EP1041217A1 - Dispositif d'évacuation des eaux pluviales à débit régulé - Google Patents
Dispositif d'évacuation des eaux pluviales à débit régulé Download PDFInfo
- Publication number
- EP1041217A1 EP1041217A1 EP00470004A EP00470004A EP1041217A1 EP 1041217 A1 EP1041217 A1 EP 1041217A1 EP 00470004 A EP00470004 A EP 00470004A EP 00470004 A EP00470004 A EP 00470004A EP 1041217 A1 EP1041217 A1 EP 1041217A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- openings
- evacuation device
- rainwater
- cap
- roof
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 230000000717 retained effect Effects 0.000 claims description 6
- 230000000284 resting effect Effects 0.000 claims description 2
- 208000031968 Cadaver Diseases 0.000 description 6
- 235000021183 entrée Nutrition 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241001080024 Telles Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/0404—Drainage on the roof surface
- E04D13/0409—Drainage outlets, e.g. gullies
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/0404—Drainage on the roof surface
- E04D13/0409—Drainage outlets, e.g. gullies
- E04D2013/0413—Strainers for drainage outlets
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/0404—Drainage on the roof surface
- E04D13/0409—Drainage outlets, e.g. gullies
- E04D2013/0427—Drainage outlets, e.g. gullies with means for controlling the flow in the outlet
Definitions
- the present invention relates to a device evacuation of rainwater from roof surfaces terrace of the buildings and, more particularly, a closed or siphon discharge device.
- Siphoid flow is characterized by the absence entrainment of air in the water current which crosses the conduct; water occupies its entire section, hence a maximum flow.
- a cover of section greater than that of the orifice but lower than that of the tank; this cover that one can also call anti-vortex device, has for function to prevent air from entering the pipe evacuation and, as a result, the formation of a vortex air when the water level in the tank is above of the cover, so that the flow in the pipe is a siphon or closed flow.
- All these vertical exhaust pipes are connected by their lower end of a manifold, roughly horizontal, intended to conduct rainwater towards a sewerage or sewer system.
- the terraced roofs are surrounded by a low wall in the form of a rim intended to retain water in the event of strong rain and thus avoid its runoff on the facade of the building.
- the rainwater drainage system is supplemented by at least one device of the same type as those described above, but with the particularity to have a rim in the shape of a hollow cylinder of outer diameter slightly smaller than the diameter inside the upper end of the tank so that come to nest there.
- the height protruding from this ledge is slightly less than the admissible water height on the roof, which is determined by mechanical strength of the frame or the slab which supports it.
- This drainage device intended to serve as an overflow connected by its lower end to a pipe specific to direct any content to a gutter at the base of the building.
- the overflow remains unused and rainwater collected by the roof are evacuated by the devices flush with the roof surface: at low flow all first, with air entrainment, as long as the water level in the bin has not reached the cover then, if the rains increase or persist, when the height of the water in the tank is more important and than this submerges the cover, without entrainment of air and closed or siphon discharge. Flow in pipes increases accordingly. In such circumstances, the water level on the roof remains below the height of the edge of the drainage device used in overflow.
- every flush evacuation devices work very quickly in closed flow and, despite the flow important in the pipes, the water level rises very quickly on the roof. When it reaches a height greater than the height of the rim of the forming device overflow, the excess water is discharged by it to the bottom of the building and the water level on the roof remains constant at the height of the rains.
- the flow of each flush evacuation device is maximum and the sum of these flows can create an overload on the level of main collector.
- buffer tanks are also linked, downstream, to sewerage or sewer pipes in the service public.
- the object of the present invention is to remedy these disadvantages by proposing a device for evacuating rainwater, with siphon or closed flow, which may evacuate water from terraced roofs, regulating the flow of water flow so as not to overload the collective pipes during exceptional rains, while avoiding the construction of buffer tanks.
