JPS63241300A - ル−フボルタ - Google Patents

ル−フボルタ

Info

Publication number
JPS63241300A
JPS63241300A JP7365687A JP7365687A JPS63241300A JP S63241300 A JPS63241300 A JP S63241300A JP 7365687 A JP7365687 A JP 7365687A JP 7365687 A JP7365687 A JP 7365687A JP S63241300 A JPS63241300 A JP S63241300A
Authority
JP
Japan
Prior art keywords
guide shell
drilling
bolt insertion
bolt
axis
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
JP7365687A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0475997B2 (enrdf_load_stackoverflow
Inventor
暁 前田
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.)
Furukawa Mining Co Ltd
Original Assignee
Furukawa Mining 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 Furukawa Mining Co Ltd filed Critical Furukawa Mining Co Ltd
Priority to JP7365687A priority Critical patent/JPS63241300A/ja
Publication of JPS63241300A publication Critical patent/JPS63241300A/ja
Publication of JPH0475997B2 publication Critical patent/JPH0475997B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
JP7365687A 1987-03-27 1987-03-27 ル−フボルタ Granted JPS63241300A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7365687A JPS63241300A (ja) 1987-03-27 1987-03-27 ル−フボルタ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7365687A JPS63241300A (ja) 1987-03-27 1987-03-27 ル−フボルタ

Publications (2)

Publication Number Publication Date
JPS63241300A true JPS63241300A (ja) 1988-10-06
JPH0475997B2 JPH0475997B2 (enrdf_load_stackoverflow) 1992-12-02

Family

ID=13524541

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7365687A Granted JPS63241300A (ja) 1987-03-27 1987-03-27 ル−フボルタ

Country Status (1)

Country Link
JP (1) JPS63241300A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022019247A (ja) * 2020-07-17 2022-01-27 戸田建設株式会社 ロックボルト施工装置
JP2023022360A (ja) * 2021-08-03 2023-02-15 古河ロックドリル株式会社 ロックボルト打設装置およびこれを用いるロックボルトの打設方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022019247A (ja) * 2020-07-17 2022-01-27 戸田建設株式会社 ロックボルト施工装置
JP2023022360A (ja) * 2021-08-03 2023-02-15 古河ロックドリル株式会社 ロックボルト打設装置およびこれを用いるロックボルトの打設方法

Also Published As

Publication number Publication date
JPH0475997B2 (enrdf_load_stackoverflow) 1992-12-02

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