AT269034B - Wandernder Strebausbau für untertägige Grubenbetriebe - Google Patents
Wandernder Strebausbau für untertägige GrubenbetriebeInfo
- Publication number
- AT269034B AT269034B AT41065A AT41065A AT269034B AT 269034 B AT269034 B AT 269034B AT 41065 A AT41065 A AT 41065A AT 41065 A AT41065 A AT 41065A AT 269034 B AT269034 B AT 269034B
- Authority
- AT
- Austria
- Prior art keywords
- migrating
- underground mining
- mining operations
- longwall construction
- longwall
- Prior art date
Links
- 238000010276 construction Methods 0.000 title 1
- 238000005065 mining Methods 0.000 title 1
Classifications
-
- 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
- E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
-
- 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
- E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
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)
- Framework For Endless Conveyors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB268264A GB1044071A (en) | 1964-01-21 | 1964-01-21 | Improvements in or relating to roof supports suitable for mines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT269034B true AT269034B (de) | 1969-03-10 |
Family
ID=9743922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT41065A AT269034B (de) | 1964-01-21 | 1965-01-19 | Wandernder Strebausbau für untertägige Grubenbetriebe |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT269034B (zh) |
| BE (1) | BE658551A (zh) |
| FR (1) | FR1421194A (zh) |
| GB (1) | GB1044071A (zh) |
| NL (1) | NL6500763A (zh) |
-
1964
- 1964-01-21 GB GB268264A patent/GB1044071A/en not_active Expired
-
1965
- 1965-01-19 AT AT41065A patent/AT269034B/de active
- 1965-01-20 BE BE658551D patent/BE658551A/xx unknown
- 1965-01-21 FR FR2737A patent/FR1421194A/fr not_active Expired
- 1965-01-21 NL NL6500763A patent/NL6500763A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6500763A (zh) | 1965-07-22 |
| BE658551A (zh) | 1965-05-17 |
| GB1044071A (en) | 1966-09-28 |
| FR1421194A (fr) | 1965-12-10 |
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