NL235587A - - Google Patents
Info
- Publication number
- NL235587A NL235587A NL235587DA NL235587A NL 235587 A NL235587 A NL 235587A NL 235587D A NL235587D A NL 235587DA NL 235587 A NL235587 A NL 235587A
- 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
- E21D15/60—Devices for withdrawing props or chocks
- E21D15/603—Devices for withdrawing props or chocks by means of hydraulic devices
-
- 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
- E21D15/15—Means counteracting entry of dirt; Built-in cleaning devices
-
- 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
-
- 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
- E21D15/60—Devices for withdrawing props or chocks
- E21D15/606—Devices for withdrawing props or chocks the props being moved systematically
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/08—Shifting conveyors or other transport devices from one location at the working face to another
- E21F13/086—Armoured conveyors shifting devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Filtration Of Liquid (AREA)
- Fluid-Pressure Circuits (AREA)
- Actuator (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB305358A GB876483A (en) | 1958-01-30 | 1958-01-30 | Improvements in or relating to hydraulic pillar supports for mines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL235587A true NL235587A (fr) |
Family
ID=9751089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL235587D NL235587A (fr) | 1958-01-30 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1164961B (fr) |
| FR (1) | FR1221089A (fr) |
| GB (1) | GB876483A (fr) |
| NL (1) | NL235587A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4046354A (en) * | 1975-08-26 | 1977-09-06 | Stith Jr Morris Randall | Apparatus for positioning and supporting a machine |
| GB2357806A (en) * | 1999-12-02 | 2001-07-04 | Trevor John Honour | Load bearing props |
| DE10045680B4 (de) * | 2000-09-15 | 2006-03-09 | Dbt Gmbh | Hydraulikzylinder als Grubenstempel oder Rückzylindereinheit im untertägigen Bergbau |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE899483C (de) * | 1953-11-05 | Eisenwerk Wanheim G.M.B.H., Duisburg-Wanheim | Eiserner Grubenstempel | |
| DE640845C (de) * | 1935-05-27 | 1937-01-13 | Wilhelm Fehlemann | Nachgiebiger Grubenstempel |
| DE901282C (de) * | 1943-08-01 | 1954-01-11 | Eisenwerk Wanheim G M B H | Eiserner Grubenstempel |
| DE809903C (de) * | 1948-08-25 | 1951-08-02 | Mavor & Coulson Ltd | Hydraulischer Stempel fuer den Grubenbetrieb |
| DE846238C (de) * | 1949-10-28 | 1952-08-11 | Mannesmannroehren Werke Steink | Verstellbarer metallischer Grubenstempel |
| DE827939C (de) * | 1950-02-17 | 1952-01-14 | Peter Ewald Zapp | Hydraulischer Grubenstempel |
| DE871883C (de) * | 1950-03-17 | 1953-03-26 | Der Niederlaendische Staat | Metallener Grubenstempel mit zugehoerigem Kopf |
| DE926601C (de) * | 1950-04-26 | 1955-04-21 | Konrad Grebe | Hydraulischer Grubenstempel |
| DE918561C (de) * | 1951-08-08 | 1954-09-30 | Arthur Hamel | Hydraulischer Grubenstempel |
| DE924686C (de) * | 1951-11-30 | 1955-03-07 | Emil Weber | Hydraulische Setzvorrichtung fuer Stempel |
| DE922527C (de) * | 1952-05-20 | 1955-01-17 | Ringfeder Gmbh | Grubenstempel |
| DE934342C (de) * | 1954-06-27 | 1955-10-20 | Gutehoffnungshuette Sterkrade | Mehrteiliger hydraulischer Grubenstempel |
| DE967868C (de) * | 1955-03-31 | 1957-12-19 | Robel & Co G | Schlaggeraet |
-
0
- NL NL235587D patent/NL235587A/xx unknown
-
1958
- 1958-01-30 GB GB305358A patent/GB876483A/en not_active Expired
-
1959
- 1959-01-28 DE DESCH25414A patent/DE1164961B/de active Pending
- 1959-01-29 FR FR785237A patent/FR1221089A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1221089A (fr) | 1960-05-31 |
| DE1164961B (de) | 1964-03-12 |
| GB876483A (en) | 1961-09-06 |