DE3668217D1 - Hydraulikventil fuer den bergbau. - Google Patents
Hydraulikventil fuer den bergbau.Info
- Publication number
- DE3668217D1 DE3668217D1 DE8686116351T DE3668217T DE3668217D1 DE 3668217 D1 DE3668217 D1 DE 3668217D1 DE 8686116351 T DE8686116351 T DE 8686116351T DE 3668217 T DE3668217 T DE 3668217T DE 3668217 D1 DE3668217 D1 DE 3668217D1
- Authority
- DE
- Germany
- Prior art keywords
- mining
- hydraulic valve
- hydraulic
- 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 - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Magnetically Actuated Valves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8686116351T DE3668217D1 (de) | 1985-11-27 | 1986-11-25 | Hydraulikventil fuer den bergbau. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853541870 DE3541870A1 (de) | 1985-11-27 | 1985-11-27 | Hydraulikventil fuer den bergbau |
DE8686116351T DE3668217D1 (de) | 1985-11-27 | 1986-11-25 | Hydraulikventil fuer den bergbau. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3668217D1 true DE3668217D1 (de) | 1990-02-15 |
Family
ID=6286951
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19853541870 Withdrawn DE3541870A1 (de) | 1985-11-27 | 1985-11-27 | Hydraulikventil fuer den bergbau |
DE8686116351T Expired - Fee Related DE3668217D1 (de) | 1985-11-27 | 1986-11-25 | Hydraulikventil fuer den bergbau. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19853541870 Withdrawn DE3541870A1 (de) | 1985-11-27 | 1985-11-27 | Hydraulikventil fuer den bergbau |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0224242B1 (de) |
DE (2) | DE3541870A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10112496B4 (de) * | 2001-03-15 | 2004-09-30 | Dbt Gmbh | Ventilblock für elektrohydraulische Steuereinrichtung und Mehrwegventile hierfür |
DE10314867B4 (de) * | 2003-04-01 | 2008-11-13 | Bucyrus Dbt Europe Gmbh | Mehrstufiges Steuerventil insbesondere für den untertägigen Schildausbau und Schildausbau |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1598332A (en) * | 1977-11-29 | 1981-09-16 | Gewerk Eisenhuette Westfalia | Hydraulic control units and valve assemblies usable therewith |
DE3229835A1 (de) * | 1982-08-11 | 1984-02-16 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Anordnung zum steuern eines elektro-hydraulischen ventils |
-
1985
- 1985-11-27 DE DE19853541870 patent/DE3541870A1/de not_active Withdrawn
-
1986
- 1986-11-25 EP EP86116351A patent/EP0224242B1/de not_active Expired - Lifetime
- 1986-11-25 DE DE8686116351T patent/DE3668217D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0224242A1 (de) | 1987-06-03 |
DE3541870A1 (de) | 1987-06-04 |
EP0224242B1 (de) | 1990-01-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |