NL7205276A - - Google Patents
Info
- Publication number
- NL7205276A NL7205276A NL7205276A NL7205276A NL7205276A NL 7205276 A NL7205276 A NL 7205276A NL 7205276 A NL7205276 A NL 7205276A NL 7205276 A NL7205276 A NL 7205276A NL 7205276 A NL7205276 A NL 7205276A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- E03C1/02—Plumbing installations for fresh water
- E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
- E03C1/106—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves using two or more check valves
-
- 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
- E03C1/02—Plumbing installations for fresh water
- E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
- E03C1/108—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves having an aerating valve
-
- 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/105—Three-way check or safety valves with two or more closure members
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
- Safety Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NZ16342671 | 1971-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7205276A true NL7205276A (en:Method) | 1972-11-29 |
Family
ID=19916758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7205276A NL7205276A (en:Method) | 1971-04-20 | 1972-04-19 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR2138644B1 (en:Method) |
| GB (1) | GB1374833A (en:Method) |
| NL (1) | NL7205276A (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1333191C (zh) * | 2003-03-20 | 2007-08-22 | 李金友 | 可控止回阀 |
| DE102004044850B3 (de) * | 2004-09-10 | 2006-06-22 | Alfred Kärcher Gmbh & Co. Kg | Rückflußverhinderer |
| EP2801672B1 (de) * | 2013-05-07 | 2017-06-28 | Honeywell Technologies Sarl | Systemtrenner |
| CN110360345B (zh) * | 2019-07-26 | 2021-04-16 | 台州广博五金制品有限公司 | 一种防冲击三通减压阀 |
| CN112747146B (zh) * | 2021-01-27 | 2024-09-13 | 谢家福 | 多阀门出水器 |
-
1972
- 1972-04-11 GB GB1671772A patent/GB1374833A/en not_active Expired
- 1972-04-19 FR FR7213860A patent/FR2138644B1/fr not_active Expired
- 1972-04-19 NL NL7205276A patent/NL7205276A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2138644A1 (en:Method) | 1973-01-05 |
| FR2138644B1 (en:Method) | 1973-07-13 |
| DE2218646A1 (de) | 1972-11-16 |
| GB1374833A (en) | 1974-11-20 |
| DE2218646B2 (de) | 1975-11-13 |