BE607500A - - Google Patents
Info
- Publication number
- BE607500A BE607500A BE607500DA BE607500A BE 607500 A BE607500 A BE 607500A BE 607500D A BE607500D A BE 607500DA BE 607500 A BE607500 A BE 607500A
- Authority
- BE
- Belgium
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
- E21D15/50—Component parts or details of props
- E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
- E21D15/512—Arrangement of valves
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)
- Fluid-Pressure Circuits (AREA)
- Medicinal Preparation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR837619A FR1273471A (fr) | 1960-09-02 | 1960-09-02 | Perfectionnement apporté aux étançons hydrauliques télescopiques |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE607500A true BE607500A (US20100223739A1-20100909-C00005.png) |
Family
ID=8738365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE607500D BE607500A (US20100223739A1-20100909-C00005.png) | 1960-09-02 |
Country Status (4)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1226972B (de) * | 1964-10-20 | 1966-10-20 | Gewerk Eisenhuette Westfalia | Hydraulischer Doppel-Teleskopstempel |
| AT339237B (de) * | 1975-09-09 | 1977-10-10 | Voest Ag | Hydraulischer grubenstempel |
| ZA785167B (en) * | 1978-09-12 | 1979-08-29 | Bochumer Eisen Heintzmann | A hydraulic mine prop |
| DE3150643A1 (de) * | 1981-12-21 | 1983-06-30 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hydraulischer teleskopstempel, insbesondere fuer einen untertaegigen schreitausbau, wie vor allem schildausbaugestelle |
| DE3521818A1 (de) * | 1985-06-19 | 1987-01-02 | Kloeckner Becorit Gmbh | Dreifachteleskopstempel |
| DE4323462C2 (de) * | 1993-07-14 | 1995-05-04 | Vos Richard Grubenausbau Gmbh | Ausbaustempel für den Untertageeinsatz mit integriertem Druckbegrenzungsventil |
| CN111878128B (zh) * | 2020-08-06 | 2021-08-10 | 山东中煤工矿物资集团有限公司 | 一种新型液压支柱 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE493811A (US20100223739A1-20100909-C00005.png) * | ||||
| US1685697A (en) * | 1926-07-30 | 1928-09-25 | Nathan M Guinsburg | Jack |
| DE1063101B (de) * | 1956-02-20 | 1959-08-13 | Gutehoffnungshuette Sterkrade | Hydraulischer Grubenstempel |
| DE1076603B (de) * | 1957-01-07 | 1960-03-03 | Deutschland Ag Maschf | Hydraulisch-pneumatischer Grubenstempel |
-
0
- BE BE607500D patent/BE607500A/xx unknown
-
1960
- 1960-09-02 FR FR837619A patent/FR1273471A/fr not_active Expired
-
1961
- 1961-08-31 GB GB3143561A patent/GB927765A/en not_active Expired
- 1961-09-01 DE DEH43542A patent/DE1167299B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1167299B (de) | 1964-04-09 |
| GB927765A (en) | 1963-06-06 |
| FR1273471A (fr) | 1961-10-13 |