- the principle of the invention is to produce a device for evacuating rainwater at a flow rate predetermined and constant corresponding to a very low water level on the roof until it reaches, in the case storms for example, a critical level on said roof which results in the submersion of said device and evacuation at high flow, especially in closed flow, of water excess on the roof. Below this critical level, determined by the maximum admissible water height on the roof, the evacuation rate becomes again predetermined and constant until the water runs out detention. In this way, the water from a thunderstorm that will have fallen in a few tens of minutes can be eliminated, at one moderate flow, in several hours without overloading sewers.
- the invention relates to a device drainage of rainwater from the surface of a roof on a building terrace with a drainage pipe vertical with the upper end assembled coaxially with the bottom of a section collecting tank greater than that of the pipe inlet and the upper edge of which is placed higher that said orifice, a section anti-vortex device intermediate between that of the drain pipe and that of the collector and height less than the depth of the bin, a cap-shaped strike guard, characterized in that the hat is extended inside by a roughly cylindrical part coaxial with the body of the strike guard, longer than the height of the hat, intended for fit inside the collecting tank in such a way the lower edge of the hat rests on the brim upper part of the collecting tank or at its level.
- figure 1 represents a rainwater evacuation device according to the invention installed in an opening 1 practiced in a roofing slab T.
- This device comprises a discharge pipe 2 vertical surmounted by a collecting tank 3 whose edge upper 4 rests at the bottom of a cavity 5 formed in the thickness of the roof slab T and surrounding widely opening 1.
- the collecting tank 3 has an upper section to that of the inlet 6 of the discharge pipe 2.
- An anti-vortex device 7 known from the state of the technique, the section of which is intermediate between that of drain pipe 2 and that of the collecting tank 3 and of which the height is less than the depth of said tank collector, is fixed or simply placed at the bottom of the tank on the inlet of the drain pipe 2.
- the lower part of hat 9 of the strike guard 8 then comes to rest on the bottom of the cavity 5.
- All the elements making up the device such as the drain hose 2, the tank manifold 3, anti-vortex device 7 and the strike guard 8 are assembled coaxially along an axis A-A '.
- FIG. 2 shows a strike guard 8 in section diametral according to the invention. This drawing shows partially the two elements constituting the strike guard : the cap 9 and the body 10.
- Cap 9 is curved and is formed, on about almost its entire height, by radial strips 12 which delimit between them 13 long radial openings and narrow. At its lower part, a solid border 15 keeps the lower ends of the slats 12 on a circumference by preventing them from shifting one by compared to each other.
- the upper part of the cap 9, which is roughly flat, as shown in Figure 3, has openings radials arranged in three concentric rings: starting from the center, the first crown wears openings 17, the second door of the openings 16 and the third of the openings 14.
- the body 10 of the strike guard 8 is provided with openings vertical on two levels.
- the 18 most openings high are made in slots and each of them opens upwards on each of the openings 14 of the hat. They thus communicate the upper part external of the cap 9 through the openings 14 both with inside the hat, i.e. with the volume included between the hat and upper body 10, and also with inside the body 10.
- the height of these openings 18, in particular the position of their lower part, determines, when the strike guard 8 is installed on the tank collector 3, a level of overflow and, by that, the maximum height of water retained on the roof T ( Figure 1).
- Roughly rectangular openings 19 are formed around the entire periphery of the body 10, at a level lower than that of the openings 18.
- the top of these openings 19 is substantially located halfway up the cap 9 and the sum of their passage sections is substantially equivalent to the cross section of the pipe 2.
- the body 10 of the strike guard has a slight taper directed inwards as well as a chamfer external device at its lower end for facilitate its introduction at seal 11 in the collector 3.
- the device is installed on a T roof.
- the rain falling on the roof T flows first in the cavity 5 until submerging the solid border 15 which also has the function of retaining in the cavity 5 the granular detritus such as sand. Water flows through then the openings 13 formed by the strips 12 of the cap 9 and comes to fill the cavity 5 up to the level lower openings 19, the seal 11 preventing a leak to the collecting tank 3. Any sheets dead are retained by the blades 12.
