CN102454197B - Pipe branch section for downpipes - Google Patents
Pipe branch section for downpipes Download PDFInfo
- Publication number
- CN102454197B CN102454197B CN201110331567.3A CN201110331567A CN102454197B CN 102454197 B CN102454197 B CN 102454197B CN 201110331567 A CN201110331567 A CN 201110331567A CN 102454197 B CN102454197 B CN 102454197B
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- Prior art keywords
- turn
- around zone
- section
- sewage
- pipe
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- 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
- E03C1/122—Pipe-line systems for waste water in building
-
- 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
- E03C2001/1206—Pipes with specific features for influencing flow characteristics
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sink And Installation For Waste Water (AREA)
- Sewage (AREA)
Abstract
The piece (1) has a deflection section (4) attached to an upper downpipe section (2). A supply section (7) opens into the piece in a region of the deflection section. The deflection section has a deflection region (8) for deflecting sewage with respect to a drop direction (F) and another deflection region (9) successively arranged with respect to the former deflection region in the drop direction. The latter deflection region runs inclined to the drop direction, where the sewage is fed from the former deflection region to the latter region.
Description
Technical field
The present invention relates to a kind of pipe branches for leader as described in the preamble according to claim 1.
Background technology
By the pipe branches of the known a kind of this type of prior art.Such as CH 418067 shows such pipe branches.
Applicant also sells a kind of pipe branches with Geberit Sovent name, wherein, here relate to a kind of drip molding, it is that sewage leader provides a kind of cost efficient with solution that is technology maturation in order to such as be sent into by sewage in high-lager building at multistory building.
According to CH 418067 product G eberit Sovent and be also that the application of pipe branches has created good result.But, improve about drainage performance, height of drop and the requirement to the size of such pipe fitting during this period.
Particularly to stop the negative pressure in input pipe as far as possible at run duration.Negative pressure is produced by the water flowed in leader and particularly can be so big when height of drop is large, so that can draw water from the trap be present in input pipe.Therefore, trap do not recur as at leader and corresponding sewage discharging mouth as the effect of the closure elements between lavatory scavenge port etc.
By arranging the deceleration component or guide element that make to slow down along the water of falling direction flowing in input pipe region or turn to, the formation of negative pressure such as can be reduced.But this but gives and brings a kind of negative effect to the performance of pipe branches or volume flow, and result causes the pipe branches that must use and have more Large Diameter Pipeline, to reach a kind of comparable performance.This is again undesirable, because require larger installing space like this.
Summary of the invention
From this prior art, task of the present invention is to provide a kind of pipe branches, and this pipe branches overcomes the shortcoming of prior art.Particularly will provide a kind of pipe branches, under physical dimension same case, its performance is improved, or under physical dimension diminishes situation, its property retention is constant.
Such task will by solving according to pipe branches according to claim 1.According to this, a kind of pipe branches for leader is proposed, sewage can be guided along falling direction on one wall with a kind of form of water jacket in leader, this pipe branches comprise a top leader section with entrance, one immediately top leader section turn to section and one immediately to turn to section and with the bottom leader section of outlet, and at least one is turning to the input pipe section of access tube branches in segments area.Turn to section to comprise first turn-around zone and second turn-around zone and then arranged for the first turn-around zone along falling direction read fortune that sewage is turned to relative to falling direction, sewage imports the second turn-around zone from the first turn-around zone.Second turn-around zone extends in an inclined manner relative to falling direction.Due to this inclination, sewage can fully slow down, and will not improve the resistance of pipe branches, like this under physical dimension same case allow improve volume flow or under physical dimension diminishes situation property retention constant.
Preferably, the second turn-around zone is arranged like this relative to the first turn-around zone, so that sewage is reflected substantially by the second turn-around zone.The effect of the turn-around zone tilted also is improved further by reflection.
Preferably, the second turn-around zone is provided by the wall of pipe branches.This can produce especially simply.
Preferably, the second turn-around zone has one at 2 ° to the angle within the scope of 12 ° relative to falling direction.
Second turn-around zone has one at 30 ° to the angle within the scope of 50 ° relative to the direction of the sewage turned to by the first turn-around zone, particularly 40 °.Once good result was obtained with such angle.
