EP0668409A1 - Schachtabdeckrost - Google Patents

Schachtabdeckrost Download PDF

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Publication number
EP0668409A1
EP0668409A1 EP95400335A EP95400335A EP0668409A1 EP 0668409 A1 EP0668409 A1 EP 0668409A1 EP 95400335 A EP95400335 A EP 95400335A EP 95400335 A EP95400335 A EP 95400335A EP 0668409 A1 EP0668409 A1 EP 0668409A1
Authority
EP
European Patent Office
Prior art keywords
bars
grid
frame
bar
lug
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.)
Granted
Application number
EP95400335A
Other languages
English (en)
French (fr)
Other versions
EP0668409B1 (de
Inventor
Christian René Georges Fumalle
Pascal Georges Adrien Lacroix
Jean-Jacques Maurice Monneret
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Norinco SA
Original Assignee
Norinco SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Norinco SA filed Critical Norinco SA
Publication of EP0668409A1 publication Critical patent/EP0668409A1/de
Application granted granted Critical
Publication of EP0668409B1 publication Critical patent/EP0668409B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 the shutter of manholes for example.
  • the outer edge of the grid is generally a solid edge coming into contact with the frame and constituting an additional obstacle to the passage of water through the grid.
  • the invention therefore aims to remedy all the above drawbacks by proposing a grid with elastic mounting in a frame, having all the requisite qualities of solidity and reliability, and capable of letting through or absorbing a maximum amount of water passing over this grid.
  • the subject of the invention is a grid intended to be mounted in a frame for closing a manhole cover and comprising intersecting bars, at least one of the end bars of the grid being elastically deformable relative to the 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 is provided at least one hookable lug in a notch or the like formed in the framework.
  • the aforementioned end bar is provided with at least one abutment element with respect to the frame and the adjacent bar.
  • the aforementioned lug is located between two abutment elements projecting on either side of the end bar and capable of cooperating each 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 aforementioned end bars and comprising, between the transverse bars, studs or the like projecting towards the outside of the grid.
  • the aforementioned transverse bars form an additional thickness on the ply of parallel bars, and the abutment elements of the two end bars constitute an extension of this additional thickness.
  • the lug integral with the aforementioned end bars cooperates with a ramp associated with the notch formed in the frame, when the grid is placed 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.
  • Figure 3 is another sectional view of the grid, taken along line III-III of Figure 1.
  • FIG. 4 is a sectional view of the system for attaching the grid to the frame, along the line IV-IV of FIG. 1.
  • a grid according to this invention essentially comprises a sheet of parallel bars 1 coming from the foundry with parallel transverse bars 2, the grid being mounted in a frame 3 integral with a roadway (not shown).
  • the ply of parallel bars 1 has at its two ends a bar 4 which is elastically deformable relative to the other bars 1 and which allows the grid to be fixed to the frame 3.
  • these two end bars 4 are integral with the remaining part of the grid by their two ends 5 only.
  • a lug 6 is provided, better visible in FIG. 4, and capable of cooperating with a notch or the like 7 made in the frame 3.
  • the frame 3 comprises a part in the form of a ramp 8 leading to the notch 7 and with which the lug 6 can cooperate, on each side of the grid, to allow the grid to be placed in the frame 3, as will be explained in more detail far.
  • each elastic end bar 4 is located between two abutment elements 9 with respect to the frame 3 and the adjacent bar 1. More precisely, as can be seen in FIG. 1, the elements of stop 9 protrude on either side of the end bar 4 so as to cooperate, on the one hand, directly with the edge 3a of the frame 3, and on the other hand, with a corresponding stop 10 provided on the bar 1 adjacent to the end elastic bars 4.
  • end bars 4 can be resisted elastically between the ends 5 which connect these bars 4 to the grid, it being understood that the stroke of the elastic movement 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 comprise, between the transverse bars 2 small studs or the like 11 projecting towards the outside of the grid.
  • the studs 11 will advantageously allow the separation of the water nets into several nets, as shown by the arrows 12, so that the grid will offer thus less resistance to water retention and will therefore absorb a maximum amount of water through the interstices between the bars.
  • the bars 2 transverse to the bars 1 form an extra thickness 13 on the ply of parallel bars 1, as can be seen in FIG. 2.
  • the abutment elements 9 projecting on either side of each end bar 4 constitute, in a way, an extension of the extra thickness 13.
  • the extra thickness 13 presented by the transverse bars 2 will constitute a barrier to the water flowing on the grid according to the arrow marked Y in FIG. 1, so that the water will be caused to pass through the grid between the interstices formed between the bars 1 and 2.
  • the water streams pass above the excess thickness 13 of the bars 2, they will then also be broken or separated by the studs 11 of the bars 1.
  • the opposite ends 1a of the parallel bars 1, as well as the opposite ends 4a of the last bars 4 which are elastically deformable, constitute free ends coming directly to abut on the internal edge 3a of the frame 3.
  • the water as soon as it passes the frame 3, necessarily falls into the holes formed between the frame 3, two adjacent free ends 1a of the bars 1 and a bar 2.
  • the free ends 1a, 4a advantageously limits the 'extent of the upper face of the grid, and therefore its capacity is reduced to allow the retention and sliding of water.
  • the grid does not have a solid outer edge capable of retaining the water flowing along the arrows X and / or Y.
  • the frame 3 being set up and fixed on a floor for example, it suffices to position the grid which has just been described to the right of the frame.
  • the elastic deformation of the bars 4 will be limited by the stop elements 9 cooperating with the corresponding stops 10 of the adjacent bar.
  • the elastic deformation of the bars 4 will advantageously be controlled, which will prevent any deterioration of 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 deformation stroke of the last bars of the grid, it being understood that the stops can be omitted.
EP95400335A 1994-02-18 1995-02-16 Schachtabdeckrost Expired - Lifetime EP0668409B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9401886A FR2716472B1 (fr) 1994-02-18 1994-02-18 Grille pour obturer des regards de chaussée.
FR9401886 1994-02-18

