FR64657E - Method and apparatus for introducing backfill material into mine excavations - Google Patents

Method and apparatus for introducing backfill material into mine excavations

Info

Publication number
FR64657E
FR64657E FR64657DA FR64657E FR 64657 E FR64657 E FR 64657E FR 64657D A FR64657D A FR 64657DA FR 64657 E FR64657 E FR 64657E
Authority
FR
France
Prior art keywords
backfill material
introducing
mine excavations
excavations
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
Other languages
French (fr)
Inventor
Walter Vogel
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 FR64657E publication Critical patent/FR64657E/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
    • E21F15/08—Filling-up hydraulically or pneumatically
    • E21F15/10—Hydraulic or pneumatic filling-up machines

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)
FR64657D 1953-02-25 1953-02-25 Method and apparatus for introducing backfill material into mine excavations Expired FR64657E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR64657T 1953-02-25

Publications (1)

Publication Number Publication Date
FR64657E true FR64657E (en) 1955-12-01

Family

ID=8697694

Family Applications (1)

Application Number Title Priority Date Filing Date
FR64657D Expired FR64657E (en) 1953-02-25 1953-02-25 Method and apparatus for introducing backfill material into mine excavations

Country Status (1)

Country Link
FR (1) FR64657E (en)

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