BE727235A - - Google Patents

Info

Publication number
BE727235A
BE727235A BE727235DA BE727235A BE 727235 A BE727235 A BE 727235A BE 727235D A BE727235D A BE 727235DA BE 727235 A BE727235 A BE 727235A
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.)
Filing date
Publication date
Priority claimed from DE19681608279 external-priority patent/DE1608279A1/de
Application filed filed Critical
Publication of BE727235A publication Critical patent/BE727235A/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
    • E21D15/02—Non-telescopic props

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)
  • Laminated Bodies (AREA)
BE727235D 1968-03-15 1969-01-22 BE727235A (US07922777-20110412-C00004.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681608279 DE1608279A1 (de) 1968-03-15 1968-03-15 Bauelement fuer den Grubenausbau,insbesondere Balken fuer Pfeiler in Kastenbauweise

Publications (1)

Publication Number Publication Date
BE727235A true BE727235A (US07922777-20110412-C00004.png) 1969-07-01

Family

ID=5681508

Family Applications (1)

Application Number Title Priority Date Filing Date
BE727235D BE727235A (US07922777-20110412-C00004.png) 1968-03-15 1969-01-22

Country Status (3)

Country Link
BE (1) BE727235A (US07922777-20110412-C00004.png)
FR (1) FR2003959A1 (US07922777-20110412-C00004.png)
GB (1) GB1250235A (US07922777-20110412-C00004.png)

Also Published As

Publication number Publication date
GB1250235A (US07922777-20110412-C00004.png) 1971-10-20
FR2003959A1 (US07922777-20110412-C00004.png) 1969-11-14

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