JPS4933978B1 - - Google Patents
Info
- Publication number
- JPS4933978B1 JPS4933978B1 JP43008417A JP841768A JPS4933978B1 JP S4933978 B1 JPS4933978 B1 JP S4933978B1 JP 43008417 A JP43008417 A JP 43008417A JP 841768 A JP841768 A JP 841768A JP S4933978 B1 JPS4933978 B1 JP S4933978B1
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63835867A | 1967-05-15 | 1967-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4933978B1 true JPS4933978B1 (enrdf_load_stackoverflow) | 1974-09-11 |
Family
ID=24559712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP43008417A Pending JPS4933978B1 (enrdf_load_stackoverflow) | 1967-05-15 | 1968-02-12 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4933978B1 (enrdf_load_stackoverflow) |
| BE (1) | BE711114A (enrdf_load_stackoverflow) |
| DE (1) | DE1675495A1 (enrdf_load_stackoverflow) |
| ES (1) | ES349707A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1555399A (enrdf_load_stackoverflow) |
| GB (1) | GB1209101A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5352867U (enrdf_load_stackoverflow) * | 1976-10-04 | 1978-05-06 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3302784A1 (de) * | 1983-01-28 | 1984-08-02 | Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar | Ueberstroemventil mit differenzdrucksteuerung |
| CN109027352B (zh) * | 2018-08-21 | 2020-10-30 | 合肥力威汽车油泵有限公司 | 压力操作阀 |
| CN112628426B (zh) * | 2020-12-24 | 2022-09-20 | 牡丹江石油工具有限责任公司 | 一种用于石油、天然气钻井的止回阀 |
-
1968
- 1968-01-24 ES ES349707A patent/ES349707A1/es not_active Expired
- 1968-02-12 JP JP43008417A patent/JPS4933978B1/ja active Pending
- 1968-02-21 BE BE711114D patent/BE711114A/xx unknown
- 1968-03-01 GB GB00163/68A patent/GB1209101A/en not_active Expired
- 1968-03-08 DE DE19681675495 patent/DE1675495A1/de active Pending
- 1968-03-08 FR FR1555399D patent/FR1555399A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5352867U (enrdf_load_stackoverflow) * | 1976-10-04 | 1978-05-06 |
Also Published As
| Publication number | Publication date |
|---|---|
| BE711114A (enrdf_load_stackoverflow) | 1968-07-01 |
| ES349707A1 (es) | 1969-04-01 |
| GB1209101A (en) | 1970-10-21 |
| DE1675495A1 (de) | 1970-12-23 |
| FR1555399A (enrdf_load_stackoverflow) | 1969-01-24 |