FR416872A - Soutènement volant pour mines - Google Patents

Soutènement volant pour mines

Info

Publication number
FR416872A
FR416872A FR416872DA FR416872A FR 416872 A FR416872 A FR 416872A FR 416872D A FR416872D A FR 416872DA FR 416872 A FR416872 A FR 416872A
Authority
FR
France
Prior art keywords
mines
flying support
flying
support
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)
Inventor
Wilhelm Reinhard
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR416872A publication Critical patent/FR416872A/fr
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
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR416872D 1909-04-01 1910-03-29 Soutènement volant pour mines Expired FR416872A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE416872X 1912-05-13

Publications (1)

Publication Number Publication Date
FR416872A true FR416872A (fr) 1910-10-31

Family

ID=1460332

Family Applications (1)

Application Number Title Priority Date Filing Date
FR416872D Expired FR416872A (fr) 1909-04-01 1910-03-29 Soutènement volant pour mines

Country Status (1)

Country Link
FR (1) FR416872A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5400994A (en) * 1991-01-22 1995-03-28 Dyckerhoff & Widmann Ag Of Munich Yieldable roof support system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5400994A (en) * 1991-01-22 1995-03-28 Dyckerhoff & Widmann Ag Of Munich Yieldable roof support system

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