FR1497374A - Device for swiveling caps - Google Patents

Device for swiveling caps

Info

Publication number
FR1497374A
FR1497374A FR81300A FR81300A FR1497374A FR 1497374 A FR1497374 A FR 1497374A FR 81300 A FR81300 A FR 81300A FR 81300 A FR81300 A FR 81300A FR 1497374 A FR1497374 A FR 1497374A
Authority
FR
France
Prior art keywords
swiveling
caps
swiveling caps
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
FR81300A
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 Sterkrade AG
Original Assignee
Gutehoffnungshutte Sterkrade 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 Sterkrade AG filed Critical Gutehoffnungshutte Sterkrade AG
Priority to FR81300A priority Critical patent/FR1497374A/en
Application granted granted Critical
Publication of FR1497374A publication Critical patent/FR1497374A/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
    • E21D17/0213—Assembling devices for pivoting caps upwardly

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)
FR81300A 1966-10-24 1966-10-24 Device for swiveling caps Expired FR1497374A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR81300A FR1497374A (en) 1966-10-24 1966-10-24 Device for swiveling caps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR81300A FR1497374A (en) 1966-10-24 1966-10-24 Device for swiveling caps

Publications (1)

Publication Number Publication Date
FR1497374A true FR1497374A (en) 1967-10-06

Family

ID=8619793

Family Applications (1)

Application Number Title Priority Date Filing Date
FR81300A Expired FR1497374A (en) 1966-10-24 1966-10-24 Device for swiveling caps

Country Status (1)

Country Link
FR (1) FR1497374A (en)

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