JP2524336Y2 - 岩石破砕用形状記憶合金のホルダー - Google Patents
岩石破砕用形状記憶合金のホルダーInfo
- Publication number
- JP2524336Y2 JP2524336Y2 JP11796090U JP11796090U JP2524336Y2 JP 2524336 Y2 JP2524336 Y2 JP 2524336Y2 JP 11796090 U JP11796090 U JP 11796090U JP 11796090 U JP11796090 U JP 11796090U JP 2524336 Y2 JP2524336 Y2 JP 2524336Y2
- Authority
- JP
- Japan
- Prior art keywords
- shape memory
- memory alloy
- rock
- slider
- window hole
- 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 - Fee Related
Links
- 229910001285 shape-memory alloy Inorganic materials 0.000 title claims description 31
- 239000011435 rock Substances 0.000 title claims description 28
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11796090U JP2524336Y2 (ja) | 1990-11-09 | 1990-11-09 | 岩石破砕用形状記憶合金のホルダー |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11796090U JP2524336Y2 (ja) | 1990-11-09 | 1990-11-09 | 岩石破砕用形状記憶合金のホルダー |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0477692U JPH0477692U (enrdf_load_stackoverflow) | 1992-07-07 |
JP2524336Y2 true JP2524336Y2 (ja) | 1997-01-29 |
Family
ID=31865855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11796090U Expired - Fee Related JP2524336Y2 (ja) | 1990-11-09 | 1990-11-09 | 岩石破砕用形状記憶合金のホルダー |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2524336Y2 (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7436770B1 (ja) | 2023-10-27 | 2024-02-22 | 株式会社神島組 | 割岩工具および当該工具を用いた破砕方法 |
-
1990
- 1990-11-09 JP JP11796090U patent/JP2524336Y2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7436770B1 (ja) | 2023-10-27 | 2024-02-22 | 株式会社神島組 | 割岩工具および当該工具を用いた破砕方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH0477692U (enrdf_load_stackoverflow) | 1992-07-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6302410B1 (en) | Rod gripping jaw | |
AU1663301A (en) | Bit for directional drilling | |
JP2524336Y2 (ja) | 岩石破砕用形状記憶合金のホルダー | |
CN213116174U (zh) | 一种旋挖钻机钻头 | |
CN210100389U (zh) | 一种建筑工程用墙体打孔装置 | |
JP3639900B2 (ja) | 鉄筋等の埋設方法及びそれに使用する穿孔用ビット | |
JP2563452Y2 (ja) | 削岩機の固定装置 | |
JP2004169436A (ja) | 二重管掘削システム | |
JP2563331Y2 (ja) | 岩石破砕用形状記憶合金のホルダー | |
JP2976062B2 (ja) | 発破孔のノッチ形成装置及びノッチ形成方法 | |
JP2543964Y2 (ja) | 削岩機の固定装置 | |
JPH0868289A (ja) | さく孔装置 | |
JP2535559Y2 (ja) | 岩石破砕器 | |
JP2882937B2 (ja) | 穿孔機の防水装置 | |
CN216811546U (zh) | 一种液压破碎锤钎杆 | |
CN2315287Y (zh) | 在砾石层打井的钻机的钻具 | |
JPS62248792A (ja) | 岩盤等にスロツトを形成するための穿孔機のビツト | |
JP2540076Y2 (ja) | 岩石破砕装置 | |
JPH0638951Y2 (ja) | 岩石破砕器 | |
JP2915029B2 (ja) | 連続さく孔方法および連続さく孔装置 | |
CN216553787U (zh) | 一种用于旋挖钻机防倾翻装置 | |
JP6632087B2 (ja) | 孔拡径装置 | |
JP2540078Y2 (ja) | 岩石破砕器 | |
JPH0478798B2 (enrdf_load_stackoverflow) | ||
JP2004092117A (ja) | 割岩機及び割岩工法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |