JPS60123271A - 打撃穿孔方法 - Google Patents

打撃穿孔方法

Info

Publication number
JPS60123271A
JPS60123271A JP23203983A JP23203983A JPS60123271A JP S60123271 A JPS60123271 A JP S60123271A JP 23203983 A JP23203983 A JP 23203983A JP 23203983 A JP23203983 A JP 23203983A JP S60123271 A JPS60123271 A JP S60123271A
Authority
JP
Japan
Prior art keywords
blade
drilling
main blade
hole wall
main
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
JP23203983A
Other languages
English (en)
Japanese (ja)
Other versions
JPS64197B2 (enrdf_load_stackoverflow
Inventor
昌明 宮永
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.)
Miyanaga KK
Original Assignee
Miyanaga 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 Miyanaga KK filed Critical Miyanaga 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 true JPS60123271A (ja) 1985-07-01
JPS64197B2 JPS64197B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102716974B1 (ko) * 2018-12-19 2024-10-15 삼성전자 주식회사 증강 장치를 제어하는 방법 및 이를 수행하는 전자 장치

Also Published As

Publication number Publication date
JPS64197B2 (enrdf_load_stackoverflow) 1989-01-05

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