- the water will then cross the openings 19 to flow into the collecting tank 3 then, by the anti-vortex device 7, towards the evacuation pipe 2.
- the water level on the roof is almost zero and air is entrained in the Drain pipe ; the cavity 5 is filled.
- the openings 19 are saturated and provide a constant and limiting flow water drain.
- the sections of the openings 19 are such that the flow in the discharge pipe 2 is not not closed or siphoid, i.e. there is still air entrainment. This flow remains constant and the height of water on the roof T can increase until reaching a maximum C-C 'predetermined which corresponds to the lower part openings 18 in slots of the strike guard 8.
- the hat of the strike guard is submerged, the water then passes through all openings 14, 18, 16 and 17, the water flow increases and the flow becomes, in the discharge pipe 2, siphoid or closed, that is to say without air entrainment. The flow is then maximum.
- the roof thus equipped, makes retention tank office which empties offline by in relation to precipitation.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
- Emergency Lowering Means (AREA)
- Laser Beam Processing (AREA)
- Massaging Devices (AREA)
- Safety Valves (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Centrifugal Separators (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Road Signs Or Road Markings (AREA)
- Catching Or Destruction (AREA)
Abstract
Description
- le chapeau du garde-grève est pourvu de lamelles radiales sur toute sa périphérie délimitant des ouvertures longues et étroites et sa partie supérieure est faiblement bombée,
- les ouvertures longues et étroites du chapeau en couvrent à peu près toute la hauteur,
- la partie supérieure faiblement bombée du chapeau est pourvue de larges ouvertures radiales disposées selon trois couronnes concentriques,
- la surface totale des ouvertures du chapeau du garde-grève est très supérieure à la surface de la section de l'orifice d'entrée du tuyau d' évacuation,
- le corps du garde-grève est muni, dans sa partie supérieure et sur toute sa périphérie, d'ouvertures verticales à peu près rectangulaires,
- les ouvertures verticales à peu près rectangulaires du corps du garde-grève sont réalisées sur deux niveaux suivant deux lignes circonférentielles parallèles,
- chacune des ouvertures verticales à peu près rectangulaires du niveau le plus élevé débouche, vers le haut, sur chacune des ouvertures radiales de l'une des couronnes concentriques du chapeau, plus particulièrement sur celle de plus grand diamètre,
- les ouvertures verticales du niveau le plus élevé déterminent, lorsque le garde-grève est installé sur le bac collecteur, la hauteur d'eau maximale retenue sur le toit,
- l'axe médian qui traverse deux ouvertures à peu près rectangulaires, diamétralement opposées, du niveau le plus bas, est dans le plan de la toiture lorsque le garde-grève est en place sur le bac collecteur,
- le bord supérieur du bac collecteur est plus bas que le plan de la toiture,
- le bac collecteur est installé dans une cavité de plus grand diamètre que celui du chapeau du garde-grève,
- la cavité a une profondeur telle que, le garde-grève étant installé sur le bac collecteur et reposant sur le fond de ladite cavité, la base des ouvertures verticales les plus élevées du corps du garde-grève corresponde au niveau maximum de l'eau à retenir sur la toiture,
- le rapport de la surface totale des ouvertures verticales les plus basses du corps du garde-grève à la surface de la section de l'orifice d'entrée du tuyau d'évacuation est sensiblement équivalent à 1,
- l'étanchéité entre le bord supérieur du bac collecteur et le corps du garde-grève est assurée par un joint, de préférence un joint torique,
- la partie inférieure du corps du garde-grève présente une légère conicité vers l'intérieur.
- La figure 1 montre, en coupe transversale partielle, un dispositif d'évacuation des eaux pluviales suivant l'invention installé sur une toiture de bâtiment,
- la figure 2 montre, en coupe diamétrale, un garde-grève selon l'invention,
- la figure 3 montre le chapeau du garde-grève.
