JPS64197B2 - - Google Patents

Info

Publication number
JPS64197B2
JPS64197B2 JP23203983A JP23203983A JPS64197B2 JP S64197 B2 JPS64197 B2 JP S64197B2 JP 23203983 A JP23203983 A JP 23203983A JP 23203983 A JP23203983 A JP 23203983A JP S64197 B2 JPS64197 B2 JP S64197B2
Authority
JP
Japan
Prior art keywords
blade
drilling
hole wall
cutting
tip
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
JP23203983A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60123271A (ja
Inventor
Masaaki Myanaga
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.)
Myanaga KK
Original Assignee
Myanaga KK
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 Myanaga KK filed Critical Myanaga KK
Priority to JP23203983A priority Critical patent/JPS60123271A/ja
Publication of JPS60123271A publication Critical patent/JPS60123271A/ja
Publication of JPS64197B2 publication Critical patent/JPS64197B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
JP23203983A 1983-12-07 1983-12-07 打撃穿孔方法 Granted JPS60123271A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23203983A JPS60123271A (ja) 1983-12-07 1983-12-07 打撃穿孔方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23203983A JPS60123271A (ja) 1983-12-07 1983-12-07 打撃穿孔方法

Publications (2)

Publication Number Publication Date
JPS60123271A JPS60123271A (ja) 1985-07-01
JPS64197B2 true JPS64197B2 (enExample) 1989-01-05

Family

ID=16933002

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23203983A Granted JPS60123271A (ja) 1983-12-07 1983-12-07 打撃穿孔方法

Country Status (1)

Country Link
JP (1) JPS60123271A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200076449A (ko) * 2018-12-19 2020-06-29 삼성전자주식회사 증강 장치를 제어하는 방법 및 이를 수행하는 전자 장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200076449A (ko) * 2018-12-19 2020-06-29 삼성전자주식회사 증강 장치를 제어하는 방법 및 이를 수행하는 전자 장치

Also Published As

Publication number Publication date
JPS60123271A (ja) 1985-07-01

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