JPH0365480B2 - - Google Patents
Info
- Publication number
- JPH0365480B2 JPH0365480B2 JP2841885A JP2841885A JPH0365480B2 JP H0365480 B2 JPH0365480 B2 JP H0365480B2 JP 2841885 A JP2841885 A JP 2841885A JP 2841885 A JP2841885 A JP 2841885A JP H0365480 B2 JPH0365480 B2 JP H0365480B2
- Authority
- JP
- Japan
- Prior art keywords
- bolt
- inner cylinder
- tip
- cylinder
- conical
- 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
- 210000000078 claw Anatomy 0.000 claims description 13
- 239000011435 rock Substances 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Lock And Its Accessories (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
- Piles And Underground Anchors (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2841885A JPS61191799A (ja) | 1985-02-18 | 1985-02-18 | ロツクボルト |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2841885A JPS61191799A (ja) | 1985-02-18 | 1985-02-18 | ロツクボルト |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61191799A JPS61191799A (ja) | 1986-08-26 |
| JPH0365480B2 true JPH0365480B2 (en]) | 1991-10-11 |
Family
ID=12248103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2841885A Granted JPS61191799A (ja) | 1985-02-18 | 1985-02-18 | ロツクボルト |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61191799A (en]) |
-
1985
- 1985-02-18 JP JP2841885A patent/JPS61191799A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61191799A (ja) | 1986-08-26 |
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