FR2307953B3 - - Google Patents
Info
- Publication number
- FR2307953B3 FR2307953B3 FR7611209A FR7611209A FR2307953B3 FR 2307953 B3 FR2307953 B3 FR 2307953B3 FR 7611209 A FR7611209 A FR 7611209A FR 7611209 A FR7611209 A FR 7611209A FR 2307953 B3 FR2307953 B3 FR 2307953B3
- 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
-
- 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)
- Lining And Supports For Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE7511821 | 1975-04-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2307953A1 FR2307953A1 (fr) | 1976-11-12 |
| FR2307953B3 true FR2307953B3 (https=) | 1979-03-02 |
Family
ID=6651552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7611209A Granted FR2307953A1 (fr) | 1975-04-15 | 1976-04-15 | Arceau de soutenement pour galeries de mines |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2307953A1 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2724588A1 (de) * | 1977-06-01 | 1978-12-14 | Bochumer Eisen Heintzmann | Gleitbogenausbau |
-
1976
- 1976-04-15 FR FR7611209A patent/FR2307953A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2307953A1 (fr) | 1976-11-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |