FR1113320A - Improvements made to support systems, more especially those of mine galleries - Google Patents
Improvements made to support systems, more especially those of mine galleriesInfo
- Publication number
- FR1113320A FR1113320A FR1113320DA FR1113320A FR 1113320 A FR1113320 A FR 1113320A FR 1113320D A FR1113320D A FR 1113320DA FR 1113320 A FR1113320 A FR 1113320A
- Authority
- FR
- France
- Prior art keywords
- especially those
- improvements made
- support systems
- mine galleries
- galleries
- Prior art date
- 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
- E21D11/183—Supporting means for arch members, not provided for in E21D11/22
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1113320T | 1954-09-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1113320A true FR1113320A (en) | 1956-03-28 |
Family
ID=9627761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1113320D Expired FR1113320A (en) | 1954-09-13 | 1954-09-13 | Improvements made to support systems, more especially those of mine galleries |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1113320A (en) |
-
1954
- 1954-09-13 FR FR1113320D patent/FR1113320A/en not_active Expired
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