JPS58115591U - 岩掘削カツタ−装置用カツタ−ビツト - Google Patents

岩掘削カツタ−装置用カツタ−ビツト

Info

Publication number
JPS58115591U
JPS58115591U JP1357682U JP1357682U JPS58115591U JP S58115591 U JPS58115591 U JP S58115591U JP 1357682 U JP1357682 U JP 1357682U JP 1357682 U JP1357682 U JP 1357682U JP S58115591 U JPS58115591 U JP S58115591U
Authority
JP
Japan
Prior art keywords
cutter
cutter bit
holder
bit
rock excavation
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
JP1357682U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6231504Y2 (enrdf_load_stackoverflow
Inventor
空　紀行
中野　員登
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.)
Nippon Tungsten Co Ltd
Original Assignee
Nippon Tungsten 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 Nippon Tungsten Co Ltd filed Critical Nippon Tungsten Co Ltd
Priority to JP1357682U priority Critical patent/JPS58115591U/ja
Publication of JPS58115591U publication Critical patent/JPS58115591U/ja
Application granted granted Critical
Publication of JPS6231504Y2 publication Critical patent/JPS6231504Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP1357682U 1982-02-01 1982-02-01 岩掘削カツタ−装置用カツタ−ビツト Granted JPS58115591U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1357682U JPS58115591U (ja) 1982-02-01 1982-02-01 岩掘削カツタ−装置用カツタ−ビツト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1357682U JPS58115591U (ja) 1982-02-01 1982-02-01 岩掘削カツタ−装置用カツタ−ビツト

Publications (2)

Publication Number Publication Date
JPS58115591U true JPS58115591U (ja) 1983-08-06
JPS6231504Y2 JPS6231504Y2 (enrdf_load_stackoverflow) 1987-08-12

Family

ID=30026088

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1357682U Granted JPS58115591U (ja) 1982-02-01 1982-02-01 岩掘削カツタ−装置用カツタ−ビツト

Country Status (1)

Country Link
JP (1) JPS58115591U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6231504Y2 (enrdf_load_stackoverflow) 1987-08-12

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