LU55640A1 - - Google Patents
Info
- Publication number
- LU55640A1 LU55640A1 LU55640DA LU55640A1 LU 55640 A1 LU55640 A1 LU 55640A1 LU 55640D A LU55640D A LU 55640DA LU 55640 A1 LU55640 A1 LU 55640A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
- E21D15/55—Details of the ends of props of prop heads or feet
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Installation Of Indoor Wiring (AREA)
- Supports For Pipes And Cables (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR98422A FR1521655A (fr) | 1967-03-10 | 1967-03-10 | Perfectionnements aux jupes de protection de coussins de soutènement utilisés en particulier dans les mines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU55640A1 true LU55640A1 (en:Method) | 1968-12-05 |
Family
ID=8626773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU55640D LU55640A1 (en:Method) | 1967-03-10 | 1968-03-08 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE710948A (en:Method) |
| ES (1) | ES351434A1 (en:Method) |
| FR (1) | FR1521655A (en:Method) |
| LU (1) | LU55640A1 (en:Method) |
-
1967
- 1967-03-10 FR FR98422A patent/FR1521655A/fr not_active Expired
-
1968
- 1968-02-19 BE BE710948D patent/BE710948A/xx unknown
- 1968-03-08 LU LU55640D patent/LU55640A1/xx unknown
- 1968-03-09 ES ES351434A patent/ES351434A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES351434A1 (es) | 1969-06-16 |
| BE710948A (en:Method) | 1968-08-19 |
| FR1521655A (fr) | 1968-04-19 |