NL264085A - - Google Patents
Info
- Publication number
- NL264085A NL264085A NL264085DA NL264085A NL 264085 A NL264085 A NL 264085A NL 264085D A NL264085D A NL 264085DA NL 264085 A NL264085 A NL 264085A
- Authority
- NL
- Netherlands
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)
- Pivots And Pivotal Connections (AREA)
- Piles And Underground Anchors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DET18638A DE1118720B (de) | 1960-07-07 | 1960-07-07 | Wendbare Gelenkkappe fuer den Strebausbau in Grubenbetrieben |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL264085A true NL264085A (en:Method) |
Family
ID=7549017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL264085D NL264085A (en:Method) | 1960-07-07 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE603189A (en:Method) |
| DE (1) | DE1118720B (en:Method) |
| GB (1) | GB979801A (en:Method) |
| NL (1) | NL264085A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE633553A (en:Method) | 1962-06-15 |
-
0
- NL NL264085D patent/NL264085A/xx unknown
-
1960
- 1960-07-07 DE DET18638A patent/DE1118720B/de active Pending
-
1961
- 1961-04-28 BE BE603189A patent/BE603189A/fr unknown
- 1961-06-02 GB GB1999261A patent/GB979801A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1118720B (de) | 1961-12-07 |
| GB979801A (en) | 1965-01-06 |
| BE603189A (fr) | 1961-08-16 |