FR1172633A - Improvements to machines for pneumatic backfilling, more specifically for mining - Google Patents

Improvements to machines for pneumatic backfilling, more specifically for mining

Info

Publication number
FR1172633A
FR1172633A FR1172633DA FR1172633A FR 1172633 A FR1172633 A FR 1172633A FR 1172633D A FR1172633D A FR 1172633DA FR 1172633 A FR1172633 A FR 1172633A
Authority
FR
France
Prior art keywords
mining
machines
specifically
backfilling
pneumatic
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.)
BEIEN MASCHFAB
Karl Brieden & Co K G Maschf
Original Assignee
BEIEN MASCHFAB
Karl Brieden & Co K G Maschf
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 BEIEN MASCHFAB, Karl Brieden & Co K G Maschf filed Critical BEIEN MASCHFAB
Application granted granted Critical
Publication of FR1172633A publication Critical patent/FR1172633A/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)
FR1172633D 1956-02-22 1957-02-20 Improvements to machines for pneumatic backfilling, more specifically for mining Expired FR1172633A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1172633X 1956-02-22

Publications (1)

Publication Number Publication Date
FR1172633A true FR1172633A (en) 1959-02-11

Family

ID=7729459

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1172633D Expired FR1172633A (en) 1956-02-22 1957-02-20 Improvements to machines for pneumatic backfilling, more specifically for mining

Country Status (1)

Country Link
FR (1) FR1172633A (en)

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