BE558743A - - Google Patents
Info
- Publication number
- BE558743A BE558743A BE558743DA BE558743A BE 558743 A BE558743 A BE 558743A BE 558743D A BE558743D A BE 558743DA BE 558743 A BE558743 A BE 558743A
- 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
- E21D15/60—Devices for withdrawing props or chocks
- E21D15/603—Devices for withdrawing props or chocks by means of hydraulic devices
-
- 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)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Safety Valves (AREA)
- Prostheses (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Rod-Shaped Construction Members (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Fluid-Pressure Circuits (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG20647A DE1017118B (en) | 1956-07-05 | 1956-07-05 | Robbery valve for hydraulic pit rams |
| DEG20019A DE1010932B (en) | 1956-07-05 | 1956-07-05 | Hydraulic pit ram |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE558743A true BE558743A (en) |
Family
ID=25978072
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE559146D BE559146A (en) | 1956-07-05 | ||
| BE558743D BE558743A (en) | 1956-07-05 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE559146D BE559146A (en) | 1956-07-05 |
Country Status (4)
| Country | Link |
|---|---|
| BE (2) | BE558743A (en) |
| DE (2) | DE1017118B (en) |
| FR (1) | FR1178174A (en) |
| GB (2) | GB864032A (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB894292A (en) * | 1957-07-30 | 1962-04-18 | Mastabar Mining Equip Co Ltd | Improvements in or relating to hydraulic props, particularly pit props |
| GB877624A (en) * | 1958-07-31 | 1961-09-20 | Dowty Mining Equipment Ltd | Improvements in release valves for hydraulic props |
| DE1193458B (en) * | 1958-08-11 | 1965-05-26 | Dobson Ltd W E & F | Wandering pit support |
| DE1168849B (en) * | 1958-10-30 | 1964-04-30 | Wilhelm Steinkopf | Hydraulic pit ram |
| GB962542A (en) * | 1959-08-21 | 1964-07-01 | Acrow Eng Ltd | Improvements in and relating to hydraulic props |
| DE1149318B (en) * | 1960-08-05 | 1963-05-30 | H Joe Rheinbay Dipl Ing | Hydraulically operated pit ram |
| SE431159B (en) * | 1980-05-05 | 1984-01-23 | Hans Arne Valentin Johansson | LIFTING DEVICE FOR PATIENT LIFTING DEVICES |
| US4776561A (en) * | 1986-12-05 | 1988-10-11 | The Stanley Works | Trigger control for air tool handle |
| DE102009009182A1 (en) | 2009-02-16 | 2010-08-19 | Süd-Chemie AG | Zinc oxide crystal particles and methods of preparation |
| US9267375B2 (en) | 2010-02-19 | 2016-02-23 | Council Of Scientific & Industrial Research | Device for roof support of underground mine/tunnel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE922525C (en) * | 1952-04-26 | 1955-01-17 | Eisenwerk Wanheim G M B H | Hydraulic pit ram |
-
0
- BE BE559146D patent/BE559146A/xx unknown
- BE BE558743D patent/BE558743A/xx unknown
-
1956
- 1956-07-05 DE DEG20647A patent/DE1017118B/en active Pending
- 1956-07-05 DE DEG20019A patent/DE1010932B/en active Pending
-
1957
- 1957-07-04 FR FR1178174D patent/FR1178174A/en not_active Expired
- 1957-07-05 GB GB2143657A patent/GB864032A/en not_active Expired
- 1957-09-30 GB GB3060857A patent/GB876396A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1178174A (en) | 1959-05-05 |
| GB876396A (en) | 1961-08-30 |
| GB864032A (en) | 1961-03-29 |
| BE559146A (en) | |
| DE1017118B (en) | 1957-10-10 |
| DE1010932B (en) | 1957-06-27 |