BE483297A - - Google Patents
Info
- Publication number
- BE483297A BE483297A BE483297DA BE483297A BE 483297 A BE483297 A BE 483297A BE 483297D A BE483297D A BE 483297DA BE 483297 A BE483297 A BE 483297A
- 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)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEG1522D DE1017570B (de) | 1944-02-05 | 1944-02-05 | Staehlerner Grubenausbau mittels Stempeln und Schaleisen |
Publications (1)
Publication Number | Publication Date |
---|---|
BE483297A true BE483297A (nl) |
Family
ID=7116314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE483297D BE483297A (nl) | 1944-02-05 |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE483297A (nl) |
DE (1) | DE1017570B (nl) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE975687C (de) * | 1949-03-10 | 1962-05-10 | Gerlach Karl | Ausbaukappe fuer den Grubenausbau |
-
0
- BE BE483297D patent/BE483297A/xx unknown
-
1944
- 1944-02-05 DE DEG1522D patent/DE1017570B/de active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE975687C (de) * | 1949-03-10 | 1962-05-10 | Gerlach Karl | Ausbaukappe fuer den Grubenausbau |
Also Published As
Publication number | Publication date |
---|---|
DE1017570B (de) | 1957-10-17 |