AT364335B - Schildausbau - Google Patents
SchildausbauInfo
- Publication number
- AT364335B AT364335B AT338879A AT338879A AT364335B AT 364335 B AT364335 B AT 364335B AT 338879 A AT338879 A AT 338879A AT 338879 A AT338879 A AT 338879A AT 364335 B AT364335 B AT 364335B
- Authority
- AT
- Austria
- Prior art keywords
- shield removal
- shield
- removal
- Prior art date
Links
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
- E21D23/04—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
- E21D23/0427—Shield operating devices; Hinges therefor
-
- 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
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
- E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
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)
- Tents Or Canopies (AREA)
- Working Measures On Existing Buildindgs (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL5953978 | 1978-05-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA338879A ATA338879A (de) | 1981-03-15 |
AT364335B true AT364335B (de) | 1981-10-12 |
Family
ID=19936475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT338879A AT364335B (de) | 1978-05-22 | 1979-05-07 | Schildausbau |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT364335B (de) |
DE (1) | DE2920203A1 (de) |
GB (1) | GB2021669B (de) |
YU (1) | YU97979A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3038629C2 (de) * | 1980-10-13 | 1983-12-22 | Thyssen Industrie Ag, 4300 Essen | Schildausbaugestell für Untertageausbauten |
HU203803B (en) * | 1988-02-11 | 1991-09-30 | Gyoergy Szentai | Supporting device for supporting mine space |
CN108468560B (zh) * | 2018-05-30 | 2024-03-26 | 西安科技大学 | 一种急倾斜煤层伪俯斜长壁z字形支架开采装置及方法 |
-
1979
- 1979-04-24 YU YU97979A patent/YU97979A/xx unknown
- 1979-05-07 AT AT338879A patent/AT364335B/de not_active IP Right Cessation
- 1979-05-14 GB GB7916679A patent/GB2021669B/en not_active Expired
- 1979-05-18 DE DE19792920203 patent/DE2920203A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2021669A (en) | 1979-12-05 |
ATA338879A (de) | 1981-03-15 |
YU97979A (en) | 1982-08-31 |
GB2021669B (en) | 1982-05-12 |
DE2920203A1 (de) | 1979-11-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee | ||
ELJ | Ceased due to non-payment of the annual fee |