EP3138967A1 - Drain structure - Google Patents
Drain structure Download PDFInfo
- Publication number
- EP3138967A1 EP3138967A1 EP15190618.7A EP15190618A EP3138967A1 EP 3138967 A1 EP3138967 A1 EP 3138967A1 EP 15190618 A EP15190618 A EP 15190618A EP 3138967 A1 EP3138967 A1 EP 3138967A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ring wall
- opening
- horizontal surface
- drain structure
- chamber
- 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.)
- Withdrawn
Links
Images
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
- E03F5/0407—Floor drains for indoor use
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K1/00—Wash-stands; Appurtenances therefor
- A47K1/14—Stoppers for wash-basins, baths, sinks, or the like
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/22—Outlet devices mounted in basins, baths, or sinks
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/28—Odour seals
-
- 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
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0405—Gullies for use in roads or pavements with an odour seal
-
- 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
- E03F5/041—Accessories therefor
-
- 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
- E03F2005/0416—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal
Definitions
- the present invention relates to a drain structure, and in particular to a drain structure that prevents insects or gases from entering indoors.
- Conventional pipe is used to guide water flow usually, for instance, water in bathroom is able to be guided to flow toward outdoors or sewage tank by the pipe when the pipe is installed in bathroom.
- water in bathroom is able to be guided to flow toward outdoors or sewage tank by the pipe when the pipe is installed in bathroom.
- the pipe connects with bathroom and outdoors (or sewage tank), thus insects or gases in outdoors or sewage tank enable enter indoors or bathroom via the pipe.
- insecticide is sprayed in indoors or bathroom usually for preventing insects from entering indoors or bathroom. Or use a plug to plug up the pipe opening, but it is inconvenience for usage.
- the primary object of the present invention is to provide a drain structure installed in a pipe used for preventing insects or gases in outdoors or sewage tank from entering indoors or bathroom via the pipe.
- a drain structure of the present invention includes a ring wall, a bottom plate coupled with the ring wall and a chamber located above the bottom plate, the ring wall surrounds the chamber and comprises an inner ring wall and an outer ring wall, the chamber comprises an opening used for liquid flow into the chamber, wherein at least one overflow hole mounted on the ring wall communicates with the inner ring wall and the outer ring wall, a liquid flow passage is formed by the opening, the chamber and the overflow hole.
- the overflow hole comprises a first opening located on the inner ring wall and a second opening located on the outer ring wall, the first opening communicates with the chamber and comprises a top edge, and the second opening comprises a bottom edge.
- a first horizontal surface passes through the top edge of the first opening, and a second horizontal surface passes through the bottom edge of the second opening, wherein the first horizontal surface is not higher than the second horizontal surface to form a first water tank between the second horizontal surface and the bottom plate.
- Liquid accumulated in the first water tank enables to prevent insects or gases in outdoors or sewage tank from entering indoors via the pipe.
- a drain structure 100 in accordance with a first embodiment of the present invention includes a ring wall 110, a bottom plate 120 and a chamber 130, wherein the ring wall 110 is coupled with the bottom plate 120 and surrounds the chamber 130, and the chamber 130 is located above the bottom plate 120.
- the ring wall 110 is formed as one piece with the bottom plate 120.
- the ring wall 110 is a conical ring wall.
- the ring wall 110 of the drain structure 100 comprises an inner ring wall 111 and an outer ring wall 112, and the chamber 130 comprises an opening 131 for liquid flow into the chamber 130.
- At least one overflow hole 113 is mounted on the ring wall 110 and communicates with the inner ring wall 111 and the outer ring wall 112, wherein a liquid flow passage A is formed by the opening 131, the chamber 130 and the overflow hole 113.
- the overflow hole 113 comprises a first opening 114 located on the inner ring wall 111 and a second opening 115 located on the outer ring wall 112, wherein the first opening 114 communicates with the chamber 130 and comprises a top edge 114a, and the second opening 115 comprises a bottom edge 115a.
- a first horizontal surface X1 passes through the top edge 114a of the first opening 114, and a second horizontal surface X2 passes through the bottom edge 115a of the second opening 115, wherein the first horizontal surface X1 is not higher than the second horizontal surface X2 to form a first water tank B between the second horizontal surface X2 and the bottom plate 120.
