FR486385A - Suspension device for flexible ventilation pipes in mines - Google Patents
Suspension device for flexible ventilation pipes in minesInfo
- Publication number
- FR486385A FR486385A FR486385DA FR486385A FR 486385 A FR486385 A FR 486385A FR 486385D A FR486385D A FR 486385DA FR 486385 A FR486385 A FR 486385A
- Authority
- FR
- France
- Prior art keywords
- mines
- suspension device
- ventilation pipes
- flexible ventilation
- flexible
- 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
- 239000000725 suspension Substances 0.000 title 1
- 238000009423 ventilation Methods 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/02—Suspension devices for tubes or the like, e.g. for ventilating ducts
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR486385T | 1917-08-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR486385A true FR486385A (en) | 1918-03-28 |
Family
ID=1522993
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR486385D Expired FR486385A (en) | 1917-08-17 | 1917-08-17 | Suspension device for flexible ventilation pipes in mines |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR486385A (en) |
-
1917
- 1917-08-17 FR FR486385D patent/FR486385A/en not_active Expired
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