CS28291A2 - Valve for post against shock bumps - Google Patents

Valve for post against shock bumps

Info

Publication number
CS28291A2
CS28291A2 CS91282A CS28291A CS28291A2 CS 28291 A2 CS28291 A2 CS 28291A2 CS 91282 A CS91282 A CS 91282A CS 28291 A CS28291 A CS 28291A CS 28291 A2 CS28291 A2 CS 28291A2
Authority
CS
Czechoslovakia
Prior art keywords
valve
against shock
post against
shock bumps
bumps
Prior art date
Application number
CS91282A
Other languages
English (en)
Inventor
Ernst Dipl Ing 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 CS28291A2 publication Critical patent/CS28291A2/cs

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)
  • Check Valves (AREA)
  • Lift Valve (AREA)
CS91282A 1990-02-06 1991-02-06 Valve for post against shock bumps CS28291A2 (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
CS28291A2 true CS28291A2 (en) 1991-09-15

Family

ID=6399521

Family Applications (1)

Application Number Title Priority Date Filing Date
CS91282A CS28291A2 (en) 1990-02-06 1991-02-06 Valve for post against shock bumps

Country Status (5)

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

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
HUT56607A (en) 1991-09-30
PL164702B1 (pl) 1994-10-31
PL288947A1 (en) 1991-12-02
DE4003465A1 (de) 1991-08-08
HU910376D0 (en) 1991-08-28
ZA91893B (en) 1991-10-30

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