FR57162E - metal mine prop - Google Patents
metal mine propInfo
- Publication number
- FR57162E FR57162E FR57162DA FR57162E FR 57162 E FR57162 E FR 57162E FR 57162D A FR57162D A FR 57162DA FR 57162 E FR57162 E FR 57162E
- Authority
- FR
- France
- Prior art keywords
- metal mine
- mine prop
- prop
- metal
- mine
- 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
- 239000002184 metal Substances 0.000 title 1
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
- E21D15/40—Collar or other support gripped to one or both parts by toggle-action, cam, or other member pivoted or similarly mounted
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 |
|---|---|---|---|
| FR57162T | 1947-01-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR57162E true FR57162E (en) | 1952-12-16 |
Family
ID=8691250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR57162D Expired FR57162E (en) | 1947-01-07 | 1947-01-07 | metal mine prop |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR57162E (en) |
-
1947
- 1947-01-07 FR FR57162D patent/FR57162E/en not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR965662A (en) | adjustable metal prop | |
| FR967190A (en) | Blasting caps | |
| FR920262A (en) | metal mine prop | |
| FR991406A (en) | mine prop | |
| FR57162E (en) | metal mine prop | |
| FR969365A (en) | metal mine prop | |
| FR945585A (en) | Metal delentoir | |
| FR1003661A (en) | Metal window | |
| FR913723A (en) | Metal prop | |
| FR969717A (en) | Mine prop collector | |
| FR1005424A (en) | mine prop | |
| FR56753E (en) | metal prop | |
| FR1009191A (en) | metal prop | |
| FR57153E (en) | metal mine prop | |
| FR56237E (en) | metal mine prop | |
| FR951055A (en) | metal prop | |
| FR1008513A (en) | mine prop | |
| FR60553E (en) | mine prop | |
| FR1002089A (en) | mine prop | |
| FR1013702A (en) | mine prop | |
| FR1017177A (en) | mine prop | |
| FR917343A (en) | metal props | |
| LU28988A1 (en) | Mining prop | |
| FR1059603A (en) | mine prop | |
| FR1002177A (en) | metal prop |