JPH0416949Y2 - - Google Patents

Info

Publication number
JPH0416949Y2
JPH0416949Y2 JP5246087U JP5246087U JPH0416949Y2 JP H0416949 Y2 JPH0416949 Y2 JP H0416949Y2 JP 5246087 U JP5246087 U JP 5246087U JP 5246087 U JP5246087 U JP 5246087U JP H0416949 Y2 JPH0416949 Y2 JP H0416949Y2
Authority
JP
Japan
Prior art keywords
drill
detection sensor
tip
bit
metal detection
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
JP5246087U
Other languages
English (en)
Japanese (ja)
Other versions
JPS63159789U (en]
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 JP5246087U priority Critical patent/JPH0416949Y2/ja
Publication of JPS63159789U publication Critical patent/JPS63159789U/ja
Application granted granted Critical
Publication of JPH0416949Y2 publication Critical patent/JPH0416949Y2/ja
Expired legal-status Critical Current

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Landscapes

  • Earth Drilling (AREA)
JP5246087U 1987-04-06 1987-04-06 Expired JPH0416949Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5246087U JPH0416949Y2 (en]) 1987-04-06 1987-04-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5246087U JPH0416949Y2 (en]) 1987-04-06 1987-04-06

Publications (2)

Publication Number Publication Date
JPS63159789U JPS63159789U (en]) 1988-10-19
JPH0416949Y2 true JPH0416949Y2 (en]) 1992-04-15

Family

ID=30877646

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5246087U Expired JPH0416949Y2 (en]) 1987-04-06 1987-04-06

Country Status (1)

Country Link
JP (1) JPH0416949Y2 (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2533955B2 (ja) * 1990-02-16 1996-09-11 日本電信電話株式会社 路面切断用カッタ―装置
JP4717690B2 (ja) * 2006-04-13 2011-07-06 東京瓦斯株式会社 金属埋設物の調査用掘削装置及び調査用掘削工法
JP2010222937A (ja) * 2009-03-25 2010-10-07 Chikami Miltec Inc 打設装置及び打設方法、並びに、探査装置及び探査方法
JP2013506859A (ja) * 2009-10-06 2013-02-28 ルイジアナ テック ユニヴァーシティ リサーチ ファンデーション 埋設物を探知するための方法および装置

Also Published As

Publication number Publication date
JPS63159789U (en]) 1988-10-19

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