JPS61206799U - - Google Patents
Info
- Publication number
- JPS61206799U JPS61206799U JP9058785U JP9058785U JPS61206799U JP S61206799 U JPS61206799 U JP S61206799U JP 9058785 U JP9058785 U JP 9058785U JP 9058785 U JP9058785 U JP 9058785U JP S61206799 U JPS61206799 U JP S61206799U
- Authority
- JP
- Japan
- Prior art keywords
- rock
- rock bolt
- stopper
- base end
- female screw
- 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.)
- Pending
Links
- 239000000945 filler Substances 0.000 claims description 2
- 239000011435 rock Substances 0.000 claims 4
- 238000009412 basement excavation Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9058785U JPS61206799U (en]) | 1985-06-14 | 1985-06-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9058785U JPS61206799U (en]) | 1985-06-14 | 1985-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61206799U true JPS61206799U (en]) | 1986-12-27 |
Family
ID=30645715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9058785U Pending JPS61206799U (en]) | 1985-06-14 | 1985-06-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61206799U (en]) |
-
1985
- 1985-06-14 JP JP9058785U patent/JPS61206799U/ja active Pending