JPS6315421Y2 - - Google Patents

Info

Publication number
JPS6315421Y2
JPS6315421Y2 JP8662582U JP8662582U JPS6315421Y2 JP S6315421 Y2 JPS6315421 Y2 JP S6315421Y2 JP 8662582 U JP8662582 U JP 8662582U JP 8662582 U JP8662582 U JP 8662582U JP S6315421 Y2 JPS6315421 Y2 JP S6315421Y2
Authority
JP
Japan
Prior art keywords
guide post
drive shaft
air
drive device
rock
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
JP8662582U
Other languages
English (en)
Japanese (ja)
Other versions
JPS58189288U (ja
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 JP8662582U priority Critical patent/JPS58189288U/ja
Publication of JPS58189288U publication Critical patent/JPS58189288U/ja
Application granted granted Critical
Publication of JPS6315421Y2 publication Critical patent/JPS6315421Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP8662582U 1982-06-09 1982-06-09 岩盤掘削装置 Granted JPS58189288U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8662582U JPS58189288U (ja) 1982-06-09 1982-06-09 岩盤掘削装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8662582U JPS58189288U (ja) 1982-06-09 1982-06-09 岩盤掘削装置

Publications (2)

Publication Number Publication Date
JPS58189288U JPS58189288U (ja) 1983-12-15
JPS6315421Y2 true JPS6315421Y2 (en, 2012) 1988-04-28

Family

ID=30095412

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8662582U Granted JPS58189288U (ja) 1982-06-09 1982-06-09 岩盤掘削装置

Country Status (1)

Country Link
JP (1) JPS58189288U (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60190885U (ja) * 1984-05-28 1985-12-18 株式会社　利根ボ−リング エアスイベル付緩衝装置

Also Published As

Publication number Publication date
JPS58189288U (ja) 1983-12-15

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