AU475559B2 - Mine roof bolts - Google Patents
Mine roof boltsInfo
- Publication number
- AU475559B2 AU475559B2 AU72625/74A AU7262574A AU475559B2 AU 475559 B2 AU475559 B2 AU 475559B2 AU 72625/74 A AU72625/74 A AU 72625/74A AU 7262574 A AU7262574 A AU 7262574A AU 475559 B2 AU475559 B2 AU 475559B2
- Authority
- AU
- Australia
- Prior art keywords
- mine roof
- roof bolts
- bolts
- mine
- roof
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU72625/74A AU475559B2 (en) | 1967-02-03 | 1974-08-23 | Mine roof bolts |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU17248/67A AU449960B2 (en) | 1967-02-03 | 1967-02-03 | Mine roof bolts |
AU72625/74A AU475559B2 (en) | 1967-02-03 | 1974-08-23 | Mine roof bolts |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU17248/67A Division AU449960B2 (en) | 1967-02-03 | 1967-02-03 | Mine roof bolts |
Publications (2)
Publication Number | Publication Date |
---|---|
AU475559B2 true AU475559B2 (en) | 1974-11-21 |
AU7262574A AU7262574A (en) | 1974-11-21 |
Family
ID=25616741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU72625/74A Expired AU475559B2 (en) | 1967-02-03 | 1974-08-23 | Mine roof bolts |
Country Status (1)
Country | Link |
---|---|
AU (1) | AU475559B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3039080C2 (en) * | 1980-10-16 | 1985-03-07 | Dyckerhoff & Widmann AG, 8000 München | Removable, multi-part tension member for a grouting anchor |
-
1974
- 1974-08-23 AU AU72625/74A patent/AU475559B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU7262574A (en) | 1974-11-21 |
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