FR1347557A - frame hanger for mine galleries - Google Patents
frame hanger for mine galleriesInfo
- Publication number
- FR1347557A FR1347557A FR925153A FR925153A FR1347557A FR 1347557 A FR1347557 A FR 1347557A FR 925153 A FR925153 A FR 925153A FR 925153 A FR925153 A FR 925153A FR 1347557 A FR1347557 A FR 1347557A
- Authority
- FR
- France
- Prior art keywords
- frame hanger
- mine galleries
- galleries
- mine
- hanger
- 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
- E21D19/00—Provisional protective covers for working space
- E21D19/04—Provisional protective covers for working space for use in drifting galleries
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR925153A FR1347557A (en) | 1963-02-18 | 1963-02-18 | frame hanger for mine galleries |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR925153A FR1347557A (en) | 1963-02-18 | 1963-02-18 | frame hanger for mine galleries |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1347557A true FR1347557A (en) | 1963-12-27 |
Family
ID=8797297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR925153A Expired FR1347557A (en) | 1963-02-18 | 1963-02-18 | frame hanger for mine galleries |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1347557A (en) |
-
1963
- 1963-02-18 FR FR925153A patent/FR1347557A/en not_active Expired
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