Publications (2)

Publication Number Publication Date
EP0668409A1 true EP0668409A1 (de) 1995-08-23
EP0668409B1 EP0668409B1 (de) 1998-12-09

Family

ID=9460236

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95400335A Expired - Lifetime EP0668409B1 (de) 1994-02-18 1995-02-16 Schachtabdeckrost

Country Status (8)

Country Link
EP (1) EP0668409B1 (de)
AT (1) ATE174397T1 (de)
BR (1) BR9500688A (de)
DE (1) DE69506454T2 (de)
DK (1) DK0668409T3 (de)
ES (1) ES2128002T3 (de)
FR (1) FR2716472B1 (de)
GR (1) GR3029643T3 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2740789A1 (fr) * 1995-11-03 1997-05-09 Prefaest Sa Caniveau et grille pour caniveau
EP0811732A1 (de) * 1996-06-07 1997-12-10 Prefaest S.A. Rost für Entwasserungsrinne zur schnellen Montierung und Demontierung
US7303669B2 (en) * 2002-08-02 2007-12-04 Norinco Grate for closing a drain and similar
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
US9290968B2 (en) 2012-12-18 2016-03-22 Canada Pipe Company ULC Locking mechanism for a cover

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2793502B1 (fr) 1999-05-11 2001-08-17 Norinco Bouche d'egout a couvercle et grille articules et verrouilles
DE102010031206B4 (de) 2010-07-09 2014-02-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Abstimmbares Fabry-Pérot-Filter und Verfahren zu seiner Herstellung
USD722678S1 (en) 2012-12-12 2015-02-17 Canada Pipe Company ULC Grate
FR3091883B1 (fr) 2019-01-23 2022-07-29 Ej Emea Dispositif de sécurisation du verrouillage d’un système d’obturation d’un regard
DE102022106289A1 (de) * 2022-03-17 2023-09-21 Aco Ahlmann Se & Co. Kg Abdeckrost einer Oberflächenentwässerungseinrichtung sowie Oberflächenentwässerungseinrichtung mit einem solchen Abdeckrost

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1548140A (de) * 1966-12-23 1968-11-29
CH629553A5 (en) * 1979-02-16 1982-04-30 Covers Self Level Ag Grating intended to be fitted on a frame
EP0085306A2 (de) * 1982-01-29 1983-08-10 Brickhouse Dudley Manufacturing Limited Einheiten bestehend aus Abdeckungen und Zargrahmen
GB2188664A (en) * 1986-04-03 1987-10-07 Brickhouse Dudley Mfg Grating and frame assembly
EP0401146A1 (de) * 1989-06-01 1990-12-05 Pont-A-Mousson S.A. Verbindungsmittel zur Zusammenfügung zweier Teile einer Verkehrsfläche

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1548140A (de) * 1966-12-23 1968-11-29
CH629553A5 (en) * 1979-02-16 1982-04-30 Covers Self Level Ag Grating intended to be fitted on a frame
EP0085306A2 (de) * 1982-01-29 1983-08-10 Brickhouse Dudley Manufacturing Limited Einheiten bestehend aus Abdeckungen und Zargrahmen
GB2188664A (en) * 1986-04-03 1987-10-07 Brickhouse Dudley Mfg Grating and frame assembly
EP0401146A1 (de) * 1989-06-01 1990-12-05 Pont-A-Mousson S.A. Verbindungsmittel zur Zusammenfügung zweier Teile einer Verkehrsfläche

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2740789A1 (fr) * 1995-11-03 1997-05-09 Prefaest Sa Caniveau et grille pour caniveau
EP0811732A1 (de) * 1996-06-07 1997-12-10 Prefaest S.A. Rost für Entwasserungsrinne zur schnellen Montierung und Demontierung
FR2749601A1 (fr) * 1996-06-07 1997-12-12 Prefaest Sa Grille de caniveau a montage et demontage rapide
US7303669B2 (en) * 2002-08-02 2007-12-04 Norinco Grate for closing a drain and similar
US9290968B2 (en) 2012-12-18 2016-03-22 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

Also Published As

Publication number Publication date
FR2716472A1 (fr) 1995-08-25
EP0668409B1 (de) 1998-12-09
ATE174397T1 (de) 1998-12-15
DE69506454T2 (de) 1999-07-08
DK0668409T3 (da) 1999-08-16
DE69506454D1 (de) 1999-01-21
FR2716472B1 (fr) 1996-05-03
ES2128002T3 (es) 1999-05-01
GR3029643T3 (en) 1999-06-30
BR9500688A (pt) 1995-10-24

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