AU516762B2 - Rock bolt - Google Patents
Rock boltInfo
- Publication number
- AU516762B2 AU516762B2 AU52746/79A AU5274679A AU516762B2 AU 516762 B2 AU516762 B2 AU 516762B2 AU 52746/79 A AU52746/79 A AU 52746/79A AU 5274679 A AU5274679 A AU 5274679A AU 516762 B2 AU516762 B2 AU 516762B2
- 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.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D21/0093—Accessories
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU52746/79A AU516762B2 (en) | 1979-07-25 | 1979-07-25 | Rock bolt |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPD9712 | 1979-07-25 | ||
AU52746/79A AU516762B2 (en) | 1979-07-25 | 1979-07-25 | Rock bolt |
Publications (2)
Publication Number | Publication Date |
---|---|
AU5274679A AU5274679A (en) | 1980-03-06 |
AU516762B2 true AU516762B2 (en) | 1981-06-18 |
Family
ID=3738889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU52746/79A Expired AU516762B2 (en) | 1979-07-25 | 1979-07-25 | Rock bolt |
Country Status (1)
Country | Link |
---|---|
AU (1) | AU516762B2 (en) |
-
1979
- 1979-07-25 AU AU52746/79A patent/AU516762B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU5274679A (en) | 1980-03-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |