JPH0721678Y2 - 直径可変のスタビライザ - Google Patents

直径可変のスタビライザ

Info

Publication number
JPH0721678Y2
JPH0721678Y2 JP3330189U JP3330189U JPH0721678Y2 JP H0721678 Y2 JPH0721678 Y2 JP H0721678Y2 JP 3330189 U JP3330189 U JP 3330189U JP 3330189 U JP3330189 U JP 3330189U JP H0721678 Y2 JPH0721678 Y2 JP H0721678Y2
Authority
JP
Japan
Prior art keywords
stabilizer
center frame
expansion
diameter
expansion link
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 - Lifetime
Application number
JP3330189U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02125093U (enExample
Inventor
秀一 網代
昌弘 増田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP3330189U priority Critical patent/JPH0721678Y2/ja
Publication of JPH02125093U publication Critical patent/JPH02125093U/ja
Application granted granted Critical
Publication of JPH0721678Y2 publication Critical patent/JPH0721678Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP3330189U 1989-03-27 1989-03-27 直径可変のスタビライザ Expired - Lifetime JPH0721678Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3330189U JPH0721678Y2 (ja) 1989-03-27 1989-03-27 直径可変のスタビライザ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3330189U JPH0721678Y2 (ja) 1989-03-27 1989-03-27 直径可変のスタビライザ

Publications (2)

Publication Number Publication Date
JPH02125093U JPH02125093U (enExample) 1990-10-15
JPH0721678Y2 true JPH0721678Y2 (ja) 1995-05-17

Family

ID=31536864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3330189U Expired - Lifetime JPH0721678Y2 (ja) 1989-03-27 1989-03-27 直径可変のスタビライザ

Country Status (1)

Country Link
JP (1) JPH0721678Y2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009146062A1 (en) * 2008-04-01 2009-12-03 Baker Hughes Incorporated Compound engagement profile on a blade of a down-hole stabilizer and methods therefor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009146062A1 (en) * 2008-04-01 2009-12-03 Baker Hughes Incorporated Compound engagement profile on a blade of a down-hole stabilizer and methods therefor
US8205687B2 (en) 2008-04-01 2012-06-26 Baker Hughes Incorporated Compound engagement profile on a blade of a down-hole stabilizer and methods therefor

Also Published As

Publication number Publication date
JPH02125093U (enExample) 1990-10-15

Similar Documents

Publication Publication Date Title
US4407376A (en) Under-reaming pile bore excavator
JPH0721678Y2 (ja) 直径可変のスタビライザ
KR20100046731A (ko) 현장타설말뚝 천공시 수직도 문제해결을 위한 측면비트장치를 구비한 Ｌｏｎｇ Ｂｉｔ―Ｂｏｄｙ
JPH0961266A (ja) 既製杭の載荷試験方法及びそれに用いる支持具
JP3295807B2 (ja) マンホール用掘削穴の土留め仮設装置
JP3497948B2 (ja) 拡底孔施工用の掘削装置及び拡底孔施工方法
JP2971048B2 (ja) 拡径孔掘削装置
JPH09144055A (ja) 深掘り掘削機
JP4310331B2 (ja) 拡径掘削装置
JPS6042147Y2 (ja) 拡底用回転ビツト装置
JPH0720239Y2 (ja) 掘削機のケリーバの軸心固定具
JPH0724418Y2 (ja) 圧入鋼管の中掘装置
JP7743326B2 (ja) 拡大掘削装置
JPH0527586Y2 (enExample)
JP2007297791A (ja) 既製杭埋設用回転キャップ
JP2000034879A (ja) アースドリルのケリーバ装置
JPH02232419A (ja) 地中に溝を掘るための掘削装置に掘削用ドラムを固定する装置
JPH10140603A (ja) マンホール立坑掘削装置及びマンホール立坑掘削工法
JP4182533B1 (ja) 複数掘削径に変更可能の掘削ヘッド
JPS6129830Y2 (enExample)
JP4141474B2 (ja) 掘削装置
JPS6346546Y2 (enExample)
JPH10131182A (ja) ケーシングチューブのジョイント構造
JP3597227B2 (ja) 掘削装置
JPS589232B2 (ja) 拡孔装置