BE557179A - - Google Patents
Info
- Publication number
- BE557179A BE557179A BE557179DA BE557179A BE 557179 A BE557179 A BE 557179A BE 557179D A BE557179D A BE 557179DA BE 557179 A BE557179 A BE 557179A
- 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
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
-
- 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
-
- 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
- E21D15/60—Devices for withdrawing props or chocks
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)
- Check Valves (AREA)
- Multiple-Way Valves (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEM30421A DE1047150B (en) | 1956-05-03 | 1956-05-03 | Hydraulic pit ram |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE557179A true BE557179A (en) |
Family
ID=7300959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE557179D BE557179A (en) | 1956-05-03 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE557179A (en) |
| DE (1) | DE1047150B (en) |
| FR (1) | FR1174801A (en) |
| GB (1) | GB845907A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3154290A (en) * | 1963-03-11 | 1964-10-27 | William O Johnson | Trailer-type hydraulic lift |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1231648B (en) * | 1960-08-11 | 1967-01-05 | Bochumer Eisen Heintzmann | Hydraulic expansion element, especially for underground mining operations |
| DE1189938B (en) * | 1962-08-31 | 1965-04-01 | Kloeckner Werke Ag | Hydraulic pit ram |
| BR7604063A (en) * | 1975-08-13 | 1977-06-28 | Kraftwerk Union Ag | NUCLEAR REACTOR INSTALLATION |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE807083C (en) * | 1950-03-07 | 1951-06-25 | Josef Brand | Hydraulic pit ram |
-
0
- BE BE557179D patent/BE557179A/xx unknown
-
1956
- 1956-05-03 DE DEM30421A patent/DE1047150B/en active Pending
-
1957
- 1957-05-03 GB GB1426257A patent/GB845907A/en not_active Expired
- 1957-05-03 FR FR1174801D patent/FR1174801A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3154290A (en) * | 1963-03-11 | 1964-10-27 | William O Johnson | Trailer-type hydraulic lift |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1174801A (en) | 1959-03-17 |
| GB845907A (en) | 1960-08-24 |
| DE1047150B (en) | 1958-12-24 |