DK375874A - - Google Patents
Info
- Publication number
- DK375874A DK375874A DK375874A DK375874A DK375874A DK 375874 A DK375874 A DK 375874A DK 375874 A DK375874 A DK 375874A DK 375874 A DK375874 A DK 375874A DK 375874 A DK375874 A DK 375874A
- Authority
- DK
- Denmark
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/08—Ventilation of sewers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/06—Devices, e.g. valves, for venting or aerating enclosures for aerating only
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical 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)
- Check Valves (AREA)
- Air-Flow Control Members (AREA)
- Tents Or Canopies (AREA)
- Non-Flushing Toilets (AREA)
- Thermal Insulation (AREA)
- Safety Valves (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7309789 | 1973-07-12 | ||
| SE7309789A SE7309789L (en) | 1973-07-12 | 1973-07-12 | AUTOMATIC DRAIN VALVE FOR AIR PIPELINE SYSTEM. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK375874A true DK375874A (en) | 1975-02-24 |
| DK143038B DK143038B (en) | 1981-03-16 |
| DK143038C DK143038C (en) | 1981-10-26 |
Family
ID=20318046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK375874A DK143038C (en) | 1973-07-12 | 1974-07-12 | PRESSURE EQUAL VALVE FOR BREATHING SYSTEMS |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5069834A (en) |
| DE (1) | DE2433172A1 (en) |
| DK (1) | DK143038C (en) |
| ES (1) | ES204547Y (en) |
| FI (1) | FI56428C (en) |
| FR (1) | FR2237099A1 (en) |
| NO (1) | NO742516L (en) |
| SE (1) | SE7309789L (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0100657B1 (en) * | 1982-07-29 | 1986-10-15 | Kentsub Limited | Air admittance valve |
| EP0440834B1 (en) * | 1990-02-05 | 1993-07-14 | Alfons Knoche | Ventilation arrangement for a sanitary conduit |
| DE29621447U1 (en) * | 1996-12-10 | 1997-02-13 | Liebherr Mischtechnik Gmbh | Pressure compensation device, preferably for binder silos |
-
1973
- 1973-07-12 SE SE7309789A patent/SE7309789L/en unknown
-
1974
- 1974-07-09 FI FI2109/74A patent/FI56428C/en active
- 1974-07-10 NO NO742516A patent/NO742516L/no unknown
- 1974-07-10 DE DE2433172A patent/DE2433172A1/en active Pending
- 1974-07-10 FR FR7423944A patent/FR2237099A1/en active Granted
- 1974-07-10 ES ES1974204547U patent/ES204547Y/en not_active Expired
- 1974-07-12 JP JP49079255A patent/JPS5069834A/ja active Pending
- 1974-07-12 DK DK375874A patent/DK143038C/en active
Also Published As
| Publication number | Publication date |
|---|---|
| FI56428C (en) | 1980-01-10 |
| FI56428B (en) | 1979-09-28 |
| ES204547U (en) | 1976-01-16 |
| DK143038C (en) | 1981-10-26 |
| FI210974A (en) | 1975-01-13 |
| FR2237099B3 (en) | 1977-05-06 |
| NO742516L (en) | 1975-02-10 |
| ES204547Y (en) | 1976-05-01 |
| SE7309789L (en) | 1975-01-13 |
| DK143038B (en) | 1981-03-16 |
| DE2433172A1 (en) | 1975-01-30 |
| FR2237099A1 (en) | 1975-02-07 |
| JPS5069834A (en) | 1975-06-10 |