EP0668409B1 - Manhole cover grating - Google Patents
Manhole cover grating Download PDFInfo
- Publication number
- EP0668409B1 EP0668409B1 EP95400335A EP95400335A EP0668409B1 EP 0668409 B1 EP0668409 B1 EP 0668409B1 EP 95400335 A EP95400335 A EP 95400335A EP 95400335 A EP95400335 A EP 95400335A EP 0668409 B1 EP0668409 B1 EP 0668409B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bars
- frame
- grate
- grid
- bar
- 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.)
- Expired - Lifetime
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
- E03F2005/065—Gully gratings with elastic locking elements
Definitions
- the present invention relates to a grid allowing shuttering manhole covers, for example.
- the outer edge of the grid is usually a solid edge coming into contact of the frame and constituting an additional obstacle to passage of water through the grid.
- the object of the invention is therefore to remedy all of the disadvantages above by proposing a mounting grid elastic in a frame, having all the qualities solidity and reliability, and likely to allow or absorb a maximum amount of water passing on this grid.
- the invention relates to a grid intended to be mounted in a frame to seal a look of roadway and including crisscrossed bars, at minus one of the end bars of the grid being elastically deformable compared to other bars so that the grid is fixed elastically in the frame, characterized in that said end bar is secured to the grid only by its two ends between which at least one hookable lug is provided in a notch or the like made in the frame.
- the abovementioned end bar is provided with at least one stop element vis-à-vis the frame and the bar adjacent.
- the aforementioned lug is located between two stop elements projecting from on either side of the end bar and likely to each cooperate with a corresponding stop provided on the adjacent bar.
- the grid of this invention is further characterized by a sheet of parallel bars comprising the two abovementioned end bars and comprising, between the transverse bars, studs or the like making protruding towards the outside of the grid.
- the aforementioned transverse bars form a extra thickness on the sheet of parallel bars, and the stop elements of the two end bars constitute an extension of this extra thickness.
- the lug integral with the aforementioned end bars cooperates with a ramp associated with the notch in the frame, when placing the grid in this frame.
- Figure 1 is a plan and top view of a grid according to the invention illustrated in the mounted position in a frame.
- Figure 2 is a sectional view along line II-II of figure 1.
- FIG. 3 is another section view of the grid, along line III-III of Figure 1.
- Figure 4 is a sectional view of the attachment system of the grid on the frame, along line IV-IV of the figure 1.
- a grid according to this invention comprises essentially a sheet of parallel bars 1 coming foundry with parallel transverse bars 2, the grid being mounted in a frame 3 secured to a roadway (not shown).
- the sheet of parallel bars 1 has at its two ends a bar 4 elastically deformable by compared to the other bars 1 and allowing fixing removable from the grid on the frame 3.
- these two end bars 4 are secured to the remaining part of the grid by their two ends 5 only.
- a lug 6 is provided, better visible in Figure 4, and capable of cooperating with a notch or the like 7 made in frame 3.
- the frame 3 has a ramp-shaped portion 8 leading to the notch 7 and with which the lug 6 can cooperate, each side of the grid, to allow placement of the grid in frame 3, as will be explained in detail later.
- each elastic end bar 4 is located between two abutment elements 9 vis-à-vis the frame 3 and the adjacent bar 1. More precisely, as we see in Figure 1, the stop elements 9 are projection on either side of the end bar 4 of so as to cooperate, on the one hand, directly with the edge 3a of frame 3, and on the other hand, with a stop corresponding 10 provided on the bar 1 adjacent to the elastic end bars 4.
- end bars 4 may struggle elastically between the ends 5 which connect these bars 4 to the grid, it being understood that the stroke of the elastic travel is limited by the stop elements 9 cooperating on one side with the frame 3 and on the other side with the stop 10 of the adjacent bar 1.
- the parallel bars 1 have, between the bars transverse 2 small studs or the like 11 making protruding towards the outside of the grid.
