FR1291038A - Articulated extension for mine support system - Google Patents
Articulated extension for mine support systemInfo
- Publication number
- FR1291038A FR1291038A FR855278A FR855278A FR1291038A FR 1291038 A FR1291038 A FR 1291038A FR 855278 A FR855278 A FR 855278A FR 855278 A FR855278 A FR 855278A FR 1291038 A FR1291038 A FR 1291038A
- Authority
- FR
- France
- Prior art keywords
- support system
- mine support
- articulated extension
- articulated
- extension
- 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
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/08—Cap joints for obtaining a coal-face free of pit-props
- E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type
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)
- Basic Packing Technique (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR855278A FR1291038A (en) | 1961-03-10 | 1961-03-10 | Articulated extension for mine support system |
| ES0274080A ES274080A1 (en) | 1961-03-10 | 1962-01-26 | A prolonging device for mining apparatus devices (Machine-translation by Google Translate, not legally binding) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR855278A FR1291038A (en) | 1961-03-10 | 1961-03-10 | Articulated extension for mine support system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1291038A true FR1291038A (en) | 1962-04-20 |
Family
ID=8750616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR855278A Expired FR1291038A (en) | 1961-03-10 | 1961-03-10 | Articulated extension for mine support system |
Country Status (2)
| Country | Link |
|---|---|
| ES (1) | ES274080A1 (en) |
| FR (1) | FR1291038A (en) |
-
1961
- 1961-03-10 FR FR855278A patent/FR1291038A/en not_active Expired
-
1962
- 1962-01-26 ES ES0274080A patent/ES274080A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES274080A1 (en) | 1962-04-16 |
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