ZA878529B - Rock bolt - Google Patents

Rock bolt

Info

Publication number
ZA878529B
ZA878529B ZA878529A ZA878529A ZA878529B ZA 878529 B ZA878529 B ZA 878529B ZA 878529 A ZA878529 A ZA 878529A ZA 878529 A ZA878529 A ZA 878529A ZA 878529 B ZA878529 B ZA 878529B
Authority
ZA
South Africa
Prior art keywords
rock bolt
rock
bolt
Prior art date
Application number
ZA878529A
Inventor
Moshe Josef
Josef Moshe
David Wiesenfeld
Wiesenfeld David
Original Assignee
Videx Wire Prod
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 Prod filed Critical Videx Wire Prod
Priority to ZA878529A priority Critical patent/ZA878529B/en
Priority to EP88306706A priority patent/EP0351465B1/en
Priority to AU20227/88A priority patent/AU604948B2/en
Priority to CA000573986A priority patent/CA1317489C/en
Publication of ZA878529B publication Critical patent/ZA878529B/en

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)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
  • Forging (AREA)
ZA878529A 1986-11-14 1987-11-13 Rock bolt ZA878529B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ZA878529A ZA878529B (en) 1986-11-14 1987-11-13 Rock bolt
EP88306706A EP0351465B1 (en) 1986-11-14 1988-07-21 Rock bolt
AU20227/88A AU604948B2 (en) 1986-11-14 1988-08-01 Rock bolt
CA000573986A CA1317489C (en) 1987-09-11 1988-08-05 Rock bolt

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 (1)

Publication Number Publication Date
ZA878529B true ZA878529B (en) 1989-06-28

Family

ID=27137658

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA878529A ZA878529B (en) 1986-11-14 1987-11-13 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
AU2022788A (en) 1990-02-01
AU604948B2 (en) 1991-01-03
EP0351465B1 (en) 1994-01-19
EP0351465A1 (en) 1990-01-24

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