AU508013B1 - Mine roof movement monitor - Google Patents

Mine roof movement monitor

Info

Publication number
AU508013B1
AU508013B1 AU44248/79A AU4424879A AU508013B1 AU 508013 B1 AU508013 B1 AU 508013B1 AU 44248/79 A AU44248/79 A AU 44248/79A AU 4424879 A AU4424879 A AU 4424879A AU 508013 B1 AU508013 B1 AU 508013B1
Authority
AU
Australia
Prior art keywords
mine roof
movement monitor
roof movement
monitor
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.)
Ceased
Application number
AU44248/79A
Inventor
Ellsworth Victor Conkle
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.)
CONKLE E V
Original Assignee
CONKLE E V
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 CONKLE E V filed Critical CONKLE E V
Priority to AU44248/79A priority Critical patent/AU508013B1/en
Application granted granted Critical
Publication of AU508013B1 publication Critical patent/AU508013B1/en
Anticipated expiration legal-status Critical
Ceased 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
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/18—Special adaptations of signalling or alarm devices
    • E21F17/185—Rock-pressure control devices with or without alarm devices; Alarm devices in case of roof subsidence

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)
AU44248/79A 1979-02-14 1979-02-14 Mine roof movement monitor Ceased AU508013B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU44248/79A AU508013B1 (en) 1979-02-14 1979-02-14 Mine roof movement monitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU44248/79A AU508013B1 (en) 1979-02-14 1979-02-14 Mine roof movement monitor

Publications (1)

Publication Number Publication Date
AU508013B1 true AU508013B1 (en) 1980-03-06

Family

ID=3731452

Family Applications (1)

Application Number Title Priority Date Filing Date
AU44248/79A Ceased AU508013B1 (en) 1979-02-14 1979-02-14 Mine roof movement monitor

Country Status (1)

Country Link
AU (1) AU508013B1 (en)

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