NO752687L - - Google Patents
Info
- Publication number
- NO752687L NO752687L NO752687A NO752687A NO752687L NO 752687 L NO752687 L NO 752687L NO 752687 A NO752687 A NO 752687A NO 752687 A NO752687 A NO 752687A NO 752687 L NO752687 L NO 752687L
- Authority
- NO
- Norway
- Prior art keywords
- wedge
- bolt
- bolt rod
- hole
- ring
- Prior art date
Links
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/14—Drilling by use of heat, e.g. flame drilling
-
- 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
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Dowels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7409831A SE380581B (sv) | 1974-07-30 | 1974-07-30 | Anordning for mojliggorande av omedelbar infestning av en kringgjuten bult i ett borrhal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO752687L true NO752687L (forum.php) | 1976-02-02 |
Family
ID=20321802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO752687A NO752687L (forum.php) | 1974-07-30 | 1975-07-30 |
Country Status (3)
| Country | Link |
|---|---|
| FI (1) | FI752161A7 (forum.php) |
| NO (1) | NO752687L (forum.php) |
| SE (1) | SE380581B (forum.php) |
-
1974
- 1974-07-30 SE SE7409831A patent/SE380581B/xx not_active IP Right Cessation
-
1975
- 1975-07-28 FI FI752161A patent/FI752161A7/fi not_active Application Discontinuation
- 1975-07-30 NO NO752687A patent/NO752687L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE380581B (sv) | 1975-11-10 |
| FI752161A7 (forum.php) | 1976-01-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3730736B1 (en) | Friction bolt | |
| AU2007284067B2 (en) | A tensioning device | |
| NO130728B (forum.php) | ||
| KR100861938B1 (ko) | 연약지반 보강 앵커 및 상기 앵커를 이용한 시공방법 | |
| KR20110128796A (ko) | 기계적 연결을 위한 파손 메커니즘 | |
| US7374370B2 (en) | Rock bolt anchor having concurrent chemical and mechanical anchoring means and method for using the same | |
| NO752687L (forum.php) | ||
| HUT55669A (en) | Mounting unit with guy anchor and erecting tool | |
| US20250264022A1 (en) | Rock bolt | |
| AU2009202450B2 (en) | Method of setting a self-drilling, chemically anchorable fastening element and a self-drilling chemically anchorable fastening element | |
| US6435778B1 (en) | Cable truss system and related method of installation | |
| AU627787B2 (en) | Process for attaching fasteners | |
| CA2491263C (en) | A rock bolt anchor having concurrent chemical and mechanical anchoring means and method for using the same | |
| NO761514L (no) | Fremgangsm}te og innretning for avstivning av kledninger i gruveganger. | |
| KR100763033B1 (ko) | 프리스트레싱 쏘일 네일링 구조 | |
| WO2001057363A1 (de) | Injektionsanker | |
| CN223177562U (zh) | 一种抗岩爆吸能锚杆 | |
| JP2563162B2 (ja) | ア−スアンカ− | |
| AU739333B2 (en) | A rock bolt and method of installing a rock bolt | |
| KR100763032B1 (ko) | 프리스트레싱 쏘일 네일링 구조 | |
| SU1737130A1 (ru) | Анкер | |
| AU2008100948A4 (en) | A tensioning device | |
| SU1073470A1 (ru) | Трубчата анкерна крепь | |
| AU763585B2 (en) | Rock bolt and installing method | |
| AU755393B2 (en) | Rock bolt and installing method |