BE596046Q - Etançons. - Google Patents

Etançons.

Info

Publication number
BE596046Q
BE596046Q BE596046A BE596046A BE596046Q BE 596046 Q BE596046 Q BE 596046Q BE 596046 A BE596046 A BE 596046A BE 596046 A BE596046 A BE 596046A BE 596046 Q BE596046 Q BE 596046Q
Authority
BE
Belgium
Prior art keywords
prop
Prior art date
Application number
BE596046A
Other languages
English (en)
Original Assignee
Acrow Eng Ltd
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 Acrow Eng Ltd filed Critical Acrow Eng Ltd
Application granted granted Critical
Publication of BE596046Q publication Critical patent/BE596046Q/fr

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)
  • Reciprocating Pumps (AREA)
BE596046A 1957-03-22 1960-10-14 Etançons. BE596046Q (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB947557A GB882246A (en) 1957-03-22 1957-03-22 Improvements in and relating to props

Publications (1)

Publication Number Publication Date
BE596046Q true BE596046Q (fr) 1961-04-14

Family

ID=9872682

Family Applications (1)

Application Number Title Priority Date Filing Date
BE596046A BE596046Q (fr) 1957-03-22 1960-10-14 Etançons.

Country Status (3)

Country Link
BE (1) BE596046Q (fr)
FR (1) FR1193513A (fr)
GB (1) GB882246A (fr)

Also Published As

Publication number Publication date
GB882246A (en) 1961-11-15
FR1193513A (fr) 1959-11-03

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