Claims (16)
- Dispositif d'évacuation des eaux pluviales de la surface d'une toiture (T) en terrasse de bâtiment comportant un tuyau d'évacuation (2) vertical dont l'extrémité supérieure est assemblée coaxialement avec le fond d'un bac collecteur (3) de section supérieure à celle de l'orifice d'entrée (6) du tuyau d'évacuation (2) et dont le bord supérieur (4) est placé plus haut que ledit orifice, un dispositif anti-vortex (7) de section intermédiaire entre celle du tuyau d'évacuation (2) et celle du bac collecteur (3) et de hauteur inférieure à la profondeur du bac, un garde-grève (8) à chapeau (9) de forme bombée, caractérisé en ce que le chapeau (9) se prolonge à l'intérieur par une partie à peu près cylindrique coaxiale ou corps (10) du garde-grève plus longue que la hauteur du chapeau (9), destinée à s'emboíter à l'intérieur du bac collecteur (3) de telle façon que le bord inférieur du chapeau (9) repose sur le bord supérieur (4) du bac collecteur (3) ou à son niveau.
- Dispositif d'évacuation des eaux pluviales selon la revendication 1, caractérisé en ce que le chapeau (9) du garde-grève (8) est pourvu de lamelles (12) radiales sur toute sa périphérie délimitant des ouvertures (13) longues et étroites et que sa partie supérieure est faiblement bombée.
- Dispositif d'évacuation des eaux pluviales selon la revendication 2, caractérisé en ce que les ouvertures (13) longues et étroites du chapeau (9) s'étendent sur à peu près toute la hauteur dudit chapeau.
- Dispositif d'évacuation des eaux pluviales selon la revendication 2, caractérisé en ce que la partie supérieure du chapeau (9) est pourvue de larges ouvertures radiales (17, 16, 14) disposées selon trois couronnes concentriques.
- Dispositif d'évacuation des eaux pluviales selon la revendication 4, caractérisé en ce que la surface totale des ouvertures (13, 17, 16, 14) du chapeau (9) du garde-grève (8) est très supérieure à la surface de la section de l'orifice d'entrée (6) du tuyau d'évacuation (2).
- Dispositif d'évacuation des eaux pluviales selon la revendication 1, caractérisé en ce que le corps (10)) du garde-grève (8) est muni, dans sa partie supérieure et sur toute sa périphérie, d'ouvertures verticales (18, 19) à peu près rectangulaires.
- Dispositif d'évacuation des eaux pluviales selon la revendication 6, caractérisé en ce que les ouvertures verticales (18, 19) à peu près rectangulaires sont réalisées sur deux niveaux suivant deux lignes circonférentielles parallèles.
- Dispositif d'évacuation des eaux pluviales selon les revendications 4, 6 et 7, caractérisé en ce que chacune des ouvertures verticales (18) à peu près rectangulaires du niveau le plus élevé débouchent vers le haut sur chacune des ouvertures (14) radiales de l'une des couronnes concentriques du chapeau (9), plus particulièrement sur celle de plus grand diamètre.
- Dispositif d'évacuation des eaux pluviales selon la revendication 8, caractérisé en ce que les ouvertures verticales (18) du niveau le plus élevé déterminent la hauteur maximale d'eau retenue sur le toit (T).
- Dispositif d'évacuation des eaux pluviales selon l'une quelconque des revendications 6 à 9, caractérisé en ce qu'un axe médian (B-B') qui traverse deux ouvertures verticales (19) à peu près rectangulaires diamétralement opposées du niveau le plus bas est dans le plan (P) de la toiture (T) .
- Dispositif d'évacuation des eaux pluviales selon l'une quelconque des revendications précédentes, caractérisé en ce que le bord supérieur (4) du bac collecteur (3) est plus bas que le plan (P) de la toiture (T).