- the first horizontal surface X1 is lower than the second horizontal surface X2, and the top edge 114a of the first opening 114 is located in the first water tank B.
- the overflow hole 113 is a non-curved hole in this embodiment, and the overflow hole 113 is a straight through hole substantially.
- An included angle E is defined between a vertical line Y passed through the first horizontal surface X1 and a center line Z passed through the overflow hole 113, wherein the included angle E is an acute angle.
- the drain structure 100 further includes a supporting ring 150 coupled with the outer ring wall 112 of the ring wall 110.
- the supporting ring 150 is formed as one piece with the ring wall 110.
- a pipe 200 is mounted within a floor 300, wherein one end of the pipe 200 is located on floor (such as bathroom floor or kitchen floor). Illustrated by the example of bathroom, a supporting member 400 is usually mounted on one end of the pipe 200 and covered with a cover 500, wherein the cover 500 comprises a plurality of penetrating holes 510 communicating with the pipe 200. After opening the cover 500, the drain structure 100 is mounted on the supporting member 400, and the chamber 130 communicates with the pipe 200 by the overflow hole 113.
- liquid in bathroom is able to flow toward the chamber 130 via the penetrating holes 510 when covering the cover 500, and able to flow toward the pipe 200 via the liquid flow passage A formed by the chamber 130 and the overflow hole 113.
- the drain structure 100 is able to mount on the pipe 200 directly when the pipe 200 without the supporting member 400 and the cover 500.
- the liquid will accumulate in the first water tank B between the second horizontal surface X2 and the bottom plate 120 when the liquid stops flowing.
- the top edge 114a of the first opening 114 lodged in the liquid accumulated in the first water tank B makes the overflow hole 113 being sealed by the liquid in the first water tank B, thus the liquid in the first water tank B is able to prevent insects and gases in outdoors or sewage tank from entering indoors via the pipe 200.
- the drain structure 100 is also able to be mounted in a bleed hole 610 of a bathtub 600 (or water tank).
- the bleed hole 610 communicates with a tube 700, and the drain structure 100 is mounted in the bleed hole 610.
- the opening 131 of the chamber 130 is covered with a sealing lid 800 for preventing water lost from the liquid flow passage A of the drain structure 100 when water accumulates in the bathtub 600.
- a second embodiment of the present invention is illustrated in mentioned Figs 7 and 8 , the primary difference between the first and second embodiments is that the drain structure 100 further includes an external ring wall 140 coupled with the ring wall 110 in the second embodiment.
- a second water tank C is formed between the external ring wall 140 and the ring wall 110.
- the external ring wall 140 comprises an exposing terminal 141, and an overflow opening D is formed between the exposing terminal 141 and the ring wall 110.
- the ring wall 110 is formed as one piece with the external ring wall 140.
- a third horizontal surface X3 passed through the exposing terminal 141 is not lower than the second horizontal surface X2.
- the second horizontal surface X2 is lower than the third horizontal surface X3.
- the liquid will accumulate in the first water tank B between the second horizontal surface X2 and the bottom plate 120 and accumulate in the second water tank C between the external ring wall 140 and the ring wall 110 when the liquid stops flowing.
- Owing to the third horizontal surface X3 is not lower than the second horizontal surface X2, thus the overflow hole 113 is able to be sealed by the liquid in the first water tank B and the second water tank C to prevent insects and gases in outdoors or sewage tank from entering indoors via the pipe 200.
- the drain structure includes a ring wall 110 having an overflow channel 113 above a bottom plate 120, said overflow channel 113 having a lower inner opening 114 and upper outer opening 115.
- a first horizontal plane X1 passes through the lower inner opening 114 and a second horizontal plane X2 passes through the upper outer opening 115 while the second horizontal plane X2 is above the first horizontal plane X1 to thereby form a water tank between the bottom plate 120 and the second horizontal plane X2.
- This very basic embodiment may be supplemented by one or more of the features as described above.
