FR63676E - Mine extension with assembly shoe suspension - Google Patents

Mine extension with assembly shoe suspension

Info

Publication number
FR63676E
FR63676E FR63676DA FR63676E FR 63676 E FR63676 E FR 63676E FR 63676D A FR63676D A FR 63676DA FR 63676 E FR63676 E FR 63676E
Authority
FR
France
Prior art keywords
shoe suspension
assembly shoe
mine
extension
mine extension
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 FR63676E publication Critical patent/FR63676E/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/08—Cap joints for obtaining a coal-face free of pit-props
    • E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Sowing (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
FR63676D 1951-04-24 1953-01-14 Mine extension with assembly shoe suspension Expired FR63676E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG0005756 1951-04-24

Publications (1)

Publication Number Publication Date
FR63676E true FR63676E (en) 1955-09-30

Family

ID=25947731

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1050708D Expired FR1050708A (en) 1951-04-24 1952-02-11 Mine extension with assembly shoe suspension
FR63676D Expired FR63676E (en) 1951-04-24 1953-01-14 Mine extension with assembly shoe suspension

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1050708D Expired FR1050708A (en) 1951-04-24 1952-02-11 Mine extension with assembly shoe suspension

Country Status (4)

Country Link
BE (1) BE510750A (en)
DE (1) DE900686C (en)
FR (2) FR1050708A (en)
GB (1) GB757983A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1082866B (en) * 1955-11-11 1960-06-09 Hermann Lutz Dr Ing Vorpfaendverfahren for short caps

Also Published As

Publication number Publication date
GB757983A (en) 1956-09-26
BE510750A (en)
DE900686C (en) 1954-01-04
FR1050708A (en) 1954-01-11

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