AU2022788A - Rock bolt - Google Patents

Rock bolt

Info

Publication number
AU2022788A
AU2022788A AU20227/88A AU2022788A AU2022788A AU 2022788 A AU2022788 A AU 2022788A AU 20227/88 A AU20227/88 A AU 20227/88A AU 2022788 A AU2022788 A AU 2022788A AU 2022788 A AU2022788 A AU 2022788A
Authority
AU
Australia
Prior art keywords
rock bolt
rock
bolt
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.)
Granted
Application number
AU20227/88A
Other versions
AU604948B2 (en
Inventor
Moshe Josef
David Wiesenfeld
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.)
VIDEX-WIRE PRODUCTS Pty Ltd
Original Assignee
Videx Wire Products 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 Videx Wire Products Pty Ltd filed Critical Videx Wire Products Pty Ltd
Publication of AU2022788A publication Critical patent/AU2022788A/en
Application granted granted Critical
Publication of AU604948B2 publication Critical patent/AU604948B2/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
    • B21B1/163—Rolling or cold-forming of concrete reinforcement bars or wire ; Rolls therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/08—Members specially adapted to be used in prestressed constructions
    • E04C5/12—Anchoring devices
    • E04C5/125—Anchoring devices the tensile members are profiled to ensure the anchorage, e.g. when provided with screw-thread, bulges, corrugations
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Forging (AREA)
AU20227/88A 1986-11-14 1988-08-01 Rock bolt Expired AU604948B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA868649 1986-11-14
ZA878529A ZA878529B (en) 1986-11-14 1987-11-13 Rock bolt

Publications (2)

Publication Number Publication Date
AU2022788A true AU2022788A (en) 1990-02-01
AU604948B2 AU604948B2 (en) 1991-01-03

Family

ID=27137658

Family Applications (1)

Application Number Title Priority Date Filing Date
AU20227/88A Expired AU604948B2 (en) 1986-11-14 1988-08-01 Rock bolt

Country Status (3)

Country Link
EP (1) EP0351465B1 (en)
AU (1) AU604948B2 (en)
ZA (1) ZA878529B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5054146A (en) * 1988-12-08 1991-10-08 Videx-Wire Products (Pty.) Limited Anchor bolt
DE4137090A1 (en) * 1991-11-12 1993-05-13 Heinrich Liebig ADHESIVE ANCHOR

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2347904A (en) * 1941-07-26 1944-05-02 Gerald G Greulich Method of cold-working metallic bars
US2911865A (en) * 1957-01-17 1959-11-10 United States Steel Corp Apparatus for making formed wire
US3742747A (en) * 1971-11-30 1973-07-03 Nippon Concrete Ind Co Ltd Method for shaping indented steel wire and apparatus therefor
CH604951A5 (en) * 1976-08-11 1978-09-15 Belloli Ferriere & Co Concrete reinforcing anchorage rod with threaded ends
US4064729A (en) * 1977-03-02 1977-12-27 Alex Homery Metal forming device
US4303354A (en) * 1979-03-28 1981-12-01 Peabody Coal Company Mine roof bolting
AU523376B3 (en) * 1980-08-22 1982-06-24 Titan Manufacturing Co. Pty. Ltd., The Production of a rolled thread onto a deformed bar
US4649729A (en) * 1985-01-14 1987-03-17 Florida Steel Corporation Method for manufacturing steel bar with intermittent smooth surface and patterned relief segments, and mine roof bolt product

Also Published As

Publication number Publication date
ZA878529B (en) 1989-06-28
EP0351465B1 (en) 1994-01-19
AU604948B2 (en) 1991-01-03
EP0351465A1 (en) 1990-01-24

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