- the studs 11 advantageously allow the separation of the nets of water in several nets, as materialized by arrows 12, so the grid will thus offer less resistance to water retention and will therefore absorb maximum amount of water through the interstices between bars.
- the bars 2 transverse to the bars 1 form a extra thickness 13 on the sheet of parallel bars 1, as can be seen in Figure 2.
- the elements of stop 9 projecting on either side of each end bar 4 constitute, in a way, a extension of the allowance 13.
- the extra thickness 13 presented by the bars 2 will form a water barrier flowing on the grid following the arrow marked Y on Figure 1, so that the water will flow to the across the grid between the gaps formed between bars 1 and 2.
- the nets of water pass over the extra thickness 13 of bars 2, they will then also be broken or separated by the studs 11 of the bars 1.
- the water as soon as it crosses the frame 3, necessarily falls into the holes formed between frame 3, two adjacent free ends 1a of bars 1 and a bar 2.
- free ends 1a, 4a advantageously limits the extent of the upper face of the grid, and therefore we diminishes its capacity to allow retention and the sliding of the water.
- the grid does not include no full outer edge likely to retain water flowing according to the arrows X and / or Y.
- Frame 3 being put in place and fixed on a roadway for example, just position the grid that comes to be described to the right of the framework.
- the elastic deformation of the bars 4 will be limited by the stop elements 9 cooperating with the stops corresponding 10 of the adjacent bar. So the elastic deformation of the bars 4 will advantageously which will prevent any deterioration of the wire rack.
- damage to the bars end 4 will be all the more avoided as the deformation of these bars, in one direction or another, will be done in a way symmetrically at the level attachment points 5 of these bars to the grid.
- the grid of the invention can include any number of bars, studs such as 11 and cooperating stops making it possible to limit the travel of deformation of the last bars of the grid being understood that the stops can be omitted.
Abstract
Description
La présente invention a pour objet une grille permettant l'obturation des regards de chaussée par exemple.The present invention relates to a grid allowing shuttering manhole covers, for example.
Pour obturer un regard, il est connu depuis longtemps d'utiliser une grille montée de façon amovible dans un cadre solidaire de la chaussée.To shut off a look, it has been known for a long time to use a grid removably mounted in a frame integral with the roadway.
Il est également connu de monter la grille de façon élastique dans le cadre, par déformation de la ou des deux derniers barreaux de la grille (voir p.ex. EP-A-0 401 146).It is also known to mount the grid so elastic in the frame, by deformation of the last two bars of the grid (see eg EP-A-0 401 146).
Dans ce cas, selon les systèmes antérieurement proposés, la fixation de la grille dans le cadre par le dernier barreau élastique demeurait fragile et pouvait même se rompre sous l'effet de l'insertion de la grille dans le cadre ou bien sous l'effet de son extraction. Cet inconvénient tenait à la structure même des barreaux élastiques.In this case, according to the systems previously proposed, fixing the grid in the frame by the last elastic bar remained fragile and could even break under the effect of inserting the grid into the frame or under the effect of its extraction. This drawback was due to the structure of the bars elastic.
Par ailleurs, avec les grilles connues, l'eau de pluie a tendance à glisser sur la surface des barreaux formant la partie supérieure de la grille, de sorte que toute l'eau qui passe sur la grille n'est pas absorbée par les interstices entre les barreaux.In addition, with the known grids, rainwater has tendency to slide on the surface of the bars forming the upper part of the grid, so that all the water which passes over the grid is not absorbed by the gaps between the bars.
Enfin, dans les grilles connues, le bord extérieur de la grille est généralement un bord plein venant en contact du cadre et constituant un obstacle supplémentaire au passage de l'eau au travers de la grille.Finally, in known grids, the outer edge of the grid is usually a solid edge coming into contact of the frame and constituting an additional obstacle to passage of water through the grid.
