DE1013245B - Hydraulischer Grubenstempel - Google Patents
Hydraulischer GrubenstempelInfo
- Publication number
- DE1013245B DE1013245B DEW19284A DEW0019284A DE1013245B DE 1013245 B DE1013245 B DE 1013245B DE W19284 A DEW19284 A DE W19284A DE W0019284 A DEW0019284 A DE W0019284A DE 1013245 B DE1013245 B DE 1013245B
- Authority
- DE
- Germany
- Prior art keywords
- pressure
- valves
- valve
- piston
- pressure medium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000001143 conditioned effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
- B66F3/42—Constructional features with self-contained pumps, e.g. actuated by hand
-
- 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
- E21D15/50—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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Engineering & Computer Science (AREA)
- Safety Valves (AREA)
- Control Of Presses (AREA)
- Ink Jet (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE558508D BE558508A (id) | 1956-06-21 | ||
NL218204D NL218204A (id) | 1956-06-21 | ||
DEW19284A DE1013245B (de) | 1956-06-21 | 1956-06-21 | Hydraulischer Grubenstempel |
GB1792257A GB866239A (en) | 1956-06-21 | 1957-06-05 | Improvements in or relating to pit props |
FR1176775D FR1176775A (fr) | 1956-06-21 | 1957-06-18 | Soupape d'étai de mine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEW19284A DE1013245B (de) | 1956-06-21 | 1956-06-21 | Hydraulischer Grubenstempel |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1013245B true DE1013245B (de) | 1957-08-08 |
Family
ID=7596449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEW19284A Pending DE1013245B (de) | 1956-06-21 | 1956-06-21 | Hydraulischer Grubenstempel |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE558508A (id) |
DE (1) | DE1013245B (id) |
FR (1) | FR1176775A (id) |
GB (1) | GB866239A (id) |
NL (1) | NL218204A (id) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1128383B (de) * | 1956-10-16 | 1962-04-26 | Hoesch Ag | Hydraulischer Grubenstempel |
DE1134947B (de) * | 1960-03-23 | 1962-08-23 | Dowty Mining Equipment Ltd | Wandernder Grubenausbau zur Abstuetzung des Hangenden |
DE1153705B (de) * | 1960-10-01 | 1963-09-05 | Rheinstahl Gmbh Wanheim | Hydraulischer Grubenstempel |
DE1193460B (de) * | 1962-07-27 | 1965-05-26 | Gewerk Eisenhuette Westfalia | Hydraulischer Grubenstempel |
DE1229480B (de) * | 1961-04-20 | 1966-12-01 | Bochumer Eisen Heintzmann | Hydraulischer Grubenstempel |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1193458B (de) * | 1958-08-11 | 1965-05-26 | Dobson Ltd W E & F | Wandernder Grubenausbau |
-
0
- NL NL218204D patent/NL218204A/xx unknown
- BE BE558508D patent/BE558508A/xx unknown
-
1956
- 1956-06-21 DE DEW19284A patent/DE1013245B/de active Pending
-
1957
- 1957-06-05 GB GB1792257A patent/GB866239A/en not_active Expired
- 1957-06-18 FR FR1176775D patent/FR1176775A/fr not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1128383B (de) * | 1956-10-16 | 1962-04-26 | Hoesch Ag | Hydraulischer Grubenstempel |
DE1134947B (de) * | 1960-03-23 | 1962-08-23 | Dowty Mining Equipment Ltd | Wandernder Grubenausbau zur Abstuetzung des Hangenden |
DE1153705B (de) * | 1960-10-01 | 1963-09-05 | Rheinstahl Gmbh Wanheim | Hydraulischer Grubenstempel |
DE1229480B (de) * | 1961-04-20 | 1966-12-01 | Bochumer Eisen Heintzmann | Hydraulischer Grubenstempel |
DE1193460B (de) * | 1962-07-27 | 1965-05-26 | Gewerk Eisenhuette Westfalia | Hydraulischer Grubenstempel |
Also Published As
Publication number | Publication date |
---|---|
NL218204A (id) | |
GB866239A (en) | 1961-04-26 |
BE558508A (id) | |
FR1176775A (fr) | 1959-04-15 |
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