FR664232A - Method and device for backfilling mines - Google Patents

Method and device for backfilling mines

Info

Publication number
FR664232A
FR664232A FR664232DA FR664232A FR 664232 A FR664232 A FR 664232A FR 664232D A FR664232D A FR 664232DA FR 664232 A FR664232 A FR 664232A
Authority
FR
France
Prior art keywords
backfilling
mines
backfilling mines
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)
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.)
Torkret GmbH
Original Assignee
Torkret GmbH
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 Torkret GmbH filed Critical Torkret GmbH
Application granted granted Critical
Publication of FR664232A publication Critical patent/FR664232A/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)
FR664232D 1928-09-10 1928-09-10 Method and device for backfilling mines Expired FR664232A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR664232T 1928-09-10

Publications (1)

Publication Number Publication Date
FR664232A true FR664232A (en) 1929-08-30

Family

ID=9012526

Family Applications (1)

Application Number Title Priority Date Filing Date
FR664232D Expired FR664232A (en) 1928-09-10 1928-09-10 Method and device for backfilling mines

Country Status (1)

Country Link
FR (1) FR664232A (en)

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