NO750191L - - Google Patents
Info
- Publication number
- NO750191L NO750191L NO750191A NO750191A NO750191L NO 750191 L NO750191 L NO 750191L NO 750191 A NO750191 A NO 750191A NO 750191 A NO750191 A NO 750191A NO 750191 L NO750191 L NO 750191L
- Authority
- NO
- Norway
- Prior art keywords
- sleeve
- diameter
- safety device
- rod
- hole
- Prior art date
Links
- 230000005484 gravity Effects 0.000 claims description 2
- 210000000078 claw Anatomy 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 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
-
- 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)
- Joining Of Building Structures In Genera (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7400888A SE389891B (sv) | 1974-01-24 | 1974-01-24 | Forsterkningsdon for bergrumsarbeten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO750191L true NO750191L (enExample) | 1975-08-18 |
Family
ID=20319986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO750191A NO750191L (enExample) | 1974-01-24 | 1975-01-22 |
Country Status (3)
| Country | Link |
|---|---|
| FI (1) | FI750173A7 (enExample) |
| NO (1) | NO750191L (enExample) |
| SE (1) | SE389891B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO342057B1 (no) * | 2015-11-25 | 2018-03-19 | Tunnelsupply As | En boltfesteanordning |
-
1974
- 1974-01-24 SE SE7400888A patent/SE389891B/xx unknown
-
1975
- 1975-01-22 NO NO750191A patent/NO750191L/no unknown
- 1975-01-23 FI FI750173A patent/FI750173A7/fi not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO342057B1 (no) * | 2015-11-25 | 2018-03-19 | Tunnelsupply As | En boltfesteanordning |
Also Published As
| Publication number | Publication date |
|---|---|
| FI750173A7 (enExample) | 1975-07-25 |
| SE389891B (sv) | 1976-11-22 |
| SE7400888L (enExample) | 1975-07-25 |
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