JPS6241110Y2 - - Google Patents

Info

Publication number
JPS6241110Y2
JPS6241110Y2 JP18173782U JP18173782U JPS6241110Y2 JP S6241110 Y2 JPS6241110 Y2 JP S6241110Y2 JP 18173782 U JP18173782 U JP 18173782U JP 18173782 U JP18173782 U JP 18173782U JP S6241110 Y2 JPS6241110 Y2 JP S6241110Y2
Authority
JP
Japan
Prior art keywords
bit
adapter
annular
hole
annular bit
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
JP18173782U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5989184U (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 JP18173782U priority Critical patent/JPS5989184U/ja
Publication of JPS5989184U publication Critical patent/JPS5989184U/ja
Application granted granted Critical
Publication of JPS6241110Y2 publication Critical patent/JPS6241110Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP18173782U 1982-11-30 1982-11-30 拡口ビツト Granted JPS5989184U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18173782U JPS5989184U (ja) 1982-11-30 1982-11-30 拡口ビツト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18173782U JPS5989184U (ja) 1982-11-30 1982-11-30 拡口ビツト

Publications (2)

Publication Number Publication Date
JPS5989184U JPS5989184U (ja) 1984-06-16
JPS6241110Y2 true JPS6241110Y2 (enrdf_load_stackoverflow) 1987-10-21

Family

ID=30393750

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18173782U Granted JPS5989184U (ja) 1982-11-30 1982-11-30 拡口ビツト

Country Status (1)

Country Link
JP (1) JPS5989184U (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101127003B1 (ko) * 2011-03-18 2012-03-26 (주)세종이엔씨 완충 기능을 갖는 천공장치 및 이를 이용한 앵커 시공방법

Also Published As

Publication number Publication date
JPS5989184U (ja) 1984-06-16

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