JPH0320394Y2 - - Google Patents
Info
- Publication number
- JPH0320394Y2 JPH0320394Y2 JP19207186U JP19207186U JPH0320394Y2 JP H0320394 Y2 JPH0320394 Y2 JP H0320394Y2 JP 19207186 U JP19207186 U JP 19207186U JP 19207186 U JP19207186 U JP 19207186U JP H0320394 Y2 JPH0320394 Y2 JP H0320394Y2
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- hole
- concrete
- cone
- wedge
- 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
- 239000004567 concrete Substances 0.000 claims description 39
- 238000000034 method Methods 0.000 description 10
- 210000000078 claw Anatomy 0.000 description 7
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 5
- 239000011295 pitch Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Working Measures On Existing Buildindgs (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19207186U JPH0320394Y2 (enrdf_load_stackoverflow) | 1986-12-12 | 1986-12-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19207186U JPH0320394Y2 (enrdf_load_stackoverflow) | 1986-12-12 | 1986-12-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6395796U JPS6395796U (enrdf_load_stackoverflow) | 1988-06-21 |
JPH0320394Y2 true JPH0320394Y2 (enrdf_load_stackoverflow) | 1991-05-01 |
Family
ID=31146807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19207186U Expired JPH0320394Y2 (enrdf_load_stackoverflow) | 1986-12-12 | 1986-12-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0320394Y2 (enrdf_load_stackoverflow) |
-
1986
- 1986-12-12 JP JP19207186U patent/JPH0320394Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6395796U (enrdf_load_stackoverflow) | 1988-06-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6474701B1 (en) | Tubing connector | |
US2753750A (en) | Expandible mine roof bolt having continuous wedging engagement | |
JPS63501816A (ja) | 地中パイプラインを復元する方法 | |
JP2020032539A (ja) | ドリルビット及びあと施工アンカーの施工方法 | |
US8869583B2 (en) | Multi-sided tube swaging apparatus and method | |
MX2008010269A (es) | Remache de aplicacion neumatica o hidraulica. | |
JPH0320394Y2 (enrdf_load_stackoverflow) | ||
JPH09158664A (ja) | 液圧式割岩器 | |
US7168143B2 (en) | External tube deforming extraction device | |
JP3840474B2 (ja) | 構造物へのワンサイド施工方法 | |
JP3284026B2 (ja) | ロックボルト落下防止金具 | |
CA2442023C (en) | O-ring seal flat face fitting | |
JP3132747U (ja) | 管の周方向破断分離装置 | |
JP7503871B1 (ja) | コンクリート構造物の解体方法及び割裂具 | |
CN220823678U (zh) | 一种植树挖坑机 | |
JP5993760B2 (ja) | 鋼管杭の連結構造 | |
JPH0251035B2 (enrdf_load_stackoverflow) | ||
CN110227597B (zh) | 多级岩石扩张器及进行破石的方法 | |
CN211660854U (zh) | 一种管道开孔器 | |
CN100430612C (zh) | 单面紧固件及其从工件上拆除的方法 | |
JPH0881995A (ja) | 補修材穿孔機 | |
JPH08218764A (ja) | 亀裂拡幅装置 | |
US4055883A (en) | Method and apparatus for removing collars from compressed gas cylinders | |
JP2020142331A (ja) | 拡張式アンカーの抜去装置及び抜去方法 | |
JPH0316958Y2 (enrdf_load_stackoverflow) |