FR81375E - Advanced anchoring device - Google Patents
Advanced anchoring deviceInfo
- Publication number
- FR81375E FR81375E FR892544A FR892544A FR81375E FR 81375 E FR81375 E FR 81375E FR 892544 A FR892544 A FR 892544A FR 892544 A FR892544 A FR 892544A FR 81375 E FR81375 E FR 81375E
- Authority
- FR
- France
- Prior art keywords
- anchoring device
- advanced
- advanced anchoring
- anchoring
- 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
- 238000004873 anchoring Methods 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
- E21D21/008—Anchoring or tensioning means
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR892544A FR81375E (en) | 1962-03-28 | 1962-03-28 | Advanced anchoring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR892544A FR81375E (en) | 1962-03-28 | 1962-03-28 | Advanced anchoring device |
Publications (1)
Publication Number | Publication Date |
---|---|
FR81375E true FR81375E (en) | 1963-09-13 |
Family
ID=8775532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR892544A Expired FR81375E (en) | 1962-03-28 | 1962-03-28 | Advanced anchoring device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR81375E (en) |
-
1962
- 1962-03-28 FR FR892544A patent/FR81375E/en not_active Expired
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