BE533981A - - Google Patents
Info
- Publication number
- BE533981A BE533981A BE533981DA BE533981A BE 533981 A BE533981 A BE 533981A BE 533981D A BE533981D A BE 533981DA BE 533981 A BE533981 A BE 533981A
- 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
- E21D15/515—Particular fluids not covered by any chemical subdivision
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
-
- 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
- E21D15/58—Devices for setting props or chocks
- E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
- E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Fluid-Pressure Circuits (AREA)
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3442753A GB762969A (en) | 1953-12-10 | 1953-12-10 | Improvements in or relating to hydraulic devices for use in mines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE533981A true BE533981A (fr) |
Family
ID=10365510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE533981D BE533981A (fr) | 1953-12-10 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE533981A (fr) |
| DE (1) | DE1118719B (fr) |
| FR (1) | FR1115361A (fr) |
| GB (1) | GB762969A (fr) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE807083C (de) * | 1950-03-07 | 1951-06-25 | Josef Brand | Hydraulischer Grubenstempel |
| DE918562C (de) * | 1951-11-24 | 1954-09-30 | Werner Sogalla Dr Ing | Hydraulischer Grubenstempel |
| DE925706C (de) * | 1953-06-25 | 1955-03-28 | Steinkohlenbergbauver | Hydraulischer Grubenstempel |
-
0
- BE BE533981D patent/BE533981A/xx unknown
-
1953
- 1953-12-10 GB GB3442753A patent/GB762969A/en not_active Expired
-
1954
- 1954-12-07 DE DEC10383A patent/DE1118719B/de active Pending
- 1954-12-10 FR FR1115361D patent/FR1115361A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1115361A (fr) | 1956-04-23 |
| DE1118719B (de) | 1961-12-07 |
| GB762969A (en) | 1956-12-05 |