PL213887A1 - - Google Patents
Info
- Publication number
- PL213887A1 PL213887A1 PL21388779A PL21388779A PL213887A1 PL 213887 A1 PL213887 A1 PL 213887A1 PL 21388779 A PL21388779 A PL 21388779A PL 21388779 A PL21388779 A PL 21388779A PL 213887 A1 PL213887 A1 PL 213887A1
- Authority
- PL
- Poland
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Safety Valves (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL21388779A PL119453B1 (en) | 1979-03-02 | 1979-03-02 | Hydraulic prop for mine lining |
| DE19803006998 DE3006998A1 (de) | 1979-03-02 | 1980-02-25 | Hydraulischer stempel fuer den grubenausbau |
| GB8006905A GB2044855A (en) | 1979-03-02 | 1980-02-29 | A hydraulic pit prop for wall lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL21388779A PL119453B1 (en) | 1979-03-02 | 1979-03-02 | Hydraulic prop for mine lining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL213887A1 true PL213887A1 (pl) | 1980-11-03 |
| PL119453B1 PL119453B1 (en) | 1982-01-30 |
Family
ID=19994905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL21388779A PL119453B1 (en) | 1979-03-02 | 1979-03-02 | Hydraulic prop for mine lining |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE3006998A1 (pl) |
| GB (1) | GB2044855A (pl) |
| PL (1) | PL119453B1 (pl) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU198980B (en) * | 1988-01-08 | 1989-12-28 | Veszpremi Szenbanyak | Hydraulic working cylinder particularly hydraulic prop used in mining |
-
1979
- 1979-03-02 PL PL21388779A patent/PL119453B1/pl unknown
-
1980
- 1980-02-25 DE DE19803006998 patent/DE3006998A1/de not_active Withdrawn
- 1980-02-29 GB GB8006905A patent/GB2044855A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB2044855A (en) | 1980-10-22 |
| PL119453B1 (en) | 1982-01-30 |
| DE3006998A1 (de) | 1980-09-04 |