- Dispositif d'évacuation des eaux pluviales selon l'une quelconque des revendications précédentes, caractérisé en ce que le bac collecteur (3) est installé dans une cavité (5) de plus grand diamètre que le chapeau (9) du garde-grève (8).
- Dispositif d'évacuation des eaux pluviales selon l'une quelconque des revendications précédentes, caractérisé en ce que la cavité (5) a une profondeur telle que, le garde-grève (8) étant installé sur le bac collecteur (3) et reposant sur le fond de ladite cavité (5), la base des ouvertures verticales (18) les plus élevées du corps (10) du garde-grève (8) corresponde au niveau maximum (C-C') de l'eau à retenir sur la toiture (T) .
- Dispositif d'évacuation des eaux pluviales selon l'une quelconque des revendications 10 à 13, caractérisé en ce que le rapport de la surface totale des ouvertures verticales (19) les plus basses du corps (10) du garde-grève (8) à la surface de la section de l'orifice d'entrée (6) du tuyau d'évacuation (2) est sensiblement équivalent à 1.
- Dispositif d'évacuation des eaux pluviales selon l'une quelconque des revendications 1 à 14 , caractérisé en ce que l'étanchéité entre le bord supérieur (4) du bac collecteur (3) et le corps (10) du garde-grève (8) est assurée par un joint (11), de préférence un joint torique.
- Dispositif d'évacuation des eaux pluviales selon l'une quelconque des revendications précédentes, caractérisé en ce que la partie inférieure du corps (10) du garde-grève (8) présente une légère conicité vers l'intérieur.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9904352 | 1999-04-01 | ||
| FR9904352A FR2791722B1 (fr) | 1999-04-01 | 1999-04-01 | Dispositif d'evacuation des eaux pluviales a debit regule |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1041217A1 true EP1041217A1 (fr) | 2000-10-04 |
| EP1041217B1 EP1041217B1 (fr) | 2005-05-11 |
Family
ID=9544132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00470004A Expired - Lifetime EP1041217B1 (fr) | 1999-04-01 | 2000-03-17 | Dispositif d'évacuation des eaux pluviales à débit régulé |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1041217B1 (fr) |
| AT (1) | ATE295459T1 (fr) |
| DE (1) | DE60019999T2 (fr) |
| DK (1) | DK1041217T3 (fr) |
| ES (1) | ES2241564T3 (fr) |
| FR (1) | FR2791722B1 (fr) |
| PT (1) | PT1041217E (fr) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1510632A3 (fr) * | 2003-08-21 | 2006-04-05 | Oekag Wassertechnik (Schweiz) AG | Dispositif d'écoulement |
| CN101115888B (zh) * | 2005-02-04 | 2010-09-29 | 库贝科体系有限公司 | 地下雨水系统 |
| GB2502515A (en) * | 2012-05-11 | 2013-12-04 | Alumasc Group Plc | Roof outlet drainage flow restrictor for limiting the speed at which water leaves a flat roof. |
| CN108222233A (zh) * | 2018-03-21 | 2018-06-29 | 中国建筑股份有限公司 | 一种用于建设海绵城市的雨水口结构及其施工方法 |
| US10822785B1 (en) * | 2019-06-14 | 2020-11-03 | Steven Berry | Filtering drain cover |
| US11293171B2 (en) * | 2019-06-14 | 2022-04-05 | Steven Berry | Filtering drain cover |
