JPH0512516B2 - - Google Patents

Info

Publication number
JPH0512516B2
JPH0512516B2 JP63199669A JP19966988A JPH0512516B2 JP H0512516 B2 JPH0512516 B2 JP H0512516B2 JP 63199669 A JP63199669 A JP 63199669A JP 19966988 A JP19966988 A JP 19966988A JP H0512516 B2 JPH0512516 B2 JP H0512516B2
Authority
JP
Japan
Prior art keywords
digging
claws
excavation
claw
excavating
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
Application number
JP63199669A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0249888A (ja
Inventor
Kazuo Murazaki
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP19966988A priority Critical patent/JPH0249888A/ja
Publication of JPH0249888A publication Critical patent/JPH0249888A/ja
Publication of JPH0512516B2 publication Critical patent/JPH0512516B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP19966988A 1988-08-10 1988-08-10 回転式掘削ビット Granted JPH0249888A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19966988A JPH0249888A (ja) 1988-08-10 1988-08-10 回転式掘削ビット

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19966988A JPH0249888A (ja) 1988-08-10 1988-08-10 回転式掘削ビット

Publications (2)

Publication Number Publication Date
JPH0249888A JPH0249888A (ja) 1990-02-20
JPH0512516B2 true JPH0512516B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-02-18

Family

ID=16411652

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19966988A Granted JPH0249888A (ja) 1988-08-10 1988-08-10 回転式掘削ビット

Country Status (1)

Country Link
JP (1) JPH0249888A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4863342B2 (ja) * 2004-07-09 2012-01-25 株式会社技研製作所 掘削へッド及び杭圧入機
JP2007000117A (ja) * 2005-06-27 2007-01-11 Yoshiro Nakamatsu ミニ具大寿司
GB2510433A (en) * 2013-02-05 2014-08-06 Attachment Torque Mfg China Co Ltd Curved auger tooth and auger tooth holder

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5733790U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1980-08-05 1982-02-22
JPS6136621U (ja) * 1984-08-10 1986-03-06 木村寝台工業株式会社 仰臥台に於ける床部の昇降用駆動機構
JPS6145273U (ja) * 1984-08-30 1986-03-26 いすゞ自動車株式会社 ハンドブレ−キレバ−
JPS62189293A (ja) * 1987-02-17 1987-08-19 村崎　和雄 ドリルのヘツド用爪

Also Published As

Publication number Publication date
JPH0249888A (ja) 1990-02-20

Similar Documents

Publication Publication Date Title
AU747606B2 (en) Rotatable cutting bit and bit washer therefor
JP3123193B2 (ja) ラウンドピックおよび掘削工具
US6000153A (en) Tooth attachment for earth working equipment
US4611417A (en) Non-rotatable tooth for a cylindrical socket bore
JPH0512516B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP2000080878A (ja) 硬軟地層兼用型掘削用ヘッド
JP3428430B2 (ja) ケーシングカッタおよびケーシングカッタ用ビット
RU2670306C1 (ru) Асимметричный резец для бурильного инструмента
JP3901330B2 (ja) 掘削用のカッタリング及び掘削用のディスクカッタ
JP3332842B2 (ja) 掘削用のカッタリング及び掘削用のディスクカッタ
JP2836740B2 (ja) トンネル掘削機のカッター取付機構およびカッターホルダ
JPH09287375A (ja) 掘削用ビット及び掘削装置
JPS6126470Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP4081871B2 (ja) 高強度壁切削シールド掘進機
JP3482023B2 (ja) カッタ交換可能なシールド掘進機
JP2557509Y2 (ja) ケーシングヘッド用切削装置
JPS635553B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH1088974A (ja) コンクリート管破砕用カッタヘッド
JPH1121945A (ja) 水平多軸回転式掘削機
JP2599846B2 (ja) 掘削工具
JPS6312221Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP4523800B2 (ja) カッタビット
JP3331170B2 (ja) 掘削用のカッタリング及び掘削用のディスクカッタ
KR960008760Y1 (ko) 굴삭 공구
JP2004044244A (ja) 地中掘削機のローラカッタ、螺旋形ローラカッタおよびそれを装着したカッタヘッド

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees