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
Application number
DE8686116351T
Other languages
English (en)
Inventor
Kurt Faust
Ernst Mateja
Felix Ecker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ecker Maschbau GmbH
Original Assignee
Ecker Maschbau GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ecker Maschbau GmbH filed Critical Ecker Maschbau GmbH
Priority to DE8686116351T priority Critical patent/DE3668217D1/de
Application granted granted Critical
Publication of DE3668217D1 publication Critical patent/DE3668217D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE8686116351T 1985-11-27 1986-11-25 Hydraulikventil fuer den bergbau. Expired - Fee Related DE3668217D1 (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP0224242A1 (de) 1987-06-03
EP0224242B1 (de) 1990-01-10
DE3541870A1 (de) 1987-06-04

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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