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FR1294048A - Cross members with adjustable joints for the supports of the sizes in the mines - Google Patents

Cross members with adjustable joints for the supports of the sizes in the mines

Info

Publication number
FR1294048A
FR1294048A FR866992A FR866992A FR1294048A FR 1294048 A FR1294048 A FR 1294048A FR 866992 A FR866992 A FR 866992A FR 866992 A FR866992 A FR 866992A FR 1294048 A FR1294048 A FR 1294048A
Authority
FR
France
Prior art keywords
mines
sizes
supports
cross members
adjustable joints
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
FR866992A
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.)
ThyssenKrupp Technologies AG
Original Assignee
Thyssen Industrie 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
Priority claimed from DET18638A external-priority patent/DE1118720B/en
Application filed by Thyssen Industrie AG filed Critical Thyssen Industrie AG
Priority to FR866992A priority Critical patent/FR1294048A/en
Application granted granted Critical
Publication of FR1294048A publication Critical patent/FR1294048A/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)
FR866992A 1960-07-07 1961-07-05 Cross members with adjustable joints for the supports of the sizes in the mines Expired FR1294048A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR866992A FR1294048A (en) 1960-07-07 1961-07-05 Cross members with adjustable joints for the supports of the sizes in the mines

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DET18638A DE1118720B (en) 1960-07-07 1960-07-07 Reversible joint cap for longwall construction in mining operations
FR866992A FR1294048A (en) 1960-07-07 1961-07-05 Cross members with adjustable joints for the supports of the sizes in the mines

Publications (1)

Publication Number Publication Date
FR1294048A true FR1294048A (en) 1962-05-18

Family

ID=25999418

Family Applications (1)

Application Number Title Priority Date Filing Date
FR866992A Expired FR1294048A (en) 1960-07-07 1961-07-05 Cross members with adjustable joints for the supports of the sizes in the mines

Country Status (1)

Country Link
FR (1) FR1294048A (en)

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