FR1229479A - Mechanical mine support - Google Patents

Mechanical mine support

Info

Publication number
FR1229479A
FR1229479A FR799695A FR799695A FR1229479A FR 1229479 A FR1229479 A FR 1229479A FR 799695 A FR799695 A FR 799695A FR 799695 A FR799695 A FR 799695A FR 1229479 A FR1229479 A FR 1229479A
Authority
FR
France
Prior art keywords
mine support
mechanical mine
mechanical
support
mine
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
FR799695A
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
Application granted granted Critical
Publication of FR1229479A publication Critical patent/FR1229479A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0056—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with individual advancing shifting devices

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)
FR799695A 1958-08-23 1959-07-08 Mechanical mine support Expired FR1229479A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1229479X 1958-08-23

Publications (1)

Publication Number Publication Date
FR1229479A true FR1229479A (en) 1960-09-07

Family

ID=7734855

Family Applications (1)

Application Number Title Priority Date Filing Date
FR799695A Expired FR1229479A (en) 1958-08-23 1959-07-08 Mechanical mine support

Country Status (1)

Country Link
FR (1) FR1229479A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3186179A (en) * 1961-09-06 1965-06-01 Gewerk Eisenhuette Westfalia Advanceable mining support arrangement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3186179A (en) * 1961-09-06 1965-06-01 Gewerk Eisenhuette Westfalia Advanceable mining support arrangement

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