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 (enrdf_load_stackoverflow) | 1973-06-09 | 1973-06-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL16322173A PL83818B1 (enrdf_load_stackoverflow) | 1973-06-09 | 1973-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL83818B1 true PL83818B1 (enrdf_load_stackoverflow) | 1976-02-28 |
Family
ID=19963002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL16322173A PL83818B1 (enrdf_load_stackoverflow) | 1973-06-09 | 1973-06-09 |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL83818B1 (enrdf_load_stackoverflow) |
-
1973
- 1973-06-09 PL PL16322173A patent/PL83818B1/pl unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SU472512A3 (ru) | Экскаватор | |
| RU2173387C2 (ru) | Мешок-опора (варианты) | |
| PL83818B1 (enrdf_load_stackoverflow) | ||
| US3042233A (en) | Multiple joint backhoe | |
| PL75035B1 (en) | Sealing and position rectifying mechanism[au3964972a] | |
| PL149218B1 (en) | Method of filling mined-out longwall workings and filling stopping therefor | |
| CN210482190U (zh) | 水利施工用临时挡水装置 | |
| ES443632A1 (es) | Soporte para techo de mina. | |
| KR200231452Y1 (ko) | 굴삭기의 도저실린더 보호장치 | |
| PL160659B1 (pl) | Przesuwny segment czołowe] tamy podsadzkowe] | |
| PL58488B1 (enrdf_load_stackoverflow) | ||
| PL137846B2 (en) | Filling dam for mechanical housing | |
| PL139157B1 (en) | Apparatus for displacing a longwall conveyor and a filling dam | |
| PL127203B1 (en) | Shiftable mine dam | |
| PL128024B1 (en) | Mechanized roof support of high supporting capacity | |
| SU612044A1 (ru) | Секци механизированной крепи | |
| PL148661B1 (en) | Self-advancing roof support unit | |
| SU440490A1 (ru) | Комплект призабойной крепи | |
| SU496370A1 (ru) | Секци шахтной механизированной крепи | |
| SU1588871A1 (ru) | Шахтный предохранительный пневмополок | |
| PL42387B1 (enrdf_load_stackoverflow) | ||
| PL91457B1 (enrdf_load_stackoverflow) | ||
| SU1209773A1 (ru) | Рабочее оборудование экскаватора-обратна лопата | |
| PL79887B2 (enrdf_load_stackoverflow) | ||
| SU870746A1 (ru) | Устройство дл механической защиты гибких магистралей |