BE512605A - - Google Patents
Info
- Publication number
- BE512605A BE512605A BE512605DA BE512605A BE 512605 A BE512605 A BE 512605A BE 512605D A BE512605D A BE 512605DA BE 512605 A BE512605 A BE 512605A
- 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)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE735363X | 1952-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE512605A true BE512605A (fr) |
Family
ID=3879291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE512605D BE512605A (fr) | 1952-07-03 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE512605A (fr) |
| DE (1) | DE1024466B (fr) |
| FR (1) | FR1070980A (fr) |
| GB (1) | GB735363A (fr) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE835586C (de) * | 1949-11-25 | 1952-04-03 | Hans Gerlach | Grubenausbau, insbesondere fuer eine stempelfreie Abbaufront |
-
0
- BE BE512605D patent/BE512605A/xx unknown
-
1953
- 1953-02-18 FR FR1070980D patent/FR1070980A/fr not_active Expired
- 1953-03-27 GB GB8502/53A patent/GB735363A/en not_active Expired
- 1953-04-17 DE DEU2146A patent/DE1024466B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1024466B (de) | 1958-02-20 |
| GB735363A (en) | 1955-08-17 |
| FR1070980A (fr) | 1954-08-20 |