AU454803B2 - Improvements in and relating to mining roofbolts andthe like - Google Patents

Improvements in and relating to mining roofbolts andthe like

Info

Publication number
AU454803B2
AU454803B2 AU26646/71A AU2664671A AU454803B2 AU 454803 B2 AU454803 B2 AU 454803B2 AU 26646/71 A AU26646/71 A AU 26646/71A AU 2664671 A AU2664671 A AU 2664671A AU 454803 B2 AU454803 B2 AU 454803B2
Authority
AU
Australia
Prior art keywords
roofbolts
andthe
mining
relating
roofbolts andthe
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
AU26646/71A
Other versions
AU2664671A (en
Inventor
Johannes Geldenhuys Andries
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.)
Torque Tension Bolt Co Pty Ltd
Original Assignee
Torque Tension Bolt Co Pty Ltd
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 Torque Tension Bolt Co Pty Ltd filed Critical Torque Tension Bolt Co Pty Ltd
Priority to AU26646/71A priority Critical patent/AU454803B2/en
Publication of AU2664671A publication Critical patent/AU2664671A/en
Application granted granted Critical
Publication of AU454803B2 publication Critical patent/AU454803B2/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
    • F16B13/0858—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 with an expansible sleeve or dowel body driven against a tapered or spherical expander plug

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)
AU26646/71A 1971-03-17 1971-03-17 Improvements in and relating to mining roofbolts andthe like Expired AU454803B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU26646/71A AU454803B2 (en) 1971-03-17 1971-03-17 Improvements in and relating to mining roofbolts andthe like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU26646/71A AU454803B2 (en) 1971-03-17 1971-03-17 Improvements in and relating to mining roofbolts andthe like

Publications (2)

Publication Number Publication Date
AU2664671A AU2664671A (en) 1972-09-21
AU454803B2 true AU454803B2 (en) 1974-10-23

Family

ID=3715148

Family Applications (1)

Application Number Title Priority Date Filing Date
AU26646/71A Expired AU454803B2 (en) 1971-03-17 1971-03-17 Improvements in and relating to mining roofbolts andthe like

Country Status (1)

Country Link
AU (1) AU454803B2 (en)

Also Published As

Publication number Publication date
AU2664671A (en) 1972-09-21

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