SE8801900D0 - DRAINAGE VENTILATION PIPES - Google Patents
DRAINAGE VENTILATION PIPESInfo
- Publication number
- SE8801900D0 SE8801900D0 SE8801900A SE8801900A SE8801900D0 SE 8801900 D0 SE8801900 D0 SE 8801900D0 SE 8801900 A SE8801900 A SE 8801900A SE 8801900 A SE8801900 A SE 8801900A SE 8801900 D0 SE8801900 D0 SE 8801900D0
- Authority
- SE
- Sweden
- Prior art keywords
- pipe
- ventilation pipes
- opening
- ventilation pipe
- drainage ventilation
- Prior art date
Links
- 238000009423 ventilation Methods 0.000 title abstract 4
- IHPYMWDTONKSCO-UHFFFAOYSA-N 2,2'-piperazine-1,4-diylbisethanesulfonic acid Chemical compound OS(=O)(=O)CCN1CCN(CCS(O)(=O)=O)CC1 IHPYMWDTONKSCO-UHFFFAOYSA-N 0.000 title 1
- 239000007990 PIPES buffer Substances 0.000 title 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000008014 freezing Effects 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/08—Ventilation of sewers
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Building Environments (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The subject of this invention is a sewer ventilation pipe with a vertical pipe (1) protruding above the roof. During cold weather, freezing occurs around the opening of the ventilation pipe, which can completely block the ventilation pipe. The blocking hazard is lessened in this invention by increasing the length of the opening by fitting a horizontal end pipe (2) to the end of the vertical pipe (1), which is open in both ends (3).<IMAGE>
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI872262A FI77501C (en) | 1987-05-22 | 1987-05-22 | VENTILATIONSROER FOER AVLOPPSSYSTEM. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8801900D0 true SE8801900D0 (en) | 1988-05-20 |
| SE8801900L SE8801900L (en) | 1988-11-23 |
Family
ID=8524527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8801900A SE8801900L (en) | 1987-05-22 | 1988-05-20 | VENTILATION PIPES FOR DRAINAGE SYSTEM |
Country Status (3)
| Country | Link |
|---|---|
| FI (1) | FI77501C (en) |
| NO (1) | NO163541C (en) |
| SE (1) | SE8801900L (en) |
-
1987
- 1987-05-22 FI FI872262A patent/FI77501C/en not_active IP Right Cessation
-
1988
- 1988-05-18 NO NO882160A patent/NO163541C/en unknown
- 1988-05-20 SE SE8801900A patent/SE8801900L/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FI77501C (en) | 1989-03-10 |
| SE8801900L (en) | 1988-11-23 |
| FI872262A0 (en) | 1987-05-22 |
| NO882160D0 (en) | 1988-05-18 |
| NO882160L (en) | 1988-11-23 |
| NO163541C (en) | 1990-06-13 |
| FI77501B (en) | 1988-11-30 |
| NO163541B (en) | 1990-03-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAV | Patent application has lapsed |
Ref document number: 8801900-5 Effective date: 19920419 |