NL6510982A - - Google Patents
Info
- Publication number
- NL6510982A NL6510982A NL6510982A NL6510982A NL6510982A NL 6510982 A NL6510982 A NL 6510982A NL 6510982 A NL6510982 A NL 6510982A NL 6510982 A NL6510982 A NL 6510982A NL 6510982 A NL6510982 A NL 6510982A
- Authority
- NL
- Netherlands
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)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Clamps And Clips (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG41030A DE1209532B (de) | 1964-07-08 | 1964-07-08 | Hydraulischer Grubenstempel |
| NL6510982A NL6510982A (en:Method) | 1965-08-23 | 1965-08-23 | |
| FR29888A FR1463025A (fr) | 1965-08-23 | 1965-08-31 | étançon hydraulique, utilisable dans les mines |
| GB4704765A GB1120127A (en) | 1965-08-23 | 1965-11-05 | Improvements in or relating to hydraulic pit props |
| US511645A US3395619A (en) | 1965-08-23 | 1965-12-06 | Hydraulic propping apparatus with automatic overload protection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6510982A NL6510982A (en:Method) | 1965-08-23 | 1965-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6510982A true NL6510982A (en:Method) | 1967-02-24 |
Family
ID=19793943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6510982A NL6510982A (en:Method) | 1964-07-08 | 1965-08-23 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB1120127A (en:Method) |
| NL (1) | NL6510982A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4339989A (en) | 1978-12-18 | 1982-07-20 | Webster Raymond G | Hydraulic rams |
-
1965
- 1965-08-23 NL NL6510982A patent/NL6510982A/xx unknown
- 1965-11-05 GB GB4704765A patent/GB1120127A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1120127A (en) | 1968-07-17 |