FR1404639A - Device for fixing various protective layers on the walls of galleries or tunnels - Google Patents
Device for fixing various protective layers on the walls of galleries or tunnelsInfo
- Publication number
- FR1404639A FR1404639A FR975534A FR975534A FR1404639A FR 1404639 A FR1404639 A FR 1404639A FR 975534 A FR975534 A FR 975534A FR 975534 A FR975534 A FR 975534A FR 1404639 A FR1404639 A FR 1404639A
- Authority
- FR
- France
- Prior art keywords
- galleries
- tunnels
- walls
- protective layers
- various protective
- 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
- 239000011241 protective layer 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
- E21D21/0086—Bearing plates
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 |
---|---|---|---|
FR975534A FR1404639A (en) | 1964-05-22 | 1964-05-22 | Device for fixing various protective layers on the walls of galleries or tunnels |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR975534A FR1404639A (en) | 1964-05-22 | 1964-05-22 | Device for fixing various protective layers on the walls of galleries or tunnels |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1404639A true FR1404639A (en) | 1965-07-02 |
Family
ID=8830677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR975534A Expired FR1404639A (en) | 1964-05-22 | 1964-05-22 | Device for fixing various protective layers on the walls of galleries or tunnels |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1404639A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2315603A1 (en) * | 1975-06-26 | 1977-01-21 | Celtite Sa | Item mounting on mine roof bolt - comprises plate with hole fitted over widened bolt end and rotated to lock it in place |
EP0845579A1 (en) * | 1996-12-02 | 1998-06-03 | Xaver Jehle | Tunnel lining |
-
1964
- 1964-05-22 FR FR975534A patent/FR1404639A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2315603A1 (en) * | 1975-06-26 | 1977-01-21 | Celtite Sa | Item mounting on mine roof bolt - comprises plate with hole fitted over widened bolt end and rotated to lock it in place |
EP0845579A1 (en) * | 1996-12-02 | 1998-06-03 | Xaver Jehle | Tunnel lining |
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