FR1070980A - Bèle - Google Patents

Bèle

Info

Publication number
FR1070980A
FR1070980A FR1070980DA FR1070980A FR 1070980 A FR1070980 A FR 1070980A FR 1070980D A FR1070980D A FR 1070980DA FR 1070980 A FR1070980 A FR 1070980A
Authority
FR
France
Prior art keywords
bele
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
English (en)
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.)
USINES ET ACIERIES ALLARD
Original Assignee
USINES ET ACIERIES ALLARD
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 USINES ET ACIERIES ALLARD filed Critical USINES ET ACIERIES ALLARD
Application granted granted Critical
Publication of FR1070980A publication Critical patent/FR1070980A/fr
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)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
FR1070980D 1952-07-03 1953-02-18 Bèle Expired FR1070980A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE735363X 1952-07-03

Publications (1)

Publication Number Publication Date
FR1070980A true FR1070980A (fr) 1954-08-20

Family

ID=3879291

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1070980D Expired FR1070980A (fr) 1952-07-03 1953-02-18 Bèle

Country Status (4)

Country Link
BE (1) BE512605A (fr)
DE (1) DE1024466B (fr)
FR (1) FR1070980A (fr)
GB (1) GB735363A (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE835586C (de) * 1949-11-25 1952-04-03 Hans Gerlach Grubenausbau, insbesondere fuer eine stempelfreie Abbaufront

Also Published As

Publication number Publication date
DE1024466B (de) 1958-02-20
BE512605A (fr)
GB735363A (en) 1955-08-17

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