BE557913A - - Google Patents
Info
- Publication number
- BE557913A BE557913A BE557913DA BE557913A BE 557913 A BE557913 A BE 557913A BE 557913D A BE557913D A BE 557913DA BE 557913 A BE557913 A BE 557913A
- 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
- E21D15/45—Hydraulic, pneumatic, or hydraulic-pneumatic props having closed fluid system, e.g. with built-in pumps or accumulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/60—Instruments characterised by their location or relative disposition in or on vehicles
-
- 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
- E21D15/517—Extension elements
-
- 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
- E21D15/54—Details of the ends of props
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Geology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Sealing Devices (AREA)
- Actuator (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB23671/56A GB821645A (en) | 1956-08-01 | 1956-08-01 | Improvements in or relating to hydraulic pit props |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE557913A true BE557913A (xx) | 1957-06-15 |
Family
ID=10199397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE557913D BE557913A (xx) | 1956-08-01 | 1957-05-29 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE557913A (xx) |
| FR (1) | FR1175841A (xx) |
| GB (1) | GB821645A (xx) |
| NL (1) | NL217834A (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1215091B (de) * | 1961-06-29 | 1966-04-28 | Guenther W Hammer | Auswechselbarer Stempelschuh fuer Grubenstempel |
| GB8711378D0 (en) * | 1987-05-14 | 1987-06-17 | Nichols Hydraulic Products Ltd | Applying pressure to closed door |
-
0
- NL NL217834D patent/NL217834A/xx unknown
-
1956
- 1956-08-01 GB GB23671/56A patent/GB821645A/en not_active Expired
-
1957
- 1957-05-29 BE BE557913D patent/BE557913A/xx unknown
- 1957-05-29 FR FR1175841D patent/FR1175841A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB821645A (en) | 1959-10-14 |
| FR1175841A (fr) | 1959-04-02 |
| NL217834A (xx) |