NL278544A - - Google Patents
Info
- Publication number
- NL278544A NL278544A NL278544DA NL278544A NL 278544 A NL278544 A NL 278544A NL 278544D A NL278544D A NL 278544DA NL 278544 A NL278544 A NL 278544A
- 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)
- Actuator (AREA)
- Food-Manufacturing Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB65799A DE1207317B (de) | 1962-02-03 | 1962-02-03 | Hydraulischer Grubenstempel mit vergroessertem Hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL278544A true NL278544A (id) |
Family
ID=6974913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL278544D NL278544A (id) | 1962-02-03 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE627891A (id) |
| DE (1) | DE1207317B (id) |
| GB (1) | GB1026136A (id) |
| NL (1) | NL278544A (id) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2941168A1 (de) * | 1979-10-11 | 1981-04-23 | Thyssen Industrie Ag, 4300 Essen | Hydraulisch betaetigbares schubkolbengetriebe, vornehmlich zur verwendung im bergbau |
| DE10241801A1 (de) | 2002-09-06 | 2004-03-18 | Dbt Gmbh | Verfahren zum Fügeverbinden der Funktionsteile von hydraulischen oder pneumatischen Arbeitsvorrichtungen und Fügeverbindung |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2795935A (en) * | 1952-09-30 | 1957-06-18 | Joy Mfg Co | Walking roof support |
| US2795934A (en) * | 1952-09-30 | 1957-06-18 | Joy Mfg Co | Rotating hydraulic roof supporting jacks |
| DE1810715U (de) * | 1956-02-20 | 1960-05-05 | Gutehoffnungshuette Sterkrade | Hydraulischer grubenstempel. |
| DE1747411U (de) * | 1957-03-23 | 1957-06-27 | Kloeckner Bergbau Victor Icker | Hydraulischer grubenstempel. |
| DE1024463B (de) * | 1957-04-18 | 1958-02-20 | Karl Gerlach | Hydraulischer Grubenstempel |
-
0
- BE BE627891D patent/BE627891A/xx unknown
- NL NL278544D patent/NL278544A/xx unknown
-
1962
- 1962-02-03 DE DEB65799A patent/DE1207317B/de active Pending
-
1963
- 1963-02-01 GB GB420563A patent/GB1026136A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1026136A (en) | 1966-04-14 |
| DE1207317B (de) | 1965-12-23 |
| BE627891A (id) |