BE510750A - - Google Patents
Info
- Publication number
- BE510750A BE510750A BE510750DA BE510750A BE 510750 A BE510750 A BE 510750A BE 510750D A BE510750D A BE 510750DA BE 510750 A BE510750 A BE 510750A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/08—Cap joints for obtaining a coal-face free of pit-props
- E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Sowing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG0005756 | 1951-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE510750A true BE510750A (en:Method) |
Family
ID=25947731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE510750D BE510750A (en:Method) | 1951-04-24 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE510750A (en:Method) |
| DE (1) | DE900686C (en:Method) |
| FR (2) | FR1050708A (en:Method) |
| GB (1) | GB757983A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1082866B (de) * | 1955-11-11 | 1960-06-09 | Hermann Lutz Dr Ing | Vorpfaendverfahren fuer Kurzkappen |
-
0
- BE BE510750D patent/BE510750A/xx unknown
-
1951
- 1951-04-24 DE DEG5756A patent/DE900686C/de not_active Expired
-
1952
- 1952-02-11 FR FR1050708D patent/FR1050708A/fr not_active Expired
- 1952-04-23 GB GB1022852A patent/GB757983A/en not_active Expired
-
1953
- 1953-01-14 FR FR63676D patent/FR63676E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1050708A (fr) | 1954-01-11 |
| GB757983A (en) | 1956-09-26 |
| FR63676E (fr) | 1955-09-30 |
| DE900686C (de) | 1954-01-04 |