AU554692B2 - Hydraulic control device - Google Patents

Hydraulic control device

Info

Publication number: AU554692B2
Authority: AU; Australia
Prior art keywords: control device; hydraulic control; hydraulic; control
Prior art date: 1982-04-22
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.)

1982-04-22

Filing date

1983-04-12

Publication date

1986-08-28

1983-04-12 Application filed by Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH

1983-10-27 Publication of AU1343683A publication Critical patent/AU1343683A/en

1986-08-28 Application granted granted Critical

1986-08-28 Publication of AU554692B2 publication Critical patent/AU554692B2/en

2003-04-12 Anticipated expiration legal-status Critical

Status Ceased legal-status Critical Current

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
- E21D23/26—Hydraulic or pneumatic control

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)
Mechanically-Actuated Valves (AREA)
Valve Device For Special Equipments (AREA)

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
DE32149204		1982-04-22
DE19823214920 DE3214920A1 (en)	1982-04-22	1982-04-22	CONTROL VALVE WITH DEAD MAN, IN PARTICULAR FOR THE REMOVAL CONTROL

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)	ES8402396A1 (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

1982
- 1982-04-22 DE DE19823214920 patent/DE3214920A1/en active Granted
1983
- 1983-04-12 AU AU13436/83A patent/AU554692B2/en not_active Ceased
- 1983-04-14 ZA ZA832626A patent/ZA832626B/en unknown
- 1983-04-15 FR FR8306211A patent/FR2525723B1/en not_active Expired
- 1983-04-18 GB GB08310412A patent/GB2118689B/en not_active Expired
- 1983-04-19 BE BE0/210586A patent/BE896506A/en not_active IP Right Cessation
- 1983-04-22 ES ES521766A patent/ES8402396A1/en not_active Expired

Also Published As

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

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