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Sink And Installation For Waste Water (AREA)
- Sewage (AREA)
Abstract
A drain structure used for mounting in a pipe includes a ring wall, a bottom plate and a chamber, wherein at least one overflow hole mounted on the ring wall communicates with an inner ring wall and an outer ring wall. The overflow hole comprises a first opening and a second opening, wherein the first opening comprises a top edge, and the second opening comprises a bottom edge. A first horizontal surface passes through the top edge of the first opening, and a second horizontal surface passes through the bottom edge of the second opening, wherein the first horizontal surface is not higher than the second horizontal surface to form a first water tank between the second horizontal surface and the bottom plate. Liquid accumulated in the first water tank is able to prevent insects and gases in outdoors from entering indoors via the pipe.
Description
- The present invention relates to a drain structure, and in particular to a drain structure that prevents insects or gases from entering indoors.
- Conventional pipe is used to guide water flow usually, for instance, water in bathroom is able to be guided to flow toward outdoors or sewage tank by the pipe when the pipe is installed in bathroom. However, owing to the pipe connects with bathroom and outdoors (or sewage tank), thus insects or gases in outdoors or sewage tank enable enter indoors or bathroom via the pipe.
- Therefore, insecticide is sprayed in indoors or bathroom usually for preventing insects from entering indoors or bathroom. Or use a plug to plug up the pipe opening, but it is inconvenience for usage.
- The primary object of the present invention is to provide a drain structure installed in a pipe used for preventing insects or gases in outdoors or sewage tank from entering indoors or bathroom via the pipe.
- A drain structure of the present invention includes a ring wall, a bottom plate coupled with the ring wall and a chamber located above the bottom plate, the ring wall surrounds the chamber and comprises an inner ring wall and an outer ring wall, the chamber comprises an opening used for liquid flow into the chamber, wherein at least one overflow hole mounted on the ring wall communicates with the inner ring wall and the outer ring wall, a liquid flow passage is formed by the opening, the chamber and the overflow hole. The overflow hole comprises a first opening located on the inner ring wall and a second opening located on the outer ring wall, the first opening communicates with the chamber and comprises a top edge, and the second opening comprises a bottom edge. A first horizontal surface passes through the top edge of the first opening, and a second horizontal surface passes through the bottom edge of the second opening, wherein the first horizontal surface is not higher than the second horizontal surface to form a first water tank between the second horizontal surface and the bottom plate.
- Liquid accumulated in the first water tank enables to prevent insects or gases in outdoors or sewage tank from entering indoors via the pipe.
- In the drawings:
- Fig. 1
- is a perspective partial section view illustrating a drain structure in accordance with a first embodiment of the present invention.
- Fig. 2
- is a section view illustrating the drain structure in accordance with the first embodiment of the present invention.
- Fig. 3
- is a section view illustrating the drain structure in accordance with the first embodiment of the present invention.
- Fig. 4
- is a schematic view illustrating the drain structure in accordance with the first embodiment of the present invention.
- Fig. 5
- is a schematic view illustrating the drain structure in accordance with the first embodiment of the present invention.
- Fig. 6
- is a schematic view illustrating the drain structure in accordance with the first embodiment of the present invention.
- Fig. 7
- is a perspective partial section view illustrating a drain structure in accordance with a second embodiment of the present invention.
- Fig. 8
- is a section view illustrating the drain structure in accordance with the second embodiment of the present invention.
