ZA911968B - Improved rock bolt - Google Patents

Improved rock bolt

Info

Publication number
ZA911968B
ZA911968B ZA911968A ZA911968A ZA911968B ZA 911968 B ZA911968 B ZA 911968B ZA 911968 A ZA911968 A ZA 911968A ZA 911968 A ZA911968 A ZA 911968A ZA 911968 B ZA911968 B ZA 911968B
Authority
ZA
South Africa
Prior art keywords
rock bolt
improved rock
improved
bolt
rock
Prior art date
Application number
ZA911968A
Inventor
John Schott
Schott John
Original Assignee
Newkem Australia
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 Newkem Australia filed Critical Newkem Australia
Publication of ZA911968B publication Critical patent/ZA911968B/en

Links

Classifications

    • 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
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/225—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of a settable material
    • 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
    • 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
    • F16B13/14—Non-metallic plugs or sleeves; Use of liquid, loose solid or kneadable material therefor
    • F16B13/141—Fixing plugs in holes by the use of settable material
    • 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
    • F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
    • F16B31/02—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load
    • 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
    • F16B33/00—Features common to bolt and nut
    • F16B33/06—Surface treatment of parts furnished with screw-thread, e.g. for preventing seizure or fretting

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Dowels (AREA)
  • Piles And Underground Anchors (AREA)
ZA911968A 1990-03-16 1991-03-18 Improved rock bolt ZA911968B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPJ913490 1990-03-16

Publications (1)

Publication Number Publication Date
ZA911968B true ZA911968B (en) 1992-01-29

Family

ID=3774553

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA911968A ZA911968B (en) 1990-03-16 1991-03-18 Improved rock bolt

Country Status (3)

Country Link
DE (1) DE4108500A1 (en)
GB (1) GB2241998A (en)
ZA (1) ZA911968B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2362443B (en) * 1999-12-15 2003-04-09 Rsc Mining An anchor bolt assembly
CA2549683C (en) 2003-12-17 2014-05-27 Terrasimco Inc. Coated mining bolt
EP3273074A1 (en) * 2016-07-18 2018-01-24 HILTI Aktiengesellschaft Anchoring bar for a composite anchor system
WO2019023719A1 (en) * 2017-07-26 2019-01-31 Ncm Innovations (Pty) Ltd Paddle adapted rock bolt with improved installation properties

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2219823B1 (en) * 1973-03-02 1976-06-04 Ars Forges Boulonneries
DE3405072A1 (en) * 1984-02-13 1985-08-14 Hilti Ag, Schaan ANCHOR ROD

Also Published As

Publication number Publication date
GB2241998A (en) 1991-09-18
DE4108500A1 (en) 1991-09-19
GB9105385D0 (en) 1991-05-01

Similar Documents

Publication Publication Date Title
ZA922941B (en) Rock bolting
GB9007153D0 (en) Bolt drilling unit
ZA954531B (en) Tubeformed rock bolt
ZA911968B (en) Improved rock bolt
GB8706925D0 (en) Rock bolt
AU8927691A (en) Rock bolt
GB2274895B (en) Rock bolt
EP0749518A4 (en) Rock bolt
ZA919339B (en) Rock bolt cutter
ZA897909B (en) Tubular rock bolt
ZA915141B (en) Rock bolt
ZA902301B (en) Rock bolt
GB8703476D0 (en) Rock bolt
GB2246162B (en) Locks
ZA878529B (en) Rock bolt
ZA9010398B (en) Rock bolt
AU7286191A (en) Improved rock bolt
RU1779820C (en) Bolt
ZA918778B (en) Rock bolting
GB2274894B (en) Rock bolt capsule
GB2241983B (en) Locks
GB2243864B (en) Locks
GB8805917D0 (en) Rock bolt
ZA896057B (en) Rock bolt
GB8822554D0 (en) Strata bolt