FR606351A - Method and apparatus for mechanical backfill in sizes - Google Patents

Method and apparatus for mechanical backfill in sizes

Info

Publication number
FR606351A
FR606351A FR606351DA FR606351A FR 606351 A FR606351 A FR 606351A FR 606351D A FR606351D A FR 606351DA FR 606351 A FR606351 A FR 606351A
Authority
FR
France
Prior art keywords
sizes
backfill
mechanical
mechanical backfill
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
Arthur Gerke
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 filed Critical
Application granted granted Critical
Publication of FR606351A publication Critical patent/FR606351A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
    • E21F15/06—Filling-up mechanically

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)
FR606351D 1925-10-05 1925-10-05 Method and apparatus for mechanical backfill in sizes Expired FR606351A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR606351T 1925-10-05

Publications (1)

Publication Number Publication Date
FR606351A true FR606351A (en) 1926-06-12

Family

ID=8974623

Family Applications (1)

Application Number Title Priority Date Filing Date
FR606351D Expired FR606351A (en) 1925-10-05 1925-10-05 Method and apparatus for mechanical backfill in sizes

Country Status (1)

Country Link
FR (1) FR606351A (en)

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