PL83818B1 - - Google Patents
Download PDFInfo
- Publication number
- PL83818B1 PL83818B1 PL16322173A PL16322173A PL83818B1 PL 83818 B1 PL83818 B1 PL 83818B1 PL 16322173 A PL16322173 A PL 16322173A PL 16322173 A PL16322173 A PL 16322173A PL 83818 B1 PL83818 B1 PL 83818B1
- Authority
- PL
- Poland
- Prior art keywords
- casing
- strut
- hydraulic support
- support
- hydraulic
- Prior art date
Links
- 238000009412 basement excavation Methods 0.000 claims description 6
- 238000005065 mining Methods 0.000 description 3
- 238000013022 venting Methods 0.000 description 2
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL16322173A PL83818B1 (forum.php) | 1973-06-09 | 1973-06-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL16322173A PL83818B1 (forum.php) | 1973-06-09 | 1973-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL83818B1 true PL83818B1 (forum.php) | 1976-02-28 |
Family
ID=19963002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL16322173A PL83818B1 (forum.php) | 1973-06-09 | 1973-06-09 |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL83818B1 (forum.php) |
-
1973
- 1973-06-09 PL PL16322173A patent/PL83818B1/pl unknown
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