FR1003231A - elastic support for mine gallery - Google Patents
elastic support for mine galleryInfo
- Publication number
- FR1003231A FR1003231A FR1003231DA FR1003231A FR 1003231 A FR1003231 A FR 1003231A FR 1003231D A FR1003231D A FR 1003231DA FR 1003231 A FR1003231 A FR 1003231A
- Authority
- FR
- France
- Prior art keywords
- elastic support
- mine gallery
- gallery
- mine
- elastic
- 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
-
- 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
- E21D15/14—Telescopic props
- E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
- E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1003231T | 1946-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1003231A true FR1003231A (en) | 1952-03-17 |
Family
ID=9562804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1003231D Expired FR1003231A (en) | 1946-12-20 | 1946-12-20 | elastic support for mine gallery |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1003231A (en) |
-
1946
- 1946-12-20 FR FR1003231D patent/FR1003231A/en not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR953839A (en) | Lubricant | |
| FR975399A (en) | Mine car | |
| FR953948A (en) | Lubricant | |
| FR953182A (en) | Scraper | |
| FR1003231A (en) | elastic support for mine gallery | |
| FR1001408A (en) | Deformable support for mine galleries | |
| FR920262A (en) | metal mine prop | |
| FR941683A (en) | Stylograph watch | |
| FR923596A (en) | Vibrant haveuse | |
| FR929587A (en) | Card holder for card library | |
| FR1009955A (en) | Mine gallery support | |
| FR969365A (en) | metal mine prop | |
| FR922608A (en) | Mineral reduction | |
| FR930163A (en) | Degasser | |
| FR66207E (en) | Flexible gallery support | |
| FR56168E (en) | Microfilm pocket | |
| FR1002089A (en) | mine prop | |
| FR936550A (en) | Can | |
| FR951055A (en) | metal prop | |
| FR908796A (en) | Busts supports for crutches | |
| FR1019577A (en) | Deformable fitting for metal support of mines | |
| FR56237E (en) | metal mine prop | |
| FR57153E (en) | metal mine prop | |
| FR942844A (en) | metal props for mining | |
| FR979543A (en) | Mobile support for mines |