FR2448624B3 - - Google Patents
Info
- Publication number
- FR2448624B3 FR2448624B3 FR7931726A FR7931726A FR2448624B3 FR 2448624 B3 FR2448624 B3 FR 2448624B3 FR 7931726 A FR7931726 A FR 7931726A FR 7931726 A FR7931726 A FR 7931726A FR 2448624 B3 FR2448624 B3 FR 2448624B3
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Clamps And Clips (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19797903330 DE7903330U1 (de) | 1979-02-07 | 1979-02-07 | Mehrteilige klemmvorrichtung fuer den gleitbogenausbau, insbesondere von grubenstrecken |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2448624A1 FR2448624A1 (fr) | 1980-09-05 |
| FR2448624B3 true FR2448624B3 (US06818201-20041116-C00086.png) | 1982-11-19 |
Family
ID=6700827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7931726A Granted FR2448624A1 (fr) | 1979-02-07 | 1979-12-26 | Dispositif d'assemblage de profiles, notamment pour le montage des arceaux glissants de soutenement |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE880867A (US06818201-20041116-C00086.png) |
| DE (1) | DE7903330U1 (US06818201-20041116-C00086.png) |
| ES (1) | ES253531Y (US06818201-20041116-C00086.png) |
| FR (1) | FR2448624A1 (US06818201-20041116-C00086.png) |
-
1979
- 1979-02-07 DE DE19797903330 patent/DE7903330U1/de not_active Expired
- 1979-11-13 ES ES1979253531U patent/ES253531Y/es not_active Expired
- 1979-12-24 BE BE0/198758A patent/BE880867A/fr not_active IP Right Cessation
- 1979-12-26 FR FR7931726A patent/FR2448624A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE7903330U1 (de) | 1979-05-31 |
| FR2448624A1 (fr) | 1980-09-05 |
| BE880867A (fr) | 1980-04-16 |
| ES253531U (es) | 1980-12-16 |
| ES253531Y (es) | 1981-06-01 |
