JPS6332221Y2 - - Google Patents

Info

Publication number
JPS6332221Y2
JPS6332221Y2 JP16840283U JP16840283U JPS6332221Y2 JP S6332221 Y2 JPS6332221 Y2 JP S6332221Y2 JP 16840283 U JP16840283 U JP 16840283U JP 16840283 U JP16840283 U JP 16840283U JP S6332221 Y2 JPS6332221 Y2 JP S6332221Y2
Authority
JP
Japan
Prior art keywords
bit
casing
tip
drilling
water
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
Application number
JP16840283U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6076191U (ja
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 filed Critical
Priority to JP16840283U priority Critical patent/JPS6076191U/ja
Publication of JPS6076191U publication Critical patent/JPS6076191U/ja
Application granted granted Critical
Publication of JPS6332221Y2 publication Critical patent/JPS6332221Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP16840283U 1983-11-01 1983-11-01 削孔ロッド Granted JPS6076191U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16840283U JPS6076191U (ja) 1983-11-01 1983-11-01 削孔ロッド

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16840283U JPS6076191U (ja) 1983-11-01 1983-11-01 削孔ロッド

Publications (2)

Publication Number Publication Date
JPS6076191U JPS6076191U (ja) 1985-05-28
JPS6332221Y2 true JPS6332221Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-08-29

Family

ID=30368163

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16840283U Granted JPS6076191U (ja) 1983-11-01 1983-11-01 削孔ロッド

Country Status (1)

Country Link
JP (1) JPS6076191U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7661197B2 (ja) * 2021-10-18 2025-04-14 鹿島建設株式会社 地中変位計設置方法

Also Published As

Publication number Publication date
JPS6076191U (ja) 1985-05-28

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