ZA201203858B - Rock bolt - Google Patents
Rock boltInfo
- Publication number
- ZA201203858B ZA201203858B ZA2012/03858A ZA201203858A ZA201203858B ZA 201203858 B ZA201203858 B ZA 201203858B ZA 2012/03858 A ZA2012/03858 A ZA 2012/03858A ZA 201203858 A ZA201203858 A ZA 201203858A ZA 201203858 B ZA201203858 B ZA 201203858B
- Authority
- ZA
- South Africa
- Prior art keywords
- rock bolt
- rock
- bolt
- Prior art date
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
- E21D21/0033—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts having a jacket or outer tube
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)
- Piles And Underground Anchors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011076592A DE102011076592A1 (de) | 2011-05-27 | 2011-05-27 | Gesteinsanker |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA201203858B true ZA201203858B (en) | 2013-01-30 |
Family
ID=45977281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA2012/03858A ZA201203858B (en) | 2011-05-27 | 2012-05-25 | Rock bolt |
Country Status (5)
Country | Link |
---|---|
US (1) | US20120301228A1 (de) |
EP (1) | EP2527589A2 (de) |
AU (1) | AU2012202532A1 (de) |
DE (1) | DE102011076592A1 (de) |
ZA (1) | ZA201203858B (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103016037B (zh) * | 2012-12-28 | 2015-01-07 | 山东大学 | 一种新型预紧力显示让压锚杆弹性圆托盘及其使用方法 |
EP3320179A4 (de) * | 2015-07-10 | 2019-03-13 | Epiroc Canada Inc. | Scher- und zugverstärkung für einen aufblasbaren bolzen |
US11536137B2 (en) | 2017-11-28 | 2022-12-27 | Saltus Mining Africa (Pty) Limited | Light weight rockbolt components and a non-metallic rockbolt |
CN117377812A (zh) * | 2021-03-23 | 2024-01-09 | Cmte发展有限公司 | 碳纤维岩石锚杆 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI905862A (fi) * | 1990-11-28 | 1992-05-29 | Tampella Oy Ab | Bergbult. |
DE4209265A1 (de) * | 1991-12-21 | 1993-06-24 | Dyckerhoff & Widmann Ag | Vorrichtung zur verankerung eines stabfoermigen zugglieds aus faserverbundwerkstoff |
DE19503122B4 (de) * | 1995-02-01 | 2004-07-22 | Ibi Anker Gmbh | Injektionsanker |
AU2006317519B2 (en) | 2005-11-24 | 2012-11-29 | Peter Andrew Gray | Self drilling rock bolt |
DE102008014700A1 (de) * | 2008-03-18 | 2009-09-24 | Dywidag-Systems International Gmbh | Korrosionsgeschützter Selbstbohranker sowie Verfahren zu dessen Herstellung |
-
2011
- 2011-05-27 DE DE102011076592A patent/DE102011076592A1/de not_active Withdrawn
-
2012
- 2012-04-18 EP EP12164558A patent/EP2527589A2/de not_active Withdrawn
- 2012-05-01 AU AU2012202532A patent/AU2012202532A1/en not_active Abandoned
- 2012-05-23 US US13/478,782 patent/US20120301228A1/en not_active Abandoned
- 2012-05-25 ZA ZA2012/03858A patent/ZA201203858B/en unknown
Also Published As
Publication number | Publication date |
---|---|
AU2012202532A1 (en) | 2012-12-13 |
DE102011076592A1 (de) | 2012-11-29 |
US20120301228A1 (en) | 2012-11-29 |
EP2527589A2 (de) | 2012-11-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2696084A4 (de) | Erdungsbolzen | |
SG11201504294UA (en) | Rock anchor bolt | |
GB2493266B (en) | Lock | |
EP2799171A4 (de) | Bohrer | |
EP2684630A4 (de) | Bohrer | |
EP2774704A4 (de) | Bohrer | |
EP2678528A4 (de) | Gebirgsanker | |
PT2584140T (pt) | Sistema de selagem de perno de pregagem em rocha | |
PL2749379T3 (pl) | Młotek | |
HK1215726A1 (zh) | 防松螺栓 | |
EP2754518A4 (de) | Bohrer | |
ZA201306178B (en) | Hydraulic fracturing | |
HK1170282A1 (zh) | 螺鑽 | |
EP2698219A4 (de) | Bohrer | |
ZA201202072B (en) | Rock anchor bolt | |
ZA201308656B (en) | Nutless bolt | |
ZA201201037B (en) | Rock bolt | |
EP2795032A4 (de) | Bohren mit vergrösserter reichweite | |
ZA201400485B (en) | Expandable mine bolt | |
ZA201203858B (en) | Rock bolt | |
ZA201209266B (en) | Rock bolt and rock bolt component | |
PL2492523T3 (pl) | Śruba antywibracyjna | |
ZA201301611B (en) | Rock bolt | |
EP2707139A4 (de) | Hammer | |
EP2692953A4 (de) | Schaufel |