L'invention a donc pour but de remédier à tous les inconvénients ci-dessus en proposant une grille à montage élastique dans un cadre, présentant toutes les qualités requises de solidité et de fiabilité, et susceptible de laisser passer ou absorber une quantité maximum d'eau passant sur cette grille. The object of the invention is therefore to remedy all of the disadvantages above by proposing a mounting grid elastic in a frame, having all the qualities solidity and reliability, and likely to allow or absorb a maximum amount of water passing on this grid.
A cet effet, l'invention a pour objet une grille destinée à être montée dans un cadre pour obturer un regard de chaussée et comprenant des barreaux entrecroisés, au moins l'un des barreaux d'extrémité de la grille étant élastiquement déformable par rapport aux autres barreaux pour que la grille soit fixée élastiquement dans le cadre, caractérisée en ce que ledit barreau d'extrémité n'est solidaire de la grille que par ses deux extrémités entre lesquelles est prévu au moins un ergot crochetable dans une encoche ou analogue ménagée dans le cadre.To this end, the invention relates to a grid intended to be mounted in a frame to seal a look of roadway and including crisscrossed bars, at minus one of the end bars of the grid being elastically deformable compared to other bars so that the grid is fixed elastically in the frame, characterized in that said end bar is secured to the grid only by its two ends between which at least one hookable lug is provided in a notch or the like made in the frame.
Suivant une autre caractéristique de cette grille, le barreau d'extrémité précité est muni d'au moins un élément de butée vis-à-vis du cadre et du barreau adjacent.According to another characteristic of this grid, the abovementioned end bar is provided with at least one stop element vis-à-vis the frame and the bar adjacent.
Selon un mode de réalisation préféré, l'ergot précité est situé entre deux éléments de butée faisant saillie de part et d'autre du barreau d'extrémité et susceptibles de coopérer chacun avec une butée correspondante prévue sur le barreau adjacent.According to a preferred embodiment, the aforementioned lug is located between two stop elements projecting from on either side of the end bar and likely to each cooperate with a corresponding stop provided on the adjacent bar.
La grille de cette invention est encore caractérisée par une nappe de barreaux parallèles comprenant les deux barreaux d'extrémité précités et comportant, entre les barreaux transversaux, des plots ou analogues faisant saillie vers l'extérieur de la grille.The grid of this invention is further characterized by a sheet of parallel bars comprising the two abovementioned end bars and comprising, between the transverse bars, studs or the like making protruding towards the outside of the grid.
Ces plots permettront avantageusement une excellente absorption de l'eau par la grille.These studs will advantageously allow excellent water absorption by the grid.
Suivant encore une autre caractéristique de l'invention, les barreaux transversaux précités forment une surépaisseur sur la nappe de barreaux parallèles, et les éléments de butée des deux barreaux d'extrémité constituent un prolongement de cette surépaisseur.According to yet another characteristic of the invention, the aforementioned transverse bars form a extra thickness on the sheet of parallel bars, and the stop elements of the two end bars constitute an extension of this extra thickness.
On précisera encore ici que les extrémités opposées des barreaux de la nappe de barreaux parallèles et des barreaux d'extrémité précités constituent des extrémités libres venant directement buter sur le cadre.It will also be specified here that the opposite ends of the bars of the web of parallel bars and the aforementioned end bars constitute ends free directly coming up against the frame.
Suivant une autre caractéristique de l'invention, l'ergot solidaire des barreaux d'extrémité précités coopère avec une rampe associée à l'encoche ménagée dans le cadre, lors de la mise en place de la grille dans ce cadre.According to another characteristic of the invention, the lug integral with the aforementioned end bars cooperates with a ramp associated with the notch in the frame, when placing the grid in this frame.
Il se produira ainsi un agrafage de la grille sur le cadre, et cela sans risque aucun de détériorer la grille lors de sa mise en place dans le cadre, aussi bien que lors de son extraction du cadre.This will cause the grid to staple onto the frame, and this without any risk of damaging the grid when put into place as part, as well as during its extraction from the frame.
