BE488550A - - Google Patents
Info
- Publication number
- BE488550A BE488550A BE488550DA BE488550A BE 488550 A BE488550 A BE 488550A BE 488550D A BE488550D A BE 488550DA BE 488550 A BE488550 A BE 488550A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP36222A DE975687C (de) | 1949-03-10 | 1949-03-10 | Ausbaukappe fuer den Grubenausbau |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE488550A true BE488550A (es) |
Family
ID=7374629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE488550D BE488550A (es) | 1949-03-10 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE488550A (es) |
| DE (1) | DE975687C (es) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE481680A (es) * | ||||
| DE725270C (de) * | 1940-10-22 | 1942-09-18 | Aloys Vanwersch | Laschenverbindung fuer die Schaleisen im Grubenausbau |
| DE741949C (de) * | 1942-04-15 | 1943-11-19 | Alois Vanwersch | Als Gelenk ausgebildete Schaleneisenverbindung fuer den Grubenausbau |
| BE483297A (es) * | 1944-02-05 | |||
| DE968751C (de) * | 1948-10-02 | 1958-03-27 | Wilhelm Reppel | Aus aneinander gesetzten starren Gliedern bestehende Kappe fuer den Grubenausbau, insbesondere den Strebausbau |
| DE817287C (de) * | 1948-10-02 | 1951-10-15 | Karl Brieden & Co K G Maschf | Schaleisenverbindung |
| DE942321C (de) * | 1948-10-02 | 1956-05-03 | Karl Ruhl | Aus aneinandergesetzten Gleidern bestehende Kappe fuer den Grubenausbau, insbesondere den Strebausbau, und Verfahren zum Ausbau mit der Kappe |
| DE973125C (de) * | 1949-02-26 | 1959-12-03 | Wilhelm Reppel | Aus aneinandergesetzten Gliedern bestehende Kappe fuer den Grubenausbau |
-
0
- BE BE488550D patent/BE488550A/xx unknown
-
1949
- 1949-03-10 DE DEP36222A patent/DE975687C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE975687C (de) | 1962-05-10 |