GB2092717B - Hydraulic control valve assembly - Google Patents

Hydraulic control valve assembly

Info

Publication number
GB2092717B
GB2092717B GB8203288A GB8203288A GB2092717B GB 2092717 B GB2092717 B GB 2092717B GB 8203288 A GB8203288 A GB 8203288A GB 8203288 A GB8203288 A GB 8203288A GB 2092717 B GB2092717 B GB 2092717B
Authority
GB
United Kingdom
Prior art keywords
control valve
valve assembly
hydraulic control
hydraulic
assembly
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
Application number
GB8203288A
Other versions
GB2092717A (en
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
Priority to DE19813104362 priority Critical patent/DE3104362C2/de
Priority to DE19813111435 priority patent/DE3111435A1/en
Application filed by Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of GB2092717A publication Critical patent/GB2092717A/en
Application granted granted Critical
Publication of GB2092717B publication Critical patent/GB2092717B/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50Component parts or details of props
    • E21D15/51Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E21D15/512Arrangement of valves
GB8203288A 1981-02-07 1982-02-05 Hydraulic control valve assembly Expired GB2092717B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19813104362 DE3104362C2 (en) 1981-02-07 1981-02-07
DE19813111435 DE3111435A1 (en) 1981-03-24 1981-03-24 Hydraulically releasable non-return valve for hydraulic high-pressure systems, in particular for hydraulic support systems in underground mining operations

Publications (2)

Publication Number Publication Date
GB2092717A GB2092717A (en) 1982-08-18
GB2092717B true GB2092717B (en) 1984-10-17

Family

ID=25791012

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8203288A Expired GB2092717B (en) 1981-02-07 1982-02-05 Hydraulic control valve assembly

Country Status (1)

Country Link
GB (1) GB2092717B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104279356A (en) * 2014-08-19 2015-01-14 徐正国 Hydraulic control reversing ball valve and work method

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8314942D0 (en) * 1983-05-31 1983-07-06 Fenner Co Ltd J H Valves
DE3407878C1 (en) * 1984-03-02 1985-06-27 Hemscheidt Maschf Hermann Non-return valve for the stamps of walking frames
NO20024992D0 (en) * 2002-10-17 2002-10-17 Bakke Oil Tools As Pressure-compensated pilot-controlled non-return valve
CZ2006234A3 (en) * 2006-04-06 2007-10-17 Zaalex S. R. O. Hydraulically controlled check valve
CN102563140A (en) * 2012-01-02 2012-07-11 林友根 Pilot-operated one-way sequence valve
CN102996870A (en) * 2012-10-31 2013-03-27 无锡鸿声铝业有限公司 Pressure reducing device capable of improving tightness of extracted oil
CN103352714A (en) * 2013-08-05 2013-10-16 郑州煤机液压电控有限公司 Roof brushed frame moving valve of hydraulic support for coal mine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104279356A (en) * 2014-08-19 2015-01-14 徐正国 Hydraulic control reversing ball valve and work method
CN104279356B (en) * 2014-08-19 2017-08-08 徐正国 Liquid controlled reversing ball valve and method of work

Also Published As

Publication number Publication date
GB2092717A (en) 1982-08-18

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee