BE571152A - - Google Patents
Info
- Publication number
- BE571152A BE571152A BE571152DA BE571152A BE 571152 A BE571152 A BE 571152A BE 571152D A BE571152D A BE 571152DA BE 571152 A BE571152 A BE 571152A
- Authority
- BE
- Belgium
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)
- Supports For Plants (AREA)
- Press Drives And Press Lines (AREA)
- Food-Manufacturing Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG22924A DE1132073B (de) | 1957-09-13 | 1957-09-13 | Ventilanordnung fuer hydraulische Grubenstempel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE571152A true BE571152A (US06623731-20030923-C00012.png) |
Family
ID=7122067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE571152D BE571152A (US06623731-20030923-C00012.png) | 1957-09-13 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE571152A (US06623731-20030923-C00012.png) |
| DE (1) | DE1132073B (US06623731-20030923-C00012.png) |
| FR (1) | FR1202560A (US06623731-20030923-C00012.png) |
| GB (1) | GB899874A (US06623731-20030923-C00012.png) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1050951A (US06623731-20030923-C00012.png) * | 1963-01-26 | |||
| DE1278377B (de) * | 1964-08-12 | 1968-09-26 | Gullick Ltd | Ausbauelement, insbesondere fuer den Strebausbau in untertaegigen Grubenbetrieben |
| DE3540531C1 (de) * | 1985-11-15 | 1987-01-08 | Hemscheidt Maschf Hermann | Wechselventil fuer hydraulischen Schreitausbau |
| FR2599806B1 (fr) * | 1986-06-10 | 1988-11-04 | Douaisis Sabes Stephanoise | Valve pour etancon a fluide ou organe analogue |
| FR2677947A1 (fr) * | 1991-03-26 | 1992-12-24 | Outboard Marine Corp | Ensemble d'equilibrage ameliore. |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE533818A (US06623731-20030923-C00012.png) * | 1953-12-02 | 1900-01-01 | ||
| DE1062654B (de) * | 1956-04-03 | 1959-08-06 | Kloeckner Bergbau Viktor Icker | Hydraulischer Grubenstempel |
-
0
- BE BE571152D patent/BE571152A/xx unknown
-
1957
- 1957-09-13 DE DEG22924A patent/DE1132073B/de active Pending
-
1958
- 1958-09-10 GB GB2908158A patent/GB899874A/en not_active Expired
- 1958-09-13 FR FR1202560D patent/FR1202560A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1202560A (fr) | 1960-01-12 |
| DE1132073B (de) | 1962-06-28 |
| GB899874A (en) | 1962-06-27 |
