BE386166A - - Google Patents

Info

Publication number
BE386166A
BE386166A BE386166A BE386166A BE386166A BE 386166 A BE386166 A BE 386166A BE 386166 A BE386166 A BE 386166A BE 386166 A BE386166 A BE 386166A BE 386166 A BE386166 A BE 386166A
Authority
BE
Belgium
Prior art keywords
prop
specified
fact
mine
wedge
Prior art date
Application number
BE386166A
Other languages
English (en)
French (fr)
Original Assignee
Heinrich Toussaint
Bochumer Eisen Heintzmann
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 Heinrich Toussaint, Bochumer Eisen Heintzmann filed Critical Heinrich Toussaint
Publication of BE386166A publication Critical patent/BE386166A/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
    • E21D15/60—Devices for withdrawing props or chocks
    • 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
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations

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)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
BE386166A 1932-02-09 1932-02-02 BE386166A (en(2012))

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3892/32A GB401330A (en) 1932-02-09 1932-02-09 Improvements in or relating to pit props

Publications (1)

Publication Number Publication Date
BE386166A true BE386166A (en(2012)) 1932-03-31

Family

ID=9766831

Family Applications (1)

Application Number Title Priority Date Filing Date
BE386166A BE386166A (en(2012)) 1932-02-09 1932-02-02

Country Status (2)

Country Link
BE (1) BE386166A (en(2012))
GB (1) GB401330A (en(2012))

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE937341C (de) * 1937-08-20 1956-01-05 Karl Gerlach Grubenstempel
DE927148C (de) * 1938-12-28 1955-05-02 Karl Gerlach Stahlgrubenstempel
DE757802C (de) * 1939-11-15 1953-11-23 Wilhelm Hinselmann Eiserner Grubenstempel
US2559696A (en) * 1947-07-11 1951-07-10 John E Anderson Trestle bracket
FR1008757A (fr) * 1948-05-21 1952-05-21 Dispositif de pose des étançous de mine en fer

Also Published As

Publication number Publication date
GB401330A (en) 1933-11-09

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