AU473662B1 - Mine roof pins - Google Patents

Mine roof pins

Info

Publication number
AU473662B1
AU473662B1 AU29095/71A AU2909571A AU473662B1 AU 473662 B1 AU473662 B1 AU 473662B1 AU 29095/71 A AU29095/71 A AU 29095/71A AU 2909571 A AU2909571 A AU 2909571A AU 473662 B1 AU473662 B1 AU 473662B1
Authority
AU
Australia
Prior art keywords
mine roof
pins
roof pins
mine
roof
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
AU29095/71A
Inventor
Wayne Elders Gerald
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.)
PIN-SET Corp
Original Assignee
PIN-SET Corp
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 PIN-SET Corp filed Critical PIN-SET Corp
Priority to AU29095/71A priority Critical patent/AU473662B1/en
Application granted granted Critical
Publication of AU473662B1 publication Critical patent/AU473662B1/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E21D21/004—Bolts held in the borehole by friction all along their length, without additional fixing means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
AU29095/71A 1971-05-20 1971-05-20 Mine roof pins Expired AU473662B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU29095/71A AU473662B1 (en) 1971-05-20 1971-05-20 Mine roof pins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU29095/71A AU473662B1 (en) 1971-05-20 1971-05-20 Mine roof pins

Publications (1)

Publication Number Publication Date
AU473662B1 true AU473662B1 (en) 1972-11-23

Family

ID=3717197

Family Applications (1)

Application Number Title Priority Date Filing Date
AU29095/71A Expired AU473662B1 (en) 1971-05-20 1971-05-20 Mine roof pins

Country Status (1)

Country Link
AU (1) AU473662B1 (en)

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