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AU449960B2 - Mine roof bolts - Google Patents
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AU449960B2 - Mine roof bolts - Google Patents

Mine roof bolts

Info

Publication number
AU449960B2
AU449960B2 AU17248/67A AU1724867A AU449960B2 AU 449960 B2 AU449960 B2 AU 449960B2 AU 17248/67 A AU17248/67 A AU 17248/67A AU 1724867 A AU1724867 A AU 1724867A AU 449960 B2 AU449960 B2 AU 449960B2
Authority
AU
Australia
Prior art keywords
mine roof
roof bolts
bolts
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
AU17248/67A
Other versions
AU1724867A (en
Inventor
E. Worley William
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU17248/67A priority Critical patent/AU449960B2/en
Publication of AU1724867A publication Critical patent/AU1724867A/en
Application granted granted Critical
Publication of AU449960B2 publication Critical patent/AU449960B2/en
Priority to AU72625/74A priority patent/AU475559B2/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
    • E21D21/008—Anchoring or tensioning means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/08—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
AU17248/67A 1967-02-03 1967-02-03 Mine roof bolts Expired AU449960B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU17248/67A AU449960B2 (en) 1967-02-03 1967-02-03 Mine roof bolts
AU72625/74A AU475559B2 (en) 1967-02-03 1974-08-23 Mine roof bolts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU17248/67A AU449960B2 (en) 1967-02-03 1967-02-03 Mine roof bolts

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU72625/74A Division AU475559B2 (en) 1967-02-03 1974-08-23 Mine roof bolts

Publications (2)

Publication Number Publication Date
AU1724867A AU1724867A (en) 1968-08-08
AU449960B2 true AU449960B2 (en) 1974-06-11

Family

ID=3706997

Family Applications (1)

Application Number Title Priority Date Filing Date
AU17248/67A Expired AU449960B2 (en) 1967-02-03 1967-02-03 Mine roof bolts

Country Status (1)

Country Link
AU (1) AU449960B2 (en)

Also Published As

Publication number Publication date
AU1724867A (en) 1968-08-08

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