Preferably, the first turn-around zone is arranged like this, so that water jacket leaves the first turn-around zone as the jet turned to, and then sewage strike with pattern with in the second turn-around zone of angle of inclination setting.
Preferably, the second turn-around zone is formed in the mode that at least blockiness is bending, particularly around an axis perpendicular to falling direction.Can improve further thus and turn to.
Preferably, the first turn-around zone sees such setting along falling direction, so that the first turn-around zone extends on the whole span width of top leader section, thus whole sewage quantity all can turn to.
Preferably, turn to section to comprise a flow area and a port region, in this port region, input pipe access tube branches, wherein, port region is separated with flow area by a dividing wall, thus stops sewage to enter port region from flow area.
Preferably, the first turn-around zone comprises a separately seamed edge, should separately arrange like this by seamed edge, so that sewage flows away through port region or through dividing wall.This configuration stops sewage to enter port region.
Preferably, dividing wall has a passage, can be equilibrated at the pressure reduction between flow area and port region via this passage, and wherein, passage is preferably arranged like this, so that sewage can not pass passage.Pressure reduction in systems in which can be balanced thus well.
Preferably, a current divider is seen to be arranged on along falling direction and is turned to section upstream, utilizes current divider to scratch water jacket.
Preferably, pipe branches comprises at least one bypass pipe, and this bypass pipe is preferably arranged like this, so that can be equilibrated at the pressure reduction between top leader section and port region and/or between top leader section and bottom leader section.
Other form of implementation provides in the sub claims.
Accompanying drawing explanation
By accompanying drawing, the preferred embodiment of the present invention is described below, these forms of implementation only for illustration of, and should not think restrictive sense.In the accompanying drawings:
Fig. 1 according to the sectional view of the pipe branches of the first form of implementation of the present invention,
Fig. 2, according to the sectional view of the pipe branches of Fig. 1, has the current divider according to the second form of implementation and bypass pipe, and
Fig. 3, according to the sectional view of the pipe branches of Fig. 1, has the current divider according to the 3rd form of implementation and bypass pipe.
Detailed description of the invention
Fig. 1 illustrates the pipe branches 1 in a sewage leader being used in tier building.Pipe branches 1 is for being connected to leader by the sewage input pipe of a floor, and leader is extended to floor mostly by floor on whole depth of building.Correspondingly, input pipe is connected with leader via pipe branches 1.
Pipe branches 1 comprise a top leader section 2, with an entrance 3 immediately top leader section 2 turn to section 4 and one immediately to turn to section 4 and with the bottom leader section 5 of an outlet 6, and at least one input pipe section 7, extra sewage imports leader via this input pipe section.Top leader section 2, section 4 and bottom leader section 5 is turned to be surrounded by a wall 11,20.The top leader section 2 of pipe branches 1 is connected with a top leader (not shown here), and bottom leader section 5 connects with a bottom leader (same not shown here).Input pipe section 7 keeps being connected with the soil pipe of the such as a set of house in a tier building at this and seals relative to piping via a trap there, as mentioned in the beginning.Connection between pipe branches 1 and leader or input pipe preferably connects as being welded to connect realization via a kind of monolithic.
Leader is so arranged, so that its central axis V is on vertical line.Therefore sewage vertically V along falling direction F flow and on the wall 20 of leader or leader section 2,3 in formation one around cylindrical moisture film or water jacket W.In this respect should it is mentioned that, the sewage substantially be made up of water and solids in flow effect and water there is no essential distinction.
There is an air column L in the central area of leader, extend in the leader of this air column between two pipe branches 1.Due to the flow motion of water jacket W, air column L is in pulse feature motion, and the efficiency of one of them excessive pulse to pipe branches 1 has a kind of negative effect.
The diameter of leader will so be determined, so that water flows away as water jacket W when maximum volume flow, wherein also has air column L.If volume flow is so big, so that the whole cross section of leader is all that it drains used, so via input pipe 7 reflux risk and/or via pipe branches 1 flow backwards risk be very large.
Sewage by top leader via entrance 3 along the falling direction F ingress pipe branches 1 substantially conformed to vertical line V.In this effluent stream through top leader section 2 and by turning to section 4 to turn to according to explanation below.In the region turning to section 4, extra sewage introduces leader via input pipe section 7.Once by turning to section 4, the sewage turned to mixes with extra sewage and via bottom leader section 5 or export 6 and leave pipe branches 1 and enter bottom leader.Due to flow behavior, then once water is through certain distance, in the leader of bottom, also produce an a water jacket W and air column L.
