PL93319B1 - - Google Patents
Download PDFInfo
- Publication number
- PL93319B1 PL93319B1 PL17917375A PL17917375A PL93319B1 PL 93319 B1 PL93319 B1 PL 93319B1 PL 17917375 A PL17917375 A PL 17917375A PL 17917375 A PL17917375 A PL 17917375A PL 93319 B1 PL93319 B1 PL 93319B1
- Authority
- PL
- Poland
- Prior art keywords
- stands
- articulated
- spag
- trestle
- racks
- Prior art date
Links
- 238000005452 bending Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 241000283707 Capra Species 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 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
- E21D23/04—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
-
- 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
- E21D23/0082—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor specially adapted for vertical or steep gradient seams
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)
- Supports For Pipes And Cables (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Soil Working Implements (AREA)
- Forging (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742416617 DE2416617C3 (de) | 1974-04-05 | 1974-04-05 | Vorrichtung zum Ausrichten von schreitenden hydraulischen Ausbauböcken bei schwebendem Verhieb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL93319B1 true PL93319B1 (cs) | 1977-05-30 |
Family
ID=5912237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL17917375A PL93319B1 (cs) | 1974-04-05 | 1975-03-28 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2416617C3 (cs) |
| FR (1) | FR2266798A1 (cs) |
| PL (1) | PL93319B1 (cs) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2622208C2 (de) * | 1976-05-19 | 1983-10-20 | Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum | Ausbaubock |
| DE2721381C3 (de) * | 1977-05-12 | 1986-03-27 | Klöckner-Becorit GmbH, 4620 Castrop-Rauxel | Vorrichtung zur Stabilisierung einer hydraulischen Ausbaueinheit |
| FR2523207B1 (fr) * | 1982-04-29 | 1988-04-01 | Bergwerksverband Gmbh | Dispositif pour la compression de remblais |
| DE3241894C1 (de) * | 1982-11-12 | 1984-03-15 | Thyssen Industrie Ag, 4300 Essen | Stabilisierungsvorrichtung für Strebausbaugestelle |
| DE3522569A1 (de) * | 1985-06-24 | 1987-01-02 | Metallgesellschaft Ag | Stromversorgung fuer ein elektrofilter |
| CN103397905A (zh) * | 2013-04-17 | 2013-11-20 | 唐建新 | 煤层自然跨落充填、柔性护巷、完全沿空留巷系统及方法 |
| CN108386219B (zh) * | 2018-04-18 | 2023-08-11 | 招商局重庆交通科研设计院有限公司 | 一种隧道支护结构的支撑系统及操作方法 |
| CN109763853B (zh) * | 2019-03-05 | 2023-09-12 | 廊坊景隆重工机械有限公司 | 一种门架锚护机 |
-
1974
- 1974-04-05 DE DE19742416617 patent/DE2416617C3/de not_active Expired
-
1975
- 1975-03-19 FR FR7508508A patent/FR2266798A1/fr active Granted
- 1975-03-28 PL PL17917375A patent/PL93319B1/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2266798A1 (en) | 1975-10-31 |
| FR2266798B3 (cs) | 1977-11-25 |
| DE2416617A1 (de) | 1975-10-16 |
| DE2416617B2 (de) | 1981-06-04 |
| DE2416617C3 (de) | 1982-02-11 |
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