BE570089A - - Google Patents

Info

Publication number
BE570089A
BE570089A BE570089DA BE570089A BE 570089 A BE570089 A BE 570089A BE 570089D A BE570089D A BE 570089DA BE 570089 A BE570089 A BE 570089A
Authority
BE
Belgium
Application number
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.)
Publication of BE570089A publication Critical patent/BE570089A/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)
  • Mechanically-Actuated Valves (AREA)
BE570089D 1957-08-05 BE570089A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE896428X 1957-08-05

Publications (1)

Publication Number Publication Date
BE570089A true BE570089A (en:Method)

Family

ID=6848209

Family Applications (1)

Application Number Title Priority Date Filing Date
BE570089D BE570089A (en:Method) 1957-08-05

Country Status (3)

Country Link
BE (1) BE570089A (en:Method)
FR (1) FR1201105A (en:Method)
GB (1) GB896428A (en:Method)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2141733A (en) * 1983-06-06 1985-01-03 Mobil Oil Corp Improved catalytic hydrodewaxing process
GB2152635A (en) * 1984-01-05 1985-08-07 Dobson Park Ind Valve devices
CN112343564B (zh) * 2020-11-03 2022-11-04 中国石油天然气股份有限公司 气井井下节流器气嘴自行掉落机构及使用方法

Also Published As

Publication number Publication date
GB896428A (en) 1962-05-16
FR1201105A (fr) 1959-12-28

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