Turning to section 4 for slowing down the flow velocity of water in input pipe 7 region, also being formed for limiting negative pressure in input pipe 7, thus stop input pipe 7 and and then its trap emptying.Section 4 is turned to comprise first turn-around zone 8 that sewage W is turned to from falling direction F here.Second turn-around zone 9 is also set in addition, it relative to falling direction F or relative to vertical line V with an angle or tilt.Sewage is so turned to by the first turn-around zone 8, so that sewage redirect in the second turn-around zone 9, again experiences turn at this sewage.Preferably, after the second turn-around zone 9 is seen directly along falling direction and/or is immediately follows arranged on the first turn-around zone 8.Term " directly " or " immediately " can be regarded as, and sewage is directly directed to the second turn-around zone 9 from the first turn-around zone 8.At this, the second turn-around zone 9 tilts along vertical line V read fortune for the first turn-around zone 8.
In principle, via the significantly deceleration turning to section 4 to realize sewage, to make the negative pressure relevant to the flow velocity of water in input pipe keep little as far as possible.But meanwhile, the resistance of pipe branches 1 should so not improve, so that causes sewage to flow backwards in the region turning to section 4, and this makes the performance of pipe branches 1 or efficiency minimize greatly.In other words, sewage high-drag that is good or large big retarding can be caused must to be compensated, to obtain comparable volume flow or comparable performance by increasing pipe diameter.But this is but disadvantageous in physical dimension.In order to prevent this negative effect, select dual turning to, wherein, resistance just improves fiddling via pipe branches 1, and does not have a negative impact to the deceleration of sewage.
First turn-around zone 8 has a preferably angle beta of 45 ° relative to falling direction F or vertical line V.In other form of implementation, angle beta also can be less than or greater than 45 °, such as at 30 ° within the scope of 60 °, particularly at 40 ° within the scope of 50 °.First turns to and makes the large big retarding of sewage and make it turn to towards the second turn-around zone 9.
Preferably, the first turn-around zone 8 sees such setting along falling direction F, so that it extends on the whole span width of top leader section 2, thus the whole discharge of sewage all strikes in the first turn-around zone 8.In other words, the first turn-around zone 8 extends on the whole cross section of top leader section 2.Such first turn-around zone 8 causes forming jet S by moisture film W.Therefore, sewage clashes into the second turn-around zone 9 with the form of jet S.
So arrange relative to jet S at this relative to falling direction F or relative to the second turn-around zone 9 that the angle [alpha] of vertical line V is arranged with one, so that the jet S struck in the second turn-around zone 9 is reflected as far as possible in the best way.In the current situation, expression way " reflection " can be regarded as, jet S leaves this second turn-around zone again to strike angle similar in the second turn-around zone 9 to it, but is at least turned to like this by the second turn-around zone 9, thus the pressure loss then resistance by turning to maintenance little as far as possible.Performance i.e. maximum volume flow are improved under identical deceleration situations thus, the negative pressure not change in input pipe 7 caused of wherein flowing.
Preferably, relative to the angle [alpha] of vertical line V at 2 ° within the scope of 12 °.Angle [alpha] is selected like this, to guarantee the best reflection of water on the inner face of wall 11.Express, preferably, water jet S is with an angle δ at 30 ° to 50 °, and particularly 40 ° strike in the second turn-around zone 9 relevantly with angle beta.Angle δ is defined herein as and leaves angle between the direction of the first turn-around zone 8 and the slope of the second turn-around zone 9 at jet S.
Second turn-around zone 9 can be configured to bend along different directions, also to improve the reflection of sewage further.Such as, it is contemplated that, a bend 10 around an axis vertical with vertical line V is set, as shown in the figure.
Can say in a word, turn to section 4 to form like this, so that this turns to section to provide very little resistance to sewage, and the deceleration of sewage is not had a negative impact at this.Can reach larger volume flow thus under physical dimension same case, this correspondingly improves the performance of pipe branches 1.