Mais d'autres avantages et caractéristiques de l'invention apparaítront mieux dans la description détaillée qui suit et se réfère aux dessins annexés, donnés uniquement à titre d'exemple, et dans lesquels.But other advantages and characteristics of the invention will appear better in the description detailed which follows and refers to the attached drawings, given only by way of example, and in which.
La figure 1 est une vue en plan et de dessus d'une grille selon l'invention illustrée en position montée dans un cadre.Figure 1 is a plan and top view of a grid according to the invention illustrated in the mounted position in a frame.
La figure 2 est une vue en coupe suivant la ligne II-II de la figure 1.Figure 2 is a sectional view along line II-II of figure 1.
La figure 3 est une autre vue en coupe de la grille, suivant la ligne III-III de la figure 1.FIG. 3 is another section view of the grid, along line III-III of Figure 1.
La figure 4 est une vue en coupe du système d'accrochage de la grille sur le cadre, suivant la ligne IV-IV de la figure 1. Figure 4 is a sectional view of the attachment system of the grid on the frame, along line IV-IV of the figure 1.
En se reportant plus particulièrement à la figure 1, on
voit qu'une grille selon cette invention comprend
essentiellement une nappe de barreaux parallèles 1 venant
de fonderie avec des barreaux transversaux parallèles 2,
la grille étant montée dans un cadre 3 solidaire d'une
chaussée (non représentée).Referring more particularly to FIG. 1, we
sees that a grid according to this invention comprises
essentially a sheet of parallel bars 1 coming
foundry with parallel
La nappe de barreaux parallèles 1 comporte à ses deux
extrémités un barreau 4 élastiquement déformable par
rapport aux autres barreaux 1 et permettant la fixation
amovible de la grille sur le cadre 3.The sheet of parallel bars 1 has at its two
ends a
Conformément à l'invention, ces deux barreaux d'extrémité
4 sont solidaires de la partie restante de la grille par
leurs deux extrémités 5 uniquement.According to the invention, these two
Entre ces deux extrémités 5, est prévu un ergot 6, mieux
visible sur la figure 4, et susceptible de coopérer avec
une encoche ou analogue 7 ménagée dans le cadre 3. Comme
il apparaít clairement sur la figure 4, le cadre 3
comporte une partie en forme de rampe 8 aboutissant à
l'encoche 7 et avec laquelle peut coopérer l'ergot 6, de
chaque côté de la grille, pour permettre la mise en place
de la grille dans le cadre 3, comme on l'expliquera en
détail plus loin.Between these two
L'ergot 6 sur chaque barreau d'extrémité élastique 4 est
situé entre deux éléments 9 de butée vis-à-vis du cadre 3
et du barreau adjacent 1. Plus précisément, comme on le
voit bien sur la figure 1, les éléments de butée 9 font
saillie de part et d'autre du barreau d'extrémité 4 de
façon à coopérer, d'une part, directement avec le bord 3a
du cadre 3, et d'autre part, avec une butée
correspondante 10 prévue sur le barreau 1 adjacent aux
barreaux élastiques d'extrémité 4. The
On comprend donc déjà que les barreaux d'extrémité 4
peuvent se débattre élastiquement entre les extrémités 5
qui relient ces barreaux 4 à la grille, étant entendu que
la course du débattement élastique est limitée par les
éléments de butée 9 coopérant d'un côté avec le cadre 3
et de l'autre côté avec la butée 10 du barreau adjacent
1.It is therefore already understood that the
On pourrait parfaitement, sans sortir du cadre de
l'invention utiliser pour les barreaux d'extrémité 4 une
seule butée telle que 9, et non pas deux butées comme
représenté, la ou lesdites butées pouvant même être
omises.We could perfectly, without going outside the framework of
the invention use for the
Les barreaux parallèles 1 comportent, entre les barreaux transversaux 2 des petits plots ou analogues 11 faisant saillie vers l'extérieur de la grille.The parallel bars 1 have, between the bars transverse 2 small studs or the like 11 making protruding towards the outside of the grid.
