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FR377131A - Metal posts for anchoring in mines and for all constructions - Google Patents

Metal posts for anchoring in mines and for all constructions

Info

Publication number
FR377131A
FR377131A FR377131DA FR377131A FR 377131 A FR377131 A FR 377131A FR 377131D A FR377131D A FR 377131DA FR 377131 A FR377131 A FR 377131A
Authority
FR
France
Prior art keywords
mines
anchoring
constructions
metal posts
posts
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
French (fr)
Inventor
Joseph Mounier
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 FR377131A publication Critical patent/FR377131A/en
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
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/30—Telescopic props with parts held relatively to each other by friction or gripping by means expanded or contracted by pressure applied through the medium of a fluid or quasi- fluid, e.g. rubber
    • E21D15/303—Telescopic props with parts held relatively to each other by friction or gripping by means expanded or contracted by pressure applied through the medium of a fluid or quasi- fluid, e.g. rubber by means of granular material

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)
FR377131D 1907-04-24 1907-04-24 Metal posts for anchoring in mines and for all constructions Expired FR377131A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR377131T 1907-04-24

Publications (1)

Publication Number Publication Date
FR377131A true FR377131A (en) 1907-08-29

Family

ID=1423580

Family Applications (1)

Application Number Title Priority Date Filing Date
FR377131D Expired FR377131A (en) 1907-04-24 1907-04-24 Metal posts for anchoring in mines and for all constructions

Country Status (1)

Country Link
FR (1) FR377131A (en)

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