FR1016551A - Dispositif pour supporter des poutres et similaires - Google Patents

Dispositif pour supporter des poutres et similaires

Info

Publication number
FR1016551A
FR1016551A FR1016551DA FR1016551A FR 1016551 A FR1016551 A FR 1016551A FR 1016551D A FR1016551D A FR 1016551DA FR 1016551 A FR1016551 A FR 1016551A
Authority
FR
France
Prior art keywords
supporting beams
beams
supporting
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.)
FOLLSAIN WYCLIFFE FOUNDRIES
Original Assignee
FOLLSAIN WYCLIFFE FOUNDRIES
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 FOLLSAIN WYCLIFFE FOUNDRIES filed Critical FOLLSAIN WYCLIFFE FOUNDRIES
Application granted granted Critical
Publication of FR1016551A publication Critical patent/FR1016551A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/02—Suspension devices for tubes or the like, e.g. for ventilating ducts
    • 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
    • E21D17/03—Brackets for roof-supporting bars

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)
FR1016551D 1950-04-21 1950-04-21 Dispositif pour supporter des poutres et similaires Expired FR1016551A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1016551T 1950-04-21

Publications (1)

Publication Number Publication Date
FR1016551A true FR1016551A (fr) 1952-11-17

Family

ID=9573835

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1016551D Expired FR1016551A (fr) 1950-04-21 1950-04-21 Dispositif pour supporter des poutres et similaires

Country Status (1)

Country Link
FR (1) FR1016551A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4075856A (en) * 1975-10-14 1978-02-28 Vereinigte Osterreichische Eisen- Und Stahlwerke-Alpine Montan Aktiengesellschaft Device for consecutively supporting a drift

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4075856A (en) * 1975-10-14 1978-02-28 Vereinigte Osterreichische Eisen- Und Stahlwerke-Alpine Montan Aktiengesellschaft Device for consecutively supporting a drift

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