DE957925C - Mechanische Betätigungsvorrichtung fur das Druckmmderungsventil von hydraulischen Grubenstempeln - Google Patents
Mechanische Betätigungsvorrichtung fur das Druckmmderungsventil von hydraulischen GrubenstempelnInfo
- Publication number
- DE957925C DE957925C DENDAT957925D DE957925DA DE957925C DE 957925 C DE957925 C DE 957925C DE NDAT957925 D DENDAT957925 D DE NDAT957925D DE 957925D A DE957925D A DE 957925DA DE 957925 C DE957925 C DE 957925C
- Authority
- DE
- Germany
- Prior art keywords
- wall
- lever
- actuating
- knob
- valve
- 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.)
- Expired
Links
- 230000000694 effects Effects 0.000 claims description 3
- 230000000284 resting effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 244000309466 calf Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 210000004197 pelvis Anatomy 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Press Drives And Press Lines (AREA)
- Mechanically-Actuated Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3649954A GB819301A (en) | 1954-12-16 | 1954-12-16 | Improvements relating to hydraulic pit props and the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE957925C true DE957925C (de) | 1957-01-24 |
Family
ID=10388726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT957925D Expired DE957925C (de) | 1954-12-16 | Mechanische Betätigungsvorrichtung fur das Druckmmderungsventil von hydraulischen Grubenstempeln |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE543703A (en:Method) |
| DE (1) | DE957925C (en:Method) |
| GB (1) | GB819301A (en:Method) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3252345A (en) * | 1963-08-02 | 1966-05-24 | Robertshaw Controls Co | Actuating mechanism and parts therefor or the like |
| US4791827A (en) * | 1985-09-30 | 1988-12-20 | Aisin Seiki Kabushiki Kaisha | Cam device for pressure regulating valve |
-
0
- BE BE543703D patent/BE543703A/xx unknown
- DE DENDAT957925D patent/DE957925C/de not_active Expired
-
1954
- 1954-12-16 GB GB3649954A patent/GB819301A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3252345A (en) * | 1963-08-02 | 1966-05-24 | Robertshaw Controls Co | Actuating mechanism and parts therefor or the like |
| US4791827A (en) * | 1985-09-30 | 1988-12-20 | Aisin Seiki Kabushiki Kaisha | Cam device for pressure regulating valve |
Also Published As
| Publication number | Publication date |
|---|---|
| GB819301A (en) | 1959-09-02 |
| BE543703A (en:Method) |
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