AU2022788A - Rock bolt - Google Patents
Rock boltInfo
- 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
Links
- 239000011435 rock Substances 0.000 title 1
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)
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)
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)
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 |
-
1987
- 1987-11-13 ZA ZA878529A patent/ZA878529B/en unknown
-
1988
- 1988-07-21 EP EP88306706A patent/EP0351465B1/en not_active Expired - Lifetime
- 1988-08-01 AU AU20227/88A patent/AU604948B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0351465A1 (en) | 1990-01-24 |
ZA878529B (en) | 1989-06-28 |
EP0351465B1 (en) | 1994-01-19 |
AU604948B2 (en) | 1991-01-03 |
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