| US12044413B2 (en) * | 2017-11-22 | 2024-07-23 | Chad Michael Cusimano | Cooking appliance with integral drain |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2927638A1 (fr) * | 2008-02-15 | 2009-08-21 | Eroa Sarl | Dispositif de regulation de l'evacuation des eaux pluviales d'une surface de toiture |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1469303A (en) * | 1922-11-14 | 1923-10-02 | Hess Arthur | Floor drain |
| FR2031257A5 (fr) * | 1969-02-01 | 1970-11-13 | Dynamit Nobel Ag | |
| US4112691A (en) * | 1977-06-20 | 1978-09-12 | Kontekla Oy. | Rain water roof outlet or similar for a building |
| GB2269402A (en) * | 1992-08-07 | 1994-02-09 | Fullflow Systems Ltd | Drain outlet |
| FR2747144A1 (fr) * | 1996-04-05 | 1997-10-10 | Pont A Mousson | Dispositif d'evacuation des eaux pluviales de la surface d'une toiture de batiment |
-
1999
- 1999-04-01 FR FR9904352A patent/FR2791722B1/fr not_active Expired - Lifetime
-
2000
- 2000-03-17 ES ES00470004T patent/ES2241564T3/es not_active Expired - Lifetime
- 2000-03-17 EP EP00470004A patent/EP1041217B1/fr not_active Expired - Lifetime
- 2000-03-17 DK DK00470004T patent/DK1041217T3/da active
- 2000-03-17 AT AT00470004T patent/ATE295459T1/de not_active IP Right Cessation
- 2000-03-17 PT PT00470004T patent/PT1041217E/pt unknown
- 2000-03-17 DE DE60019999T patent/DE60019999T2/de not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1469303A (en) * | 1922-11-14 | 1923-10-02 | Hess Arthur | Floor drain |
| FR2031257A5 (fr) * | 1969-02-01 | 1970-11-13 | Dynamit Nobel Ag | |
| US4112691A (en) * | 1977-06-20 | 1978-09-12 | Kontekla Oy. | Rain water roof outlet or similar for a building |
| GB2269402A (en) * | 1992-08-07 | 1994-02-09 | Fullflow Systems Ltd | Drain outlet |
| FR2747144A1 (fr) * | 1996-04-05 | 1997-10-10 | Pont A Mousson | Dispositif d'evacuation des eaux pluviales de la surface d'une toiture de batiment |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1510632A3 (fr) * | 2003-08-21 | 2006-04-05 | Oekag Wassertechnik (Schweiz) AG | Dispositif d'écoulement |
| CN101115888B (zh) * | 2005-02-04 | 2010-09-29 | 库贝科体系有限公司 | 地下雨水系统 |
| GB2502515A (en) * | 2012-05-11 | 2013-12-04 | Alumasc Group Plc | Roof outlet drainage flow restrictor for limiting the speed at which water leaves a flat roof. |
| GB2502515B (en) * | 2012-05-11 | 2017-10-11 | The Alumasc Group Plc | Roof outlet flow restrictor |
| US12044413B2 (en) * | 2017-11-22 | 2024-07-23 | Chad Michael Cusimano | Cooking appliance with integral drain |
| CN108222233A (zh) * | 2018-03-21 | 2018-06-29 | 中国建筑股份有限公司 | 一种用于建设海绵城市的雨水口结构及其施工方法 |
| CN108222233B (zh) * | 2018-03-21 | 2023-12-08 | 中国建筑股份有限公司 | 一种用于建设海绵城市的雨水口结构及其施工方法 |
| US10822785B1 (en) * | 2019-06-14 | 2020-11-03 | Steven Berry | Filtering drain cover |
| US11293171B2 (en) * | 2019-06-14 | 2022-04-05 | Steven Berry | Filtering drain cover |
Also Published As
| Publication number | Publication date |
|---|---|
| DE60019999T2 (de) | 2006-02-23 |
| FR2791722B1 (fr) | 2001-04-27 |
| DE60019999D1 (de) | 2005-06-16 |
| DK1041217T3 (da) | 2005-08-15 |
| FR2791722A1 (fr) | 2000-10-06 |
| ATE295459T1 (de) | 2005-05-15 |
| PT1041217E (pt) | 2005-08-31 |
| ES2241564T3 (es) | 2005-11-01 |
| EP1041217B1 (fr) | 2005-05-11 |
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