BE457400A - - Google Patents
Info
- Publication number
- BE457400A BE457400A BE457400DA BE457400A BE 457400 A BE457400 A BE 457400A BE 457400D A BE457400D A BE 457400DA BE 457400 A BE457400 A BE 457400A
- Authority
- BE
- Belgium
- Prior art keywords
- formwork
- shuttering
- new
- track
- bars
- Prior art date
Links
- 238000009415 formwork Methods 0.000 claims description 21
- 235000000396 iron Nutrition 0.000 claims description 12
- 238000009416 shuttering Methods 0.000 description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 239000003245 coal Substances 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 7
- 238000000605 extraction Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003307 slaughter Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 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
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/06—Transport of mined material at or adjacent to the working face
-
- 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
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)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE457400A true BE457400A (enrdf_load_stackoverflow) |
Family
ID=110879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE457400D BE457400A (enrdf_load_stackoverflow) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE457400A (enrdf_load_stackoverflow) |
-
0
- BE BE457400D patent/BE457400A/fr unknown
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