FR1005448A - Stançon de mine - Google Patents
Stançon de mineInfo
- Publication number
- FR1005448A FR1005448A FR1005448DA FR1005448A FR 1005448 A FR1005448 A FR 1005448A FR 1005448D A FR1005448D A FR 1005448DA FR 1005448 A FR1005448 A FR 1005448A
- Authority
- FR
- France
- Prior art keywords
- pitcher
- 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
- 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)
- Mechanical 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 |
|---|---|---|---|
| FR1005448T | 1947-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1005448A true FR1005448A (fr) | 1952-04-10 |
Family
ID=9564792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1005448D Expired FR1005448A (fr) | 1947-07-22 | 1947-07-22 | Stançon de mine |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1005448A (fr) |
-
1947
- 1947-07-22 FR FR1005448D patent/FR1005448A/fr not_active Expired
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