FR75361E - Advanced anchoring device - Google Patents
Advanced anchoring deviceInfo
- Publication number
- FR75361E FR75361E FR789638A FR789638A FR75361E FR 75361 E FR75361 E FR 75361E FR 789638 A FR789638 A FR 789638A FR 789638 A FR789638 A FR 789638A FR 75361 E FR75361 E FR 75361E
- 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 |
---|---|---|---|
FR789638A FR75361E (en) | 1959-03-17 | 1959-03-17 | Advanced anchoring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR789638A FR75361E (en) | 1959-03-17 | 1959-03-17 | Advanced anchoring device |
Publications (1)
Publication Number | Publication Date |
---|---|
FR75361E true FR75361E (en) | 1961-06-09 |
Family
ID=8712595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR789638A Expired FR75361E (en) | 1959-03-17 | 1959-03-17 | Advanced anchoring device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR75361E (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3703119A (en) * | 1970-09-14 | 1972-11-21 | Lester Lerich | Expansion bolt |
-
1959
- 1959-03-17 FR FR789638A patent/FR75361E/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3703119A (en) * | 1970-09-14 | 1972-11-21 | Lester Lerich | Expansion bolt |
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