First number of degrees turned to are greater than second number of degrees turned at this.Therefore, water in the first turn-around zone 8 than standing larger speed loss in the second turn-around zone 9.The advantage that this distribution has is, system is run more stable about different volume flows, and this system can be configured in a better way.
Preferably, the second turn-around zone 9 is formed by the wall 11 of pipe branches 1.Optionally, the second turn-around zone 9 also can be an individual component in pipe branches 1.
At least one input pipe section 7 is so arranged at this, so that this input pipe section access tube branches 1 in the level of the second turn-around zone 9 substantially.In this form of implementation, always have six input pipe sections 7 available.At this, have larger-diameter three input pipe sections 7 and arrange in the manner of a t-shape respectively with another three input pipe sections 7 with small diameter, wherein, each input pipe section 7 configures with 90 ° of angles mutually at this.There is larger-diameter input pipe section 7 groups and preferably see the top being arranged on the input pipe section 7 groups with small diameter along falling direction F.
It can also be seen that in FIG, turn to section 4 to be divided into a flow area 12 and a port region 13.Flow area 12 turns to for flowing through the above-mentioned of the sewage of pipe branches 1, and port region 13 is then for receiving the sewage imported via input pipe section 7.Port region 13 is separated with flow area 12 by a dividing wall 14, and therefore stops through-flow sewage to enter port region 13 from flow area 12.Dividing wall 14 and the angled configuration of falling direction F, thus dividing wall does not affect through-flow sewage as far as possible, in other words, the cross section of flow area 12 is not unnecessarily reduced in the second turn-around zone 9.In the region 21 towards bottom leader section 5, dividing wall 14 particularly can play guide element like this with waste water under large volume traffic conditions.
Relevant with dividing wall 14, should also be noted that the first turn-around zone 8 comprises a separately seamed edge 15, should separately arrange like this by seamed edge, so that sewage flows away through dividing wall 14.
Between the first turn-around zone 8 and dividing wall 14, can also an optional venting channels 16 be additionally set in dividing wall 14, in this case, can air pressure balance be carried out between flow area 12 and port region 13, as represented with arrow 17.Utilize this pressure balance stop or reduce the pressure pulse caused that flows in systems in which largely, thus reduce the danger forming negative pressure in input pipe 7 further.Venting channels 16 is preferably set directly at the advantage had under the first turn-around zone 8, and through-flow sewage can not flow into port region 13 by venting channels 16.
Fig. 2 and 3 illustrate respectively according to second and the 3rd pipe branches 1 ' or 1 of form of implementation ".Pipe branches 1 ' or 1 " also additionally comprise a current divider 18, see to be arranged on along falling direction F and turn to section 4 upstream, is facing in the top leader section 2 of the first turn-around zone 8 here by this current divider.Such current divider 18 also can be arranged in the form of implementation of Fig. 1.Before sewage strikes the first turn-around zone 8, utilize current divider 18 can scratch water jacket W along the wall 20 of top leader section 2 or Film Flow.Therefore, the advantage that current divider 18 has is, jet S turns to lower resistance.In addition, the advantage that current divider 18 also has is, by scratching Film Flow, and the pulse that can reduce air column L in pipe branches and the pressure reduction therefore produced.
In addition, pipe branches 1 ' or 1 " also comprises a bypass pipe illustrated in figs 2 and 3 19.Such bypass pipe 19 is for being equilibrated at the pressure reduction between corresponding site.Bypass pipe 19 is arranged like this, so that sewage can not enter in bypass pipe 19.In figs 2 and 3, bypass pipe 19 is seen along falling direction F and is arranged on current divider 18 downstream.Optionally, bypass pipe 19 also can so configure, so that this bypass pipe stretches in the air column L in top leader section 2.
In fig. 2, bypass pipe 19 connects the air section of top leader section 2 and turns to the port region 13 of section 4, corresponding pressure reduction can be balanced like this.In figure 3, bypass pipe 19 connects air section and the bottom leader section 5 of top leader section 2, can balance corresponding pressure reduction like this.
It is also conceivable that and arrange a bypass line, the air section of top leader section 2 is connected to and turns to the port region 13 of section 4 and the air section being connected to bottom leader section 5 by it.
The advantage that balance pressure reduction has, due to continual balance, even not there will be at the large pressure reduction of different parts.