- With reference to
Figs. 1 ,2 and3 , adrain structure 100 in accordance with a first embodiment of the present invention includes aring wall 110, abottom plate 120 and achamber 130, wherein thering wall 110 is coupled with thebottom plate 120 and surrounds thechamber 130, and thechamber 130 is located above thebottom plate 120. Preferably, thering wall 110 is formed as one piece with thebottom plate 120. In this embodiment, thering wall 110 is a conical ring wall. - With reference to
Figs. 1 ,2 and3 , thering wall 110 of thedrain structure 100 comprises aninner ring wall 111 and anouter ring wall 112, and thechamber 130 comprises anopening 131 for liquid flow into thechamber 130. At least oneoverflow hole 113 is mounted on thering wall 110 and communicates with theinner ring wall 111 and theouter ring wall 112, wherein a liquid flow passage A is formed by theopening 131, thechamber 130 and theoverflow hole 113. Theoverflow hole 113 comprises afirst opening 114 located on theinner ring wall 111 and a second opening 115 located on theouter ring wall 112, wherein the first opening 114 communicates with thechamber 130 and comprises atop edge 114a, and thesecond opening 115 comprises abottom edge 115a. - With reference to
Figs. 1 and3 , a first horizontal surface X1 passes through thetop edge 114a of thefirst opening 114, and a second horizontal surface X2 passes through thebottom edge 115a of thesecond opening 115, wherein the first horizontal surface X1 is not higher than the second horizontal surface X2 to form a first water tank B between the second horizontal surface X2 and thebottom plate 120. In this embodiment, the first horizontal surface X1 is lower than the second horizontal surface X2, and thetop edge 114a of thefirst opening 114 is located in the first water tank B. - With reference to
Figs. 1 ,2 and3 , theoverflow hole 113 is a non-curved hole in this embodiment, and theoverflow hole 113 is a straight through hole substantially. An included angle E is defined between a vertical line Y passed through the first horizontal surface X1 and a center line Z passed through theoverflow hole 113, wherein the included angle E is an acute angle. - With reference to
Figs. 1 ,2 and3 , preferably, thedrain structure 100 further includes a supportingring 150 coupled with theouter ring wall 112 of thering wall 110. In this embodiment, the supportingring 150 is formed as one piece with thering wall 110. - With reference to
Figs. 2 and4 , apipe 200 is mounted within afloor 300, wherein one end of thepipe 200 is located on floor (such as bathroom floor or kitchen floor). Illustrated by the example of bathroom, a supportingmember 400 is usually mounted on one end of thepipe 200 and covered with acover 500, wherein thecover 500 comprises a plurality of penetratingholes 510 communicating with thepipe 200. After opening thecover 500, thedrain structure 100 is mounted on the supportingmember 400, and thechamber 130 communicates with thepipe 200 by theoverflow hole 113. - With reference to
Figs. 2 ,4 and5 , liquid in bathroom is able to flow toward thechamber 130 via the penetratingholes 510 when covering thecover 500, and able to flow toward thepipe 200 via the liquid flow passage A formed by thechamber 130 and theoverflow hole 113. In another situation, thedrain structure 100 is able to mount on thepipe 200 directly when thepipe 200 without the supportingmember 400 and thecover 500. - With reference to
Figs. 3 and5 , the liquid will accumulate in the first water tank B between the second horizontal surface X2 and thebottom plate 120 when the liquid stops flowing. In this embodiment, thetop edge 114a of thefirst opening 114 lodged in the liquid accumulated in the first water tank B makes theoverflow hole 113 being sealed by the liquid in the first water tank B, thus the liquid in the first water tank B is able to prevent insects and gases in outdoors or sewage tank from entering indoors via thepipe 200. - With reference to
Figs. 2 and6 , thedrain structure 100 is also able to be mounted in ableed hole 610 of a bathtub 600 (or water tank). Thebleed hole 610 communicates with atube 700, and thedrain structure 100 is mounted in thebleed hole 610. The opening 131 of thechamber 130 is covered with asealing lid 800 for preventing water lost from the liquid flow passage A of thedrain structure 100 when water accumulates in thebathtub 600. - A second embodiment of the present invention is illustrated in mentioned
Figs 7 and8 , the primary difference between the first and second embodiments is that thedrain structure 100 further includes anexternal ring wall 140 coupled with thering wall 110 in the second embodiment. A second water tank C is formed between theexternal ring wall 140 and thering wall 110. Theexternal ring wall 140 comprises anexposing terminal 141, and an overflow opening D is formed between theexposing terminal 141 and thering wall 110. In this embodiment, thering wall 110 is formed as one piece with theexternal ring wall 140. - With reference to
Figs. 7 and8 , a third horizontal surface X3 passed through theexposing terminal 141 is not lower than the second horizontal surface X2. In this embodiment, the second horizontal surface X2 is lower than the third horizontal surface X3. The liquid will accumulate in the first water tank B between the second horizontal surface X2 and thebottom plate 120 and accumulate in the second water tank C between theexternal ring wall 140 and thering wall 110 when the liquid stops flowing. Owing to the third horizontal surface X3 is not lower than the second horizontal surface X2, thus theoverflow hole 113 is able to be sealed by the liquid in the first water tank B and the second water tank C to prevent insects and gases in outdoors or sewage tank from entering indoors via thepipe 200. - In a very basic embodiment the drain structure includes a
ring wall 110 having anoverflow channel 113 above abottom plate 120, saidoverflow channel 113 having a lowerinner opening 114 and upperouter opening 115. A first horizontal plane X1 passes through the lowerinner opening 114 and a second horizontal plane X2 passes through the upperouter opening 115 while the second horizontal plane X2 is above the first horizontal plane X1 to thereby form a water tank between thebottom plate 120 and the second horizontal plane X2. This very basic embodiment may be supplemented by one or more of the features as described above. - While this invention has been particularly illustrated and described in detail with respect to the preferred embodiments thereof, it will be clearly understood by those skilled in the art that is not limited to the specific features shown and described and various modified and changed in form and details may be made without departing from the scope of the claims.