Si de l'eau passe sur la grille suivant le sens des
flèches repérées X sur la figure 1, les plots 11
permettront avantageusement la séparation des filets
d'eau en plusieurs filets, comme matérialisé par les
flèches 12, de sorte que la grille offrira ainsi moins de
résistance à la retenue de l'eau et absorbera donc une
quantité maximum d'eau au travers des interstices entre
les barreaux.If water passes over the grid in the direction of
arrows marked X in FIG. 1, the
Les barreaux 2 transversaux aux barreaux 1 forment une
surépaisseur 13 sur la nappe de barreaux parallèles 1,
comme on le voit bien sur la figure 2. Et les éléments de
butée 9 faisant saillie de part et d'autre de chaque
barreau d'extrémité 4 constituent, en quelque sorte, un
prolongement de la surépaisseur 13. The
Ainsi, la surépaisseur 13 que présentent les barreaux
transversaux 2, constituera une barrière à l'eau
s'écoulant sur la grille suivant la flèche repérée Y sur
la figure 1, de sorte que l'eau sera amenée à passer au
travers de la grille entre les interstices formés entre
les barreaux 1 et 2. De plus, à supposer que les filets
d'eau passent au-dessus de la surépaisseur 13 des
barreaux 2, ils seront alors également cassés ou séparés
par les plots 11 des barreaux 1.Thus, the
Comme il apparaít clairement sur la figure 1, les
extrémités opposées 1a des barreaux parallèles 1, ainsi
que les extrémités opposées 4a des derniers barreaux 4
qui sont élastiquement déformables, constituent des
extrémités libres venant directement buter sur le bord
interne 3a du cadre 3. Ainsi, l'eau, sitôt franchi le
cadre 3, tombe nécessairement dans les trous formés entre
le cadre 3, deux extrémités libres adjacentes 1a des
barreaux 1 et un barreau 2. Autrement dit, grâce aux
extrémités libres 1a, 4a, on limite avantageusement
l'étendue de la face supérieure de la grille, et donc on
diminue d'autant ses capacités à permettre la rétention
et le glissement de l'eau. En bref, la grille ne comporte
pas de bord extérieur plein susceptible de retenir l'eau
s'écoulant suivant les flèches X et/ou Y.As is clear from Figure 1, the
Mais, pour une meilleure compréhension de l'invention, on
expliquera brièvement comment s'effectue le montage de la
grille et son extraction du cadre 3.But, for a better understanding of the invention, we
briefly explain how the assembly of the
grid and its extraction from the
Le cadre 3 étant mis en place et fixé sur une chaussée
par exemple, il suffit de positionner la grille qui vient
d'être décrite au droit du cadre.
Les ergots 6 aux deux extrémités de la grille, vont venir
en contact avec la rampe 8 du cadre 3 et, sous l'effet de
la gravité, lesdits ergots glissant sur la rampe 8, vont
provoquer une déformation des barreaux d'extrémité 4 vers
le barreau adjacent 1, et cela jusqu'à ce que les ergots
6 franchissent la rampe 8 pour venir élastiquement
s'introduire dans l'encoche 7.The
La déformation élastique des barreaux 4 sera limitée par
les éléments de butée 9 coopérant avec les butées
correspondantes 10 du barreau adjacent. Ainsi, la
déformation élastique des barreaux 4 sera avantageusement
contrôlée, ce qui évitera toute détérioration de la
grille.The elastic deformation of the
Pour extraire cette dernière de son cadre 3, il suffira
d'introduire un outil entre ledit cadre et l'un des
barreaux d'extrémité 4 qui pourra ainsi se déformer en
direction d'un barreau adjacent 1 de façon à faire sortir
l'ergot 6 de son encoche 7.To extract the latter from its
Là encore, la déformation élastique d'un barreau 4
provoquée par l'outil (non représenté) sera limitée grâce
à la coopération des éléments de butée 9 avec les butées
10, de sorte que la grille ne risquera pas d'être
endommagée par l'opération d'extraction.Here again, the elastic deformation of a
Il faut aussi noter que l'endommagement des barreaux
d'extrémité 4 sera d'autant plus évité que la déformation
de ces barreaux, dans une direction ou dans une autre,
s'effectuera en quelque sorte symétriquement au niveau
des points 5 d'attache de ces barreaux à la grille.It should also be noted that damage to the
Bien entendu, l'invention n'est nullement limitée au mode de réalisation décrit et illustré qui n'a été donné qu'à titre d'exemple. Of course, the invention is in no way limited to the mode of implementation described and illustrated which has only been given as an example.
