NL6515710A - - Google Patents
Info
- Publication number
- NL6515710A NL6515710A NL6515710A NL6515710A NL6515710A NL 6515710 A NL6515710 A NL 6515710A NL 6515710 A NL6515710 A NL 6515710A NL 6515710 A NL6515710 A NL 6515710A NL 6515710 A NL6515710 A NL 6515710A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- F16K15/14—Check valves with flexible valve members
- F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
- F16K15/145—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements being shaped as a solids of revolution, e.g. cylindrical or conical
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1559564A CH427429A (en) | 1964-12-02 | 1964-12-02 | check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6515710A true NL6515710A (en) | 1966-06-03 |
Family
ID=4410407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6515710A NL6515710A (en) | 1964-12-02 | 1965-12-02 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH427429A (en) |
| DE (1) | DE1475998B1 (en) |
| NL (1) | NL6515710A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10316903A1 (en) * | 2003-04-12 | 2004-10-28 | Neoperl Gmbh | Backflow preventer |
| CN105351576A (en) * | 2015-11-26 | 2016-02-24 | 国家电网公司 | One-way non-return valve |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE519946A (en) * | ||||
| CH283860A (en) * | 1950-06-21 | 1952-06-30 | Ratelband Johannes B | Check valve. |
| AT193213B (en) * | 1955-09-28 | 1957-11-25 | Mera Mechanische Regelanlagen | Check valve with a pot diaphragm that rests against a cylinder surface |
| DE1154982B (en) * | 1956-02-01 | 1963-09-26 | Renault | Check valve |
| FR1142080A (en) * | 1956-06-07 | 1957-09-13 | Renault | Improvements to check valves |
| DE1729482U (en) * | 1956-06-27 | 1956-09-06 | Johannes Franz Lange | CHECK VALVE. |
| US2949930A (en) * | 1958-06-30 | 1960-08-23 | Camco Inc | Check valve |
| DE1824921U (en) * | 1960-11-23 | 1961-01-12 | Ferch & Nabben | DEVICE TO PREVENT THE BACK SUCTION OF LIQUIDS IN PIPING. |
-
1964
- 1964-12-02 CH CH1559564A patent/CH427429A/en unknown
-
1965
- 1965-11-26 DE DE19651475998 patent/DE1475998B1/en active Pending
- 1965-12-02 NL NL6515710A patent/NL6515710A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH427429A (en) | 1966-12-31 |
| DE1475998B1 (en) | 1970-11-12 |