Claims (8)
- Drain structure (100) including a ring wall (110), a bottom plate (120) coupled with the ring wall (110) and a chamber (130) located above the bottom plate (120), the ring wall (110) surrounds the chamber (130) and comprises an inner ring wall (111) and an outer ring wall (112), the chamber (130) comprises an opening (131) for liquid flow into the chamber (130), wherein at least one overflow hole (113) mounted on the ring wall (110) communicates with the inner ring wall (111) and the outer ring wall (112), a liquid flow passage (A) is formed by the opening (131), the chamber (130) and the overflow hole (113), wherein the overflow hole (113) comprises a first opening (114) located on the inner ring wall (111) and a second opening (115) located on the outer ring wall (112), the first opening (114) communicates with the chamber (130) and comprises a top edge (114a), the second opening (115) comprises a bottom edge (115a), wherein a first horizontal surface (X1) passes through the top edge (114a) of the first opening (114), and a second horizontal surface (X2) passes through the bottom edge (115a) of the second opening (115), and the first horizontal surface (X1) is not higher than the second horizontal surface (X2) to form a first water tank (B) between the second horizontal surface (X2) and the bottom plate (120).
- Drain structure (100) according to claim 1 further including an external ring wall (140) coupled with the ring wall (110), wherein a second water tank (C) is formed between the external ring wall (140) and the ring wall (110), the external ring wall (140) comprises an exposing terminal (141), an overflow opening (D) is formed between the exposing terminal (141) and the ring wall (110), wherein a third horizontal surface (X3) passed through the exposing terminal (141) is not lower than the second horizontal surface (X2).
- Drain structure (100) according to claim 1 or 2, wherein the top edge (114a) of the first opening (114) is located in the first water tank (B).
- Drain structure (100) according to one of claims 1 to 3, wherein the ring wall (110) is a conical ring wall.
- Drain structure (100) according to one of claims 1 to 4, wherein an included angle (E) is defined between a vertical line passed (Y) through the first horizontal surface (X1) and a center line (Z) passed through the overflow hole (113), and the included angle (E) is an acute angle.
- Drain structure (100) according to one of claims 1 to 5 further including a supporting ring (150), wherein the supporting ring (150) is coupled with the outer ring wall (112) of the ring wall (110).
- Drain structure (100) according to one of claims 1 to 6, wherein the ring wall (110) is formed as one piece with the bottom plate (120).