C'est ainsi que la grille de l'invention peut comporter un nombre quelconque de barreaux, de plots tels que 11 et de butées coopérantes permettant de limiter la course de déformation des derniers barreaux de la grille étant entendu que les butées peuvent être omises.This is how the grid of the invention can include any number of bars, studs such as 11 and cooperating stops making it possible to limit the travel of deformation of the last bars of the grid being understood that the stops can be omitted.
Claims (7)
- Grate intended to be mounted in a frame (3) for closing a roadway manhole and comprising crossed bars, at least one of the end bars (4) of the grate being elastically deformable with respect to the other bars (1,2) in order that the grate be elastically fastened within the frame, characterized in that the said end bar (4) is made fast to the grate with its two ends (5) only, between which is provided at least one stud adapted to be hooked into a notch or the like (7) formed in the frame (3).
- Grate according to claim 1, characterized in that the aforesaid end bar (4) is provided with at least one element (9) for abutment with respect to the frame (3) and to the adjacent bar (1).
- Grate according to claim 1 or 2, characterized in that the aforesaid stud (6) is located between two abutment elements (9) projecting from either side of the end bar (4) and adapted each one to co-operate with a corresponding stop (10) provided on the adjacent bar (1).
- Grate according to one of claims 1 to 3, characterized by a sheet of parallel bars (1) comprising two aforesaid end bars (4) and comprising, between the transverse bars (2), protrusions or the like (11) projecting outwards of the grate.
- Grate according to one of the foregoing claims, characterized in that the aforesaid transverse bars (2) form an excess thickness (13) on the sheet of parallel bars (1) and the abutment elements (9) of both end bars (4) constitute an extension of this excess thickness.
- Grate according to one of the foregoing claims, characterized in that the opposite ends of the bars (1) of the sheet of parallel bars and of the aforesaid end bars (4) constitute free ends (1a, 4a) caused to directly abut onto the frame (3).
- Grate according to claim 1, characterized in that the stud (6) made fast to the aforesaid end bars (4) co-operates with a ramp (8) associated with the notch (7) formed in the frame (3) during the putting in place of the grate within this frame.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9401886A FR2716472B1 (en) | 1994-02-18 | 1994-02-18 | Grid for closing off manhole covers. |
| FR9401886 | 1994-02-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0668409A1 EP0668409A1 (en) | 1995-08-23 |
| EP0668409B1 true EP0668409B1 (en) | 1998-12-09 |
Family
ID=9460236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95400335A Expired - Lifetime EP0668409B1 (en) | 1994-02-18 | 1995-02-16 | Manhole cover grating |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0668409B1 (en) |
| AT (1) | ATE174397T1 (en) |
| BR (1) | BR9500688A (en) |
| DE (1) | DE69506454T2 (en) |
| DK (1) | DK0668409T3 (en) |
| ES (1) | ES2128002T3 (en) |
| FR (1) | FR2716472B1 (en) |
| GR (1) | GR3029643T3 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012004379A1 (en) | 2010-07-09 | 2012-01-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Tunable fabry-perot filter and method for producing same |