It should be noted in this point, current divider 18 and bypass pipe 19 can be used alone separately.Such as it is contemplated that a use current divider 18, or also have a use bypass pipe 19.
Pipe branches is preferably produced by a kind of plastic blown method by a kind of plastics.
Reference numeral list
1,1 ', 1 " pipe branches
2 top leader sections
3 entrances
4 turn to section
5 bottom leader sections
6 outlets
7 input pipe sections
8 first turn-around zone
9 second turn-around zone
10 bends
11 walls
12 flow area
13 port regions
14 dividing walls
15 separate seamed edge
16 venting channels
17 pressure balances
18 current dividers
19 bypass pipes
20 walls
21 lower areas
F falling direction
L air column
S jet
V vertical line
W water jacket
α second deflection angle
β first deflection angle
δ angle
Claims (14)
1. for the pipe branches (1 of leader, 1 ', 1 "), sewage in leader with the form of a kind of water jacket (W) at a wall (11, 20) can guide along falling direction (F) on, pipe branches comprises top leader section (2) with entrance (3), one immediately top leader section (2) turn to section (4), immediately turn to section (4) with one and with outlet (6) bottom leader section (5), and at least one input pipe section (7), this input pipe section access tube branches (1 in the region turning to section (4), 1 ', 1 "), wherein, section (4) is turned to comprise first turn-around zone (8) and second turn-around zone (9) and then arranged for the first turn-around zone (8) along falling direction (F) read fortune that sewage is turned to relative to falling direction (F), sewage imports the second turn-around zone from the first turn-around zone (8), it is characterized in that, section (4) is turned to comprise a flow area (12) and a port region (13), in this port region, input pipe is via input pipe section (7) access tube branches (1), wherein, port region (13) is separated with flow area (12) by a dividing wall (14), thus stop sewage to enter port region (13) from flow area (12), first turn-around zone (8) comprises a separately seamed edge (15), should separately arrange like this by seamed edge, so that sewage flows through port region (13) or flows through dividing wall (14), after second turn-around zone (9) is seen directly along falling direction and/or is immediately follows arranged on the first turn-around zone (8), second turn-around zone (9) tilts to extend to the angle (α) within the scope of 12 ° at 2 ° with one relative to falling direction (F), second turn-around zone (9) has one at 30 ° to the angle (δ) within the scope of 50 ° relative to the direction of the sewage turned to by the first turn-around zone (8).
2. according to pipe branches according to claim 1, it is characterized in that, the second turn-around zone (9) is arranged like this relative to the first turn-around zone (8), so that sewage is reflected substantially by the second turn-around zone (9).
3. according to the pipe branches described in claim 1 or 2, it is characterized in that, by pipe branches, (wall (11) of 1,1 ', 1 ") provides the second turn-around zone (9).
4. according to pipe branches according to claim 1, it is characterized in that, the second turn-around zone (9) has the angle (δ) of 40 ° relative to the direction of the sewage turned to by the first turn-around zone (8).
5. according to the pipe branches described in claim 1 or 2, it is characterized in that, first turn-around zone (8) is arranged like this, so that water jacket (W) leaves the first turn-around zone (8) as the jet turned to (S), then sewage strike with pattern with in second turn-around zone (9) of angle of inclination setting.
6. according to the pipe branches described in claim 1 or 2, it is characterized in that, the second turn-around zone (9) is formed in the mode that at least blockiness is bending.
7. according to pipe branches according to claim 6, it is characterized in that, the second turn-around zone (9) is to be formed around a mode perpendicular to the axis bending of falling direction (F).
8. according to the pipe branches described in claim 1 or 2, it is characterized in that, first turn-around zone (8) sees such setting along falling direction (F), so that the first turn-around zone extends on the whole span width on top leader section (2), thus whole sewage quantity all can turn to.
9. according to the pipe branches described in claim 1 or 2, it is characterized in that, dividing wall (14) has a passage (16), can be equilibrated at the pressure reduction between flow area (12) and port region (13) via this passage.
10. according to the pipe branches described in claim 1 or 2, it is characterized in that, a current divider (18) is seen to be arranged on along falling direction (F) and is turned to section (4) upstream, utilizes current divider (18) can scratch water jacket (W).