- Drain structure (100) according to one of claims 1 to 6, wherein the ring wall (110) is formed as one piece with the external ring wall (140).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW104214492U TWM514486U (en) | 2015-09-07 | 2015-09-07 | Structure of drainage head |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3138967A1 true EP3138967A1 (en) | 2017-03-08 |
Family
ID=54784215
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15190618.7A Withdrawn EP3138967A1 (en) | 2015-09-07 | 2015-10-20 | Drain structure |
Country Status (6)
Country | Link |
---|---|
US (1) | US20170067244A1 (en) |
EP (1) | EP3138967A1 (en) |
JP (1) | JP3201438U (en) |
CN (1) | CN205012575U (en) |
CA (1) | CA2913360A1 (en) |
TW (1) | TWM514486U (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105888039A (en) * | 2016-04-14 | 2016-08-24 | 广西柳州中嘉知识产权服务有限公司 | Blocking and overflow preventing type floor drain |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1922160A1 (en) * | 1969-04-30 | 1970-11-05 | Wifa Verken Ab | Floor drain with water stop |
DE3536616A1 (en) * | 1985-10-15 | 1987-04-16 | Blum Albert | Odour seal for gulleys |
CN2337205Y (en) * | 1998-10-27 | 1999-09-08 | 范道桐 | Odour seal |
EP1319764A2 (en) * | 2001-12-10 | 2003-06-18 | Ghisafon s.n.c. di Adami Giovanni & C. | Syphon operating sump pit structure for manholes and the like |
-
2015
- 2015-09-07 TW TW104214492U patent/TWM514486U/en not_active IP Right Cessation
- 2015-09-24 CN CN201520747009.9U patent/CN205012575U/en not_active Expired - Fee Related
- 2015-09-25 JP JP2015004865U patent/JP3201438U/en not_active Expired - Fee Related
- 2015-10-01 US US14/872,227 patent/US20170067244A1/en not_active Abandoned
- 2015-10-20 EP EP15190618.7A patent/EP3138967A1/en not_active Withdrawn
- 2015-11-23 CA CA2913360A patent/CA2913360A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1922160A1 (en) * | 1969-04-30 | 1970-11-05 | Wifa Verken Ab | Floor drain with water stop |
DE3536616A1 (en) * | 1985-10-15 | 1987-04-16 | Blum Albert | Odour seal for gulleys |
CN2337205Y (en) * | 1998-10-27 | 1999-09-08 | 范道桐 | Odour seal |
EP1319764A2 (en) * | 2001-12-10 | 2003-06-18 | Ghisafon s.n.c. di Adami Giovanni & C. | Syphon operating sump pit structure for manholes and the like |
Also Published As
Publication number | Publication date |
---|---|
JP3201438U (en) | 2015-12-10 |
US20170067244A1 (en) | 2017-03-09 |
TWM514486U (en) | 2015-12-21 |
CA2913360A1 (en) | 2017-03-07 |
CN205012575U (en) | 2016-02-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2019132060A (en) | Drainage member | |
KR101699850B1 (en) | waste trap for bathtub | |
EP3138967A1 (en) | Drain structure | |
KR20140040440A (en) | Drain trap | |
EP2990550A1 (en) | Bug-proof and odor-proof drainage device and system thereof | |
JP2014132851A (en) | Regulator regulating quantity of dropping water for paddy field | |
JP2019218736A (en) | Deodorant cup | |
US9752314B2 (en) | Fluid outlet unit | |
JP5706659B2 (en) | Cleaning port lid in drainage pipeline | |
KR200387058Y1 (en) | Double exhausting apparatus for sewer | |
US20180016780A1 (en) | Internal Trap Drain with Adjustable Height Strainer and High Mass Seal | |
EP2884016A1 (en) | Drain with siphon | |
EP2287410A1 (en) | Siphon accessible to plumbing snake via feed opening | |
JP5901594B2 (en) | Drain trap | |
JP2018053653A (en) | Drainage chamber | |
TWI654356B (en) | Falling head and its falling head cover | |
JP2007303193A (en) | Drain trap, and member for adjusting height of seal water in it | |
JP6225300B1 (en) | Drain plug device | |
JP2007278032A (en) | Drainage structure of bathroom | |
US20170268211A1 (en) | Fast flow thread in lavatory drain | |
JP2014119111A (en) | Lower vent valve for drainage | |
TWI635232B (en) | Pressure balance valve | |
CN211646665U (en) | Liquid-sealed deodorant floor drain | |
JP2019002132A (en) | Draining device | |
CN111021482A (en) | Overflow suppressing member and drain pipe structure |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20170909 |