| USD734838S1 (en) | 2012-12-12 | 2015-07-21 | Canada Pipe Company ULC | Grate |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2740789B1 (en) * | 1995-11-03 | 1998-01-30 | Prefaest Sa | CHANNEL AND GRID FOR CHANNEL |
| FR2749601B1 (en) * | 1996-06-07 | 1998-09-18 | Prefaest Sa | QUICK ASSEMBLY AND DISASSEMBLY CHANNEL GRILLE |
| FR2793502B1 (en) | 1999-05-11 | 2001-08-17 | Norinco | MANHOLE WITH LID AND GRID ARTICULATED AND LOCKED |
| FR2843139B1 (en) * | 2002-08-02 | 2005-03-18 | Norinco | "GRID TO OBTAIN A CANIVEAU OR ANALOGUE" |
| CA2837496C (en) | 2012-12-18 | 2016-12-13 | Canada Pipe Company ULC | Locking mechanism for a cover |
| US9127447B2 (en) | 2013-01-24 | 2015-09-08 | Canada Pipe Company ULC | Frame for an inlet of a catch basin or manhole |
| US9157213B2 (en) | 2013-03-05 | 2015-10-13 | Canada Pipe Company ULC | Eccentric frame for an inlet of a catch basin or manhole |
| FR3091883B1 (en) | 2019-01-23 | 2022-07-29 | Ej Emea | Securing device for locking a manhole shutter system |
| DE102022106289A1 (en) * | 2022-03-17 | 2023-09-21 | Aco Ahlmann Se & Co. Kg | Cover grate of a surface drainage device and surface drainage device with such a cover grate |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT273828B (en) * | 1966-12-23 | 1969-08-25 | Friedrich Ing Oestreicher | Road drain |
| CH629553A5 (en) * | 1979-02-16 | 1982-04-30 | Covers Self Level Ag | Grating intended to be fitted on a frame |
| GB2119836A (en) * | 1982-01-29 | 1983-11-23 | Brickhouse Dudley Mfg | Manhole cover or grating and frame assemblies |
| GB2188664B (en) * | 1986-04-03 | 1989-11-15 | Brickhouse Dudley Mfg | Improvements in or relating to grating and frame assemblies |
| FR2647823B1 (en) * | 1989-06-01 | 1994-03-25 | Pont A Mousson Sa | CONNECTION MEANS FOR JOINING TWO ROADS |
-
1994
- 1994-02-18 FR FR9401886A patent/FR2716472B1/en not_active Expired - Lifetime
-
1995
- 1995-02-16 DE DE69506454T patent/DE69506454T2/en not_active Expired - Lifetime
- 1995-02-16 AT AT95400335T patent/ATE174397T1/en active
- 1995-02-16 EP EP95400335A patent/EP0668409B1/en not_active Expired - Lifetime
- 1995-02-16 ES ES95400335T patent/ES2128002T3/en not_active Expired - Lifetime
- 1995-02-16 DK DK95400335T patent/DK0668409T3/en active
- 1995-02-17 BR BR9500688A patent/BR9500688A/en not_active IP Right Cessation
-
1999
- 1999-03-09 GR GR990400734T patent/GR3029643T3/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012004379A1 (en) | 2010-07-09 | 2012-01-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Tunable fabry-perot filter and method for producing same |
| DE102010031206A1 (en) | 2010-07-09 | 2012-01-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Tunable Fabry-Pérot filter and method of making the same |
| USD734838S1 (en) | 2012-12-12 | 2015-07-21 | Canada Pipe Company ULC | Grate |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2716472A1 (en) | 1995-08-25 |
| DE69506454T2 (en) | 1999-07-08 |
| FR2716472B1 (en) | 1996-05-03 |
| GR3029643T3 (en) | 1999-06-30 |
| DE69506454D1 (en) | 1999-01-21 |
| DK0668409T3 (en) | 1999-08-16 |
| EP0668409A1 (en) | 1995-08-23 |
| ES2128002T3 (en) | 1999-05-01 |
| BR9500688A (en) | 1995-10-24 |
| ATE174397T1 (en) | 1998-12-15 |
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