HUT56607A - Mine-vibration valve - Google Patents

Mine-vibration valve

Info

Publication number
HUT56607A
HUT56607A HU91376A HU37691A HUT56607A HU T56607 A HUT56607 A HU T56607A HU 91376 A HU91376 A HU 91376A HU 37691 A HU37691 A HU 37691A HU T56607 A HUT56607 A HU T56607A
Authority
HU
Hungary
Prior art keywords
mine
vibration valve
vibration
valve
Prior art date
Application number
HU91376A
Other languages
Hungarian (hu)
Other versions
HU910376D0 (en
Inventor
Ernst Mateja
Felix Ecker
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 HU910376D0 publication Critical patent/HU910376D0/en
Publication of HUT56607A publication Critical patent/HUT56607A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
HU91376A 1990-02-06 1991-02-04 Mine-vibration valve HUT56607A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4003465A DE4003465A1 (en) 1990-02-06 1990-02-06 Pressure relief valve for hydraulic pip-prop - has gas spring to hold valve piston on its seat

Publications (2)

Publication Number Publication Date
HU910376D0 HU910376D0 (en) 1991-08-28
HUT56607A true HUT56607A (en) 1991-09-30

Family

ID=6399521

Family Applications (1)

Application Number Title Priority Date Filing Date
HU91376A HUT56607A (en) 1990-02-06 1991-02-04 Mine-vibration valve

Country Status (5)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103953370B (en) * 2012-07-04 2016-01-27 巨隆集团芜湖兴隆液压有限公司 A kind of nitrogen safety valve for colliery comprehensive mining hydraulic bracket
CN105065735A (en) * 2015-07-16 2015-11-18 苏州华达仪器设备有限公司 Intelligent pressure regulating valve
CN112576565B (en) * 2020-11-27 2023-08-22 北京天玛智控科技股份有限公司 Inflatable safety valve

Also Published As

Publication number Publication date
PL164702B1 (en) 1994-10-31
ZA91893B (en) 1991-10-30
DE4003465A1 (en) 1991-08-08
HU910376D0 (en) 1991-08-28
PL288947A1 (en) 1991-12-02
CS28291A2 (en) 1991-09-15

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Legal Events

Date Code Title Description
DFA9 Temporary prot. cancelled due to abandonment