FR16276E - Soutènement volant pour mines - Google Patents

Soutènement volant pour mines

Info

Publication number
FR16276E
FR16276E FR16276DA FR16276E FR 16276 E FR16276 E FR 16276E FR 16276D A FR16276D A FR 16276DA FR 16276 E FR16276 E FR 16276E
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 FR16276E publication Critical patent/FR16276E/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
    • E21D15/24—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with axial screw-and-nut, rack-and-worm, or like mechanism

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR16276D 1910-03-29 1912-07-08 Soutènement volant pour mines Expired FR16276E (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE416872X 1909-04-01
FR416872T 1910-03-29
FR15606T 1912-03-16
FR16276T 1912-07-08

Publications (1)

Publication Number Publication Date
FR16276E true FR16276E (fr) 1912-12-24

Family

ID=1357917

Family Applications (1)

Application Number Title Priority Date Filing Date
FR16276D Expired FR16276E (fr) 1910-03-29 1912-07-08 Soutènement volant pour mines

Country Status (1)

Country Link
FR (1) FR16276E (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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