11., according to the pipe branches described in claim 1 or 2, is characterized in that, (1,1 ', 1 ") comprises at least one bypass pipe (19) to pipe branches.
12., according to the pipe branches described in claim 1 or 2, is characterized in that, the second turn-around zone (9) is seen directly and/or is immediately follows arranged on the first turn-around zone (8) and separates seamed edge (15) along falling direction after.
13., according to pipe branches according to claim 9, is characterized in that, passage (16) is arranged like this, so that sewage can not pass passage (16).
14. according to pipe branches according to claim 11, it is characterized in that, described bypass pipe is arranged like this, so that can be equilibrated at the pressure reduction between top leader section (2) and port region (13) and/or between top leader section (2) and bottom leader section (5).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10189065.5A EP2447424B1 (en) | 2010-10-27 | 2010-10-27 | Pipe branch section for downpipes |
| EP10189065.5 | 2010-10-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102454197A CN102454197A (en) | 2012-05-16 |
| CN102454197B true CN102454197B (en) | 2015-07-01 |
Family
ID=43713537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110331567.3A Active CN102454197B (en) | 2010-10-27 | 2011-10-27 | Pipe branch section for downpipes |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2447424B1 (en) |
| CN (1) | CN102454197B (en) |
| AU (1) | AU2011224069B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3051004B1 (en) | 2016-05-04 | 2021-04-23 | Nicoll Raccords Plastiques | FALL SECTION |
| GB2563032B (en) * | 2017-05-30 | 2021-09-15 | Polypipe Ltd | Soil and waste pipe |
| KR102327751B1 (en) * | 2020-11-13 | 2021-11-17 | 김종운 | Design system for drain pipe of building |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB471971A (en) * | 1936-02-14 | 1937-09-14 | William Walter Scott Moncrieff | Improvements in or relating to anti-syphon systems |
| US3346887A (en) * | 1965-02-11 | 1967-10-17 | Anaconda American Brass Co | Sanitary drain system, method, and fittings therefor |
| CN1940192A (en) * | 2005-09-28 | 2007-04-04 | 久保田希爱株式会社 | Drain connection and drain pipe using same |
| CN200992726Y (en) * | 2006-12-26 | 2007-12-19 | 陆正新 | Same floor wastewater discharge system |
| CN201099889Y (en) * | 2007-06-22 | 2008-08-13 | 王凤蕊 | Indoor single vertical tube drain system |
| EP1882786B1 (en) * | 2006-07-27 | 2009-05-06 | Geberit Technik Ag | Pipe elbow for a sanitary conduit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB770668A (en) * | 1954-05-13 | 1957-03-20 | Bendz Ltd | Improvements relating to stack pipes |
| CH418067A (en) | 1960-06-29 | 1966-07-31 | Sommer Fritz | Line branch piece for collective drop lines |
-
2010
- 2010-10-27 EP EP10189065.5A patent/EP2447424B1/en active Active
-
2011
- 2011-09-15 AU AU2011224069A patent/AU2011224069B2/en active Active
- 2011-10-27 CN CN201110331567.3A patent/CN102454197B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB471971A (en) * | 1936-02-14 | 1937-09-14 | William Walter Scott Moncrieff | Improvements in or relating to anti-syphon systems |
| US3346887A (en) * | 1965-02-11 | 1967-10-17 | Anaconda American Brass Co | Sanitary drain system, method, and fittings therefor |
| CN1940192A (en) * | 2005-09-28 | 2007-04-04 | 久保田希爱株式会社 | Drain connection and drain pipe using same |
| EP1882786B1 (en) * | 2006-07-27 | 2009-05-06 | Geberit Technik Ag | Pipe elbow for a sanitary conduit |
| CN200992726Y (en) * | 2006-12-26 | 2007-12-19 | 陆正新 | Same floor wastewater discharge system |
| CN201099889Y (en) * | 2007-06-22 | 2008-08-13 | 王凤蕊 | Indoor single vertical tube drain system |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2011224069A1 (en) | 2012-05-17 |
| AU2011224069B2 (en) | 2017-03-16 |
| EP2447424A1 (en) | 2012-05-02 |
| CN102454197A (en) | 2012-05-16 |
| EP2447424B1 (en) | 2015-12-23 |
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