FR1059603A - mine prop - Google Patents

mine prop

Info

Publication number
FR1059603A
FR1059603A FR1059603DA FR1059603A FR 1059603 A FR1059603 A FR 1059603A FR 1059603D A FR1059603D A FR 1059603DA FR 1059603 A FR1059603 A FR 1059603A
Authority
FR
France
Prior art keywords
mine prop
prop
mine
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gutehoffnungshutte Oberhausen AG
Original Assignee
Gutehoffnungshutte Oberhausen AG
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 Gutehoffnungshutte Oberhausen AG filed Critical Gutehoffnungshutte Oberhausen AG
Application granted granted Critical
Publication of FR1059603A publication Critical patent/FR1059603A/en
Expired legal-status Critical Current

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
    • E21D15/14—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)
FR1059603D 1951-07-16 1952-07-09 mine prop Expired FR1059603A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1059603X 1951-07-16

Publications (1)

Publication Number Publication Date
FR1059603A true FR1059603A (en) 1954-03-26

Family

ID=7718363

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1059603D Expired FR1059603A (en) 1951-07-16 1952-07-09 mine prop

Country Status (1)

Country Link
FR (1) FR1059603A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012123209A1 (en) 2011-03-11 2012-09-20 Nass&Wind Industrie Buoyant device having a special anchoring system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012123209A1 (en) 2011-03-11 2012-09-20 Nass&Wind Industrie Buoyant device having a special anchoring system

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