JPH0619670Y2 - 油圧クローラドリル - Google Patents

油圧クローラドリル

Info

Publication number
JPH0619670Y2
JPH0619670Y2 JP5932688U JP5932688U JPH0619670Y2 JP H0619670 Y2 JPH0619670 Y2 JP H0619670Y2 JP 5932688 U JP5932688 U JP 5932688U JP 5932688 U JP5932688 U JP 5932688U JP H0619670 Y2 JPH0619670 Y2 JP H0619670Y2
Authority
JP
Japan
Prior art keywords
hydraulic
pipe
tip bit
drifter
drilling
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
JP5932688U
Other languages
English (en)
Japanese (ja)
Other versions
JPH01164388U (enrdf_load_stackoverflow
Inventor
喜弘 金子
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.)
Mitsui Engineering and Shipbuilding Co Ltd
Original Assignee
Mitsui Engineering and Shipbuilding 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 Mitsui Engineering and Shipbuilding Co Ltd filed Critical Mitsui Engineering and Shipbuilding Co Ltd
Priority to JP5932688U priority Critical patent/JPH0619670Y2/ja
Publication of JPH01164388U publication Critical patent/JPH01164388U/ja
Application granted granted Critical
Publication of JPH0619670Y2 publication Critical patent/JPH0619670Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
JP5932688U 1988-05-06 1988-05-06 油圧クローラドリル Expired - Lifetime JPH0619670Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5932688U JPH0619670Y2 (ja) 1988-05-06 1988-05-06 油圧クローラドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5932688U JPH0619670Y2 (ja) 1988-05-06 1988-05-06 油圧クローラドリル

Publications (2)

Publication Number Publication Date
JPH01164388U JPH01164388U (enrdf_load_stackoverflow) 1989-11-16
JPH0619670Y2 true JPH0619670Y2 (ja) 1994-05-25

Family

ID=31285102

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5932688U Expired - Lifetime JPH0619670Y2 (ja) 1988-05-06 1988-05-06 油圧クローラドリル

Country Status (1)

Country Link
JP (1) JPH0619670Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH01164388U (enrdf_load_stackoverflow) 1989-11-16

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