FR2333179B3 - - Google Patents
Info
- Publication number
- FR2333179B3 FR2333179B3 FR7635228A FR7635228A FR2333179B3 FR 2333179 B3 FR2333179 B3 FR 2333179B3 FR 7635228 A FR7635228 A FR 7635228A FR 7635228 A FR7635228 A FR 7635228A FR 2333179 B3 FR2333179 B3 FR 2333179B3
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
- E21D15/512—Arrangement of valves
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Safety Valves (AREA)
- Lift Valve (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752552733 DE2552733A1 (de) | 1975-11-25 | 1975-11-25 | Ueberdruckventil mit einem verschlussstueck, welches durch ein unter druck stehendes steuergas beaufschlagt ist |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2333179A1 FR2333179A1 (fr) | 1977-06-24 |
| FR2333179B3 true FR2333179B3 (OSRAM) | 1980-11-07 |
Family
ID=5962528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7635228A Granted FR2333179A1 (fr) | 1975-11-25 | 1976-11-23 | Soupape de surpression a piece obturatrice soumise a l'action d'un gaz de commande sous pression |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2552733A1 (OSRAM) |
| FR (1) | FR2333179A1 (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU182182B (en) * | 1980-07-02 | 1983-12-28 | Koezponti Banyaszati Fejleszte | Pressure limiting valve particularly for hydraulic props |
| FR2504974A1 (fr) * | 1981-04-30 | 1982-11-05 | Bennes Marrel | Valve hydraulique de coulissement pour verin de mine |
-
1975
- 1975-11-25 DE DE19752552733 patent/DE2552733A1/de not_active Withdrawn
-
1976
- 1976-11-23 FR FR7635228A patent/FR2333179A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2333179A1 (fr) | 1977-06-24 |
| DE2552733A1 (de) | 1977-06-02 |