NL179756C - SAFETY VALVE. - Google Patents
SAFETY VALVE.Info
- Publication number
- NL179756C NL179756C NL7713214A NL7713214A NL179756C NL 179756 C NL179756 C NL 179756C NL 7713214 A NL7713214 A NL 7713214A NL 7713214 A NL7713214 A NL 7713214A NL 179756 C NL179756 C NL 179756C
- Authority
- NL
- Netherlands
- Prior art keywords
- safety valve
- safety
- valve
- Prior art date
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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0466—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with a special seating surface
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2627233A DE2627233C2 (en) | 1976-06-18 | 1976-06-18 | Safety valve |
NL7713214A NL179756C (en) | 1977-11-30 | 1977-11-30 | SAFETY VALVE. |
DE19782850372 DE2850372A1 (en) | 1976-06-18 | 1978-11-21 | Double seated safety valve sealing disc - has lips to ensure efficient seal each way and air channel one side |
FR7833758A FR2410773A1 (en) | 1977-11-30 | 1978-11-29 | Cone in safety valve - is of metal reinforced PTFE ethylene, with outwardly conical lip metal pressure piece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7713214A NL179756C (en) | 1977-11-30 | 1977-11-30 | SAFETY VALVE. |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7713214A NL7713214A (en) | 1979-06-01 |
NL179756B NL179756B (en) | 1986-06-02 |
NL179756C true NL179756C (en) | 1986-11-03 |
Family
ID=19829657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7713214A NL179756C (en) | 1976-06-18 | 1977-11-30 | SAFETY VALVE. |
Country Status (1)
Country | Link |
---|---|
NL (1) | NL179756C (en) |
-
1977
- 1977-11-30 NL NL7713214A patent/NL179756C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL7713214A (en) | 1979-06-01 |
NL179756B (en) | 1986-06-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |