BE697575A - - Google Patents
Info
- Publication number
- BE697575A BE697575A BE697575DA BE697575A BE 697575 A BE697575 A BE 697575A BE 697575D A BE697575D A BE 697575DA BE 697575 A BE697575 A BE 697575A
- Authority
- BE
- Belgium
- Prior art keywords
- frames
- segments
- backfill
- support
- translation
- Prior art date
Links
- 230000035515 penetration Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 239000011435 rock Substances 0.000 description 12
- 239000003245 coal Substances 0.000 description 2
- 241000726763 Cadra Species 0.000 description 1
- 241001669679 Eleotris Species 0.000 description 1
- 101100521345 Mus musculus Prop1 gene Proteins 0.000 description 1
- 108700017836 Prophet of Pit-1 Proteins 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 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
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/02—Supporting means, e.g. shuttering, for filling-up materials
- E21F15/04—Stowing mats; Goaf wire netting; Partition walls
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0454—Trailing plates; Coal face or goaf side sprags
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)
- Architecture (AREA)
- Structural Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK0059218 | 1966-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE697575A true BE697575A (sr) | 1967-10-02 |
Family
ID=7229046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE697575D BE697575A (sr) | 1966-05-11 | 1967-04-26 |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE697575A (sr) |
-
1967
- 1967-04-26 BE BE697575D patent/BE697575A/fr unknown
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