AU1693488A - Rock bolt dowell - Google Patents
Rock bolt dowellInfo
- Publication number
- AU1693488A AU1693488A AU16934/88A AU1693488A AU1693488A AU 1693488 A AU1693488 A AU 1693488A AU 16934/88 A AU16934/88 A AU 16934/88A AU 1693488 A AU1693488 A AU 1693488A AU 1693488 A AU1693488 A AU 1693488A
- Authority
- AU
- Australia
- Prior art keywords
- dowell
- rock bolt
- rock
- bolt
- bolt dowell
- 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
-
- 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
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
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)
- Mutual Connection Of Rods And Tubes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU16934/88A AU604905B2 (en) | 1985-11-20 | 1988-05-30 | Rock bolt dowell |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPH3500 | 1985-11-20 | ||
AU65546/86A AU578850B2 (en) | 1985-11-20 | 1985-11-20 | Rock bolt |
AU16934/88A AU604905B2 (en) | 1985-11-20 | 1988-05-30 | Rock bolt dowell |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU65546/86A Division AU578850B2 (en) | 1985-11-20 | 1985-11-20 | Rock bolt |
Publications (2)
Publication Number | Publication Date |
---|---|
AU1693488A true AU1693488A (en) | 1988-08-25 |
AU604905B2 AU604905B2 (en) | 1991-01-03 |
Family
ID=25616679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU16934/88A Ceased AU604905B2 (en) | 1985-11-20 | 1988-05-30 | Rock bolt dowell |
Country Status (1)
Country | Link |
---|---|
AU (1) | AU604905B2 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2827314A1 (en) * | 1978-06-22 | 1980-01-10 | Bayer Ag | TENSIONABLE EARTH AND ROCK ANCHOR |
AU560858B2 (en) * | 1983-06-24 | 1987-04-16 | Bestobell South Africa (Proprietary) Limited | Yieldable timber roof prop |
-
1988
- 1988-05-30 AU AU16934/88A patent/AU604905B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
AU604905B2 (en) | 1991-01-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |