AU554692B2 - Hydraulic control device - Google Patents

Hydraulic control device

Info

Publication number
AU554692B2
AU554692B2 AU13436/83A AU1343683A AU554692B2 AU 554692 B2 AU554692 B2 AU 554692B2 AU 13436/83 A AU13436/83 A AU 13436/83A AU 1343683 A AU1343683 A AU 1343683A AU 554692 B2 AU554692 B2 AU 554692B2
Authority
AU
Australia
Prior art keywords
control device
hydraulic control
hydraulic
control
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.)
Ceased
Application number
AU13436/83A
Other versions
AU1343683A (en
Inventor
Willy Kussel
Walter Weirich
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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia 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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of AU1343683A publication Critical patent/AU1343683A/en
Application granted granted Critical
Publication of AU554692B2 publication Critical patent/AU554692B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D23/26—Hydraulic or pneumatic control
AU13436/83A 1982-04-22 1983-04-12 Hydraulic control device Ceased AU554692B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823214920 DE3214920A1 (en) 1982-04-22 1982-04-22 CONTROL VALVE WITH DEAD MAN, IN PARTICULAR FOR THE REMOVAL CONTROL
DE32149204 1982-04-22

Publications (2)

Publication Number Publication Date
AU1343683A AU1343683A (en) 1983-10-27
AU554692B2 true AU554692B2 (en) 1986-08-28

Family

ID=6161595

Family Applications (1)

Application Number Title Priority Date Filing Date
AU13436/83A Ceased AU554692B2 (en) 1982-04-22 1983-04-12 Hydraulic control device

Country Status (7)

Country Link
AU (1) AU554692B2 (en)
BE (1) BE896506A (en)
DE (1) DE3214920A1 (en)
ES (1) ES521766A0 (en)
FR (1) FR2525723B1 (en)
GB (1) GB2118689B (en)
ZA (1) ZA832626B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3404302C1 (en) * 1984-02-08 1985-06-05 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Control device for a hydraulic stepping frame
JPH07103938B2 (en) * 1990-01-31 1995-11-08 株式会社コスメック Check valve with valve opening function

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1137337A (en) * 1966-07-05 1968-12-18 Gewerk Eisenhuette Westfalia Improvements in or relating to apparatus for controlling the distribution of hydraulic liquid
DE2851937C2 (en) * 1978-12-01 1986-05-28 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Control valve, especially for hydraulic support in mining operations

Also Published As

Publication number Publication date
GB8310412D0 (en) 1983-05-25
BE896506A (en) 1983-08-16
GB2118689B (en) 1985-07-24
AU1343683A (en) 1983-10-27
FR2525723A1 (en) 1983-10-28
DE3214920C2 (en) 1990-08-30
DE3214920A1 (en) 1983-10-27
GB2118689A (en) 1983-11-02
ES8402396A1 (en) 1984-01-16
ES521766A0 (en) 1984-01-16
ZA832626B (en) 1983-12-28
FR2525723B1 (en) 1987-04-17

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