs du
châssis portés par deux côtés adjacents de celui-ci.This vertex region formed by adjacent ends
of two
Dans le cas de châssis 2 de grande longueur destinés à être
recouverts par plusieurs tampons 1 juxtaposés et dont au moins un côté
présente au moins une gâche disposée en dehors d'une région de sommet
(figure 5), une telle gâche est susceptible de coopérer avec deux pênes, tels
qu'ils ont été décrits plus haut, appartenant aux extrémités adjacentes de
deux chants 12 respectifs alignés de deux tampons juxtaposés de
dimensions appropriées. In the case of
Egalement selon l'invention, le tampon 1 présente au moins une
lumière 15 de préhension creusée dans celui-ci et débouchant d'une part à la
face supérieure du tampon, au voisinage de la cavité 13 d'au moins l'une des
régions de sommets du polygone mais à une plus grande distance des
chants 11, 12, et d'autre part dans une chambre la faisant communiquer avec
la cavité 13 ; de préférence, au moins une lumière 15 de préhension est
creusée de cette manière au voisinage de chacune des régions de sommets
ici du rectangle.Also according to the invention, the
Le tampon 1 représenté partiellement sur les figures comporte
ainsi au voisinage de la cavité 13 de chaque région de sommet, trois
lumières 15, 16 de préhension débouchant latéralement dans une chambre
commune les faisant communiquer avec la cavité 13, et ici ne débouchant
pas à la face inférieure du tampon. L'une des lumières présente, vue de
dessus, une forme générale carrée, et est placée à proximité immédiate de la
cavité 13, le centre du carré étant approximativement sur la bissectrice de
l'angle du tampon. Les deux autres lumières 16, vues de dessus, ont une
forme générale rectangulaire et sont placées respectivement de part et
d'autre de la lumière carrée 15 à faible distance de celle-ci et symétriquement
par rapport à cette bissectrice, les grandes médianes de ces deux lumières
rectangulaires s'étendant respectivement parallèlement aux deux chants 11,
12 consécutifs dans lesquels s'étend la cavité 13. Comme la lumière carrée
15 est en retrait vers l'intérieur du rectangle par rapport au fond de la cavité
13 de la région de sommet, les lumières 15, 16 de préhension sont à une
plus grande distance des chants 11, 12 que cette cavité 13 et ici que le fond
de celle-ci, et pour cette raison, comme on l'a vu, une chambre relie les
lumières à la cavité.The
Grâce à cette caractéristique, les pênes et les lumières de préhension s'étendant dans les angles du tampon peuvent être réalisés lors du moulage, pour chaque angle au moyen d'un noyau unique, ce qui permet une fabrication moins longue et moins coûteuse que pour les éléments de recouvrement équivalents de la technique antérieure, et pas plus coûteuse que pour les éléments non sécurisés (c'est-à-dire ne comportant pas de pênes). Thanks to this feature, the bolts and lights of gripping extending into the corners of the tampon can be performed when molding, for each angle by means of a single core, which allows less time-consuming and less expensive to manufacture than for equivalent recovery of the prior art, and not more expensive only for insecure items (i.e. not having bolts).
Bien entendu, l'invention n'est pas limitée aux formes de réalisation ci-dessus décrites et représentées, et on pourra en prévoir d'autres sans sortir de son cadre ; par exemple, des éléments de recouvrement selon l'invention peuvent être réalisés avec des formes polygonales différentes, des pênes de formes différentes adaptées pour coopérer avec d'autres formes de gâches, et également des lumières de formes différentes adaptées pour l'insertion d'outils de préhension particuliers.Of course, the invention is not limited to the forms of realization above described and represented, and we can foresee some others without leaving its framework; for example, elements of covering according to the invention can be made with shapes different polygons, bolts of different shapes suitable for cooperate with other forms of strikes, and also different shapes suitable for inserting gripping tools individuals.
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9908654A FR2796092B1 (en) | 1999-07-05 | 1999-07-05 | POOL ACCESS COVERING ELEMENT |
FR9908654 | 1999-07-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1067242A1 true EP1067242A1 (en) | 2001-01-10 |
EP1067242B1 EP1067242B1 (en) | 2006-01-11 |
Family
ID=9547720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00470013A Expired - Lifetime EP1067242B1 (en) | 1999-07-05 | 2000-07-03 | Manhole cover |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP1067242B1 (en) |
AR (1) | AR024652A1 (en) |
AT (1) | ATE315689T1 (en) |
BR (1) | BR0002443C1 (en) |
CY (1) | CY1105397T1 (en) |
DE (1) | DE60025459T2 (en) |
DK (1) | DK1067242T3 (en) |
ES (1) | ES2255480T3 (en) |
FR (1) | FR2796092B1 (en) |
PT (1) | PT1067242E (en) |
ZA (1) | ZA200003354B (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3413319A1 (en) * | 1984-04-09 | 1985-10-17 | Passavant-Werke AG & Co KG, 6209 Aarbergen | Manhole cover |
FR2720770A1 (en) * | 1994-06-02 | 1995-12-08 | Rene Legrand | Buried cable and duct drawing chamber with locked cover for railway cabling |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2732050B1 (en) * | 1995-03-24 | 1997-07-11 | Barat Sa | DEVICE FOR A TRIANGULATED TRAP OF ACCESS TO GALLERIES AND UNDERGROUND WORKS OF CIVIL ENGINEERING |
-
1999
- 1999-07-05 FR FR9908654A patent/FR2796092B1/en not_active Expired - Fee Related
-
2000
- 2000-07-03 DK DK00470013T patent/DK1067242T3/en active
- 2000-07-03 AT AT00470013T patent/ATE315689T1/en active
- 2000-07-03 PT PT00470013T patent/PT1067242E/en unknown
- 2000-07-03 ES ES00470013T patent/ES2255480T3/en not_active Expired - Lifetime
- 2000-07-03 EP EP00470013A patent/EP1067242B1/en not_active Expired - Lifetime
- 2000-07-03 DE DE60025459T patent/DE60025459T2/en not_active Expired - Lifetime
- 2000-07-04 ZA ZA200003354A patent/ZA200003354B/en unknown
- 2000-07-05 AR ARP000103422A patent/AR024652A1/en active IP Right Grant
- 2000-07-05 BR BR0002443-0A patent/BR0002443C1/en not_active IP Right Cessation
-
2006
- 2006-01-23 CY CY20061100088T patent/CY1105397T1/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3413319A1 (en) * | 1984-04-09 | 1985-10-17 | Passavant-Werke AG & Co KG, 6209 Aarbergen | Manhole cover |
FR2720770A1 (en) * | 1994-06-02 | 1995-12-08 | Rene Legrand | Buried cable and duct drawing chamber with locked cover for railway cabling |
Also Published As
Publication number | Publication date |
---|---|
DE60025459D1 (en) | 2006-04-06 |
BR0002443A (en) | 2001-03-13 |
AR024652A1 (en) | 2002-10-23 |
DK1067242T3 (en) | 2006-05-22 |
DE60025459T2 (en) | 2006-09-07 |
BR0002443C1 (en) | 2002-02-05 |
ZA200003354B (en) | 2001-01-30 |
FR2796092A1 (en) | 2001-01-12 |
ATE315689T1 (en) | 2006-02-15 |
FR2796092B1 (en) | 2001-08-31 |
EP1067242B1 (en) | 2006-01-11 |
CY1105397T1 (en) | 2010-04-28 |
ES2255480T3 (en) | 2006-07-01 |
PT1067242E (en) | 2006-05-31 |
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