ZA91893B - Rock burst valve - Google Patents

Rock burst valve

Info

Publication number
ZA91893B
ZA91893B ZA91893A ZA91893A ZA91893B ZA 91893 B ZA91893 B ZA 91893B ZA 91893 A ZA91893 A ZA 91893A ZA 91893 A ZA91893 A ZA 91893A ZA 91893 B ZA91893 B ZA 91893B
Authority
ZA
South Africa
Prior art keywords
rock burst
burst valve
valve
rock
burst
Prior art date
Application number
ZA91893A
Other languages
English (en)
Inventor
Ernst Mateja
Mateja Ernst
Felix Ecker
Ecker Felix
Original Assignee
Ecker Gmbh Maschbau
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 Gmbh Maschbau filed Critical Ecker Gmbh Maschbau
Publication of ZA91893B publication Critical patent/ZA91893B/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E21D15/512—Arrangement of valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lift Valve (AREA)
  • Check Valves (AREA)
ZA91893A 1990-02-06 1991-02-06 Rock burst valve ZA91893B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4003465A DE4003465A1 (de) 1990-02-06 1990-02-06 Gebirgsschlagventil

Publications (1)

Publication Number Publication Date
ZA91893B true ZA91893B (en) 1991-10-30

Family

ID=6399521

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA91893A ZA91893B (en) 1990-02-06 1991-02-06 Rock burst valve

Country Status (5)

Country Link
CS (1) CS28291A2 (pl)
DE (1) DE4003465A1 (pl)
HU (1) HUT56607A (pl)
PL (1) PL164702B1 (pl)
ZA (1) ZA91893B (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103953370B (zh) * 2012-07-04 2016-01-27 巨隆集团芜湖兴隆液压有限公司 一种供煤矿综采液压支架使用的氮气安全阀
CN105065735A (zh) * 2015-07-16 2015-11-18 苏州华达仪器设备有限公司 一种智能化压力调节阀
CN112576565B (zh) * 2020-11-27 2023-08-22 北京天玛智控科技股份有限公司 充气式安全阀

Also Published As

Publication number Publication date
CS28291A2 (en) 1991-09-15
PL288947A1 (en) 1991-12-02
HUT56607A (en) 1991-09-30
PL164702B1 (pl) 1994-10-31
DE4003465A1 (de) 1991-08-08
HU910376D0 (en) 1991-08-28

Similar Documents

Publication Publication Date Title
GB2273474B (en) Valve means
ZA919876B (en) Valve
GB2241302B (en) Valve
GB2245085B (en) Valve
EP0471850A4 (en) Pilot valve
EP0500519A3 (en) Valve
GB9113486D0 (en) Valve
ZA91893B (en) Rock burst valve
GB9106212D0 (en) Valve
GB9005346D0 (en) Valve
GB2261719B (en) Valve
GB9123110D0 (en) Valve
ZA924612B (en) Valve
GB9126849D0 (en) Valve
GB9112149D0 (en) Intrumiscent valve
GB9105020D0 (en) Gas valve
GB2258716B (en) Valve
GB9101407D0 (en) Valve
EP0510326A3 (en) Valve
GB9019917D0 (en) Valve
AU112008S (en) Actuated valve
GB2244791B (en) Valve
GB9117537D0 (en) Valve
ZA92893B (en) Valve
AU113355S (en) Valve