JP2505595Y2 - 地盤削孔ドリルの案内装置 - Google Patents

地盤削孔ドリルの案内装置

Info

Publication number
JP2505595Y2
JP2505595Y2 JP5069890U JP5069890U JP2505595Y2 JP 2505595 Y2 JP2505595 Y2 JP 2505595Y2 JP 5069890 U JP5069890 U JP 5069890U JP 5069890 U JP5069890 U JP 5069890U JP 2505595 Y2 JP2505595 Y2 JP 2505595Y2
Authority
JP
Japan
Prior art keywords
pipe
drill
outer pipe
ground
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 - Lifetime
Application number
JP5069890U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0412589U (enrdf_load_stackoverflow
Inventor
照男 阿部
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.)
Obayashi Corp
Original Assignee
Obayashi Corp
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 Obayashi Corp filed Critical Obayashi Corp
Priority to JP5069890U priority Critical patent/JP2505595Y2/ja
Publication of JPH0412589U publication Critical patent/JPH0412589U/ja
Application granted granted Critical
Publication of JP2505595Y2 publication Critical patent/JP2505595Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP5069890U 1990-05-17 1990-05-17 地盤削孔ドリルの案内装置 Expired - Lifetime JP2505595Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5069890U JP2505595Y2 (ja) 1990-05-17 1990-05-17 地盤削孔ドリルの案内装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5069890U JP2505595Y2 (ja) 1990-05-17 1990-05-17 地盤削孔ドリルの案内装置

Publications (2)

Publication Number Publication Date
JPH0412589U JPH0412589U (enrdf_load_stackoverflow) 1992-01-31
JP2505595Y2 true JP2505595Y2 (ja) 1996-07-31

Family

ID=31569471

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5069890U Expired - Lifetime JP2505595Y2 (ja) 1990-05-17 1990-05-17 地盤削孔ドリルの案内装置

Country Status (1)

Country Link
JP (1) JP2505595Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0412589U (enrdf_load_stackoverflow) 1992-01-31

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