JPS60162190U - 岩盤用穿孔掘削装置 - Google Patents

岩盤用穿孔掘削装置

Info

Publication number
JPS60162190U
JPS60162190U JP4910084U JP4910084U JPS60162190U JP S60162190 U JPS60162190 U JP S60162190U JP 4910084 U JP4910084 U JP 4910084U JP 4910084 U JP4910084 U JP 4910084U JP S60162190 U JPS60162190 U JP S60162190U
Authority
JP
Japan
Prior art keywords
bit
rod
guide rod
rock drilling
drilling equipment
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.)
Granted
Application number
JP4910084U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6343273Y2 (enrdf_load_stackoverflow
Inventor
中垣　俊一
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 JP4910084U priority Critical patent/JPS60162190U/ja
Publication of JPS60162190U publication Critical patent/JPS60162190U/ja
Application granted granted Critical
Publication of JPS6343273Y2 publication Critical patent/JPS6343273Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
JP4910084U 1984-04-05 1984-04-05 岩盤用穿孔掘削装置 Granted JPS60162190U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4910084U JPS60162190U (ja) 1984-04-05 1984-04-05 岩盤用穿孔掘削装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4910084U JPS60162190U (ja) 1984-04-05 1984-04-05 岩盤用穿孔掘削装置

Publications (2)

Publication Number Publication Date
JPS60162190U true JPS60162190U (ja) 1985-10-28
JPS6343273Y2 JPS6343273Y2 (enrdf_load_stackoverflow) 1988-11-11

Family

ID=30565976

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4910084U Granted JPS60162190U (ja) 1984-04-05 1984-04-05 岩盤用穿孔掘削装置

Country Status (1)

Country Link
JP (1) JPS60162190U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6343273Y2 (enrdf_load_stackoverflow) 1988-11-11

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