KR870008578U - 역지변의 개폐상태 조절장치 - Google Patents
역지변의 개폐상태 조절장치Info
- Publication number
- KR870008578U KR870008578U KR2019850014523U KR850014523U KR870008578U KR 870008578 U KR870008578 U KR 870008578U KR 2019850014523 U KR2019850014523 U KR 2019850014523U KR 850014523 U KR850014523 U KR 850014523U KR 870008578 U KR870008578 U KR 870008578U
- Authority
- KR
- South Korea
- Prior art keywords
- opening
- control device
- closing status
- status
- closing
- 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
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
- F16K15/182—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
- F16K15/1821—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism for check valves with a hinged or pivoted closure member
-
- 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
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
- F16K15/182—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
- F16K15/1826—Check valves which can be actuated by a pilot valve
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019850014523U KR890001592Y1 (ko) | 1985-11-01 | 1985-11-01 | 역지변의 개폐상태 조절장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019850014523U KR890001592Y1 (ko) | 1985-11-01 | 1985-11-01 | 역지변의 개폐상태 조절장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR870008578U true KR870008578U (ko) | 1987-06-12 |
KR890001592Y1 KR890001592Y1 (ko) | 1989-04-06 |
Family
ID=19246280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019850014523U KR890001592Y1 (ko) | 1985-11-01 | 1985-11-01 | 역지변의 개폐상태 조절장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR890001592Y1 (ko) |
-
1985
- 1985-11-01 KR KR2019850014523U patent/KR890001592Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR890001592Y1 (ko) | 1989-04-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 19980406 Year of fee payment: 10 |
|
LAPS | Lapse due to unpaid annual fee |