FR1126648A - Support head for sliding bele - Google Patents

Support head for sliding bele

Info

Publication number
FR1126648A
FR1126648A FR1126648DA FR1126648A FR 1126648 A FR1126648 A FR 1126648A FR 1126648D A FR1126648D A FR 1126648DA FR 1126648 A FR1126648 A FR 1126648A
Authority
FR
France
Prior art keywords
bele
sliding
support head
head
support
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.)
Forges & Acieries Commercy
Original Assignee
Forges & Acieries Commercy
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 Forges & Acieries Commercy filed Critical Forges & Acieries Commercy
Application granted granted Critical
Publication of FR1126648A publication Critical patent/FR1126648A/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
    • E21D17/082—Cap joints for obtaining a coal-face free of pit-props of sliding 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)
FR1126648D 1955-05-23 1955-05-23 Support head for sliding bele Expired FR1126648A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1126648T 1955-05-23

Publications (1)

Publication Number Publication Date
FR1126648A true FR1126648A (en) 1956-11-27

Family

ID=9635202

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1126648D Expired FR1126648A (en) 1955-05-23 1955-05-23 Support head for sliding bele

Country Status (1)

Country Link
FR (1) FR1126648A (en)

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