FR1530737A - Cap formed from several elements for a support frame, usable in particular in mines - Google Patents

Cap formed from several elements for a support frame, usable in particular in mines

Info

Publication number
FR1530737A
FR1530737A FR109200A FR109200A FR1530737A FR 1530737 A FR1530737 A FR 1530737A FR 109200 A FR109200 A FR 109200A FR 109200 A FR109200 A FR 109200A FR 1530737 A FR1530737 A FR 1530737A
Authority
FR
France
Prior art keywords
mines
usable
support frame
several elements
cap formed
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
FR109200A
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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Priority to FR109200A priority Critical patent/FR1530737A/en
Application granted granted Critical
Publication of FR1530737A publication Critical patent/FR1530737A/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)
FR109200A 1966-08-11 1967-06-06 Cap formed from several elements for a support frame, usable in particular in mines Expired FR1530737A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR109200A FR1530737A (en) 1966-08-11 1967-06-06 Cap formed from several elements for a support frame, usable in particular in mines

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEG0047654 1966-08-11
FR109200A FR1530737A (en) 1966-08-11 1967-06-06 Cap formed from several elements for a support frame, usable in particular in mines

Publications (1)

Publication Number Publication Date
FR1530737A true FR1530737A (en) 1968-06-28

Family

ID=25978832

Family Applications (1)

Application Number Title Priority Date Filing Date
FR109200A Expired FR1530737A (en) 1966-08-11 1967-06-06 Cap formed from several elements for a support frame, usable in particular in mines

Country Status (1)

Country Link
FR (1) FR1530737A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748862A (en) * 1971-02-08 1973-07-31 Hemscheidt Maschf Hermann Roof support frame

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748862A (en) * 1971-02-08 1973-07-31 Hemscheidt Maschf Hermann Roof support frame

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